diff options
Diffstat (limited to 'arch/mips/sgi-ip32/ip32-irq-glue.S')
| -rw-r--r-- | arch/mips/sgi-ip32/ip32-irq-glue.S | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/arch/mips/sgi-ip32/ip32-irq-glue.S b/arch/mips/sgi-ip32/ip32-irq-glue.S deleted file mode 100644 index 200924e1c4f5..000000000000 --- a/arch/mips/sgi-ip32/ip32-irq-glue.S +++ /dev/null | |||
| @@ -1,86 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Low level interrupt handler for the SGI O2 aka IP32 aka Moosehead | ||
| 3 | * | ||
| 4 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 5 | * License. See the file "COPYING" in the main directory of this archive | ||
| 6 | * for more details. | ||
| 7 | * | ||
| 8 | * Copyright (C) 2000 Harald Koerfgen | ||
| 9 | * Copyright (C) 2001 Keith M Wesolowski | ||
| 10 | */ | ||
| 11 | #include <asm/asm.h> | ||
| 12 | #include <asm/regdef.h> | ||
| 13 | #include <asm/mipsregs.h> | ||
| 14 | #include <asm/stackframe.h> | ||
| 15 | #include <asm/addrspace.h> | ||
| 16 | |||
| 17 | .text | ||
| 18 | .set noreorder | ||
| 19 | .set noat | ||
| 20 | .align 5 | ||
| 21 | NESTED(ip32_handle_int, PT_SIZE, ra) | ||
| 22 | .set noat | ||
| 23 | SAVE_ALL | ||
| 24 | CLI # TEST: interrupts should be off | ||
| 25 | .set at | ||
| 26 | .set noreorder | ||
| 27 | |||
| 28 | mfc0 s0,CP0_CAUSE | ||
| 29 | |||
| 30 | andi t1, s0, IE_IRQ0 | ||
| 31 | bnez t1, handle_irq0 | ||
| 32 | andi t1, s0, IE_IRQ1 | ||
| 33 | bnez t1, handle_irq1 | ||
| 34 | andi t1, s0, IE_IRQ2 | ||
| 35 | bnez t1, handle_irq2 | ||
| 36 | andi t1, s0, IE_IRQ3 | ||
| 37 | bnez t1, handle_irq3 | ||
| 38 | andi t1, s0, IE_IRQ4 | ||
| 39 | bnez t1, handle_irq4 | ||
| 40 | andi t1, s0, IE_IRQ5 | ||
| 41 | bnez t1, handle_irq5 | ||
| 42 | nop | ||
| 43 | |||
| 44 | /* Either someone has triggered the "software interrupts" | ||
| 45 | * or we lost an interrupt somehow. Ignore it. | ||
| 46 | */ | ||
| 47 | j ret_from_irq | ||
| 48 | nop | ||
| 49 | |||
| 50 | handle_irq0: | ||
| 51 | jal ip32_irq0 | ||
| 52 | move a0, sp | ||
| 53 | j ret_from_irq | ||
| 54 | nop | ||
| 55 | |||
| 56 | handle_irq1: | ||
| 57 | jal ip32_irq1 | ||
| 58 | move a0, sp | ||
| 59 | j ret_from_irq | ||
| 60 | nop | ||
| 61 | |||
| 62 | handle_irq2: | ||
| 63 | jal ip32_irq2 | ||
| 64 | move a0, sp | ||
| 65 | j ret_from_irq | ||
| 66 | nop | ||
| 67 | |||
| 68 | handle_irq3: | ||
| 69 | jal ip32_irq3 | ||
| 70 | move a0, sp | ||
| 71 | j ret_from_irq | ||
| 72 | nop | ||
| 73 | |||
| 74 | handle_irq4: | ||
| 75 | jal ip32_irq4 | ||
| 76 | move a0, sp | ||
| 77 | j ret_from_irq | ||
| 78 | nop | ||
| 79 | |||
| 80 | handle_irq5: | ||
| 81 | jal ip32_irq5 | ||
| 82 | move a0, sp | ||
| 83 | j ret_from_irq | ||
| 84 | nop | ||
| 85 | |||
| 86 | END(ip32_handle_int) | ||