treat partition end lba as inclusive

1 year ago · b45ee48c90
parent b32a763d17
commit b45ee48c90
1 changed files with 3 additions and 3 deletions
--- a/boot0.s
+++ b/boot0.s
@ -247,12 +247,12 @@ STAGE2_GPT_ENTRY_ADDR  equ 0x1a
  ; Load partition LBA end.
  mov ecx, [si + 0x28]
  mov edx, [si + 0x2c]
-  ; Assert that the end LBA is greater than the start LBA, so we have at least one sector to load.
-  ; TODO: is the end LBA inclusive?
+  ; Assert that the end LBA is greater than or equal to the start LBA, so we have at least one
+  ; sector to load (end LBA is inclusive).
  or edx, edx
  jnz .stage2_end_lba_ok
  cmp eax, ecx
-  jae .panic
+  ja .panic
 .stage2_end_lba_ok:

  mov bx, 0x8200