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Kernel
提交 f8b71a3a 编写于 作者: L Linus Torvalds
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: (44 commits)
  sparc: Remove Sparc's asm-offsets for sclow.S
  sparc64: Update defconfig.
  sparc64: Add Niagara2 RNG driver.
  sparc64: Add missing hypervisor service group numbers.
  sparc64: Remove 4MB and 512K base page size options.
  sparc64: Convert to generic helpers for IPI function calls.
  sparc: Use new '%pS' infrastructure to print symbols.
  sparc32: fix init.c allnoconfig build error
  sparc64: Config category "Processor type and features" absent
  sparc: arch/sparc/kernel/apc.c to unlocked_ioctl
  sparc: join the remaining header files
  sparc: merge header files with trivial differences
  sparc: when header files are equal use asm-sparc version
  sparc: copy sparc64 specific files to asm-sparc
  sparc: Merge asm-sparc{,64}/asi.h
  sparc: export openprom.h to userspace
  sparc: Merge asm-sparc{,64}/types.h
  sparc: Merge asm-sparc{,64}/termios.h
  sparc: Merge asm-sparc{,64}/termbits.h
  sparc: Merge asm-sparc{,64}/setup.h
  ...
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arch/sparc/kernel/apc.c
浏览文件 @ f8b71a3a
......@@ -56,7 +56,7 @@ __setup("apc=", apc_setup);
* CPU idle callback function
* See .../arch/sparc/kernel/process.c
*/
void apc_swift_idle(void)
static void apc_swift_idle(void)
{
#ifdef APC_DEBUG_LED
set_auxio(0x00, AUXIO_LED);
......@@ -85,54 +85,70 @@ static int apc_release(struct inode *inode, struct file *f)
return 0;
}
static int apc_ioctl(struct inode *inode, struct file *f,
unsigned int cmd, unsigned long __arg)
static long apc_ioctl(struct file *f, unsigned int cmd, unsigned long __arg)
{
__u8 inarg, __user *arg;
arg = (__u8 __user *) __arg;
lock_kernel();
switch (cmd) {
case APCIOCGFANCTL:
if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg))
return -EFAULT;
if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg)) {
unlock_kernel();
return -EFAULT;
}
break;
case APCIOCGCPWR:
if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg))
if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg)) {
unlock_kernel();
return -EFAULT;
}
break;
case APCIOCGBPORT:
if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg))
if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg)) {
unlock_kernel();
return -EFAULT;
}
break;
case APCIOCSFANCTL:
if (get_user(inarg, arg))
if (get_user(inarg, arg)) {
unlock_kernel();
return -EFAULT;
}
apc_writeb(inarg & APC_REGMASK, APC_FANCTL_REG);
break;
case APCIOCSCPWR:
if (get_user(inarg, arg))
if (get_user(inarg, arg)) {
unlock_kernel();
return -EFAULT;
}
apc_writeb(inarg & APC_REGMASK, APC_CPOWER_REG);
break;
case APCIOCSBPORT:
if (get_user(inarg, arg))
if (get_user(inarg, arg)) {
unlock_kernel();
return -EFAULT;
}
apc_writeb(inarg & APC_BPMASK, APC_BPORT_REG);
break;
default:
unlock_kernel();
return -EINVAL;
};
unlock_kernel();
return 0;
}
static const struct file_operations apc_fops = {
.ioctl = apc_ioctl,
.open = apc_open,
.release = apc_release,
.unlocked_ioctl = apc_ioctl,
.open = apc_open,
.release = apc_release,
};
static struct miscdevice apc_miscdev = { APC_MINOR, APC_DEVNAME, &apc_fops };
......
arch/sparc/kernel/asm-offsets.c
浏览文件 @ f8b71a3a
......@@ -18,18 +18,6 @@ int foo(void)
{
DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread));
BLANK();
/* XXX This is the stuff for sclow.S, kill it. */
DEFINE(AOFF_task_pid, offsetof(struct task_struct, pid));
DEFINE(AOFF_task_uid, offsetof(struct task_struct, uid));
DEFINE(AOFF_task_gid, offsetof(struct task_struct, gid));
DEFINE(AOFF_task_euid, offsetof(struct task_struct, euid));
DEFINE(AOFF_task_egid, offsetof(struct task_struct, egid));
/* DEFINE(THREAD_INFO, offsetof(struct task_struct, stack)); */
DEFINE(ASIZ_task_uid, sizeof(current->uid));
DEFINE(ASIZ_task_gid, sizeof(current->gid));
DEFINE(ASIZ_task_euid, sizeof(current->euid));
DEFINE(ASIZ_task_egid, sizeof(current->egid));
BLANK();
DEFINE(AOFF_thread_fork_kpsr,
offsetof(struct thread_struct, fork_kpsr));
BLANK();
......
arch/sparc/kernel/ebus.c
浏览文件 @ f8b71a3a
......@@ -69,7 +69,7 @@ static inline unsigned long ebus_alloc(size_t size)
/*
*/
int __init ebus_blacklist_irq(const char *name)
static int __init ebus_blacklist_irq(const char *name)
{
struct ebus_device_irq *dp;
......@@ -83,8 +83,8 @@ int __init ebus_blacklist_irq(const char *name)
return 0;
}
void __init fill_ebus_child(struct device_node *dp,
struct linux_ebus_child *dev)
static void __init fill_ebus_child(struct device_node *dp,
struct linux_ebus_child *dev)
{
const int *regs;
const int *irqs;
......@@ -144,7 +144,8 @@ void __init fill_ebus_child(struct device_node *dp,
}
}
void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev)
static void __init fill_ebus_device(struct device_node *dp,
struct linux_ebus_device *dev)
{
const struct linux_prom_registers *regs;
struct linux_ebus_child *child;
......
arch/sparc/kernel/entry.S
浏览文件 @ f8b71a3a
......@@ -19,6 +19,7 @@
#include <asm/vaddrs.h>
#include <asm/memreg.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#ifdef CONFIG_SUN4
#include <asm/pgtsun4.h>
#else
......@@ -1317,7 +1318,6 @@ linux_sparc_syscall:
bne linux_fast_syscall
/* Just do first insn from SAVE_ALL in the delay slot */
.globl syscall_is_too_hard
syscall_is_too_hard:
SAVE_ALL_HEAD
rd %wim, %l3
......@@ -1544,8 +1544,7 @@ kgdb_trap_low:
#endif
.align 4
.globl __handle_exception, flush_patch_exception
__handle_exception:
.globl flush_patch_exception
flush_patch_exception:
FLUSH_ALL_KERNEL_WINDOWS;
ldd [%o0], %o6
......
arch/sparc/kernel/etrap.S
浏览文件 @ f8b71a3a
......@@ -228,7 +228,6 @@ tsetup_mmu_patchme:
*/
#define glob_tmp g1
.globl tsetup_sun4c_stackchk
tsetup_sun4c_stackchk:
/* Done by caller: andcc %sp, 0x7, %g0 */
bne trap_setup_user_stack_is_bolixed
......
arch/sparc/kernel/head.S
浏览文件 @ f8b71a3a
......@@ -32,7 +32,6 @@
*/
.align 4
.globl cputyp
cputyp:
.word 1
......@@ -1280,7 +1279,6 @@ halt_me:
* gets initialized in c-code so all routines can use it.
*/
.globl prom_vector_p
prom_vector_p:
.word 0
......
arch/sparc/kernel/idprom.c
浏览文件 @ f8b71a3a
......@@ -24,7 +24,7 @@ static struct idprom idprom_buffer;
* of the Sparc CPU and have a meaningful IDPROM machtype value that we
* know about. See asm-sparc/machines.h for empirical constants.
*/
struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = {
static struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES] = {
/* First, Sun4's */
{ "Sun 4/100 Series", (SM_SUN4 | SM_4_110) },
{ "Sun 4/200 Series", (SM_SUN4 | SM_4_260) },
......
arch/sparc/kernel/ioport.c
浏览文件 @ f8b71a3a
......@@ -49,13 +49,16 @@
#define mmu_inval_dma_area(p, l) /* Anton pulled it out for 2.4.0-xx */
struct resource *_sparc_find_resource(struct resource *r, unsigned long);
static struct resource *_sparc_find_resource(struct resource *r,
unsigned long);
static void __iomem *_sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz);
static void __iomem *_sparc_alloc_io(unsigned int busno, unsigned long phys,
unsigned long size, char *name);
static void _sparc_free_io(struct resource *res);
static void register_proc_sparc_ioport(void);
/* This points to the next to use virtual memory for DVMA mappings */
static struct resource _sparc_dvma = {
.name = "sparc_dvma", .start = DVMA_VADDR, .end = DVMA_END - 1
......@@ -539,8 +542,6 @@ void __init sbus_setup_arch_props(struct sbus_bus *sbus, struct device_node *dp)
int __init sbus_arch_preinit(void)
{
extern void register_proc_sparc_ioport(void);
register_proc_sparc_ioport();
#ifdef CONFIG_SUN4
......@@ -853,8 +854,8 @@ _sparc_io_get_info(char *buf, char **start, off_t fpos, int length, int *eof,
* XXX Too slow. Can have 8192 DVMA pages on sun4m in the worst case.
* This probably warrants some sort of hashing.
*/
struct resource *
_sparc_find_resource(struct resource *root, unsigned long hit)
static struct resource *_sparc_find_resource(struct resource *root,
unsigned long hit)
{
struct resource *tmp;
......@@ -865,7 +866,7 @@ _sparc_find_resource(struct resource *root, unsigned long hit)
return NULL;
}
void register_proc_sparc_ioport(void)
static void register_proc_sparc_ioport(void)
{
#ifdef CONFIG_PROC_FS
create_proc_read_entry("io_map",0,NULL,_sparc_io_get_info,&sparc_iomap);
......
arch/sparc/kernel/irq.c
浏览文件 @ f8b71a3a
......@@ -154,7 +154,7 @@ void (*sparc_init_timers)(irq_handler_t ) =
struct irqaction static_irqaction[MAX_STATIC_ALLOC];
int static_irq_count;
struct {
static struct {
struct irqaction *action;
int flags;
} sparc_irq[NR_IRQS];
......
arch/sparc/kernel/process.c
浏览文件 @ f8b71a3a
/* linux/arch/sparc/kernel/process.c
*
* Copyright (C) 1995 David S. Miller (davem@davemloft.net)
* Copyright (C) 1995, 2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
*/
......@@ -14,7 +14,6 @@
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/kallsyms.h>
#include <linux/mm.h>
#include <linux/stddef.h>
#include <linux/ptrace.h>
......@@ -177,6 +176,8 @@ void machine_power_off(void)
machine_halt();
}
#if 0
static DEFINE_SPINLOCK(sparc_backtrace_lock);
void __show_backtrace(unsigned long fp)
......@@ -196,7 +197,7 @@ void __show_backtrace(unsigned long fp)
rw->ins[4], rw->ins[5],
rw->ins[6],
rw->ins[7]);
print_symbol("%s\n", rw->ins[7]);
printk("%pS\n", (void *) rw->ins[7]);
rw = (struct reg_window *) rw->ins[6];
}
spin_unlock_irqrestore(&sparc_backtrace_lock, flags);
......@@ -228,7 +229,6 @@ void smp_show_backtrace_all_cpus(void)
}
#endif
#if 0
void show_stackframe(struct sparc_stackf *sf)
{
unsigned long size;
......@@ -264,14 +264,14 @@ void show_regs(struct pt_regs *r)
printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n",
r->psr, r->pc, r->npc, r->y, print_tainted());
print_symbol("PC: <%s>\n", r->pc);
printk("PC: <%pS>\n", (void *) r->pc);
printk("%%G: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
r->u_regs[0], r->u_regs[1], r->u_regs[2], r->u_regs[3],
r->u_regs[4], r->u_regs[5], r->u_regs[6], r->u_regs[7]);
printk("%%O: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
r->u_regs[8], r->u_regs[9], r->u_regs[10], r->u_regs[11],
r->u_regs[12], r->u_regs[13], r->u_regs[14], r->u_regs[15]);
print_symbol("RPC: <%s>\n", r->u_regs[15]);
printk("RPC: <%pS>\n", (void *) r->u_regs[15]);
printk("%%L: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n",
rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3],
......@@ -306,7 +306,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
rw = (struct reg_window *) fp;
pc = rw->ins[7];
printk("[%08lx : ", pc);
print_symbol("%s ] ", pc);
printk("%pS ] ", (void *) pc);
fp = rw->ins[6];
} while (++count < 16);
printk("\n");
......
arch/sparc/kernel/rtrap.S
浏览文件 @ f8b71a3a
......@@ -224,8 +224,6 @@ ret_trap_user_stack_is_bolixed:
b signal_p
ld [%curptr + TI_FLAGS], %g2
.globl sun4c_rett_stackchk
sun4c_rett_stackchk:
be 1f
and %fp, 0xfff, %g1 ! delay slot
......
arch/sparc/kernel/setup.c
浏览文件 @ f8b71a3a
......@@ -67,7 +67,7 @@ struct screen_info screen_info = {
extern unsigned long trapbase;
/* Pretty sick eh? */
void prom_sync_me(void)
static void prom_sync_me(void)
{
unsigned long prom_tbr, flags;
......@@ -97,7 +97,7 @@ void prom_sync_me(void)
return;
}
unsigned int boot_flags __initdata = 0;
static unsigned int boot_flags __initdata = 0;
#define BOOTME_DEBUG 0x1
/* Exported for mm/init.c:paging_init. */
......
arch/sparc/kernel/smp.c
浏览文件 @ f8b71a3a
......@@ -35,13 +35,9 @@
#include "irq.h"
int smp_num_cpus = 1;
volatile unsigned long cpu_callin_map[NR_CPUS] __initdata = {0,};
unsigned char boot_cpu_id = 0;
unsigned char boot_cpu_id4 = 0; /* boot_cpu_id << 2 */
int smp_activated = 0;
volatile int __cpu_number_map[NR_CPUS];
volatile int __cpu_logical_map[NR_CPUS];
cpumask_t cpu_online_map = CPU_MASK_NONE;
cpumask_t phys_cpu_present_map = CPU_MASK_NONE;
......@@ -55,9 +51,6 @@ cpumask_t smp_commenced_mask = CPU_MASK_NONE;
* instruction which is much better...
*/
/* Used to make bitops atomic */
unsigned char bitops_spinlock = 0;
void __cpuinit smp_store_cpu_info(int id)
{
int cpu_node;
......
arch/sparc/kernel/sun4c_irq.c
浏览文件 @ f8b71a3a
......@@ -68,7 +68,8 @@ unsigned char *interrupt_enable = NULL;
static int sun4c_pil_map[] = { 0, 1, 2, 3, 5, 7, 8, 9 };
unsigned int sun4c_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint)
static unsigned int sun4c_sbint_to_irq(struct sbus_dev *sdev,
unsigned int sbint)
{
if (sbint >= sizeof(sun4c_pil_map)) {
printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint);
......
arch/sparc/kernel/sun4d_irq.c
浏览文件 @ f8b71a3a
......@@ -52,13 +52,13 @@ extern struct irqaction static_irqaction[MAX_STATIC_ALLOC];
extern int static_irq_count;
unsigned char cpu_leds[32];
#ifdef CONFIG_SMP
unsigned char sbus_tid[32];
static unsigned char sbus_tid[32];
#endif
static struct irqaction *irq_action[NR_IRQS];
extern spinlock_t irq_action_lock;
struct sbus_action {
static struct sbus_action {
struct irqaction *action;
/* For SMP this needs to be extended */
} *sbus_actions;
......@@ -267,7 +267,8 @@ unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq)
return irq;
}
unsigned int sun4d_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint)
static unsigned int sun4d_sbint_to_irq(struct sbus_dev *sdev,
unsigned int sbint)
{
if (sbint >= sizeof(sbus_to_pil)) {
printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint);
......
arch/sparc/kernel/sun4m_irq.c
浏览文件 @ f8b71a3a
......@@ -154,7 +154,8 @@ static unsigned long irq_mask[] = {
static int sun4m_pil_map[] = { 0, 2, 3, 5, 7, 9, 11, 13 };
unsigned int sun4m_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint)
static unsigned int sun4m_sbint_to_irq(struct sbus_dev *sdev,
unsigned int sbint)
{
if (sbint >= sizeof(sun4m_pil_map)) {
printk(KERN_ERR "%s: bogus SBINT %d\n", sdev->prom_name, sbint);
......@@ -163,7 +164,7 @@ unsigned int sun4m_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint)
return sun4m_pil_map[sbint] | 0x30;
}
inline unsigned long sun4m_get_irqmask(unsigned int irq)
static unsigned long sun4m_get_irqmask(unsigned int irq)
{
unsigned long mask;
......@@ -281,7 +282,7 @@ static void sun4m_set_udt(int cpu)
#define TIMER_IRQ (OBIO_INTR | 10)
#define PROFILE_IRQ (OBIO_INTR | 14)
struct sun4m_timer_regs *sun4m_timers;
static struct sun4m_timer_regs *sun4m_timers;
unsigned int lvl14_resolution = (((1000000/HZ) + 1) << 10);
static void sun4m_clear_clock_irq(void)
......
arch/sparc/kernel/sun4m_smp.c
浏览文件 @ f8b71a3a
......@@ -244,8 +244,9 @@ static struct smp_funcall {
static DEFINE_SPINLOCK(cross_call_lock);
/* Cross calls must be serialized, at least currently. */
void smp4m_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2,
unsigned long arg3, unsigned long arg4, unsigned long arg5)
static void smp4m_cross_call(smpfunc_t func, unsigned long arg1,
unsigned long arg2, unsigned long arg3,
unsigned long arg4, unsigned long arg5)
{
register int ncpus = SUN4M_NCPUS;
unsigned long flags;
......@@ -344,7 +345,7 @@ static void __init smp_setup_percpu_timer(void)
enable_pil_irq(14);
}
void __init smp4m_blackbox_id(unsigned *addr)
static void __init smp4m_blackbox_id(unsigned *addr)
{
int rd = *addr & 0x3e000000;
int rs1 = rd >> 11;
......@@ -354,7 +355,7 @@ void __init smp4m_blackbox_id(unsigned *addr)
addr[2] = 0x80082003 | rd | rs1; /* and reg, 3, reg */
}
void __init smp4m_blackbox_current(unsigned *addr)
static void __init smp4m_blackbox_current(unsigned *addr)
{
int rd = *addr & 0x3e000000;
int rs1 = rd >> 11;
......
arch/sparc/kernel/time.c
浏览文件 @ f8b71a3a
......@@ -46,7 +46,7 @@
#include "irq.h"
DEFINE_SPINLOCK(rtc_lock);
enum sparc_clock_type sp_clock_typ;
static enum sparc_clock_type sp_clock_typ;
DEFINE_SPINLOCK(mostek_lock);
void __iomem *mstk48t02_regs = NULL;
static struct mostek48t08 __iomem *mstk48t08_regs = NULL;
......@@ -366,7 +366,7 @@ static int __init clock_init(void)
fs_initcall(clock_init);
#endif /* !CONFIG_SUN4 */
void __init sbus_time_init(void)
static void __init sbus_time_init(void)
{
BTFIXUPSET_CALL(bus_do_settimeofday, sbus_do_settimeofday, BTFIXUPCALL_NORM);
......
arch/sparc/kernel/traps.c
浏览文件 @ f8b71a3a
/*
* arch/sparc/kernel/traps.c
*
* Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright 1995, 2008 David S. Miller (davem@davemloft.net)
* Copyright 2000 Jakub Jelinek (jakub@redhat.com)
*/
......@@ -11,7 +11,6 @@
#include <linux/sched.h> /* for jiffies */
#include <linux/kernel.h>
#include <linux/kallsyms.h>
#include <linux/signal.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
......@@ -33,9 +32,6 @@ struct trap_trace_entry {
unsigned long type;
};
int trap_curbuf = 0;
struct trap_trace_entry trapbuf[1024];
void syscall_trace_entry(struct pt_regs *regs)
{
printk("%s[%d]: ", current->comm, task_pid_nr(current));
......@@ -72,7 +68,7 @@ void sun4d_nmi(struct pt_regs *regs)
prom_halt();
}
void instruction_dump (unsigned long *pc)
static void instruction_dump(unsigned long *pc)
{
int i;
......@@ -119,8 +115,8 @@ void die_if_kernel(char *str, struct pt_regs *regs)
count++ < 30 &&
(((unsigned long) rw) >= PAGE_OFFSET) &&
!(((unsigned long) rw) & 0x7)) {
printk("Caller[%08lx]", rw->ins[7]);
print_symbol(": %s\n", rw->ins[7]);
printk("Caller[%08lx]: %pS\n", rw->ins[7],
(void *) rw->ins[7]);
rw = (struct reg_window *)rw->ins[6];
}
}
......@@ -479,10 +475,6 @@ void do_BUG(const char *file, int line)
extern void sparc_cpu_startup(void);
int linux_smp_still_initting;
unsigned int thiscpus_tbr;
int thiscpus_mid;
void trap_init(void)
{
extern void thread_info_offsets_are_bolixed_pete(void);
......
arch/sparc/kernel/wof.S
浏览文件 @ f8b71a3a
......@@ -306,7 +306,6 @@ spwin_bad_ustack_from_kernel:
* As noted above %curptr cannot be touched by this routine at all.
*/
.globl spwin_sun4c_stackchk
spwin_sun4c_stackchk:
/* LOCATION: Window to be saved on the stack */
......
arch/sparc/kernel/wuf.S
浏览文件 @ f8b71a3a
......@@ -243,7 +243,6 @@ fwin_user_finish_up:
*/
.align 4
.globl sun4c_fwin_stackchk
sun4c_fwin_stackchk:
/* LOCATION: Window 'W' */
......
arch/sparc/mm/fault.c
浏览文件 @ f8b71a3a
......@@ -451,7 +451,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write,
}
/* This always deals with user addresses. */
inline void force_user_fault(unsigned long address, int write)
static void force_user_fault(unsigned long address, int write)
{
struct vm_area_struct *vma;
struct task_struct *tsk = current;
......
arch/sparc/mm/init.c
浏览文件 @ f8b71a3a
......@@ -22,6 +22,7 @@
#include <linux/init.h>
#include <linux/highmem.h>
#include <linux/bootmem.h>
#include <linux/pagemap.h>
#include <asm/system.h>
#include <asm/vac-ops.h>
......@@ -128,7 +129,7 @@ unsigned long calc_highpages(void)
return nr;
}
unsigned long calc_max_low_pfn(void)
static unsigned long calc_max_low_pfn(void)
{
int i;
unsigned long tmp = pfn_base + (SRMMU_MAXMEM >> PAGE_SHIFT);
......@@ -292,7 +293,7 @@ unsigned long __init bootmem_init(unsigned long *pages_avail)
*
* We simply copy the 2.4 implementation for now.
