1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* This file contains the generic code to perform a call to the
* pSeries LPAR hypervisor.
*
* 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
_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 */
_GLOBAL(plpar_hcall)
HMT_MEDIUM
mfcr r0
stw r0,8(r1)
std r4,STK_PARM(r4)(r1) /* Save ret buffer */
mr r4,r5
mr r5,r6
mr r6,r7
mr r7,r8
mr r8,r9
mr r9,r10
HVSC /* invoke the hypervisor */
ld r12,STK_PARM(r4)(r1)
std r4, 0(r12)
std r5, 8(r12)
std r6, 16(r12)
std r7, 24(r12)
lwz r0,8(r1)
mtcrf 0xff,r0
blr /* return r3 = status */
_GLOBAL(plpar_hcall9)
HMT_MEDIUM
mfcr r0
stw r0,8(r1)
std r4,STK_PARM(r4)(r1) /* Save ret buffer */
mr r4,r5
mr r5,r6
mr r6,r7
mr r7,r8
mr r8,r9
mr r9,r10
ld r10,STK_PARM(r11)(r1) /* put arg7 in R10 */
ld r11,STK_PARM(r12)(r1) /* put arg8 in R11 */
ld r12,STK_PARM(r13)(r1) /* put arg9 in R12 */
HVSC /* invoke the hypervisor */
ld r12,STK_PARM(r4)(r1)
std r4, 0(r12)
std r5, 8(r12)
std r6, 16(r12)
std r7, 24(r12)
std r8, 32(r12)
std r9, 40(r12)
std r10,48(r12)
std r11,56(r12)
std r12,64(r12)
lwz r0,8(r1)
mtcrf 0xff,r0
blr /* return r3 = status */
|
