X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/9b8c947be2d07e7c5006a92127e58b6022718cbd..86c89e89a88d25e85956b258005b52e0f2686b89:/grubload/multiboot_c.c

diff --git a/grubload/multiboot_c.c b/grubload/multiboot_c.c
index c87b675..03e2143 100644
--- a/grubload/multiboot_c.c
+++ b/grubload/multiboot_c.c
@@ -1,5 +1,8 @@
 #include "console.h"
 
+extern char _binary_realmode_bin_start[];
+extern int _binary_realmode_bin_size;
+
 struct mb_info
 {
 	unsigned long flags;
@@ -23,6 +26,8 @@ void c_start(unsigned int magic, struct mb_info *wee)
 	unsigned short *grubptr = 0x7CFE;
 	int i;
 	
+	void (*realmode)() = 0x4000;
+	
 	puts("Magic is: ");
 	puthex(magic);
 	puts("\nMultiboot header is: ");
@@ -33,7 +38,8 @@ void c_start(unsigned int magic, struct mb_info *wee)
 	puts("Grubptr is: ");
 	puthex(*grubptr);
 	puts("\n");
-	
+
+
 	for (i = 0; i < wee->mod_cnt; i++)
 	{
 		puts("Module:\n");
@@ -41,6 +47,16 @@ void c_start(unsigned int magic, struct mb_info *wee)
 		puts("  Size: "); puthex(wee->mods[i].mod_end - wee->mods[i].mod_start); puts("\n");
 		puts("  Name: "); puts(wee->mods[i].mod_string); puts("\n");
 	}
-	while (1)
-		;
+
+	if ((wee->mod_cnt != 1) || (strcmp(wee->mods[0].mod_string, "aseg.elf")))
+	{
+		puts("Expected 1 module called aseg.elf.\n");
+		while(1) asm("hlt");
+	}
+
+	load_elf(wee->mods[0].mod_start, wee->mods[0].mod_end - wee->mods[0].mod_start);
+
+	puts("Now returning to real mode.\n");	
+	memcpy(0x4000, _binary_realmode_bin_start, (int)&_binary_realmode_bin_size);
+	realmode();	// goodbye!
 }