diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-06-26 14:42:02 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-07-02 10:56:11 +0100 |
| commit | 0d147db0c127c561f8f9ead9f3c1ec38f89f1040 (patch) | |
| tree | ed499217d06bd42fc70bfcd7d3c0ae8ee05bc0b8 /arch/arm/mm/abort-ev7.S | |
| parent | 3e287bec6fde088bff05ee7f998f53e8ac75b922 (diff) | |
ARM: entry: data abort: avoid using r2 in abort helpers
This allows us to pass the pt_regs pointer in to these functions
ready for tail-calling the abort handler.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/abort-ev7.S')
| -rw-r--r-- | arch/arm/mm/abort-ev7.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S index 6cb51431a85..6f98b3a17ac 100644 --- a/arch/arm/mm/abort-ev7.S +++ b/arch/arm/mm/abort-ev7.S @@ -41,13 +41,13 @@ ENTRY(v7_early_abort) mcr p15, 0, r0, c7, c8, 0 @ Retranslate FAR isb - mrc p15, 0, r2, c7, c4, 0 @ Read the PAR - and r3, r2, #0x7b @ On translation fault + mrc p15, 0, ip, c7, c4, 0 @ Read the PAR + and r3, ip, #0x7b @ On translation fault cmp r3, #0x0b movne pc, lr bic r1, r1, #0xf @ Fix up FSR FS[5:0] - and r2, r2, #0x7e - orr r1, r1, r2, LSR #1 + and ip, ip, #0x7e + orr r1, r1, ip, LSR #1 #endif mov pc, lr |