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提交 9f04b9e3 编写于 作者: P Paul Mackerras
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powerpc: Merged processor.h. 

This adds register definitions from the ppc64 processor.h to reg.h,
and makes a single merged processor.h.  I moved __is_processor from
the ppc64 system.h to the merged reg.h along with the PVR register
constants.
Signed-off-by: NPaul Mackerras <paulus@samba.org>
上级 b60fc8bb
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Showing with 353 addition and 687 deletion
include/asm-ppc/processor.h → include/asm-powerpc/processor.h
浏览文件 @ 9f04b9e3
#ifdef __KERNEL__
#ifndef __ASM_PPC_PROCESSOR_H
#define __ASM_PPC_PROCESSOR_H
#ifndef _ASM_POWERPC_PROCESSOR_H
#define _ASM_POWERPC_PROCESSOR_H
/*
* Default implementation of macro that returns current
* instruction pointer ("program counter").
* Copyright (C) 2001 PPC 64 Team, IBM Corp
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
#include <linux/config.h>
#include <linux/stringify.h>
#include <asm/reg.h>
#ifndef __ASSEMBLY__
#include <linux/compiler.h>
#include <asm/ptrace.h>
#include <asm/types.h>
#include <asm/mpc8xx.h>
#include <asm/reg.h>
#ifdef CONFIG_PPC64
#include <asm/systemcfg.h>
#endif
#ifdef CONFIG_PPC32
/* 32-bit platform types */
/* We only need to define a new _MACH_xxx for machines which are part of
* a configuration which supports more than one type of different machine.
* This is currently limited to CONFIG_PPC_MULTIPLATFORM and CHRP/PReP/PMac.
......@@ -36,20 +43,6 @@
#define _CHRP_IBM 0x05 /* IBM chrp, the longtrail and longtrail 2 */
#define _CHRP_Pegasos 0x06 /* Genesi/bplan's Pegasos and Pegasos2 */
#define _GLOBAL(n)\
.stabs __stringify(n:F-1),N_FUN,0,0,n;\
.globl n;\
n:
/*
* this is the minimum allowable io space due to the location
* of the io areas on prep (first one at 0x80000000) but
* as soon as I get around to remapping the io areas with the BATs
* to match the mac we can raise this. -- Cort
*/
#define TASK_SIZE (CONFIG_TASK_SIZE)
#ifndef __ASSEMBLY__
#ifdef CONFIG_PPC_MULTIPLATFORM
extern int _machine;
......@@ -67,17 +60,49 @@ extern unsigned char ucBoardRevMaj, ucBoardRevMin;
#else
#define _machine 0
#endif /* CONFIG_PPC_MULTIPLATFORM */
#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC64
/* Platforms supported by PPC64 */
#define PLATFORM_PSERIES 0x0100
#define PLATFORM_PSERIES_LPAR 0x0101
#define PLATFORM_ISERIES_LPAR 0x0201
#define PLATFORM_LPAR 0x0001
#define PLATFORM_POWERMAC 0x0400
#define PLATFORM_MAPLE 0x0500
#define PLATFORM_BPA 0x1000
/* Compatibility with drivers coming from PPC32 world */
#define _machine (systemcfg->platform)
#define _MACH_Pmac PLATFORM_POWERMAC
#endif
/*
* Default implementation of macro that returns current
* instruction pointer ("program counter").
*/
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
/* Macros for adjusting thread priority (hardware multi-threading) */
#define HMT_very_low() asm volatile("or 31,31,31 # very low priority")
#define HMT_low() asm volatile("or 1,1,1 # low priority")
#define HMT_medium_low() asm volatile("or 6,6,6 # medium low priority")
#define HMT_medium() asm volatile("or 2,2,2 # medium priority")
#define HMT_medium_high() asm volatile("or 5,5,5 # medium high priority")
#define HMT_high() asm volatile("or 3,3,3 # high priority")
#ifdef __KERNEL__
extern int have_of;
struct task_struct;
void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp);
void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp);
void release_thread(struct task_struct *);
/* Prepare to copy thread state - unlazy all lazy status */
extern void prepare_to_copy(struct task_struct *tsk);
/*
* Create a new kernel thread.
*/
/* Create a new kernel thread. */
extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
/* Lazy FPU handling on uni-processor */
......@@ -85,10 +110,37 @@ extern struct task_struct *last_task_used_math;
extern struct task_struct *last_task_used_altivec;
extern struct task_struct *last_task_used_spe;
#ifdef CONFIG_PPC32
#define TASK_SIZE (CONFIG_TASK_SIZE)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
*/
#define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3)
#endif
#ifdef CONFIG_PPC64
/* 64-bit user address space is 44-bits (16TB user VM) */
#define TASK_SIZE_USER64 (0x0000100000000000UL)
/*
* 32-bit user address space is 4GB - 1 page
* (this 1 page is needed so referencing of 0xFFFFFFFF generates EFAULT
*/
#define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE))
#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
TASK_SIZE_USER32 : TASK_SIZE_USER64)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
*/
#define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4))
#define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)) ? \
TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
#endif
typedef struct {
unsigned long seg;
......@@ -96,18 +148,31 @@ typedef struct {
struct thread_struct {
unsigned long ksp; /* Kernel stack pointer */
#ifdef CONFIG_PPC64
unsigned long ksp_vsid;
#endif
struct pt_regs *regs; /* Pointer to saved register state */
mm_segment_t fs; /* for get_fs() validation */
#ifdef CONFIG_PPC32
void *pgdir; /* root of page-table tree */
