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x86: coreboot: Show unimplemented sysinfo tags

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Sometimes coreboot adds new tags that U-Boot does not know about. These
are silently ignored, but it is useful to at least know what we are
missing.

Add a way to collect this information. For Brya it shows:

   Unimpl. 38 41 37 34 42 40

These are:

   LB_TAG_PLATFORM_BLOB_VERSION
   LB_TAG_ACPI_CNVS
   LB_TAG_FMAP
   LB_TAG_VBOOT_WORKBUF
   LB_TAG_TYPE_C_INFO
   LB_TAG_BOARD_CONFIG

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass
2023-05-04 16:55:06 -06:00
committed by Bin Meng
parent ea45ee1fc3
commit 2f5210b703
3 changed files with 16 additions and 0 deletions
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8
cmd/x86/cbsysinfo.c
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@@ -364,6 +364,14 @@ static void show_table(struct sysinfo_t *info, bool verbose)
print_ptr("Chrome OS VPD", info->chromeos_vpd);
print_ptr("RSDP", info->rsdp);
printf("%-12s: ", "Unimpl.");
if (info->unimpl_count) {
for (i = 0; i < info->unimpl_count; i++)
printf("%02x ", info->unimpl[i]);
printf("\n");
} else {
printf("(none)\n");
}
}
static int do_cbsysinfo(struct cmd_tbl *cmdtp, int flag, int argc,