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- /*
- * arch/arm/mach-aaec2000/include/mach/entry-macro.S
- *
- * Low-level IRQ helper for aaec-2000 based platforms
- *
- * Copyright (c) 2005 Nicolas Bellido Y Ortega
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
- #include <mach/irqs.h>
- .macro disable_fiq
- .endm
- .macro get_irqnr_preamble, base, tmp
- .endm
- .macro arch_ret_to_user, tmp1, tmp2
- .endm
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- mov r4, #0xf8000000
- add r4, r4, #0x00000500
- mov \base, r4
- ldr \irqstat, [\base, #0]
- cmp \irqstat, #0
- bne 1001f
- ldr \irqnr, =NR_IRQS+1
- b 1003f
- 1001: mov \irqnr, #0
- 1002: ands \tmp, \irqstat, #1
- mov \irqstat, \irqstat, LSR #1
- add \irqnr, \irqnr, #1
- beq 1002b
- sub \irqnr, \irqnr, #1
- 1003:
- .endm
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