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eOS
mirror of https://github.com/E-Almqvist/eOS
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rust
E. Almqvist 3 years ago
parent db3848da60
commit 0d8e391308
1 changed files with 3 additions and 3 deletions
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  1. 6
      bootloader/bios/memory.asm

6
bootloader/bios/memory.asm
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@ -19,7 +19,7 @@ mmap_e820:
mov bp, 0 ; entry count mov bp, 0 ; entry count
mov eax, 0xe820 ; function reg mov eax, 0xe820 ; function reg
mov edx, 'SMAP' mov edx, 'SMAP' ; function sig
; TODO: update es:di to e820_dt ; TODO: update es:di to e820_dt
mov [es:di + 20], dword 1 ; fill mov [es:di + 20], dword 1 ; fill
@ -27,10 +27,10 @@ mmap_e820:
int 0x15 ; Do the interupt int 0x15 ; Do the interupt
; carry flag = (un)supported function ; carry flag = (un)supported function
jc mmap_e820_fail ; Try probing instead jc mmap_e820_fail ; Try probing instead
cmp eax, edx ; eax should be = 'SMAP' cmp eax, edx ; eax should be = 'SMAP'
jne mmap_e820_fail ; if not then fail jne mmap_e820_fail ; if not then fail
test ebx, ebx test ebx, ebx
je mmap_e820_fail je mmap_e820_fail

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