diff options
Diffstat (limited to 'arch/arm/mm/abort-ev4.S')
-rw-r--r-- | arch/arm/mm/abort-ev4.S | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/arm/mm/abort-ev4.S b/arch/arm/mm/abort-ev4.S index beb112bdc049..54473cd4aba9 100644 --- a/arch/arm/mm/abort-ev4.S +++ b/arch/arm/mm/abort-ev4.S | |||
@@ -3,14 +3,11 @@ | |||
3 | /* | 3 | /* |
4 | * Function: v4_early_abort | 4 | * Function: v4_early_abort |
5 | * | 5 | * |
6 | * Params : r4 = aborted context pc | 6 | * Params : r2 = pt_regs |
7 | * : r4 = aborted context pc | ||
7 | * : r5 = aborted context psr | 8 | * : r5 = aborted context psr |
8 | * | 9 | * |
9 | * Returns : r0 = address of abort | 10 | * Returns : r4 - r11, r13 preserved |
10 | * : r1 = FSR, bit 11 = write | ||
11 | * : r2-r8 = corrupted | ||
12 | * : r9 = preserved | ||
13 | * : sp = pointer to registers | ||
14 | * | 11 | * |
15 | * Purpose : obtain information about current aborted instruction. | 12 | * Purpose : obtain information about current aborted instruction. |
16 | * Note: we read user space. This means we might cause a data | 13 | * Note: we read user space. This means we might cause a data |
@@ -25,4 +22,4 @@ ENTRY(v4_early_abort) | |||
25 | bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR | 22 | bic r1, r1, #1 << 11 | 1 << 10 @ clear bits 11 and 10 of FSR |
26 | tst r3, #1 << 20 @ L = 1 -> write? | 23 | tst r3, #1 << 20 @ L = 1 -> write? |
27 | orreq r1, r1, #1 << 11 @ yes. | 24 | orreq r1, r1, #1 << 11 @ yes. |
28 | mov pc, lr | 25 | b do_DataAbort |