You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
229 lines
5.2 KiB
229 lines
5.2 KiB
/*
|
|
* 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)
|
|
HMT_MEDIUM
|
|
|
|
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)
|
|
HMT_MEDIUM
|
|
|
|
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)
|
|
HMT_MEDIUM
|
|
|
|
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)
|
|
HMT_MEDIUM
|
|
|
|
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 */
|
|
|
|
/* plpar_hcall_7arg_7ret(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 *out1, 112(R1)
|
|
unsigned long *out2, 110(R1)
|
|
unsigned long *out3, 108(R1)
|
|
unsigned long *out4, 106(R1)
|
|
unsigned long *out5, 104(R1)
|
|
unsigned long *out6, 102(R1)
|
|
unsigned long *out7); 100(R1)
|
|
*/
|
|
_GLOBAL(plpar_hcall_7arg_7ret)
|
|
HMT_MEDIUM
|
|
|
|
mfcr r0
|
|
stw r0,8(r1)
|
|
|
|
HVSC /* invoke the hypervisor */
|
|
|
|
lwz r0,8(r1)
|
|
|
|
ld r11,STK_PARM(r11)(r1) /* Fetch r4 ret arg */
|
|
std r4,0(r11)
|
|
ld r11,STK_PARM(r12)(r1) /* Fetch r5 ret arg */
|
|
std r5,0(r11)
|
|
ld r11,STK_PARM(r13)(r1) /* Fetch r6 ret arg */
|
|
std r6,0(r11)
|
|
ld r11,STK_PARM(r14)(r1) /* Fetch r7 ret arg */
|
|
std r7,0(r11)
|
|
ld r11,STK_PARM(r15)(r1) /* Fetch r8 ret arg */
|
|
std r8,0(r11)
|
|
ld r11,STK_PARM(r16)(r1) /* Fetch r9 ret arg */
|
|
std r9,0(r11)
|
|
ld r11,STK_PARM(r17)(r1) /* Fetch r10 ret arg */
|
|
std r10,0(r11)
|
|
|
|
mtcrf 0xff,r0
|
|
|
|
blr /* return r3 = status */
|
|
|
|
/* plpar_hcall_9arg_9ret(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 arg9, 110(R1)
|
|
unsigned long *out1, 108(R1)
|
|
unsigned long *out2, 106(R1)
|
|
unsigned long *out3, 104(R1)
|
|
unsigned long *out4, 102(R1)
|
|
unsigned long *out5, 100(R1)
|
|
unsigned long *out6, 98(R1)
|
|
unsigned long *out7); 96(R1)
|
|
unsigned long *out8, 94(R1)
|
|
unsigned long *out9, 92(R1)
|
|
*/
|
|
_GLOBAL(plpar_hcall_9arg_9ret)
|
|
HMT_MEDIUM
|
|
|
|
mfcr r0
|
|
stw r0,8(r1)
|
|
|
|
ld r11,STK_PARM(r11)(r1) /* put arg8 in R11 */
|
|
ld r12,STK_PARM(r12)(r1) /* put arg9 in R12 */
|
|
|
|
HVSC /* invoke the hypervisor */
|
|
|
|
ld r0,STK_PARM(r13)(r1) /* Fetch r4 ret arg */
|
|
stdx r4,r0,r0
|
|
ld r0,STK_PARM(r14)(r1) /* Fetch r5 ret arg */
|
|
stdx r5,r0,r0
|
|
ld r0,STK_PARM(r15)(r1) /* Fetch r6 ret arg */
|
|
stdx r6,r0,r0
|
|
ld r0,STK_PARM(r16)(r1) /* Fetch r7 ret arg */
|
|
stdx r7,r0,r0
|
|
ld r0,STK_PARM(r17)(r1) /* Fetch r8 ret arg */
|
|
stdx r8,r0,r0
|
|
ld r0,STK_PARM(r18)(r1) /* Fetch r9 ret arg */
|
|
stdx r9,r0,r0
|
|
ld r0,STK_PARM(r19)(r1) /* Fetch r10 ret arg */
|
|
stdx r10,r0,r0
|
|
ld r0,STK_PARM(r20)(r1) /* Fetch r11 ret arg */
|
|
stdx r11,r0,r0
|
|
ld r0,STK_PARM(r21)(r1) /* Fetch r12 ret arg */
|
|
stdx r12,r0,r0
|
|
|
|
lwz r0,8(r1)
|
|
mtcrf 0xff,r0
|
|
|
|
blr /* return r3 = status */
|
|
|