| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #include <asm/assembler.h> | |
| /* | |
| * Interrupt handling. Preserves r7, r8, r9 | |
| */ | |
| .macro arch_irq_handler_default | |
| get_irqnr_preamble r6, lr | |
| 1: get_irqnr_and_base r0, r2, r6, lr | |
| movne r1, sp | |
| @ | |
| @ routine called with r0 = irq number, r1 = struct pt_regs * | |
| @ | |
| badrne lr, 1b | |
| bne asm_do_IRQ | |
| #ifdef CONFIG_SMP | |
| /* | |
| * XXX | |
| * | |
| * this macro assumes that irqstat (r2) and base (r6) are | |
| * preserved from get_irqnr_and_base above | |
| */ | |
| ALT_SMP(test_for_ipi r0, r2, r6, lr) | |
| ALT_UP_B(9997f) | |
| movne r1, sp | |
| badrne lr, 1b | |
| bne do_IPI | |
| #endif | |
| 9997: | |
| .endm | |
| .macro arch_irq_handler, symbol_name | |
| .align 5 | |
| .global \symbol_name | |
| \symbol_name: | |
| mov r8, lr | |
| arch_irq_handler_default | |
| ret r8 | |
| .endm |