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raspberrypi-kernel
提交 50544bce 编写于 作者: S Sam Ravnborg 提交者： David S. Miller
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sparc32: remove runtime btfix support 

- remove all uses of btfixup header
- remove the btfixup header
- remove the btfixup code
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 08c9388f
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arch/sparc/include/asm/asmmacro.h
浏览文件 @ 50544bce
......@@ -6,7 +6,6 @@
#ifndef _SPARC_ASMMACRO_H
#define _SPARC_ASMMACRO_H
#include <asm/btfixup.h>
#include <asm/asi.h>
#define GET_PROCESSOR4M_ID(reg) \
......
arch/sparc/include/asm/btfixup.h 已删除 100644 → 0
浏览文件 @ 08c9388f
/*
* asm/btfixup.h: Macros for boot time linking.
*
* Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
#ifndef _SPARC_BTFIXUP_H
#define _SPARC_BTFIXUP_H
#include <linux/init.h>
#ifndef __ASSEMBLY__
#ifdef MODULE
extern unsigned int ___illegal_use_of_BTFIXUP_SIMM13_in_module(void);
extern unsigned int ___illegal_use_of_BTFIXUP_SETHI_in_module(void);
extern unsigned int ___illegal_use_of_BTFIXUP_HALF_in_module(void);
extern unsigned int ___illegal_use_of_BTFIXUP_INT_in_module(void);
#define BTFIXUP_SIMM13(__name) ___illegal_use_of_BTFIXUP_SIMM13_in_module()
#define BTFIXUP_HALF(__name) ___illegal_use_of_BTFIXUP_HALF_in_module()
#define BTFIXUP_SETHI(__name) ___illegal_use_of_BTFIXUP_SETHI_in_module()
#define BTFIXUP_INT(__name) ___illegal_use_of_BTFIXUP_INT_in_module()
#define BTFIXUP_BLACKBOX(__name) ___illegal_use_of_BTFIXUP_BLACKBOX_in_module
#else
#define BTFIXUP_SIMM13(__name) ___sf_##__name()
#define BTFIXUP_HALF(__name) ___af_##__name()
#define BTFIXUP_SETHI(__name) ___hf_##__name()
#define BTFIXUP_INT(__name) ((unsigned int)&___i_##__name)
/* This must be written in assembly and present in a sethi */
#define BTFIXUP_BLACKBOX(__name) ___b_##__name
#endif /* MODULE */
/* Fixup call xx */
#define BTFIXUPDEF_CALL(__type, __name, __args...) \
extern __type ___f_##__name(__args); \
extern unsigned ___fs_##__name[3];
#define BTFIXUPDEF_CALL_CONST(__type, __name, __args...) \
extern __type ___f_##__name(__args) __attribute_const__; \
extern unsigned ___fs_##__name[3];
#define BTFIXUP_CALL(__name) ___f_##__name
#define BTFIXUPDEF_BLACKBOX(__name) \
extern unsigned ___bs_##__name[2];
/* Put bottom 13bits into some register variable */
#define BTFIXUPDEF_SIMM13(__name) \
static inline unsigned int ___sf_##__name(void) __attribute_const__; \
extern unsigned ___ss_##__name[2]; \
static inline unsigned int ___sf_##__name(void) { \
unsigned int ret; \
__asm__ ("or %%g0, ___s_" #__name ", %0" : "=r"(ret)); \
return ret; \
}
#define BTFIXUPDEF_SIMM13_INIT(__name,__val) \
static inline unsigned int ___sf_##__name(void) __attribute_const__; \
extern unsigned ___ss_##__name[2]; \
static inline unsigned int ___sf_##__name(void) { \
unsigned int ret; \
