2005-04-16 16:20:36 -06:00
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/*
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* This file contains the generic code to perform a call to the
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* pSeries LPAR hypervisor.
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* NOTE: this file will go away when we move to inline this work.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <asm/hvcall.h>
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#include <asm/processor.h>
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#include <asm/ppc_asm.h>
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#define STK_PARM(i) (48 + ((i)-3)*8)
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.text
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/* long plpar_hcall(unsigned long opcode, R3
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unsigned long arg1, R4
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unsigned long arg2, R5
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unsigned long arg3, R6
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unsigned long arg4, R7
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unsigned long *out1, R8
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unsigned long *out2, R9
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unsigned long *out3); R10
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*/
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_GLOBAL(plpar_hcall)
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2005-05-01 09:58:46 -06:00
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HMT_MEDIUM
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2005-04-16 16:20:36 -06:00
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mfcr r0
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std r8,STK_PARM(r8)(r1) /* Save out ptrs */
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std r9,STK_PARM(r9)(r1)
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std r10,STK_PARM(r10)(r1)
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stw r0,8(r1)
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HVSC /* invoke the hypervisor */
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lwz r0,8(r1)
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ld r8,STK_PARM(r8)(r1) /* Fetch r4-r6 ret args */
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ld r9,STK_PARM(r9)(r1)
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ld r10,STK_PARM(r10)(r1)
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std r4,0(r8)
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std r5,0(r9)
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std r6,0(r10)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* Simple interface with no output values (other than status) */
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_GLOBAL(plpar_hcall_norets)
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2005-05-01 09:58:46 -06:00
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HMT_MEDIUM
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2005-04-16 16:20:36 -06:00
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mfcr r0
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stw r0,8(r1)
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HVSC /* invoke the hypervisor */
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* long plpar_hcall_8arg_2ret(unsigned long opcode, R3
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unsigned long arg1, R4
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unsigned long arg2, R5
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unsigned long arg3, R6
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unsigned long arg4, R7
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unsigned long arg5, R8
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unsigned long arg6, R9
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unsigned long arg7, R10
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unsigned long arg8, 112(R1)
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unsigned long *out1); 120(R1)
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*/
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_GLOBAL(plpar_hcall_8arg_2ret)
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2005-05-01 09:58:46 -06:00
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HMT_MEDIUM
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2005-04-16 16:20:36 -06:00
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mfcr r0
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ld r11,STK_PARM(r11)(r1) /* put arg8 in R11 */
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stw r0,8(r1)
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HVSC /* invoke the hypervisor */
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lwz r0,8(r1)
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ld r10,STK_PARM(r12)(r1) /* Fetch r4 ret arg */
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std r4,0(r10)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* long plpar_hcall_4out(unsigned long opcode, R3
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unsigned long arg1, R4
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unsigned long arg2, R5
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unsigned long arg3, R6
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unsigned long arg4, R7
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unsigned long *out1, R8
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unsigned long *out2, R9
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unsigned long *out3, R10
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unsigned long *out4); 112(R1)
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*/
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_GLOBAL(plpar_hcall_4out)
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2005-05-01 09:58:46 -06:00
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HMT_MEDIUM
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2005-04-16 16:20:36 -06:00
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mfcr r0
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stw r0,8(r1)
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std r8,STK_PARM(r8)(r1) /* Save out ptrs */
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std r9,STK_PARM(r9)(r1)
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std r10,STK_PARM(r10)(r1)
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HVSC /* invoke the hypervisor */
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lwz r0,8(r1)
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ld r8,STK_PARM(r8)(r1) /* Fetch r4-r7 ret args */
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ld r9,STK_PARM(r9)(r1)
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ld r10,STK_PARM(r10)(r1)
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ld r11,STK_PARM(r11)(r1)
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std r4,0(r8)
