E. Almqvist 3 years ago
parent 391fb1c190
commit c383b79293
  1. 9
      bootloader/bios/memory.asm

@ -13,8 +13,10 @@
;
; mmap_probe_done:
e820_stats_addr equ 0x9820
e820:
mov di, 0x8004
mov di, e820_stats_addr + 4
mov ebx, 0 ; Must be 0
mov bp, 0 ; entry count
@ -26,10 +28,10 @@ e820:
int 0x15 ; Do the interupt
; carry flag = (un)supported function
jc e820_fail_unsup ; TODO: Try probing instead
jc e820_fail_unsup ; TODO: Try probing instead
cmp eax, edx ; eax should be = 'SMAP'
jne e820_fail_smap ; if not then fail
jne e820_fail_smap ; if not then fail
test ebx, ebx ; no entries
je e820_fail_noent
@ -67,7 +69,6 @@ e820_skip:
test ebx, ebx ; of ebx = 0 then complete
jne e820_lp
e820_stats_addr equ 0x9820
e820_write:
mov [e820_stats_addr], bp ; save entry count at e820_ent
clc

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