efi: Support the efi command in the app
At present the 'efi' command only works in the EFI payload. Update it to
work in the app too, so the memory map can be examined.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/cmd/efi.c b/cmd/efi.c
index d2400ac..c0384e0 100644
--- a/cmd/efi.c
+++ b/cmd/efi.c
@@ -13,6 +13,8 @@
#include <sort.h>
#include <asm/global_data.h>
+DECLARE_GLOBAL_DATA_PTR;
+
static const char *const type_name[] = {
"reserved",
"loader_code",
@@ -217,37 +219,53 @@
static int do_efi_mem(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
- struct efi_mem_desc *desc;
- struct efi_entry_memmap *map;
+ struct efi_mem_desc *orig, *desc;
+ uint version, key;
+ int desc_size;
int size, ret;
bool skip_bs;
skip_bs = !argc || *argv[0] != 'a';
- ret = efi_info_get(EFIET_MEMORY_MAP, (void **)&map, &size);
- switch (ret) {
- case -ENOENT:
- printf("No EFI table available\n");
- goto done;
- case -EPROTONOSUPPORT:
- printf("Incorrect EFI table version\n");
- goto done;
+ if (IS_ENABLED(CONFIG_EFI_APP)) {
+ ret = efi_get_mmap(&orig, &size, &key, &desc_size, &version);
+ if (ret) {
+ printf("Cannot read memory map (err=%d)\n", ret);
+ return CMD_RET_FAILURE;
+ }
+ } else {
+ struct efi_entry_memmap *map;
+
+ ret = efi_info_get(EFIET_MEMORY_MAP, (void **)&map, &size);
+ switch (ret) {
+ case -ENOENT:
+ printf("No EFI table available\n");
+ goto done;
+ case -EPROTONOSUPPORT:
+ printf("Incorrect EFI table version\n");
+ goto done;
+ }
+ orig = map->desc;
+ desc_size = map->desc_size;
+ version = map->version;
}
- printf("EFI table at %lx, memory map %p, size %x, version %x, descr. size %#x\n",
- gd->arch.table, map, size, map->version, map->desc_size);
- if (map->version != EFI_MEM_DESC_VERSION) {
+ printf("EFI table at %lx, memory map %p, size %x, key %x, version %x, descr. size %#x\n",
+ gd->arch.table, orig, size, key, version, desc_size);
+ if (version != EFI_MEM_DESC_VERSION) {
printf("Incorrect memory map version\n");
ret = -EPROTONOSUPPORT;
goto done;
}
- desc = efi_build_mem_table(map->desc, size, map->desc_size, skip_bs);
+ desc = efi_build_mem_table(orig, size, desc_size, skip_bs);
if (!desc) {
ret = -ENOMEM;
goto done;
}
- efi_print_mem_table(desc, map->desc_size, skip_bs);
+ efi_print_mem_table(desc, desc_size, skip_bs);
free(desc);
+ if (IS_ENABLED(CONFIG_EFI_APP))
+ free(orig);
done:
if (ret)
printf("Error: %d\n", ret);