*/
int pgt_cache_water[2] = { 25, 50 };
static int pgt_cache_water[2] = { 25, 50 };
void check_pgt_cache(void)
{
......@@ -356,8 +357,6 @@ void __init paging_init(void)
device_scan();
}
struct cache_palias *sparc_aliases;
static void __init taint_real_pages(void)
{
int i;
......@@ -375,7 +374,7 @@ static void __init taint_real_pages(void)
}
}
void map_high_region(unsigned long start_pfn, unsigned long end_pfn)
static void map_high_region(unsigned long start_pfn, unsigned long end_pfn)
{
unsigned long tmp;
......
arch/sparc/mm/srmmu.c
浏览文件 @ f8b71a3a
......@@ -50,7 +50,7 @@
#include <asm/btfixup.h>
enum mbus_module srmmu_modtype;
unsigned int hwbug_bitmask;
static unsigned int hwbug_bitmask;
int vac_cache_size;
int vac_line_size;
......@@ -60,7 +60,7 @@ extern unsigned long last_valid_pfn;
extern unsigned long page_kernel;
pgd_t *srmmu_swapper_pg_dir;
static pgd_t *srmmu_swapper_pg_dir;
#ifdef CONFIG_SMP
#define FLUSH_BEGIN(mm)
......@@ -83,12 +83,12 @@ BTFIXUPDEF_CALL(void, local_flush_page_for_dma, unsigned long)
char *srmmu_name;
ctxd_t *srmmu_ctx_table_phys;
ctxd_t *srmmu_context_table;
static ctxd_t *srmmu_context_table;
int viking_mxcc_present;
static DEFINE_SPINLOCK(srmmu_context_spinlock);
int is_hypersparc;
static int is_hypersparc;
/*
* In general all page table modifications should use the V8 atomic
......@@ -112,11 +112,11 @@ static inline int srmmu_device_memory(unsigned long x)
return ((x & 0xF0000000) != 0);
}
int srmmu_cache_pagetables;
static int srmmu_cache_pagetables;
/* these will be initialized in srmmu_nocache_calcsize() */
unsigned long srmmu_nocache_size;
unsigned long srmmu_nocache_end;
static unsigned long srmmu_nocache_size;
static unsigned long srmmu_nocache_end;
/* 1 bit <=> 256 bytes of nocache <=> 64 PTEs */
#define SRMMU_NOCACHE_BITMAP_SHIFT (PAGE_SHIFT - 4)
......@@ -324,7 +324,7 @@ static unsigned long __srmmu_get_nocache(int size, int align)
return (SRMMU_NOCACHE_VADDR + (offset << SRMMU_NOCACHE_BITMAP_SHIFT));
}
unsigned inline long srmmu_get_nocache(int size, int align)
static unsigned long srmmu_get_nocache(int size, int align)
{
unsigned long tmp;
......@@ -336,7 +336,7 @@ unsigned inline long srmmu_get_nocache(int size, int align)
return tmp;
}
void srmmu_free_nocache(unsigned long vaddr, int size)
static void srmmu_free_nocache(unsigned long vaddr, int size)
{
int offset;
......@@ -369,7 +369,8 @@ void srmmu_free_nocache(unsigned long vaddr, int size)
bit_map_clear(&srmmu_nocache_map, offset, size);
}
void srmmu_early_allocate_ptable_skeleton(unsigned long start, unsigned long end);
static void srmmu_early_allocate_ptable_skeleton(unsigned long start,
unsigned long end);
extern unsigned long probe_memory(void); /* in fault.c */
......@@ -377,7 +378,7 @@ extern unsigned long probe_memory(void); /* in fault.c */
* Reserve nocache dynamically proportionally to the amount of
* system RAM. -- Tomas Szepe <szepe@pinerecords.com>, June 2002
*/
void srmmu_nocache_calcsize(void)
static void srmmu_nocache_calcsize(void)
{
unsigned long sysmemavail = probe_memory() / 1024;
int srmmu_nocache_npages;
......@@ -398,7 +399,7 @@ void srmmu_nocache_calcsize(void)
srmmu_nocache_end = SRMMU_NOCACHE_VADDR + srmmu_nocache_size;
}
void __init srmmu_nocache_init(void)
static void __init srmmu_nocache_init(void)
{
unsigned int bitmap_bits;
pgd_t *pgd;
......@@ -645,7 +646,7 @@ static void srmmu_unmapiorange(unsigned long virt_addr, unsigned int len)
* mappings on the kernel stack without any special code as we did
* need on the sun4c.
*/
struct thread_info *srmmu_alloc_thread_info(void)
static struct thread_info *srmmu_alloc_thread_info(void)
{
struct thread_info *ret;
......@@ -1045,13 +1046,14 @@ extern void hypersparc_setup_blockops(void);
* around 8mb mapped for us.
*/
void __init early_pgtable_allocfail(char *type)
static void __init early_pgtable_allocfail(char *type)
{
prom_printf("inherit_prom_mappings: Cannot alloc kernel %s.\n", type);
prom_halt();
}
void __init srmmu_early_allocate_ptable_skeleton(unsigned long start, unsigned long end)
static void __init srmmu_early_allocate_ptable_skeleton(unsigned long start,
unsigned long end)
{
pgd_t *pgdp;
pmd_t *pmdp;
......@@ -1081,7 +1083,8 @@ void __init srmmu_early_allocate_ptable_skeleton(unsigned long start, unsigned l
}
}
void __init srmmu_allocate_ptable_skeleton(unsigned long start, unsigned long end)
static void __init srmmu_allocate_ptable_skeleton(unsigned long start,
unsigned long end)
{
pgd_t *pgdp;
pmd_t *pmdp;
......@@ -1116,7 +1119,8 @@ void __init srmmu_allocate_ptable_skeleton(unsigned long start, unsigned long en
* looking at the prom's page table directly which is what most
* other OS's do. Yuck... this is much better.
*/
void __init srmmu_inherit_prom_mappings(unsigned long start,unsigned long end)
static void __init srmmu_inherit_prom_mappings(unsigned long start,
unsigned long end)
{
pgd_t *pgdp;
pmd_t *pmdp;
......
arch/sparc/mm/tsunami.S
浏览文件 @ f8b71a3a
......@@ -93,7 +93,6 @@ tsunami_flush_tlb_page_out:
ldd [src + offset + 0x00], t2; \
std t2, [dst + offset + 0x00];
.globl tsunami_copy_1page
tsunami_copy_1page:
/* NOTE: This routine has to be shorter than 70insns --jj */
or %g0, (PAGE_SIZE >> 8), %g1
......
arch/sparc64/Kconfig
浏览文件 @ f8b71a3a
......@@ -16,6 +16,7 @@ config SPARC64
select HAVE_IDE
select HAVE_LMB
select HAVE_ARCH_KGDB
select USE_GENERIC_SMP_HELPERS if SMP
config GENERIC_TIME
bool
......@@ -81,6 +82,10 @@ config GENERIC_HARDIRQS_NO__DO_IRQ
bool
def_bool y
source "init/Kconfig"
menu "Processor type and features"
choice
prompt "Kernel page size"
default SPARC64_PAGE_SIZE_8KB
......@@ -93,19 +98,11 @@ config SPARC64_PAGE_SIZE_8KB
8KB and 64KB work quite well, since SPARC ELF sections
provide for up to 64KB alignment.
Therefore, 512KB and 4MB are for expert hackers only.
If you don't know what to do, choose 8KB.
config SPARC64_PAGE_SIZE_64KB
bool "64KB"
config SPARC64_PAGE_SIZE_512KB
bool "512KB"
config SPARC64_PAGE_SIZE_4MB
bool "4MB"
endchoice
config SECCOMP
......@@ -136,14 +133,10 @@ config HOTPLUG_CPU
can be controlled through /sys/devices/system/cpu/cpu#.
Say N if you want to disable CPU hotplug.
source "init/Kconfig"
config GENERIC_HARDIRQS
bool
default y
menu "General machine setup"
source "kernel/time/Kconfig"
config SMP
......@@ -225,11 +218,10 @@ config HUGETLB_PAGE_SIZE_4MB
bool "4MB"
config HUGETLB_PAGE_SIZE_512K
depends on !SPARC64_PAGE_SIZE_4MB && !SPARC64_PAGE_SIZE_512KB
bool "512K"
config HUGETLB_PAGE_SIZE_64K
depends on !SPARC64_PAGE_SIZE_4MB && !SPARC64_PAGE_SIZE_512KB && !SPARC64_PAGE_SIZE_64KB
depends on !SPARC64_PAGE_SIZE_64KB
bool "64K"
endchoice
......
arch/sparc64/Makefile
浏览文件 @ f8b71a3a
......@@ -9,7 +9,9 @@
CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -m64
CPPFLAGS_vmlinux.lds += -Usparc
# Undefine sparc when processing vmlinux.lds - it is used
# And teach CPP we are doing 64 bit builds (for this case)
CPPFLAGS_vmlinux.lds += -m64 -Usparc
LDFLAGS := -m elf64_sparc
......
arch/sparc64/defconfig
浏览文件 @ f8b71a3a
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.26-rc2
# Fri May 16 13:36:07 2008
# Linux kernel version: 2.6.26
# Fri Jul 18 00:47:07 2008
#
CONFIG_SPARC=y
CONFIG_SPARC64=y
......@@ -22,18 +22,6 @@ CONFIG_HAVE_SETUP_PER_CPU_AREA=y
CONFIG_ARCH_NO_VIRT_TO_BUS=y
CONFIG_OF=y
CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
CONFIG_SPARC64_PAGE_SIZE_8KB=y
# CONFIG_SPARC64_PAGE_SIZE_64KB is not set
# CONFIG_SPARC64_PAGE_SIZE_512KB is not set
# CONFIG_SPARC64_PAGE_SIZE_4MB is not set
CONFIG_SECCOMP=y
CONFIG_HZ_100=y
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=100
# CONFIG_SCHED_HRTICK is not set
CONFIG_HOTPLUG_CPU=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
......@@ -105,6 +93,7 @@ CONFIG_KRETPROBES=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
# CONFIG_HAVE_DMA_ATTRS is not set
CONFIG_USE_GENERIC_SMP_HELPERS=y
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
......@@ -121,6 +110,7 @@ CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_BLK_DEV_BSG=y
# CONFIG_BLK_DEV_INTEGRITY is not set
CONFIG_BLOCK_COMPAT=y
#
......@@ -136,11 +126,21 @@ CONFIG_DEFAULT_AS=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="anticipatory"
CONFIG_CLASSIC_RCU=y
CONFIG_GENERIC_HARDIRQS=y
#
# General machine setup
# Processor type and features
#
CONFIG_SPARC64_PAGE_SIZE_8KB=y
# CONFIG_SPARC64_PAGE_SIZE_64KB is not set
CONFIG_SECCOMP=y
CONFIG_HZ_100=y
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=100
# CONFIG_SCHED_HRTICK is not set
CONFIG_HOTPLUG_CPU=y
CONFIG_GENERIC_HARDIRQS=y
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
......@@ -342,6 +342,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_STANDALONE=y
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_FW_LOADER=y
CONFIG_FIRMWARE_IN_KERNEL=y
CONFIG_EXTRA_FIRMWARE=""
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
......@@ -366,6 +368,7 @@ CONFIG_CDROM_PKTCDVD_BUFFERS=8
CONFIG_CDROM_PKTCDVD_WCACHE=y
CONFIG_ATA_OVER_ETH=m
CONFIG_SUNVDC=m
# CONFIG_BLK_DEV_HD is not set
CONFIG_MISC_DEVICES=y
# CONFIG_PHANTOM is not set
# CONFIG_EEPROM_93CX6 is not set
......@@ -379,6 +382,7 @@ CONFIG_BLK_DEV_IDE=y
#
# Please see Documentation/ide/ide.txt for help/info on IDE drives
#
CONFIG_IDE_TIMINGS=y
# CONFIG_BLK_DEV_IDE_SATA is not set
CONFIG_BLK_DEV_IDEDISK=y
# CONFIG_IDEDISK_MULTI_MODE is not set
......@@ -429,8 +433,6 @@ CONFIG_BLK_DEV_ALI15X3=y
# CONFIG_BLK_DEV_VIA82CXXX is not set
# CONFIG_BLK_DEV_TC86C001 is not set
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_BLK_DEV_HD_ONLY is not set
# CONFIG_BLK_DEV_HD is not set
#
# SCSI device support
......@@ -504,6 +506,7 @@ CONFIG_SCSI_LOWLEVEL=y
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_SUNESP is not set
# CONFIG_SCSI_SRP is not set
# CONFIG_SCSI_DH is not set
# CONFIG_ATA is not set
CONFIG_MD=y
CONFIG_BLK_DEV_MD=m
......@@ -529,6 +532,10 @@ CONFIG_DM_ZERO=m
#
# IEEE 1394 (FireWire) support
#
#
# Enable only one of the two stacks, unless you know what you are doing
#
# CONFIG_FIREWIRE is not set
# CONFIG_IEEE1394 is not set
# CONFIG_I2O is not set
......@@ -745,7 +752,8 @@ CONFIG_SERIAL_CORE_CONSOLE=y
CONFIG_UNIX98_PTYS=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_IPMI_HANDLER is not set
# CONFIG_HW_RANDOM is not set
CONFIG_HW_RANDOM=m
CONFIG_HW_RANDOM_N2RNG=m
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
# CONFIG_RAW_DRIVER is not set
......@@ -759,38 +767,58 @@ CONFIG_I2C_ALGOBIT=y
#
# I2C Hardware Bus support
#
#
# PC SMBus host controller drivers
#
# CONFIG_I2C_ALI1535 is not set
# CONFIG_I2C_ALI1563 is not set
# CONFIG_I2C_ALI15X3 is not set
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
# CONFIG_I2C_I801 is not set
# CONFIG_I2C_I810 is not set
# CONFIG_I2C_ISCH is not set
# CONFIG_I2C_PIIX4 is not set
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_PROSAVAGE is not set
# CONFIG_I2C_SAVAGE4 is not set
# CONFIG_I2C_SIMTEC is not set
# CONFIG_I2C_SIS5595 is not set
# CONFIG_I2C_SIS630 is not set
# CONFIG_I2C_SIS96X is not set
# CONFIG_I2C_TAOS_EVM is not set
# CONFIG_I2C_STUB is not set
# CONFIG_I2C_TINY_USB is not set
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set
#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_SIMTEC is not set
#
# External I2C/SMBus adapter drivers
#
# CONFIG_I2C_PARPORT_LIGHT is not set
# CONFIG_I2C_TAOS_EVM is not set
# CONFIG_I2C_TINY_USB is not set
#
# Graphics adapter I2C/DDC channel drivers
#
# CONFIG_I2C_VOODOO3 is not set
#
# Other I2C/SMBus bus drivers
#
# CONFIG_I2C_PCA_PLATFORM is not set
# CONFIG_I2C_STUB is not set
#
# Miscellaneous I2C Chip support
#
# CONFIG_DS1682 is not set
# CONFIG_AT24 is not set
# CONFIG_SENSORS_EEPROM is not set
# CONFIG_SENSORS_PCF8574 is not set
# CONFIG_PCF8575 is not set
# CONFIG_SENSORS_PCA9539 is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_SENSORS_MAX6875 is not set
# CONFIG_SENSORS_TSL2550 is not set
......@@ -856,6 +884,7 @@ CONFIG_HWMON=y
# CONFIG_SENSORS_W83627EHF is not set
# CONFIG_HWMON_DEBUG_CHIP is not set
# CONFIG_THERMAL is not set
# CONFIG_THERMAL_HWMON is not set
# CONFIG_WATCHDOG is not set
#
......@@ -985,15 +1014,7 @@ CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_VGA16 is not set
# CONFIG_LOGO_LINUX_CLUT224 is not set
CONFIG_LOGO_SUN_CLUT224=y
#
# Sound
#
CONFIG_SOUND=m
#
# Advanced Linux Sound Architecture
#
CONFIG_SND=m
CONFIG_SND_TIMER=m
CONFIG_SND_PCM=m
......@@ -1010,21 +1031,17 @@ CONFIG_SND_SUPPORT_OLD_API=y
CONFIG_SND_VERBOSE_PROCFS=y
# CONFIG_SND_VERBOSE_PRINTK is not set
# CONFIG_SND_DEBUG is not set
#
# Generic devices
#
CONFIG_SND_VMASTER=y
CONFIG_SND_MPU401_UART=m
CONFIG_SND_AC97_CODEC=m
CONFIG_SND_DRIVERS=y
CONFIG_SND_DUMMY=m
CONFIG_SND_VIRMIDI=m
CONFIG_SND_MTPAV=m
# CONFIG_SND_SERIAL_U16550 is not set
# CONFIG_SND_MPU401 is not set
#
# PCI devices
#
# CONFIG_SND_AC97_POWER_SAVE is not set
CONFIG_SND_PCI=y
# CONFIG_SND_AD1889 is not set
# CONFIG_SND_ALS300 is not set
CONFIG_SND_ALI5451=m
......@@ -1084,37 +1101,14 @@ CONFIG_SND_ALI5451=m
# CONFIG_SND_VIRTUOSO is not set
# CONFIG_SND_VX222 is not set
# CONFIG_SND_YMFPCI is not set
# CONFIG_SND_AC97_POWER_SAVE is not set
#
# USB devices
#
CONFIG_SND_USB=y
# CONFIG_SND_USB_AUDIO is not set
# CONFIG_SND_USB_CAIAQ is not set
#
# ALSA Sparc devices
#
CONFIG_SND_SPARC=y
# CONFIG_SND_SUN_AMD7930 is not set
CONFIG_SND_SUN_CS4231=m
# CONFIG_SND_SUN_DBRI is not set
#
# System on Chip audio support
#
# CONFIG_SND_SOC is not set
#
# ALSA SoC audio for Freescale SOCs
#
#
# SoC Audio for the Texas Instruments OMAP
#
#
# Open Sound System
#
# CONFIG_SOUND_PRIME is not set
CONFIG_AC97_BUS=m
CONFIG_HID_SUPPORT=y
......@@ -1167,6 +1161,7 @@ CONFIG_USB_UHCI_HCD=m
#
# CONFIG_USB_ACM is not set
# CONFIG_USB_PRINTER is not set
# CONFIG_USB_WDM is not set
#
# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
......@@ -1226,6 +1221,7 @@ CONFIG_USB_STORAGE=m
# CONFIG_USB_TRANCEVIBRATOR is not set
# CONFIG_USB_IOWARRIOR is not set
# CONFIG_USB_TEST is not set
# CONFIG_USB_ISIGHTFW is not set
# CONFIG_USB_GADGET is not set
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
......@@ -1420,6 +1416,12 @@ CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_LKDTM is not set
# CONFIG_FAULT_INJECTION is not set
CONFIG_HAVE_FTRACE=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
# CONFIG_FTRACE is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_CONTEXT_SWITCH_TRACER is not set
# CONFIG_SAMPLES is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
......@@ -1486,6 +1488,10 @@ CONFIG_CRYPTO_CRC32C=m
CONFIG_CRYPTO_MD4=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_MICHAEL_MIC=m
# CONFIG_CRYPTO_RMD128 is not set
# CONFIG_CRYPTO_RMD160 is not set
# CONFIG_CRYPTO_RMD256 is not set
# CONFIG_CRYPTO_RMD320 is not set
CONFIG_CRYPTO_SHA1=y
CONFIG_CRYPTO_SHA256=m
CONFIG_CRYPTO_SHA512=m
......@@ -1527,6 +1533,7 @@ CONFIG_BITREVERSE=y
# CONFIG_GENERIC_FIND_FIRST_BIT is not set
CONFIG_CRC_CCITT=m
CONFIG_CRC16=m
# CONFIG_CRC_T10DIF is not set
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# CONFIG_CRC7 is not set
......
arch/sparc64/kernel/central.c
浏览文件 @ f8b71a3a
......@@ -16,8 +16,8 @@
#include <asm/fhc.h>
#include <asm/starfire.h>
struct linux_central *central_bus = NULL;
struct linux_fhc *fhc_list = NULL;
static struct linux_central *central_bus = NULL;
static struct linux_fhc *fhc_list = NULL;
#define IS_CENTRAL_FHC(__fhc) ((__fhc) == central_bus->child)
......@@ -79,9 +79,9 @@ static void adjust_regs(struct linux_prom_registers *regp, int nregs,
}
/* Apply probed fhc ranges to registers passed, if no ranges return. */
void apply_fhc_ranges(struct linux_fhc *fhc,
struct linux_prom_registers *regs,
int nregs)
static void apply_fhc_ranges(struct linux_fhc *fhc,
struct linux_prom_registers *regs,
int nregs)
{
if (fhc->num_fhc_ranges)
adjust_regs(regs, nregs, fhc->fhc_ranges,
......@@ -89,8 +89,8 @@ void apply_fhc_ranges(struct linux_fhc *fhc,
}
/* Apply probed central ranges to registers passed, if no ranges return. */
void apply_central_ranges(struct linux_central *central,
struct linux_prom_registers *regs, int nregs)
static void apply_central_ranges(struct linux_central *central,
struct linux_prom_registers *regs, int nregs)
{
if (central->num_central_ranges)
adjust_regs(regs, nregs, central->central_ranges,
......
arch/sparc64/kernel/ds.c
浏览文件 @ f8b71a3a
......@@ -159,7 +159,7 @@ static void ds_var_data(struct ds_info *dp,
struct ds_cap_state *cp,
void *buf, int len);
struct ds_cap_state ds_states_template[] = {
static struct ds_cap_state ds_states_template[] = {
{
.service_id = "md-update",
.data = md_update_data,
......
arch/sparc64/kernel/hvapi.c
浏览文件 @ f8b71a3a
......@@ -34,8 +34,12 @@ static struct api_info api_table[] = {
{ .group = HV_GRP_LDOM, },
{ .group = HV_GRP_SVC_CHAN, .flags = FLAG_PRE_API },
{ .group = HV_GRP_NCS, .flags = FLAG_PRE_API },
{ .group = HV_GRP_RNG, },
{ .group = HV_GRP_NIAG_PERF, .flags = FLAG_PRE_API },
{ .group = HV_GRP_FIRE_PERF, },
{ .group = HV_GRP_N2_CPU, },
{ .group = HV_GRP_NIU, },
{ .group = HV_GRP_VF_CPU, },
{ .group = HV_GRP_DIAG, .flags = FLAG_PRE_API },
};
......
arch/sparc64/kernel/pci_msi.c
浏览文件 @ f8b71a3a
......@@ -120,9 +120,9 @@ static struct irq_chip msi_irq = {
/* XXX affinity XXX */
};
int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
struct pci_dev *pdev,
struct msi_desc *entry)
static int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
struct pci_dev *pdev,
struct msi_desc *entry)
{
struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
const struct sparc64_msiq_ops *ops = pbm->msi_ops;
......@@ -179,8 +179,8 @@ int sparc64_setup_msi_irq(unsigned int *virt_irq_p,
return err;
}
void sparc64_teardown_msi_irq(unsigned int virt_irq,
struct pci_dev *pdev)
static void sparc64_teardown_msi_irq(unsigned int virt_irq,
struct pci_dev *pdev)
{
struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller;
const struct sparc64_msiq_ops *ops = pbm->msi_ops;
......
arch/sparc64/kernel/pci_sun4v.c
浏览文件 @ f8b71a3a
......@@ -531,7 +531,7 @@ static void dma_4v_sync_sg_for_cpu(struct device *dev,
/* Nothing to do... */
}
const struct dma_ops sun4v_dma_ops = {
static const struct dma_ops sun4v_dma_ops = {
.alloc_coherent = dma_4v_alloc_coherent,
.free_coherent = dma_4v_free_coherent,
.map_single = dma_4v_map_single,
......
arch/sparc64/kernel/process.c
浏览文件 @ f8b71a3a
......@@ -15,7 +15,6 @@
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/kallsyms.h>
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/smp.h>
......@@ -211,7 +210,7 @@ static void show_regwindow(struct pt_regs *regs)
printk("i4: %016lx i5: %016lx i6: %016lx i7: %016lx\n",
rwk->ins[4], rwk->ins[5], rwk->ins[6], rwk->ins[7]);
if (regs->tstate & TSTATE_PRIV)
print_symbol("I7: <%s>\n", rwk->ins[7]);
printk("I7: <%pS>\n", (void *) rwk->ins[7]);
}
#ifdef CONFIG_SMP
......@@ -232,7 +231,7 @@ void __show_regs(struct pt_regs * regs)
#endif
printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate,
regs->tpc, regs->tnpc, regs->y, print_tainted());
print_symbol("TPC: <%s>\n", regs->tpc);
printk("TPC: <%pS>\n", (void *) regs->tpc);
printk("g0: %016lx g1: %016lx g2: %016lx g3: %016lx\n",
regs->u_regs[0], regs->u_regs[1], regs->u_regs[2],
regs->u_regs[3]);
......@@ -245,7 +244,7 @@ void __show_regs(struct pt_regs * regs)
printk("o4: %016lx o5: %016lx sp: %016lx ret_pc: %016lx\n",
regs->u_regs[12], regs->u_regs[13], regs->u_regs[14],
regs->u_regs[15]);
print_symbol("RPC: <%s>\n", regs->u_regs[15]);
printk("RPC: <%pS>\n", (void *) regs->u_regs[15]);
show_regwindow(regs);
#ifdef CONFIG_SMP
spin_unlock(&regdump_lock);
......@@ -346,9 +345,6 @@ static void sysrq_handle_globreg(int key, struct tty_struct *tty)
{
struct thread_info *tp = current_thread_info();
struct pt_regs *regs = get_irq_regs();
#ifdef CONFIG_KALLSYMS
char buffer[KSYM_SYMBOL_LEN];
#endif
unsigned long flags;
int this_cpu, cpu;
......@@ -377,17 +373,13 @@ static void sysrq_handle_globreg(int key, struct tty_struct *tty)
gp->tstate, gp->tpc, gp->tnpc,
((tp && tp->task) ? tp->task->comm : "NULL"),
((tp && tp->task) ? tp->task->pid : -1));
#ifdef CONFIG_KALLSYMS
if (gp->tstate & TSTATE_PRIV) {
sprint_symbol(buffer, gp->tpc);
printk(" TPC[%s] ", buffer);
sprint_symbol(buffer, gp->o7);
printk("O7[%s] ", buffer);
sprint_symbol(buffer, gp->i7);
printk("I7[%s]\n", buffer);
} else
#endif
{
printk(" TPC[%pS] O7[%pS] I7[%pS]\n",
(void *) gp->tpc,
(void *) gp->o7,
(void *) gp->i7);
} else {
printk(" TPC[%lx] O7[%lx] I7[%lx]\n",
gp->tpc, gp->o7, gp->i7);
}
......
arch/sparc64/kernel/smp.c
浏览文件 @ f8b71a3a
......@@ -788,89 +788,36 @@ static void smp_start_sync_tick_client(int cpu)
0, 0, 0, mask);
}
/* Send cross call to all processors except self. */
#define smp_cross_call(func, ctx, data1, data2) \
smp_cross_call_masked(func, ctx, data1, data2, cpu_online_map)
struct call_data_struct {
void (*func) (void *info);
void *info;
atomic_t finished;
int wait;
};
static struct call_data_struct *call_data;
extern unsigned long xcall_call_function;
/**
* smp_call_function(): Run a function on all other CPUs.