__asm__ ("or %%g0, ___s_" #__name "__btset_" #__val ", %0" : "=r"(ret));\
return ret; \
}
/* Put either bottom 13 bits, or upper 22 bits into some register variable
* (depending on the value, this will lead into sethi FIX, reg; or
* mov FIX, reg; )
*/
#define BTFIXUPDEF_HALF(__name) \
static inline unsigned int ___af_##__name(void) __attribute_const__; \
extern unsigned ___as_##__name[2]; \
static inline unsigned int ___af_##__name(void) { \
unsigned int ret; \
__asm__ ("or %%g0, ___a_" #__name ", %0" : "=r"(ret)); \
return ret; \
}
#define BTFIXUPDEF_HALF_INIT(__name,__val) \
static inline unsigned int ___af_##__name(void) __attribute_const__; \
extern unsigned ___as_##__name[2]; \
static inline unsigned int ___af_##__name(void) { \
unsigned int ret; \
__asm__ ("or %%g0, ___a_" #__name "__btset_" #__val ", %0" : "=r"(ret));\
return ret; \
}
/* Put upper 22 bits into some register variable */
#define BTFIXUPDEF_SETHI(__name) \
static inline unsigned int ___hf_##__name(void) __attribute_const__; \
extern unsigned ___hs_##__name[2]; \
static inline unsigned int ___hf_##__name(void) { \
unsigned int ret; \
__asm__ ("sethi %%hi(___h_" #__name "), %0" : "=r"(ret)); \
return ret; \
}
#define BTFIXUPDEF_SETHI_INIT(__name,__val) \
static inline unsigned int ___hf_##__name(void) __attribute_const__; \
extern unsigned ___hs_##__name[2]; \
static inline unsigned int ___hf_##__name(void) { \
unsigned int ret; \
__asm__ ("sethi %%hi(___h_" #__name "__btset_" #__val "), %0" : \
"=r"(ret)); \
return ret; \
}
/* Put a full 32bit integer into some register variable */
#define BTFIXUPDEF_INT(__name) \
extern unsigned char ___i_##__name; \
extern unsigned ___is_##__name[2];
#define BTFIXUPCALL_NORM 0x00000000 /* Always call */
#define BTFIXUPCALL_NOP 0x01000000 /* Possibly optimize to nop */
#define BTFIXUPCALL_RETINT(i) (0x90102000|((i) & 0x1fff)) /* Possibly optimize to mov i, %o0 */
#define BTFIXUPCALL_ORINT(i) (0x90122000|((i) & 0x1fff)) /* Possibly optimize to or %o0, i, %o0 */
#define BTFIXUPCALL_RETO0 0x01000000 /* Return first parameter, actually a nop */
#define BTFIXUPCALL_ANDNINT(i) (0x902a2000|((i) & 0x1fff)) /* Possibly optimize to andn %o0, i, %o0 */
#define BTFIXUPCALL_SWAPO0O1 0xd27a0000 /* Possibly optimize to swap [%o0],%o1 */
#define BTFIXUPCALL_SWAPG1G2 0xc4784000 /* Possibly optimize to swap [%g1],%g2 */
#define BTFIXUPCALL_STG0O0 0xc0220000 /* Possibly optimize to st %g0,[%o0] */
#define BTFIXUPCALL_STO1O0 0xd2220000 /* Possibly optimize to st %o1,[%o0] */
#define BTFIXUPSET_CALL(__name, __addr, __insn) \
do { \
___fs_##__name[0] |= 1; \
___fs_##__name[1] = (unsigned long)__addr; \
___fs_##__name[2] = __insn; \
} while (0)
#define BTFIXUPSET_BLACKBOX(__name, __func) \
do { \
___bs_##__name[0] |= 1; \
___bs_##__name[1] = (unsigned long)__func; \
} while (0)
#define BTFIXUPCOPY_CALL(__name, __from) \
do { \
___fs_##__name[0] |= 1; \
___fs_##__name[1] = ___fs_##__from[1]; \
___fs_##__name[2] = ___fs_##__from[2]; \
} while (0)
