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| author | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
|---|---|---|
| committer | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
| commit | 849369d6c66d3054688672f97d31fceb8e8230fb (patch) | |
| tree | 6135abc790ca67dedbe07c39806591e70eda81ce /arch/arm/mach-sa1100/include/mach/entry-macro.S | |
| download | linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.gz linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.bz2 linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.zip | |
initial_commit
Diffstat (limited to 'arch/arm/mach-sa1100/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-sa1100/include/mach/entry-macro.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/entry-macro.S b/arch/arm/mach-sa1100/include/mach/entry-macro.S new file mode 100644 index 00000000..6aa13c46 --- /dev/null +++ b/arch/arm/mach-sa1100/include/mach/entry-macro.S @@ -0,0 +1,47 @@ +/* + * arch/arm/mach-sa1100/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for SA1100-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. + */ + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + mov \base, #0xfa000000 @ ICIP = 0xfa050000 + add \base, \base, #0x00050000 + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqstat, [\base] @ get irqs + ldr \irqnr, [\base, #4] @ ICMR = 0xfa050004 + ands \irqstat, \irqstat, \irqnr + mov \irqnr, #0 + beq 1001f + tst \irqstat, #0xff + moveq \irqstat, \irqstat, lsr #8 + addeq \irqnr, \irqnr, #8 + tsteq \irqstat, #0xff + moveq \irqstat, \irqstat, lsr #8 + addeq \irqnr, \irqnr, #8 + tsteq \irqstat, #0xff + moveq \irqstat, \irqstat, lsr #8 + addeq \irqnr, \irqnr, #8 + tst \irqstat, #0x0f + moveq \irqstat, \irqstat, lsr #4 + addeq \irqnr, \irqnr, #4 + tst \irqstat, #0x03 + moveq \irqstat, \irqstat, lsr #2 + addeq \irqnr, \irqnr, #2 + tst \irqstat, #0x01 + addeqs \irqnr, \irqnr, #1 +1001: + .endm + |