diff options
Diffstat (limited to 'kernel/arch/powerpc/boot/ps3-hvcall.S')
| -rw-r--r-- | kernel/arch/powerpc/boot/ps3-hvcall.S | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/boot/ps3-hvcall.S b/kernel/arch/powerpc/boot/ps3-hvcall.S new file mode 100644 index 000000000..d6068f182 --- /dev/null +++ b/kernel/arch/powerpc/boot/ps3-hvcall.S @@ -0,0 +1,186 @@ +/* + * PS3 bootwrapper hvcalls. + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * 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; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include "ppc_asm.h" + + .machine "ppc64" + +/* + * The PS3 hypervisor uses a 64 bit "C" language calling convention. + * The routines here marshal arguments between the 32 bit wrapper + * program and the 64 bit hvcalls. + * + * wrapper lv1 + * 32-bit (h,l) 64-bit + * + * 1: r3,r4 <-> r3 + * 2: r5,r6 <-> r4 + * 3: r7,r8 <-> r5 + * 4: r9,r10 <-> r6 + * 5: 8(r1),12(r1) <-> r7 + * 6: 16(r1),20(r1) <-> r8 + * 7: 24(r1),28(r1) <-> r9 + * 8: 32(r1),36(r1) <-> r10 + * + */ + +.macro GLOBAL name + .section ".text" + .balign 4 + .globl \name +\name: +.endm + +.macro NO_SUPPORT name + GLOBAL \name + b ps3_no_support +.endm + +.macro HVCALL num + li r11, \num + .long 0x44000022 + extsw r3, r3 +.endm + +.macro SAVE_LR offset=4 + mflr r0 + stw r0, \offset(r1) +.endm + +.macro LOAD_LR offset=4 + lwz r0, \offset(r1) + mtlr r0 +.endm + +.macro LOAD_64_REG target,high,low + sldi r11, \high, 32 + or \target, r11, \low +.endm + +.macro LOAD_64_STACK target,offset + ld \target, \offset(r1) +.endm + +.macro LOAD_R3 + LOAD_64_REG r3,r3,r4 +.endm + +.macro LOAD_R4 + LOAD_64_REG r4,r5,r6 +.endm + +.macro LOAD_R5 + LOAD_64_REG r5,r7,r8 +.endm + +.macro LOAD_R6 + LOAD_64_REG r6,r9,r10 +.endm + +.macro LOAD_R7 + LOAD_64_STACK r7,8 +.endm + +.macro LOAD_R8 + LOAD_64_STACK r8,16 +.endm + +.macro LOAD_R9 + LOAD_64_STACK r9,24 +.endm + +.macro LOAD_R10 + LOAD_64_STACK r10,32 +.endm + +.macro LOAD_REGS_0 + stwu 1,-16(1) + stw 3, 8(1) +.endm + +.macro LOAD_REGS_5 + LOAD_R3 + LOAD_R4 + LOAD_R5 + LOAD_R6 + LOAD_R7 +.endm + +.macro LOAD_REGS_6 + LOAD_REGS_5 + LOAD_R8 +.endm + +.macro LOAD_REGS_8 + LOAD_REGS_6 + LOAD_R9 + LOAD_R10 +.endm + +.macro STORE_REGS_0_1 + lwz r11, 8(r1) + std r4, 0(r11) + mr r4, r3 + li r3, 0 + addi r1,r1,16 +.endm + +.macro STORE_REGS_5_2 + lwz r11, 16(r1) + std r4, 0(r11) + lwz r11, 20(r1) + std r5, 0(r11) +.endm + +.macro STORE_REGS_6_1 + lwz r11, 24(r1) + std r4, 0(r11) +.endm + +GLOBAL lv1_get_logical_ppe_id + SAVE_LR + LOAD_REGS_0 + HVCALL 69 + STORE_REGS_0_1 + LOAD_LR + blr + +GLOBAL lv1_get_logical_partition_id + SAVE_LR + LOAD_REGS_0 + HVCALL 74 + STORE_REGS_0_1 + LOAD_LR + blr + +GLOBAL lv1_get_repository_node_value + SAVE_LR + LOAD_REGS_5 + HVCALL 91 + STORE_REGS_5_2 + LOAD_LR + blr + +GLOBAL lv1_panic + SAVE_LR + LOAD_REGS_8 + HVCALL 255 + LOAD_LR + blr |