LadybirdBrowser/ladybird
1
1
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2024-09-20 09:49:15 +03:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Fix booting from "inactive" MBR partitions

Browse Source 
Apparently you can boot from any MBR partition, not just the one labeled
as "bootable" or "active". The only ones you don't want to boot from are
the ones that don't exist.
This commit is contained in:
Conrad Pankoff 2019-06-08 18:31:36 +10:00 committed by Andreas Kling
parent de65c960e9
commit 842bf96e2c
Notes: sideshowbarker 2024-07-19 13:40:30 +09:00 
Author: https://github.com/deoxxa
Commit: https://github.com/SerenityOS/serenity/commit/842bf96e2cb
Pull-request: https://github.com/SerenityOS/serenity/pull/212
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Kernel/Devices/MBRPartitionTable.cpp
View File

@ -53,9 +53,17 @@ RetainPtr<DiskPartition> MBRPartitionTable::partition(unsigned index)
kprintf("MBRPartitionTable::partition: status=%#x offset=%#x\n", entry.status, entry.offset);
#endif
if (entry.status == 0x00) {
if (entry.offset == 0x00) {
#ifdef MBR_DEBUG
kprintf("MBRPartitionTable::partition: missing partition requested index=%d\n", index);
#endif
return nullptr;
}
#ifdef MBR_DEBUG
kprintf("MBRPartitionTable::partition: found partition index=%d type=%x\n", index, entry.type);
#endif
return DiskPartition::create(m_device.copy_ref(), entry.offset);
}