#define BTFIXUPSET_SIMM13(__name, __val) \
do { \
___ss_##__name[0] |= 1; \
___ss_##__name[1] = (unsigned)__val; \
} while (0)
#define BTFIXUPCOPY_SIMM13(__name, __from) \
do { \
___ss_##__name[0] |= 1; \
___ss_##__name[1] = ___ss_##__from[1]; \
} while (0)
#define BTFIXUPSET_HALF(__name, __val) \
do { \
___as_##__name[0] |= 1; \
___as_##__name[1] = (unsigned)__val; \
} while (0)
#define BTFIXUPCOPY_HALF(__name, __from) \
do { \
___as_##__name[0] |= 1; \
___as_##__name[1] = ___as_##__from[1]; \
} while (0)
#define BTFIXUPSET_SETHI(__name, __val) \
do { \
___hs_##__name[0] |= 1; \
___hs_##__name[1] = (unsigned)__val; \
} while (0)
#define BTFIXUPCOPY_SETHI(__name, __from) \
do { \
___hs_##__name[0] |= 1; \
___hs_##__name[1] = ___hs_##__from[1]; \
} while (0)
#define BTFIXUPSET_INT(__name, __val) \
do { \
___is_##__name[0] |= 1; \
___is_##__name[1] = (unsigned)__val; \
} while (0)
#define BTFIXUPCOPY_INT(__name, __from) \
do { \
___is_##__name[0] |= 1; \
___is_##__name[1] = ___is_##__from[1]; \
} while (0)
#define BTFIXUPVAL_CALL(__name) \
((unsigned long)___fs_##__name[1])
extern void btfixup(void);
#else /* __ASSEMBLY__ */
#define BTFIXUP_SETHI(__name) %hi(___h_ ## __name)
#define BTFIXUP_SETHI_INIT(__name,__val) %hi(___h_ ## __name ## __btset_ ## __val)
#endif /* __ASSEMBLY__ */
#endif /* !(_SPARC_BTFIXUP_H) */
arch/sparc/include/asm/cmpxchg_32.h
浏览文件 @ 50544bce
......@@ -11,8 +11,6 @@
#ifndef __ARCH_SPARC_CMPXCHG__
#define __ARCH_SPARC_CMPXCHG__
#include <asm/btfixup.h>
static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned long val)
{
__asm__ __volatile__("swap [%2], %0"
......
arch/sparc/include/asm/mmu_context_32.h
浏览文件 @ 50544bce
#ifndef __SPARC_MMU_CONTEXT_H
#define __SPARC_MMU_CONTEXT_H
#include <asm/btfixup.h>
#ifndef __ASSEMBLY__
#include <asm-generic/mm_hooks.h>
......
arch/sparc/include/asm/page_32.h
浏览文件 @ 50544bce
......@@ -14,8 +14,6 @@
#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
#include <asm/btfixup.h>
#ifndef __ASSEMBLY__
#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
......
arch/sparc/include/asm/pgalloc_32.h
浏览文件 @ 50544bce
......@@ -5,7 +5,6 @@
#include <linux/sched.h>
#include <asm/pgtsrmmu.h>
#include <asm/btfixup.h>
#include <asm/pgtable.h>
#include <asm/vaddrs.h>
#include <asm/page.h>
......
arch/sparc/include/asm/pgtable_32.h
浏览文件 @ 50544bce
......@@ -19,7 +19,6 @@
#include <asm/pgtsrmmu.h>
#include <asm/vaddrs.h>
#include <asm/oplib.h>
#include <asm/btfixup.h>
#include <asm/cpu_type.h>
......
arch/sparc/include/asm/processor_32.h
浏览文件 @ 50544bce
......@@ -16,7 +16,6 @@
#include <asm/ptrace.h>
#include <asm/head.h>
#include <asm/signal.h>
#include <asm/btfixup.h>
#include <asm/page.h>
/*
......
arch/sparc/include/asm/smp_32.h
浏览文件 @ 50544bce
......@@ -8,7 +8,6 @@
#include <linux/threads.h>
#include <asm/head.h>
#include <asm/btfixup.h>
#ifndef __ASSEMBLY__
......
