summaryrefslogtreecommitdiffstats
path: root/arch/mips/mm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/r2300.c8
-rw-r--r--arch/mips/mm/r4xx0.c117
2 files changed, 64 insertions, 61 deletions
diff --git a/arch/mips/mm/r2300.c b/arch/mips/mm/r2300.c
index 2e57625df..954fb6284 100644
--- a/arch/mips/mm/r2300.c
+++ b/arch/mips/mm/r2300.c
@@ -1,7 +1,9 @@
-/* $Id: r2300.c,v 1.5 1996/07/29 11:10:07 dm Exp $
+/*
* r2300.c: R2000 and R3000 specific mmu/cache code.
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ *
+ * $Id: r2300.c,v 1.2 1997/06/28 23:27:19 ralf Exp $
*/
#include <linux/kernel.h>
@@ -126,7 +128,7 @@ static inline void r2300_flush_tlb_all(void)
unsigned long flags;
int entry;
- save_flags(flags); cli();
+ save_and_cli(flags);
write_32bit_cp0_register(CP0_ENTRYLO0, 0);
for(entry = 0; entry < mips_tlb_entries; entry++) {
write_32bit_cp0_register(CP0_INDEX, entry);
@@ -160,7 +162,7 @@ static void r2300_load_pgd(unsigned long pg_dir)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
write_32bit_cp0_register(CP0_ENTRYHI, TLB_ROOT);
write_32bit_cp0_register(CP0_INDEX, 0);
write_32bit_cp0_register(CP0_ENTRYLO0, ((pg_dir >> 6) | 0x00e0));
diff --git a/arch/mips/mm/r4xx0.c b/arch/mips/mm/r4xx0.c
index e110d7571..05e093e92 100644
--- a/arch/mips/mm/r4xx0.c
+++ b/arch/mips/mm/r4xx0.c
@@ -2,6 +2,8 @@
* r4xx0.c: R4000 processor variant specific MMU/Cache routines.
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ *
+ * $Id: r4xx0.c,v 1.5 1997/06/28 23:27:20 ralf Exp $
*/
#include <linux/config.h>
@@ -370,7 +372,7 @@ static inline void r4k_flush_cache_all_s16d16i16(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16(); blast_icache16(); blast_scache16();
restore_flags(flags);
}
@@ -379,7 +381,7 @@ static inline void r4k_flush_cache_all_s32d16i16(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16(); blast_icache16(); blast_scache32();
restore_flags(flags);
}
@@ -388,7 +390,7 @@ static inline void r4k_flush_cache_all_s64d16i16(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16(); blast_icache16(); blast_scache64();
restore_flags(flags);
}
@@ -397,7 +399,7 @@ static inline void r4k_flush_cache_all_s128d16i16(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16(); blast_icache16(); blast_scache128();
restore_flags(flags);
}
@@ -406,7 +408,7 @@ static inline void r4k_flush_cache_all_s16d32i32(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32(); blast_icache32(); blast_scache16();
restore_flags(flags);
}
@@ -415,7 +417,7 @@ static inline void r4k_flush_cache_all_s32d32i32(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32(); blast_icache32(); blast_scache32();
restore_flags(flags);
}
@@ -424,7 +426,7 @@ static inline void r4k_flush_cache_all_s64d32i32(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32(); blast_icache32(); blast_scache64();
restore_flags(flags);
}
@@ -433,7 +435,7 @@ static inline void r4k_flush_cache_all_s128d32i32(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32(); blast_icache32(); blast_scache128();
restore_flags(flags);
}
@@ -442,7 +444,7 @@ static inline void r4k_flush_cache_all_d16i16(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16(); blast_icache16();
restore_flags(flags);
}
@@ -451,7 +453,7 @@ static inline void r4k_flush_cache_all_d32i32(void)
{
unsigned long flags;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32(); blast_icache32();
restore_flags(flags);
}
@@ -481,7 +483,7 @@ r4k_flush_cache_range_s16d16i16(struct mm_struct *mm,
pte_t *pte;
int text;
- save_flags(flags); cli();
+ save_and_cli(flags);
text = vma->vm_flags & VM_EXEC;
while(start < end) {
pgd = pgd_offset(mm, start);
@@ -526,7 +528,7 @@ r4k_flush_cache_range_s32d16i16(struct mm_struct *mm,
pte_t *pte;
int text;
- save_flags(flags); cli();
+ save_and_cli(flags);
text = vma->vm_flags & VM_EXEC;
while(start < end) {
pgd = pgd_offset(mm, start);
@@ -570,7 +572,7 @@ static void r4k_flush_cache_range_s64d16i16(struct mm_struct *mm,
pte_t *pte;
int text;
- save_flags(flags); cli();
+ save_and_cli(flags);
