1 // Copyright 2022 The Marl Authors. 2 // 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 // https://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 #define MARL_REG_a0 0x00 16 #define MARL_REG_a1 0x08 17 #define MARL_REG_s0 0x10 18 #define MARL_REG_s1 0x18 19 #define MARL_REG_s2 0x20 20 #define MARL_REG_s3 0x28 21 #define MARL_REG_s4 0x30 22 #define MARL_REG_s5 0x38 23 #define MARL_REG_s6 0x40 24 #define MARL_REG_s7 0x48 25 #define MARL_REG_s8 0x50 26 #define MARL_REG_fs0 0x58 27 #define MARL_REG_fs1 0x60 28 #define MARL_REG_fs2 0x68 29 #define MARL_REG_fs3 0x70 30 #define MARL_REG_fs4 0x78 31 #define MARL_REG_fs5 0x80 32 #define MARL_REG_fs6 0x88 33 #define MARL_REG_fs7 0x90 34 #define MARL_REG_ra 0x98 35 #define MARL_REG_sp 0xa0 36 #define MARL_REG_fp 0xa8 37 38 #ifndef MARL_BUILD_ASM 39 40 #include <stdint.h> 41 42 // Procedure Call Standard for the LoongArch 64-bit Architecture 43 // https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html 44 struct marl_fiber_context { 45 // parameter registers (First two) 46 uintptr_t a0; 47 uintptr_t a1; 48 49 // callee-saved registers 50 uintptr_t s0; 51 uintptr_t s1; 52 uintptr_t s2; 53 uintptr_t s3; 54 uintptr_t s4; 55 uintptr_t s5; 56 uintptr_t s6; 57 uintptr_t s7; 58 uintptr_t s8; 59 60 uintptr_t fs0; 61 uintptr_t fs1; 62 uintptr_t fs2; 63 uintptr_t fs3; 64 uintptr_t fs4; 65 uintptr_t fs5; 66 uintptr_t fs6; 67 uintptr_t fs7; 68 69 uintptr_t ra; 70 uintptr_t sp; 71 uintptr_t fp; 72 }; 73 74 #ifdef __cplusplus 75 #include <cstddef> 76 static_assert(offsetof(marl_fiber_context, a0) == MARL_REG_a0, 77 "Bad register offset"); 78 static_assert(offsetof(marl_fiber_context, a1) == MARL_REG_a1, 79 "Bad register offset"); 80 static_assert(offsetof(marl_fiber_context, s0) == MARL_REG_s0, 81 "Bad register offset"); 82 static_assert(offsetof(marl_fiber_context, s1) == MARL_REG_s1, 83 "Bad register offset"); 84 static_assert(offsetof(marl_fiber_context, s2) == MARL_REG_s2, 85 "Bad register offset"); 86 static_assert(offsetof(marl_fiber_context, s3) == MARL_REG_s3, 87 "Bad register offset"); 88 static_assert(offsetof(marl_fiber_context, s4) == MARL_REG_s4, 89 "Bad register offset"); 90 static_assert(offsetof(marl_fiber_context, s5) == MARL_REG_s5, 91 "Bad register offset"); 92 static_assert(offsetof(marl_fiber_context, s6) == MARL_REG_s6, 93 "Bad register offset"); 94 static_assert(offsetof(marl_fiber_context, s7) == MARL_REG_s7, 95 "Bad register offset"); 96 static_assert(offsetof(marl_fiber_context, s8) == MARL_REG_s8, 97 "Bad register offset"); 98 static_assert(offsetof(marl_fiber_context, fs0) == MARL_REG_fs0, 99 "Bad register offset"); 100 static_assert(offsetof(marl_fiber_context, fs1) == MARL_REG_fs1, 101 "Bad register offset"); 102 static_assert(offsetof(marl_fiber_context, fs2) == MARL_REG_fs2, 103 "Bad register offset"); 104 static_assert(offsetof(marl_fiber_context, fs3) == MARL_REG_fs3, 105 "Bad register offset"); 106 static_assert(offsetof(marl_fiber_context, fs4) == MARL_REG_fs4, 107 "Bad register offset"); 108 static_assert(offsetof(marl_fiber_context, fs5) == MARL_REG_fs5, 109 "Bad register offset"); 110 static_assert(offsetof(marl_fiber_context, fs6) == MARL_REG_fs6, 111 "Bad register offset"); 112 static_assert(offsetof(marl_fiber_context, fs7) == MARL_REG_fs7, 113 "Bad register offset"); 114 static_assert(offsetof(marl_fiber_context, ra) == MARL_REG_ra, 115 "Bad register offset"); 116 static_assert(offsetof(marl_fiber_context, sp) == MARL_REG_sp, 117 "Bad register offset"); 118 static_assert(offsetof(marl_fiber_context, fp) == MARL_REG_fp, 119 "Bad register offset"); 120 #endif // __cplusplus 121 122 #endif // MARL_BUILD_ASM 123