int fpexc_mode; /* floating-point exception mode */
signed long last_syscall;
#endif
#if defined(CONFIG_4xx) || defined (CONFIG_BOOKE)
unsigned long dbcr0; /* debug control register values */
unsigned long dbcr1;
#endif
double fpr[32]; /* Complete floating point set */
#ifdef CONFIG_PPC32
unsigned long fpscr_pad; /* fpr ... fpscr must be contiguous */
#endif
unsigned long fpscr; /* Floating point status */
int fpexc_mode; /* floating-point exception mode */
#ifdef CONFIG_PPC64
unsigned long start_tb; /* Start purr when proc switched in */
unsigned long accum_tb; /* Total accumilated purr for process */
unsigned long vdso_base; /* base of the vDSO library */
#endif
unsigned long dabr; /* Data address breakpoint register */
#ifdef CONFIG_ALTIVEC
/* Complete AltiVec register set */
vector128 vr[32] __attribute((aligned(16)));
......@@ -128,51 +193,58 @@ struct thread_struct {
#define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack)
#ifdef CONFIG_PPC32
#define INIT_THREAD { \
.ksp = INIT_SP, \
.fs = KERNEL_DS, \
.pgdir = swapper_pg_dir, \
.fpexc_mode = MSR_FE0 | MSR_FE1, \
}
#else
#define INIT_THREAD { \
.ksp = INIT_SP, \
.regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \
.fs = KERNEL_DS, \
.fpr = {0}, \
.fpscr = 0, \
.fpexc_mode = MSR_FE0|MSR_FE1, \
}
#endif
/*
* Return saved PC of a blocked thread. For now, this is the "user" PC
*/
#define thread_saved_pc(tsk) \
((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
#define thread_saved_pc(tsk) \
((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
#define KSTK_ESP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0)
#define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
#define KSTK_ESP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0)
/* Get/set floating-point exception mode */
#define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr))
#define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val))
#define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr))
#define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val))
extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr);
extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
static inline unsigned int __unpack_fe01(unsigned int msr_bits)
static inline unsigned int __unpack_fe01(unsigned long msr_bits)
{
return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8);
}
static inline unsigned int __pack_fe01(unsigned int fpmode)
static inline unsigned long __pack_fe01(unsigned int fpmode)
{
return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1);
}
/* in process.c - for early bootup debug -- Cort */
int ll_printk(const char *, ...);
void ll_puts(const char *);
/* In misc.c */
void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
#define have_of (_machine == _MACH_chrp || _machine == _MACH_Pmac)
#ifdef CONFIG_PPC64
#define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0)
#else
#define cpu_relax() barrier()
#endif
/*
* Prefetch macros.
......@@ -181,21 +253,28 @@ void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
#define ARCH_HAS_PREFETCHW
#define ARCH_HAS_SPINLOCK_PREFETCH
extern inline void prefetch(const void *x)
static inline void prefetch(const void *x)
{
__asm__ __volatile__ ("dcbt 0,%0" : : "r" (x));
if (unlikely(!x))
return;
__asm__ __volatile__ ("dcbt 0,%0" : : "r" (x));
}
extern inline void prefetchw(const void *x)
static inline void prefetchw(const void *x)
{
__asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x));
if (unlikely(!x))
return;
__asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x));
}
#define spin_lock_prefetch(x) prefetchw(x)
extern int emulate_altivec(struct pt_regs *regs);
#endif /* !__ASSEMBLY__ */
#ifdef CONFIG_PPC64
#define HAVE_ARCH_PICK_MMAP_LAYOUT
#endif
#endif /* __ASM_PPC_PROCESSOR_H */
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_PROCESSOR_H */
include/asm-powerpc/reg.h
浏览文件 @ 9f04b9e3
......@@ -6,53 +6,95 @@
* Implementations of the PowerPC Architecture (a.k.a. Green Book) here.
*/
#ifndef _ASM_POWERPC_REGS_H
#define _ASM_POWERPC_REGS_H
#ifndef _ASM_POWERPC_REG_H
#define _ASM_POWERPC_REG_H
#ifdef __KERNEL__
#include <linux/stringify.h>
#include <asm/cputable.h>
/* Pickup Book E specific registers. */
#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
#include <asm/reg_booke.h>
#endif
/* Machine State Register (MSR) Fields */
#define MSR_SF (1<<63)
#define MSR_ISF (1<<61)
#define MSR_VEC (1<<25) /* Enable AltiVec */
#define MSR_POW (1<<18) /* Enable Power Management */
#define MSR_WE (1<<18) /* Wait State Enable */
#define MSR_TGPR (1<<17) /* TLB Update registers in use */
#define MSR_CE (1<<17) /* Critical Interrupt Enable */
#define MSR_ILE (1<<16) /* Interrupt Little Endian */
#define MSR_EE (1<<15) /* External Interrupt Enable */
#define MSR_PR (1<<14) /* Problem State / Privilege Level */
#define MSR_FP (1<<13) /* Floating Point enable */
#define MSR_ME (1<<12) /* Machine Check Enable */
#define MSR_FE0 (1<<11) /* Floating Exception mode 0 */
#define MSR_SE (1<<10) /* Single Step */
#define MSR_BE (1<<9) /* Branch Trace */
#define MSR_DE (1<<9) /* Debug Exception Enable */
#define MSR_FE1 (1<<8) /* Floating Exception mode 1 */
#define MSR_IP (1<<6) /* Exception prefix 0x000/0xFFF */
