1 files changed, 63 insertions, 0 deletions
diff --git a/src/kernel/core/kmain.c b/src/kernel/core/kmain.c
new file mode 100644
index 0000000..ef92dff
--- /dev/null
+++ b/src/kernel/core/kmain.c
@@ -0,0 +1,63 @@
+#include <types.h>
+#include "multiboot.h"
+#include "monitor.h"
+#include "sys.h"
+#include <task/idt.h>
+#include <task/timer.h>
+#include <task/task.h>
+#include <mem/gdt.h>
+#include <mem/paging.h>
+#include <mem/mem.h>
+#include <linker/elf.h>
+
+void kmain(struct multiboot_info_t* mbd, int32_t magic) {
+	size_t totalRam = 0;
+	uint32_t i;
+
+	mem_placementAddr = (size_t)&end;
+	mbd->cmdline += 0xE0000000; mbd->mods_addr += 0xE0000000;
+	struct module_t *mods = (struct module_t*)mbd->mods_addr;
+	for (i = 0; i < mbd->mods_count; i++) {
+		mods[i].mod_start += 0xE0000000;
+		mods[i].mod_end += 0xE0000000;
+		mods[i].string += 0xE0000000;
+		if (mods[i].mod_end > mem_placementAddr)
+			mem_placementAddr = (mods[i].mod_end & 0xFFFFF000) + 0x1000;
+	}
+
+	monitor_clear();
+
+	if (magic != MULTIBOOT_BOOTLOADER_MAGIC) {
+		PANIC("wrong multiboot magic number.");
+	}
+
+	monitor_write("Grapes kernel booting ...\n");
+
+	idt_init();
+
+	totalRam = ((mbd->mem_upper + mbd->mem_lower) * 1024);
+	paging_init(totalRam);
+	gdt_init();
+	paging_cleanup();
+	kheap_init();
+	timer_init(20);
+	tasking_init();
+	
+	monitor_write("Loading modules...\n");
+	for (i = 0; i < mbd->mods_count; i++) {
+		monitor_write((char*)mods[i].string);
+		if (elf_check((uint8_t*)mods[i].mod_start)) {
+			monitor_write(" : Invalid ELF file\n");
+		} else {
+			if (elf_exec((uint8_t*)mods[i].mod_start) == 0) {
+				monitor_write(" : Error loading\n");
+			} else {
+				monitor_write(" : OK\n");
+			}
+		}
+	}
+
+	monitor_write("Passing control to loaded modules...\n");
+	sti();
+	tasking_switch();
+}