diff options
Diffstat (limited to 'arch/arm/mm')
-rw-r--r-- | arch/arm/mm/abort-ev4.S | 8 | ||||
-rw-r--r-- | arch/arm/mm/abort-ev4t.S | 8 | ||||
-rw-r--r-- | arch/arm/mm/abort-ev5t.S | 8 | ||||
-rw-r--r-- | arch/arm/mm/abort-ev5tj.S | 12 | ||||
-rw-r--r-- | arch/arm/mm/abort-ev6.S | 12 | ||||
-rw-r--r-- | arch/arm/mm/abort-ev7.S | 4 | ||||
-rw-r--r-- | arch/arm/mm/abort-lv4t.S | 12 | ||||
-rw-r--r-- | arch/arm/mm/abort-nommu.S | 4 | ||||
-rw-r--r-- | arch/arm/mm/proc-arm6_7.S | 10 |
9 files changed, 36 insertions, 42 deletions
diff --git a/arch/arm/mm/abort-ev4.S b/arch/arm/mm/abort-ev4.S index 4f18f9e87ba..beb112bdc04 100644 --- a/arch/arm/mm/abort-ev4.S +++ b/arch/arm/mm/abort-ev4.S @@ -3,8 +3,8 @@ /* * Function: v4_early_abort * - * Params : r2 = address of aborted instruction - * : r3 = saved SPSR + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Returns : r0 = address of abort * : r1 = FSR, bit 11 = write @@ -21,10 +21,8 @@ ENTRY(v4_early_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR - ldr r3, [r2] @ read aborted ARM instruction + ldr r3, [r4] @ read aborted ARM instruction bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR tst r3, #1 << 20 @ L = 1 -> write? orreq r1, r1, #1 << 11 @ yes. mov pc, lr - - diff --git a/arch/arm/mm/abort-ev4t.S b/arch/arm/mm/abort-ev4t.S index 9910123079c..eaa4ac02395 100644 --- a/arch/arm/mm/abort-ev4t.S +++ b/arch/arm/mm/abort-ev4t.S @@ -4,8 +4,8 @@ /* * Function: v4t_early_abort * - * Params : r2 = address of aborted instruction - * : r3 = saved SPSR + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Returns : r0 = address of abort * : r1 = FSR, bit 11 = write @@ -22,8 +22,8 @@ ENTRY(v4t_early_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR - do_thumb_abort fsr=r1, pc=r2, psr=r3, tmp=r3 - ldreq r3, [r2] @ read aborted ARM instruction + do_thumb_abort fsr=r1, pc=r4, psr=r5, tmp=r3 + ldreq r3, [r4] @ read aborted ARM instruction bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR tst r3, #1 << 20 @ check write orreq r1, r1, #1 << 11 diff --git a/arch/arm/mm/abort-ev5t.S b/arch/arm/mm/abort-ev5t.S index 800e8d42d39..97eee7c4801 100644 --- a/arch/arm/mm/abort-ev5t.S +++ b/arch/arm/mm/abort-ev5t.S @@ -4,8 +4,8 @@ /* * Function: v5t_early_abort * - * Params : r2 = address of aborted instruction - * : r3 = saved SPSR + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Returns : r0 = address of abort * : r1 = FSR, bit 11 = write @@ -22,8 +22,8 @@ ENTRY(v5t_early_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR - do_thumb_abort fsr=r1, pc=r2, psr=r3, tmp=r3 - ldreq r3, [r2] @ read aborted ARM instruction + do_thumb_abort fsr=r1, pc=r4, psr=r5, tmp=r3 + ldreq r3, [r4] @ read aborted ARM instruction bic r1, r1, #1 << 11 @ clear bits 11 of FSR do_ldrd_abort tmp=r2, insn=r3 tst r3, #1 << 20 @ check write diff --git a/arch/arm/mm/abort-ev5tj.S b/arch/arm/mm/abort-ev5tj.S index bcb58d2fc11..9a365cf1936 100644 --- a/arch/arm/mm/abort-ev5tj.S +++ b/arch/arm/mm/abort-ev5tj.S @@ -4,8 +4,8 @@ /* * Function: v5tj_early_abort * - * Params : r2 = address of aborted instruction - * : r3 = saved SPSR + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Returns : r0 = address of abort * : r1 = FSR, bit 11 = write @@ -23,13 +23,11 @@ ENTRY(v5tj_early_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR - tst r3, #PSR_J_BIT @ Java? + tst r5, #PSR_J_BIT @ Java? movne pc, lr - do_thumb_abort fsr=r1, pc=r2, psr=r3, tmp=r3 - ldreq r3, [r2] @ read aborted ARM instruction + do_thumb_abort fsr=r1, pc=r4, psr=r5, tmp=r3 + ldreq r3, [r4] @ read aborted ARM instruction do_ldrd_abort tmp=r2, insn=r3 tst r3, #1 << 20 @ L = 0 -> write orreq r1, r1, #1 << 11 @ yes. mov pc, lr - - diff --git a/arch/arm/mm/abort-ev6.S b/arch/arm/mm/abort-ev6.S index ef526e702a5..52db4a3fc5f 100644 --- a/arch/arm/mm/abort-ev6.S +++ b/arch/arm/mm/abort-ev6.S @@ -4,8 +4,8 @@ /* * Function: v6_early_abort * - * Params : r2 = address of aborted instruction - * : r3 = saved SPSR + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Returns : r0 = address of abort * : r1 = FSR, bit 11 = write @@ -33,10 +33,10 @@ ENTRY(v6_early_abort) * The test below covers all the write situations, including Java bytecodes */ bic r1, r1, #1 << 11 @ clear bit 11 of FSR - tst r3, #PSR_J_BIT @ Java? + tst r5, #PSR_J_BIT @ Java? movne pc, lr - do_thumb_abort fsr=r1, pc=r2, psr=r3, tmp=r3 - ldreq r3, [r2] @ read aborted ARM instruction + do_thumb_abort fsr=r1, pc=r4, psr=r5, tmp=r3 + ldreq r3, [r4] @ read aborted ARM instruction #ifdef CONFIG_CPU_ENDIAN_BE8 reveq r3, r3 #endif @@ -44,5 +44,3 @@ ENTRY(v6_early_abort) tst r3, #1 << 20 @ L = 0 -> write orreq r1, r1, #1 << 11 @ yes. mov pc, lr - - diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S index ec88b157d3b..6cb51431a85 100644 --- a/arch/arm/mm/abort-ev7.S +++ b/arch/arm/mm/abort-ev7.S @@ -3,8 +3,8 @@ /* * Function: v7_early_abort * - * Params : r2 = address of aborted instruction - * : r3 = saved SPSR + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Returns : r0 = address of abort * : r1 = FSR, bit 11 = write diff --git a/arch/arm/mm/abort-lv4t.S b/arch/arm/mm/abort-lv4t.S index 9fb7b0e25ea..fea7514225a 100644 --- a/arch/arm/mm/abort-lv4t.S +++ b/arch/arm/mm/abort-lv4t.S @@ -3,8 +3,8 @@ /* * Function: v4t_late_abort * - * Params : r2 = address of aborted instruction - * : r3 = saved SPSR + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Returns : r0 = address of abort * : r1 = FSR, bit 11 = write @@ -18,7 +18,7 @@ * picture. Unfortunately, this does happen. We live with it. */ ENTRY(v4t_late_abort) - tst r3, #PSR_T_BIT @ check for thumb mode + tst r5, #PSR_T_BIT @ check for thumb mode #ifdef CONFIG_CPU_CP15_MMU mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR @@ -28,7 +28,7 @@ ENTRY(v4t_late_abort) mov r1, #0 #endif bne .data_thumb_abort - ldr r8, [r2] @ read arm instruction + ldr r8, [r4] @ read arm instruction tst r8, #1 << 20 @ L = 1 -> write? orreq r1, r1, #1 << 11 @ yes. and r7, r8, #15 << 24 @@ -52,7 +52,7 @@ ENTRY(v4t_late_abort) /* e */ b .data_unknown /* f */ .data_unknown: @ Part of jumptable - mov r0, r2 + mov r0, r4 mov r1, r8 mov r2, sp bl baddataabort @@ -159,7 +159,7 @@ ENTRY(v4t_late_abort) b .data_unknown @ F: MUL? .data_thumb_abort: - ldrh r8, [r2] @ read instruction + ldrh r8, [r4] @ read instruction tst r8, #1 << 11 @ L = 1 -> write? orreq r1, r1, #1 << 8 @ yes and r7, r8, #15 << 12 diff --git a/arch/arm/mm/abort-nommu.S b/arch/arm/mm/abort-nommu.S index 625e580945b..9eaef6f846c 100644 --- a/arch/arm/mm/abort-nommu.S +++ b/arch/arm/mm/abort-nommu.S @@ -3,8 +3,8 @@ /* * Function: nommu_early_abort * - * Params : r2 = address of aborted instruction - * : r3 = saved SPSR + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Returns : r0 = 0 (abort address) * : r1 = 0 (FSR) diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S index 5f79dc4ce3f..e7be700db08 100644 --- a/arch/arm/mm/proc-arm6_7.S +++ b/arch/arm/mm/proc-arm6_7.S @@ -29,8 +29,8 @@ ENTRY(cpu_arm7_dcache_clean_area) /* * Function: arm6_7_data_abort () * - * Params : r2 = address of aborted instruction - * : sp = pointer to registers + * Params : r4 = aborted context pc + * : r5 = aborted context psr * * Purpose : obtain information about current aborted instruction * @@ -41,7 +41,7 @@ ENTRY(cpu_arm7_dcache_clean_area) ENTRY(cpu_arm7_data_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR - ldr r8, [r2] @ read arm instruction + ldr r8, [r4] @ read arm instruction tst r8, #1 << 20 @ L = 0 -> write? orreq r1, r1, #1 << 11 @ yes. and r7, r8, #15 << 24 @@ -65,7 +65,7 @@ ENTRY(cpu_arm7_data_abort) /* e */ b .data_unknown /* f */ .data_unknown: @ Part of jumptable - mov r0, r2 + mov r0, r4 mov r1, r8 mov r2, sp bl baddataabort @@ -74,7 +74,7 @@ ENTRY(cpu_arm7_data_abort) ENTRY(cpu_arm6_data_abort) mrc p15, 0, r1, c5, c0, 0 @ get FSR mrc p15, 0, r0, c6, c0, 0 @ get FAR - ldr r8, [r2] @ read arm instruction + ldr r8, [r4] @ read arm instruction tst r8, #1 << 20 @ L = 0 -> write? orreq r1, r1, #1 << 11 @ yes. and r7, r8, #14 << 24 |