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yaml --- r: 225858 b: refs/heads/master c: cd544ce h: refs/heads/master v: v3
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Magnus Damm
authored and
Russell King
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Dec 24, 2010
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--- | ||
refs/heads/master: 521086412ee423fbdfc7da81f257239c43f707b4 | ||
refs/heads/master: cd544ce754ac2432ffcc0626ea802d2b30876b50 |
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/* | ||
* Interrupt handling. Preserves r7, r8, r9 | ||
*/ | ||
.macro arch_irq_handler_default | ||
get_irqnr_preamble r5, lr | ||
1: get_irqnr_and_base r0, r6, r5, lr | ||
movne r1, sp | ||
@ | ||
@ routine called with r0 = irq number, r1 = struct pt_regs * | ||
@ | ||
adrne lr, BSYM(1b) | ||
bne asm_do_IRQ | ||
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||
#ifdef CONFIG_SMP | ||
/* | ||
* XXX | ||
* | ||
* this macro assumes that irqstat (r6) and base (r5) are | ||
* preserved from get_irqnr_and_base above | ||
*/ | ||
ALT_SMP(test_for_ipi r0, r6, r5, lr) | ||
ALT_UP_B(9997f) | ||
movne r0, sp | ||
adrne lr, BSYM(1b) | ||
bne do_IPI | ||
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||
#ifdef CONFIG_LOCAL_TIMERS | ||
test_for_ltirq r0, r6, r5, lr | ||
movne r0, sp | ||
adrne lr, BSYM(1b) | ||
bne do_local_timer | ||
#endif | ||
#endif | ||
9997: | ||
.endm | ||
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||
.macro arch_irq_handler, symbol_name | ||
.align 5 | ||
.global \symbol_name | ||
\symbol_name: | ||
mov r4, lr | ||
arch_irq_handler_default | ||
mov pc, r4 | ||
.endm |
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