diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
| commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
| tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-iop32x/include/mach/entry-macro.S | |
| parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
| parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) | |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
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 00000000000..b02fb56bafc --- /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 |