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Some improvements to the previous changes made to vfs_boot.cpp suggested by Ingo.

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This commit is contained in:
Alex Smith 2012-06-21 19:45:36 +01:00
parent d8efc6caf6
commit 5915eeb461
1 changed files with 13 additions and 14 deletions
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27
src/system/kernel/fs/vfs_boot.cpp
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@ -54,8 +54,6 @@ static struct {
{NULL}
};
static int32 sBootMethodType;
// This can be used by other code to see if there is a boot file system already
dev_t gBootDevice = -1;
bool gReadOnlyBootDevice = false;
@ -322,30 +320,27 @@ DiskBootMethod::SortPartitions(KPartition** partitions, int32 count)
The boot code should then just try them one by one.
*/
static status_t
get_boot_partitions(kernel_args* args, PartitionStack& partitions)
get_boot_partitions(KMessage &bootVolume, PartitionStack& partitions)
{
KMessage bootVolume;
bootVolume.SetTo(args->boot_volume, args->boot_volume_size);
dprintf("get_boot_partitions(): boot volume message:\n");
bootVolume.Dump(&dprintf);
// create boot method
sBootMethodType = bootVolume.GetInt32(BOOT_METHOD, BOOT_METHOD_DEFAULT);
int32 bootMethodType = bootVolume.GetInt32(BOOT_METHOD, BOOT_METHOD_DEFAULT);
dprintf("get_boot_partitions(): boot method type: %" B_PRId32 "\n",
sBootMethodType);
bootMethodType);
BootMethod* bootMethod = NULL;
switch (sBootMethodType) {
switch (bootMethodType) {
case BOOT_METHOD_NET:
bootMethod = new(nothrow) NetBootMethod(bootVolume, sBootMethodType);
bootMethod = new(nothrow) NetBootMethod(bootVolume, bootMethodType);
break;
case BOOT_METHOD_HARD_DISK:
case BOOT_METHOD_CD:
default:
bootMethod = new(nothrow) DiskBootMethod(bootVolume,
sBootMethodType);
bootMethodType);
break;
}
@ -464,8 +459,11 @@ vfs_bootstrap_file_systems(void)
void
vfs_mount_boot_file_system(kernel_args* args)
{
KMessage bootVolume;
bootVolume.SetTo(args->boot_volume, args->boot_volume_size);
PartitionStack partitions;
status_t status = get_boot_partitions(args, partitions);
status_t status = get_boot_partitions(bootVolume, partitions);
if (status < B_OK) {
panic("get_boot_partitions failed!");
}
@ -516,8 +514,9 @@ vfs_mount_boot_file_system(kernel_args* args)
// whether the module images the boot loader has pre-loaded are the same as
// on the boot volume. That is the case when booting from hard disk or CD,
// but not via network.
bool bootingFromBootLoaderVolume = sBootMethodType == BOOT_METHOD_HARD_DISK
|| sBootMethodType == BOOT_METHOD_CD;
int32 bootMethodType = bootVolume.GetInt32(BOOT_METHOD, BOOT_METHOD_DEFAULT);
bool bootingFromBootLoaderVolume = bootMethodType == BOOT_METHOD_HARD_DISK
|| bootMethodType == BOOT_METHOD_CD;
module_init_post_boot_device(bootingFromBootLoaderVolume);
file_cache_init_post_boot_device();