| /* |
| * Copyright (c) 2013-2014 Wind River Systems, Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/kernel.h> |
| #include <zephyr/arch/cpu.h> |
| #include <zephyr/sys/util.h> |
| #include <zephyr/arch/arm/aarch32/cortex_m/cmsis.h> |
| |
| /** |
| * |
| * @brief Reset the system |
| * |
| * This routine resets the processor. |
| * |
| */ |
| |
| void sys_arch_reboot(int type) |
| { |
| ARG_UNUSED(type); |
| |
| /* |
| * QEMU is missing the support for rebooting through the SYSRESETREQ |
| * mechanism. Just jump back to __reset() of the image in flash, |
| * which address can _always_ be found in the vector table reset slot |
| * located at address 0x4. |
| */ |
| extern void z_do_software_reboot(void); |
| extern void z_force_exit_one_nested_irq(void); |
| /* |
| * force enable interrupts locked via PRIMASK if somehow disabled: the |
| * boot code does not enable them |
| */ |
| __asm__ volatile("cpsie i" :::); |
| |
| if ((SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) == 0) { |
| z_do_software_reboot(); |
| } else { |
| __asm__ volatile( |
| "ldr r0, =z_force_exit_one_nested_irq\n\t" |
| "bx r0\n\t" |
| :::); |
| } |
| } |