1/** 2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16#define CALLEE_SAVED_GP_REGS_COUNT 10 17 18.extern printf 19 20.macro PUSH_CALLER_REGS 21 stp x0, x1, [sp, #-16]! 22 stp x2, x3, [sp, #-16]! 23 stp x4, x5, [sp, #-16]! 24 stp x6, x7, [sp, #-16]! 25 stp x8, x9, [sp, #-16]! 26 stp x10, x11, [sp, #-16]! 27 stp x12, x13, [sp, #-16]! 28 stp x14, x15, [sp, #-16]! 29.endm 30 31.macro POP_CALLER_REGS 32 ldp x14, x15, [sp], #16 33 ldp x12, x13, [sp], #16 34 ldp x10, x11, [sp], #16 35 ldp x8, x9, [sp], #16 36 ldp x6, x7, [sp], #16 37 ldp x4, x5, [sp], #16 38 ldp x2, x3, [sp], #16 39 ldp x0, x1, [sp], #16 40.endm 41 42.macro PUSH_CALLER_VREGS 43 stp d0, d1, [sp, #-16]! 44 stp d2, d3, [sp, #-16]! 45 stp d4, d5, [sp, #-16]! 46 stp d6, d7, [sp, #-16]! 47 stp d16, d17, [sp, #-16]! 48 stp d18, d19, [sp, #-16]! 49 stp d20, d21, [sp, #-16]! 50 stp d22, d23, [sp, #-16]! 51 stp d24, d25, [sp, #-16]! 52 stp d26, d27, [sp, #-16]! 53 stp d28, d29, [sp, #-16]! 54 stp d30, d31, [sp, #-16]! 55.endm 56 57.macro POP_CALLER_VREGS 58 ldp d30, d31, [sp], #16 59 ldp d28, d29, [sp], #16 60 ldp d26, d27, [sp], #16 61 ldp d24, d25, [sp], #16 62 ldp d22, d23, [sp], #16 63 ldp d20, d21, [sp], #16 64 ldp d18, d19, [sp], #16 65 ldp d16, d17, [sp], #16 66 ldp d6, d7, [sp], #16 67 ldp d4, d5, [sp], #16 68 ldp d2, d3, [sp], #16 69 ldp d0, d1, [sp], #16 70.endm 71 72.macro PUSH_ARGS_REGS 73 stp x6, x7, [sp, #-16]! 74 stp x4, x5, [sp, #-16]! 75 stp x2, x3, [sp, #-16]! 76 stp x0, x1, [sp, #-16]! 77.endm 78 79.macro POP_ARGS_REGS 80 ldp x0, x1, [sp], #16 81 ldp x2, x3, [sp], #16 82 ldp x4, x5, [sp], #16 83 ldp x6, x7, [sp], #16 84.endm 85 86.macro PUSH_ARGS_VREGS 87 stp d0, d1, [sp, #-16]! 88 stp d2, d3, [sp, #-16]! 89 stp d4, d5, [sp, #-16]! 90 stp d6, d7, [sp, #-16]! 91.endm 92 93.macro POP_ARGS_VREGS 94 ldp d6, d7, [sp], #16 95 ldp d4, d5, [sp], #16 96 ldp d2, d3, [sp], #16 97 ldp d0, d1, [sp], #16 98.endm 99 100.macro PUSH_CALLEE_REGS base_reg 101 stp x27, x28, [\base_reg, #-16]! 102 stp x25, x26, [\base_reg, #-16]! 103 stp x23, x24, [\base_reg, #-16]! 104 stp x21, x22, [\base_reg, #-16]! 105 stp x19, x20, [\base_reg, #-16]! 106 stp d14, d15, [\base_reg, #-16]! 107 stp d12, d13, [\base_reg, #-16]! 108 stp d10, d11, [\base_reg, #-16]! 109 stp d8, d9, [\base_reg, #-16]! 110.endm 111 112.macro POP_CALLEE_REGS base_reg 113 ldp d8, d9, [\base_reg], #16 114 ldp d10, d11, [\base_reg], #16 115 ldp d12, d13, [\base_reg], #16 116 ldp d14, d15, [\base_reg], #16 117 ldp x19, x20, [\base_reg], #16 118 ldp x21, x22, [\base_reg], #16 119 ldp x23, x24, [\base_reg], #16 120 ldp x25, x26, [\base_reg], #16 121 ldp x27, x28, [\base_reg], #16 122.endm 123 124.macro BEGIN_CALL 125 PUSH_CALLER_REGS 126.endm 127 128.macro LARG0 v 129 ldr x0, =\v 130.endm 131 132.macro ARG0 v 133 mov x0, \v 134.endm 135 136.macro ARG1 v 137 mov x1, \v 138.endm 139 140.macro ARG2 v 141 mov x2, \v 142.endm 143 144.macro END_CALL func 145 bl \func 146 POP_CALLER_REGS 147.endm 148 149.macro LOG3 fmt, arg1, arg2 150 BEGIN_CALL 151 LARG0 \fmt 152 ARG1 \arg1 153 ARG2 \arg2 154 END_CALL LogEntrypoint 155.endm 156 157.macro ABORT 158 brk 0 159.endm 160 161.macro ASSERT_REGS_CMP reg1, reg2, pred 162#ifndef NDEBUG 163 cmp \reg1, \reg2 164 b\pred 1f 165 ABORT 1661: 167#endif 168.endm 169