| * include/asm-arm/arch-integrator/entry-macro.S |
| * Low-level IRQ helper macros for Integrator platforms |
| * 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. |
| #include <asm/hardware.h> |
| #include <asm/arch/irqs.h> |
| .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| /* FIXME: should not be using soo many LDRs here */ |
| ldr \base, =IO_ADDRESS(INTEGRATOR_IC_BASE) |
| mov \irqnr, #IRQ_PIC_START |
| ldr \irqstat, [\base, #IRQ_STATUS] @ get masked status |
| ldr \base, =IO_ADDRESS(INTEGRATOR_HDR_BASE) |
| ldreq \irqstat, [\base, #(INTEGRATOR_HDR_IC_OFFSET+IRQ_STATUS)] |
| moveq \irqnr, #IRQ_CIC_START |
| movs \irqstat, \irqstat, lsr #4 |
| movs \irqstat, \irqstat, lsr #1 |
| 1003: /* EQ will be set if no irqs pending */ |