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- /*
- * arch/arm/mach-vt8500/include/mach/entry-macro.S
- *
- * Low-level IRQ helper macros for VIA VT8500
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
- .macro get_irqnr_preamble, base, tmp
- @ physical 0xd8140000 is virtual 0xf8140000
- mov \base, #0xf8000000
- orr \base, \base, #0x00140000
- .endm
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- ldr \irqnr, [\base]
- cmp \irqnr, #63 @ may be false positive, check interrupt status
- bne 1001f
- ldr \irqstat, [\base, #0x84]
- ands \irqstat, #0x80000000
- moveq \irqnr, #0
- 1001:
- .endm
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