Finish v0.3.0

2019-05-08 17:07:11 +02:00
parent 3d9beb5ee0
commit 7d9085fecf
330 changed files with 45755 additions and 0 deletions
@@ -0,0 +1,78 @@
+///                MentOS, The Mentoring Operating system project
+/// @file sys.c
+/// @brief
+/// @copyright (c) 2019 This file is distributed under the MIT License.
+/// See LICENSE.md for details.
+
+#include "sys.h"
+#include "stdio.h"
+#include "errno.h"
+#include "mutex.h"
+#include "reboot.h"
+#include "stdatomic.h"
+
+static void machine_power_off()
+{
+    while (true)
+    {
+        cpu_relax();
+    }
+}
+
+/// @brief Shutdown everything and perform a clean system power_off.
+static void kernel_power_off()
+{
+//    kernel_shutdown_prepare(SYSTEM_POWER_OFF);
+//    if (pm_power_off_prepare)
+//        {
+//            pm_power_off_prepare();
+//        }
+//    migrate_to_reboot_cpu();
+//    syscore_shutdown();
+    printf("Power down\n");
+//    kmsg_dump(KMSG_DUMP_POWEROFF);
+    machine_power_off();
+}
+
+int sys_reboot(int magic1, int magic2, unsigned int cmd, void *arg)
+{
+    static mutex_t reboot_mutex;
+
+    // For safety, we require "magic" arguments.
+    if (magic1 != LINUX_REBOOT_MAGIC1       ||
+        (magic2 != LINUX_REBOOT_MAGIC2      &&
+         magic2 != LINUX_REBOOT_MAGIC2A     &&
+         magic2 != LINUX_REBOOT_MAGIC2B     &&
+         magic2 != LINUX_REBOOT_MAGIC2C))
+    {
+        return -EINVAL;
+    }
+
+    mutex_lock(&reboot_mutex, 0);
+
+    switch (cmd)
+    {
+        case LINUX_REBOOT_CMD_RESTART:
+            break;
+        case LINUX_REBOOT_CMD_CAD_ON:
+            break;
+        case LINUX_REBOOT_CMD_CAD_OFF:
+            break;
+        case LINUX_REBOOT_CMD_HALT:
+            break;
+        case LINUX_REBOOT_CMD_POWER_OFF:
+            kernel_power_off();
+            break;
+        case LINUX_REBOOT_CMD_RESTART2:
+            break;
+        case LINUX_REBOOT_CMD_KEXEC:
+            break;
+        case LINUX_REBOOT_CMD_SW_SUSPEND:
+            break;
+        default:
+            return -EINVAL;
+    }
+    mutex_unlock(&reboot_mutex);
+
+    return 0;
+}