1 /* 2 * Copyright (c) 2014 Wind River Systems, Inc. 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 /** 8 * @file 9 * @brief Populated exception vector table 10 * 11 * Vector table with exceptions filled in. The reset vector is the system entry 12 * point, ie. the first instruction executed. 13 * 14 * The table is populated with all the system exception handlers. No exception 15 * should not be triggered until the kernel is ready to handle them. 16 * 17 * We are using a C file instead of an assembly file (like the ARM vector table) 18 * to work around an issue with the assembler where: 19 * 20 * .word <function> 21 * 22 * statements would end up with the two half-words of the functions' addresses 23 * swapped. 24 */ 25 26 #include <zephyr/types.h> 27 #include <zephyr/toolchain.h> 28 #include "vector_table.h" 29 30 struct vector_table { 31 uintptr_t reset; 32 uintptr_t memory_error; 33 uintptr_t instruction_error; 34 uintptr_t ev_machine_check; 35 uintptr_t ev_tlb_miss_i; 36 uintptr_t ev_tlb_miss_d; 37 uintptr_t ev_prot_v; 38 uintptr_t ev_privilege_v; 39 uintptr_t ev_swi; 40 uintptr_t ev_trap; 41 uintptr_t ev_extension; 42 uintptr_t ev_div_zero; 43 /* ev_dc_error is unused in ARCv3 and de-facto unused in ARCv2 as well */ 44 uintptr_t ev_dc_error; 45 uintptr_t ev_maligned; 46 uintptr_t unused_1; 47 uintptr_t unused_2; 48 }; 49 50 struct vector_table _VectorTable Z_GENERIC_SECTION(.exc_vector_table) = { 51 (uintptr_t)__reset, 52 (uintptr_t)__memory_error, 53 (uintptr_t)__instruction_error, 54 (uintptr_t)__ev_machine_check, 55 (uintptr_t)__ev_tlb_miss_i, 56 (uintptr_t)__ev_tlb_miss_d, 57 (uintptr_t)__ev_prot_v, 58 (uintptr_t)__ev_privilege_v, 59 (uintptr_t)__ev_swi, 60 (uintptr_t)__ev_trap, 61 (uintptr_t)__ev_extension, 62 (uintptr_t)__ev_div_zero, 63 (uintptr_t)__ev_dc_error, 64 (uintptr_t)__ev_maligned, 65 0, 66 0 67 }; 68