#define MSR_IR (1<<5) /* Instruction Relocate */
#define MSR_DR (1<<4) /* Data Relocate */
#define MSR_PE (1<<3) /* Protection Enable */
#define MSR_PX (1<<2) /* Protection Exclusive Mode */
#define MSR_RI (1<<1) /* Recoverable Exception */
#define MSR_LE (1<<0) /* Little Endian */
#define MSR_SF_LG 63 /* Enable 64 bit mode */
#define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */
#define MSR_HV_LG 60 /* Hypervisor state */
#define MSR_VEC_LG 25 /* Enable AltiVec */
#define MSR_POW_LG 18 /* Enable Power Management */
#define MSR_WE_LG 18 /* Wait State Enable */
#define MSR_TGPR_LG 17 /* TLB Update registers in use */
#define MSR_CE_LG 17 /* Critical Interrupt Enable */
#define MSR_ILE_LG 16 /* Interrupt Little Endian */
#define MSR_EE_LG 15 /* External Interrupt Enable */
#define MSR_PR_LG 14 /* Problem State / Privilege Level */
#define MSR_FP_LG 13 /* Floating Point enable */
#define MSR_ME_LG 12 /* Machine Check Enable */
#define MSR_FE0_LG 11 /* Floating Exception mode 0 */
#define MSR_SE_LG 10 /* Single Step */
#define MSR_BE_LG 9 /* Branch Trace */
#define MSR_DE_LG 9 /* Debug Exception Enable */
#define MSR_FE1_LG 8 /* Floating Exception mode 1 */
#define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */
#define MSR_IR_LG 5 /* Instruction Relocate */
#define MSR_DR_LG 4 /* Data Relocate */
#define MSR_PE_LG 3 /* Protection Enable */
#define MSR_PX_LG 2 /* Protection Exclusive Mode */
#define MSR_PMM_LG 2 /* Performance monitor */
#define MSR_RI_LG 1 /* Recoverable Exception */
#define MSR_LE_LG 0 /* Little Endian */
#ifdef __ASSEMBLY__
#define __MASK(X) (1<<(X))
#else
#define __MASK(X) (1UL<<(X))
#endif
#define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */
#define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */
#define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */
#define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */
#define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */
#define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */
#define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */
#define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */
#define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */
#define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */
#define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */
#define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */
#define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */
#define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */
#define MSR_SE __MASK(MSR_SE_LG) /* Single Step */
#define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */
#define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */
#define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */
#define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */
#define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */
#define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */
#define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */
#define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */
#define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */
#define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */
#define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */
#ifdef CONFIG_PPC64
#define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF
#define MSR_KERNEL MSR_ | MSR_SF | MSR_HV
#define MSR_USER32 MSR_ | MSR_PR | MSR_EE
#define MSR_USER64 MSR_USER32 | MSR_SF
#else /* 32-bit */
/* Default MSR for kernel mode. */
#ifdef CONFIG_APUS_FAST_EXCEPT
#define MSR_KERNEL (MSR_ME|MSR_IP|MSR_RI|MSR_IR|MSR_DR)
#endif
#ifndef MSR_KERNEL
#else
#define MSR_KERNEL (MSR_ME|MSR_RI|MSR_IR|MSR_DR)
#endif
#define MSR_USER (MSR_KERNEL|MSR_PR|MSR_EE)
#endif
/* Floating Point Status and Control Register (FPSCR) Fields */
#define FPSCR_FX 0x80000000 /* FPU exception summary */
......@@ -85,6 +127,9 @@
/* Special Purpose Registers (SPRNs)*/
#define SPRN_CTR 0x009 /* Count Register */
#define SPRN_CTRLF 0x088
#define SPRN_CTRLT 0x098
#define CTRL_RUNLATCH 0x1
#define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */
#define DABR_TRANSLATION (1UL << 2)
#define SPRN_DAR 0x013 /* Data Address Register */
......@@ -193,6 +238,16 @@
#define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
#define SPRN_HID4 0x3F4 /* 970 HID4 */
#define SPRN_HID5 0x3F6 /* 970 HID5 */
#define SPRN_HID6 0x3F9 /* BE HID 6 */
#define HID6_LB (0x0F<<12) /* Concurrent Large Page Modes */
#define HID6_DLP (1<<20) /* Disable all large page modes (4K only) */
#define SPRN_TSCR 0x399 /* Thread switch control on BE */
#define SPRN_TTR 0x39A /* Thread switch timeout on BE */
#define TSCR_DEC_ENABLE 0x200000 /* Decrementer Interrupt */
#define TSCR_EE_ENABLE 0x100000 /* External Interrupt */
#define TSCR_EE_BOOST 0x080000 /* External Interrupt Boost */
#define SPRN_TSC 0x3FD /* Thread switch control on others */
#define SPRN_TST 0x3FC /* Thread switch timeout on others */
#if !defined(SPRN_IAC1) && !defined(SPRN_IAC2)
#define SPRN_IAC1 0x3F4 /* Instruction Address Compare 1 */
#define SPRN_IAC2 0x3F5 /* Instruction Address Compare 2 */
......@@ -276,22 +331,18 @@
#define L3CR_L3DO 0x00000040 /* L3 data only mode */