* @func: The function to run. This must be fast and non-blocking.
* @info: An arbitrary pointer to pass to the function.
* @wait: If true, wait (atomically) until function has completed on other CPUs.
*
* Returns 0 on success, else a negative status code. Does not return until
* remote CPUs are nearly ready to execute <<func>> or are or have executed.
*
* You must not call this function with disabled interrupts or from a
* hardware interrupt handler or from a bottom half handler.
*/
static int sparc64_smp_call_function_mask(void (*func)(void *info), void *info,
int wait, cpumask_t mask)
void arch_send_call_function_ipi(cpumask_t mask)
{
struct call_data_struct data;
int cpus;
/* Can deadlock when called with interrupts disabled */
WARN_ON(irqs_disabled());
data.func = func;
data.info = info;
atomic_set(&data.finished, 0);
data.wait = wait;
spin_lock(&call_lock);
cpu_clear(smp_processor_id(), mask);
cpus = cpus_weight(mask);
if (!cpus)
goto out_unlock;
call_data = &data;
mb();
smp_cross_call_masked(&xcall_call_function, 0, 0, 0, mask);
}
/* Wait for response */
while (atomic_read(&data.finished) != cpus)
cpu_relax();
extern unsigned long xcall_call_function_single;
out_unlock:
spin_unlock(&call_lock);
void arch_send_call_function_single_ipi(int cpu)
{
cpumask_t mask = cpumask_of_cpu(cpu);
return 0;
smp_cross_call_masked(&xcall_call_function_single, 0, 0, 0, mask);
}
int smp_call_function(void (*func)(void *info), void *info, int wait)
{
return sparc64_smp_call_function_mask(func, info, wait, cpu_online_map);
}
/* Send cross call to all processors except self. */
#define smp_cross_call(func, ctx, data1, data2) \
smp_cross_call_masked(func, ctx, data1, data2, cpu_online_map)
void smp_call_function_client(int irq, struct pt_regs *regs)
{
void (*func) (void *info) = call_data->func;
void *info = call_data->info;
clear_softint(1 << irq);
generic_smp_call_function_interrupt();
}
void smp_call_function_single_client(int irq, struct pt_regs *regs)
{
clear_softint(1 << irq);
if (call_data->wait) {
/* let initiator proceed only after completion */
func(info);
atomic_inc(&call_data->finished);
} else {
/* let initiator proceed after getting data */
atomic_inc(&call_data->finished);
func(info);
}
generic_smp_call_function_single_interrupt();
}
static void tsb_sync(void *info)
......@@ -890,7 +837,7 @@ static void tsb_sync(void *info)
void smp_tsb_sync(struct mm_struct *mm)
{
sparc64_smp_call_function_mask(tsb_sync, mm, 1, mm->cpu_vm_mask);
smp_call_function_mask(mm->cpu_vm_mask, tsb_sync, mm, 1);
}
extern unsigned long xcall_flush_tlb_mm;
......
arch/sparc64/kernel/sparc64_ksyms.c
浏览文件 @ f8b71a3a
......@@ -108,8 +108,6 @@ EXPORT_SYMBOL(__read_unlock);
EXPORT_SYMBOL(__write_lock);
EXPORT_SYMBOL(__write_unlock);
EXPORT_SYMBOL(__write_trylock);
EXPORT_SYMBOL(smp_call_function);
#endif /* CONFIG_SMP */
#ifdef CONFIG_MCOUNT
......
arch/sparc64/kernel/sys_sparc.c
浏览文件 @ f8b71a3a
......@@ -542,7 +542,7 @@ asmlinkage long sparc64_personality(unsigned long personality)
return ret;
}
int sparc64_mmap_check(unsigned long addr, unsigned long len)
int sparc_mmap_check(unsigned long addr, unsigned long len)
{
if (test_thread_flag(TIF_32BIT)) {
if (len >= STACK_TOP32)
......@@ -614,9 +614,9 @@ asmlinkage unsigned long sys64_mremap(unsigned long addr,
goto out;
if (unlikely(new_len >= VA_EXCLUDE_START))
goto out;
if (unlikely(sparc64_mmap_check(addr, old_len)))
if (unlikely(sparc_mmap_check(addr, old_len)))
goto out;
if (unlikely(sparc64_mmap_check(new_addr, new_len)))
if (unlikely(sparc_mmap_check(new_addr, new_len)))
goto out;
down_write(&current->mm->mmap_sem);
......
arch/sparc64/kernel/sys_sparc32.c
浏览文件 @ f8b71a3a
......@@ -359,7 +359,8 @@ int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
return err;
}
int cp_compat_stat64(struct kstat *stat, struct compat_stat64 __user *statbuf)
static int cp_compat_stat64(struct kstat *stat,
struct compat_stat64 __user *statbuf)
{
int err;
......@@ -870,9 +871,9 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr,
unsigned long ret = -EINVAL;
unsigned long new_addr = __new_addr;
if (unlikely(sparc64_mmap_check(addr, old_len)))
if (unlikely(sparc_mmap_check(addr, old_len)))
goto out;
if (unlikely(sparc64_mmap_check(new_addr, new_len)))
if (unlikely(sparc_mmap_check(new_addr, new_len)))
goto out;
down_write(&current->mm->mmap_sem);
ret = do_mremap(addr, old_len, new_len, flags, new_addr);
......
arch/sparc64/kernel/traps.c
浏览文件 @ f8b71a3a
/* arch/sparc64/kernel/traps.c
*
* Copyright (C) 1995,1997 David S. Miller (davem@davemloft.net)
* Copyright (C) 1995,1997,2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1997,1999,2000 Jakub Jelinek (jakub@redhat.com)
*/
......@@ -11,7 +11,6 @@
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/kallsyms.h>
#include <linux/signal.h>
#include <linux/smp.h>
#include <linux/mm.h>
......@@ -74,7 +73,7 @@ static void dump_tl1_traplog(struct tl1_traplog *p)
i + 1,
p->trapstack[i].tstate, p->trapstack[i].tpc,
p->trapstack[i].tnpc, p->trapstack[i].tt);
print_symbol("TRAPLOG: TPC<%s>\n", p->trapstack[i].tpc);
printk("TRAPLOG: TPC<%pS>\n", (void *) p->trapstack[i].tpc);
}
}
......@@ -1081,7 +1080,7 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in
regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate);
printk("%s" "ERROR(%d): ",
(recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id());
print_symbol("TPC<%s>\n", regs->tpc);
printk("TPC<%pS>\n", (void *) regs->tpc);
printk("%s" "ERROR(%d): M_SYND(%lx), E_SYND(%lx)%s%s\n",
(recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
(afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT,
......@@ -1689,7 +1688,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs)
smp_processor_id(),
(type & 0x1) ? 'I' : 'D',
regs->tpc);
print_symbol(KERN_EMERG "TPC<%s>\n", regs->tpc);
printk(KERN_EMERG "TPC<%pS>\n", (void *) regs->tpc);
panic("Irrecoverable Cheetah+ parity error.");
}
......@@ -1697,7 +1696,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs)
smp_processor_id(),
(type & 0x1) ? 'I' : 'D',
regs->tpc);
print_symbol(KERN_WARNING "TPC<%s>\n", regs->tpc);
printk(KERN_WARNING "TPC<%pS>\n", (void *) regs->tpc);
}
struct sun4v_error_entry {
......@@ -1904,9 +1903,10 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl)
printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n",
regs->tpc, tl);
print_symbol(KERN_EMERG "SUN4V-ITLB: TPC<%s>\n", regs->tpc);
printk(KERN_EMERG "SUN4V-ITLB: TPC<%pS>\n", (void *) regs->tpc);
printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
print_symbol(KERN_EMERG "SUN4V-ITLB: O7<%s>\n", regs->u_regs[UREG_I7]);
printk(KERN_EMERG "SUN4V-ITLB: O7<%pS>\n",
(void *) regs->u_regs[UREG_I7]);
printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] "
"pte[%lx] error[%lx]\n",
sun4v_err_itlb_vaddr, sun4v_err_itlb_ctx,
......@@ -1927,9 +1927,10 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl)
printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n",
regs->tpc, tl);
print_symbol(KERN_EMERG "SUN4V-DTLB: TPC<%s>\n", regs->tpc);
printk(KERN_EMERG "SUN4V-DTLB: TPC<%pS>\n", (void *) regs->tpc);
printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]);
print_symbol(KERN_EMERG "SUN4V-DTLB: O7<%s>\n", regs->u_regs[UREG_I7]);
printk(KERN_EMERG "SUN4V-DTLB: O7<%pS>\n",
(void *) regs->u_regs[UREG_I7]);
printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] "
"pte[%lx] error[%lx]\n",
sun4v_err_dtlb_vaddr, sun4v_err_dtlb_ctx,
......@@ -2111,10 +2112,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
fp = ksp + STACK_BIAS;
thread_base = (unsigned long) tp;
printk("Call Trace:");
#ifdef CONFIG_KALLSYMS
printk("\n");
#endif
printk("Call Trace:\n");
do {
struct sparc_stackf *sf;
struct pt_regs *regs;
......@@ -2137,12 +2135,8 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
fp = (unsigned long)sf->fp + STACK_BIAS;
}
printk(" [%016lx] ", pc);
print_symbol("%s\n", pc);
printk(" [%016lx] %pS\n", pc, (void *) pc);
} while (++count < 16);
#ifndef CONFIG_KALLSYMS
printk("\n");
#endif
}
void dump_stack(void)
......@@ -2211,9 +2205,8 @@ void die_if_kernel(char *str, struct pt_regs *regs)
while (rw &&
count++ < 30&&
is_kernel_stack(current, rw)) {
printk("Caller[%016lx]", rw->ins[7]);
print_symbol(": %s", rw->ins[7]);
printk("\n");
printk("Caller[%016lx]: %pS\n", rw->ins[7],
(void *) rw->ins[7]);
rw = kernel_stack_up(rw);
}
......
arch/sparc64/kernel/ttable.S
浏览文件 @ f8b71a3a
......@@ -58,7 +58,12 @@ tl0_irq3: BTRAP(0x43)
tl0_irq4: BTRAP(0x44)
#endif
tl0_irq5: TRAP_IRQ(handler_irq, 5)
tl0_irq6: BTRAP(0x46) BTRAP(0x47) BTRAP(0x48) BTRAP(0x49)
#ifdef CONFIG_SMP
tl0_irq6: TRAP_IRQ(smp_call_function_single_client, 6)
#else
tl0_irq6: BTRAP(0x46)
#endif
tl0_irq7: BTRAP(0x47) BTRAP(0x48) BTRAP(0x49)
tl0_irq10: BTRAP(0x4a) BTRAP(0x4b) BTRAP(0x4c) BTRAP(0x4d)
tl0_irq14: TRAP_IRQ(timer_interrupt, 14)
tl0_irq15: TRAP_IRQ(handler_irq, 15)
......
arch/sparc64/kernel/unaligned.c
浏览文件 @ f8b71a3a
......@@ -2,7 +2,7 @@
* unaligned.c: Unaligned load/store trap handling with special
* cases for the kernel to do them more quickly.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1996,2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
......@@ -20,7 +20,6 @@
#include <asm/uaccess.h>
#include <linux/smp.h>
#include <linux/bitops.h>
#include <linux/kallsyms.h>
#include <asm/fpumacro.h>
/* #define DEBUG_MNA */
......@@ -289,8 +288,8 @@ static void log_unaligned(struct pt_regs *regs)
if (count < 5) {
last_time = jiffies;
count++;
printk("Kernel unaligned access at TPC[%lx] ", regs->tpc);
print_symbol("%s\n", regs->tpc);
printk("Kernel unaligned access at TPC[%lx] %pS\n",
regs->tpc, (void *) regs->tpc);
}
}
......
arch/sparc64/lib/copy_page.S
浏览文件 @ f8b71a3a
......@@ -25,9 +25,9 @@
#define DCACHE_SIZE (PAGE_SIZE * 2)
#if (PAGE_SHIFT == 13) || (PAGE_SHIFT == 19)
#if (PAGE_SHIFT == 13)
#define PAGE_SIZE_REM 0x80
#elif (PAGE_SHIFT == 16) || (PAGE_SHIFT == 22)
#elif (PAGE_SHIFT == 16)
#define PAGE_SIZE_REM 0x100
#else
#error Wrong PAGE_SHIFT specified
......@@ -198,7 +198,7 @@ cheetah_copy_page_insn:
cmp %o2, PAGE_SIZE_REM
bne,pt %xcc, 1b
add %o0, 0x40, %o0
#if (PAGE_SHIFT == 16) || (PAGE_SHIFT == 22)
#if (PAGE_SHIFT == 16)
TOUCH(f0, f2, f4, f6, f8, f10, f12, f14)
ldda [%o1] ASI_BLK_P, %f32
stda %f48, [%o0] %asi
......
arch/sparc64/mm/fault.c
浏览文件 @ f8b71a3a
/*
* arch/sparc64/mm/fault.c: Page fault handlers for the 64-bit Sparc.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz)
*/
......@@ -18,7 +18,6 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kprobes.h>
#include <linux/kallsyms.h>
#include <linux/kdebug.h>
#include <asm/page.h>
......@@ -115,7 +114,7 @@ static void bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
regs->tpc);
printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]);
print_symbol("RPC: <%s>\n", regs->u_regs[15]);
printk("OOPS: RPC <%pS>\n", (void *) regs->u_regs[15]);
printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);
dump_stack();
unhandled_fault(regs->tpc, current, regs);
......
arch/sparc64/mm/tsb.c
浏览文件 @ f8b71a3a
......@@ -96,12 +96,6 @@ void flush_tsb_user(struct mmu_gather *mp)
#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB)
#define HV_PGSZ_IDX_BASE HV_PGSZ_IDX_64K
#define HV_PGSZ_MASK_BASE HV_PGSZ_MASK_64K
#elif defined(CONFIG_SPARC64_PAGE_SIZE_512KB)
#define HV_PGSZ_IDX_BASE HV_PGSZ_IDX_512K
#define HV_PGSZ_MASK_BASE HV_PGSZ_MASK_512K
#elif defined(CONFIG_SPARC64_PAGE_SIZE_4MB)
#define HV_PGSZ_IDX_BASE HV_PGSZ_IDX_4MB
#define HV_PGSZ_MASK_BASE HV_PGSZ_MASK_4MB
#else
#error Broken base page size setting...
#endif
......
arch/sparc64/mm/ultra.S
浏览文件 @ f8b71a3a
......@@ -688,6 +688,11 @@ xcall_call_function:
wr %g0, (1 << PIL_SMP_CALL_FUNC), %set_softint
retry
.globl xcall_call_function_single
xcall_call_function_single:
wr %g0, (1 << PIL_SMP_CALL_FUNC_SNGL), %set_softint
retry
.globl xcall_receive_signal
xcall_receive_signal:
wr %g0, (1 << PIL_SMP_RECEIVE_SIGNAL), %set_softint
......
drivers/char/hw_random/Kconfig
浏览文件 @ f8b71a3a
......@@ -59,6 +59,19 @@ config HW_RANDOM_GEODE
If unsure, say Y.
config HW_RANDOM_N2RNG
tristate "Niagara2 Random Number Generator support"
depends on HW_RANDOM && SPARC64
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Niagara2 cpus.
To compile this driver as a module, choose M here: the
module will be called n2-rng.
If unsure, say Y.
config HW_RANDOM_VIA
tristate "VIA HW Random Number Generator support"
depends on HW_RANDOM && X86_32
......
drivers/char/hw_random/Makefile
浏览文件 @ f8b71a3a
......@@ -7,6 +7,8 @@ rng-core-y := core.o
obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o
obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o
obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o
obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o
n2-rng-y := n2-drv.o n2-asm.o
obj-$(CONFIG_HW_RANDOM_VIA) += via-rng.o
obj-$(CONFIG_HW_RANDOM_IXP4XX) += ixp4xx-rng.o
obj-$(CONFIG_HW_RANDOM_OMAP) += omap-rng.o
......
drivers/char/hw_random/n2-asm.S 0 → 100644
浏览文件 @ f8b71a3a
/* n2-asm.S: Niagara2 RNG hypervisor call assembler.
*
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
*/
#include <linux/linkage.h>
#include <asm/hypervisor.h>
#include "n2rng.h"
.text
ENTRY(sun4v_rng_get_diag_ctl)
mov HV_FAST_RNG_GET_DIAG_CTL, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_rng_get_diag_ctl)
ENTRY(sun4v_rng_ctl_read_v1)
mov %o1, %o3
mov %o2, %o4
mov HV_FAST_RNG_CTL_READ, %o5
ta HV_FAST_TRAP
stx %o1, [%o3]
retl
stx %o2, [%o4]
ENDPROC(sun4v_rng_ctl_read_v1)
ENTRY(sun4v_rng_ctl_read_v2)
save %sp, -192, %sp
mov %i0, %o0
mov %i1, %o1
mov HV_FAST_RNG_CTL_READ, %o5
ta HV_FAST_TRAP
stx %o1, [%i2]
stx %o2, [%i3]
stx %o3, [%i4]
stx %o4, [%i5]
ret
restore %g0, %o0, %o0
ENDPROC(sun4v_rng_ctl_read_v2)
ENTRY(sun4v_rng_ctl_write_v1)
mov %o3, %o4
mov HV_FAST_RNG_CTL_WRITE, %o5
ta HV_FAST_TRAP
retl
stx %o1, [%o4]
ENDPROC(sun4v_rng_ctl_write_v1)
ENTRY(sun4v_rng_ctl_write_v2)
mov HV_FAST_RNG_CTL_WRITE, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_rng_ctl_write_v2)
ENTRY(sun4v_rng_data_read_diag_v1)
mov %o2, %o4
mov HV_FAST_RNG_DATA_READ_DIAG, %o5
ta HV_FAST_TRAP
retl
stx %o1, [%o4]
ENDPROC(sun4v_rng_data_read_diag_v1)
ENTRY(sun4v_rng_data_read_diag_v2)
mov %o3, %o4
mov HV_FAST_RNG_DATA_READ_DIAG, %o5
ta HV_FAST_TRAP
retl
stx %o1, [%o4]
ENDPROC(sun4v_rng_data_read_diag_v2)
ENTRY(sun4v_rng_data_read)
mov %o1, %o4
mov HV_FAST_RNG_DATA_READ, %o5
ta HV_FAST_TRAP
retl
stx %o1, [%o4]
ENDPROC(sun4v_rng_data_read)
drivers/char/hw_random/n2-drv.c 0 → 100644
浏览文件 @ f8b71a3a
/* n2-drv.c: Niagara-2 RNG driver.
*
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/preempt.h>
#include <linux/hw_random.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <asm/hypervisor.h>
#include "n2rng.h"
#define DRV_MODULE_NAME "n2rng"
#define PFX DRV_MODULE_NAME ": "
#define DRV_MODULE_VERSION "0.1"
#define DRV_MODULE_RELDATE "May 15, 2008"
static char version[] __devinitdata =
DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
MODULE_DESCRIPTION("Niagara2 RNG driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
/* The Niagara2 RNG provides a 64-bit read-only random number
* register, plus a control register. Access to the RNG is
* virtualized through the hypervisor so that both guests and control
* nodes can access the device.
*
* The entropy source consists of raw entropy sources, each
* constructed from a voltage controlled oscillator whose phase is
* jittered by thermal noise sources.
*
* The oscillator in each of the three raw entropy sources run at
* different frequencies. Normally, all three generator outputs are
* gathered, xored together, and fed into a CRC circuit, the output of
* which is the 64-bit read-only register.
*
* Some time is necessary for all the necessary entropy to build up
* such that a full 64-bits of entropy are available in the register.
* In normal operating mode (RNG_CTL_LFSR is set), the chip implements
* an interlock which blocks register reads until sufficient entropy
* is available.
*
* A control register is provided for adjusting various aspects of RNG
* operation, and to enable diagnostic modes. Each of the three raw
* entropy sources has an enable bit (RNG_CTL_ES{1,2,3}). Also
* provided are fields for controlling the minimum time in cycles
* between read accesses to the register (RNG_CTL_WAIT, this controls
* the interlock described in the previous paragraph).
