diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mm/abort-ev6.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mm/abort-ev6.S | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mm/abort-ev6.S b/ANDROID_3.4.5/arch/arm/mm/abort-ev6.S deleted file mode 100644 index 80741992..00000000 --- a/ANDROID_3.4.5/arch/arm/mm/abort-ev6.S +++ /dev/null @@ -1,48 +0,0 @@ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include "abort-macro.S" -/* - * Function: v6_early_abort - * - * Params : r2 = pt_regs - * : r4 = aborted context pc - * : r5 = aborted context psr - * - * Returns : r4 - r11, r13 preserved - * - * Purpose : obtain information about current aborted instruction. - * Note: we read user space. This means we might cause a data - * abort here if the I-TLB and D-TLB aren't seeing the same - * picture. Unfortunately, this does happen. We live with it. - */ - .align 5 -ENTRY(v6_early_abort) -#ifdef CONFIG_CPU_V6 - sub r1, sp, #4 @ Get unused stack location - strex r0, r1, [r1] @ Clear the exclusive monitor -#elif defined(CONFIG_CPU_32v6K) - clrex -#endif - mrc p15, 0, r1, c5, c0, 0 @ get FSR - mrc p15, 0, r0, c6, c0, 0 @ get FAR -/* - * Faulty SWP instruction on 1136 doesn't set bit 11 in DFSR. - */ -#ifdef CONFIG_ARM_ERRATA_326103 - ldr ip, =0x4107b36 - mrc p15, 0, r3, c0, c0, 0 @ get processor id - teq ip, r3, lsr #4 @ r0 ARM1136? - bne do_DataAbort - tst r5, #PSR_J_BIT @ Java? - tsteq r5, #PSR_T_BIT @ Thumb? - bne do_DataAbort - bic r1, r1, #1 << 11 @ clear bit 11 of FSR - ldr r3, [r4] @ read aborted ARM instruction -#ifdef CONFIG_CPU_ENDIAN_BE8 - rev r3, r3 -#endif - do_ldrd_abort tmp=ip, insn=r3 - tst r3, #1 << 20 @ L = 0 -> write - orreq r1, r1, #1 << 11 @ yes. -#endif - b do_DataAbort |