1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/watchdog/octeon-wdt-nmi.S b/drivers/watchdog/octeon-wdt-nmi.S
new file mode 100644
index 000000000000..8a900a5e3233
--- /dev/null
+++ b/drivers/watchdog/octeon-wdt-nmi.S
@@ -0,0 +1,64 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2007 Cavium Networks
+ */
+#include <asm/asm.h>
+#include <asm/regdef.h>
+#define SAVE_REG(r)     sd $r, -32768+6912-(32-r)*8($0)
+        NESTED(octeon_wdt_nmi_stage2, 0, sp)
+        .set    push
+        .set    noreorder
+        .set    noat
+        /* Save all registers to the top CVMSEG. This shouldn't
+         * corrupt any state used by the kernel. Also all registers
+         * should have the value right before the NMI. */
+        SAVE_REG(0)
+        SAVE_REG(1)
+        SAVE_REG(2)
+        SAVE_REG(3)
+        SAVE_REG(4)
+        SAVE_REG(5)
+        SAVE_REG(6)
+        SAVE_REG(7)
+        SAVE_REG(8)
+        SAVE_REG(9)
+        SAVE_REG(10)
+        SAVE_REG(11)
+        SAVE_REG(12)
+        SAVE_REG(13)
+        SAVE_REG(14)
+        SAVE_REG(15)
+        SAVE_REG(16)
+        SAVE_REG(17)
+        SAVE_REG(18)
+        SAVE_REG(19)
+        SAVE_REG(20)
+        SAVE_REG(21)
+        SAVE_REG(22)
+        SAVE_REG(23)
+        SAVE_REG(24)
+        SAVE_REG(25)
+        SAVE_REG(26)
+        SAVE_REG(27)
+        SAVE_REG(28)
+        SAVE_REG(29)
+        SAVE_REG(30)
+        SAVE_REG(31)
+        /* Set the stack to begin right below the registers */
+        li      sp, -32768+6912-32*8
+        /* Load the address of the third stage handler */
+        dla     a0, octeon_wdt_nmi_stage3
+        /* Call the third stage handler */
+        jal     a0
+        /* a0 is the address of the saved registers */
+         move   a0, sp
+        /* Loop forvever if we get here. */
+1:      b       1b
+        nop
+        .set pop
+        END(octeon_wdt_nmi_stage2)

diff --git a/drivers/watchdog/octeon-wdt-nmi.S b/drivers/watchdog/octeon-wdt-nmi.S new file mode 100644 index 000000000000..8a900a5e3233 --- /dev/null +++ b/drivers/watchdog/octeon-wdt-nmi.S
@@ -0,0 +1,64 @@
	1	/*
	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. */
	61	1: b 1b
	62	nop
	63	.set pop
	64	END(octeon_wdt_nmi_stage2)