BIOSMemoryMap is a location in bss now, use lea

2024-10-12 12:58:16 -04:00
parent 31c45051e6
commit 3fbfcbef53
1 changed files with 2 additions and 1 deletions
--- a/include/BIOS/func/E820_memory_map.nasm
+++ b/include/BIOS/func/E820_memory_map.nasm
@@ -48,7 +48,8 @@ GetMemoryMap:
    mov eax, 0xE820                         ; select 0xE820 function
    xor ebx, ebx                            ; Continuation value, 0 for the first call

-    mov dx, (BIOSMemoryMap >> 4)
+    lea dx, [BIOSMemoryMap]
+    shr dx, 4
    mov es, dx
    xor di, di                              ; (BIOSMemoryMap >> 4):0 makes di an index into BIOSMemoryMap