Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 LT |
2 | * This file contains the generic code to perform a call to the |
3 | * pSeries LPAR hypervisor. | |
1da177e4 LT |
4 | * |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version | |
8 | * 2 of the License, or (at your option) any later version. | |
9 | */ | |
10 | #include <asm/hvcall.h> | |
11 | #include <asm/processor.h> | |
12 | #include <asm/ppc_asm.h> | |
13 | ||
14 | #define STK_PARM(i) (48 + ((i)-3)*8) | |
15 | ||
16 | .text | |
17 | ||
1da177e4 | 18 | _GLOBAL(plpar_hcall_norets) |
eeb24de4 AB |
19 | HMT_MEDIUM |
20 | ||
1da177e4 LT |
21 | mfcr r0 |
22 | stw r0,8(r1) | |
23 | ||
24 | HVSC /* invoke the hypervisor */ | |
25 | ||
26 | lwz r0,8(r1) | |
27 | mtcrf 0xff,r0 | |
28 | blr /* return r3 = status */ | |
29 | ||
b9377ffc | 30 | _GLOBAL(plpar_hcall) |
eeb24de4 AB |
31 | HMT_MEDIUM |
32 | ||
1da177e4 | 33 | mfcr r0 |
1da177e4 LT |
34 | stw r0,8(r1) |
35 | ||
b9377ffc | 36 | std r4,STK_PARM(r4)(r1) /* Save ret buffer */ |
1da177e4 | 37 | |
b9377ffc AB |
38 | mr r4,r5 |
39 | mr r5,r6 | |
40 | mr r6,r7 | |
41 | mr r7,r8 | |
42 | mr r8,r9 | |
43 | mr r9,r10 | |
1da177e4 LT |
44 | |
45 | HVSC /* invoke the hypervisor */ | |
46 | ||
b9377ffc AB |
47 | ld r12,STK_PARM(r4)(r1) |
48 | std r4, 0(r12) | |
49 | std r5, 8(r12) | |
50 | std r6, 16(r12) | |
51 | std r7, 24(r12) | |
b13a96cf HS |
52 | |
53 | lwz r0,8(r1) | |
b13a96cf HS |
54 | mtcrf 0xff,r0 |
55 | ||
56 | blr /* return r3 = status */ | |
57 | ||
b9377ffc | 58 | _GLOBAL(plpar_hcall9) |
b13a96cf HS |
59 | HMT_MEDIUM |
60 | ||
61 | mfcr r0 | |
62 | stw r0,8(r1) | |
63 | ||
b9377ffc AB |
64 | std r4,STK_PARM(r4)(r1) /* Save ret buffer */ |
65 | ||
66 | mr r4,r5 | |
67 | mr r5,r6 | |
68 | mr r6,r7 | |
69 | mr r7,r8 | |
70 | mr r8,r9 | |
71 | mr r9,r10 | |
72 | ld r10,STK_PARM(r11)(r1) /* put arg7 in R10 */ | |
73 | ld r11,STK_PARM(r12)(r1) /* put arg8 in R11 */ | |
74 | ld r12,STK_PARM(r13)(r1) /* put arg9 in R12 */ | |
b13a96cf HS |
75 | |
76 | HVSC /* invoke the hypervisor */ | |
77 | ||
b9377ffc AB |
78 | ld r12,STK_PARM(r4)(r1) |
79 | std r4, 0(r12) | |
80 | std r5, 8(r12) | |
81 | std r6, 16(r12) | |
82 | std r7, 24(r12) | |
83 | std r8, 32(r12) | |
84 | std r9, 40(r12) | |
85 | std r10,48(r12) | |
86 | std r11,56(r12) | |
87 | std r12,64(r12) | |
b13a96cf HS |
88 | |
89 | lwz r0,8(r1) | |
90 | mtcrf 0xff,r0 | |
91 | ||
92 | blr /* return r3 = status */ |