1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun/* 3*4882a593Smuzhiyun * PS3 bootwrapper hvcalls. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2007 Sony Computer Entertainment Inc. 6*4882a593Smuzhiyun * Copyright 2007 Sony Corp. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun#include "ppc_asm.h" 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun .machine "ppc64" 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun/* 14*4882a593Smuzhiyun * The PS3 hypervisor uses a 64 bit "C" language calling convention. 15*4882a593Smuzhiyun * The routines here marshal arguments between the 32 bit wrapper 16*4882a593Smuzhiyun * program and the 64 bit hvcalls. 17*4882a593Smuzhiyun * 18*4882a593Smuzhiyun * wrapper lv1 19*4882a593Smuzhiyun * 32-bit (h,l) 64-bit 20*4882a593Smuzhiyun * 21*4882a593Smuzhiyun * 1: r3,r4 <-> r3 22*4882a593Smuzhiyun * 2: r5,r6 <-> r4 23*4882a593Smuzhiyun * 3: r7,r8 <-> r5 24*4882a593Smuzhiyun * 4: r9,r10 <-> r6 25*4882a593Smuzhiyun * 5: 8(r1),12(r1) <-> r7 26*4882a593Smuzhiyun * 6: 16(r1),20(r1) <-> r8 27*4882a593Smuzhiyun * 7: 24(r1),28(r1) <-> r9 28*4882a593Smuzhiyun * 8: 32(r1),36(r1) <-> r10 29*4882a593Smuzhiyun * 30*4882a593Smuzhiyun */ 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun.macro GLOBAL name 33*4882a593Smuzhiyun .section ".text" 34*4882a593Smuzhiyun .balign 4 35*4882a593Smuzhiyun .globl \name 36*4882a593Smuzhiyun\name: 37*4882a593Smuzhiyun.endm 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun.macro NO_SUPPORT name 40*4882a593Smuzhiyun GLOBAL \name 41*4882a593Smuzhiyun b ps3_no_support 42*4882a593Smuzhiyun.endm 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun.macro HVCALL num 45*4882a593Smuzhiyun li r11, \num 46*4882a593Smuzhiyun .long 0x44000022 47*4882a593Smuzhiyun extsw r3, r3 48*4882a593Smuzhiyun.endm 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun.macro SAVE_LR offset=4 51*4882a593Smuzhiyun mflr r0 52*4882a593Smuzhiyun stw r0, \offset(r1) 53*4882a593Smuzhiyun.endm 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun.macro LOAD_LR offset=4 56*4882a593Smuzhiyun lwz r0, \offset(r1) 57*4882a593Smuzhiyun mtlr r0 58*4882a593Smuzhiyun.endm 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun.macro LOAD_64_REG target,high,low 61*4882a593Smuzhiyun sldi r11, \high, 32 62*4882a593Smuzhiyun or \target, r11, \low 63*4882a593Smuzhiyun.endm 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun.macro LOAD_64_STACK target,offset 66*4882a593Smuzhiyun ld \target, \offset(r1) 67*4882a593Smuzhiyun.endm 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun.macro LOAD_R3 70*4882a593Smuzhiyun LOAD_64_REG r3,r3,r4 71*4882a593Smuzhiyun.endm 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun.macro LOAD_R4 74*4882a593Smuzhiyun LOAD_64_REG r4,r5,r6 75*4882a593Smuzhiyun.endm 76*4882a593Smuzhiyun 77*4882a593Smuzhiyun.macro LOAD_R5 78*4882a593Smuzhiyun LOAD_64_REG r5,r7,r8 79*4882a593Smuzhiyun.endm 80*4882a593Smuzhiyun 81*4882a593Smuzhiyun.macro LOAD_R6 82*4882a593Smuzhiyun