*
* The standard setting is to have the mode bit (RNG_CTL_LFSR) set,
* all three entropy sources enabled, and the interlock time set
* appropriately.
*
* The CRC polynomial used by the chip is:
*
* P(X) = x64 + x61 + x57 + x56 + x52 + x51 + x50 + x48 + x47 + x46 +
* x43 + x42 + x41 + x39 + x38 + x37 + x35 + x32 + x28 + x25 +
* x22 + x21 + x17 + x15 + x13 + x12 + x11 + x7 + x5 + x + 1
*
* The RNG_CTL_VCO value of each noise cell must be programmed
* seperately. This is why 4 control register values must be provided
* to the hypervisor. During a write, the hypervisor writes them all,
* one at a time, to the actual RNG_CTL register. The first three
* values are used to setup the desired RNG_CTL_VCO for each entropy
* source, for example:
*
* control 0: (1 << RNG_CTL_VCO_SHIFT) | RNG_CTL_ES1
* control 1: (2 << RNG_CTL_VCO_SHIFT) | RNG_CTL_ES2
* control 2: (3 << RNG_CTL_VCO_SHIFT) | RNG_CTL_ES3
*
* And then the fourth value sets the final chip state and enables
* desired.
*/
static int n2rng_hv_err_trans(unsigned long hv_err)
{
switch (hv_err) {
case HV_EOK:
return 0;
case HV_EWOULDBLOCK:
return -EAGAIN;
case HV_ENOACCESS:
return -EPERM;
case HV_EIO:
return -EIO;
case HV_EBUSY:
return -EBUSY;
case HV_EBADALIGN:
case HV_ENORADDR:
return -EFAULT;
default:
return -EINVAL;
}
}
static unsigned long n2rng_generic_read_control_v2(unsigned long ra,
unsigned long unit)
{
unsigned long hv_err, state, ticks, watchdog_delta, watchdog_status;
int block = 0, busy = 0;
while (1) {
hv_err = sun4v_rng_ctl_read_v2(ra, unit, &state,
&ticks,
&watchdog_delta,
&watchdog_status);
if (hv_err == HV_EOK)
break;
if (hv_err == HV_EBUSY) {
if (++busy >= N2RNG_BUSY_LIMIT)
break;
udelay(1);
} else if (hv_err == HV_EWOULDBLOCK) {
if (++block >= N2RNG_BLOCK_LIMIT)
break;
__delay(ticks);
} else
break;
}
return hv_err;
}
/* In multi-socket situations, the hypervisor might need to
* queue up the RNG control register write if it's for a unit
* that is on a cpu socket other than the one we are executing on.
*
* We poll here waiting for a successful read of that control
* register to make sure the write has been actually performed.
*/
static unsigned long n2rng_control_settle_v2(struct n2rng *np, int unit)
{
unsigned long ra = __pa(&np->scratch_control[0]);
return n2rng_generic_read_control_v2(ra, unit);
}
static unsigned long n2rng_write_ctl_one(struct n2rng *np, int unit,
unsigned long state,
unsigned long control_ra,
unsigned long watchdog_timeout,
unsigned long *ticks)
{
unsigned long hv_err;
if (np->hvapi_major == 1) {
hv_err = sun4v_rng_ctl_write_v1(control_ra, state,
watchdog_timeout, ticks);
} else {
hv_err = sun4v_rng_ctl_write_v2(control_ra, state,
watchdog_timeout, unit);
if (hv_err == HV_EOK)
hv_err = n2rng_control_settle_v2(np, unit);
*ticks = N2RNG_ACCUM_CYCLES_DEFAULT;
}
return hv_err;
}
static int n2rng_generic_read_data(unsigned long data_ra)
{
unsigned long ticks, hv_err;
int block = 0, hcheck = 0;
while (1) {
hv_err = sun4v_rng_data_read(data_ra, &ticks);
if (hv_err == HV_EOK)
return 0;
if (hv_err == HV_EWOULDBLOCK) {
if (++block >= N2RNG_BLOCK_LIMIT)
return -EWOULDBLOCK;
__delay(ticks);
} else if (hv_err == HV_ENOACCESS) {
return -EPERM;
} else if (hv_err == HV_EIO) {
if (++hcheck >= N2RNG_HCHECK_LIMIT)
return -EIO;
udelay(10000);
} else
return -ENODEV;
}
}
static unsigned long n2rng_read_diag_data_one(struct n2rng *np,
unsigned long unit,
unsigned long data_ra,
unsigned long data_len,
unsigned long *ticks)
{
unsigned long hv_err;
if (np->hvapi_major == 1) {
hv_err = sun4v_rng_data_read_diag_v1(data_ra, data_len, ticks);
} else {
hv_err = sun4v_rng_data_read_diag_v2(data_ra, data_len,
unit, ticks);
if (!*ticks)
*ticks = N2RNG_ACCUM_CYCLES_DEFAULT;
}
return hv_err;
}
static int n2rng_generic_read_diag_data(struct n2rng *np,
unsigned long unit,
unsigned long data_ra,
unsigned long data_len)
{
unsigned long ticks, hv_err;
int block = 0;
while (1) {
hv_err = n2rng_read_diag_data_one(np, unit,
data_ra, data_len,
&ticks);
if (hv_err == HV_EOK)
return 0;
if (hv_err == HV_EWOULDBLOCK) {
if (++block >= N2RNG_BLOCK_LIMIT)
return -EWOULDBLOCK;
__delay(ticks);
} else if (hv_err == HV_ENOACCESS) {
return -EPERM;
} else if (hv_err == HV_EIO) {
return -EIO;
} else
return -ENODEV;
}
}
static int n2rng_generic_write_control(struct n2rng *np,
unsigned long control_ra,
unsigned long unit,
unsigned long state)
{
unsigned long hv_err, ticks;
int block = 0, busy = 0;
while (1) {
hv_err = n2rng_write_ctl_one(np, unit, state, control_ra,
np->wd_timeo, &ticks);
if (hv_err == HV_EOK)
return 0;
if (hv_err == HV_EWOULDBLOCK) {
if (++block >= N2RNG_BLOCK_LIMIT)
return -EWOULDBLOCK;
__delay(ticks);
} else if (hv_err == HV_EBUSY) {
if (++busy >= N2RNG_BUSY_LIMIT)
return -EBUSY;
udelay(1);
} else
return -ENODEV;
}
}
/* Just try to see if we can successfully access the control register
* of the RNG on the domain on which we are currently executing.
*/
static int n2rng_try_read_ctl(struct n2rng *np)
{
unsigned long hv_err;
unsigned long x;
if (np->hvapi_major == 1) {
hv_err = sun4v_rng_get_diag_ctl();
} else {
/* We purposefully give invalid arguments, HV_NOACCESS
* is higher priority than the errors we'd get from
* these other cases, and that's the error we are
* truly interested in.
*/
hv_err = sun4v_rng_ctl_read_v2(0UL, ~0UL, &x, &x, &x, &x);
switch (hv_err) {
case HV_EWOULDBLOCK:
case HV_ENOACCESS:
break;
default:
hv_err = HV_EOK;
break;
}
}
return n2rng_hv_err_trans(hv_err);
}
#define CONTROL_DEFAULT_BASE \
((2 << RNG_CTL_ASEL_SHIFT) | \
(N2RNG_ACCUM_CYCLES_DEFAULT << RNG_CTL_WAIT_SHIFT) | \
RNG_CTL_LFSR)
#define CONTROL_DEFAULT_0 \
(CONTROL_DEFAULT_BASE | \
(1 << RNG_CTL_VCO_SHIFT) | \
RNG_CTL_ES1)
#define CONTROL_DEFAULT_1 \
(CONTROL_DEFAULT_BASE | \
(2 << RNG_CTL_VCO_SHIFT) | \
RNG_CTL_ES2)
#define CONTROL_DEFAULT_2 \
(CONTROL_DEFAULT_BASE | \
(3 << RNG_CTL_VCO_SHIFT) | \
RNG_CTL_ES3)
#define CONTROL_DEFAULT_3 \
(CONTROL_DEFAULT_BASE | \
RNG_CTL_ES1 | RNG_CTL_ES2 | RNG_CTL_ES3)
static void n2rng_control_swstate_init(struct n2rng *np)
{
int i;
np->flags |= N2RNG_FLAG_CONTROL;
np->health_check_sec = N2RNG_HEALTH_CHECK_SEC_DEFAULT;
np->accum_cycles = N2RNG_ACCUM_CYCLES_DEFAULT;
np->wd_timeo = N2RNG_WD_TIMEO_DEFAULT;
for (i = 0; i < np->num_units; i++) {
struct n2rng_unit *up = &np->units[i];
up->control[0] = CONTROL_DEFAULT_0;
up->control[1] = CONTROL_DEFAULT_1;
up->control[2] = CONTROL_DEFAULT_2;
up->control[3] = CONTROL_DEFAULT_3;
}
np->hv_state = HV_RNG_STATE_UNCONFIGURED;
}
static int n2rng_grab_diag_control(struct n2rng *np)
{
int i, busy_count, err = -ENODEV;
busy_count = 0;
for (i = 0; i < 100; i++) {
err = n2rng_try_read_ctl(np);
if (err != -EAGAIN)
break;
if (++busy_count > 100) {
dev_err(&np->op->dev,
"Grab diag control timeout.\n");
return -ENODEV;
}
udelay(1);
}
return err;
}
static int n2rng_init_control(struct n2rng *np)
{
int err = n2rng_grab_diag_control(np);
/* Not in the control domain, that's OK we are only a consumer
* of the RNG data, we don't setup and program it.
*/
if (err == -EPERM)
return 0;
if (err)
return err;
n2rng_control_swstate_init(np);
return 0;
}
static int n2rng_data_read(struct hwrng *rng, u32 *data)
{
struct n2rng *np = (struct n2rng *) rng->priv;
unsigned long ra = __pa(&np->test_data);
int len;
if (!(np->flags & N2RNG_FLAG_READY)) {
len = 0;
} else if (np->flags & N2RNG_FLAG_BUFFER_VALID) {
np->flags &= ~N2RNG_FLAG_BUFFER_VALID;
*data = np->buffer;
len = 4;
} else {
int err = n2rng_generic_read_data(ra);
if (!err) {
np->buffer = np->test_data >> 32;
*data = np->test_data & 0xffffffff;
len = 4;
} else {
dev_err(&np->op->dev, "RNG error, restesting\n");
np->flags &= ~N2RNG_FLAG_READY;
if (!(np->flags & N2RNG_FLAG_SHUTDOWN))
schedule_delayed_work(&np->work, 0);
len = 0;
}
}
return len;
}
/* On a guest node, just make sure we can read random data properly.
* If a control node reboots or reloads it's n2rng driver, this won't
* work during that time. So we have to keep probing until the device
* becomes usable.
*/
static int n2rng_guest_check(struct n2rng *np)
{
unsigned long ra = __pa(&np->test_data);
return n2rng_generic_read_data(ra);
}
static int n2rng_entropy_diag_read(struct n2rng *np, unsigned long unit,
u64 *pre_control, u64 pre_state,
u64 *buffer, unsigned long buf_len,
u64 *post_control, u64 post_state)
{
unsigned long post_ctl_ra = __pa(post_control);
unsigned long pre_ctl_ra = __pa(pre_control);
unsigned long buffer_ra = __pa(buffer);
int err;
err = n2rng_generic_write_control(np, pre_ctl_ra, unit, pre_state);
if (err)
return err;
err = n2rng_generic_read_diag_data(np, unit,
buffer_ra, buf_len);
(void) n2rng_generic_write_control(np, post_ctl_ra, unit,
post_state);
return err;
}
static u64 advance_polynomial(u64 poly, u64 val, int count)
{
int i;
for (i = 0; i < count; i++) {
int highbit_set = ((s64)val < 0);
val <<= 1;
if (highbit_set)
val ^= poly;
}
return val;
}
static int n2rng_test_buffer_find(struct n2rng *np, u64 val)
{
int i, count = 0;
/* Purposefully skip over the first word. */
for (i = 1; i < SELFTEST_BUFFER_WORDS; i++) {
if (np->test_buffer[i] == val)
count++;
}
return count;
}
static void n2rng_dump_test_buffer(struct n2rng *np)
{
int i;
for (i = 0; i < SELFTEST_BUFFER_WORDS; i++)
dev_err(&np->op->dev, "Test buffer slot %d [0x%016lx]\n",
i, np->test_buffer[i]);
}
static int n2rng_check_selftest_buffer(struct n2rng *np, unsigned long unit)
{
u64 val = SELFTEST_VAL;
int err, matches, limit;
matches = 0;
for (limit = 0; limit < SELFTEST_LOOPS_MAX; limit++) {
matches += n2rng_test_buffer_find(np, val);
if (matches >= SELFTEST_MATCH_GOAL)
break;
val = advance_polynomial(SELFTEST_POLY, val, 1);
}
err = 0;
if (limit >= SELFTEST_LOOPS_MAX) {
err = -ENODEV;
dev_err(&np->op->dev, "Selftest failed on unit %lu\n", unit);
n2rng_dump_test_buffer(np);
} else
dev_info(&np->op->dev, "Selftest passed on unit %lu\n", unit);
return err;
}
static int n2rng_control_selftest(struct n2rng *np, unsigned long unit)
{
int err;
np->test_control[0] = (0x2 << RNG_CTL_ASEL_SHIFT);
np->test_control[1] = (0x2 << RNG_CTL_ASEL_SHIFT);
np->test_control[2] = (0x2 << RNG_CTL_ASEL_SHIFT);
np->test_control[3] = ((0x2 << RNG_CTL_ASEL_SHIFT) |
RNG_CTL_LFSR |
((SELFTEST_TICKS - 2) << RNG_CTL_WAIT_SHIFT));
err = n2rng_entropy_diag_read(np, unit, np->test_control,
HV_RNG_STATE_HEALTHCHECK,
np->test_buffer,
sizeof(np->test_buffer),
&np->units[unit].control[0],
np->hv_state);
if (err)
return err;
return n2rng_check_selftest_buffer(np, unit);
}
static int n2rng_control_check(struct n2rng *np)
{
int i;
for (i = 0; i < np->num_units; i++) {
int err = n2rng_control_selftest(np, i);
if (err)
return err;
}
return 0;
}
/* The sanity checks passed, install the final configuration into the
* chip, it's ready to use.
*/
static int n2rng_control_configure_units(struct n2rng *np)
{
int unit, err;
err = 0;
for (unit = 0; unit < np->num_units; unit++) {
struct n2rng_unit *up = &np->units[unit];
unsigned long ctl_ra = __pa(&up->control[0]);
int esrc;
u64 base;
base = ((np->accum_cycles << RNG_CTL_WAIT_SHIFT) |
(2 << RNG_CTL_ASEL_SHIFT) |
RNG_CTL_LFSR);
/* XXX This isn't the best. We should fetch a bunch
* XXX of words using each entropy source combined XXX
* with each VCO setting, and see which combinations
* XXX give the best random data.
*/
for (esrc = 0; esrc < 3; esrc++)
up->control[esrc] = base |
(esrc << RNG_CTL_VCO_SHIFT) |
(RNG_CTL_ES1 << esrc);
up->control[3] = base |
(RNG_CTL_ES1 | RNG_CTL_ES2 | RNG_CTL_ES3);
err = n2rng_generic_write_control(np, ctl_ra, unit,
HV_RNG_STATE_CONFIGURED);
if (err)
break;
}
return err;
}
static void n2rng_work(struct work_struct *work)
{
struct n2rng *np = container_of(work, struct n2rng, work.work);
int err = 0;
if (!(np->flags & N2RNG_FLAG_CONTROL)) {
err = n2rng_guest_check(np);
} else {
preempt_disable();
err = n2rng_control_check(np);
preempt_enable();
if (!err)
err = n2rng_control_configure_units(np);
}
if (!err) {
np->flags |= N2RNG_FLAG_READY;
dev_info(&np->op->dev, "RNG ready\n");
}
if (err && !(np->flags & N2RNG_FLAG_SHUTDOWN))
schedule_delayed_work(&np->work, HZ * 2);
}
static void __devinit n2rng_driver_version(void)
{
static int n2rng_version_printed;
if (n2rng_version_printed++ == 0)
pr_info("%s", version);
}
static int __devinit n2rng_probe(struct of_device *op,
const struct of_device_id *match)
{
int victoria_falls = (match->data != NULL);
int err = -ENOMEM;
struct n2rng *np;
n2rng_driver_version();
np = kzalloc(sizeof(*np), GFP_KERNEL);
if (!np)
goto out;
np->op = op;
INIT_DELAYED_WORK(&np->work, n2rng_work);
if (victoria_falls)
np->flags |= N2RNG_FLAG_VF;
err = -ENODEV;
np->hvapi_major = 2;
if (sun4v_hvapi_register(HV_GRP_RNG,
np->hvapi_major,
&np->hvapi_minor)) {
np->hvapi_major = 1;
if (sun4v_hvapi_register(HV_GRP_RNG,
np->hvapi_major,
&np->hvapi_minor)) {
dev_err(&op->dev, "Cannot register suitable "
"HVAPI version.\n");
goto out_free;
}
}
if (np->flags & N2RNG_FLAG_VF) {
if (np->hvapi_major < 2) {
dev_err(&op->dev, "VF RNG requires HVAPI major "
"version 2 or later, got %lu\n",
np->hvapi_major);
goto out_hvapi_unregister;
}
np->num_units = of_getintprop_default(op->node,
"rng-#units", 0);
if (!np->num_units) {
dev_err(&op->dev, "VF RNG lacks rng-#units property\n");
goto out_hvapi_unregister;
}
} else
np->num_units = 1;
dev_info(&op->dev, "Registered RNG HVAPI major %lu minor %lu\n",
np->hvapi_major, np->hvapi_minor);
np->units = kzalloc(sizeof(struct n2rng_unit) * np->num_units,
GFP_KERNEL);
err = -ENOMEM;
if (!np->units)
goto out_hvapi_unregister;
err = n2rng_init_control(np);
if (err)
goto out_free_units;
dev_info(&op->dev, "Found %s RNG, units: %d\n",
((np->flags & N2RNG_FLAG_VF) ?
"Victoria Falls" : "Niagara2"),
np->num_units);
np->hwrng.name = "n2rng";
np->hwrng.data_read = n2rng_data_read;
np->hwrng.priv = (unsigned long) np;
err = hwrng_register(&np->hwrng);
if (err)
goto out_free_units;
dev_set_drvdata(&op->dev, np);
schedule_delayed_work(&np->work, 0);
return 0;
out_free_units:
kfree(np->units);
np->units = NULL;
out_hvapi_unregister:
sun4v_hvapi_unregister(HV_GRP_RNG);
out_free:
kfree(np);
out:
return err;
}
static int __devexit n2rng_remove(struct of_device *op)
{
struct n2rng *np = dev_get_drvdata(&op->dev);
np->flags |= N2RNG_FLAG_SHUTDOWN;
cancel_delayed_work_sync(&np->work);
hwrng_unregister(&np->hwrng);
sun4v_hvapi_unregister(HV_GRP_RNG);
kfree(np->units);
np->units = NULL;
kfree(np);
dev_set_drvdata(&op->dev, NULL);
return 0;
}
static struct of_device_id n2rng_match[] = {
{
.name = "random-number-generator",
.compatible = "SUNW,n2-rng",
},
{
.name = "random-number-generator",
.compatible = "SUNW,vf-rng",
.data = (void *) 1,
},
{},
};
MODULE_DEVICE_TABLE(of, n2rng_match);
static struct of_platform_driver n2rng_driver = {
.name = "n2rng",
.match_table = n2rng_match,
.probe = n2rng_probe,
.remove = __devexit_p(n2rng_remove),
};
static int __init n2rng_init(void)
{
return of_register_driver(&n2rng_driver, &of_bus_type);
}
static void __exit n2rng_exit(void)
{
of_unregister_driver(&n2rng_driver);
}
module_init(n2rng_init);
module_exit(n2rng_exit);
drivers/char/hw_random/n2rng.h 0 → 100644
浏览文件 @ f8b71a3a
/* n2rng.h: Niagara2 RNG defines.
