| /* |
| * 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 */ |