diff options
Diffstat (limited to 'arch/mips/au1000/common/int-handler.S')
-rw-r--r-- | arch/mips/au1000/common/int-handler.S | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/arch/mips/au1000/common/int-handler.S b/arch/mips/au1000/common/int-handler.S deleted file mode 100644 index 65baa8a8c522..000000000000 --- a/arch/mips/au1000/common/int-handler.S +++ /dev/null | |||
@@ -1,69 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright 2001 MontaVista Software Inc. | ||
3 | * Author: ppopov@mvista.com | ||
4 | * | ||
5 | * Interrupt dispatcher for Au1000 boards. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify it | ||
8 | * under the terms of the GNU General Public License as published by the | ||
9 | * Free Software Foundation; either version 2 of the License, or (at your | ||
10 | * option) any later version. | ||
11 | */ | ||
12 | #include <asm/asm.h> | ||
13 | #include <asm/mipsregs.h> | ||
14 | #include <asm/addrspace.h> | ||
15 | #include <asm/regdef.h> | ||
16 | #include <asm/stackframe.h> | ||
17 | |||
18 | .text | ||
19 | .set macro | ||
20 | .set noat | ||
21 | .align 5 | ||
22 | |||
23 | NESTED(au1000_IRQ, PT_SIZE, sp) | ||
24 | SAVE_ALL | ||
25 | CLI # Important: mark KERNEL mode ! | ||
26 | |||
27 | mfc0 t0,CP0_CAUSE # get pending interrupts | ||
28 | mfc0 t1,CP0_STATUS # get enabled interrupts | ||
29 | and t0,t1 # isolate allowed ones | ||
30 | |||
31 | andi t0,0xff00 # isolate pending bits | ||
32 | beqz t0, 3f # spurious interrupt | ||
33 | |||
34 | andi a0, t0, CAUSEF_IP7 | ||
35 | beq a0, zero, 1f | ||
36 | move a0, sp | ||
37 | jal mips_timer_interrupt | ||
38 | j ret_from_irq | ||
39 | |||
40 | 1: | ||
41 | andi a0, t0, CAUSEF_IP2 # Interrupt Controller 0, Request 0 | ||
42 | beq a0, zero, 2f | ||
43 | move a0,sp | ||
44 | jal intc0_req0_irqdispatch | ||
45 | j ret_from_irq | ||
46 | 2: | ||
47 | andi a0, t0, CAUSEF_IP3 # Interrupt Controller 0, Request 1 | ||
48 | beq a0, zero, 3f | ||
49 | move a0,sp | ||
50 | jal intc0_req1_irqdispatch | ||
51 | j ret_from_irq | ||
52 | 3: | ||
53 | andi a0, t0, CAUSEF_IP4 # Interrupt Controller 1, Request 0 | ||
54 | beq a0, zero, 4f | ||
55 | move a0,sp | ||
56 | jal intc1_req0_irqdispatch | ||
57 | j ret_from_irq | ||
58 | 4: | ||
59 | andi a0, t0, CAUSEF_IP5 # Interrupt Controller 1, Request 1 | ||
60 | beq a0, zero, 5f | ||
61 | move a0, sp | ||
62 | jal intc1_req1_irqdispatch | ||
63 | j ret_from_irq | ||
64 | |||
65 | 5: | ||
66 | move a0, sp | ||
67 | jal spurious_interrupt | ||
68 | j ret_from_irq | ||
69 | END(au1000_IRQ) | ||