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777f9beb LB |
1 | /* |
2 | * include/asm-arm/arch-loki/entry-macro.S | |
3 | * | |
4 | * Low-level IRQ helper macros for Marvell Loki (88RC8480) platforms | |
5 | * | |
6 | * This file is licensed under the terms of the GNU General Public | |
7 | * License version 2. This program is licensed "as is" without any | |
8 | * warranty of any kind, whether express or implied. | |
9 | */ | |
10 | ||
11 | #include <asm/arch/loki.h> | |
12 | ||
13 | .macro disable_fiq | |
14 | .endm | |
15 | ||
16 | .macro arch_ret_to_user, tmp1, tmp2 | |
17 | .endm | |
18 | ||
19 | .macro get_irqnr_preamble, base, tmp | |
20 | ldr \base, =IRQ_VIRT_BASE | |
21 | .endm | |
22 | ||
23 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | |
24 | ldr \irqstat, [\base, #IRQ_CAUSE_OFF] | |
25 | ldr \tmp, [\base, #IRQ_MASK_OFF] | |
26 | mov \irqnr, #0 | |
27 | ands \irqstat, \irqstat, \tmp | |
28 | clzne \irqnr, \irqstat | |
29 | rsbne \irqnr, \irqnr, #31 | |
30 | .endm |