| /* |
| * Copyright (c) 2018 Marvell |
| * Copyright (c) 2018 Lexmark International, Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /** |
| * @file |
| * @brief Populated vector table in ROM |
| */ |
| |
| #include <zephyr/toolchain.h> |
| #include <zephyr/linker/sections.h> |
| #include "vector_table.h" |
| #include "offsets_short.h" |
| #include "macro_priv.inc" |
| |
| _ASM_FILE_PROLOGUE |
| |
| SECTION_SUBSEC_FUNC(exc_vector_table,_vector_table_section,_vector_table) |
| ldr pc, =z_arm_reset /* offset 0 */ |
| ldr pc, =z_arm_undef_instruction /* undef instruction offset 4 */ |
| ldr pc, =z_arm_svc /* svc offset 8 */ |
| ldr pc, =z_arm_prefetch_abort /* prefetch abort offset 0xc */ |
| ldr pc, =z_arm_data_abort /* data abort offset 0x10 */ |
| nop /* offset 0x14 */ |
| #ifdef CONFIG_GEN_SW_ISR_TABLE |
| ldr pc, =_isr_wrapper /* IRQ offset 0x18 */ |
| #else |
| ldr pc, =z_irq_spurious |
| #endif |
| #ifndef CONFIG_USE_SWITCH |
| ldr pc, =z_arm_nmi /* FIQ offset 0x1c */ |
| #else |
| ldr pc,=z_irq_spurious |
| #endif |
| |
| |
| #ifdef CONFIG_USE_SWITCH |
| GTEXT(z_arm_cortex_ar_exit_exc) |
| SECTION_SUBSEC_FUNC(TEXT, _HandlerModeExit, z_arm_cortex_ar_exit_exc) |
| |
| /* decrement exception depth */ |
| get_cpu r2 |
| ldrb r1, [r2, #_cpu_offset_to_exc_depth] |
| sub r1, r1, #1 |
| strb r1, [r2, #_cpu_offset_to_exc_depth] |
| |
| /* |
| * Restore r0-r3, r12, lr, lr_und and spsr_und from the exception stack |
| * and return to the current thread. |
| */ |
| ldmia sp, {r0-r3, r12, lr}^ |
| add sp, #24 |
| rfeia sp! |
| #endif |