arch/sparc/include/asm/thread_info_32.h
浏览文件 @ 50544bce
......@@ -15,7 +15,6 @@
#ifndef __ASSEMBLY__
#include <asm/btfixup.h>
#include <asm/ptrace.h>
#include <asm/page.h>
......
arch/sparc/include/asm/timer_32.h
浏览文件 @ 50544bce
......@@ -14,7 +14,6 @@
#include <asm-generic/percpu.h>
#include <asm/cpu_type.h> /* For SUN4M_NCPUS */
#include <asm/btfixup.h>
#define SBUS_CLOCK_RATE 2000000 /* 2MHz */
#define TIMER_VALUE_SHIFT 9
......
arch/sparc/kernel/irq.h
浏览文件 @ 50544bce
#include <linux/platform_device.h>
#include <asm/btfixup.h>
#include <asm/cpu_type.h>
struct irq_bucket {
......
arch/sparc/kernel/irq_32.c
浏览文件 @ 50544bce
......@@ -366,6 +366,5 @@ void __init init_IRQ(void)
prom_printf("Cannot initialize IRQs on this Sun machine...");
break;
}
btfixup();
}
arch/sparc/kernel/time_32.c
浏览文件 @ 50544bce
......@@ -356,8 +356,6 @@ static void __init sbus_time_init(void)
void __init time_init(void)
{
btfixup();
sparc_config.features = 0;
late_time_init = sparc32_late_time_init;
......
arch/sparc/mm/Makefile
浏览文件 @ 50544bce
......@@ -7,7 +7,7 @@ ccflags-y := -Werror
obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o
obj-y += fault_$(BITS).o
obj-y += init_$(BITS).o
obj-$(CONFIG_SPARC32) += extable.o btfixup.o srmmu.o iommu.o io-unit.o
obj-$(CONFIG_SPARC32) += extable.o srmmu.o iommu.o io-unit.o
obj-$(CONFIG_SPARC32) += hypersparc.o viking.o tsunami.o swift.o
obj-$(CONFIG_SPARC_LEON)+= leon_mm.o
......
arch/sparc/mm/btfixup.c 已删除 100644 → 0
浏览文件 @ 08c9388f
/* btfixup.c: Boot time code fixup and relocator, so that
* we can get rid of most indirect calls to achieve single
* image sun4c and srmmu kernel.
*
* Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/btfixup.h>
#include <asm/page.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>
#include <asm/oplib.h>
#include <asm/cacheflush.h>
#define BTFIXUP_OPTIMIZE_NOP
#define BTFIXUP_OPTIMIZE_OTHER
extern char *srmmu_name;
static char version[] __initdata = "Boot time fixup v1.6. 4/Mar/98 Jakub Jelinek (jj@ultra.linux.cz). Patching kernel for ";
static char str_srmmu[] __initdata = "srmmu[%s]/";
static char str_iommu[] __initdata = "iommu\n";
static char str_iounit[] __initdata = "io-unit\n";
static int visited __initdata = 0;
extern unsigned int ___btfixup_start[], ___btfixup_end[], __init_begin[], __init_end[], __init_text_end[];
extern unsigned int _stext[], _end[], __start___ksymtab[], __stop___ksymtab[];
static char wrong_f[] __initdata = "Trying to set f fixup %p to invalid function %08x\n";
static char wrong_b[] __initdata = "Trying to set b fixup %p to invalid function %08x\n";
static char wrong_s[] __initdata = "Trying to set s fixup %p to invalid value %08x\n";
static char wrong_h[] __initdata = "Trying to set h fixup %p to invalid value %08x\n";
