Arm!

2016-08-25 17:03:01 -06:00 · 2016-08-25 17:03:01 -06:00 · 6715d5c534
commit 6715d5c534
parent c2a95c96d5
1 changed files with 386 additions and 22 deletions
--- a/bootloader/x86/memory_map.asm
+++ b/bootloader/x86/memory_map.asm
@ -1,32 +0,0 @@
-SECTION .text
-USE16
-;Generate a memory map at 0x500 to 0x5000 (available memory not used for kernel or bootloader)
-memory_map:
-.start  equ 0x0500
-.end    equ 0x5000
-.length equ .end - .start
-
-    xor eax, eax
-    mov di, .start
-    mov ecx, .length / 4 ; moving 4 Bytes at once
-    cld
-    rep stosd
-
-    mov di, .start
-    mov edx, 0x534D4150
-    xor ebx, ebx
-.lp:
-    mov eax, 0xE820
-    mov ecx, 24
-
-    int 0x15
-    jc .done ; Error or finished
-
-    cmp ebx, 0
-    je .done ; Finished
-
-    add di, 24
-    cmp di, .end
-    jb .lp ; Still have buffer space
-.done:
-    ret