| /* 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 |
