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| author | David Woodhouse <dwmw2@infradead.org> | 2008-02-03 18:29:41 +1100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2008-02-03 18:30:32 +1100 |
| commit | c1f3ee120bb61045b1c0a3ead620d1d65af47130 (patch) | |
| tree | 908430bf2b47fe8e96ac623ae7ab6dd5698d0938 /include/asm-arm/arch-orion/entry-macro.S | |
| parent | e619a75ff6201b567a539e787aa9af9bc63a3187 (diff) | |
| parent | 9135f1901ee6449dfe338adf6e40e9c2025b8150 (diff) | |
| download | talos-op-linux-c1f3ee120bb61045b1c0a3ead620d1d65af47130.tar.gz talos-op-linux-c1f3ee120bb61045b1c0a3ead620d1d65af47130.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/asm-arm/arch-orion/entry-macro.S')
| -rw-r--r-- | include/asm-arm/arch-orion/entry-macro.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-arm/arch-orion/entry-macro.S b/include/asm-arm/arch-orion/entry-macro.S new file mode 100644 index 000000000000..b76075a7e44b --- /dev/null +++ b/include/asm-arm/arch-orion/entry-macro.S @@ -0,0 +1,31 @@ +/* + * include/asm-arm/arch-orion/entry-macro.S + * + * Low-level IRQ helper macros for Orion 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 <asm/arch/orion.h> + + .macro disable_fiq + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =MAIN_IRQ_CAUSE + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqstat, [\base, #0] @ main cause + ldr \tmp, [\base, #(MAIN_IRQ_MASK - MAIN_IRQ_CAUSE)] @ main mask + mov \irqnr, #0 @ default irqnr + @ find cause bits that are unmasked + ands \irqstat, \irqstat, \tmp @ clear Z flag if any + clzne \irqnr, \irqstat @ calc irqnr + rsbne \irqnr, \irqnr, #31 + .endm |
