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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-05 16:14:15 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:48 +0100 |
| commit | a09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch) | |
| tree | 69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-at91/include/mach/entry-macro.S | |
| parent | a1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff) | |
| download | blackbird-op-linux-a09e64fbc0094e3073dbb09c3b4bfe4ab669244b.tar.gz blackbird-op-linux-a09e64fbc0094e3073dbb09c3b4bfe4ab669244b.zip | |
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-at91/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/entry-macro.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/entry-macro.S b/arch/arm/mach-at91/include/mach/entry-macro.S new file mode 100644 index 000000000000..7ab68f972227 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/entry-macro.S @@ -0,0 +1,32 @@ +/* + * arch/arm/mach-at91/include/mach/entry-macro.S + * + * Copyright (C) 2003-2005 SAN People + * + * Low-level IRQ helper macros for AT91RM9200 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/hardware.h> +#include <mach/at91_aic.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =(AT91_VA_BASE_SYS + AT91_AIC) @ base virtual address of AIC peripheral + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqnr, [\base, #(AT91_AIC_IVR - AT91_AIC)] @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt) + ldr \irqstat, [\base, #(AT91_AIC_ISR - AT91_AIC)] @ read interrupt source number + teq \irqstat, #0 @ ISR is 0 when no current interrupt, or spurious interrupt + streq \tmp, [\base, #(AT91_AIC_EOICR - AT91_AIC)] @ not going to be handled further, then ACK it now. + .endm + |
