blob: 8a900a5e3233eefdae4fd994102a0dd179ddb512 [file] [log] [blame]
David Daney4c076fb2010-07-24 10:16:05 -07001/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2007 Cavium Networks
7 */
8#include <asm/asm.h>
9#include <asm/regdef.h>
10
11#define SAVE_REG(r) sd $r, -32768+6912-(32-r)*8($0)
12
13 NESTED(octeon_wdt_nmi_stage2, 0, sp)
14 .set push
15 .set noreorder
16 .set noat
17 /* Save all registers to the top CVMSEG. This shouldn't
18 * corrupt any state used by the kernel. Also all registers
19 * should have the value right before the NMI. */
20 SAVE_REG(0)
21 SAVE_REG(1)
22 SAVE_REG(2)
23 SAVE_REG(3)
24 SAVE_REG(4)
25 SAVE_REG(5)
26 SAVE_REG(6)
27 SAVE_REG(7)
28 SAVE_REG(8)
29 SAVE_REG(9)
30 SAVE_REG(10)
31 SAVE_REG(11)
32 SAVE_REG(12)
33 SAVE_REG(13)
34 SAVE_REG(14)
35 SAVE_REG(15)
36 SAVE_REG(16)
37 SAVE_REG(17)
38 SAVE_REG(18)
39 SAVE_REG(19)
40 SAVE_REG(20)
41 SAVE_REG(21)
42 SAVE_REG(22)
43 SAVE_REG(23)
44 SAVE_REG(24)
45 SAVE_REG(25)
46 SAVE_REG(26)
47 SAVE_REG(27)
48 SAVE_REG(28)
49 SAVE_REG(29)
50 SAVE_REG(30)
51 SAVE_REG(31)
52 /* Set the stack to begin right below the registers */
53 li sp, -32768+6912-32*8
54 /* Load the address of the third stage handler */
55 dla a0, octeon_wdt_nmi_stage3
56 /* Call the third stage handler */
57 jal a0
58 /* a0 is the address of the saved registers */
59 move a0, sp
60 /* Loop forvever if we get here. */
611: b 1b
62 nop
63 .set pop
64 END(octeon_wdt_nmi_stage2)