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