1 /* 2 * Copyright (c) 2022 Huawei Technologies SASU 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #include <string.h> 8 #include <zephyr/debug/coredump.h> 9 10 /* Identify the version of this block (in case of architecture changes). 11 * To be interpreted by the target architecture specific block parser. 12 */ 13 #define ARCH_HDR_VER 1 14 15 /* Structure to store the architecture registers passed arch_coredump_info_dump 16 * As callee saved registers are not provided in struct arch_esf structure in Zephyr 17 * we just need 22 registers. 18 */ 19 struct arm64_arch_block { 20 struct { 21 uint64_t x0; 22 uint64_t x1; 23 uint64_t x2; 24 uint64_t x3; 25 uint64_t x4; 26 uint64_t x5; 27 uint64_t x6; 28 uint64_t x7; 29 uint64_t x8; 30 uint64_t x9; 31 uint64_t x10; 32 uint64_t x11; 33 uint64_t x12; 34 uint64_t x13; 35 uint64_t x14; 36 uint64_t x15; 37 uint64_t x16; 38 uint64_t x17; 39 uint64_t x18; 40 uint64_t lr; 41 uint64_t spsr; 42 uint64_t elr; 43 } r; 44 } __packed; 45 46 47 /* 48 * Register block takes up too much stack space 49 * if defined within function. So define it here. 50 */ 51 static struct arm64_arch_block arch_blk; 52 arch_coredump_info_dump(const struct arch_esf * esf)53void arch_coredump_info_dump(const struct arch_esf *esf) 54 { 55 /* Target architecture information header */ 56 /* Information just relevant to the python parser */ 57 struct coredump_arch_hdr_t hdr = { 58 .id = COREDUMP_ARCH_HDR_ID, 59 .hdr_version = ARCH_HDR_VER, 60 .num_bytes = sizeof(arch_blk), 61 }; 62 63 /* Nothing to process */ 64 if (esf == NULL) { 65 return; 66 } 67 68 (void)memset(&arch_blk, 0, sizeof(arch_blk)); 69 70 /* 71 * Copies the thread registers to a memory block that will be printed out 72 * The thread registers are already provided by structure struct arch_esf 73 */ 74 arch_blk.r.x0 = esf->x0; 75 arch_blk.r.x1 = esf->x1; 76 arch_blk.r.x2 = esf->x2; 77 arch_blk.r.x3 = esf->x3; 78 arch_blk.r.x4 = esf->x4; 79 arch_blk.r.x5 = esf->x5; 80 arch_blk.r.x6 = esf->x6; 81 arch_blk.r.x7 = esf->x7; 82 arch_blk.r.x8 = esf->x8; 83 arch_blk.r.x9 = esf->x9; 84 arch_blk.r.x10 = esf->x10; 85 arch_blk.r.x11 = esf->x11; 86 arch_blk.r.x12 = esf->x12; 87 arch_blk.r.x13 = esf->x13; 88 arch_blk.r.x14 = esf->x14; 89 arch_blk.r.x15 = esf->x15; 90 arch_blk.r.x16 = esf->x16; 91 arch_blk.r.x17 = esf->x17; 92 arch_blk.r.x18 = esf->x18; 93 arch_blk.r.lr = esf->lr; 94 arch_blk.r.spsr = esf->spsr; 95 arch_blk.r.elr = esf->elr; 96 97 /* Send for output */ 98 coredump_buffer_output((uint8_t *)&hdr, sizeof(hdr)); 99 coredump_buffer_output((uint8_t *)&arch_blk, sizeof(arch_blk)); 100 } 101 arch_coredump_tgt_code_get(void)102uint16_t arch_coredump_tgt_code_get(void) 103 { 104 return COREDUMP_TGT_ARM64; 105 } 106
