diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/include/asm/entry-macro-multi.S | 44 | ||||
-rw-r--r-- | arch/arm/kernel/entry-armv.S | 31 |
2 files changed, 46 insertions, 29 deletions
diff --git a/arch/arm/include/asm/entry-macro-multi.S b/arch/arm/include/asm/entry-macro-multi.S new file mode 100644 index 000000000000..44f21d4584e8 --- /dev/null +++ b/arch/arm/include/asm/entry-macro-multi.S | |||
@@ -0,0 +1,44 @@ | |||
1 | /* | ||
2 | * Interrupt handling. Preserves r7, r8, r9 | ||
3 | */ | ||
4 | .macro arch_irq_handler_default | ||
5 | get_irqnr_preamble r5, lr | ||
6 | 1: get_irqnr_and_base r0, r6, r5, lr | ||
7 | movne r1, sp | ||
8 | @ | ||
9 | @ routine called with r0 = irq number, r1 = struct pt_regs * | ||
10 | @ | ||
11 | adrne lr, BSYM(1b) | ||
12 | bne asm_do_IRQ | ||
13 | |||
14 | #ifdef CONFIG_SMP | ||
15 | /* | ||
16 | * XXX | ||
17 | * | ||
18 | * this macro assumes that irqstat (r6) and base (r5) are | ||
19 | * preserved from get_irqnr_and_base above | ||
20 | */ | ||
21 | ALT_SMP(test_for_ipi r0, r6, r5, lr) | ||
22 | ALT_UP_B(9997f) | ||
23 | movne r0, sp | ||
24 | adrne lr, BSYM(1b) | ||
25 | bne do_IPI | ||
26 | |||
27 | #ifdef CONFIG_LOCAL_TIMERS | ||
28 | test_for_ltirq r0, r6, r5, lr | ||
29 | movne r0, sp | ||
30 | adrne lr, BSYM(1b) | ||
31 | bne do_local_timer | ||
32 | #endif | ||
33 | #endif | ||
34 | 9997: | ||
35 | .endm | ||
36 | |||
37 | .macro arch_irq_handler, symbol_name | ||
38 | .align 5 | ||
39 | .global \symbol_name | ||
40 | \symbol_name: | ||
41 | mov r4, lr | ||
42 | arch_irq_handler_default | ||
43 | mov pc, r4 | ||
44 | .endm | ||
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index caa6c396ec78..a866dce611d0 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S | |||
@@ -25,6 +25,7 @@ | |||
25 | #include <asm/tls.h> | 25 | #include <asm/tls.h> |
26 | 26 | ||
27 | #include "entry-header.S" | 27 | #include "entry-header.S" |
28 | #include <asm/entry-macro-multi.S> | ||
28 | 29 | ||
29 | /* | 30 | /* |
30 | * Interrupt handling. Preserves r7, r8, r9 | 31 | * Interrupt handling. Preserves r7, r8, r9 |
@@ -38,35 +39,7 @@ | |||
38 | teq r5, #0 | 39 | teq r5, #0 |
39 | movne pc, r5 | 40 | movne pc, r5 |
40 | #endif | 41 | #endif |
41 | get_irqnr_preamble r5, lr | 42 | arch_irq_handler_default |
42 | 1: get_irqnr_and_base r0, r6, r5, lr | ||
43 | movne r1, sp | ||
44 | @ | ||
45 | @ routine called with r0 = irq number, r1 = struct pt_regs * | ||
46 | @ | ||
47 | adrne lr, BSYM(1b) | ||
48 | bne asm_do_IRQ | ||
49 | |||
50 | #ifdef CONFIG_SMP | ||
51 | /* | ||
52 | * XXX | ||
53 | * | ||
54 | * this macro assumes that irqstat (r6) and base (r5) are | ||
55 | * preserved from get_irqnr_and_base above | ||
56 | */ | ||
57 | ALT_SMP(test_for_ipi r0, r6, r5, lr) | ||
58 | ALT_UP_B(9997f) | ||
59 | movne r0, sp | ||
60 | adrne lr, BSYM(1b) | ||
61 | bne do_IPI | ||
62 | |||
63 | #ifdef CONFIG_LOCAL_TIMERS | ||
64 | test_for_ltirq r0, r6, r5, lr | ||
65 | movne r0, sp | ||
66 | adrne lr, BSYM(1b) | ||
67 | bne do_local_timer | ||
68 | #endif | ||
69 | #endif | ||
70 | 9997: | 43 | 9997: |
71 | .endm | 44 | .endm |
72 | 45 | ||