Enrico Fraccaroli (Galfurian)
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/// @file sys.c
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/// @brief
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/// @copyright (c) 2014-2022 This file is distributed under the MIT License.
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/// See LICENSE.md for details.
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#include "stdio.h"
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#include "sys/errno.h"
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#include "sys/reboot.h"
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#include "klib/stdatomic.h"
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#include "klib/mutex.h"
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static void machine_power_off()
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{
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while (true) {
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cpu_relax();
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}
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}
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/// @brief Shutdown everything and perform a clean system power_off.
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static void kernel_power_off()
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{
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// kernel_shutdown_prepare(SYSTEM_POWER_OFF);
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// if (pm_power_off_prepare)
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// {
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// pm_power_off_prepare();
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// }
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// migrate_to_reboot_cpu();
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// syscore_shutdown();
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printf("Power down\n");
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// kmsg_dump(KMSG_DUMP_POWEROFF);
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machine_power_off();
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}
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int sys_reboot(int magic1, int magic2, unsigned int cmd, void *arg)
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{
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static mutex_t reboot_mutex;
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// For safety, we require "magic" arguments.
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if (magic1 != LINUX_REBOOT_MAGIC1 ||
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(magic2 != LINUX_REBOOT_MAGIC2 && magic2 != LINUX_REBOOT_MAGIC2A &&
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magic2 != LINUX_REBOOT_MAGIC2B && magic2 != LINUX_REBOOT_MAGIC2C)) {
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return -EINVAL;
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}
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mutex_lock(&reboot_mutex, 0);
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switch (cmd) {
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case LINUX_REBOOT_CMD_RESTART:
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break;
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case LINUX_REBOOT_CMD_CAD_ON:
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break;
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case LINUX_REBOOT_CMD_CAD_OFF:
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break;
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case LINUX_REBOOT_CMD_HALT:
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break;
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case LINUX_REBOOT_CMD_POWER_OFF:
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kernel_power_off();
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break;
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case LINUX_REBOOT_CMD_RESTART2:
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break;
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case LINUX_REBOOT_CMD_KEXEC:
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break;
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case LINUX_REBOOT_CMD_SW_SUSPEND:
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break;
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default:
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return -EINVAL;
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}
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mutex_unlock(&reboot_mutex);
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return 0;
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}
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