static char wrong_a[] __initdata = "Trying to set a fixup %p to invalid value %08x\n";
static char wrong[] __initdata = "Wrong address for %c fixup %p\n";
static char insn_f[] __initdata = "Fixup f %p refers to weird instructions at %p[%08x,%08x]\n";
static char insn_b[] __initdata = "Fixup b %p doesn't refer to a SETHI at %p[%08x]\n";
static char insn_s[] __initdata = "Fixup s %p doesn't refer to an OR at %p[%08x]\n";
static char insn_h[] __initdata = "Fixup h %p doesn't refer to a SETHI at %p[%08x]\n";
static char insn_a[] __initdata = "Fixup a %p doesn't refer to a SETHI nor OR at %p[%08x]\n";
static char insn_i[] __initdata = "Fixup i %p doesn't refer to a valid instruction at %p[%08x]\n";
static char wrong_setaddr[] __initdata = "Garbled CALL/INT patch at %p[%08x,%08x,%08x]=%08x\n";
#ifdef BTFIXUP_OPTIMIZE_OTHER
static void __init set_addr(unsigned int *addr, unsigned int q1, int fmangled, unsigned int value)
{
if (!fmangled)
*addr = value;
else {
unsigned int *q = (unsigned int *)q1;
if (*addr == 0x01000000) {
/* Noped */
*q = value;
} else if (addr[-1] == *q) {
/* Moved */
addr[-1] = value;
*q = value;
} else {
prom_printf(wrong_setaddr, addr-1, addr[-1], *addr, *q, value);
prom_halt();
}
}
}
#else
static inline void set_addr(unsigned int *addr, unsigned int q1, int fmangled, unsigned int value)
{
*addr = value;
}
#endif
void __init btfixup(void)
{
unsigned int *p, *q;
int type, count;
unsigned insn;
unsigned *addr;
int fmangled = 0;
if (!visited) {
visited++;
printk(version);
printk(str_srmmu, srmmu_name);
if (sparc_cpu_model == sun4d)
printk(str_iounit);
else
printk(str_iommu);
}
for (p = ___btfixup_start; p < ___btfixup_end; ) {
count = p[2];
q = p + 3;
switch (type = *(unsigned char *)p) {
case 'f':
count = p[3];
q = p + 4;
if (((p[0] & 1) || p[1])
&& ((p[1] & 3) || (unsigned *)(p[1]) < _stext || (unsigned *)(p[1]) >= _end)) {
prom_printf(wrong_f, p, p[1]);
prom_halt();
}
break;
case 'b':
if (p[1] < (unsigned long)__init_begin || p[1] >= (unsigned long)__init_text_end || (p[1] & 3)) {
prom_printf(wrong_b, p, p[1]);
prom_halt();
}
break;
case 's':
if (p[1] + 0x1000 >= 0x2000) {
prom_printf(wrong_s, p, p[1]);
prom_halt();
}
break;
case 'h':
if (p[1] & 0x3ff) {
prom_printf(wrong_h, p, p[1]);
prom_halt();
}
break;
case 'a':
if (p[1] + 0x1000 >= 0x2000 && (p[1] & 0x3ff)) {
prom_printf(wrong_a, p, p[1]);
prom_halt();
}
break;
}
if (p[0] & 1) {
p[0] &= ~1;
while (count) {
fmangled = 0;
addr = (unsigned *)*q;
if (addr < _stext || addr >= _end) {
prom_printf(wrong, type, p);
prom_halt();
}
insn = *addr;
#ifdef BTFIXUP_OPTIMIZE_OTHER
if (type != 'f' && q[1]) {
insn = *(unsigned int *)q[1];
if (!insn || insn == 1)
insn = *addr;
else
fmangled = 1;
}
#endif
switch (type) {
case 'f': /* CALL */
