diff options
| author | Lennert Buytenhek <buytenh@wantstofly.org> | 2006-09-18 23:24:10 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-09-25 10:25:49 +0100 |
| commit | 7412b10f7967ef4210ed6f793004d23642dc5140 (patch) | |
| tree | f82586f106e50c16b84878cee8e9265dfd9db5e5 /include/asm-arm/arch-iop32x/entry-macro.S | |
| parent | d7d214e974b94e8332d1f6c16f6f19b661dfa855 (diff) | |
[ARM] 3829/1: iop3xx: optimise irq entry macros
Squeeze three instructions out of the iop32x irq demuxer, and nine
out of the iop33x irq demuxer by using the hardware vector generator.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-iop32x/entry-macro.S')
| -rw-r--r-- | include/asm-arm/arch-iop32x/entry-macro.S | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/include/asm-arm/arch-iop32x/entry-macro.S b/include/asm-arm/arch-iop32x/entry-macro.S index c5ec1e23cbe..3497fef0b89 100644 --- a/include/asm-arm/arch-iop32x/entry-macro.S +++ b/include/asm-arm/arch-iop32x/entry-macro.S @@ -16,13 +16,9 @@ * Note: only deal with normal interrupts, not FIQ */ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp - mov \irqnr, #0 ldr \base, =IOP3XX_REG_ADDR(0x07D8) ldr \irqstat, [\base] @ Read IINTSRC - cmp \irqstat, #0 - beq 1001f - clz \irqnr, \irqstat - mov \base, #31 - subs \irqnr,\base,\irqnr -1001: + cmp \irqstat, #0 + clzne \irqnr, \irqstat + rsbne \irqnr, \irqnr, #31 .endm |