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| author | James Morris <jmorris@namei.org> | 2008-08-28 10:47:34 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2008-08-28 10:47:34 +1000 |
| commit | 86d688984deefa3ae5a802880c11f2b408b5d6cf (patch) | |
| tree | 7ea5e8189b0a774626d3ed7c3c87df2495a4c4a0 /arch/arm/mach-iop32x/include/mach/entry-macro.S | |
| parent | 93c06cbbf9fea5d5be1778febb7fa9ab1a74e5f5 (diff) | |
| parent | 4c246edd2550304df5b766cc841584b2bb058843 (diff) | |
| download | talos-op-linux-86d688984deefa3ae5a802880c11f2b408b5d6cf.tar.gz talos-op-linux-86d688984deefa3ae5a802880c11f2b408b5d6cf.zip | |
Merge branch 'master' into next
Diffstat (limited to 'arch/arm/mach-iop32x/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-iop32x/include/mach/entry-macro.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-iop32x/include/mach/entry-macro.S b/arch/arm/mach-iop32x/include/mach/entry-macro.S new file mode 100644 index 000000000000..b02fb56bafcc --- /dev/null +++ b/arch/arm/mach-iop32x/include/mach/entry-macro.S @@ -0,0 +1,36 @@ +/* + * arch/arm/mach-iop32x/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for IOP32x-based platforms + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#include <mach/iop32x.h> + + .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 + mrc p15, 0, \tmp, c15, c1, 0 + mov \tmp, \tmp + sub pc, pc, #4 @ cp_wait + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + mrc p6, 0, \irqstat, c8, c0, 0 @ Read IINTSRC + cmp \irqstat, #0 + clzne \irqnr, \irqstat + rsbne \irqnr, \irqnr, #31 + .endm + + .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 |
