1 files changed, 135 insertions, 0 deletions
diff --git a/arch/powerpc/xmon/setjmp.S b/arch/powerpc/xmon/setjmp.S
new file mode 100644
index 000000000000..f8e40dfd2bff
--- /dev/null
+++ b/arch/powerpc/xmon/setjmp.S
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 1996 Paul Mackerras.
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ *
+ * NOTE: assert(sizeof(buf) > 23 * sizeof(long))
+ */
+#include <asm/processor.h>
+#include <asm/ppc_asm.h>
+#include <asm/asm-offsets.h>
+_GLOBAL(xmon_setjmp)
+        mflr    r0
+        STL     r0,0(r3)
+        STL     r1,SZL(r3)
+        STL     r2,2*SZL(r3)
+        mfcr    r0
+        STL     r0,3*SZL(r3)
+        STL     r13,4*SZL(r3)
+        STL     r14,5*SZL(r3)
+        STL     r15,6*SZL(r3)
+        STL     r16,7*SZL(r3)
+        STL     r17,8*SZL(r3)
+        STL     r18,9*SZL(r3)
+        STL     r19,10*SZL(r3)
+        STL     r20,11*SZL(r3)
+        STL     r21,12*SZL(r3)
+        STL     r22,13*SZL(r3)
+        STL     r23,14*SZL(r3)
+        STL     r24,15*SZL(r3)
+        STL     r25,16*SZL(r3)
+        STL     r26,17*SZL(r3)
+        STL     r27,18*SZL(r3)
+        STL     r28,19*SZL(r3)
+        STL     r29,20*SZL(r3)
+        STL     r30,21*SZL(r3)
+        STL     r31,22*SZL(r3)
+        li      r3,0
+        blr
+_GLOBAL(xmon_longjmp)
+        CMPI    r4,0
+        bne     1f
+        li      r4,1
+1:      LDL     r13,4*SZL(r3)
+        LDL     r14,5*SZL(r3)
+        LDL     r15,6*SZL(r3)
+        LDL     r16,7*SZL(r3)
+        LDL     r17,8*SZL(r3)
+        LDL     r18,9*SZL(r3)
+        LDL     r19,10*SZL(r3)
+        LDL     r20,11*SZL(r3)
+        LDL     r21,12*SZL(r3)
+        LDL     r22,13*SZL(r3)
+        LDL     r23,14*SZL(r3)
+        LDL     r24,15*SZL(r3)
+        LDL     r25,16*SZL(r3)
+        LDL     r26,17*SZL(r3)
+        LDL     r27,18*SZL(r3)
+        LDL     r28,19*SZL(r3)
+        LDL     r29,20*SZL(r3)
+        LDL     r30,21*SZL(r3)
+        LDL     r31,22*SZL(r3)
+        LDL     r0,3*SZL(r3)
+        mtcrf   0x38,r0
+        LDL     r0,0(r3)
+        LDL     r1,SZL(r3)
+        LDL     r2,2*SZL(r3)
+        mtlr    r0
+        mr      r3,r4
+        blr
+/*
+ * Grab the register values as they are now.
+ * This won't do a particularily good job because we really
+ * want our caller's caller's registers, and our caller has
+ * already executed its prologue.
+ * ToDo: We could reach back into the caller's save area to do
+ * a better job of representing the caller's state (note that
+ * that will be different for 32-bit and 64-bit, because of the
+ * different ABIs, though).
