1 files changed, 123 insertions, 0 deletions
diff --git a/arch/ppc64/kernel/pSeries_hvCall.S b/arch/ppc64/kernel/pSeries_hvCall.S
new file mode 100644
index 000000000000..0715d3038019
--- /dev/null
+++ b/arch/ppc64/kernel/pSeries_hvCall.S
@@ -0,0 +1,123 @@
+/*
+ * arch/ppc64/kernel/pSeries_hvCall.S
+ *
+ * This file contains the generic code to perform a call to the
+ * pSeries LPAR hypervisor.
+ * NOTE: this file will go away when we move to inline this work.
+ *
+ * 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.
+ */
+#include <asm/hvcall.h>
+#include <asm/processor.h>
+#include <asm/ppc_asm.h>
+        
+#define STK_PARM(i)     (48 + ((i)-3)*8)
+        .text
+/* long plpar_hcall(unsigned long opcode,               R3
+                        unsigned long arg1,             R4
+                        unsigned long arg2,             R5
+                        unsigned long arg3,             R6
+                        unsigned long arg4,             R7
+                        unsigned long *out1,            R8
+                        unsigned long *out2,            R9
+                        unsigned long *out3);           R10
+ */
+_GLOBAL(plpar_hcall)
+        mfcr    r0
+        std     r8,STK_PARM(r8)(r1)     /* Save out ptrs */
+        std     r9,STK_PARM(r9)(r1)
+        std     r10,STK_PARM(r10)(r1)
+        stw     r0,8(r1)
+        HVSC                            /* invoke the hypervisor */
+        lwz     r0,8(r1)
+        ld      r8,STK_PARM(r8)(r1)     /* Fetch r4-r6 ret args */
+        ld      r9,STK_PARM(r9)(r1)
+        ld      r10,STK_PARM(r10)(r1)
+        std     r4,0(r8)
+        std     r5,0(r9)
+        std     r6,0(r10)
+        mtcrf   0xff,r0
+        blr                             /* return r3 = status */
+/* Simple interface with no output values (other than status) */
+_GLOBAL(plpar_hcall_norets)
+        mfcr    r0
+        stw     r0,8(r1)
+        HVSC                            /* invoke the hypervisor */
+        lwz     r0,8(r1)
+        mtcrf   0xff,r0
+        blr                             /* return r3 = status */
+/* long plpar_hcall_8arg_2ret(unsigned long opcode,     R3
+                        unsigned long arg1,             R4
+                        unsigned long arg2,             R5
+                        unsigned long arg3,             R6
+                        unsigned long arg4,             R7
+                        unsigned long arg5,             R8
+                        unsigned long arg6,             R9
+                        unsigned long arg7,             R10
+                        unsigned long arg8,             112(R1)
+                        unsigned long *out1);           120(R1)
+ */
+_GLOBAL(plpar_hcall_8arg_2ret)
+        mfcr    r0
+        ld      r11,STK_PARM(r11)(r1)   /* put arg8 in R11 */
+        stw     r0,8(r1)
+        HVSC                            /* invoke the hypervisor */
+        lwz     r0,8(r1)
+        ld      r10,STK_PARM(r12)(r1)   /* Fetch r4 ret arg */
+        std     r4,0(r10)
+        mtcrf   0xff,r0
+        blr                             /* return r3 = status */
+/* long plpar_hcall_4out(unsigned long opcode,          R3
+                        unsigned long arg1,             R4
+                        unsigned long arg2,             R5
+                        unsigned long arg3,             R6
+                        unsigned long arg4,             R7
+                        unsigned long *out1,            R8
+                        unsigned long *out2,            R9
+                        unsigned long *out3,            R10
+                        unsigned long *out4);           112(R1)
+ */
+_GLOBAL(plpar_hcall_4out)
+        mfcr    r0
+        stw     r0,8(r1)
+        std     r8,STK_PARM(r8)(r1)     /* Save out ptrs */
+        std     r9,STK_PARM(r9)(r1)
+        std     r10,STK_PARM(r10)(r1)
+        HVSC                            /* invoke the hypervisor */
+        lwz     r0,8(r1)
+        ld      r8,STK_PARM(r8)(r1)     /* Fetch r4-r7 ret args */
+        ld      r9,STK_PARM(r9)(r1)
+        ld      r10,STK_PARM(r10)(r1)
+        ld      r11,STK_PARM(r11)(r1)
+        std     r4,0(r8)
+        std     r5,0(r9)
+        std     r6,0(r10)
+        std     r7,0(r11)
+        mtcrf   0xff,r0
+        blr                             /* return r3 = status */

diff --git a/arch/ppc64/kernel/pSeries_hvCall.S b/arch/ppc64/kernel/pSeries_hvCall.S new file mode 100644 index 000000000000..0715d3038019 --- /dev/null +++ b/arch/ppc64/kernel/pSeries_hvCall.S
@@ -0,0 +1,123 @@
	1	/*
	2	* arch/ppc64/kernel/pSeries_hvCall.S
	3	*
	4	* This file contains the generic code to perform a call to the
	5	* pSeries LPAR hypervisor.
