📄 entry-macro.s
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/* * include/asm-arm/arch-footbridge/entry-macro.S * * Low-level IRQ helper macros for footbridge-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. */#include <asm/hardware/dec21285.h> .macro disable_fiq .endm .equ dc21285_high, ARMCSR_BASE & 0xff000000 .equ dc21285_low, ARMCSR_BASE & 0x00ffffff .macro get_irqnr_and_base, irqnr, irqstat, base, tmp mov r4, #dc21285_high .if dc21285_low orr r4, r4, #dc21285_low .endif ldr \irqstat, [r4, #0x180] @ get interrupts mov \irqnr, #IRQ_SDRAMPARITY tst \irqstat, #IRQ_MASK_SDRAMPARITY bne 1001f tst \irqstat, #IRQ_MASK_UART_RX movne \irqnr, #IRQ_CONRX bne 1001f tst \irqstat, #IRQ_MASK_DMA1 movne \irqnr, #IRQ_DMA1 bne 1001f tst \irqstat, #IRQ_MASK_DMA2 movne \irqnr, #IRQ_DMA2 bne 1001f tst \irqstat, #IRQ_MASK_IN0 movne \irqnr, #IRQ_IN0 bne 1001f tst \irqstat, #IRQ_MASK_IN1 movne \irqnr, #IRQ_IN1 bne 1001f tst \irqstat, #IRQ_MASK_IN2 movne \irqnr, #IRQ_IN2 bne 1001f tst \irqstat, #IRQ_MASK_IN3 movne \irqnr, #IRQ_IN3 bne 1001f tst \irqstat, #IRQ_MASK_PCI movne \irqnr, #IRQ_PCI bne 1001f tst \irqstat, #IRQ_MASK_DOORBELLHOST movne \irqnr, #IRQ_DOORBELLHOST bne 1001f tst \irqstat, #IRQ_MASK_I2OINPOST movne \irqnr, #IRQ_I2OINPOST bne 1001f tst \irqstat, #IRQ_MASK_TIMER1 movne \irqnr, #IRQ_TIMER1 bne 1001f tst \irqstat, #IRQ_MASK_TIMER2 movne \irqnr, #IRQ_TIMER2 bne 1001f tst \irqstat, #IRQ_MASK_TIMER3 movne \irqnr, #IRQ_TIMER3 bne 1001f tst \irqstat, #IRQ_MASK_UART_TX movne \irqnr, #IRQ_CONTX bne 1001f tst \irqstat, #IRQ_MASK_PCI_ABORT movne \irqnr, #IRQ_PCI_ABORT bne 1001f tst \irqstat, #IRQ_MASK_PCI_SERR movne \irqnr, #IRQ_PCI_SERR bne 1001f tst \irqstat, #IRQ_MASK_DISCARD_TIMER movne \irqnr, #IRQ_DISCARD_TIMER bne 1001f tst \irqstat, #IRQ_MASK_PCI_DPERR movne \irqnr, #IRQ_PCI_DPERR bne 1001f tst \irqstat, #IRQ_MASK_PCI_PERR movne \irqnr, #IRQ_PCI_PERR1001: .endm⌨️ 快捷键说明
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