text = vma->vm_flags & VM_EXEC;
while(start < end) {
pgd = pgd_offset(mm, start);
@@ -614,7 +616,7 @@ static void r4k_flush_cache_range_s128d16i16(struct mm_struct *mm,
pte_t *pte;
int text;
- save_flags(flags); cli();
+ save_and_cli(flags);
text = vma->vm_flags & VM_EXEC;
while(start < end) {
pgd = pgd_offset(mm, start);
@@ -658,7 +660,7 @@ static void r4k_flush_cache_range_s16d32i32(struct mm_struct *mm,
pte_t *pte;
int text;
- save_flags(flags); cli();
+ save_and_cli(flags);
text = vma->vm_flags & VM_EXEC;
while(start < end) {
pgd = pgd_offset(mm, start);
@@ -702,7 +704,7 @@ static void r4k_flush_cache_range_s32d32i32(struct mm_struct *mm,
pte_t *pte;
int text;
- save_flags(flags); cli();
+ save_and_cli(flags);
text = vma->vm_flags & VM_EXEC;
while(start < end) {
pgd = pgd_offset(mm, start);
@@ -746,7 +748,7 @@ static void r4k_flush_cache_range_s64d32i32(struct mm_struct *mm,
pte_t *pte;
int text;
- save_flags(flags); cli();
+ save_and_cli(flags);
text = vma->vm_flags & VM_EXEC;
while(start < end) {
pgd = pgd_offset(mm, start);
@@ -790,7 +792,7 @@ static void r4k_flush_cache_range_s128d32i32(struct mm_struct *mm,
pte_t *pte;
int text;
- save_flags(flags); cli();
+ save_and_cli(flags);
text = vma->vm_flags & VM_EXEC;
while(start < end) {
pgd = pgd_offset(mm, start);
@@ -820,7 +822,7 @@ static void r4k_flush_cache_range_d16i16(struct mm_struct *mm,
#ifdef DEBUG_CACHE
printk("crange[%d,%08lx,%08lx]", (int)mm->context, start, end);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16(); blast_icache16();
restore_flags(flags);
}
@@ -836,7 +838,7 @@ static void r4k_flush_cache_range_d32i32(struct mm_struct *mm,
#ifdef DEBUG_CACHE
printk("crange[%d,%08lx,%08lx]", (int)mm->context, start, end);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32(); blast_icache32();
restore_flags(flags);
}
@@ -967,7 +969,7 @@ static void r4k_flush_cache_page_s16d16i16(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1025,7 +1027,7 @@ static void r4k_flush_cache_page_s32d16i16(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1082,7 +1084,7 @@ static void r4k_flush_cache_page_s64d16i16(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1140,7 +1142,7 @@ static void r4k_flush_cache_page_s128d16i16(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1199,7 +1201,7 @@ static void r4k_flush_cache_page_s16d32i32(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1257,7 +1259,7 @@ static void r4k_flush_cache_page_s32d32i32(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1317,7 +1319,7 @@ static void r4k_flush_cache_page_s64d32i32(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1377,7 +1379,7 @@ static void r4k_flush_cache_page_s128d32i32(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1434,7 +1436,7 @@ static void r4k_flush_cache_page_d16i16(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1493,7 +1495,7 @@ static void r4k_flush_cache_page_d32i32(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1551,7 +1553,7 @@ static void r4k_flush_cache_page_d32i32_r4600(struct vm_area_struct *vma,
#ifdef DEBUG_CACHE
printk("cpage[%d,%08lx]", (int)mm->context, page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
page &= PAGE_MASK;
pgdp = pgd_offset(mm, page);
pmdp = pmd_offset(pgdp, page);
@@ -1609,7 +1611,7 @@ static void r4k_flush_page_to_ram_s16d16i16(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16_page(page);
blast_scache16_page(page);
restore_flags(flags);
@@ -1625,7 +1627,7 @@ static void r4k_flush_page_to_ram_s32d16i16(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16_page(page);
blast_scache32_page(page);
restore_flags(flags);
@@ -1641,7 +1643,7 @@ static void r4k_flush_page_to_ram_s64d16i16(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16_page(page);
blast_scache64_page(page);
restore_flags(flags);
@@ -1657,7 +1659,7 @@ static void r4k_flush_page_to_ram_s128d16i16(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16_page(page);
blast_scache128_page(page);
restore_flags(flags);