if (addr >= __start___ksymtab && addr < __stop___ksymtab) {
*addr = p[1];
break;
} else if (!q[1]) {
if ((insn & 0xc1c00000) == 0x01000000) { /* SETHI */
*addr = (insn & 0xffc00000) | (p[1] >> 10); break;
} else if ((insn & 0xc1f82000) == 0x80102000) { /* OR X, %LO(i), Y */
*addr = (insn & 0xffffe000) | (p[1] & 0x3ff); break;
} else if ((insn & 0xc0000000) != 0x40000000) { /* !CALL */
bad_f:
prom_printf(insn_f, p, addr, insn, addr[1]);
prom_halt();
}
} else if (q[1] != 1)
addr[1] = q[1];
if (p[2] == BTFIXUPCALL_NORM) {
norm_f:
*addr = 0x40000000 | ((p[1] - (unsigned)addr) >> 2);
q[1] = 0;
break;
}
#ifndef BTFIXUP_OPTIMIZE_NOP
goto norm_f;
#else
if (!(addr[1] & 0x80000000)) {
if ((addr[1] & 0xc1c00000) != 0x01000000) /* !SETHI */
goto bad_f; /* CALL, Bicc, FBfcc, CBccc are weird in delay slot, aren't they? */
} else {
if ((addr[1] & 0x01800000) == 0x01800000) {
if ((addr[1] & 0x01f80000) == 0x01e80000) {
/* RESTORE */
goto norm_f; /* It is dangerous to patch that */
}
goto bad_f;
}
if ((addr[1] & 0xffffe003) == 0x9e03e000) {
/* ADD %O7, XX, %o7 */
int displac = (addr[1] << 19);
displac = (displac >> 21) + 2;
*addr = (0x10800000) + (displac & 0x3fffff);
q[1] = addr[1];
addr[1] = p[2];
break;
}
if ((addr[1] & 0x201f) == 0x200f || (addr[1] & 0x7c000) == 0x3c000)
goto norm_f; /* Someone is playing bad tricks with us: rs1 or rs2 is o7 */
if ((addr[1] & 0x3e000000) == 0x1e000000)
goto norm_f; /* rd is %o7. We'd better take care. */
}
if (p[2] == BTFIXUPCALL_NOP) {
*addr = 0x01000000;
q[1] = 1;
break;
}
#ifndef BTFIXUP_OPTIMIZE_OTHER
goto norm_f;
#else
if (addr[1] == 0x01000000) { /* NOP in the delay slot */
q[1] = addr[1];
*addr = p[2];
break;
}
if ((addr[1] & 0xc0000000) != 0xc0000000) {
/* Not a memory operation */
if ((addr[1] & 0x30000000) == 0x10000000) {
/* Ok, non-memory op with rd %oX */
if ((addr[1] & 0x3e000000) == 0x1c000000)
goto bad_f; /* Aiee. Someone is playing strange %sp tricks */
if ((addr[1] & 0x3e000000) > 0x12000000 ||
((addr[1] & 0x3e000000) == 0x12000000 &&
p[2] != BTFIXUPCALL_STO1O0 && p[2] != BTFIXUPCALL_SWAPO0O1) ||
((p[2] & 0xffffe000) == BTFIXUPCALL_RETINT(0))) {
/* Nobody uses the result. We can nop it out. */
*addr = p[2];
q[1] = addr[1];
addr[1] = 0x01000000;
break;
}
if ((addr[1] & 0xf1ffffe0) == 0x90100000) {
/* MOV %reg, %Ox */
if ((addr[1] & 0x3e000000) == 0x10000000 &&
(p[2] & 0x7c000) == 0x20000) {
/* Ok, it is call xx; mov reg, %o0 and call optimizes
to doing something on %o0. Patch the patch. */
*addr = (p[2] & ~0x7c000) | ((addr[1] & 0x1f) << 14);
q[1] = addr[1];
addr[1] = 0x01000000;
break;
}
if ((addr[1] & 0x3e000000) == 0x12000000 &&
p[2] == BTFIXUPCALL_STO1O0) {
*addr = (p[2] & ~0x3e000000) | ((addr[1] & 0x1f) << 25);
q[1] = addr[1];
addr[1] = 0x01000000;
break;
}
}
}
}
*addr = addr[1];
