diff options
| -rw-r--r-- | core/diskstart.inc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/core/diskstart.inc b/core/diskstart.inc index bd819a9c..01439b86 100644 --- a/core/diskstart.inc +++ b/core/diskstart.inc @@ -176,6 +176,8 @@ floppy: harddisk: test byte [di-76],7Fh ; Sanity check: "active flag" should jnz .no_partition ; be 00 or 80 + cmp [di-76+4],cl ; Sanity check: partition type != 0 + je .no_partition cmp eax,'!GPT' ; !GPT signature? jne .mbr cmp byte [di-76+4],0EDh ; Synthetic GPT partition entry? @@ -190,10 +192,13 @@ harddisk: push dword [di-76+8] ; Partition offset (dword) jmp .gotoffs .no_partition: +; +; No partition table given... assume that the Hidden field in the boot sector +; tells the truth (in particular, is zero if this is an unpartitioned disk.) +; push cx push cx - push cx - push cx + push dword [bsHidden] .gotoffs: ; ; Get disk drive parameters (don't trust the superblock.) Don't do this for |