first commit

Author: hky1999

.gitignore

@@ -0,0 +1,4 @@
+/target
+/.vscode
+
+*/target/*

arceos-driver/main.c

@@ -0,0 +1,43 @@
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+
+MODULE_AUTHOR("arceos");
+MODULE_LICENSE("GPL");
+
+static int __init arceos_init(void) {
+    int err;
+    
+    pr_info(LOGHEAD "Initializing...\n");
+
+    pr_info(LOGHEAD "Registering arceos_vdev...\n");
+    err = misc_register(&arceos_vdev);
+    if (err) {
+        pr_err(LOGHEAD "Cannot register arceos_vdev! err: %d\n", err);
+        goto end;
+    }
+
+    pr_info(LOGHEAD "Registering irq...\n");
+    err = request_irq(ARCEOS_VIRQ, arceos_virq_handler, IRQF_SHARED, "arceos_hypervisor", &arceos_vdev);
+    if (err) {
+        pr_err(LOGHEAD "Cannot register irq! err: %d\n", err);
+        goto err_unregister_vdev;
+    }
+
+    /**
+     * Debug:
+     *  arceos_hypercall(0x42, 0x77776666, 0xdeadbeef);
+     */
+
+    goto end;
+
+err_unregister_vdev:
+    misc_deregister(&arceos_vdev);
+
+end:
+    return err;
+}
+
+
+module_init(arceos_init);
+module_exit(arceos_exit);