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loader: fetch all potential boot partitions for device

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This also keeps the functionality of hrev53848, which simplifies the
list of disks searched for bootable partitions; however, it maintains
the previous behaviour of platform_get_boot_partitions that continues
to iterate over a list of possible boot partitions, which should
allow finding a bootable BFS partition better in more circumstances.

Particularly, there are numerous reports of the UEFI loader entering
the boot menu despite it finding a bootable partition, which this
should address.

EFI's device_contains_partition is also structured such that it
compares the disk GPT table of the partition the loader is
querying of the EFI disk's GPT table, in the case that there are
multiple disks, as the most reliable method of comparison, with
a generic fallback for non-GPT disks, which will be less reliable.

This reverts commit 0d932a49ad.

Change-Id: I5fac8608035d56b8bb4dc6c3d495ec6db42fa9b7
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4149
Reviewed-by: Alex von Gluck IV <[email protected]>
This commit is contained in:
Jessica Hamilton
2021-07-04 23:31:18 +00:00
committed by Alex von Gluck IV
parent 3ca5eec002
commit 62f80a2a71
9 changed files with 108 additions and 43 deletions
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headers/private/kernel/boot/platform.h
+2 -2
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@@ -59,8 +59,8 @@ namespace boot {
extern status_t platform_add_boot_device(struct stage2_args *args, NodeList *devicesList);
extern status_t platform_add_block_devices(struct stage2_args *args, NodeList *devicesList);
extern status_t platform_get_boot_partition(struct stage2_args *args, Node *bootDevice,
NodeList *partitions, boot::Partition **_partition);
extern status_t platform_get_boot_partitions(struct stage2_args *args, Node *bootDevice,
NodeList *partitions, NodeList *bootPartitions);
extern status_t platform_register_boot_device(Node *device);
extern void platform_cleanup_devices();