	6	* NOTE: this file will go away when we move to inline this work.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License
	10	* as published by the Free Software Foundation; either version
	11	* 2 of the License, or (at your option) any later version.
	12	*/
	13	#include <asm/hvcall.h>
	14	#include <asm/processor.h>
	15	#include <asm/ppc_asm.h>
	16
	17	#define STK_PARM(i) (48 + ((i)-3)*8)
	18
	19	.text
	20
	21	/* long plpar_hcall(unsigned long opcode, R3
	22	unsigned long arg1, R4
	23	unsigned long arg2, R5
	24	unsigned long arg3, R6
	25	unsigned long arg4, R7
	26	unsigned long *out1, R8
	27	unsigned long *out2, R9
	28	unsigned long *out3); R10
	29	*/
	30	_GLOBAL(plpar_hcall)
	31	mfcr r0
	32
	33	std r8,STK_PARM(r8)(r1) /* Save out ptrs */
	34	std r9,STK_PARM(r9)(r1)
	35	std r10,STK_PARM(r10)(r1)
	36
	37	stw r0,8(r1)
	38
	39	HVSC /* invoke the hypervisor */
	40
	41	lwz r0,8(r1)
	42
	43	ld r8,STK_PARM(r8)(r1) /* Fetch r4-r6 ret args */
	44	ld r9,STK_PARM(r9)(r1)
	45	ld r10,STK_PARM(r10)(r1)
	46	std r4,0(r8)
	47	std r5,0(r9)
	48	std r6,0(r10)
	49
	50	mtcrf 0xff,r0
	51	blr /* return r3 = status */
	52
	53
	54	/* Simple interface with no output values (other than status) */
	55	_GLOBAL(plpar_hcall_norets)
	56	mfcr r0
	57	stw r0,8(r1)
	58
	59	HVSC /* invoke the hypervisor */
	60
	61	lwz r0,8(r1)
	62	mtcrf 0xff,r0
	63	blr /* return r3 = status */
	64
	65
	66	/* long plpar_hcall_8arg_2ret(unsigned long opcode, R3
	67	unsigned long arg1, R4
	68	unsigned long arg2, R5
	69	unsigned long arg3, R6
	70	unsigned long arg4, R7
	71	unsigned long arg5, R8
	72	unsigned long arg6, R9
	73	unsigned long arg7, R10
	74	unsigned long arg8, 112(R1)
	75	unsigned long *out1); 120(R1)
	76	*/
	77	_GLOBAL(plpar_hcall_8arg_2ret)
	78	mfcr r0
	79	ld r11,STK_PARM(r11)(r1) /* put arg8 in R11 */
	80	stw r0,8(r1)
	81
	82	HVSC /* invoke the hypervisor */
	83
	84	lwz r0,8(r1)
	85	ld r10,STK_PARM(r12)(r1) /* Fetch r4 ret arg */
	86	std r4,0(r10)
	87	mtcrf 0xff,r0
	88	blr /* return r3 = status */
	89
	90
	91	/* long plpar_hcall_4out(unsigned long opcode, R3
	92	unsigned long arg1, R4
	93	unsigned long arg2, R5
	94	unsigned long arg3, R6
	95	unsigned long arg4, R7
	96	unsigned long *out1, R8
	97	unsigned long *out2, R9
	98	unsigned long *out3, R10
	99	unsigned long *out4); 112(R1)
	100	*/
	101	_GLOBAL(plpar_hcall_4out)
	102	mfcr r0
	103	stw r0,8(r1)
	104
	105	std r8,STK_PARM(r8)(r1) /* Save out ptrs */
	106	std r9,STK_PARM(r9)(r1)
	107	std r10,STK_PARM(r10)(r1)
	108
	109	HVSC /* invoke the hypervisor */
	110
	111	lwz r0,8(r1)
	112
	113	ld r8,STK_PARM(r8)(r1) /* Fetch r4-r7 ret args */
	114	ld r9,STK_PARM(r9)(r1)
	115	ld r10,STK_PARM(r10)(r1)
	116	ld r11,STK_PARM(r11)(r1)
	117	std r4,0(r8)
	118	std r5,0(r9)
	119	std r6,0(r10)
	120	std r7,0(r11)
	121
	122	mtcrf 0xff,r0
	123	blr /* return r3 = status */