LOAD_64_REG r6,r9,r10 83*4882a593Smuzhiyun.endm 84*4882a593Smuzhiyun 85*4882a593Smuzhiyun.macro LOAD_R7 86*4882a593Smuzhiyun LOAD_64_STACK r7,8 87*4882a593Smuzhiyun.endm 88*4882a593Smuzhiyun 89*4882a593Smuzhiyun.macro LOAD_R8 90*4882a593Smuzhiyun LOAD_64_STACK r8,16 91*4882a593Smuzhiyun.endm 92*4882a593Smuzhiyun 93*4882a593Smuzhiyun.macro LOAD_R9 94*4882a593Smuzhiyun LOAD_64_STACK r9,24 95*4882a593Smuzhiyun.endm 96*4882a593Smuzhiyun 97*4882a593Smuzhiyun.macro LOAD_R10 98*4882a593Smuzhiyun LOAD_64_STACK r10,32 99*4882a593Smuzhiyun.endm 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun.macro LOAD_REGS_0 102*4882a593Smuzhiyun stwu 1,-16(1) 103*4882a593Smuzhiyun stw 3, 8(1) 104*4882a593Smuzhiyun.endm 105*4882a593Smuzhiyun 106*4882a593Smuzhiyun.macro LOAD_REGS_5 107*4882a593Smuzhiyun LOAD_R3 108*4882a593Smuzhiyun LOAD_R4 109*4882a593Smuzhiyun LOAD_R5 110*4882a593Smuzhiyun LOAD_R6 111*4882a593Smuzhiyun LOAD_R7 112*4882a593Smuzhiyun.endm 113*4882a593Smuzhiyun 114*4882a593Smuzhiyun.macro LOAD_REGS_6 115*4882a593Smuzhiyun LOAD_REGS_5 116*4882a593Smuzhiyun LOAD_R8 117*4882a593Smuzhiyun.endm 118*4882a593Smuzhiyun 119*4882a593Smuzhiyun.macro LOAD_REGS_8 120*4882a593Smuzhiyun LOAD_REGS_6 121*4882a593Smuzhiyun LOAD_R9 122*4882a593Smuzhiyun LOAD_R10 123*4882a593Smuzhiyun.endm 124*4882a593Smuzhiyun 125*4882a593Smuzhiyun.macro STORE_REGS_0_1 126*4882a593Smuzhiyun lwz r11, 8(r1) 127*4882a593Smuzhiyun std r4, 0(r11) 128*4882a593Smuzhiyun mr r4, r3 129*4882a593Smuzhiyun li r3, 0 130*4882a593Smuzhiyun addi r1,r1,16 131*4882a593Smuzhiyun.endm 132*4882a593Smuzhiyun 133*4882a593Smuzhiyun.macro STORE_REGS_5_2 134*4882a593Smuzhiyun lwz r11, 16(r1) 135*4882a593Smuzhiyun std r4, 0(r11) 136*4882a593Smuzhiyun lwz r11, 20(r1) 137*4882a593Smuzhiyun std r5, 0(r11) 138*4882a593Smuzhiyun.endm 139*4882a593Smuzhiyun 140*4882a593Smuzhiyun.macro STORE_REGS_6_1 141*4882a593Smuzhiyun lwz r11, 24(r1) 142*4882a593Smuzhiyun std r4, 0(r11) 143*4882a593Smuzhiyun.endm 144*4882a593Smuzhiyun 145*4882a593SmuzhiyunGLOBAL lv1_get_logical_ppe_id 146*4882a593Smuzhiyun SAVE_LR 147*4882a593Smuzhiyun LOAD_REGS_0 148*4882a593Smuzhiyun HVCALL 69 149*4882a593Smuzhiyun STORE_REGS_0_1 150*4882a593Smuzhiyun LOAD_LR 151*4882a593Smuzhiyun blr 152*4882a593Smuzhiyun 153*4882a593SmuzhiyunGLOBAL lv1_get_logical_partition_id 154*4882a593Smuzhiyun SAVE_LR 155*4882a593Smuzhiyun LOAD_REGS_0 156*4882a593Smuzhiyun HVCALL 74 157*4882a593Smuzhiyun STORE_REGS_0_1 158*4882a593Smuzhiyun LOAD_LR 159*4882a593Smuzhiyun blr 160*4882a593Smuzhiyun 161*4882a593SmuzhiyunGLOBAL lv1_get_repository_node_value 162*4882a593Smuzhiyun SAVE_LR 163*4882a593Smuzhiyun LOAD_REGS_5 164*4882a593Smuzhiyun HVCALL 91 165*4882a593Smuzhiyun STORE_REGS_5_2 166*4882a593Smuzhiyun LOAD_LR 167*4882a593Smuzhiyun blr 168*4882a593Smuzhiyun 169*4882a593SmuzhiyunGLOBAL lv1_panic 170*4882a593Smuzhiyun SAVE_LR 171*4882a593Smuzhiyun LOAD_REGS_8 172*4882a593Smuzhiyun HVCALL 255 173*4882a593Smuzhiyun LOAD_LR 174*4882a593Smuzhiyun blr 175