#define L3CR_PMEN 0x00000004 /* L3 private memory enable */
#define L3CR_PMSIZ 0x00000001 /* L3 private memory size */
#define SPRN_MSSCR0 0x3f6 /* Memory Subsystem Control Register 0 */
#define SPRN_MSSSR0 0x3f7 /* Memory Subsystem Status Register 1 */
#define SPRN_LDSTCR 0x3f8 /* Load/Store control register */
#define SPRN_LDSTDB 0x3f4 /* */
#define SPRN_LR 0x008 /* Link Register */
#define SPRN_MMCR0 0x3B8 /* Monitor Mode Control Register 0 */
#define SPRN_MMCR1 0x3BC /* Monitor Mode Control Register 1 */
#ifndef SPRN_PIR
#define SPRN_PIR 0x3FF /* Processor Identification Register */
#endif
#define SPRN_PMC1 0x3B9 /* Performance Counter Register 1 */
#define SPRN_PMC2 0x3BA /* Performance Counter Register 2 */
#define SPRN_PMC3 0x3BD /* Performance Counter Register 3 */
#define SPRN_PMC4 0x3BE /* Performance Counter Register 4 */
#define SPRN_PTEHI 0x3D5 /* 981 7450 PTE HI word (S/W TLB load) */
#define SPRN_PTELO 0x3D6 /* 982 7450 PTE LO word (S/W TLB load) */
#define SPRN_PURR 0x135 /* Processor Utilization of Resources Reg */
#define SPRN_PVR 0x11F /* Processor Version Register */
#define SPRN_RPA 0x3D6 /* Required Physical Address Register */
#define SPRN_SDA 0x3BF /* Sampled Data Address Register */
......@@ -333,6 +384,52 @@
#define SPRN_VRSAVE 0x100 /* Vector Register Save Register */
#define SPRN_XER 0x001 /* Fixed Point Exception Register */
/* Performance monitor SPRs */
#ifdef CONFIG_PPC64
#define SPRN_MMCR0 795
#define MMCR0_FC 0x80000000UL /* freeze counters */
#define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */
#define MMCR0_KERNEL_DISABLE MMCR0_FCS
#define MMCR0_FCP 0x20000000UL /* freeze in problem state */
#define MMCR0_PROBLEM_DISABLE MMCR0_FCP
#define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */
#define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */
#define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */
#define MMCR0_FCECE 0x02000000UL /* freeze ctrs on enabled cond or event */
#define MMCR0_TBEE 0x00400000UL /* time base exception enable */
#define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
#define MMCR0_PMCjCE 0x00004000UL /* PMCj count enable*/
#define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
#define MMCR0_PMAO 0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */
#define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */
#define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */
#define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */
#define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
#define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
#define SPRN_MMCR1 798
#define SPRN_MMCRA 0x312
#define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */
#define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */
#define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */
#define SPRN_PMC1 787
#define SPRN_PMC2 788
#define SPRN_PMC3 789
#define SPRN_PMC4 790
#define SPRN_PMC5 791
#define SPRN_PMC6 792
#define SPRN_PMC7 793
#define SPRN_PMC8 794
#define SPRN_SIAR 780
#define SPRN_SDAR 781
#else /* 32-bit */
#define SPRN_MMCR0 0x3B8 /* Monitor Mode Control Register 0 */
#define SPRN_MMCR1 0x3BC /* Monitor Mode Control Register 1 */
#define SPRN_PMC1 0x3B9 /* Performance Counter Register 1 */
#define SPRN_PMC2 0x3BA /* Performance Counter Register 2 */
#define SPRN_PMC3 0x3BD /* Performance Counter Register 3 */
#define SPRN_PMC4 0x3BE /* Performance Counter Register 4 */
/* Bit definitions for MMCR0 and PMC1 / PMC2. */
#define MMCR0_PMC1_CYCLES (1 << 7)
#define MMCR0_PMC1_ICACHEMISS (5 << 7)
......@@ -342,14 +439,15 @@
#define MMCR0_PMC2_ITLB 0x7
#define MMCR0_PMC2_LOADMISSTIME 0x5
#define MMCR0_PMXE (1 << 26)
/* Processor Version Register */
#endif
/* Processor Version Register (PVR) field extraction */
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
#define __is_processor(pv) (PVR_VER(mfspr(SPRN_PVR)) == (pv))
/*
* IBM has further subdivided the standard PowerPC 16-bit version and
* revision subfields of the PVR for the PowerPC 403s into the following:
......@@ -405,42 +503,105 @@
#define PVR_8245 0x80811014
#define PVR_8260 PVR_8240
#if 0
/* Segment Registers */
#define SR0 0
#define SR1 1
#define SR2 2
#define SR3 3
#define SR4 4
#define SR5 5
#define SR6 6
#define SR7 7
#define SR8 8
#define SR9 9
#define SR10 10
#define SR11 11
#define SR12 12
#define SR13 13
#define SR14 14
#define SR15 15
#endif
/* 64-bit processors */
/* XXX the prefix should be PVR_, we'll do a global sweep to fix it one day */
#define PV_NORTHSTAR 0x0033
#define PV_PULSAR 0x0034
#define PV_POWER4 0x0035
#define PV_ICESTAR 0x0036
#define PV_SSTAR 0x0037
#define PV_POWER4p 0x0038
#define PV_970 0x0039
#define PV_POWER5 0x003A
#define PV_POWER5p 0x003B
#define PV_970FX 0x003C
#define PV_630 0x0040
#define PV_630p 0x0041
#define PV_970MP 0x0044
#define PV_BE 0x0070
/*
* Number of entries in the SLB. If this ever changes we should handle
* it with a use a cpu feature fixup.
*/
#define SLB_NUM_ENTRIES 64
/* Macros for setting and retrieving special purpose registers */
#ifndef __ASSEMBLY__
#define mfmsr() ({unsigned int rval; \
#define mfmsr() ({unsigned long rval; \
asm volatile("mfmsr %0" : "=r" (rval)); rval;})
