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boot: Show the device path for EFI bootflows

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If the bootflow relates to the EFI bootmeth, show the device path along
with the other info.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2025-08-27 13:30:23 -06:00
parent ead588c067
commit e6f9a0ae58
5 changed files with 101 additions and 0 deletions
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17
cmd/bootflow.c
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@@ -13,6 +13,7 @@
#include <command.h>
#include <console.h>
#include <dm.h>
#include <efi_device_path.h>
#include <expo.h>
#include <log.h>
#include <mapmem.h>
@@ -453,6 +454,22 @@ static int do_bootflow_info(struct cmd_tbl *cmdtp, int flag, int argc,
printf("FDT addr: %lx\n", bflow->fdt_addr);
}
printf("Error: %d\n", bflow->err);
if (IS_ENABLED(CONFIG_BOOTMETH_EFI) &&
bflow->method->driver == DM_DRIVER_GET(bootmeth_4efi)) {
struct efi_device_path *dp;
bool alloced;
ret = efi_dp_from_bootflow(bflow, &dp, &alloced);
printf("EFI path ");
if (!ret) {
printf("%pD\n", dp);
if (alloced)
efi_free_pool(dp);
} else {
printf("(err %dE)\n", ret);
}
}
if (dump && bflow->buf) {
/* Set some sort of maximum on the size */
int size = min(bflow->size, 10 << 10);