📄 entry-macro-iomd.s
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/* * arch/arm/commond/entry-macro-iomd.S * * Low-level IRQ helper macros for IOC/IOMD 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. *//* IOC / IOMD based hardware */#include <asm/hardware/iomd.h> .equ ioc_base_high, IOC_BASE & 0xff000000 .equ ioc_base_low, IOC_BASE & 0x00ff0000 .macro disable_fiq mov r12, #ioc_base_high .if ioc_base_low orr r12, r12, #ioc_base_low .endif strb r12, [r12, #0x38] @ Disable FIQ register .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp mov r4, #ioc_base_high @ point at IOC .if ioc_base_low orr r4, r4, #ioc_base_low .endif ldrb \irqstat, [r4, #IOMD_IRQREQB] @ get high priority first ldr \base, =irq_prio_h teq \irqstat, #0#ifdef IOMD_BASE ldreqb \irqstat, [r4, #IOMD_DMAREQ] @ get dma addeq \base, \base, #256 @ irq_prio_h table size teqeq \irqstat, #0 bne 2406f#endif ldreqb \irqstat, [r4, #IOMD_IRQREQA] @ get low priority addeq \base, \base, #256 @ irq_prio_d table size teqeq \irqstat, #0#ifdef IOMD_IRQREQC ldreqb \irqstat, [r4, #IOMD_IRQREQC] addeq \base, \base, #256 @ irq_prio_l table size teqeq \irqstat, #0#endif#ifdef IOMD_IRQREQD ldreqb \irqstat, [r4, #IOMD_IRQREQD] addeq \base, \base, #256 @ irq_prio_lc table size teqeq \irqstat, #0#endif2406: ldrneb \irqnr, [\base, \irqstat] @ get IRQ number .endm/* * Interrupt table (incorporates priority). Please note that we * rely on the order of these tables (see above code). */ .align 5irq_prio_h: .byte 0, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10 .byte 12, 8, 9, 8,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10 .byte 14,14,14,14,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 .byte 15,15,15,15,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10 .byte 13,13,13,13,10,10,10,10,11,11,11,11,10,10,10,10#ifdef IOMD_BASEirq_prio_d: .byte 0,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 20,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 23,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 22,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16 .byte 21,16,17,16,18,16,17,16,19,16,17,16,18,16,17,16#endifirq_prio_l: .byte 0, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3 .byte 4, 0, 1, 0, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 .byte 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3 .byte 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 .byte 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 .byte 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7#ifdef IOMD_IRQREQCirq_prio_lc: .byte 24,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27 .byte 28,24,25,24,26,26,26,26,27,27,27,27,27,27,27,27 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 .byte 30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27 .byte 30,30,30,30,30,30,30,30,27,27,27,27,27,27,27,27 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 .byte 29,29,29,29,29,29,29,29,29,29,29,29,29,29,29,29 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31 .byte 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31#endif#ifdef IOMD_IRQREQDirq_prio_ld: .byte 40,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43 .byte 44,40,41,40,42,42,42,42,43,43,43,43,43,43,43,43 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 .byte 46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43 .byte 46,46,46,46,46,46,46,46,43,43,43,43,43,43,43,43 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 .byte 45,45,45,45,45,45,45,45,45,45,45,45,45,45,45,45 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47 .byte 47,47,47,47,47,47,47,47,47,47,47,47,47,47,47,47#endif⌨️ 快捷键说明
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