?? entry-macro.s
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/* * include/asm-arm/arch-omap/entry-macro.S * * Low-level IRQ helper macros for OMAP-based 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. */#if defined(CONFIG_ARCH_OMAP1) .macro disable_fiq .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp ldr \base, =IO_ADDRESS(OMAP_IH1_BASE) ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET] ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET] mov \irqstat, #0xffffffff bic \tmp, \irqstat, \tmp tst \irqnr, \tmp beq 1510f ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET] cmp \irqnr, #0 ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] cmpeq \irqnr, #INT_IH2_IRQ ldreq \base, =IO_ADDRESS(OMAP_IH2_BASE) ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET] addeqs \irqnr, \irqnr, #321510: .endm#elif defined(CONFIG_ARCH_OMAP24XX)#include <asm/arch/omap24xx.h> .macro disable_fiq .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp ldr \base, =VA_IC_BASE ldr \irqnr, [\base, #0x98] /* IRQ pending reg 1 */ cmp \irqnr, #0x0 bne 2222f ldr \irqnr, [\base, #0xb8] /* IRQ pending reg 2 */ cmp \irqnr, #0x0 bne 2222f ldr \irqnr, [\base, #0xd8] /* IRQ pending reg 3 */ cmp \irqnr, #0x02222: ldrne \irqnr, [\base, #IRQ_SIR_IRQ] .endm .macro irq_prio_table .endm#endif?? 快捷鍵說明
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