Moved kernel to 0x10000 !

1 files changed, 18 insertions, 10 deletions

diff --git a/boot/mbr.asm b/boot/mbr.asm
index 8483705..4513100 100644
--- a/boot/mbr.asm
+++ b/boot/mbr.asm
@@ -10,7 +10,7 @@
 ;
 ;	* BOOT_DRIVE set 
 ;
-;	* 52 sectors of our kernel loaded at KERNEL_OFFSET from floppy
+;	* X sectors of our kernel loaded at KERNEL_OFFSET from floppy
 ;
 ;	* memory map made available at MEMMAP_OFFSET 
 ;	    (check at MEMMEP_SIZE_OFFSET for number of entries)
@@ -45,12 +45,15 @@
 ;;where we will load our kernel into memory and some 
 ;;other memory locations
 ;
-KERNEL_OFFSET equ 0x1000
+KERNEL_SECTOR equ 0x1000
+KERNEL_OFFSET equ 0x0000
+
 MEMMAP_SIZE_OFFSET equ 0x7c00+0x600
 MEMMAP_OFFSET equ 0x7c00+0x400
 VESA_MODES equ 0x8300
 VESA_MODE_INFO equ 0x8400
 VESA_MODE_SELECT equ 0x4114
+
 ;
 jmp boot_16 ;start boot process
     db 'X'
@@ -94,22 +97,27 @@ CHECK_A20:
 [bits 16]
 ;
 boot_16:
+
+
+
+    ;first of allsetup the stack (Right under mbr)
+    ;guaranteed ~30KB space
+    mov bp,0x07bff
+    mov sp,bp
 ;
 ;
     mov bx, STR_VERSION
     call print_string
 ;
-;
-;    ;setup the stack
-    mov bp,0x8000
-    mov sp,bp
-;
 ;    ;remember BOOT_DRIVE (as was set by BIOS)
     mov [BOOT_DRIVE],dl	
 ;
-;    ;Load the KERNEL (52 sectors starting at sector 2)
+;    ;Load the KERNEL (sectors starting at sector 2)
+    mov ax,KERNEL_SECTOR
+    mov es,ax
     mov bx,KERNEL_OFFSET
-    mov dh, 53	; for lba mode this is hardcoded anyway
+
+    mov dh, 53 ; for lba mode this is hardcoded anyway
     mov dl, [BOOT_DRIVE]
     call disk_load_16
     
@@ -160,7 +168,7 @@ boot_32_pm:
 
     ; call kernel!
     mov eax,0					;booting processor
-    call KERNEL_OFFSET			        ;jump into our Kernel!
+    call 0x10000 ;KERNEL_SECTOR:KERNEL_OFFSET	        ;jump into our Kernel!
 ;
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;