#ifdef CONFIG_PPC64
#define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \
: : "r" (v))
#define mtmsrd(v) __mtmsrd((v), 0)
#else
#define mtmsr(v) asm volatile("mtmsr %0" : : "r" (v))
#endif
#define mfspr(rn) ({unsigned int rval; \
#define mfspr(rn) ({unsigned long rval; \
asm volatile("mfspr %0," __stringify(rn) \
: "=r" (rval)); rval;})
#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
#define mftb() ({unsigned long rval; \
asm volatile("mftb %0" : "=r" (rval)); rval;})
#define mftbl() ({unsigned long rval; \
asm volatile("mftbl %0" : "=r" (rval)); rval;})
#define mttbl(v) asm volatile("mttbl %0":: "r"(v))
#define mttbu(v) asm volatile("mttbu %0":: "r"(v))
#ifdef CONFIG_PPC32
#define mfsrin(v) ({unsigned int rval; \
asm volatile("mfsrin %0,%1" : "=r" (rval) : "r" (v)); \
rval;})
#endif
#define proc_trap() asm volatile("trap")
#ifdef CONFIG_PPC64
static inline void ppc64_runlatch_on(void)
{
unsigned long ctrl;
if (cpu_has_feature(CPU_FTR_CTRL)) {
ctrl = mfspr(SPRN_CTRLF);
ctrl |= CTRL_RUNLATCH;
mtspr(SPRN_CTRLT, ctrl);
}
}
static inline void ppc64_runlatch_off(void)
{
unsigned long ctrl;
if (cpu_has_feature(CPU_FTR_CTRL)) {
ctrl = mfspr(SPRN_CTRLF);
ctrl &= ~CTRL_RUNLATCH;
mtspr(SPRN_CTRLT, ctrl);
}
}
static inline void set_tb(unsigned int upper, unsigned int lower)
{
mttbl(0);
mttbu(upper);
mttbl(lower);
}
#endif
#define __get_SP() ({unsigned long sp; \
asm volatile("mr %0,1": "=r" (sp)); sp;})
#else /* __ASSEMBLY__ */
#define RUNLATCH_ON(REG) \
BEGIN_FTR_SECTION \
mfspr (REG),SPRN_CTRLF; \
ori (REG),(REG),CTRL_RUNLATCH; \
mtspr SPRN_CTRLT,(REG); \
END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_REGS_H */
#endif /* _ASM_POWERPC_REG_H */
include/asm-ppc64/processor.h 已删除 100644 → 0
浏览文件 @ b60fc8bb
#ifndef __ASM_PPC64_PROCESSOR_H
#define __ASM_PPC64_PROCESSOR_H
/*
* Copyright (C) 2001 PPC 64 Team, IBM Corp
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/stringify.h>
#ifndef __ASSEMBLY__
#include <linux/config.h>
#include <asm/atomic.h>
#include <asm/ppcdebug.h>
#include <asm/a.out.h>
#endif
#include <asm/ptrace.h>
#include <asm/types.h>
#include <asm/systemcfg.h>
#include <asm/cputable.h>
/* Machine State Register (MSR) Fields */
#define MSR_SF_LG 63 /* Enable 64 bit mode */
#define MSR_ISF_LG 61 /* Interrupt 64b mode valid on 630 */
#define MSR_HV_LG 60 /* Hypervisor state */
#define MSR_VEC_LG 25 /* Enable AltiVec */
#define MSR_POW_LG 18 /* Enable Power Management */
#define MSR_WE_LG 18 /* Wait State Enable */
#define MSR_TGPR_LG 17 /* TLB Update registers in use */
#define MSR_CE_LG 17 /* Critical Interrupt Enable */
#define MSR_ILE_LG 16 /* Interrupt Little Endian */
#define MSR_EE_LG 15 /* External Interrupt Enable */
#define MSR_PR_LG 14 /* Problem State / Privilege Level */
#define MSR_FP_LG 13 /* Floating Point enable */
#define MSR_ME_LG 12 /* Machine Check Enable */
#define MSR_FE0_LG 11 /* Floating Exception mode 0 */
#define MSR_SE_LG 10 /* Single Step */
#define MSR_BE_LG 9 /* Branch Trace */
#define MSR_DE_LG 9 /* Debug Exception Enable */
#define MSR_FE1_LG 8 /* Floating Exception mode 1 */
#define MSR_IP_LG 6 /* Exception prefix 0x000/0xFFF */
#define MSR_IR_LG 5 /* Instruction Relocate */
#define MSR_DR_LG 4 /* Data Relocate */
#define MSR_PE_LG 3 /* Protection Enable */
#define MSR_PX_LG 2 /* Protection Exclusive Mode */
#define MSR_PMM_LG 2 /* Performance monitor */
#define MSR_RI_LG 1 /* Recoverable Exception */
#define MSR_LE_LG 0 /* Little Endian */
#ifdef __ASSEMBLY__
#define __MASK(X) (1<<(X))
#else
#define __MASK(X) (1UL<<(X))
#endif
#define MSR_SF __MASK(MSR_SF_LG) /* Enable 64 bit mode */
#define MSR_ISF __MASK(MSR_ISF_LG) /* Interrupt 64b mode valid on 630 */
#define MSR_HV __MASK(MSR_HV_LG) /* Hypervisor state */
#define MSR_VEC __MASK(MSR_VEC_LG) /* Enable AltiVec */
#define MSR_POW __MASK(MSR_POW_LG) /* Enable Power Management */
#define MSR_WE __MASK(MSR_WE_LG) /* Wait State Enable */
#define MSR_TGPR __MASK(MSR_TGPR_LG) /* TLB Update registers in use */
#define MSR_CE __MASK(MSR_CE_LG) /* Critical Interrupt Enable */
#define MSR_ILE __MASK(MSR_ILE_LG) /* Interrupt Little Endian */
#define MSR_EE __MASK(MSR_EE_LG) /* External Interrupt Enable */
#define MSR_PR __MASK(MSR_PR_LG) /* Problem State / Privilege Level */
#define MSR_FP __MASK(MSR_FP_LG) /* Floating Point enable */
#define MSR_ME __MASK(MSR_ME_LG) /* Machine Check Enable */
#define MSR_FE0 __MASK(MSR_FE0_LG) /* Floating Exception mode 0 */
#define MSR_SE __MASK(MSR_SE_LG) /* Single Step */
#define MSR_BE __MASK(MSR_BE_LG) /* Branch Trace */
#define MSR_DE __MASK(MSR_DE_LG) /* Debug Exception Enable */
#define MSR_FE1 __MASK(MSR_FE1_LG) /* Floating Exception mode 1 */
#define MSR_IP __MASK(MSR_IP_LG) /* Exception prefix 0x000/0xFFF */
#define MSR_IR __MASK(MSR_IR_LG) /* Instruction Relocate */
#define MSR_DR __MASK(MSR_DR_LG) /* Data Relocate */
#define MSR_PE __MASK(MSR_PE_LG) /* Protection Enable */
#define MSR_PX __MASK(MSR_PX_LG) /* Protection Exclusive Mode */
#define MSR_PMM __MASK(MSR_PMM_LG) /* Performance monitor */
#define MSR_RI __MASK(MSR_RI_LG) /* Recoverable Exception */
#define MSR_LE __MASK(MSR_LE_LG) /* Little Endian */
#define MSR_ MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_ISF