*
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
*/
#ifndef _N2RNG_H
#define _N2RNG_H
#define RNG_CTL_WAIT 0x0000000001fffe00ULL /* Minimum wait time */
#define RNG_CTL_WAIT_SHIFT 9
#define RNG_CTL_BYPASS 0x0000000000000100ULL /* VCO voltage source */
#define RNG_CTL_VCO 0x00000000000000c0ULL /* VCO rate control */
#define RNG_CTL_VCO_SHIFT 6
#define RNG_CTL_ASEL 0x0000000000000030ULL /* Analog MUX select */
#define RNG_CTL_ASEL_SHIFT 4
#define RNG_CTL_LFSR 0x0000000000000008ULL /* Use LFSR or plain shift */
#define RNG_CTL_ES3 0x0000000000000004ULL /* Enable entropy source 3 */
#define RNG_CTL_ES2 0x0000000000000002ULL /* Enable entropy source 2 */
#define RNG_CTL_ES1 0x0000000000000001ULL /* Enable entropy source 1 */
#define HV_FAST_RNG_GET_DIAG_CTL 0x130
#define HV_FAST_RNG_CTL_READ 0x131
#define HV_FAST_RNG_CTL_WRITE 0x132
#define HV_FAST_RNG_DATA_READ_DIAG 0x133
#define HV_FAST_RNG_DATA_READ 0x134
#define HV_RNG_STATE_UNCONFIGURED 0
#define HV_RNG_STATE_CONFIGURED 1
#define HV_RNG_STATE_HEALTHCHECK 2
#define HV_RNG_STATE_ERROR 3
#define HV_RNG_NUM_CONTROL 4
#ifndef __ASSEMBLY__
extern unsigned long sun4v_rng_get_diag_ctl(void);
extern unsigned long sun4v_rng_ctl_read_v1(unsigned long ctl_regs_ra,
unsigned long *state,
unsigned long *tick_delta);
extern unsigned long sun4v_rng_ctl_read_v2(unsigned long ctl_regs_ra,
unsigned long unit,
unsigned long *state,
unsigned long *tick_delta,
unsigned long *watchdog,
unsigned long *write_status);
extern unsigned long sun4v_rng_ctl_write_v1(unsigned long ctl_regs_ra,
unsigned long state,
unsigned long write_timeout,
unsigned long *tick_delta);
extern unsigned long sun4v_rng_ctl_write_v2(unsigned long ctl_regs_ra,
unsigned long state,
unsigned long write_timeout,
unsigned long unit);
extern unsigned long sun4v_rng_data_read_diag_v1(unsigned long data_ra,
unsigned long len,
unsigned long *tick_delta);
extern unsigned long sun4v_rng_data_read_diag_v2(unsigned long data_ra,
unsigned long len,
unsigned long unit,
unsigned long *tick_delta);
extern unsigned long sun4v_rng_data_read(unsigned long data_ra,
unsigned long *tick_delta);
struct n2rng_unit {
u64 control[HV_RNG_NUM_CONTROL];
};
struct n2rng {
struct of_device *op;
unsigned long flags;
#define N2RNG_FLAG_VF 0x00000001 /* Victoria Falls RNG, else N2 */
#define N2RNG_FLAG_CONTROL 0x00000002 /* Operating in control domain */
#define N2RNG_FLAG_READY 0x00000008 /* Ready for hw-rng layer */
#define N2RNG_FLAG_SHUTDOWN 0x00000010 /* Driver unregistering */
#define N2RNG_FLAG_BUFFER_VALID 0x00000020 /* u32 buffer holds valid data */
int num_units;
struct n2rng_unit *units;
struct hwrng hwrng;
u32 buffer;
/* Registered hypervisor group API major and minor version. */
unsigned long hvapi_major;
unsigned long hvapi_minor;
struct delayed_work work;
unsigned long hv_state; /* HV_RNG_STATE_foo */
unsigned long health_check_sec;
unsigned long accum_cycles;
unsigned long wd_timeo;
#define N2RNG_HEALTH_CHECK_SEC_DEFAULT 0
#define N2RNG_ACCUM_CYCLES_DEFAULT 2048
#define N2RNG_WD_TIMEO_DEFAULT 0
u64 scratch_control[HV_RNG_NUM_CONTROL];
#define SELFTEST_TICKS 38859
#define SELFTEST_VAL ((u64)0xB8820C7BD387E32C)
#define SELFTEST_POLY ((u64)0x231DCEE91262B8A3)
#define SELFTEST_MATCH_GOAL 6
#define SELFTEST_LOOPS_MAX 40000
#define SELFTEST_BUFFER_WORDS 8
u64 test_data;
u64 test_control[HV_RNG_NUM_CONTROL];
u64 test_buffer[SELFTEST_BUFFER_WORDS];
};
#define N2RNG_BLOCK_LIMIT 60000
#define N2RNG_BUSY_LIMIT 100
#define N2RNG_HCHECK_LIMIT 100
#endif /* !(__ASSEMBLY__) */
#endif /* _N2RNG_H */
drivers/sbus/char/uctrl.c
浏览文件 @ f8b71a3a
......@@ -195,8 +195,8 @@ struct uctrl_driver {
static struct uctrl_driver drv;
void uctrl_get_event_status(void);
void uctrl_get_external_status(void);
static void uctrl_get_event_status(void);
static void uctrl_get_external_status(void);
static int
uctrl_ioctl(struct inode *inode, struct file *file,
......@@ -266,12 +266,6 @@ static struct miscdevice uctrl_dev = {
driver->regs->uctrl_stat = UCTRL_STAT_RXNE_STA; \
}
void uctrl_set_video(int status)
{
struct uctrl_driver *driver = &drv;
}
static void uctrl_do_txn(struct uctrl_txn *txn)
{
struct uctrl_driver *driver = &drv;
......@@ -311,7 +305,7 @@ static void uctrl_do_txn(struct uctrl_txn *txn)
}
}
void uctrl_get_event_status(void)
static void uctrl_get_event_status(void)
{
struct uctrl_driver *driver = &drv;
struct uctrl_txn txn;
......@@ -331,7 +325,7 @@ void uctrl_get_event_status(void)
dprintk(("ev is %x\n", driver->status.event_status));
}
void uctrl_get_external_status(void)
static void uctrl_get_external_status(void)
{
struct uctrl_driver *driver = &drv;
struct uctrl_txn txn;
......@@ -363,7 +357,7 @@ void uctrl_get_external_status(void)
static int __init ts102_uctrl_init(void)
{
struct uctrl_driver *driver = &drv;
int len, i;
int len;
struct linux_prom_irqs tmp_irq[2];
unsigned int vaddr[2] = { 0, 0 };
int tmpnode, uctrlnode = prom_getchild(prom_root_node);
......
drivers/sbus/char/vfc.h
浏览文件 @ f8b71a3a
......@@ -133,8 +133,6 @@ struct vfc_dev {
unsigned char saa9051_state_array[VFC_SAA9051_NR];
};
extern struct vfc_dev **vfc_dev_lst;
void captstat_reset(struct vfc_dev *);
void memptr_reset(struct vfc_dev *);
......@@ -145,8 +143,6 @@ int vfc_i2c_sendbuf(struct vfc_dev *, unsigned char, char *, int) ;
int vfc_i2c_recvbuf(struct vfc_dev *, unsigned char, char *, int) ;
int vfc_i2c_reset_bus(struct vfc_dev *);
int vfc_init_i2c_bus(struct vfc_dev *);
void vfc_lock_device(struct vfc_dev *);
void vfc_unlock_device(struct vfc_dev *);
#define VFC_CONTROL_DIAGMODE 0x10000000
#define VFC_CONTROL_MEMPTR 0x20000000
......
drivers/sbus/char/vfc_dev.c
浏览文件 @ f8b71a3a
......@@ -45,7 +45,7 @@
#include <asm/vfc_ioctls.h>
static const struct file_operations vfc_fops;
struct vfc_dev **vfc_dev_lst;
static struct vfc_dev **vfc_dev_lst;
static char vfcstr[]="vfc";
static unsigned char saa9051_init_array[VFC_SAA9051_NR] = {
0x00, 0x64, 0x72, 0x52,
......@@ -54,18 +54,18 @@ static unsigned char saa9051_init_array[VFC_SAA9051_NR] = {
0x3e
};
void vfc_lock_device(struct vfc_dev *dev)
static void vfc_lock_device(struct vfc_dev *dev)
{
mutex_lock(&dev->device_lock_mtx);
}
void vfc_unlock_device(struct vfc_dev *dev)
static void vfc_unlock_device(struct vfc_dev *dev)
{
mutex_unlock(&dev->device_lock_mtx);
}
void vfc_captstat_reset(struct vfc_dev *dev)
static void vfc_captstat_reset(struct vfc_dev *dev)
{
dev->control_reg |= VFC_CONTROL_CAPTRESET;
sbus_writel(dev->control_reg, &dev->regs->control);
......@@ -75,7 +75,7 @@ void vfc_captstat_reset(struct vfc_dev *dev)
sbus_writel(dev->control_reg, &dev->regs->control);
}
void vfc_memptr_reset(struct vfc_dev *dev)
static void vfc_memptr_reset(struct vfc_dev *dev)
{
dev->control_reg |= VFC_CONTROL_MEMPTR;
sbus_writel(dev->control_reg, &dev->regs->control);
......@@ -85,7 +85,7 @@ void vfc_memptr_reset(struct vfc_dev *dev)
sbus_writel(dev->control_reg, &dev->regs->control);
}
int vfc_csr_init(struct vfc_dev *dev)
static int vfc_csr_init(struct vfc_dev *dev)
{
dev->control_reg = 0x80000000;
sbus_writel(dev->control_reg, &dev->regs->control);
......@@ -107,7 +107,7 @@ int vfc_csr_init(struct vfc_dev *dev)
return 0;
}
int vfc_saa9051_init(struct vfc_dev *dev)
static int vfc_saa9051_init(struct vfc_dev *dev)
{
int i;
......@@ -119,7 +119,7 @@ int vfc_saa9051_init(struct vfc_dev *dev)
return 0;
}
int init_vfc_hw(struct vfc_dev *dev)
static int init_vfc_hw(struct vfc_dev *dev)
{
vfc_lock_device(dev);
vfc_csr_init(dev);
......@@ -132,7 +132,7 @@ int init_vfc_hw(struct vfc_dev *dev)
return 0;
}
int init_vfc_devstruct(struct vfc_dev *dev, int instance)
static int init_vfc_devstruct(struct vfc_dev *dev, int instance)
{
dev->instance=instance;
mutex_init(&dev->device_lock_mtx);
......@@ -141,7 +141,8 @@ int init_vfc_devstruct(struct vfc_dev *dev, int instance)
return 0;
}
int init_vfc_device(struct sbus_dev *sdev,struct vfc_dev *dev, int instance)
static int init_vfc_device(struct sbus_dev *sdev,struct vfc_dev *dev,
int instance)
{
if(dev == NULL) {
printk(KERN_ERR "VFC: Bogus pointer passed\n");
......@@ -168,7 +169,7 @@ int init_vfc_device(struct sbus_dev *sdev,struct vfc_dev *dev, int instance)
}
struct vfc_dev *vfc_get_dev_ptr(int instance)
static struct vfc_dev *vfc_get_dev_ptr(int instance)
{
return vfc_dev_lst[instance];
}
......@@ -292,7 +293,7 @@ static int vfc_debug(struct vfc_dev *dev, int cmd, void __user *argp)
return 0;
}
int vfc_capture_start(struct vfc_dev *dev)
static int vfc_capture_start(struct vfc_dev *dev)
{
vfc_captstat_reset(dev);
dev->control_reg = sbus_readl(&dev->regs->control);
......@@ -314,7 +315,7 @@ int vfc_capture_start(struct vfc_dev *dev)
return 0;
}
int vfc_capture_poll(struct vfc_dev *dev)
static int vfc_capture_poll(struct vfc_dev *dev)
{
int timeout = 1000;
......@@ -390,8 +391,8 @@ static int vfc_set_control_ioctl(struct inode *inode, struct file *file,
}
int vfc_port_change_ioctl(struct inode *inode, struct file *file,
struct vfc_dev *dev, unsigned long arg)
static int vfc_port_change_ioctl(struct inode *inode, struct file *file,
struct vfc_dev *dev, unsigned long arg)
{
int ret = 0;
int cmd;
......@@ -460,8 +461,8 @@ int vfc_port_change_ioctl(struct inode *inode, struct file *file,
return ret;
}
int vfc_set_video_ioctl(struct inode *inode, struct file *file,
struct vfc_dev *dev, unsigned long arg)
static int vfc_set_video_ioctl(struct inode *inode, struct file *file,
struct vfc_dev *dev, unsigned long arg)
{
int ret = 0;
int cmd;
......@@ -511,8 +512,8 @@ int vfc_set_video_ioctl(struct inode *inode, struct file *file,
return ret;
}
int vfc_get_video_ioctl(struct inode *inode, struct file *file,
struct vfc_dev *dev, unsigned long arg)
static int vfc_get_video_ioctl(struct inode *inode, struct file *file,
struct vfc_dev *dev, unsigned long arg)
{
int ret = 0;
unsigned int status = NO_LOCK;
......
drivers/sbus/char/vfc_i2c.c
浏览文件 @ f8b71a3a
......@@ -114,7 +114,7 @@ int vfc_i2c_reset_bus(struct vfc_dev *dev)
return 0;
}
int vfc_i2c_wait_for_bus(struct vfc_dev *dev)
static int vfc_i2c_wait_for_bus(struct vfc_dev *dev)
{
int timeout = 1000;
......@@ -126,7 +126,7 @@ int vfc_i2c_wait_for_bus(struct vfc_dev *dev)
return 0;
}
int vfc_i2c_wait_for_pin(struct vfc_dev *dev, int ack)
static int vfc_i2c_wait_for_pin(struct vfc_dev *dev, int ack)
{
int timeout = 1000;
int s1;
......@@ -144,7 +144,8 @@ int vfc_i2c_wait_for_pin(struct vfc_dev *dev, int ack)
}
#define SHIFT(a) ((a) << 24)
int vfc_i2c_xmit_addr(struct vfc_dev *dev, unsigned char addr, char mode)
static int vfc_i2c_xmit_addr(struct vfc_dev *dev, unsigned char addr,
char mode)
{
int ret, raddr;
#if 1
......@@ -195,7 +196,7 @@ int vfc_i2c_xmit_addr(struct vfc_dev *dev, unsigned char addr, char mode)
return 0;
}
int vfc_i2c_xmit_byte(struct vfc_dev *dev,unsigned char *byte)
static int vfc_i2c_xmit_byte(struct vfc_dev *dev,unsigned char *byte)
{
int ret;
u32 val = SHIFT((unsigned int)*byte);
......@@ -218,7 +219,8 @@ int vfc_i2c_xmit_byte(struct vfc_dev *dev,unsigned char *byte)
return ret;
}
int vfc_i2c_recv_byte(struct vfc_dev *dev, unsigned char *byte, int last)
static int vfc_i2c_recv_byte(struct vfc_dev *dev, unsigned char *byte,
int last)
{
int ret;
......
drivers/sbus/dvma.c
浏览文件 @ f8b71a3a
......@@ -16,7 +16,7 @@
struct sbus_dma *dma_chain;
void __init init_one_dvma(struct sbus_dma *dma, int num_dma)
static void __init init_one_dvma(struct sbus_dma *dma, int num_dma)
{
printk("dma%d: ", num_dma);
......
include/asm-sparc/Kbuild
浏览文件 @ f8b71a3a
include include/asm-generic/Kbuild.asm
header-y += apc.h
header-y += asi.h
header-y += bpp.h
header-y += jsflash.h
header-y += openpromio.h
header-y += reg.h
header-y += traps.h
header-y += vfc_ioctls.h
unifdef-y += fbio.h
unifdef-y += perfctr.h
unifdef-y += psr.h
# dummy file to avoid breaking make headers_install
include/asm-sparc/agp.h 0 → 100644
浏览文件 @ f8b71a3a
#ifndef AGP_H
#define AGP_H 1
/* dummy for now */
#define map_page_into_agp(page)
#define unmap_page_from_agp(page)
#define flush_agp_cache() mb()
/* Convert a physical address to an address suitable for the GART. */
#define phys_to_gart(x) (x)
#define gart_to_phys(x) (x)
/* GATT allocation. Returns/accepts GATT kernel virtual address. */
#define alloc_gatt_pages(order) \
((char *)__get_free_pages(GFP_KERNEL, (order)))
#define free_gatt_pages(table, order) \
free_pages((unsigned long)(table), (order))
#endif
include/asm-sparc/apb.h 0 → 100644
浏览文件 @ f8b71a3a
/*
* apb.h: Advanced PCI Bridge Configuration Registers and Bits
*
* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
*/
#ifndef _SPARC64_APB_H
#define _SPARC64_APB_H
#define APB_TICK_REGISTER 0xb0
#define APB_INT_ACK 0xb8
#define APB_PRIMARY_MASTER_RETRY_LIMIT 0xc0
#define APB_DMA_ASFR 0xc8
#define APB_DMA_AFAR 0xd0
#define APB_PIO_TARGET_RETRY_LIMIT 0xd8
#define APB_PIO_TARGET_LATENCY_TIMER 0xd9
#define APB_DMA_TARGET_RETRY_LIMIT 0xda
#define APB_DMA_TARGET_LATENCY_TIMER 0xdb
#define APB_SECONDARY_MASTER_RETRY_LIMIT 0xdc
#define APB_SECONDARY_CONTROL 0xdd
#define APB_IO_ADDRESS_MAP 0xde
#define APB_MEM_ADDRESS_MAP 0xdf
#define APB_PCI_CONTROL_LOW 0xe0
# define APB_PCI_CTL_LOW_ARB_PARK (1 << 21)
# define APB_PCI_CTL_LOW_ERRINT_EN (1 << 8)
#define APB_PCI_CONTROL_HIGH 0xe4
# define APB_PCI_CTL_HIGH_SERR (1 << 2)
# define APB_PCI_CTL_HIGH_ARBITER_EN (1 << 0)
#define APB_PIO_ASFR 0xe8
#define APB_PIO_AFAR 0xf0
#define APB_DIAG_REGISTER 0xf8
#endif /* !(_SPARC64_APB_H) */
include/asm-sparc/asi.h
浏览文件 @ f8b71a3a
......@@ -3,7 +3,7 @@
/* asi.h: Address Space Identifier values for the sparc.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu)
*
* Pioneer work for sun4m: Paul Hatchman (paul@sfe.com.au)
* Joint edition for sun4c+sun4m: Pete A. Zaitcev <zaitcev@ipmce.su>
......@@ -108,4 +108,155 @@
#define ASI_M_ACTION 0x4c /* Breakpoint Action Register (GNU/Viking) */
/* V9 Architecture mandary ASIs. */
#define ASI_N 0x04 /* Nucleus */
#define ASI_NL 0x0c /* Nucleus, little endian */
#define ASI_AIUP 0x10 /* Primary, user */
#define ASI_AIUS 0x11 /* Secondary, user */
#define ASI_AIUPL 0x18 /* Primary, user, little endian */
#define ASI_AIUSL 0x19 /* Secondary, user, little endian */
#define ASI_P 0x80 /* Primary, implicit */
#define ASI_S 0x81 /* Secondary, implicit */
#define ASI_PNF 0x82 /* Primary, no fault */
#define ASI_SNF 0x83 /* Secondary, no fault */
#define ASI_PL 0x88 /* Primary, implicit, l-endian */
#define ASI_SL 0x89 /* Secondary, implicit, l-endian */
#define ASI_PNFL 0x8a /* Primary, no fault, l-endian */
#define ASI_SNFL 0x8b /* Secondary, no fault, l-endian */
/* SpitFire and later extended ASIs. The "(III)" marker designates
* UltraSparc-III and later specific ASIs. The "(CMT)" marker designates
* Chip Multi Threading specific ASIs. "(NG)" designates Niagara specific
* ASIs, "(4V)" designates SUN4V specific ASIs.
*/
#define ASI_PHYS_USE_EC 0x14 /* PADDR, E-cachable */
#define ASI_PHYS_BYPASS_EC_E 0x15 /* PADDR, E-bit */
#define ASI_BLK_AIUP_4V 0x16 /* (4V) Prim, user, block ld/st */
#define ASI_BLK_AIUS_4V 0x17 /* (4V) Sec, user, block ld/st */
#define ASI_PHYS_USE_EC_L 0x1c /* PADDR, E-cachable, little endian*/
#define ASI_PHYS_BYPASS_EC_E_L 0x1d /* PADDR, E-bit, little endian */
#define ASI_BLK_AIUP_L_4V 0x1e /* (4V) Prim, user, block, l-endian*/
#define ASI_BLK_AIUS_L_4V 0x1f /* (4V) Sec, user, block, l-endian */
#define ASI_SCRATCHPAD 0x20 /* (4V) Scratch Pad Registers */
#define ASI_MMU 0x21 /* (4V) MMU Context Registers */
#define ASI_BLK_INIT_QUAD_LDD_AIUS 0x23 /* (NG) init-store, twin load,
* secondary, user
*/
#define ASI_NUCLEUS_QUAD_LDD 0x24 /* Cachable, qword load */
#define ASI_QUEUE 0x25 /* (4V) Interrupt Queue Registers */
#define ASI_QUAD_LDD_PHYS_4V 0x26 /* (4V) Physical, qword load */
#define ASI_NUCLEUS_QUAD_LDD_L 0x2c /* Cachable, qword load, l-endian */
#define ASI_QUAD_LDD_PHYS_L_4V 0x2e /* (4V) Phys, qword load, l-endian */
#define ASI_PCACHE_DATA_STATUS 0x30 /* (III) PCache data stat RAM diag */
#define ASI_PCACHE_DATA 0x31 /* (III) PCache data RAM diag */
#define ASI_PCACHE_TAG 0x32 /* (III) PCache tag RAM diag */
#define ASI_PCACHE_SNOOP_TAG 0x33 /* (III) PCache snoop tag RAM diag */
#define ASI_QUAD_LDD_PHYS 0x34 /* (III+) PADDR, qword load */
#define ASI_WCACHE_VALID_BITS 0x38 /* (III) WCache Valid Bits diag */
#define ASI_WCACHE_DATA 0x39 /* (III) WCache data RAM diag */
#define ASI_WCACHE_TAG 0x3a /* (III) WCache tag RAM diag */
#define ASI_WCACHE_SNOOP_TAG 0x3b /* (III) WCache snoop tag RAM diag */
#define ASI_QUAD_LDD_PHYS_L 0x3c /* (III+) PADDR, qw-load, l-endian */
#define ASI_SRAM_FAST_INIT 0x40 /* (III+) Fast SRAM init */
#define ASI_CORE_AVAILABLE 0x41 /* (CMT) LP Available */
#define ASI_CORE_ENABLE_STAT 0x41 /* (CMT) LP Enable Status */
#define ASI_CORE_ENABLE 0x41 /* (CMT) LP Enable RW */
#define ASI_XIR_STEERING 0x41 /* (CMT) XIR Steering RW */
#define ASI_CORE_RUNNING_RW 0x41 /* (CMT) LP Running RW */
#define ASI_CORE_RUNNING_W1S 0x41 /* (CMT) LP Running Write-One Set */
#define ASI_CORE_RUNNING_W1C 0x41 /* (CMT) LP Running Write-One Clr */
#define ASI_CORE_RUNNING_STAT 0x41 /* (CMT) LP Running Status */
#define ASI_CMT_ERROR_STEERING 0x41 /* (CMT) Error Steering RW */
#define ASI_DCACHE_INVALIDATE 0x42 /* (III) DCache Invalidate diag */
#define ASI_DCACHE_UTAG 0x43 /* (III) DCache uTag diag */
#define ASI_DCACHE_SNOOP_TAG 0x44 /* (III) DCache snoop tag RAM diag */
#define ASI_LSU_CONTROL 0x45 /* Load-store control unit */
#define ASI_DCU_CONTROL_REG 0x45 /* (III) DCache Unit Control reg */
#define ASI_DCACHE_DATA 0x46 /* DCache data-ram diag access */
#define ASI_DCACHE_TAG 0x47 /* Dcache tag/valid ram diag access*/
#define ASI_INTR_DISPATCH_STAT 0x48 /* IRQ vector dispatch status */
#define ASI_INTR_RECEIVE 0x49 /* IRQ vector receive status */
#define ASI_UPA_CONFIG 0x4a /* UPA config space */
#define ASI_JBUS_CONFIG 0x4a /* (IIIi) JBUS Config Register */
#define ASI_SAFARI_CONFIG 0x4a /* (III) Safari Config Register */
#define ASI_SAFARI_ADDRESS 0x4a /* (III) Safari Address Register */
#define ASI_ESTATE_ERROR_EN 0x4b /* E-cache error enable space */
#define ASI_AFSR 0x4c /* Async fault status register */
#define ASI_AFAR 0x4d /* Async fault address register */
#define ASI_EC_TAG_DATA 0x4e /* E-cache tag/valid ram diag acc */
#define ASI_IMMU 0x50 /* Insn-MMU main register space */
#define ASI_IMMU_TSB_8KB_PTR 0x51 /* Insn-MMU 8KB TSB pointer reg */
#define ASI_IMMU_TSB_64KB_PTR 0x52 /* Insn-MMU 64KB TSB pointer reg */
#define ASI_ITLB_DATA_IN 0x54 /* Insn-MMU TLB data in reg */
#define ASI_ITLB_DATA_ACCESS 0x55 /* Insn-MMU TLB data access reg */
#define ASI_ITLB_TAG_READ 0x56 /* Insn-MMU TLB tag read reg */
#define ASI_IMMU_DEMAP 0x57 /* Insn-MMU TLB demap */
#define ASI_DMMU 0x58 /* Data-MMU main register space */
#define ASI_DMMU_TSB_8KB_PTR 0x59 /* Data-MMU 8KB TSB pointer reg */
#define ASI_DMMU_TSB_64KB_PTR 0x5a /* Data-MMU 16KB TSB pointer reg */
#define ASI_DMMU_TSB_DIRECT_PTR 0x5b /* Data-MMU TSB direct pointer reg */
#define ASI_DTLB_DATA_IN 0x5c /* Data-MMU TLB data in reg */
#define ASI_DTLB_DATA_ACCESS 0x5d /* Data-MMU TLB data access reg */
#define ASI_DTLB_TAG_READ 0x5e /* Data-MMU TLB tag read reg */
#define ASI_DMMU_DEMAP 0x5f /* Data-MMU TLB demap */
#define ASI_IIU_INST_TRAP 0x60 /* (III) Instruction Breakpoint */
#define ASI_INTR_ID 0x63 /* (CMT) Interrupt ID register */
#define ASI_CORE_ID 0x63 /* (CMT) LP ID register */
#define ASI_CESR_ID 0x63 /* (CMT) CESR ID register */
#define ASI_IC_INSTR 0x66 /* Insn cache instrucion ram diag */
#define ASI_IC_TAG 0x67 /* Insn cache tag/valid ram diag */
#define ASI_IC_STAG 0x68 /* (III) Insn cache snoop tag ram */
#define ASI_IC_PRE_DECODE 0x6e /* Insn cache pre-decode ram diag */
#define ASI_IC_NEXT_FIELD 0x6f /* Insn cache next-field ram diag */
#define ASI_BRPRED_ARRAY 0x6f /* (III) Branch Prediction RAM diag*/
#define ASI_BLK_AIUP 0x70 /* Primary, user, block load/store */
#define ASI_BLK_AIUS 0x71 /* Secondary, user, block ld/st */
#define ASI_MCU_CTRL_REG 0x72 /* (III) Memory controller regs */
#define ASI_EC_DATA 0x74 /* (III) E-cache data staging reg */
#define ASI_EC_CTRL 0x75 /* (III) E-cache control reg */
#define ASI_EC_W 0x76 /* E-cache diag write access */
#define ASI_UDB_ERROR_W 0x77 /* External UDB error regs W */
#define ASI_UDB_CONTROL_W 0x77 /* External UDB control regs W */
#define ASI_INTR_W 0x77 /* IRQ vector dispatch write */
#define ASI_INTR_DATAN_W 0x77 /* (III) Out irq vector data reg N */
#define ASI_INTR_DISPATCH_W 0x77 /* (III) Interrupt vector dispatch */
#define ASI_BLK_AIUPL 0x78 /* Primary, user, little, blk ld/st*/
#define ASI_BLK_AIUSL 0x79 /* Secondary, user, little, blk ld/st*/
#define ASI_EC_R 0x7e /* E-cache diag read access */
#define ASI_UDBH_ERROR_R 0x7f /* External UDB error regs rd hi */
#define ASI_UDBL_ERROR_R 0x7f /* External UDB error regs rd low */
#define ASI_UDBH_CONTROL_R 0x7f /* External UDB control regs rd hi */
#define ASI_UDBL_CONTROL_R 0x7f /* External UDB control regs rd low*/
#define ASI_INTR_R 0x7f /* IRQ vector dispatch read */
#define ASI_INTR_DATAN_R 0x7f /* (III) In irq vector data reg N */
#define ASI_PST8_P 0xc0 /* Primary, 8 8-bit, partial */
#define ASI_PST8_S 0xc1 /* Secondary, 8 8-bit, partial */
#define ASI_PST16_P 0xc2 /* Primary, 4 16-bit, partial */
#define ASI_PST16_S 0xc3 /* Secondary, 4 16-bit, partial */
#define ASI_PST32_P 0xc4 /* Primary, 2 32-bit, partial */
#define ASI_PST32_S 0xc5 /* Secondary, 2 32-bit, partial */
#define ASI_PST8_PL 0xc8 /* Primary, 8 8-bit, partial, L */
#define ASI_PST8_SL 0xc9 /* Secondary, 8 8-bit, partial, L */
#define ASI_PST16_PL 0xca /* Primary, 4 16-bit, partial, L */
#define ASI_PST16_SL 0xcb /* Secondary, 4 16-bit, partial, L */
#define ASI_PST32_PL 0xcc /* Primary, 2 32-bit, partial, L */
#define ASI_PST32_SL 0xcd /* Secondary, 2 32-bit, partial, L */
#define ASI_FL8_P 0xd0 /* Primary, 1 8-bit, fpu ld/st */
#define ASI_FL8_S 0xd1 /* Secondary, 1 8-bit, fpu ld/st */
#define ASI_FL16_P 0xd2 /* Primary, 1 16-bit, fpu ld/st */
#define ASI_FL16_S 0xd3 /* Secondary, 1 16-bit, fpu ld/st */
#define ASI_FL8_PL 0xd8 /* Primary, 1 8-bit, fpu ld/st, L */
#define ASI_FL8_SL 0xd9 /* Secondary, 1 8-bit, fpu ld/st, L*/
#define ASI_FL16_PL 0xda /* Primary, 1 16-bit, fpu ld/st, L */
#define ASI_FL16_SL 0xdb /* Secondary, 1 16-bit, fpu ld/st,L*/
#define ASI_BLK_COMMIT_P 0xe0 /* Primary, blk store commit */
#define ASI_BLK_COMMIT_S 0xe1 /* Secondary, blk store commit */
#define ASI_BLK_INIT_QUAD_LDD_P 0xe2 /* (NG) init-store, twin load,
* primary, implicit
*/
#define ASI_BLK_P 0xf0 /* Primary, blk ld/st */
#define ASI_BLK_S 0xf1 /* Secondary, blk ld/st */
#define ASI_BLK_PL 0xf8 /* Primary, blk ld/st, little */
#define ASI_BLK_SL 0xf9 /* Secondary, blk ld/st, little */
#endif /* _SPARC_ASI_H */
include/asm-sparc/atomic.h
浏览文件 @ f8b71a3a
/* atomic.h: These still suck, but the I-cache hit rate is higher.
