diff options
Diffstat (limited to 'arch/arm/mach-lpc32xx/include/mach/entry-macro.S')
-rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/entry-macro.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-lpc32xx/include/mach/entry-macro.S b/arch/arm/mach-lpc32xx/include/mach/entry-macro.S new file mode 100644 index 000000000000..870227c96602 --- /dev/null +++ b/arch/arm/mach-lpc32xx/include/mach/entry-macro.S | |||
@@ -0,0 +1,47 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-lpc32xx/include/mach/entry-macro.S | ||
3 | * | ||
4 | * Author: Kevin Wells <kevin.wells@nxp.com> | ||
5 | * | ||
6 | * Copyright (C) 2010 NXP Semiconductors | ||
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 as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | */ | ||
18 | |||
19 | #include <mach/hardware.h> | ||
20 | #include <mach/platform.h> | ||
21 | |||
22 | #define LPC32XX_INTC_MASKED_STATUS_OFS 0x8 | ||
23 | |||
24 | .macro disable_fiq | ||
25 | .endm | ||
26 | |||
27 | .macro get_irqnr_preamble, base, tmp | ||
28 | ldr \base, =IO_ADDRESS(LPC32XX_MIC_BASE) | ||
29 | .endm | ||
30 | |||
31 | .macro arch_ret_to_user, tmp1, tmp2 | ||
32 | .endm | ||
33 | |||
34 | /* | ||
35 | * Return IRQ number in irqnr. Also return processor Z flag status in CPSR | ||
36 | * as set if an interrupt is pending. | ||
37 | */ | ||
38 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | ||
39 | ldr \irqstat, [\base, #LPC32XX_INTC_MASKED_STATUS_OFS] | ||
40 | clz \irqnr, \irqstat | ||
41 | rsb \irqnr, \irqnr, #31 | ||
42 | teq \irqstat, #0 | ||
43 | .endm | ||
44 | |||
45 | .macro irq_prio_table | ||
46 | .endm | ||
47 | |||