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| author | David Woodhouse <dwmw2@infradead.org> | 2006-05-03 13:30:35 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-05-03 13:30:35 +0100 |
| commit | edc4ff7c08e9885c40e60c4fb39fa42cc91a0602 (patch) | |
| tree | f375d28043dd4457428a841167dc93d760ba9a46 /arch/parisc/kernel/pacache.S | |
| parent | cbb9a56177b16294ed347ba7fcb1c66c8adb5dc4 (diff) | |
| parent | e17df688f7064dae1417ce425dd1e4b71d24d63b (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/parisc/kernel/pacache.S')
| -rw-r--r-- | arch/parisc/kernel/pacache.S | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S index 7a4f07e8d3c..f600556414d 100644 --- a/arch/parisc/kernel/pacache.S +++ b/arch/parisc/kernel/pacache.S @@ -65,7 +65,7 @@ flush_tlb_all_local: */ /* pcxt_ssm_bug - relied upon translation! PA 2.0 Arch. F-4 and F-5 */ - rsm PSW_SM_I, %r19 /* save I-bit state */ + rsm PSW_SM_I, %r19 /* save I-bit state */ load32 PA(1f), %r1 nop nop @@ -84,8 +84,7 @@ flush_tlb_all_local: rfi nop -1: ldil L%PA(cache_info), %r1 - ldo R%PA(cache_info)(%r1), %r1 +1: load32 PA(cache_info), %r1 /* Flush Instruction Tlb */ @@ -212,8 +211,7 @@ flush_instruction_cache_local: .entry mtsp %r0, %sr1 - ldil L%cache_info, %r1 - ldo R%cache_info(%r1), %r1 + load32 cache_info, %r1 /* Flush Instruction Cache */ @@ -254,8 +252,7 @@ flush_data_cache_local: .entry mtsp %r0, %sr1 - ldil L%cache_info, %r1 - ldo R%cache_info(%r1), %r1 + load32 cache_info, %r1 /* Flush Data Cache */ @@ -303,7 +300,8 @@ copy_user_page_asm: */ ldd 0(%r25), %r19 - ldi 32, %r1 /* PAGE_SIZE/128 == 32 */ + ldi ASM_PAGE_SIZE_DIV128, %r1 + ldw 64(%r25), %r0 /* prefetch 1 cacheline ahead */ ldw 128(%r25), %r0 /* prefetch 2 */ @@ -368,7 +366,7 @@ copy_user_page_asm: * use ldd/std on a 32 bit kernel. */ ldw 0(%r25), %r19 - ldi 64, %r1 /* PAGE_SIZE/64 == 64 */ + ldi ASM_PAGE_SIZE_DIV64, %r1 1: ldw 4(%r25), %r20 @@ -461,6 +459,7 @@ copy_user_page_asm: sub %r25, %r1, %r23 /* move physical addr into non shadowed reg */ ldil L%(TMPALIAS_MAP_START), %r28 + /* FIXME for different page sizes != 4k */ #ifdef CONFIG_64BIT extrd,u %r26,56,32, %r26 /* convert phys addr to tlb insert format */ extrd,u %r23,56,32, %r23 /* convert phys addr to tlb insert format */ @@ -551,6 +550,7 @@ __clear_user_page_asm: #ifdef CONFIG_64BIT #if (TMPALIAS_MAP_START >= 0x80000000) depdi 0, 31,32, %r28 /* clear any sign extension */ + /* FIXME: page size dependend */ #endif extrd,u %r26, 56,32, %r26 /* convert phys addr to tlb insert format */ depd %r25, 63,22, %r28 /* Form aliased virtual address 'to' */ @@ -566,10 +566,10 @@ __clear_user_page_asm: pdtlb 0(%r28) #ifdef CONFIG_64BIT - ldi 32, %r1 /* PAGE_SIZE/128 == 32 */ + ldi ASM_PAGE_SIZE_DIV128, %r1 /* PREFETCH (Write) has not (yet) been proven to help here */ -/* #define PREFETCHW_OP ldd 256(%0), %r0 */ + /* #define PREFETCHW_OP ldd 256(%0), %r0 */ 1: std %r0, 0(%r28) std %r0, 8(%r28) @@ -591,8 +591,7 @@ __clear_user_page_asm: ldo 128(%r28), %r28 #else /* ! CONFIG_64BIT */ - - ldi 64, %r1 /* PAGE_SIZE/64 == 64 */ + ldi ASM_PAGE_SIZE_DIV64, %r1 1: stw %r0, 0(%r28) |