diff options
Diffstat (limited to 'arch/arm/mach-gemini/include/mach/entry-macro.S')
-rw-r--r-- | arch/arm/mach-gemini/include/mach/entry-macro.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-gemini/include/mach/entry-macro.S b/arch/arm/mach-gemini/include/mach/entry-macro.S new file mode 100644 index 000000000000..1624f91a2b8b --- /dev/null +++ b/arch/arm/mach-gemini/include/mach/entry-macro.S | |||
@@ -0,0 +1,39 @@ | |||
1 | /* | ||
2 | * Low-level IRQ helper macros for Gemini platform. | ||
3 | * | ||
4 | * Copyright (C) 2001-2006 Storlink, Corp. | ||
5 | * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> | ||
6 | * | ||
7 | * This file is licensed under the terms of the GNU General Public | ||
8 | * License version 2. This program is licensed "as is" without any | ||
9 | * warranty of any kind, whether express or implied. | ||
10 | */ | ||
11 | #include <mach/hardware.h> | ||
12 | |||
13 | #define IRQ_STATUS 0x14 | ||
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 | ldr \irqstat, =IO_ADDRESS(GEMINI_INTERRUPT_BASE + IRQ_STATUS) | ||
26 | ldr \irqnr, [\irqstat] | ||
27 | cmp \irqnr, #0 | ||
28 | beq 2313f | ||
29 | mov \tmp, \irqnr | ||
30 | mov \irqnr, #0 | ||
31 | 2312: | ||
32 | tst \tmp, #1 | ||
33 | bne 2313f | ||
34 | add \irqnr, \irqnr, #1 | ||
35 | mov \tmp, \tmp, lsr #1 | ||
36 | cmp \irqnr, #31 | ||
37 | bcc 2312b | ||
38 | 2313: | ||
39 | .endm | ||