diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 23:05:57 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 23:05:57 +1030 |
| commit | 2ca1a615835d9f4990f42102ab1f2ef434e7e89c (patch) | |
| tree | 726cf3d5f29a6c66c44e4bd68e7ebed2fd83d059 /arch/arm/mach-s3c6400/include/mach/entry-macro.S | |
| parent | e12f0102ac81d660c9f801d0a0e10ccf4537a9de (diff) | |
| parent | 6a94cb73064c952255336cc57731904174b2c58f (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/x86/kernel/io_apic.c
Diffstat (limited to 'arch/arm/mach-s3c6400/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-s3c6400/include/mach/entry-macro.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6400/include/mach/entry-macro.S b/arch/arm/mach-s3c6400/include/mach/entry-macro.S new file mode 100644 index 00000000000..fbd90d2cf35 --- /dev/null +++ b/arch/arm/mach-s3c6400/include/mach/entry-macro.S @@ -0,0 +1,44 @@ +/* arch/arm/mach-s3c6400/include/mach/entry-macro.S + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks <ben@simtec.co.uk> + * + * Low-level IRQ helper macros for the Samsung S3C64XX series + * + * 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/hardware/vic.h> +#include <mach/map.h> +#include <plat/irqs.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =S3C_VA_VIC0 + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + + @ check the vic0 + mov \irqnr, # S3C_IRQ_OFFSET + 31 + ldr \irqstat, [ \base, # VIC_IRQ_STATUS ] + teq \irqstat, #0 + + @ otherwise try vic1 + addeq \tmp, \base, #(S3C_VA_VIC1 - S3C_VA_VIC0) + addeq \irqnr, \irqnr, #32 + ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ] + teqeq \irqstat, #0 + + clzne \irqstat, \irqstat + subne \irqnr, \irqnr, \irqstat + .endm |