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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 13:05:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-09 13:05:57 -0700 |
| commit | 932c37c375cca25175f9b6acee4c75d7a96d985f (patch) | |
| tree | d7ba3620cd9a7a21c2de1bdfc7badd7637ed635e /arch/arm/mm/abort-ev7.S | |
| parent | c855ff3718e5f667b463b20b9de516b4cd7625ad (diff) | |
| parent | 805f53f085346b6765eda02820721a14ce0d644f (diff) | |
| download | blackbird-op-linux-932c37c375cca25175f9b6acee4c75d7a96d985f.tar.gz blackbird-op-linux-932c37c375cca25175f9b6acee4c75d7a96d985f.zip | |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (28 commits)
ARM: OMAP: Fix GCC-reported compile time bug
ARM: OMAP: restore CONFIG_GENERIC_TIME
ARM: OMAP: partial LED fixes
ARM: OMAP: add SoSSI clock (call propagate_rate for childrens)
ARM: OMAP: FB sync with N800 tree (support for dynamic SRAM allocations)
ARM: OMAP: Sync framebuffer headers with N800 tree
ARM: OMAP: Mostly cosmetic to sync up with linux-omap tree
ARM: OMAP: Fix gpmc header
ARM: OMAP: Add mailbox support for IVA
[ARM] armv7: add Makefile and Kconfig entries
[ARM] armv7: add support for asid-tagged VIVT I-cache
[ARM] armv7: add dedicated ARMv7 barrier instructions
[ARM] armv7: Add ARMv7 cacheid macros
[ARM] armv7: add support for ARMv7 cores.
[ARM] Fix ARM branch relocation range
[ARM] 4363/1: AT91: Remove legacy PIO definitions
[ARM] 4361/1: AT91: Build error
ARM: OMAP: Sync core code with linux-omap
ARM: OMAP: Sync headers with linux-omap
ARM: OMAP: h4 must have blinky leds!!
...
Diffstat (limited to 'arch/arm/mm/abort-ev7.S')
| -rw-r--r-- | arch/arm/mm/abort-ev7.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mm/abort-ev7.S b/arch/arm/mm/abort-ev7.S new file mode 100644 index 000000000000..eb90bce38e14 --- /dev/null +++ b/arch/arm/mm/abort-ev7.S @@ -0,0 +1,32 @@ +#include <linux/linkage.h> +#include <asm/assembler.h> +/* + * Function: v7_early_abort + * + * Params : r2 = address of aborted instruction + * : r3 = saved SPSR + * + * Returns : r0 = address of abort + * : r1 = FSR, bit 11 = write + * : r2-r8 = corrupted + * : r9 = preserved + * : sp = pointer to registers + * + * Purpose : obtain information about current aborted instruction. + */ + .align 5 +ENTRY(v7_early_abort) + /* + * The effect of data aborts on on the exclusive access monitor are + * UNPREDICTABLE. Do a CLREX to clear the state + */ + clrex + + mrc p15, 0, r1, c5, c0, 0 @ get FSR + mrc p15, 0, r0, c6, c0, 0 @ get FAR + + /* + * V6 code adjusts the returned DFSR. + * New designs should not need to patch up faults. + */ + mov pc, lr |