*
* Copyright (C) 1996 David S. Miller (davem@davemloft.net)
* Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au)
* Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org)
*
* Additions by Keith M Wesolowski (wesolows@foobazco.org) based
* on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>.
*/
#ifndef __ARCH_SPARC_ATOMIC__
#define __ARCH_SPARC_ATOMIC__
#include <linux/types.h>
typedef struct { volatile int counter; } atomic_t;
#ifdef __KERNEL__
#define ATOMIC_INIT(i) { (i) }
extern int __atomic_add_return(int, atomic_t *);
extern int atomic_cmpxchg(atomic_t *, int, int);
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
extern int atomic_add_unless(atomic_t *, int, int);
extern void atomic_set(atomic_t *, int);
#define atomic_read(v) ((v)->counter)
#define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v)))
#define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v)))
#define atomic_inc(v) ((void)__atomic_add_return( 1, (v)))
#define atomic_dec(v) ((void)__atomic_add_return( -1, (v)))
#define atomic_add_return(i, v) (__atomic_add_return( (int)(i), (v)))
#define atomic_sub_return(i, v) (__atomic_add_return(-(int)(i), (v)))
#define atomic_inc_return(v) (__atomic_add_return( 1, (v)))
#define atomic_dec_return(v) (__atomic_add_return( -1, (v)))
#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
/* This is the old 24-bit implementation. It's still used internally
* by some sparc-specific code, notably the semaphore implementation.
*/
typedef struct { volatile int counter; } atomic24_t;
#ifndef CONFIG_SMP
#define ATOMIC24_INIT(i) { (i) }
#define atomic24_read(v) ((v)->counter)
#define atomic24_set(v, i) (((v)->counter) = i)
#ifndef ___ASM_SPARC_ATOMIC_H
#define ___ASM_SPARC_ATOMIC_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/atomic_64.h>
#else
/* We do the bulk of the actual work out of line in two common
* routines in assembler, see arch/sparc/lib/atomic.S for the
* "fun" details.
*
* For SMP the trick is you embed the spin lock byte within
* the word, use the low byte so signedness is easily retained
* via a quick arithmetic shift. It looks like this:
*
* ----------------------------------------
* | signed 24-bit counter value | lock | atomic_t
* ----------------------------------------
* 31 8 7 0
*/
#define ATOMIC24_INIT(i) { ((i) << 8) }
static inline int atomic24_read(const atomic24_t *v)
{
int ret = v->counter;
while(ret & 0xff)
ret = v->counter;
return ret >> 8;
}
#define atomic24_set(v, i) (((v)->counter) = ((i) << 8))
#include <asm-sparc/atomic_32.h>
#endif
#endif
static inline int __atomic24_add(int i, atomic24_t *v)
{
register volatile int *ptr asm("g1");
register int increment asm("g2");
register int tmp1 asm("g3");
register int tmp2 asm("g4");
register int tmp3 asm("g7");
ptr = &v->counter;
increment = i;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
"call ___atomic24_add\n\t"
" add %%o7, 8, %%o7\n"
: "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
: "0" (increment), "r" (ptr)
: "memory", "cc");
return increment;
}
static inline int __atomic24_sub(int i, atomic24_t *v)
{
register volatile int *ptr asm("g1");
register int increment asm("g2");
register int tmp1 asm("g3");
register int tmp2 asm("g4");
register int tmp3 asm("g7");
ptr = &v->counter;
increment = i;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
"call ___atomic24_sub\n\t"
" add %%o7, 8, %%o7\n"
: "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
: "0" (increment), "r" (ptr)
: "memory", "cc");
return increment;
}
#define atomic24_add(i, v) ((void)__atomic24_add((i), (v)))
#define atomic24_sub(i, v) ((void)__atomic24_sub((i), (v)))
#define atomic24_dec_return(v) __atomic24_sub(1, (v))
#define atomic24_inc_return(v) __atomic24_add(1, (v))
#define atomic24_sub_and_test(i, v) (__atomic24_sub((i), (v)) == 0)
#define atomic24_dec_and_test(v) (__atomic24_sub(1, (v)) == 0)
#define atomic24_inc(v) ((void)__atomic24_add(1, (v)))
#define atomic24_dec(v) ((void)__atomic24_sub(1, (v)))
#define atomic24_add_negative(i, v) (__atomic24_add((i), (v)) < 0)
/* Atomic operations are already serializing */
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
#endif /* !(__KERNEL__) */
#include <asm-generic/atomic.h>
#endif /* !(__ARCH_SPARC_ATOMIC__) */
include/asm-sparc/atomic_32.h 0 → 100644
浏览文件 @ f8b71a3a
/* atomic.h: These still suck, but the I-cache hit rate is higher.
*
* Copyright (C) 1996 David S. Miller (davem@davemloft.net)
* Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au)
* Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org)
*
* Additions by Keith M Wesolowski (wesolows@foobazco.org) based
* on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>.
*/
#ifndef __ARCH_SPARC_ATOMIC__
#define __ARCH_SPARC_ATOMIC__
#include <linux/types.h>
typedef struct { volatile int counter; } atomic_t;
#ifdef __KERNEL__
#define ATOMIC_INIT(i) { (i) }
extern int __atomic_add_return(int, atomic_t *);
extern int atomic_cmpxchg(atomic_t *, int, int);
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
extern int atomic_add_unless(atomic_t *, int, int);
extern void atomic_set(atomic_t *, int);
#define atomic_read(v) ((v)->counter)
#define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v)))
#define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v)))
#define atomic_inc(v) ((void)__atomic_add_return( 1, (v)))
#define atomic_dec(v) ((void)__atomic_add_return( -1, (v)))
#define atomic_add_return(i, v) (__atomic_add_return( (int)(i), (v)))
#define atomic_sub_return(i, v) (__atomic_add_return(-(int)(i), (v)))
#define atomic_inc_return(v) (__atomic_add_return( 1, (v)))
#define atomic_dec_return(v) (__atomic_add_return( -1, (v)))
#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0)
#define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0)
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
/* This is the old 24-bit implementation. It's still used internally
* by some sparc-specific code, notably the semaphore implementation.
*/
typedef struct { volatile int counter; } atomic24_t;
#ifndef CONFIG_SMP
#define ATOMIC24_INIT(i) { (i) }
#define atomic24_read(v) ((v)->counter)
#define atomic24_set(v, i) (((v)->counter) = i)
#else
/* We do the bulk of the actual work out of line in two common
* routines in assembler, see arch/sparc/lib/atomic.S for the
* "fun" details.
*
* For SMP the trick is you embed the spin lock byte within
* the word, use the low byte so signedness is easily retained
* via a quick arithmetic shift. It looks like this:
*
* ----------------------------------------
* | signed 24-bit counter value | lock | atomic_t
* ----------------------------------------
* 31 8 7 0
*/
#define ATOMIC24_INIT(i) { ((i) << 8) }
static inline int atomic24_read(const atomic24_t *v)
{
int ret = v->counter;
while(ret & 0xff)
ret = v->counter;
return ret >> 8;
}
#define atomic24_set(v, i) (((v)->counter) = ((i) << 8))
#endif
static inline int __atomic24_add(int i, atomic24_t *v)
{
register volatile int *ptr asm("g1");
register int increment asm("g2");
register int tmp1 asm("g3");
register int tmp2 asm("g4");
register int tmp3 asm("g7");
ptr = &v->counter;
increment = i;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
"call ___atomic24_add\n\t"
" add %%o7, 8, %%o7\n"
: "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
: "0" (increment), "r" (ptr)
: "memory", "cc");
return increment;
}
static inline int __atomic24_sub(int i, atomic24_t *v)
{
register volatile int *ptr asm("g1");
register int increment asm("g2");
register int tmp1 asm("g3");
register int tmp2 asm("g4");
register int tmp3 asm("g7");
ptr = &v->counter;
increment = i;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
"call ___atomic24_sub\n\t"
" add %%o7, 8, %%o7\n"
: "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3)
: "0" (increment), "r" (ptr)
: "memory", "cc");
return increment;
}
#define atomic24_add(i, v) ((void)__atomic24_add((i), (v)))
#define atomic24_sub(i, v) ((void)__atomic24_sub((i), (v)))
#define atomic24_dec_return(v) __atomic24_sub(1, (v))
#define atomic24_inc_return(v) __atomic24_add(1, (v))
#define atomic24_sub_and_test(i, v) (__atomic24_sub((i), (v)) == 0)
#define atomic24_dec_and_test(v) (__atomic24_sub(1, (v)) == 0)
#define atomic24_inc(v) ((void)__atomic24_add(1, (v)))
#define atomic24_dec(v) ((void)__atomic24_sub(1, (v)))
#define atomic24_add_negative(i, v) (__atomic24_add((i), (v)) < 0)
/* Atomic operations are already serializing */
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
#endif /* !(__KERNEL__) */
#include <asm-generic/atomic.h>
#endif /* !(__ARCH_SPARC_ATOMIC__) */
include/asm-sparc/atomic_64.h 0 → 100644
浏览文件 @ f8b71a3a
/* atomic.h: Thankfully the V9 is at least reasonable for this
* stuff.
*
* Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com)
*/
#ifndef __ARCH_SPARC64_ATOMIC__
#define __ARCH_SPARC64_ATOMIC__
#include <linux/types.h>
#include <asm/system.h>
typedef struct { volatile int counter; } atomic_t;
typedef struct { volatile __s64 counter; } atomic64_t;
#define ATOMIC_INIT(i) { (i) }
#define ATOMIC64_INIT(i) { (i) }
#define atomic_read(v) ((v)->counter)
#define atomic64_read(v) ((v)->counter)
#define atomic_set(v, i) (((v)->counter) = i)
#define atomic64_set(v, i) (((v)->counter) = i)
extern void atomic_add(int, atomic_t *);
extern void atomic64_add(int, atomic64_t *);
extern void atomic_sub(int, atomic_t *);
extern void atomic64_sub(int, atomic64_t *);
extern int atomic_add_ret(int, atomic_t *);
extern int atomic64_add_ret(int, atomic64_t *);
extern int atomic_sub_ret(int, atomic_t *);
extern int atomic64_sub_ret(int, atomic64_t *);
#define atomic_dec_return(v) atomic_sub_ret(1, v)
#define atomic64_dec_return(v) atomic64_sub_ret(1, v)
#define atomic_inc_return(v) atomic_add_ret(1, v)
#define atomic64_inc_return(v) atomic64_add_ret(1, v)
#define atomic_sub_return(i, v) atomic_sub_ret(i, v)
#define atomic64_sub_return(i, v) atomic64_sub_ret(i, v)
#define atomic_add_return(i, v) atomic_add_ret(i, v)
#define atomic64_add_return(i, v) atomic64_add_ret(i, v)
/*
* atomic_inc_and_test - increment and test
* @v: pointer of type atomic_t
*
* Atomically increments @v by 1
* and returns true if the result is zero, or false for all
* other cases.
*/
#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0)
#define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
#define atomic_sub_and_test(i, v) (atomic_sub_ret(i, v) == 0)
#define atomic64_sub_and_test(i, v) (atomic64_sub_ret(i, v) == 0)
#define atomic_dec_and_test(v) (atomic_sub_ret(1, v) == 0)
#define atomic64_dec_and_test(v) (atomic64_sub_ret(1, v) == 0)
#define atomic_inc(v) atomic_add(1, v)
#define atomic64_inc(v) atomic64_add(1, v)
#define atomic_dec(v) atomic_sub(1, v)
#define atomic64_dec(v) atomic64_sub(1, v)
#define atomic_add_negative(i, v) (atomic_add_ret(i, v) < 0)
#define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0)
#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n)))
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
static inline int atomic_add_unless(atomic_t *v, int a, int u)
{
int c, old;
c = atomic_read(v);
for (;;) {
if (unlikely(c == (u)))
break;
old = atomic_cmpxchg((v), c, c + (a));
if (likely(old == c))
break;
c = old;
}
return c != (u);
}
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
#define atomic64_cmpxchg(v, o, n) \
((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n)))
#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
static inline int atomic64_add_unless(atomic64_t *v, long a, long u)
{
long c, old;
c = atomic64_read(v);
for (;;) {
if (unlikely(c == (u)))
break;
old = atomic64_cmpxchg((v), c, c + (a));
if (likely(old == c))
break;
c = old;
}
return c != (u);
}
#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
/* Atomic operations are already serializing */
#ifdef CONFIG_SMP
#define smp_mb__before_atomic_dec() membar_storeload_loadload();
#define smp_mb__after_atomic_dec() membar_storeload_storestore();
#define smp_mb__before_atomic_inc() membar_storeload_loadload();
#define smp_mb__after_atomic_inc() membar_storeload_storestore();
#else
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()
#endif
#include <asm-generic/atomic.h>
#endif /* !(__ARCH_SPARC64_ATOMIC__) */
include/asm-sparc/auxio.h
浏览文件 @ f8b71a3a
/*
* auxio.h: Definitions and code for the Auxiliary I/O register.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_AUXIO_H
#define _SPARC_AUXIO_H
#include <asm/system.h>
#include <asm/vaddrs.h>
/* This register is an unsigned char in IO space. It does two things.
* First, it is used to control the front panel LED light on machines
* that have it (good for testing entry points to trap handlers and irq's)
* Secondly, it controls various floppy drive parameters.
*/
#define AUXIO_ORMEIN 0xf0 /* All writes must set these bits. */
#define AUXIO_ORMEIN4M 0xc0 /* sun4m - All writes must set these bits. */
#define AUXIO_FLPY_DENS 0x20 /* Floppy density, high if set. Read only. */
#define AUXIO_FLPY_DCHG 0x10 /* A disk change occurred. Read only. */
#define AUXIO_EDGE_ON 0x10 /* sun4m - On means Jumper block is in. */
#define AUXIO_FLPY_DSEL 0x08 /* Drive select/start-motor. Write only. */
#define AUXIO_LINK_TEST 0x08 /* sun4m - On means TPE Carrier detect. */
/* Set the following to one, then zero, after doing a pseudo DMA transfer. */
#define AUXIO_FLPY_TCNT 0x04 /* Floppy terminal count. Write only. */
/* Set the following to zero to eject the floppy. */
#define AUXIO_FLPY_EJCT 0x02 /* Eject floppy disk. Write only. */
#define AUXIO_LED 0x01 /* On if set, off if unset. Read/Write */
#ifndef __ASSEMBLY__
/*
* NOTE: these routines are implementation dependent--
* understand the hardware you are querying!
*/
extern void set_auxio(unsigned char bits_on, unsigned char bits_off);
extern unsigned char get_auxio(void); /* .../asm-sparc/floppy.h */
/*
* The following routines are provided for driver-compatibility
* with sparc64 (primarily sunlance.c)
*/
#define AUXIO_LTE_ON 1
#define AUXIO_LTE_OFF 0
/* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
*
* on - AUXIO_LTE_ON or AUXIO_LTE_OFF
*/
#define auxio_set_lte(on) \
do { \
if(on) { \
set_auxio(AUXIO_LINK_TEST, 0); \
} else { \
set_auxio(0, AUXIO_LINK_TEST); \
} \
} while (0)
#define AUXIO_LED_ON 1
#define AUXIO_LED_OFF 0
/* auxio_set_led - Set system front panel LED
*
* on - AUXIO_LED_ON or AUXIO_LED_OFF
*/
#define auxio_set_led(on) \
do { \
if(on) { \
set_auxio(AUXIO_LED, 0); \
} else { \
set_auxio(0, AUXIO_LED); \
} \
} while (0)
#endif /* !(__ASSEMBLY__) */
/* AUXIO2 (Power Off Control) */
extern __volatile__ unsigned char * auxio_power_register;
#define AUXIO_POWER_DETECT_FAILURE 32
#define AUXIO_POWER_CLEAR_FAILURE 2
#define AUXIO_POWER_OFF 1
#endif /* !(_SPARC_AUXIO_H) */
#ifndef ___ASM_SPARC_AUXIO_H
#define ___ASM_SPARC_AUXIO_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/auxio_64.h>
#else
#include <asm-sparc/auxio_32.h>
#endif
#endif
include/asm-sparc/auxio_32.h 0 → 100644
浏览文件 @ f8b71a3a
/*
* auxio.h: Definitions and code for the Auxiliary I/O register.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_AUXIO_H
#define _SPARC_AUXIO_H
#include <asm/system.h>
#include <asm/vaddrs.h>
/* This register is an unsigned char in IO space. It does two things.
* First, it is used to control the front panel LED light on machines
* that have it (good for testing entry points to trap handlers and irq's)
* Secondly, it controls various floppy drive parameters.
*/
#define AUXIO_ORMEIN 0xf0 /* All writes must set these bits. */
#define AUXIO_ORMEIN4M 0xc0 /* sun4m - All writes must set these bits. */
#define AUXIO_FLPY_DENS 0x20 /* Floppy density, high if set. Read only. */
#define AUXIO_FLPY_DCHG 0x10 /* A disk change occurred. Read only. */
#define AUXIO_EDGE_ON 0x10 /* sun4m - On means Jumper block is in. */
#define AUXIO_FLPY_DSEL 0x08 /* Drive select/start-motor. Write only. */
#define AUXIO_LINK_TEST 0x08 /* sun4m - On means TPE Carrier detect. */
/* Set the following to one, then zero, after doing a pseudo DMA transfer. */
#define AUXIO_FLPY_TCNT 0x04 /* Floppy terminal count. Write only. */
/* Set the following to zero to eject the floppy. */
#define AUXIO_FLPY_EJCT 0x02 /* Eject floppy disk. Write only. */
#define AUXIO_LED 0x01 /* On if set, off if unset. Read/Write */
#ifndef __ASSEMBLY__
/*
* NOTE: these routines are implementation dependent--
* understand the hardware you are querying!
