Commit | Line | Data |
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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 | @ | |
13 | adrne lr, BSYM(1b) | |
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 |
cd544ce7 MD |
26 | adrne lr, BSYM(1b) |
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 |