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Don't hardcode unit 0 for the current device if we're loaded from an

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EFI file system. When booting from a CD and there's already an EFI
system partition on the disk, setting the current device to unit 0
will select the harddisk. This invariably breaks installing FreeBSD
when other operating systems have been installed before.

We obviously want to do the same when we're booting over the network.
Maybe later.

Based on a patch (from memory) from: arun
This commit is contained in:
Marcel Moolenaar 2003-08-02 08:22:03 +00:00
parent f09fc81c31
commit e4ec6fb518
4 changed files with 31 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sys/boot/efi/libefi/efiboot.h
View File

@ -69,6 +69,9 @@ extern struct netif_driver efi_net;
/* Find EFI network resources */
extern void efinet_init_driver(void);
/* Map handles to units */
int efifs_get_unit(EFI_HANDLE);
/* Wrapper over EFI filesystems. */
extern struct fs_ops efi_fsops;

13
sys/boot/efi/libefi/efifs.c
View File

@ -291,7 +291,18 @@ struct fs_ops efi_fsops = {
};
static EFI_HANDLE *fs_handles;
UINTN fs_handle_count;;
UINTN fs_handle_count;
int
efifs_get_unit(EFI_HANDLE h)
{
UINTN u;
u = 0;
while (u < fs_handle_count && fs_handles[u] != h)
u++;
return ((u < fs_handle_count) ? u : -1);
}
static int
efifs_dev_init(void)

23
sys/boot/efi/loader/main.c
View File

@ -54,6 +54,7 @@ extern u_int64_t ia64_pal_entry;
EFI_GUID acpi = ACPI_TABLE_GUID;
EFI_GUID acpi20 = ACPI_20_TABLE_GUID;
EFI_GUID devid = DEVICE_PATH_PROTOCOL;
EFI_GUID hcdp = HCDP_TABLE_GUID;
EFI_GUID imgid = LOADED_IMAGE_PROTOCOL;
EFI_GUID mps = MPS_TABLE_GUID;
@ -101,8 +102,6 @@ EFI_STATUS
main(int argc, CHAR16 *argv[])
{
EFI_LOADED_IMAGE *img;
EFI_SIMPLE_NETWORK *net;
EFI_STATUS status;
int i;
/*
@ -129,7 +128,6 @@ main(int argc, CHAR16 *argv[])
efinet_init_driver();
/* Get our loaded image protocol interface structure. */
BS->HandleProtocol(IH, &imgid, (VOID**)&img);
@ -139,23 +137,16 @@ main(int argc, CHAR16 *argv[])
printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
printf("(%s, %s)\n", bootprog_maker, bootprog_date);
/*
* XXX quick and dirty check to see if we're loaded from the
* network. If so, we set the default device to 'net'. In all
* other cases we set the default device to 'disk'. We presume
* fixed positions in devsw for both net and disk.
*/
status = BS->HandleProtocol(img->DeviceHandle, &netid, (VOID**)&net);
if (status == EFI_SUCCESS && net != NULL) {
currdev.d_dev = devsw[1]; /* XXX net */
currdev.d_kind.netif.unit = 0;
} else {
i = efifs_get_unit(img->DeviceHandle);
if (i >= 0) {
currdev.d_dev = devsw[0]; /* XXX disk */
currdev.d_kind.efidisk.unit = 0;
currdev.d_kind.efidisk.unit = i;
/* XXX should be able to detect this, default to autoprobe */
currdev.d_kind.efidisk.slice = -1;
/* default to 'a' */
currdev.d_kind.efidisk.partition = 0;
} else {
currdev.d_dev = devsw[1]; /* XXX net */
currdev.d_kind.netif.unit = 0; /* XXX */
}
currdev.d_type = currdev.d_dev->dv_type;

23
sys/boot/ia64/efi/main.c
View File

@ -54,6 +54,7 @@ extern u_int64_t ia64_pal_entry;
EFI_GUID acpi = ACPI_TABLE_GUID;
EFI_GUID acpi20 = ACPI_20_TABLE_GUID;
EFI_GUID devid = DEVICE_PATH_PROTOCOL;
EFI_GUID hcdp = HCDP_TABLE_GUID;
EFI_GUID imgid = LOADED_IMAGE_PROTOCOL;
EFI_GUID mps = MPS_TABLE_GUID;
@ -101,8 +102,6 @@ EFI_STATUS
main(int argc, CHAR16 *argv[])
{
EFI_LOADED_IMAGE *img;
EFI_SIMPLE_NETWORK *net;
EFI_STATUS status;
int i;
/*
@ -129,7 +128,6 @@ main(int argc, CHAR16 *argv[])
efinet_init_driver();
/* Get our loaded image protocol interface structure. */
BS->HandleProtocol(IH, &imgid, (VOID**)&img);
@ -139,23 +137,16 @@ main(int argc, CHAR16 *argv[])
printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
printf("(%s, %s)\n", bootprog_maker, bootprog_date);
/*
* XXX quick and dirty check to see if we're loaded from the
* network. If so, we set the default device to 'net'. In all
* other cases we set the default device to 'disk'. We presume
* fixed positions in devsw for both net and disk.
*/
status = BS->HandleProtocol(img->DeviceHandle, &netid, (VOID**)&net);
if (status == EFI_SUCCESS && net != NULL) {
currdev.d_dev = devsw[1]; /* XXX net */
currdev.d_kind.netif.unit = 0;
} else {
i = efifs_get_unit(img->DeviceHandle);
if (i >= 0) {
currdev.d_dev = devsw[0]; /* XXX disk */
currdev.d_kind.efidisk.unit = 0;
currdev.d_kind.efidisk.unit = i;
/* XXX should be able to detect this, default to autoprobe */
currdev.d_kind.efidisk.slice = -1;
/* default to 'a' */
currdev.d_kind.efidisk.partition = 0;
} else {
currdev.d_dev = devsw[1]; /* XXX net */
currdev.d_kind.netif.unit = 0; /* XXX */
}
currdev.d_type = currdev.d_dev->dv_type;