diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-02-20 10:52:01 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-02-20 10:52:43 +0000 |
| commit | e80a0e6e7ccdf64575d4384cb4172860422f5b81 (patch) | |
| tree | 8960fa71eb73d0f1185e893192411cb873362738 /include/asm-arm/arch-iop13xx/entry-macro.S | |
| parent | 3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff) | |
| parent | 3668b45d46f777b0773ef5ff49531c1144efb6dd (diff) | |
[ARM] Merge remaining IOP code
Conflicts:
include/asm-arm/arch-at91rm9200/entry-macro.S
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-iop13xx/entry-macro.S')
| -rw-r--r-- | include/asm-arm/arch-iop13xx/entry-macro.S | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/include/asm-arm/arch-iop13xx/entry-macro.S b/include/asm-arm/arch-iop13xx/entry-macro.S index 94c50283dc56..a624a7870c64 100644 --- a/include/asm-arm/arch-iop13xx/entry-macro.S +++ b/include/asm-arm/arch-iop13xx/entry-macro.S @@ -19,21 +19,27 @@ .macro disable_fiq .endm + .macro get_irqnr_preamble, base, tmp + mrc p15, 0, \tmp, c15, c1, 0 + orr \tmp, \tmp, #(1 << 6) + mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access + .endm + /* * Note: a 1-cycle window exists where iintvec will return the value * of iintbase, so we explicitly check for "bad zeros" */ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - mrc p15, 0, \tmp, c15, c1, 0 - orr \tmp, \tmp, #(1 << 6) - mcr p15, 0, \tmp, c15, c1, 0 @ Enable cp6 access - mrc p6, 0, \irqnr, c3, c2, 0 @ Read IINTVEC cmp \irqnr, #0 mrceq p6, 0, \irqnr, c3, c2, 0 @ Re-read on potentially bad zero adds \irqstat, \irqnr, #1 @ Check for 0xffffffff movne \irqnr, \irqnr, lsr #2 @ Convert to irqnr + .endm - biceq \tmp, \tmp, #(1 << 6) - mcreq p15, 0, \tmp, c15, c1, 0 @ Disable cp6 access if no more interrupts + .macro arch_ret_to_user, tmp1, tmp2 + mrc p15, 0, \tmp1, c15, c1, 0 + ands \tmp2, \tmp1, #(1 << 6) + bicne \tmp1, \tmp1, #(1 << 6) + mcrne p15, 0, \tmp1, c15, c1, 0 @ Disable cp6 access .endm |