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Diffstat (limited to 'arch/mips/cpu/mips32/cpu.c')
-rw-r--r--arch/mips/cpu/mips32/cpu.c40
1 files changed, 15 insertions, 25 deletions
diff --git a/arch/mips/cpu/mips32/cpu.c b/arch/mips/cpu/mips32/cpu.c
index 278865b6ff..1af909a9a5 100644
--- a/arch/mips/cpu/mips32/cpu.c
+++ b/arch/mips/cpu/mips32/cpu.c
@@ -12,16 +12,6 @@
#include <asm/cacheops.h>
#include <asm/reboot.h>
-#define cache_op(op,addr) \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set noreorder \n" \
- " .set mips3\n\t \n" \
- " cache %0, %1 \n" \
- " .set pop \n" \
- : \
- : "i" (op), "R" (*(unsigned char *)(addr)))
-
void __attribute__((weak)) _machine_restart(void)
{
}
@@ -74,20 +64,20 @@ void flush_cache(ulong start_addr, ulong size)
{
unsigned long ilsize = icache_line_size();
unsigned long dlsize = dcache_line_size();
- unsigned long addr, aend;
+ const void *addr, *aend;
/* aend will be miscalculated when size is zero, so we return here */
if (size == 0)
return;
- addr = start_addr & ~(dlsize - 1);
- aend = (start_addr + size - 1) & ~(dlsize - 1);
+ addr = (const void *)(start_addr & ~(dlsize - 1));
+ aend = (const void *)((start_addr + size - 1) & ~(dlsize - 1));
if (ilsize == dlsize) {
/* flush I-cache & D-cache simultaneously */
while (1) {
- cache_op(HIT_WRITEBACK_INV_D, addr);
- cache_op(HIT_INVALIDATE_I, addr);
+ mips_cache(HIT_WRITEBACK_INV_D, addr);
+ mips_cache(HIT_INVALIDATE_I, addr);
if (addr == aend)
break;
addr += dlsize;
@@ -97,17 +87,17 @@ void flush_cache(ulong start_addr, ulong size)
/* flush D-cache */
while (1) {
- cache_op(HIT_WRITEBACK_INV_D, addr);
+ mips_cache(HIT_WRITEBACK_INV_D, addr);
if (addr == aend)
break;
addr += dlsize;
}
/* flush I-cache */
- addr = start_addr & ~(ilsize - 1);
- aend = (start_addr + size - 1) & ~(ilsize - 1);
+ addr = (const void *)(start_addr & ~(ilsize - 1));
+ aend = (const void *)((start_addr + size - 1) & ~(ilsize - 1));
while (1) {
- cache_op(HIT_INVALIDATE_I, addr);
+ mips_cache(HIT_INVALIDATE_I, addr);
if (addr == aend)
break;
addr += ilsize;
@@ -117,11 +107,11 @@ void flush_cache(ulong start_addr, ulong size)
void flush_dcache_range(ulong start_addr, ulong stop)
{
unsigned long lsize = dcache_line_size();
- unsigned long addr = start_addr & ~(lsize - 1);
- unsigned long aend = (stop - 1) & ~(lsize - 1);
+ const void *addr = (const void *)(start_addr & ~(lsize - 1));
+ const void *aend = (const void *)((stop - 1) & ~(lsize - 1));
while (1) {
- cache_op(HIT_WRITEBACK_INV_D, addr);
+ mips_cache(HIT_WRITEBACK_INV_D, addr);
if (addr == aend)
break;
addr += lsize;
@@ -131,11 +121,11 @@ void flush_dcache_range(ulong start_addr, ulong stop)
void invalidate_dcache_range(ulong start_addr, ulong stop)
{
unsigned long lsize = dcache_line_size();
- unsigned long addr = start_addr & ~(lsize - 1);
- unsigned long aend = (stop - 1) & ~(lsize - 1);
+ const void *addr = (const void *)(start_addr & ~(lsize - 1));
+ const void *aend = (const void *)((stop - 1) & ~(lsize - 1));
while (1) {
- cache_op(HIT_INVALIDATE_D, addr);
+ mips_cache(HIT_INVALIDATE_D, addr);
if (addr == aend)
break;
addr += lsize;