1 files changed, 79 insertions, 0 deletions
diff --git a/src/kernel/core/kmain.cpp b/src/kernel/core/kmain.cpp
new file mode 100644
index 0000000..0a5f2d8
--- /dev/null
+++ b/src/kernel/core/kmain.cpp
@@ -0,0 +1,79 @@
+#include <types.h>
+#include <config.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>
+
+/*	The kernel's main procedure. This function is called in loader_.asm.
+	This function calls the initializer functions for all system parts.
+	It then loads the modules the kernel was given by the bootloader. 
+	This function never returns : once multitasking is started for good,
+	the execution flow of this function is never returned to. */
+extern "C" void kmain(multiboot_info_t* mbd, int32_t magic) {
+	ASSERT(magic == MULTIBOOT_BOOTLOADER_MAGIC);
+
+	size_t totalRam = 0;
+	uint32_t i;
+
+	mem_placementAddr = ((size_t)&end & 0xFFFFF000) + 0x1000;
+	mbd->cmdline += K_HIGHHALF_ADDR; mbd->mods_addr += K_HIGHHALF_ADDR;
+	module_t *mods = (module_t*)mbd->mods_addr;
+	for (i = 0; i < mbd->mods_count; i++) {
+		mods[i].mod_start += K_HIGHHALF_ADDR;
+		mods[i].mod_end += K_HIGHHALF_ADDR;
+		mods[i].string += K_HIGHHALF_ADDR;
+		if (mods[i].mod_end > mem_placementAddr)
+			mem_placementAddr = (mods[i].mod_end & 0xFFFFF000) + 0x1000;
+	}
+
+	monitor_clear();
+
+	monitor_write(K_OS_NAME);
+	monitor_write(" version ");
+	monitor_write(K_OS_VER);
+	monitor_write(" codename '");
+	monitor_write(K_OS_CODENAME);
+	monitor_write("' starting up :\n");
+
+
+	idt_init();
+
+	totalRam = ((mbd->mem_upper + mbd->mem_lower) * 1024);
+	paging_init(totalRam);
+	_no_more_ksbrk = true;
+	gdt_init();
+	paging_cleanup();
+
+	//kheap_init();
+	timer_init(30);
+	tasking_init();
+	
+	monitor_write("\nLoading modules :\n");
+	for (i = 0; i < mbd->mods_count; i++) {
+		monitor_write(" * ");
+		monitor_write((char*)mods[i].string);
+		if (elf_check((uint8_t*)mods[i].mod_start)) {
+			monitor_write(" : Invalid ELF file\n");
+		} else {
+			process *pr = elf_exec((uint8_t*)mods[i].mod_start, PL_USER);
+			if (pr == 0) {
+				monitor_write(" : Error loading\n");
+			} else {
+				monitor_write(" : OK, pid="); monitor_writeDec(pr->pid); monitor_write("\n");
+			}
+		}
+	}
+
+	monitor_write("Modules now RULE THE WORLD !\n\n");
+	sti();
+	schedule();
+	PANIC("Should never happen. Something probably went wrong with multitasking.");
+}