diff options
| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2018-08-04 23:16:06 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2018-08-20 11:39:19 +0200 |
| commit | 07240da293379cc3e50fef1615b14225d7d583af (patch) | |
| tree | 3673c73545cbdf2418c060706a367bc0342ccd00 /lib | |
| parent | ccfc78b820e5e431c5bd73b072e7536a972e1710 (diff) | |
efi_loader: relocate pointer to tables
When applying a virtual memory map we have to update the pointer to the
list of configuration tables.
Fixes: 4182a129ef73 ("efi_loader: allocate configuration table array")
Reported-by: Mark Kettenis <mark.kettenis@xs4all.nl>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Tested-by: Mark Kettenis <kettenis@openbsd.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/efi_loader/efi_runtime.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c index 06958f23fa1..45b7809decc 100644 --- a/lib/efi_loader/efi_runtime.c +++ b/lib/efi_loader/efi_runtime.c @@ -360,6 +360,7 @@ static efi_status_t EFIAPI efi_set_virtual_address_map( efi_physical_addr_t map_start = map->physical_start; efi_physical_addr_t map_len = map->num_pages << EFI_PAGE_SHIFT; efi_physical_addr_t map_end = map_start + map_len; + u64 off = map->virtual_start - map_start; /* Adjust all mmio pointers in this region */ list_for_each(lhandle, &efi_runtime_mmio) { @@ -370,11 +371,17 @@ static efi_status_t EFIAPI efi_set_virtual_address_map( link); if ((map_start <= lmmio->paddr) && (map_end >= lmmio->paddr)) { - u64 off = map->virtual_start - map_start; uintptr_t new_addr = lmmio->paddr + off; *lmmio->ptr = (void *)new_addr; } } + if ((map_start <= (uintptr_t)systab.tables) && + (map_end >= (uintptr_t)systab.tables)) { + char *ptr = (char *)systab.tables; + + ptr += off; + systab.tables = (struct efi_configuration_table *)ptr; + } } /* Move the actual runtime code over */ |