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efi_loader: Add mem-mapped for fallback

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When we don't have a real device/image path, such as 'bootefi hello',
construct a mem-mapped device-path.

This fixes 'bootefi hello' after devicepath refactoring.

Fixes: 95c5553ea2 ("efi_loader: refactor boot device and loaded_image handling")
Signed-off-by: Rob Clark <robdclark@gmail.com>
Acked-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Rob Clark 2017-10-10 08:23:06 -04:00 • committed by Alexander Graf
parent bcbc4a8046
commit bf19273e81
5 changed files with 67 additions and 0 deletions
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9
lib/efi_loader/efi_device_path_to_text.c
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@ -24,6 +24,15 @@ static char *dp_unknown(char *s, struct efi_device_path *dp)
static char *dp_hardware(char *s, struct efi_device_path *dp)
{
switch (dp->sub_type) {
case DEVICE_PATH_SUB_TYPE_MEMORY: {
struct efi_device_path_memory *mdp =
(struct efi_device_path_memory *)dp;
s += sprintf(s, "/MemoryMapped(0x%x,0x%llx,0x%llx)",
mdp->memory_type,
mdp->start_address,
mdp->end_address);
break;
}
case DEVICE_PATH_SUB_TYPE_VENDOR: {
struct efi_device_path_vendor *vdp =
(struct efi_device_path_vendor *)dp;