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Add support for the boot partition offset as provided by the BFS boot block.

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Now, platform_get_boot_partition() will work correctly.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7253 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2004-04-20 01:26:56 +00:00
parent cdc8d6b6f5
commit 0f87a64b54
1 changed files with 12 additions and 3 deletions
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src/kernel/boot/platform/bios_ia32/devices.cpp
+12 -3
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@@ -7,12 +7,15 @@
#include "bios.h" #include "bios.h"
#include <boot/platform.h> #include <boot/platform.h>
#include <boot/partitions.h>
#include <boot/stdio.h> #include <boot/stdio.h>
#include <string.h> #include <string.h>
// exported from shell.S
extern uint8 gBootDriveID; extern uint8 gBootDriveID;
extern uint32 gBootPartitionOffset;
// int 0x13 definitions // int 0x13 definitions
#define BIOS_GET_DRIVE_PARAMETERS 0x0800 #define BIOS_GET_DRIVE_PARAMETERS 0x0800
@@ -316,12 +319,18 @@ status_t
platform_get_boot_partition(struct stage2_args *args, NodeList *list, platform_get_boot_partition(struct stage2_args *args, NodeList *list,
boot::Partition **_partition) boot::Partition **_partition)
{ {
printf("boot partition offset: %lu\n", gBootPartitionOffset);
NodeIterator iterator = list->Iterator(); NodeIterator iterator = list->Iterator();
boot::Partition *partition = NULL; boot::Partition *partition = NULL;
while ((partition = (boot::Partition *)iterator.Next()) != NULL) { while ((partition = (boot::Partition *)iterator.Next()) != NULL) {
// ToDo: just take the first partition for now // search for the partition that contains the partition
*_partition = partition; // offset as reported by the BFS boot block
return B_OK; if (gBootPartitionOffset >= partition->offset
&& gBootPartitionOffset < partition->offset + partition->size) {
*_partition = partition;
return B_OK;
}
} }
return B_ENTRY_NOT_FOUND; return B_ENTRY_NOT_FOUND;