q[1] = addr[1];
addr[1] = p[2];
break;
#endif /* BTFIXUP_OPTIMIZE_OTHER */
#endif /* BTFIXUP_OPTIMIZE_NOP */
case 'b': /* BLACKBOX */
/* Has to be sethi i, xx */
if ((insn & 0xc1c00000) != 0x01000000) {
prom_printf(insn_b, p, addr, insn);
prom_halt();
} else {
void (*do_fixup)(unsigned *);
do_fixup = (void (*)(unsigned *))p[1];
do_fixup(addr);
}
break;
case 's': /* SIMM13 */
/* Has to be or %g0, i, xx */
if ((insn & 0xc1ffe000) != 0x80102000) {
prom_printf(insn_s, p, addr, insn);
prom_halt();
}
set_addr(addr, q[1], fmangled, (insn & 0xffffe000) | (p[1] & 0x1fff));
break;
case 'h': /* SETHI */
/* Has to be sethi i, xx */
if ((insn & 0xc1c00000) != 0x01000000) {
prom_printf(insn_h, p, addr, insn);
prom_halt();
}
set_addr(addr, q[1], fmangled, (insn & 0xffc00000) | (p[1] >> 10));
break;
case 'a': /* HALF */
/* Has to be sethi i, xx or or %g0, i, xx */
if ((insn & 0xc1c00000) != 0x01000000 &&
(insn & 0xc1ffe000) != 0x80102000) {
prom_printf(insn_a, p, addr, insn);
prom_halt();
}
if (p[1] & 0x3ff)
set_addr(addr, q[1], fmangled,
(insn & 0x3e000000) | 0x80102000 | (p[1] & 0x1fff));
else
set_addr(addr, q[1], fmangled,
(insn & 0x3e000000) | 0x01000000 | (p[1] >> 10));
break;
case 'i': /* INT */
if ((insn & 0xc1c00000) == 0x01000000) /* %HI */
set_addr(addr, q[1], fmangled, (insn & 0xffc00000) | (p[1] >> 10));
else if ((insn & 0x80002000) == 0x80002000) /* %LO */
set_addr(addr, q[1], fmangled, (insn & 0xffffe000) | (p[1] & 0x3ff));
else {
prom_printf(insn_i, p, addr, insn);
prom_halt();
}
break;
}
count -= 2;
q += 2;
}
} else
p = q + count;
}
#ifdef CONFIG_SMP
local_ops->cache_all();
#else
sparc32_cachetlb_ops->cache_all();
#endif
}
arch/sparc/mm/init_32.c
浏览文件 @ 50544bce
......@@ -308,7 +308,6 @@ void __init paging_init(void)
prom_halt();
}
btfixup();
prom_build_devicetree();
of_fill_in_cpu_data();
device_scan();
......
arch/sparc/mm/iommu.c
浏览文件 @ 50544bce
......@@ -141,7 +141,6 @@ static int __init iommu_init(void)
subsys_initcall(iommu_init);
/* This begs to be btfixup-ed by srmmu. */
/* Flush the iotlb entries to ram. */
/* This could be better if we didn't have to flush whole pages. */
static void iommu_flush_iotlb(iopte_t *iopte, unsigned int niopte)
......
arch/sparc/mm/srmmu.c
浏览文件 @ 50544bce
......@@ -48,8 +48,6 @@
#include <asm/turbosparc.h>
#include <asm/leon.h>
#include <asm/btfixup.h>
enum mbus_module srmmu_modtype;
static unsigned int hwbug_bitmask;
int vac_cache_size;
......@@ -2186,5 +2184,4 @@ void __init load_mmu(void)
else
sun4m_init_smp();
#endif
btfixup();
}
arch/sparc/mm/viking.S
浏览文件 @ 50544bce
......@@ -14,7 +14,6 @@
#include <asm/page.h>
#include <asm/pgtsrmmu.h>
#include <asm/viking.h>
#include <asm/btfixup.h>
#ifdef CONFIG_SMP
.data
......
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