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174 lines
2.3 KiB
174 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* PS3 bootwrapper hvcalls. |
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* |
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* Copyright (C) 2007 Sony Computer Entertainment Inc. |
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* Copyright 2007 Sony Corp. |
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*/ |
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#include "ppc_asm.h" |
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.machine "ppc64" |
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/* |
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* The PS3 hypervisor uses a 64 bit "C" language calling convention. |
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* The routines here marshal arguments between the 32 bit wrapper |
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* program and the 64 bit hvcalls. |
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* |
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* wrapper lv1 |
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* 32-bit (h,l) 64-bit |
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* |
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* 1: r3,r4 <-> r3 |
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* 2: r5,r6 <-> r4 |
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* 3: r7,r8 <-> r5 |
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* 4: r9,r10 <-> r6 |
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* 5: 8(r1),12(r1) <-> r7 |
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* 6: 16(r1),20(r1) <-> r8 |
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* 7: 24(r1),28(r1) <-> r9 |
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* 8: 32(r1),36(r1) <-> r10 |
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* |
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*/ |
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.macro GLOBAL name |
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.section ".text" |
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.balign 4 |
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.globl \name |
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\name: |
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.endm |
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.macro NO_SUPPORT name |
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GLOBAL \name |
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b ps3_no_support |
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.endm |
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.macro HVCALL num |
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li r11, \num |
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.long 0x44000022 |
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extsw r3, r3 |
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.endm |
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.macro SAVE_LR offset=4 |
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mflr r0 |
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stw r0, \offset(r1) |
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.endm |
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.macro LOAD_LR offset=4 |
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lwz r0, \offset(r1) |
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mtlr r0 |
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.endm |
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.macro LOAD_64_REG target,high,low |
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sldi r11, \high, 32 |
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or \target, r11, \low |
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.endm |
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.macro LOAD_64_STACK target,offset |
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ld \target, \offset(r1) |
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.endm |
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.macro LOAD_R3 |
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LOAD_64_REG r3,r3,r4 |
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.endm |
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.macro LOAD_R4 |
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LOAD_64_REG r4,r5,r6 |
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.endm |
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.macro LOAD_R5 |
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LOAD_64_REG r5,r7,r8 |
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.endm |
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.macro LOAD_R6 |
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LOAD_64_REG r6,r9,r10 |
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.endm |
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.macro LOAD_R7 |
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LOAD_64_STACK r7,8 |
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.endm |
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.macro LOAD_R8 |
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LOAD_64_STACK r8,16 |
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.endm |
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.macro LOAD_R9 |
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LOAD_64_STACK r9,24 |
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.endm |
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.macro LOAD_R10 |
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LOAD_64_STACK r10,32 |
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.endm |
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.macro LOAD_REGS_0 |
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stwu 1,-16(1) |
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stw 3, 8(1) |
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.endm |
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.macro LOAD_REGS_5 |
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LOAD_R3 |
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LOAD_R4 |
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LOAD_R5 |
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LOAD_R6 |
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LOAD_R7 |
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.endm |
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.macro LOAD_REGS_6 |
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LOAD_REGS_5 |
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LOAD_R8 |
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.endm |
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.macro LOAD_REGS_8 |
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LOAD_REGS_6 |
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LOAD_R9 |
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LOAD_R10 |
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.endm |
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.macro STORE_REGS_0_1 |
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lwz r11, 8(r1) |
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std r4, 0(r11) |
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mr r4, r3 |
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li r3, 0 |
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addi r1,r1,16 |
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.endm |
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.macro STORE_REGS_5_2 |
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lwz r11, 16(r1) |
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std r4, 0(r11) |
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lwz r11, 20(r1) |
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std r5, 0(r11) |
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.endm |
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.macro STORE_REGS_6_1 |
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lwz r11, 24(r1) |
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std r4, 0(r11) |
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.endm |
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GLOBAL lv1_get_logical_ppe_id |
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SAVE_LR |
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LOAD_REGS_0 |
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HVCALL 69 |
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STORE_REGS_0_1 |
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LOAD_LR |
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blr |
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GLOBAL lv1_get_logical_partition_id |
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SAVE_LR |
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LOAD_REGS_0 |
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HVCALL 74 |
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STORE_REGS_0_1 |
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LOAD_LR |
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blr |
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GLOBAL lv1_get_repository_node_value |
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SAVE_LR |
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LOAD_REGS_5 |
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HVCALL 91 |
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STORE_REGS_5_2 |
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LOAD_LR |
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blr |
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GLOBAL lv1_panic |
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SAVE_LR |
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LOAD_REGS_8 |
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HVCALL 255 |
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LOAD_LR |
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blr
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