2005-04-16 16:20:36 -06:00
|
|
|
/*
|
|
|
|
|
* 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)
|
2005-05-01 09:58:46 -06:00
|
|
|
HMT_MEDIUM
|
|
|
|
|
|
2005-04-16 16:20:36 -06:00
|
|
|
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)
|
2005-05-01 09:58:46 -06:00
|
|
|
HMT_MEDIUM
|
|
|
|
|
|
2005-04-16 16:20:36 -06:00
|
|
|
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)
|
2005-05-01 09:58:46 -06:00
|
|
|
HMT_MEDIUM
|
|
|
|
|
|
2005-04-16 16:20:36 -06:00
|
|
|
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)
|
2005-05-01 09:58:46 -06:00
|
|
|
HMT_MEDIUM
|
|
|
|
|
|
2005-04-16 16:20:36 -06:00
|
|
|
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 */
|
