X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=bootcensus;a=blobdiff_plain;f=pcboot.ld;h=6a2390fa3b1a3659ff76f8bbb4d904e156358da0;hp=f6291245002a03e2c67380a968e9f4f43a9abac7;hb=f9194c22d8073b69b3e64fc26b9e245b6b54d009;hpb=e5b5905eb3134a409638a5a20462000ef159e1e6

diff --git a/pcboot.ld b/pcboot.ld
index f629124..6a2390f 100644
--- a/pcboot.ld
+++ b/pcboot.ld
@@ -1,10 +1,28 @@
 OUTPUT_ARCH(i386)
 
 SECTIONS {
-	/* BIOS will load us at 0x7c000h */
-	. = 0x7c000;
+	/* BIOS loads the boot code at 0000:7c00 */
+	. = 0x7c00;
 
 	.boot : { * (.boot); }
+
+	/* second stage boot loader */
+	.boot2 : {
+		* (.boot2);
+		* (.lowtext);
+		/* .bootend must stay last */
+		* (.bootend);
+		/* pad the boot loader to the next sector boundary */
+		. = ALIGN(512);
+	}
+	_boot2_size = SIZEOF(.boot2);
+
+	/* main program will be loaded at 1MB by the second stage
+	 * boot loader
+	 */
+	. = 1M;
+	_main_start = .;
+
 	.startup : { * (.startup); }
 	.text : { * (.text); }
 	.rodata : { * (.rodata); }
@@ -18,5 +36,6 @@ SECTIONS {
 	}
 	_bss_size = SIZEOF(.bss);
 
+	_main_size = . - _main_start;
 	_mem_start = .;
 }