+ */
+_GLOBAL(xmon_save_regs)
+        STL     r0,0*SZL(r3)
+        STL     r2,2*SZL(r3)
+        STL     r3,3*SZL(r3)
+        STL     r4,4*SZL(r3)
+        STL     r5,5*SZL(r3)
+        STL     r6,6*SZL(r3)
+        STL     r7,7*SZL(r3)
+        STL     r8,8*SZL(r3)
+        STL     r9,9*SZL(r3)
+        STL     r10,10*SZL(r3)
+        STL     r11,11*SZL(r3)
+        STL     r12,12*SZL(r3)
+        STL     r13,13*SZL(r3)
+        STL     r14,14*SZL(r3)
+        STL     r15,15*SZL(r3)
+        STL     r16,16*SZL(r3)
+        STL     r17,17*SZL(r3)
+        STL     r18,18*SZL(r3)
+        STL     r19,19*SZL(r3)
+        STL     r20,20*SZL(r3)
+        STL     r21,21*SZL(r3)
+        STL     r22,22*SZL(r3)
+        STL     r23,23*SZL(r3)
+        STL     r24,24*SZL(r3)
+        STL     r25,25*SZL(r3)
+        STL     r26,26*SZL(r3)
+        STL     r27,27*SZL(r3)
+        STL     r28,28*SZL(r3)
+        STL     r29,29*SZL(r3)
+        STL     r30,30*SZL(r3)
+        STL     r31,31*SZL(r3)
+        /* go up one stack frame for SP */
+        LDL     r4,0(r1)
+        STL     r4,1*SZL(r3)
+        /* get caller's LR */
+        LDL     r0,LRSAVE(r4)
+        STL     r0,_NIP-STACK_FRAME_OVERHEAD(r3)
+        STL     r0,_LINK-STACK_FRAME_OVERHEAD(r3)
+        mfmsr   r0
+        STL     r0,_MSR-STACK_FRAME_OVERHEAD(r3)
+        mfctr   r0
+        STL     r0,_CTR-STACK_FRAME_OVERHEAD(r3)
+        mfxer   r0
+        STL     r0,_XER-STACK_FRAME_OVERHEAD(r3)
+        mfcr    r0
+        STL     r0,_CCR-STACK_FRAME_OVERHEAD(r3)
+        li      r0,0
+        STL     r0,_TRAP-STACK_FRAME_OVERHEAD(r3)
+        blr

diff --git a/arch/powerpc/xmon/setjmp.S b/arch/powerpc/xmon/setjmp.S new file mode 100644 index 000000000000..f8e40dfd2bff --- /dev/null +++ b/arch/powerpc/xmon/setjmp.S
@@ -0,0 +1,135 @@
	1	/*
	2	* Copyright (C) 1996 Paul Mackerras.
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License
	6	* as published by the Free Software Foundation; either version
	7	* 2 of the License, or (at your option) any later version.
	8	*
	9	* NOTE: assert(sizeof(buf) > 23 * sizeof(long))
	10	*/
	11	#include <asm/processor.h>
	12	#include <asm/ppc_asm.h>
	13	#include <asm/asm-offsets.h>
	14
	15	_GLOBAL(xmon_setjmp)
	16	mflr r0
	17	STL r0,0(r3)
	18	STL r1,SZL(r3)
	19	STL r2,2*SZL(r3)
	20	mfcr r0
	21	STL r0,3*SZL(r3)
	22	STL r13,4*SZL(r3)
	23	STL r14,5*SZL(r3)
	24	STL r15,6*SZL(r3)
	25	STL r16,7*SZL(r3)
	26	STL r17,8*SZL(r3)
	27	STL r18,9*SZL(r3)
	28	STL r19,10*SZL(r3)
	29	STL r20,11*SZL(r3)
	30	STL r21,12*SZL(r3)
	31	STL r22,13*SZL(r3)