#define MSR_KERNEL MSR_ | MSR_SF | MSR_HV
#define MSR_USER32 MSR_ | MSR_PR | MSR_EE
#define MSR_USER64 MSR_USER32 | MSR_SF
/* Floating Point Status and Control Register (FPSCR) Fields */
#define FPSCR_FX 0x80000000 /* FPU exception summary */
#define FPSCR_FEX 0x40000000 /* FPU enabled exception summary */
#define FPSCR_VX 0x20000000 /* Invalid operation summary */
#define FPSCR_OX 0x10000000 /* Overflow exception summary */
#define FPSCR_UX 0x08000000 /* Underflow exception summary */
#define FPSCR_ZX 0x04000000 /* Zero-divide exception summary */
#define FPSCR_XX 0x02000000 /* Inexact exception summary */
#define FPSCR_VXSNAN 0x01000000 /* Invalid op for SNaN */
#define FPSCR_VXISI 0x00800000 /* Invalid op for Inv - Inv */
#define FPSCR_VXIDI 0x00400000 /* Invalid op for Inv / Inv */
#define FPSCR_VXZDZ 0x00200000 /* Invalid op for Zero / Zero */
#define FPSCR_VXIMZ 0x00100000 /* Invalid op for Inv * Zero */
#define FPSCR_VXVC 0x00080000 /* Invalid op for Compare */
#define FPSCR_FR 0x00040000 /* Fraction rounded */
#define FPSCR_FI 0x00020000 /* Fraction inexact */
#define FPSCR_FPRF 0x0001f000 /* FPU Result Flags */
#define FPSCR_FPCC 0x0000f000 /* FPU Condition Codes */
#define FPSCR_VXSOFT 0x00000400 /* Invalid op for software request */
#define FPSCR_VXSQRT 0x00000200 /* Invalid op for square root */
#define FPSCR_VXCVI 0x00000100 /* Invalid op for integer convert */
#define FPSCR_VE 0x00000080 /* Invalid op exception enable */
#define FPSCR_OE 0x00000040 /* IEEE overflow exception enable */
#define FPSCR_UE 0x00000020 /* IEEE underflow exception enable */
#define FPSCR_ZE 0x00000010 /* IEEE zero divide exception enable */
#define FPSCR_XE 0x00000008 /* FP inexact exception enable */
#define FPSCR_NI 0x00000004 /* FPU non IEEE-Mode */
#define FPSCR_RN 0x00000003 /* FPU rounding control */
/* Special Purpose Registers (SPRNs)*/
#define SPRN_CTR 0x009 /* Count Register */
#define SPRN_DABR 0x3F5 /* Data Address Breakpoint Register */
#define DABR_TRANSLATION (1UL << 2)
#define SPRN_DAR 0x013 /* Data Address Register */
#define SPRN_DEC 0x016 /* Decrement Register */
#define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */
#define DSISR_NOHPTE 0x40000000 /* no translation found */
#define DSISR_PROTFAULT 0x08000000 /* protection fault */
#define DSISR_ISSTORE 0x02000000 /* access was a store */
#define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */
#define DSISR_NOSEGMENT 0x00200000 /* STAB/SLB miss */
#define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */
#define SPRN_MSRDORM 0x3F1 /* Hardware Implementation Register 1 */
#define SPRN_HID1 0x3F1 /* Hardware Implementation Register 1 */
#define SPRN_IABR 0x3F2 /* Instruction Address Breakpoint Register */
#define SPRN_NIADORM 0x3F3 /* Hardware Implementation Register 2 */
#define SPRN_HID4 0x3F4 /* 970 HID4 */
#define SPRN_HID5 0x3F6 /* 970 HID5 */
#define SPRN_HID6 0x3F9 /* BE HID 6 */
#define HID6_LB (0x0F<<12) /* Concurrent Large Page Modes */
#define HID6_DLP (1<<20) /* Disable all large page modes (4K only) */
#define SPRN_TSCR 0x399 /* Thread switch control on BE */
#define SPRN_TTR 0x39A /* Thread switch timeout on BE */
#define TSCR_DEC_ENABLE 0x200000 /* Decrementer Interrupt */
#define TSCR_EE_ENABLE 0x100000 /* External Interrupt */
#define TSCR_EE_BOOST 0x080000 /* External Interrupt Boost */
#define SPRN_TSC 0x3FD /* Thread switch control on others */
#define SPRN_TST 0x3FC /* Thread switch timeout on others */
#define SPRN_L2CR 0x3F9 /* Level 2 Cache Control Regsiter */
#define SPRN_LR 0x008 /* Link Register */
#define SPRN_PIR 0x3FF /* Processor Identification Register */
#define SPRN_PIT 0x3DB /* Programmable Interval Timer */
#define SPRN_PURR 0x135 /* Processor Utilization of Resources Register */
#define SPRN_PVR 0x11F /* Processor Version Register */
#define SPRN_RPA 0x3D6 /* Required Physical Address Register */
#define SPRN_SDA 0x3BF /* Sampled Data Address Register */
#define SPRN_SDR1 0x019 /* MMU Hash Base Register */
#define SPRN_SIA 0x3BB /* Sampled Instruction Address Register */
#define SPRN_SPRG0 0x110 /* Special Purpose Register General 0 */
#define SPRN_SPRG1 0x111 /* Special Purpose Register General 1 */
#define SPRN_SPRG2 0x112 /* Special Purpose Register General 2 */
#define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */
#define SPRN_SRR0 0x01A /* Save/Restore Register 0 */
#define SPRN_SRR1 0x01B /* Save/Restore Register 1 */
#define SPRN_TBRL 0x10C /* Time Base Read Lower Register (user, R/O) */
#define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
#define SPRN_TBWL 0x11C /* Time Base Lower Register (super, W/O) */
#define SPRN_TBWU 0x11D /* Time Base Write Upper Register (super, W/O) */
#define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */
#define SPRN_USIA 0x3AB /* User Sampled Instruction Address Register */
#define SPRN_XER 0x001 /* Fixed Point Exception Register */
#define SPRN_VRSAVE 0x100 /* Vector save */
#define SPRN_CTRLF 0x088
#define SPRN_CTRLT 0x098
#define CTRL_RUNLATCH 0x1
/* Performance monitor SPRs */
#define SPRN_SIAR 780
#define SPRN_SDAR 781
#define SPRN_MMCRA 786
#define MMCRA_SIHV 0x10000000UL /* state of MSR HV when SIAR set */
