diff options
| -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 | ||
