diff options
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 000000000000..c8fb34469007 --- /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 | ||