#define MMCRA_SIPR 0x08000000UL /* state of MSR PR when SIAR set */
#define MMCRA_SAMPLE_ENABLE 0x00000001UL /* enable sampling */
#define SPRN_PMC1 787
#define SPRN_PMC2 788
#define SPRN_PMC3 789
#define SPRN_PMC4 790
#define SPRN_PMC5 791
#define SPRN_PMC6 792
#define SPRN_PMC7 793
#define SPRN_PMC8 794
#define SPRN_MMCR0 795
#define MMCR0_FC 0x80000000UL /* freeze counters. set to 1 on a perfmon exception */
#define MMCR0_FCS 0x40000000UL /* freeze in supervisor state */
#define MMCR0_KERNEL_DISABLE MMCR0_FCS
#define MMCR0_FCP 0x20000000UL /* freeze in problem state */
#define MMCR0_PROBLEM_DISABLE MMCR0_FCP
#define MMCR0_FCM1 0x10000000UL /* freeze counters while MSR mark = 1 */
#define MMCR0_FCM0 0x08000000UL /* freeze counters while MSR mark = 0 */
#define MMCR0_PMXE 0x04000000UL /* performance monitor exception enable */
#define MMCR0_FCECE 0x02000000UL /* freeze counters on enabled condition or event */
/* time base exception enable */
#define MMCR0_TBEE 0x00400000UL /* time base exception enable */
#define MMCR0_PMC1CE 0x00008000UL /* PMC1 count enable*/
#define MMCR0_PMCjCE 0x00004000UL /* PMCj count enable*/
#define MMCR0_TRIGGER 0x00002000UL /* TRIGGER enable */
#define MMCR0_PMAO 0x00000080UL /* performance monitor alert has occurred, set to 0 after handling exception */
#define MMCR0_SHRFC 0x00000040UL /* SHRre freeze conditions between threads */
#define MMCR0_FCTI 0x00000008UL /* freeze counters in tags inactive mode */
#define MMCR0_FCTA 0x00000004UL /* freeze counters in tags active mode */
#define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
#define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
#define SPRN_MMCR1 798
/* Short-hand versions for a number of the above SPRNs */
#define CTR SPRN_CTR /* Counter Register */
#define DAR SPRN_DAR /* Data Address Register */
#define DABR SPRN_DABR /* Data Address Breakpoint Register */
#define DEC SPRN_DEC /* Decrement Register */
#define DSISR SPRN_DSISR /* Data Storage Interrupt Status Register */
#define HID0 SPRN_HID0 /* Hardware Implementation Register 0 */
#define MSRDORM SPRN_MSRDORM /* MSR Dormant Register */
#define NIADORM SPRN_NIADORM /* NIA Dormant Register */
#define TSC SPRN_TSC /* Thread switch control */
#define TST SPRN_TST /* Thread switch timeout */
#define IABR SPRN_IABR /* Instruction Address Breakpoint Register */
#define L2CR SPRN_L2CR /* PPC 750 L2 control register */
#define __LR SPRN_LR
#define PVR SPRN_PVR /* Processor Version */
#define PIR SPRN_PIR /* Processor ID */
#define PURR SPRN_PURR /* Processor Utilization of Resource Register */
#define SDR1 SPRN_SDR1 /* MMU hash base register */
#define SPR0 SPRN_SPRG0 /* Supervisor Private Registers */
#define SPR1 SPRN_SPRG1
#define SPR2 SPRN_SPRG2
#define SPR3 SPRN_SPRG3
#define SPRG0 SPRN_SPRG0
#define SPRG1 SPRN_SPRG1
#define SPRG2 SPRN_SPRG2
#define SPRG3 SPRN_SPRG3
#define SRR0 SPRN_SRR0 /* Save and Restore Register 0 */
#define SRR1 SPRN_SRR1 /* Save and Restore Register 1 */
#define TBRL SPRN_TBRL /* Time Base Read Lower Register */
#define TBRU SPRN_TBRU /* Time Base Read Upper Register */
#define TBWL SPRN_TBWL /* Time Base Write Lower Register */
#define TBWU SPRN_TBWU /* Time Base Write Upper Register */
#define XER SPRN_XER
/* Processor Version Register (PVR) field extraction */
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */
#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */
/* Processor Version Numbers */
#define PV_NORTHSTAR 0x0033
#define PV_PULSAR 0x0034
#define PV_POWER4 0x0035
#define PV_ICESTAR 0x0036
#define PV_SSTAR 0x0037
#define PV_POWER4p 0x0038
#define PV_970 0x0039
#define PV_POWER5 0x003A
#define PV_POWER5p 0x003B
#define PV_970FX 0x003C
#define PV_630 0x0040
#define PV_630p 0x0041
#define PV_970MP 0x0044
#define PV_BE 0x0070
/* Platforms supported by PPC64 */
#define PLATFORM_PSERIES 0x0100
#define PLATFORM_PSERIES_LPAR 0x0101
#define PLATFORM_ISERIES_LPAR 0x0201
#define PLATFORM_LPAR 0x0001
#define PLATFORM_POWERMAC 0x0400
#define PLATFORM_MAPLE 0x0500
#define PLATFORM_BPA 0x1000
/* Compatibility with drivers coming from PPC32 world */
#define _machine (systemcfg->platform)
#define _MACH_Pmac PLATFORM_POWERMAC
/*
* List of interrupt controllers.
*/
#define IC_INVALID 0
#define IC_OPEN_PIC 1
#define IC_PPC_XIC 2
#define IC_BPA_IIC 3
#define IC_ISERIES 4
#define XGLUE(a,b) a##b
#define GLUE(a,b) XGLUE(a,b)
#ifdef __ASSEMBLY__
#define _GLOBAL(name) \
.section ".text"; \
.align 2 ; \
.globl name; \
.globl GLUE(.,name); \
.section ".opd","aw"; \
name: \
.quad GLUE(.,name); \
.quad .TOC.@tocbase; \
.quad 0; \
.previous; \
.type GLUE(.,name),@function; \
GLUE(.,name):
#define _KPROBE(name) \
.section ".kprobes.text","a"; \
.align 2 ; \
.globl name; \
.globl GLUE(.,name); \
.section ".opd","aw"; \
name: \
.quad GLUE(.,name); \
.quad .TOC.@tocbase; \
.quad 0; \
.previous; \
.type GLUE(.,name),@function; \
GLUE(.,name):
#define _STATIC(name) \
.section ".text"; \
.align 2 ; \
.section ".opd","aw"; \
name: \
.quad GLUE(.,name); \
.quad .TOC.@tocbase; \
.quad 0; \
.previous; \
.type GLUE(.,name),@function; \
GLUE(.,name):
#else /* __ASSEMBLY__ */
/*
* Default implementation of macro that returns current
* instruction pointer ("program counter").