*/
extern void set_auxio(unsigned char bits_on, unsigned char bits_off);
extern unsigned char get_auxio(void); /* .../asm-sparc/floppy.h */
/*
* The following routines are provided for driver-compatibility
* with sparc64 (primarily sunlance.c)
*/
#define AUXIO_LTE_ON 1
#define AUXIO_LTE_OFF 0
/* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
*
* on - AUXIO_LTE_ON or AUXIO_LTE_OFF
*/
#define auxio_set_lte(on) \
do { \
if(on) { \
set_auxio(AUXIO_LINK_TEST, 0); \
} else { \
set_auxio(0, AUXIO_LINK_TEST); \
} \
} while (0)
#define AUXIO_LED_ON 1
#define AUXIO_LED_OFF 0
/* auxio_set_led - Set system front panel LED
*
* on - AUXIO_LED_ON or AUXIO_LED_OFF
*/
#define auxio_set_led(on) \
do { \
if(on) { \
set_auxio(AUXIO_LED, 0); \
} else { \
set_auxio(0, AUXIO_LED); \
} \
} while (0)
#endif /* !(__ASSEMBLY__) */
/* AUXIO2 (Power Off Control) */
extern __volatile__ unsigned char * auxio_power_register;
#define AUXIO_POWER_DETECT_FAILURE 32
#define AUXIO_POWER_CLEAR_FAILURE 2
#define AUXIO_POWER_OFF 1
#endif /* !(_SPARC_AUXIO_H) */
include/asm-sparc/auxio_64.h 0 → 100644
浏览文件 @ f8b71a3a
/*
* auxio.h: Definitions and code for the Auxiliary I/O registers.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*
* Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net)
*/
#ifndef _SPARC64_AUXIO_H
#define _SPARC64_AUXIO_H
/* AUXIO implementations:
* sbus-based NCR89C105 "Slavio"
* LED/Floppy (AUX1) register
* Power (AUX2) register
*
* ebus-based auxio on PCIO
* LED Auxio Register
* Power Auxio Register
*
* Register definitions from NCR _NCR89C105 Chip Specification_
*
* SLAVIO AUX1 @ 0x1900000
* -------------------------------------------------
* | (R) | (R) | D | (R) | E | M | T | L |
* -------------------------------------------------
* (R) - bit 7:6,4 are reserved and should be masked in s/w
* D - Floppy Density Sense (1=high density) R/O
* E - Link Test Enable, directly reflected on AT&T 7213 LTE pin
* M - Monitor/Mouse Mux, directly reflected on MON_MSE_MUX pin
* T - Terminal Count: sends TC pulse to 82077 floppy controller
* L - System LED on front panel (0=off, 1=on)
*/
#define AUXIO_AUX1_MASK 0xc0 /* Mask bits */
#define AUXIO_AUX1_FDENS 0x20 /* Floppy Density Sense */
#define AUXIO_AUX1_LTE 0x08 /* Link Test Enable */
#define AUXIO_AUX1_MMUX 0x04 /* Monitor/Mouse Mux */
#define AUXIO_AUX1_FTCNT 0x02 /* Terminal Count, */
#define AUXIO_AUX1_LED 0x01 /* System LED */
/* SLAVIO AUX2 @ 0x1910000
* -------------------------------------------------
* | (R) | (R) | D | (R) | (R) | (R) | C | F |
* -------------------------------------------------
* (R) - bits 7:6,4:2 are reserved and should be masked in s/w
* D - Power Failure Detect (1=power fail)
* C - Clear Power Failure Detect Int (1=clear)
* F - Power Off (1=power off)
*/
#define AUXIO_AUX2_MASK 0xdc /* Mask Bits */
#define AUXIO_AUX2_PFAILDET 0x20 /* Power Fail Detect */
#define AUXIO_AUX2_PFAILCLR 0x02 /* Clear Pwr Fail Det Intr */
#define AUXIO_AUX2_PWR_OFF 0x01 /* Power Off */
/* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837
*
* PCIO LED Auxio @ 0x726000
* -------------------------------------------------
* | 31:1 Unused | LED |
* -------------------------------------------------
* Bits 31:1 unused
* LED - System LED on front panel (0=off, 1=on)
*/
#define AUXIO_PCIO_LED 0x01 /* System LED */
/* PCIO Power Auxio @ 0x724000
* -------------------------------------------------
* | 31:2 Unused | CPO | SPO |
* -------------------------------------------------
* Bits 31:2 unused
* CPO - Courtesy Power Off (1=off)
* SPO - System Power Off (1=off)
*/
#define AUXIO_PCIO_CPWR_OFF 0x02 /* Courtesy Power Off */
#define AUXIO_PCIO_SPWR_OFF 0x01 /* System Power Off */
#ifndef __ASSEMBLY__
extern void __iomem *auxio_register;
#define AUXIO_LTE_ON 1
#define AUXIO_LTE_OFF 0
/* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
*
* on - AUXIO_LTE_ON or AUXIO_LTE_OFF
*/
extern void auxio_set_lte(int on);
#define AUXIO_LED_ON 1
#define AUXIO_LED_OFF 0
/* auxio_set_led - Set system front panel LED
*
* on - AUXIO_LED_ON or AUXIO_LED_OFF
*/
extern void auxio_set_led(int on);
#endif /* ifndef __ASSEMBLY__ */
#endif /* !(_SPARC64_AUXIO_H) */
include/asm-sparc/backoff.h 0 → 100644
浏览文件 @ f8b71a3a
#ifndef _SPARC64_BACKOFF_H
#define _SPARC64_BACKOFF_H
#define BACKOFF_LIMIT (4 * 1024)
#ifdef CONFIG_SMP
#define BACKOFF_SETUP(reg) \
mov 1, reg
#define BACKOFF_SPIN(reg, tmp, label) \
mov reg, tmp; \
88: brnz,pt tmp, 88b; \
sub tmp, 1, tmp; \
set BACKOFF_LIMIT, tmp; \
cmp reg, tmp; \
bg,pn %xcc, label; \
nop; \
ba,pt %xcc, label; \
sllx reg, 1, reg;
#else
#define BACKOFF_SETUP(reg)
#define BACKOFF_SPIN(reg, tmp, label) \
ba,pt %xcc, label; \
nop;
#endif
#endif /* _SPARC64_BACKOFF_H */
include/asm-sparc/bbc.h 0 → 100644
浏览文件 @ f8b71a3a
/*
* bbc.h: Defines for BootBus Controller found on UltraSPARC-III
* systems.
*
* Copyright (C) 2000 David S. Miller (davem@redhat.com)
*/
#ifndef _SPARC64_BBC_H
#define _SPARC64_BBC_H
/* Register sizes are indicated by "B" (Byte, 1-byte),
* "H" (Half-word, 2 bytes), "W" (Word, 4 bytes) or
* "Q" (Quad, 8 bytes) inside brackets.
*/
#define BBC_AID 0x00 /* [B] Agent ID */
#define BBC_DEVP 0x01 /* [B] Device Present */
#define BBC_ARB 0x02 /* [B] Arbitration */
#define BBC_QUIESCE 0x03 /* [B] Quiesce */
#define BBC_WDACTION 0x04 /* [B] Watchdog Action */
#define BBC_SPG 0x06 /* [B] Soft POR Gen */
#define BBC_SXG 0x07 /* [B] Soft XIR Gen */
#define BBC_PSRC 0x08 /* [W] POR Source */
#define BBC_XSRC 0x0c /* [B] XIR Source */
#define BBC_CSC 0x0d /* [B] Clock Synthesizers Control*/
#define BBC_ES_CTRL 0x0e /* [H] Energy Star Control */
#define BBC_ES_ACT 0x10 /* [W] E* Assert Change Time */
#define BBC_ES_DACT 0x14 /* [B] E* De-Assert Change Time */
#define BBC_ES_DABT 0x15 /* [B] E* De-Assert Bypass Time */
#define BBC_ES_ABT 0x16 /* [H] E* Assert Bypass Time */
#define BBC_ES_PST 0x18 /* [W] E* PLL Settle Time */
#define BBC_ES_FSL 0x1c /* [W] E* Frequency Switch Latency*/
#define BBC_EBUST 0x20 /* [Q] EBUS Timing */
#define BBC_JTAG_CMD 0x28 /* [W] JTAG+ Command */
#define BBC_JTAG_CTRL 0x2c /* [B] JTAG+ Control */
#define BBC_I2C_SEL 0x2d /* [B] I2C Selection */
#define BBC_I2C_0_S1 0x2e /* [B] I2C ctrlr-0 reg S1 */
#define BBC_I2C_0_S0 0x2f /* [B] I2C ctrlr-0 regs S0,S0',S2,S3*/
#define BBC_I2C_1_S1 0x30 /* [B] I2C ctrlr-1 reg S1 */
#define BBC_I2C_1_S0 0x31 /* [B] I2C ctrlr-1 regs S0,S0',S2,S3*/
#define BBC_KBD_BEEP 0x32 /* [B] Keyboard Beep */
#define BBC_KBD_BCNT 0x34 /* [W] Keyboard Beep Counter */
#define BBC_REGS_SIZE 0x40
/* There is a 2K scratch ram area at offset 0x80000 but I doubt
* we will use it for anything.
*/
/* Agent ID register. This register shows the Safari Agent ID
* for the processors. The value returned depends upon which
* cpu is reading the register.
*/
#define BBC_AID_ID 0x07 /* Safari ID */
#define BBC_AID_RESV 0xf8 /* Reserved */
/* Device Present register. One can determine which cpus are actually
* present in the machine by interrogating this register.
*/
#define BBC_DEVP_CPU0 0x01 /* Processor 0 present */
#define BBC_DEVP_CPU1 0x02 /* Processor 1 present */
#define BBC_DEVP_CPU2 0x04 /* Processor 2 present */
#define BBC_DEVP_CPU3 0x08 /* Processor 3 present */
#define BBC_DEVP_RESV 0xf0 /* Reserved */
/* Arbitration register. This register is used to block access to
* the BBC from a particular cpu.
*/
#define BBC_ARB_CPU0 0x01 /* Enable cpu 0 BBC arbitratrion */
#define BBC_ARB_CPU1 0x02 /* Enable cpu 1 BBC arbitratrion */
#define BBC_ARB_CPU2 0x04 /* Enable cpu 2 BBC arbitratrion */
#define BBC_ARB_CPU3 0x08 /* Enable cpu 3 BBC arbitratrion */
#define BBC_ARB_RESV 0xf0 /* Reserved */
/* Quiesce register. Bus and BBC segments for cpus can be disabled
* with this register, ie. for hot plugging.
*/
#define BBC_QUIESCE_S02 0x01 /* Quiesce Safari segment for cpu 0 and 2 */
#define BBC_QUIESCE_S13 0x02 /* Quiesce Safari segment for cpu 1 and 3 */
#define BBC_QUIESCE_B02 0x04 /* Quiesce BBC segment for cpu 0 and 2 */
#define BBC_QUIESCE_B13 0x08 /* Quiesce BBC segment for cpu 1 and 3 */
#define BBC_QUIESCE_FD0 0x10 /* Disable Fatal_Error[0] reporting */
#define BBC_QUIESCE_FD1 0x20 /* Disable Fatal_Error[1] reporting */
#define BBC_QUIESCE_FD2 0x40 /* Disable Fatal_Error[2] reporting */
#define BBC_QUIESCE_FD3 0x80 /* Disable Fatal_Error[3] reporting */
/* Watchdog Action register. When the watchdog device timer expires
* a line is enabled to the BBC. The action BBC takes when this line
* is asserted can be controlled by this regiser.
*/
#define BBC_WDACTION_RST 0x01 /* When set, watchdog causes system reset.
* When clear, BBC ignores watchdog signal.
*/
#define BBC_WDACTION_RESV 0xfe /* Reserved */
/* Soft_POR_GEN register. The POR (Power On Reset) signal may be asserted
* for specific processors or all processors via this register.
*/
#define BBC_SPG_CPU0 0x01 /* Assert POR for processor 0 */
#define BBC_SPG_CPU1 0x02 /* Assert POR for processor 1 */
#define BBC_SPG_CPU2 0x04 /* Assert POR for processor 2 */
#define BBC_SPG_CPU3 0x08 /* Assert POR for processor 3 */
#define BBC_SPG_CPUALL 0x10 /* Reset all processors and reset
* the entire system.
*/
#define BBC_SPG_RESV 0xe0 /* Reserved */
/* Soft_XIR_GEN register. The XIR (eXternally Initiated Reset) signal
* may be asserted to specific processors via this register.
*/
#define BBC_SXG_CPU0 0x01 /* Assert XIR for processor 0 */
#define BBC_SXG_CPU1 0x02 /* Assert XIR for processor 1 */
#define BBC_SXG_CPU2 0x04 /* Assert XIR for processor 2 */
#define BBC_SXG_CPU3 0x08 /* Assert XIR for processor 3 */
#define BBC_SXG_RESV 0xf0 /* Reserved */
/* POR Source register. One may identify the cause of the most recent
* reset by reading this register.
*/
#define BBC_PSRC_SPG0 0x0001 /* CPU 0 reset via BBC_SPG register */
#define BBC_PSRC_SPG1 0x0002 /* CPU 1 reset via BBC_SPG register */
#define BBC_PSRC_SPG2 0x0004 /* CPU 2 reset via BBC_SPG register */
#define BBC_PSRC_SPG3 0x0008 /* CPU 3 reset via BBC_SPG register */
#define BBC_PSRC_SPGSYS 0x0010 /* System reset via BBC_SPG register */
#define BBC_PSRC_JTAG 0x0020 /* System reset via JTAG+ */
#define BBC_PSRC_BUTTON 0x0040 /* System reset via push-button dongle */
#define BBC_PSRC_PWRUP 0x0080 /* System reset via power-up */
#define BBC_PSRC_FE0 0x0100 /* CPU 0 reported Fatal_Error */
#define BBC_PSRC_FE1 0x0200 /* CPU 1 reported Fatal_Error */
#define BBC_PSRC_FE2 0x0400 /* CPU 2 reported Fatal_Error */
#define BBC_PSRC_FE3 0x0800 /* CPU 3 reported Fatal_Error */
#define BBC_PSRC_FE4 0x1000 /* Schizo reported Fatal_Error */
#define BBC_PSRC_FE5 0x2000 /* Safari device 5 reported Fatal_Error */
#define BBC_PSRC_FE6 0x4000 /* CPMS reported Fatal_Error */
#define BBC_PSRC_SYNTH 0x8000 /* System reset when on-board clock synthesizers
* were updated.
*/
#define BBC_PSRC_WDT 0x10000 /* System reset via Super I/O watchdog */
#define BBC_PSRC_RSC 0x20000 /* System reset via RSC remote monitoring
* device
*/
/* XIR Source register. The source of an XIR event sent to a processor may
* be determined via this register.
*/
#define BBC_XSRC_SXG0 0x01 /* CPU 0 received XIR via Soft_XIR_GEN reg */
#define BBC_XSRC_SXG1 0x02 /* CPU 1 received XIR via Soft_XIR_GEN reg */
#define BBC_XSRC_SXG2 0x04 /* CPU 2 received XIR via Soft_XIR_GEN reg */
#define BBC_XSRC_SXG3 0x08 /* CPU 3 received XIR via Soft_XIR_GEN reg */
#define BBC_XSRC_JTAG 0x10 /* All CPUs received XIR via JTAG+ */
#define BBC_XSRC_W_OR_B 0x20 /* All CPUs received XIR either because:
* a) Super I/O watchdog fired, or
* b) XIR push button was activated
*/
#define BBC_XSRC_RESV 0xc0 /* Reserved */
/* Clock Synthesizers Control register. This register provides the big-bang
* programming interface to the two clock synthesizers of the machine.
*/
#define BBC_CSC_SLOAD 0x01 /* Directly connected to S_LOAD pins */
#define BBC_CSC_SDATA 0x02 /* Directly connected to S_DATA pins */
#define BBC_CSC_SCLOCK 0x04 /* Directly connected to S_CLOCK pins */
#define BBC_CSC_RESV 0x78 /* Reserved */
#define BBC_CSC_RST 0x80 /* Generate system reset when S_LOAD==1 */
/* Energy Star Control register. This register is used to generate the
* clock frequency change trigger to the main system devices (Schizo and
* the processors). The transition occurs when bits in this register
* go from 0 to 1, only one bit must be set at once else no action
* occurs. Basically the sequence of events is:
* a) Choose new frequency: full, 1/2 or 1/32
* b) Program this desired frequency into the cpus and Schizo.
* c) Set the same value in this register.
* d) 16 system clocks later, clear this register.
*/
#define BBC_ES_CTRL_1_1 0x01 /* Full frequency */
#define BBC_ES_CTRL_1_2 0x02 /* 1/2 frequency */
#define BBC_ES_CTRL_1_32 0x20 /* 1/32 frequency */
#define BBC_ES_RESV 0xdc /* Reserved */
/* Energy Star Assert Change Time register. This determines the number
* of BBC clock cycles (which is half the system frequency) between
* the detection of FREEZE_ACK being asserted and the assertion of
* the CLK_CHANGE_L[2:0] signals.
*/
#define BBC_ES_ACT_VAL 0xff
/* Energy Star Assert Bypass Time register. This determines the number
* of BBC clock cycles (which is half the system frequency) between
* the assertion of the CLK_CHANGE_L[2:0] signals and the assertion of
* the ESTAR_PLL_BYPASS signal.
*/
#define BBC_ES_ABT_VAL 0xffff
/* Energy Star PLL Settle Time register. This determines the number of
* BBC clock cycles (which is half the system frequency) between the
* de-assertion of CLK_CHANGE_L[2:0] and the de-assertion of the FREEZE_L
* signal.
*/
#define BBC_ES_PST_VAL 0xffffffff
/* Energy Star Frequency Switch Latency register. This is the number of
* BBC clocks between the de-assertion of CLK_CHANGE_L[2:0] and the first
* edge of the Safari clock at the new frequency.
*/
#define BBC_ES_FSL_VAL 0xffffffff
/* Keyboard Beep control register. This is a simple enabler for the audio
* beep sound.
*/
#define BBC_KBD_BEEP_ENABLE 0x01 /* Enable beep */
#define BBC_KBD_BEEP_RESV 0xfe /* Reserved */
/* Keyboard Beep Counter register. There is a free-running counter inside
* the BBC which runs at half the system clock. The bit set in this register
* determines when the audio sound is generated. So for example if bit
* 10 is set, the audio beep will oscillate at 1/(2**12). The keyboard beep
* generator automatically selects a different bit to use if the system clock
* is changed via Energy Star.
*/
#define BBC_KBD_BCNT_BITS 0x0007fc00
#define BBC_KBC_BCNT_RESV 0xfff803ff
#endif /* _SPARC64_BBC_H */
include/asm-sparc/bitops.h
浏览文件 @ f8b71a3a
/*
* bitops.h: Bit string operations on the Sparc.
*
* Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright 1996 Eddie C. Dost (ecd@skynet.be)
* Copyright 2001 Anton Blanchard (anton@samba.org)
*/
#ifndef _SPARC_BITOPS_H
#define _SPARC_BITOPS_H
#include <linux/compiler.h>
#include <asm/byteorder.h>
#ifdef __KERNEL__
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#ifndef ___ASM_SPARC_BITOPS_H
#define ___ASM_SPARC_BITOPS_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/bitops_64.h>
#else
#include <asm-sparc/bitops_32.h>
#endif
#endif
extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
/*
* Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0'
* is in the highest of the four bytes and bit '31' is the high bit
* within the first byte. Sparc is BIG-Endian. Unless noted otherwise
* all bit-ops return 0 if bit was previously clear and != 0 otherwise.
*/
static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___set_bit(ADDR, mask) != 0;
}
static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___set_bit(ADDR, mask);
}
static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___clear_bit(ADDR, mask) != 0;
}
static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___clear_bit(ADDR, mask);
}
static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___change_bit(ADDR, mask) != 0;
}
static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___change_bit(ADDR, mask);
}
#include <asm-generic/bitops/non-atomic.h>
#define smp_mb__before_clear_bit() do { } while(0)
#define smp_mb__after_clear_bit() do { } while(0)
#include <asm-generic/bitops/ffz.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/fls64.h>
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/lock.h>
#include <asm-generic/bitops/find.h>
#include <asm-generic/bitops/ext2-non-atomic.h>
#include <asm-generic/bitops/ext2-atomic.h>
#include <asm-generic/bitops/minix.h>
#endif /* __KERNEL__ */
#endif /* defined(_SPARC_BITOPS_H) */
include/asm-sparc/bitops_32.h 0 → 100644
浏览文件 @ f8b71a3a
/*
* bitops.h: Bit string operations on the Sparc.
*
* Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright 1996 Eddie C. Dost (ecd@skynet.be)
* Copyright 2001 Anton Blanchard (anton@samba.org)
*/
#ifndef _SPARC_BITOPS_H
#define _SPARC_BITOPS_H
#include <linux/compiler.h>
#include <asm/byteorder.h>
#ifdef __KERNEL__
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif
extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask);
/*
* Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0'
* is in the highest of the four bytes and bit '31' is the high bit
* within the first byte. Sparc is BIG-Endian. Unless noted otherwise
* all bit-ops return 0 if bit was previously clear and != 0 otherwise.
*/
static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___set_bit(ADDR, mask) != 0;
}
static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___set_bit(ADDR, mask);
}
static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___clear_bit(ADDR, mask) != 0;
}
static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___clear_bit(ADDR, mask);
}
static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
return ___change_bit(ADDR, mask) != 0;
}
static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *ADDR, mask;
ADDR = ((unsigned long *) addr) + (nr >> 5);
mask = 1 << (nr & 31);
(void) ___change_bit(ADDR, mask);
}
#include <asm-generic/bitops/non-atomic.h>
#define smp_mb__before_clear_bit() do { } while(0)
#define smp_mb__after_clear_bit() do { } while(0)
#include <asm-generic/bitops/ffz.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffs.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/fls64.h>
#include <asm-generic/bitops/hweight.h>
#include <asm-generic/bitops/lock.h>
#include <asm-generic/bitops/find.h>
#include <asm-generic/bitops/ext2-non-atomic.h>
#include <asm-generic/bitops/ext2-atomic.h>
#include <asm-generic/bitops/minix.h>
#endif /* __KERNEL__ */
#endif /* defined(_SPARC_BITOPS_H) */
include/asm-sparc/bitops_64.h 0 → 100644
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/*
* bitops.h: Bit string operations on the V9.
