Mon 14 Oct 23:06:38 CEST 2024

kernel/main.c

@@ -0,0 +1,72 @@
+/*
+Copyright (C) 2015-2019 The University of Notre Dame
+This software is distributed under the GNU General Public License.
+See the file LICENSE for details.
+*/
+
+#include "console.h"
+#include "page.h"
+#include "process.h"
+#include "keyboard.h"
+#include "mouse.h"
+#include "interrupt.h"
+#include "clock.h"
+#include "ata.h"
+#include "device.h"
+#include "cdromfs.h"
+#include "string.h"
+#include "graphics.h"
+#include "kernel/ascii.h"
+#include "kernel/syscall.h"
+#include "rtc.h"
+#include "kernelcore.h"
+#include "kmalloc.h"
+#include "memorylayout.h"
+#include "kshell.h"
+#include "cdromfs.h"
+#include "diskfs.h"
+#include "serial.h"
+
+/*
+This is the C initialization point of the kernel.
+By the time we reach this point, we are in protected mode,
+with interrupts disabled, a valid C stack, but no malloc heap.
+Now we initialize each subsystem in the proper order:
+*/
+
+int kernel_main()
+{
+	struct console *console = console_create_root();
+	console_addref(console);
+
+	printf("video: %d x %d (addr %x)\n", video_xres, video_yres, video_buffer);
+	printf("kernel: %d bytes\n", kernel_size);
+
+	page_init();
+	kmalloc_init((char *) KMALLOC_START, KMALLOC_LENGTH);
+	interrupt_init();
+	mouse_init();
+	keyboard_init();
+	rtc_init();
+	clock_init();
+	process_init();
+	ata_init();
+	cdrom_init();
+	diskfs_init();
+
+	current->ktable[KNO_STDIN]   = kobject_create_console(console);
+	current->ktable[KNO_STDOUT]  = kobject_copy(current->ktable[0]);
+	current->ktable[KNO_STDERR]  = kobject_copy(current->ktable[1]);
+	current->ktable[KNO_STDWIN]  = kobject_create_window(&window_root);
+	current->ktable[KNO_STDDIR]  = 0; // No current dir until something is mounted.
+
+	
+	printf("\n");
+	kshell_launch();
+
+	while(1) {
+		console_putchar(console,console_getchar(console));
+	}
+
+	return 0;
+}