diff options
Diffstat (limited to 'include/asm-arm/arch-ks8695/entry-macro.S')
-rw-r--r-- | include/asm-arm/arch-ks8695/entry-macro.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ks8695/entry-macro.S b/include/asm-arm/arch-ks8695/entry-macro.S new file mode 100644 index 000000000000..e34bdf85920e --- /dev/null +++ b/include/asm-arm/arch-ks8695/entry-macro.S | |||
@@ -0,0 +1,53 @@ | |||
1 | /* | ||
2 | * include/asm-arm/arch-ks8695/entry-macro.S | ||
3 | * | ||
4 | * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk> | ||
5 | * Copyright (C) 2006 Simtec Electronics | ||
6 | * | ||
7 | * Low-level IRQ helper macros for KS8695 | ||
8 | * | ||
9 | * This file is licensed under the terms of the GNU General Public | ||
10 | * License version 2. This program is licensed "as is" without any | ||
11 | * warranty of any kind, whether express or implied. | ||
12 | */ | ||
13 | |||
14 | #include <asm/hardware.h> | ||
15 | #include <asm/arch/regs-irq.h> | ||
16 | |||
17 | .macro disable_fiq | ||
18 | .endm | ||
19 | |||
20 | .macro get_irqnr_preamble, base, tmp | ||
21 | ldr \base, =KS8695_IRQ_VA @ Base address of interrupt controller | ||
22 | .endm | ||
23 | |||
24 | .macro arch_ret_to_user, tmp1, tmp2 | ||
25 | .endm | ||
26 | |||
27 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | ||
28 | ldr \irqstat, [\base, #KS8695_INTMS] @ Mask Status register | ||
29 | |||
30 | teq \irqstat, #0 | ||
31 | beq 1001f | ||
32 | |||
33 | mov \irqnr, #0 | ||
34 | |||
35 | tst \irqstat, #0xff | ||
36 | moveq \irqstat, \irqstat, lsr #8 | ||
37 | addeq \irqnr, \irqnr, #8 | ||
38 | tsteq \irqstat, #0xff | ||
39 | moveq \irqstat, \irqstat, lsr #8 | ||
40 | addeq \irqnr, \irqnr, #8 | ||
41 | tsteq \irqstat, #0xff | ||
42 | moveq \irqstat, \irqstat, lsr #8 | ||
43 | addeq \irqnr, \irqnr, #8 | ||
44 | tst \irqstat, #0x0f | ||
45 | moveq \irqstat, \irqstat, lsr #4 | ||
46 | addeq \irqnr, \irqnr, #4 | ||
47 | tst \irqstat, #0x03 | ||
48 | moveq \irqstat, \irqstat, lsr #2 | ||
49 | addeq \irqnr, \irqnr, #2 | ||
50 | tst \irqstat, #0x01 | ||
51 | addeqs \irqnr, \irqnr, #1 | ||
52 | 1001: | ||
53 | .endm | ||