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Diffstat (limited to 'arch/arm/mach-aaec2000/include/mach/entry-macro.S')
| -rw-r--r-- | arch/arm/mach-aaec2000/include/mach/entry-macro.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-aaec2000/include/mach/entry-macro.S b/arch/arm/mach-aaec2000/include/mach/entry-macro.S new file mode 100644 index 00000000000..c8fb3446900 --- /dev/null +++ b/arch/arm/mach-aaec2000/include/mach/entry-macro.S | |||
| @@ -0,0 +1,40 @@ | |||
| 1 | /* | ||
| 2 | * arch/arm/mach-aaec2000/include/mach/entry-macro.S | ||
| 3 | * | ||
| 4 | * Low-level IRQ helper for aaec-2000 based platforms | ||
| 5 | * | ||
| 6 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License version 2 as | ||
| 10 | * published by the Free Software Foundation. | ||
| 11 | * | ||
| 12 | */ | ||
| 13 | #include <mach/irqs.h> | ||
| 14 | |||
| 15 | .macro disable_fiq | ||
| 16 | .endm | ||
| 17 | |||
| 18 | .macro get_irqnr_preamble, base, tmp | ||
| 19 | .endm | ||
| 20 | |||
| 21 | .macro arch_ret_to_user, tmp1, tmp2 | ||
| 22 | .endm | ||
| 23 | |||
| 24 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | ||
| 25 | mov r4, #0xf8000000 | ||
| 26 | add r4, r4, #0x00000500 | ||
| 27 | mov \base, r4 | ||
| 28 | ldr \irqstat, [\base, #0] | ||
| 29 | cmp \irqstat, #0 | ||
| 30 | bne 1001f | ||
| 31 | ldr \irqnr, =NR_IRQS+1 | ||
| 32 | b 1003f | ||
| 33 | 1001: mov \irqnr, #0 | ||
| 34 | 1002: ands \tmp, \irqstat, #1 | ||
| 35 | mov \irqstat, \irqstat, LSR #1 | ||
| 36 | add \irqnr, \irqnr, #1 | ||
| 37 | beq 1002b | ||
| 38 | sub \irqnr, \irqnr, #1 | ||
| 39 | 1003: | ||
| 40 | .endm | ||