*/
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
/* Macros for setting and retrieving special purpose registers */
#define mfmsr() ({unsigned long rval; \
asm volatile("mfmsr %0" : "=r" (rval)); rval;})
#define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \
: : "r" (v))
#define mtmsrd(v) __mtmsrd((v), 0)
#define mfspr(rn) ({unsigned long rval; \
asm volatile("mfspr %0," __stringify(rn) \
: "=r" (rval)); rval;})
#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : : "r" (v))
#define mftb() ({unsigned long rval; \
asm volatile("mftb %0" : "=r" (rval)); rval;})
#define mttbl(v) asm volatile("mttbl %0":: "r"(v))
#define mttbu(v) asm volatile("mttbu %0":: "r"(v))
#define mfasr() ({unsigned long rval; \
asm volatile("mfasr %0" : "=r" (rval)); rval;})
/* Macros for adjusting thread priority (hardware multi-threading) */
#define HMT_very_low() asm volatile("or 31,31,31 # very low priority")
#define HMT_low() asm volatile("or 1,1,1 # low priority")
#define HMT_medium_low() asm volatile("or 6,6,6 # medium low priority")
#define HMT_medium() asm volatile("or 2,2,2 # medium priority")
#define HMT_medium_high() asm volatile("or 5,5,5 # medium high priority")
#define HMT_high() asm volatile("or 3,3,3 # high priority")
static inline void set_tb(unsigned int upper, unsigned int lower)
{
mttbl(0);
mttbu(upper);
mttbl(lower);
}
#define __get_SP() ({unsigned long sp; \
asm volatile("mr %0,1": "=r" (sp)); sp;})
#ifdef __KERNEL__
extern int have_of;
extern u64 ppc64_interrupt_controller;
struct task_struct;
void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp);
void release_thread(struct task_struct *);
/* Prepare to copy thread state - unlazy all lazy status */
extern void prepare_to_copy(struct task_struct *tsk);
/* Create a new kernel thread. */
extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
/* Lazy FPU handling on uni-processor */
extern struct task_struct *last_task_used_math;
extern struct task_struct *last_task_used_altivec;
/* 64-bit user address space is 44-bits (16TB user VM) */
#define TASK_SIZE_USER64 (0x0000100000000000UL)
/*
* 32-bit user address space is 4GB - 1 page
* (this 1 page is needed so referencing of 0xFFFFFFFF generates EFAULT
*/
#define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE))
#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
TASK_SIZE_USER32 : TASK_SIZE_USER64)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
*/
#define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4))
#define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)||(ppcdebugset(PPCDBG_BINFMT_32ADDR))) ? \
TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
typedef struct {
unsigned long seg;
} mm_segment_t;
struct thread_struct {
unsigned long ksp; /* Kernel stack pointer */
unsigned long ksp_vsid;
struct pt_regs *regs; /* Pointer to saved register state */
mm_segment_t fs; /* for get_fs() validation */
double fpr[32]; /* Complete floating point set */
unsigned long fpscr; /* Floating point status (plus pad) */
unsigned long fpexc_mode; /* Floating-point exception mode */
unsigned long start_tb; /* Start purr when proc switched in */
unsigned long accum_tb; /* Total accumilated purr for process */
unsigned long vdso_base; /* base of the vDSO library */
unsigned long dabr; /* Data address breakpoint register */
#ifdef CONFIG_ALTIVEC
/* Complete AltiVec register set */
vector128 vr[32] __attribute((aligned(16)));
/* AltiVec status */
vector128 vscr __attribute((aligned(16)));
unsigned long vrsave;
int used_vr; /* set if process has used altivec */
#endif /* CONFIG_ALTIVEC */
};
#define ARCH_MIN_TASKALIGN 16
#define INIT_SP (sizeof(init_stack) + (unsigned long) &init_stack)
#define INIT_THREAD { \
.ksp = INIT_SP, \
.regs = (struct pt_regs *)INIT_SP - 1, \
.fs = KERNEL_DS, \
.fpr = {0}, \
.fpscr = 0, \
.fpexc_mode = MSR_FE0|MSR_FE1, \
}
/*
* Return saved PC of a blocked thread. For now, this is the "user" PC
*/
#define thread_saved_pc(tsk) \
((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
#define KSTK_ESP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0)
/* Get/set floating-point exception mode */
#define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr))
#define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val))
extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr);
extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
static inline unsigned int __unpack_fe01(unsigned long msr_bits)
{
return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8);
}
static inline unsigned long __pack_fe01(unsigned int fpmode)
{
return ((fpmode << 10) & MSR_FE0) | ((fpmode << 8) & MSR_FE1);
}
#define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0)
/*
* Prefetch macros.
*/
#define ARCH_HAS_PREFETCH
#define ARCH_HAS_PREFETCHW
#define ARCH_HAS_SPINLOCK_PREFETCH
static inline void prefetch(const void *x)
{
if (unlikely(!x))
return;
__asm__ __volatile__ ("dcbt 0,%0" : : "r" (x));
}
static inline void prefetchw(const void *x)
{
if (unlikely(!x))
return;
__asm__ __volatile__ ("dcbtst 0,%0" : : "r" (x));
}
#define spin_lock_prefetch(x) prefetchw(x)
#define HAVE_ARCH_PICK_MMAP_LAYOUT
static inline void ppc64_runlatch_on(void)
{
unsigned long ctrl;
if (cpu_has_feature(CPU_FTR_CTRL)) {
ctrl = mfspr(SPRN_CTRLF);
ctrl |= CTRL_RUNLATCH;
mtspr(SPRN_CTRLT, ctrl);
}
}
static inline void ppc64_runlatch_off(void)
{
unsigned long ctrl;
if (cpu_has_feature(CPU_FTR_CTRL)) {
ctrl = mfspr(SPRN_CTRLF);
ctrl &= ~CTRL_RUNLATCH;
mtspr(SPRN_CTRLT, ctrl);
}
}
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
#ifdef __KERNEL__
#define RUNLATCH_ON(REG) \
BEGIN_FTR_SECTION \
mfspr (REG),SPRN_CTRLF; \
ori (REG),(REG),CTRL_RUNLATCH; \
mtspr SPRN_CTRLT,(REG); \
END_FTR_SECTION_IFSET(CPU_FTR_CTRL)
#endif
/*
* Number of entries in the SLB. If this ever changes we should handle
* it with a use a cpu feature fixup.
*/
#define SLB_NUM_ENTRIES 64
#endif /* __ASM_PPC64_PROCESSOR_H */
include/asm-ppc64/system.h
浏览文件 @ 9f04b9e3
......@@ -144,13 +144,6 @@ struct thread_struct;
extern struct task_struct * _switch(struct thread_struct *prev,
struct thread_struct *next);
static inline int __is_processor(unsigned long pv)
{
unsigned long pvr;
asm("mfspr %0, 0x11F" : "=r" (pvr));
return(PVR_VER(pvr) == pv);
}
/*
* Atomic exchange
*
......
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