	32	STL r23,14*SZL(r3)
	33	STL r24,15*SZL(r3)
	34	STL r25,16*SZL(r3)
	35	STL r26,17*SZL(r3)
	36	STL r27,18*SZL(r3)
	37	STL r28,19*SZL(r3)
	38	STL r29,20*SZL(r3)
	39	STL r30,21*SZL(r3)
	40	STL r31,22*SZL(r3)
	41	li r3,0
	42	blr
	43
	44	_GLOBAL(xmon_longjmp)
	45	CMPI r4,0
	46	bne 1f
	47	li r4,1
	48	1: LDL r13,4*SZL(r3)
	49	LDL r14,5*SZL(r3)
	50	LDL r15,6*SZL(r3)
	51	LDL r16,7*SZL(r3)
	52	LDL r17,8*SZL(r3)
	53	LDL r18,9*SZL(r3)
	54	LDL r19,10*SZL(r3)
	55	LDL r20,11*SZL(r3)
	56	LDL r21,12*SZL(r3)
	57	LDL r22,13*SZL(r3)
	58	LDL r23,14*SZL(r3)
	59	LDL r24,15*SZL(r3)
	60	LDL r25,16*SZL(r3)
	61	LDL r26,17*SZL(r3)
	62	LDL r27,18*SZL(r3)
	63	LDL r28,19*SZL(r3)
	64	LDL r29,20*SZL(r3)
	65	LDL r30,21*SZL(r3)
	66	LDL r31,22*SZL(r3)
	67	LDL r0,3*SZL(r3)
	68	mtcrf 0x38,r0
	69	LDL r0,0(r3)
	70	LDL r1,SZL(r3)
	71	LDL r2,2*SZL(r3)
	72	mtlr r0
	73	mr r3,r4
	74	blr
	75
	76	/*
	77	* Grab the register values as they are now.
	78	* This won't do a particularily good job because we really
	79	* want our caller's caller's registers, and our caller has
	80	* already executed its prologue.
	81	* ToDo: We could reach back into the caller's save area to do
	82	* a better job of representing the caller's state (note that
	83	* that will be different for 32-bit and 64-bit, because of the
	84	* different ABIs, though).
	85	*/
	86	_GLOBAL(xmon_save_regs)
	87	STL r0,0*SZL(r3)
	88	STL r2,2*SZL(r3)
	89	STL r3,3*SZL(r3)
	90	STL r4,4*SZL(r3)
	91	STL r5,5*SZL(r3)
	92	STL r6,6*SZL(r3)
	93	STL r7,7*SZL(r3)
	94	STL r8,8*SZL(r3)
	95	STL r9,9*SZL(r3)
	96	STL r10,10*SZL(r3)
	97	STL r11,11*SZL(r3)
	98	STL r12,12*SZL(r3)
	99	STL r13,13*SZL(r3)
	100	STL r14,14*SZL(r3)
	101	STL r15,15*SZL(r3)
	102	STL r16,16*SZL(r3)
	103	STL r17,17*SZL(r3)
	104	STL r18,18*SZL(r3)
	105	STL r19,19*SZL(r3)
	106	STL r20,20*SZL(r3)
	107	STL r21,21*SZL(r3)
	108	STL r22,22*SZL(r3)
	109	STL r23,23*SZL(r3)
	110	STL r24,24*SZL(r3)
	111	STL r25,25*SZL(r3)
	112	STL r26,26*SZL(r3)
	113	STL r27,27*SZL(r3)
	114	STL r28,28*SZL(r3)
	115	STL r29,29*SZL(r3)
	116	STL r30,30*SZL(r3)
	117	STL r31,31*SZL(r3)
	118	/* go up one stack frame for SP */
	119	LDL r4,0(r1)
	120	STL r4,1*SZL(r3)
	121	/* get caller's LR */
	122	LDL r0,LRSAVE(r4)
	123	STL r0,_NIP-STACK_FRAME_OVERHEAD(r3)
	124	STL r0,_LINK-STACK_FRAME_OVERHEAD(r3)
	125	mfmsr r0
	126	STL r0,_MSR-STACK_FRAME_OVERHEAD(r3)
	127	mfctr r0
	128	STL r0,_CTR-STACK_FRAME_OVERHEAD(r3)
	129	mfxer r0
	130	STL r0,_XER-STACK_FRAME_OVERHEAD(r3)
	131	mfcr r0
	132	STL r0,_CCR-STACK_FRAME_OVERHEAD(r3)
	133	li r0,0
	134	STL r0,_TRAP-STACK_FRAME_OVERHEAD(r3)
	135	blr