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std r5,0(r9)
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std r6,0(r10)
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std r7,0(r11)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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2006-03-30 13:47:14 -07:00
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/* plpar_hcall_7arg_7ret(unsigned long opcode, R3
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unsigned long arg1, R4
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unsigned long arg2, R5
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unsigned long arg3, R6
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unsigned long arg4, R7
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unsigned long arg5, R8
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unsigned long arg6, R9
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unsigned long arg7, R10
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unsigned long *out1, 112(R1)
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unsigned long *out2, 110(R1)
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unsigned long *out3, 108(R1)
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unsigned long *out4, 106(R1)
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unsigned long *out5, 104(R1)
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unsigned long *out6, 102(R1)
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unsigned long *out7); 100(R1)
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*/
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_GLOBAL(plpar_hcall_7arg_7ret)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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HVSC /* invoke the hypervisor */
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lwz r0,8(r1)
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ld r11,STK_PARM(r11)(r1) /* Fetch r4 ret arg */
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std r4,0(r11)
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ld r11,STK_PARM(r12)(r1) /* Fetch r5 ret arg */
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std r5,0(r11)
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ld r11,STK_PARM(r13)(r1) /* Fetch r6 ret arg */
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std r6,0(r11)
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ld r11,STK_PARM(r14)(r1) /* Fetch r7 ret arg */
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std r7,0(r11)
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ld r11,STK_PARM(r15)(r1) /* Fetch r8 ret arg */
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std r8,0(r11)
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ld r11,STK_PARM(r16)(r1) /* Fetch r9 ret arg */
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std r9,0(r11)
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ld r11,STK_PARM(r17)(r1) /* Fetch r10 ret arg */
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std r10,0(r11)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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/* plpar_hcall_9arg_9ret(unsigned long opcode, R3
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unsigned long arg1, R4
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unsigned long arg2, R5
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unsigned long arg3, R6
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unsigned long arg4, R7
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unsigned long arg5, R8
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unsigned long arg6, R9
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unsigned long arg7, R10
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unsigned long arg8, 112(R1)
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unsigned long arg9, 110(R1)
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unsigned long *out1, 108(R1)
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unsigned long *out2, 106(R1)
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unsigned long *out3, 104(R1)
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unsigned long *out4, 102(R1)
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unsigned long *out5, 100(R1)
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unsigned long *out6, 98(R1)
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unsigned long *out7); 96(R1)
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unsigned long *out8, 94(R1)
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unsigned long *out9, 92(R1)
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*/
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_GLOBAL(plpar_hcall_9arg_9ret)
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HMT_MEDIUM
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mfcr r0
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stw r0,8(r1)
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ld r11,STK_PARM(r11)(r1) /* put arg8 in R11 */
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ld r12,STK_PARM(r12)(r1) /* put arg9 in R12 */
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HVSC /* invoke the hypervisor */
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ld r0,STK_PARM(r13)(r1) /* Fetch r4 ret arg */
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stdx r4,r0,r0
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ld r0,STK_PARM(r14)(r1) /* Fetch r5 ret arg */
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stdx r5,r0,r0
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ld r0,STK_PARM(r15)(r1) /* Fetch r6 ret arg */
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stdx r6,r0,r0
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ld r0,STK_PARM(r16)(r1) /* Fetch r7 ret arg */
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stdx r7,r0,r0
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ld r0,STK_PARM(r17)(r1) /* Fetch r8 ret arg */
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stdx r8,r0,r0
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ld r0,STK_PARM(r18)(r1) /* Fetch r9 ret arg */
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stdx r9,r0,r0
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ld r0,STK_PARM(r19)(r1) /* Fetch r10 ret arg */
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stdx r10,r0,r0
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ld r0,STK_PARM(r20)(r1) /* Fetch r11 ret arg */
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stdx r11,r0,r0
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ld r0,STK_PARM(r21)(r1) /* Fetch r12 ret arg */
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stdx r12,r0,r0
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lwz r0,8(r1)
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mtcrf 0xff,r0
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blr /* return r3 = status */
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