projects / thirdparty / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2bc58a6f MD |
2 | #include <asm/assembler.h> |
| 3 | ||
| cd544ce7 MD |
4 | /* |
| 5 | * Interrupt handling. Preserves r7, r8, r9 | |
| 6 | */ | |
| 7 | .macro arch_irq_handler_default | |
| d9600c99 RK |
8 | get_irqnr_preamble r6, lr |
| 9 | 1: get_irqnr_and_base r0, r2, r6, lr | |
| cd544ce7 MD |
10 | movne r1, sp |
| 11 | @ | |
| 12 | @ routine called with r0 = irq number, r1 = struct pt_regs * | |
| 13 | @ | |
| 14327c66 | 14 | badrne lr, 1b |
| cd544ce7 MD |
15 | bne asm_do_IRQ |
| 16 | ||
| 17 | #ifdef CONFIG_SMP | |
| 18 | /* | |
| 19 | * XXX | |
| 20 | * | |
| d9600c99 | 21 | * this macro assumes that irqstat (r2) and base (r6) are |
| cd544ce7 MD |
22 | * preserved from get_irqnr_and_base above |
| 23 | */ | |
| d9600c99 | 24 | ALT_SMP(test_for_ipi r0, r2, r6, lr) |
| cd544ce7 | 25 | ALT_UP_B(9997f) |
| 4ec3eb13 | 26 | movne r1, sp |
| 14327c66 | 27 | badrne lr, 1b |
| cd544ce7 | 28 | bne do_IPI |
| cd544ce7 MD |
29 | #endif |
| 30 | 9997: | |
| 31 | .endm | |
| 32 | ||
| 33 | .macro arch_irq_handler, symbol_name | |
| 34 | .align 5 | |
| 35 | .global \symbol_name | |
| 36 | \symbol_name: | |
| d9600c99 | 37 | mov r8, lr |
| cd544ce7 | 38 | arch_irq_handler_default |
| 6ebbf2ce | 39 | ret r8 |
| cd544ce7 | 40 | .endm |