diff options
Diffstat (limited to 'arch/arm/mm/proc-sa110.S')
| -rw-r--r-- | arch/arm/mm/proc-sa110.S | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S index ff55c8ffa..be9fad45e 100644 --- a/arch/arm/mm/proc-sa110.S +++ b/arch/arm/mm/proc-sa110.S @@ -29,11 +29,11 @@ _sa110_flush_cache_all: @ preserves r0 mov r2, #1 _sa110_flush_cache_all_r2: ldr r3, =Lclean_switch + ldr ip, =FLUSH_BASE ldr r1, [r3] ands r1, r1, #1 eor r1, r1, #1 str r1, [r3] - ldr ip, =FLUSH_BASE addne ip, ip, #32768 add r1, ip, #16384 @ only necessary for 16k 1: ldr r3, [ip], #32 @@ -226,12 +226,12 @@ _sa110_switch_to: ldr r2, [r0, #TSS_MEMMAP] @ Get old page tables str sp, [r0, #TSS_SAVE] @ Save sp_SVC ldr sp, [r1, #TSS_SAVE] @ Get saved sp_SVC - ldr r4, [r1, #TSK_ADDR_LIMIT] - teq r4, #0 - moveq r4, #DOM_KERNELDOMAIN - movne r4, #DOM_USERDOMAIN - mcr p15, 0, r4, c3, c0 @ Set segment + ldr r5, [r1, #TSK_ADDR_LIMIT] ldr r4, [r1, #TSS_MEMMAP] @ Page table pointer + teq r5, #0 + moveq r5, #DOM_KERNELDOMAIN + movne r5, #DOM_USERDOMAIN + mcr p15, 0, r5, c3, c0 @ Set segment /* * Flushing the cache is nightmarishly slow, so we take any excuse * to get out of it. If the old page table is the same as the new, @@ -288,7 +288,8 @@ _sa110_data_abort: */ .align 5 _sa110_set_pmd: str r1, [r0] - mcr p15, 0, r0, c7, c10, 1 @ clean D entry (drain is done by TLB fns) + mcr p15, 0, r0, c7, c10, 1 @ clean D entry + mcr p15, 0, r0, c7, c10, 4 @ drain WB (TLB bypasses WB) mov pc, lr /* @@ -318,6 +319,7 @@ _sa110_set_pte: str r1, [r0], #-1024 @ linux version str r2, [r0] @ hardware version mov r0, r0 mcr p15, 0, r0, c7, c10, 1 @ clean D entry (drain is done by TLB fns) + mcr p15, 0, r0, c7, c10, 4 @ drain WB (TLB bypasses WB) mov pc, lr /* |