*
* Copyright 1996, 1997 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC64_BITOPS_H
#define _SPARC64_BITOPS_H
#ifndef _LINUX_BITOPS_H
#error only <linux/bitops.h> can be included directly
#endif
#include <linux/compiler.h>
#include <asm/byteorder.h>
extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr);
extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr);
extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr);
extern void set_bit(unsigned long nr, volatile unsigned long *addr);
extern void clear_bit(unsigned long nr, volatile unsigned long *addr);
extern void change_bit(unsigned long nr, volatile unsigned long *addr);
#include <asm-generic/bitops/non-atomic.h>
#ifdef CONFIG_SMP
#define smp_mb__before_clear_bit() membar_storeload_loadload()
#define smp_mb__after_clear_bit() membar_storeload_storestore()
#else
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
#endif
#include <asm-generic/bitops/ffz.h>
#include <asm-generic/bitops/__ffs.h>
#include <asm-generic/bitops/fls.h>
#include <asm-generic/bitops/__fls.h>
#include <asm-generic/bitops/fls64.h>
#ifdef __KERNEL__
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/ffs.h>
/*
* hweightN: returns the hamming weight (i.e. the number
* of bits set) of a N-bit word
*/
#ifdef ULTRA_HAS_POPULATION_COUNT
static inline unsigned int hweight64(unsigned long w)
{
unsigned int res;
__asm__ ("popc %1,%0" : "=r" (res) : "r" (w));
return res;
}
static inline unsigned int hweight32(unsigned int w)
{
unsigned int res;
__asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffffffff));
return res;
}
static inline unsigned int hweight16(unsigned int w)
{
unsigned int res;
__asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffff));
return res;
}
static inline unsigned int hweight8(unsigned int w)
{
unsigned int res;
__asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xff));
return res;
}
#else
#include <asm-generic/bitops/hweight.h>
#endif
#include <asm-generic/bitops/lock.h>
#endif /* __KERNEL__ */
#include <asm-generic/bitops/find.h>
#ifdef __KERNEL__
#include <asm-generic/bitops/ext2-non-atomic.h>
#define ext2_set_bit_atomic(lock,nr,addr) \
test_and_set_bit((nr) ^ 0x38,(unsigned long *)(addr))
#define ext2_clear_bit_atomic(lock,nr,addr) \
test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr))
#include <asm-generic/bitops/minix.h>
#endif /* __KERNEL__ */
#endif /* defined(_SPARC64_BITOPS_H) */
include/asm-sparc/cacheflush.h
浏览文件 @ f8b71a3a
#ifndef _SPARC_CACHEFLUSH_H
#define _SPARC_CACHEFLUSH_H
#include <linux/mm.h> /* Common for other includes */
// #include <linux/kernel.h> from pgalloc.h
// #include <linux/sched.h> from pgalloc.h
// #include <asm/page.h>
#include <asm/btfixup.h>
/*
* Fine grained cache flushing.
*/
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, local_flush_cache_all, void)
BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long)
#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()
#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)
#define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end)
#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)
BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long)
#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr)
#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)
extern void smp_flush_cache_all(void);
extern void smp_flush_cache_mm(struct mm_struct *mm);
extern void smp_flush_cache_range(struct vm_area_struct *vma,
unsigned long start,
unsigned long end);
extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page);
extern void smp_flush_page_to_ram(unsigned long page);
extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr);
#endif /* CONFIG_SMP */
BTFIXUPDEF_CALL(void, flush_cache_all, void)
BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long)
#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()
#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end)
#define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma, pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
#define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr)
#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)
extern void sparc_flush_page_to_ram(struct page *page);
#define flush_dcache_page(page) sparc_flush_page_to_ram(page)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
#endif /* _SPARC_CACHEFLUSH_H */
#ifndef ___ASM_SPARC_CACHEFLUSH_H
#define ___ASM_SPARC_CACHEFLUSH_H
#if defined(__sparc__) && defined(__arch64__)
#include <asm-sparc/cacheflush_64.h>
#else
#include <asm-sparc/cacheflush_32.h>
#endif
#endif
include/asm-sparc/cacheflush_32.h 0 → 100644
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#ifndef _SPARC_CACHEFLUSH_H
#define _SPARC_CACHEFLUSH_H
#include <linux/mm.h> /* Common for other includes */
// #include <linux/kernel.h> from pgalloc.h
// #include <linux/sched.h> from pgalloc.h
// #include <asm/page.h>
#include <asm/btfixup.h>
/*
* Fine grained cache flushing.
*/
#ifdef CONFIG_SMP
BTFIXUPDEF_CALL(void, local_flush_cache_all, void)
BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long)
#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)()
#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm)
#define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end)
#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr)
BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long)
#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr)
#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr)
extern void smp_flush_cache_all(void);
extern void smp_flush_cache_mm(struct mm_struct *mm);
extern void smp_flush_cache_range(struct vm_area_struct *vma,
unsigned long start,
unsigned long end);
extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page);
extern void smp_flush_page_to_ram(unsigned long page);
extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr);
#endif /* CONFIG_SMP */
BTFIXUPDEF_CALL(void, flush_cache_all, void)
BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *)
BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long)
BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long)
#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)()
#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm)
#define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end)
#define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr)
#define flush_icache_range(start, end) do { } while (0)
#define flush_icache_page(vma, pg) do { } while (0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page));\
memcpy(dst, src, len); \
} while (0)
BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long)
BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
#define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr)
#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr)
extern void sparc_flush_page_to_ram(struct page *page);
#define flush_dcache_page(page) sparc_flush_page_to_ram(page)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
#endif /* _SPARC_CACHEFLUSH_H */
include/asm-sparc/cacheflush_64.h 0 → 100644
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#ifndef _SPARC64_CACHEFLUSH_H
#define _SPARC64_CACHEFLUSH_H
#include <asm/page.h>
#ifndef __ASSEMBLY__
#include <linux/mm.h>
/* Cache flush operations. */
/* These are the same regardless of whether this is an SMP kernel or not. */
#define flush_cache_mm(__mm) \
do { if ((__mm) == current->mm) flushw_user(); } while(0)
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
#define flush_cache_range(vma, start, end) \
flush_cache_mm((vma)->vm_mm)
#define flush_cache_page(vma, page, pfn) \
flush_cache_mm((vma)->vm_mm)
/*
* On spitfire, the icache doesn't snoop local stores and we don't
* use block commit stores (which invalidate icache lines) during
* module load, so we need this.
*/
extern void flush_icache_range(unsigned long start, unsigned long end);
extern void __flush_icache_page(unsigned long);
extern void __flush_dcache_page(void *addr, int flush_icache);
extern void flush_dcache_page_impl(struct page *page);
#ifdef CONFIG_SMP
extern void smp_flush_dcache_page_impl(struct page *page, int cpu);
extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page);
#else
#define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page)
#define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page)
#endif
extern void __flush_dcache_range(unsigned long start, unsigned long end);
extern void flush_dcache_page(struct page *page);
#define flush_icache_page(vma, pg) do { } while(0)
#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
extern void flush_ptrace_access(struct vm_area_struct *, struct page *,
unsigned long uaddr, void *kaddr,
unsigned long len, int write);
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page)); \
memcpy(dst, src, len); \
flush_ptrace_access(vma, page, vaddr, src, len, 0); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page)); \
memcpy(dst, src, len); \
flush_ptrace_access(vma, page, vaddr, dst, len, 1); \
} while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
#define flush_cache_vmap(start, end) do { } while (0)
#define flush_cache_vunmap(start, end) do { } while (0)
#ifdef CONFIG_DEBUG_PAGEALLOC
/* internal debugging function */
void kernel_map_pages(struct page *page, int numpages, int enable);
#endif
#endif /* !__ASSEMBLY__ */
#endif /* _SPARC64_CACHEFLUSH_H */
include/asm-sparc/chafsr.h 0 → 100644
浏览文件 @ f8b71a3a
#ifndef _SPARC64_CHAFSR_H
#define _SPARC64_CHAFSR_H
/* Cheetah Asynchronous Fault Status register, ASI=0x4C VA<63:0>=0x0 */
/* Comments indicate which processor variants on which the bit definition
* is valid. Codes are:
* ch --> cheetah
* ch+ --> cheetah plus
* jp --> jalapeno
*/
/* All bits of this register except M_SYNDROME and E_SYNDROME are
* read, write 1 to clear. M_SYNDROME and E_SYNDROME are read-only.
*/
/* Software bit set by linux trap handlers to indicate that the trap was
* signalled at %tl >= 1.
*/
#define CHAFSR_TL1 (1UL << 63UL) /* n/a */
/* Unmapped error from system bus for prefetch queue or
* store queue read operation
*/
#define CHPAFSR_DTO (1UL << 59UL) /* ch+ */
/* Bus error from system bus for prefetch queue or store queue
* read operation
*/
#define CHPAFSR_DBERR (1UL << 58UL) /* ch+ */
/* Hardware corrected E-cache Tag ECC error */
#define CHPAFSR_THCE (1UL << 57UL) /* ch+ */
/* System interface protocol error, hw timeout caused */
#define JPAFSR_JETO (1UL << 57UL) /* jp */
/* SW handled correctable E-cache Tag ECC error */
#define CHPAFSR_TSCE (1UL << 56UL) /* ch+ */
/* Parity error on system snoop results */
#define JPAFSR_SCE (1UL << 56UL) /* jp */
/* Uncorrectable E-cache Tag ECC error */
#define CHPAFSR_TUE (1UL << 55UL) /* ch+ */
/* System interface protocol error, illegal command detected */
#define JPAFSR_JEIC (1UL << 55UL) /* jp */
/* Uncorrectable system bus data ECC error due to prefetch
* or store fill request
*/
#define CHPAFSR_DUE (1UL << 54UL) /* ch+ */
/* System interface protocol error, illegal ADTYPE detected */
#define JPAFSR_JEIT (1UL << 54UL) /* jp */
/* Multiple errors of the same type have occurred. This bit is set when
* an uncorrectable error or a SW correctable error occurs and the status
* bit to report that error is already set. When multiple errors of
* different types are indicated by setting multiple status bits.
*
* This bit is not set if multiple HW corrected errors with the same
* status bit occur, only uncorrectable and SW correctable ones have
* this behavior.
*
* This bit is not set when multiple ECC errors happen within a single
* 64-byte system bus transaction. Only the first ECC error in a 16-byte
* subunit will be logged. All errors in subsequent 16-byte subunits
* from the same 64-byte transaction are ignored.
*/
#define CHAFSR_ME (1UL << 53UL) /* ch,ch+,jp */
/* Privileged state error has occurred. This is a capture of PSTATE.PRIV
* at the time the error is detected.
*/
#define CHAFSR_PRIV (1UL << 52UL) /* ch,ch+,jp */
/* The following bits 51 (CHAFSR_PERR) to 33 (CHAFSR_CE) are sticky error
* bits and record the most recently detected errors. Bits accumulate
* errors that have been detected since the last write to clear the bit.
*/
/* System interface protocol error. The processor asserts its' ERROR
* pin when this event occurs and it also logs a specific cause code
* into a JTAG scannable flop.
*/
#define CHAFSR_PERR (1UL << 51UL) /* ch,ch+,jp */
/* Internal processor error. The processor asserts its' ERROR
* pin when this event occurs and it also logs a specific cause code
* into a JTAG scannable flop.
*/
#define CHAFSR_IERR (1UL << 50UL) /* ch,ch+,jp */
/* System request parity error on incoming address */
#define CHAFSR_ISAP (1UL << 49UL) /* ch,ch+,jp */
/* HW Corrected system bus MTAG ECC error */
#define CHAFSR_EMC (1UL << 48UL) /* ch,ch+ */
/* Parity error on L2 cache tag SRAM */
#define JPAFSR_ETP (1UL << 48UL) /* jp */
/* Uncorrectable system bus MTAG ECC error */
#define CHAFSR_EMU (1UL << 47UL) /* ch,ch+ */
/* Out of range memory error has occurred */
#define JPAFSR_OM (1UL << 47UL) /* jp */
/* HW Corrected system bus data ECC error for read of interrupt vector */
#define CHAFSR_IVC (1UL << 46UL) /* ch,ch+ */
/* Error due to unsupported store */
#define JPAFSR_UMS (1UL << 46UL) /* jp */
/* Uncorrectable system bus data ECC error for read of interrupt vector */
#define CHAFSR_IVU (1UL << 45UL) /* ch,ch+,jp */
/* Unmapped error from system bus */
#define CHAFSR_TO (1UL << 44UL) /* ch,ch+,jp */
/* Bus error response from system bus */
#define CHAFSR_BERR (1UL << 43UL) /* ch,ch+,jp */
/* SW Correctable E-cache ECC error for instruction fetch or data access
* other than block load.
*/
#define CHAFSR_UCC (1UL << 42UL) /* ch,ch+,jp */
/* Uncorrectable E-cache ECC error for instruction fetch or data access
* other than block load.
*/
#define CHAFSR_UCU (1UL << 41UL) /* ch,ch+,jp */
/* Copyout HW Corrected ECC error */
#define CHAFSR_CPC (1UL << 40UL) /* ch,ch+,jp */
/* Copyout Uncorrectable ECC error */
#define CHAFSR_CPU (1UL << 39UL) /* ch,ch+,jp */
/* HW Corrected ECC error from E-cache for writeback */
#define CHAFSR_WDC (1UL << 38UL) /* ch,ch+,jp */
/* Uncorrectable ECC error from E-cache for writeback */
#define CHAFSR_WDU (1UL << 37UL) /* ch,ch+,jp */
/* HW Corrected ECC error from E-cache for store merge or block load */
#define CHAFSR_EDC (1UL << 36UL) /* ch,ch+,jp */
/* Uncorrectable ECC error from E-cache for store merge or block load */
#define CHAFSR_EDU (1UL << 35UL) /* ch,ch+,jp */
/* Uncorrectable system bus data ECC error for read of memory or I/O */
#define CHAFSR_UE (1UL << 34UL) /* ch,ch+,jp */
/* HW Corrected system bus data ECC error for read of memory or I/O */
#define CHAFSR_CE (1UL << 33UL) /* ch,ch+,jp */
/* Uncorrectable ECC error from remote cache/memory */
#define JPAFSR_RUE (1UL << 32UL) /* jp */
/* Correctable ECC error from remote cache/memory */
#define JPAFSR_RCE (1UL << 31UL) /* jp */
/* JBUS parity error on returned read data */
#define JPAFSR_BP (1UL << 30UL) /* jp */
/* JBUS parity error on data for writeback or block store */
#define JPAFSR_WBP (1UL << 29UL) /* jp */
/* Foreign read to DRAM incurring correctable ECC error */
#define JPAFSR_FRC (1UL << 28UL) /* jp */
/* Foreign read to DRAM incurring uncorrectable ECC error */
#define JPAFSR_FRU (1UL << 27UL) /* jp */
#define CHAFSR_ERRORS (CHAFSR_PERR | CHAFSR_IERR | CHAFSR_ISAP | CHAFSR_EMC | \
CHAFSR_EMU | CHAFSR_IVC | CHAFSR_IVU | CHAFSR_TO | \
CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | CHAFSR_CPC | \
CHAFSR_CPU | CHAFSR_WDC | CHAFSR_WDU | CHAFSR_EDC | \
CHAFSR_EDU | CHAFSR_UE | CHAFSR_CE)
#define CHPAFSR_ERRORS (CHPAFSR_DTO | CHPAFSR_DBERR | CHPAFSR_THCE | \
CHPAFSR_TSCE | CHPAFSR_TUE | CHPAFSR_DUE | \
CHAFSR_PERR | CHAFSR_IERR | CHAFSR_ISAP | CHAFSR_EMC | \
CHAFSR_EMU | CHAFSR_IVC | CHAFSR_IVU | CHAFSR_TO | \
CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | CHAFSR_CPC | \
CHAFSR_CPU | CHAFSR_WDC | CHAFSR_WDU | CHAFSR_EDC | \
CHAFSR_EDU | CHAFSR_UE | CHAFSR_CE)
#define JPAFSR_ERRORS (JPAFSR_JETO | JPAFSR_SCE | JPAFSR_JEIC | \
JPAFSR_JEIT | CHAFSR_PERR | CHAFSR_IERR | \
CHAFSR_ISAP | JPAFSR_ETP | JPAFSR_OM | \
JPAFSR_UMS | CHAFSR_IVU | CHAFSR_TO | \
CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | \
CHAFSR_CPC | CHAFSR_CPU | CHAFSR_WDC | \
CHAFSR_WDU | CHAFSR_EDC | CHAFSR_EDU | \
CHAFSR_UE | CHAFSR_CE | JPAFSR_RUE | \
JPAFSR_RCE | JPAFSR_BP | JPAFSR_WBP | \
JPAFSR_FRC | JPAFSR_FRU)
/* Active JBUS request signal when error occurred */
#define JPAFSR_JBREQ (0x7UL << 24UL) /* jp */
#define JPAFSR_JBREQ_SHIFT 24UL
/* L2 cache way information */
#define JPAFSR_ETW (0x3UL << 22UL) /* jp */
#define JPAFSR_ETW_SHIFT 22UL
/* System bus MTAG ECC syndrome. This field captures the status of the
* first occurrence of the highest-priority error according to the M_SYND
* overwrite policy. After the AFSR sticky bit, corresponding to the error
* for which the M_SYND is reported, is cleared, the contents of the M_SYND
* field will be unchanged by will be unfrozen for further error capture.
*/
#define CHAFSR_M_SYNDROME (0xfUL << 16UL) /* ch,ch+,jp */
#define CHAFSR_M_SYNDROME_SHIFT 16UL
/* Agenid Id of the foreign device causing the UE/CE errors */
#define JPAFSR_AID (0x1fUL << 9UL) /* jp */
#define JPAFSR_AID_SHIFT 9UL
/* System bus or E-cache data ECC syndrome. This field captures the status
* of the first occurrence of the highest-priority error according to the
* E_SYND overwrite policy. After the AFSR sticky bit, corresponding to the
* error for which the E_SYND is reported, is cleare, the contents of the E_SYND
* field will be unchanged but will be unfrozen for further error capture.
*/
#define CHAFSR_E_SYNDROME (0x1ffUL << 0UL) /* ch,ch+,jp */
#define CHAFSR_E_SYNDROME_SHIFT 0UL
/* The AFSR must be explicitly cleared by software, it is not cleared automatically
* by a read. Writes to bits <51:33> with bits set will clear the corresponding
* bits in the AFSR. Bits associated with disrupting traps must be cleared before
* interrupts are re-enabled to prevent multiple traps for the same error. I.e.
* PSTATE.IE and AFSR bits control delivery of disrupting traps.
*
* Since there is only one AFAR, when multiple events have been logged by the
* bits in the AFSR, at most one of these events will have its status captured
* in the AFAR. The highest priority of those event bits will get AFAR logging.
* The AFAR will be unlocked and available to capture the address of another event
* as soon as the one bit in AFSR that corresponds to the event logged in AFAR is
* cleared. For example, if AFSR.CE is detected, then AFSR.UE (which overwrites
* the AFAR), and AFSR.UE is cleared by not AFSR.CE, then the AFAR will be unlocked
* and ready for another event, even though AFSR.CE is still set. The same rules
* also apply to the M_SYNDROME and E_SYNDROME fields of the AFSR.
*/
#endif /* _SPARC64_CHAFSR_H */
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#ifndef _SPARC64_CMT_H
#define _SPARC64_CMT_H
/* cmt.h: Chip Multi-Threading register definitions
*
* Copyright (C) 2004 David S. Miller (davem@redhat.com)
*/
/* ASI_CORE_ID - private */
#define LP_ID 0x0000000000000010UL
#define LP_ID_MAX 0x00000000003f0000UL
#define LP_ID_ID 0x000000000000003fUL
/* ASI_INTR_ID - private */
#define LP_INTR_ID 0x0000000000000000UL
#define LP_INTR_ID_ID 0x00000000000003ffUL
/* ASI_CESR_ID - private */
#define CESR_ID 0x0000000000000040UL
#define CESR_ID_ID 0x00000000000000ffUL
/* ASI_CORE_AVAILABLE - shared */
#define LP_AVAIL 0x0000000000000000UL
#define LP_AVAIL_1 0x0000000000000002UL
#define LP_AVAIL_0 0x0000000000000001UL
/* ASI_CORE_ENABLE_STATUS - shared */
#define LP_ENAB_STAT 0x0000000000000010UL
#define LP_ENAB_STAT_1 0x0000000000000002UL
#define LP_ENAB_STAT_0 0x0000000000000001UL
/* ASI_CORE_ENABLE - shared */
#define LP_ENAB 0x0000000000000020UL
#define LP_ENAB_1 0x0000000000000002UL
#define LP_ENAB_0 0x0000000000000001UL
/* ASI_CORE_RUNNING - shared */
#define LP_RUNNING_RW 0x0000000000000050UL
#define LP_RUNNING_W1S 0x0000000000000060UL
#define LP_RUNNING_W1C 0x0000000000000068UL
#define LP_RUNNING_1 0x0000000000000002UL
#define LP_RUNNING_0 0x0000000000000001UL
/* ASI_CORE_RUNNING_STAT - shared */
#define LP_RUN_STAT 0x0000000000000058UL
#define LP_RUN_STAT_1 0x0000000000000002UL
#define LP_RUN_STAT_0 0x0000000000000001UL
/* ASI_XIR_STEERING - shared */
#define LP_XIR_STEER 0x0000000000000030UL
#define LP_XIR_STEER_1 0x0000000000000002UL
#define LP_XIR_STEER_0 0x0000000000000001UL
/* ASI_CMT_ERROR_STEERING - shared */
#define CMT_ER_STEER 0x0000000000000040UL
#define CMT_ER_STEER_1 0x0000000000000002UL
#define CMT_ER_STEER_0 0x0000000000000001UL
#endif /* _SPARC64_CMT_H */
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#ifndef _COMPAT_SIGNAL_H
#define _COMPAT_SIGNAL_H
#include <linux/compat.h>
#include <asm/signal.h>
#ifdef CONFIG_COMPAT
struct __new_sigaction32 {
unsigned sa_handler;
unsigned int sa_flags;
unsigned sa_restorer; /* not used by Linux/SPARC yet */
compat_sigset_t sa_mask;
};
struct __old_sigaction32 {
unsigned sa_handler;
compat_old_sigset_t sa_mask;
unsigned int sa_flags;
unsigned sa_restorer; /* not used by Linux/SPARC yet */
};
typedef struct sigaltstack32 {
u32 ss_sp;
int ss_flags;
compat_size_t ss_size;
} stack_t32;
#endif
#endif /* !(_COMPAT_SIGNAL_H) */
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include/asm-sparc64/scratchpad.h
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include/asm-sparc64/seccomp.h
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include/asm-sparc64/sections.h
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include/asm-sparc64/semaphore.h
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include/asm-sparc64/sembuf.h
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include/asm-sparc64/setup.h
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include/asm-sparc64/sfafsr.h
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include/asm-sparc64/sfp-machine.h
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include/asm-sparc64/shmbuf.h
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include/asm-sparc64/shmparam.h
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include/asm-sparc64/sigcontext.h
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include/asm-sparc64/siginfo.h
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include/asm-sparc64/signal.h
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include/asm-sparc64/smp.h
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include/asm-sparc64/socket.h
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include/asm-sparc64/sockios.h
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include/asm-sparc64/sparsemem.h
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include/asm-sparc64/spinlock.h
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include/asm-sparc64/spitfire.h
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include/asm-sparc64/sstate.h
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include/asm-sparc64/stacktrace.h
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include/asm-sparc64/starfire.h
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include/asm-sparc64/stat.h
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include/asm-sparc64/statfs.h
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include/asm-sparc64/string.h
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include/asm-sparc64/sunbpp.h
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include/asm-sparc64/syscalls.h
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include/asm-sparc64/system.h
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include/asm-sparc64/termbits.h
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include/asm-sparc64/termios.h
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include/asm-sparc64/thread_info.h
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include/asm-sparc64/timer.h
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include/asm-sparc64/timex.h
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include/asm-sparc64/tlb.h
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include/asm-sparc64/tlbflush.h
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include/asm-sparc64/topology.h
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include/asm-sparc64/tsb.h
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include/asm-sparc64/ttable.h
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include/asm-sparc64/types.h
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include/asm-sparc64/uaccess.h
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include/asm-sparc64/uctx.h
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include/asm-sparc64/unaligned.h
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include/asm-sparc64/unistd.h
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include/asm-sparc64/upa.h
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include/asm-sparc64/utrap.h
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include/asm-sparc64/vga.h
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include/asm-sparc64/vio.h
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include/asm-sparc64/visasm.h
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include/asm-sparc64/watchdog.h
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include/asm-sparc64/xor.h
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