diff options
Diffstat (limited to 'include/asm-arm/arch-at91/entry-macro.S')
| -rw-r--r-- | include/asm-arm/arch-at91/entry-macro.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-arm/arch-at91/entry-macro.S b/include/asm-arm/arch-at91/entry-macro.S index cc1d850a0788..1005eee6219b 100644 --- a/include/asm-arm/arch-at91/entry-macro.S +++ b/include/asm-arm/arch-at91/entry-macro.S | |||
| @@ -17,13 +17,13 @@ | |||
| 17 | .endm | 17 | .endm |
| 18 | 18 | ||
| 19 | .macro get_irqnr_preamble, base, tmp | 19 | .macro get_irqnr_preamble, base, tmp |
| 20 | ldr \base, =(AT91_VA_BASE_SYS + AT91_AIC) @ base virtual address of AIC peripheral | ||
| 20 | .endm | 21 | .endm |
| 21 | 22 | ||
| 22 | .macro arch_ret_to_user, tmp1, tmp2 | 23 | .macro arch_ret_to_user, tmp1, tmp2 |
| 23 | .endm | 24 | .endm |
| 24 | 25 | ||
| 25 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | 26 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| 26 | ldr \base, =(AT91_VA_BASE_SYS + AT91_AIC) @ base virtual address of AIC peripheral | ||
| 27 | ldr \irqnr, [\base, #(AT91_AIC_IVR - AT91_AIC)] @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt) | 27 | ldr \irqnr, [\base, #(AT91_AIC_IVR - AT91_AIC)] @ read IRQ vector register: de-asserts nIRQ to processor (and clears interrupt) |
| 28 | ldr \irqstat, [\base, #(AT91_AIC_ISR - AT91_AIC)] @ read interrupt source number | 28 | ldr \irqstat, [\base, #(AT91_AIC_ISR - AT91_AIC)] @ read interrupt source number |
| 29 | teq \irqstat, #0 @ ISR is 0 when no current interrupt, or spurious interrupt | 29 | teq \irqstat, #0 @ ISR is 0 when no current interrupt, or spurious interrupt |