diff options
Diffstat (limited to 'arch/mips/ite-boards/generic/int-handler.S')
| -rw-r--r-- | arch/mips/ite-boards/generic/int-handler.S | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/arch/mips/ite-boards/generic/int-handler.S b/arch/mips/ite-boards/generic/int-handler.S deleted file mode 100644 index d190d8add9cb..000000000000 --- a/arch/mips/ite-boards/generic/int-handler.S +++ /dev/null | |||
| @@ -1,63 +0,0 @@ | |||
| 1 | #include <asm/asm.h> | ||
| 2 | #include <asm/mipsregs.h> | ||
| 3 | #include <asm/regdef.h> | ||
| 4 | #include <asm/stackframe.h> | ||
| 5 | |||
| 6 | .text | ||
| 7 | .set macro | ||
| 8 | .set noat | ||
| 9 | .align 5 | ||
| 10 | |||
| 11 | NESTED(it8172_IRQ, PT_SIZE, sp) | ||
| 12 | SAVE_ALL | ||
| 13 | CLI # Important: mark KERNEL mode ! | ||
| 14 | |||
| 15 | /* We're working with 'reorder' set at this point. */ | ||
| 16 | /* | ||
| 17 | * Get pending interrupts | ||
| 18 | */ | ||
| 19 | |||
| 20 | mfc0 t0,CP0_CAUSE # get pending interrupts | ||
| 21 | mfc0 t1,CP0_STATUS # get enabled interrupts | ||
| 22 | and t0,t1 # isolate allowed ones | ||
| 23 | |||
| 24 | andi t0,0xff00 # isolate pending bits | ||
| 25 | beqz t0, 3f # spurious interrupt | ||
| 26 | |||
| 27 | andi a0, t0, CAUSEF_IP7 | ||
| 28 | beq a0, zero, 1f | ||
| 29 | |||
| 30 | li a0, 127 # MIPS_CPU_TIMER_IRQ = (NR_IRQS-1) | ||
| 31 | move a1, sp | ||
| 32 | jal ll_timer_interrupt | ||
| 33 | j ret_from_irq | ||
| 34 | nop | ||
| 35 | |||
| 36 | 1: | ||
| 37 | andi a0, t0, CAUSEF_IP2 # the only int we expect at this time | ||
| 38 | beq a0, zero, 3f | ||
| 39 | move a0,sp | ||
| 40 | jal it8172_hw0_irqdispatch | ||
| 41 | |||
| 42 | mfc0 t0,CP0_STATUS # disable interrupts | ||
| 43 | ori t0,1 | ||
| 44 | xori t0,1 | ||
| 45 | mtc0 t0,CP0_STATUS | ||
| 46 | nop | ||
| 47 | nop | ||
| 48 | nop | ||
| 49 | |||
| 50 | la a1, ret_from_irq | ||
| 51 | jr a1 | ||
| 52 | nop | ||
| 53 | |||
| 54 | 3: | ||
| 55 | move a0, sp | ||
| 56 | jal mips_spurious_interrupt | ||
| 57 | nop | ||
| 58 | la a1, ret_from_irq | ||
| 59 | jr a1 | ||
| 60 | nop | ||
| 61 | |||
| 62 | END(it8172_IRQ) | ||
| 63 | |||
