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Moved kernel from 0x1000 to 0x50000

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This commit is contained in:
Tom-on
2024-05-07 17:11:44 +02:00
parent e39bc2cabc
commit e617f4fe69
3 changed files with 6 additions and 7 deletions
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src/kernel.ld
+1 -1
View File
@@ -1,5 +1,5 @@
SECTIONS { SECTIONS {
.text 0x1000 : { .text 0x50000 : {
*(.text*); *(.text*);
} }
.data : { .data : {
src/stage1.asm
+3 -4
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@@ -3,9 +3,8 @@
[global start] [global start]
%define VIDMEM 0xb800 %define VIDMEM 0xb800
%define KERNEL_LOC 0x1000
%define FILETAB_LOC 0x7000 ; TODO: Read kernel size and location from ft %define FILETAB_LOC 0x7000 ; TODO: Read kernel size and location from ft
%define KERNEL_SIZE 30; 15kB %define KERNEL_SIZE 30 ; 15kB
start: start:
mov [driveNum], dl ; Store the drive number mov [driveNum], dl ; Store the drive number
@@ -64,9 +63,9 @@ loadKernel:
.read: .read:
; Location ; Location
xor ax, ax mov ax, 0x5000 ; Making es 0x5000 will load the kernel at 0x50000
mov es, ax mov es, ax
mov bx, KERNEL_LOC ; 2nd stage bootloader location xor bx, bx
; CHS Location ; CHS Location
mov al, KERNEL_SIZE mov al, KERNEL_SIZE
src/stage2.asm
+2 -2
View File
@@ -1,7 +1,7 @@
[bits 16] [bits 16]
[org 0x7e00] [org 0x7e00]
%define KERNEL_LOC 0x1000 %define KERNEL_LOC 0x50000
%define VIDMEM 0xb800 %define VIDMEM 0xb800
start: start:
@@ -372,7 +372,7 @@ DATA_SEG equ GDT.dataDescriptor - GDT.start
;; VBE Stuff ;; VBE Stuff
;; !! IF YOU WANT TO SELECT ANY VALUE IN THE SETUP, SET THESE TO ZERO !! ;; !! IF YOU WANT TO SELECT ANY VALUE IN THE SETUP, SET THESE TO ZERO !!
width: dw 0 ;1920 width: dw 1920
height: dw 1080 height: dw 1080
bpp: db 32 bpp: db 32