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efi_selftest: implement printing GUIDs

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The ESRT test may try to print a GUID if an error occurs.
Implement the %pU print code.

Correct the ESRT test to use %pU instead of %pUl to avoid the output
of character 'l'.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt 2022-01-16 15:49:17 +01:00
parent 983a5a2e72
commit 7884a0986d
2 changed files with 29 additions and 4 deletions
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25
lib/efi_selftest/efi_selftest_console.c
View file

@ -70,6 +70,28 @@ static void printx(u64 p, int prec, u16 **buf)
*buf = pos; *buf = pos;
} }
/**
* print_guid() - print GUID to an u16 string
*
* @p: GUID to print
* @buf: pointer to buffer address,
* on return position of terminating zero word
*/
static void print_uuid(u8 *p, u16 **buf)
{
int i;
const u8 seq[] = {
3, 2, 1, 0, '-', 5, 4, '-', 7, 6, '-',
8, 9, 10, 11, 12, 13, 14, 15 };
for (i = 0; i < sizeof(seq); ++i) {
if (seq[i] == '-')
*(*buf)++ = u'-';
else
printx(p[seq[i]], 2, buf);
}
}
/* /*
* Print an unsigned 32bit value as decimal number to an u16 string * Print an unsigned 32bit value as decimal number to an u16 string
* *
@ -212,6 +234,9 @@ void efi_st_printc(int color, const char *fmt, ...)
con_out->output_string(con_out, u); con_out->output_string(con_out, u);
pos = buf; pos = buf;
break; break;
case 'U':
print_uuid(va_arg(args, void*), &pos);
break;
default: default:
--c; --c;
printx((uintptr_t)va_arg(args, void *), printx((uintptr_t)va_arg(args, void *),

8
lib/efi_selftest/efi_selftest_esrt.c
View file

@ -121,28 +121,28 @@ static bool lib_test_check_uuid_entry(struct efi_system_resource_table *esrt,
for (u32 idx = 0; idx < filled_entries; idx++) { for (u32 idx = 0; idx < filled_entries; idx++) {
if (!guidcmp(&entry[idx].fw_class, &img_info->image_type_id)) { if (!guidcmp(&entry[idx].fw_class, &img_info->image_type_id)) {
if (entry[idx].fw_version != img_info->version) { if (entry[idx].fw_version != img_info->version) {
efi_st_error("ESRT field mismatch for entry with fw_class=%pUl\n", efi_st_error("ESRT field mismatch for entry with fw_class=%pU\n",
&img_info->image_type_id); &img_info->image_type_id);
return false; return false;
} }
if (entry[idx].lowest_supported_fw_version != if (entry[idx].lowest_supported_fw_version !=
img_info->lowest_supported_image_version) { img_info->lowest_supported_image_version) {
efi_st_error("ESRT field mismatch for entry with fw_class=%pUl\n", efi_st_error("ESRT field mismatch for entry with fw_class=%pU\n",
&img_info->image_type_id); &img_info->image_type_id);
return false; return false;
} }
if (entry[idx].last_attempt_version != if (entry[idx].last_attempt_version !=
img_info->last_attempt_version) { img_info->last_attempt_version) {
efi_st_error("ESRT field mismatch for entry with fw_class=%pUl\n", efi_st_error("ESRT field mismatch for entry with fw_class=%pU\n",
&img_info->image_type_id); &img_info->image_type_id);
return false; return false;
} }
if (entry[idx].last_attempt_status != if (entry[idx].last_attempt_status !=
img_info->last_attempt_status) { img_info->last_attempt_status) {
efi_st_error("ESRT field mismatch for entry with fw_class=%pUl\n", efi_st_error("ESRT field mismatch for entry with fw_class=%pU\n",
&img_info->image_type_id); &img_info->image_type_id);
return false; return false;
} }