@@ -1673,7 +1675,7 @@ static void r4k_flush_page_to_ram_s16d32i32(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32_page(page);
blast_scache16_page(page);
restore_flags(flags);
@@ -1689,7 +1691,7 @@ static void r4k_flush_page_to_ram_s32d32i32(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32_page(page);
blast_scache32_page(page);
restore_flags(flags);
@@ -1705,7 +1707,7 @@ static void r4k_flush_page_to_ram_s64d32i32(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32_page(page);
blast_scache64_page(page);
restore_flags(flags);
@@ -1721,7 +1723,7 @@ static void r4k_flush_page_to_ram_s128d32i32(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32_page(page);
blast_scache128_page(page);
restore_flags(flags);
@@ -1737,7 +1739,7 @@ static void r4k_flush_page_to_ram_d16i16(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache16_page(page);
restore_flags(flags);
}
@@ -1752,7 +1754,7 @@ static void r4k_flush_page_to_ram_d32i32(unsigned long page)
#ifdef DEBUG_CACHE
printk("cram[%08lx]", page);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32_page(page);
restore_flags(flags);
}
@@ -1782,7 +1784,7 @@ static void r4k_flush_page_to_ram_d32i32_r4600(unsigned long page)
*/
*(volatile unsigned long *)KSEG1;
- save_flags(flags); cli();
+ save_and_cli(flags);
blast_dcache32_page(page);
blast_dcache32_page(page ^ 0x2000);
#ifdef CONFIG_SGI
@@ -1809,15 +1811,14 @@ static void r4k_flush_page_to_ram_d32i32_r4600(unsigned long page)
daddu %0, 32
mtc0 $0, $12
nop; nop; nop; nop;
- mtc0 %3, $12
- nop; nop; nop; nop;
.set mips0
.set reorder"
: "=&r" (tmp1), "=&r" (tmp2),
- "=&r" (page), "=&r" (flags)
- : "2" (page & 0x0007f000), "3" (flags));
+ "=&r" (page)
+ : "2" (page & 0x0007f000));
}
#endif /* CONFIG_SGI */
+ restore_flags(flags);
}
}
@@ -1847,7 +1848,7 @@ static inline void r4k_flush_tlb_all(void)
printk("[tlball]");
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
/* Save old context and create impossible VPN2 value */
old_ctx = (get_entryhi() & 0xff);
set_entryhi(KSEG0);
@@ -1878,7 +1879,7 @@ static void r4k_flush_tlb_mm(struct mm_struct *mm)
#ifdef DEBUG_TLB
printk("[tlbmm<%d>]", mm->context);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
get_new_mmu_context(mm, asid_cache);
if(mm == current->mm)
set_entryhi(mm->context & 0xff);
@@ -1897,7 +1898,7 @@ static void r4k_flush_tlb_range(struct mm_struct *mm, unsigned long start,
printk("[tlbrange<%02x,%08lx,%08lx>]", (mm->context & 0xff),
start, end);
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
size = (size + 1) >> 1;
if(size <= NTLB_ENTRIES_HALF) {
@@ -1946,7 +1947,7 @@ static void r4k_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
#endif
newpid = (vma->vm_mm->context & 0xff);
page &= (PAGE_MASK << 1);
- save_flags(flags); cli();
+ save_and_cli(flags);
oldpid = (get_entryhi() & 0xff);
set_entryhi(page | newpid);
BARRIER;
@@ -2018,7 +2019,7 @@ static void r4k_update_mmu_cache(struct vm_area_struct * vma,
}
#endif
- save_flags(flags); cli();
+ save_and_cli(flags);
address &= (PAGE_MASK << 1);
set_entryhi(address | (pid));
pgdp = pgd_offset(vma->vm_mm, address);
@@ -2077,7 +2078,7 @@ static void r4k_update_mmu_cache_hwbug(struct vm_area_struct * vma,
pte_t *ptep;
int idx;
- save_flags(flags); cli();
+ save_and_cli(flags);
address &= (PAGE_MASK << 1);
set_entryhi(address | (get_entryhi() & 0xff));
pgdp = pgd_offset(vma->vm_mm, address);
@@ -2244,16 +2245,16 @@ static int probe_scache_eeprom(unsigned long config)
__asm__ __volatile__("
.set noreorder
.set mips3
- li %0, 0x1
- dsll %0, 31
- lui %1, 0x9000
- dsll32 %1, 0
- or %0, %1, %0
mfc0 %2, $12
nop; nop; nop; nop;
li %1, 0x80
mtc0 %1, $12
nop; nop; nop; nop;
+ li %0, 0x1
+ dsll %0, 31
+ lui %1, 0x9000
+ dsll32 %1, 0
+ or %0, %1, %0
sb $0, 0(%0)
mtc0 $0, $12
nop; nop; nop; nop;
@@ -2321,7 +2322,7 @@ static int probe_scache(unsigned long config)
/* This is such a bitch, you'd think they would make it
* easy to do this. Away you daemons of stupidity!
*/
- save_flags(flags); cli();
+ save_and_cli(flags);
/* Fill each size-multiple cache line with a valid tag. */
pow2 = (64 * 1024);