diff options
Diffstat (limited to 'src/lib/fw_config.c')
| -rw-r--r-- | src/lib/fw_config.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/lib/fw_config.c b/src/lib/fw_config.c index 72cf225cae..e1fbe74793 100644 --- a/src/lib/fw_config.c +++ b/src/lib/fw_config.c @@ -59,6 +59,21 @@ uint64_t fw_config_get(void) return fw_config_value; } +uint64_t fw_config_get_field(const struct fw_config_field *field) +{ + /* If fw_config is not provisioned, then there is nothing to get. */ + if (!fw_config_is_provisioned()) + return UNDEFINED_FW_CONFIG; + + int shift = __ffs64(field->mask); + const uint64_t value = (fw_config_get() & field->mask) >> shift; + + printk(BIOS_INFO, "fw_config get field name=%s, mask=0x%" PRIx64 ", shift=%d, value=0x%" + PRIx64 "\n", field->field_name, field->mask, shift, value); + + return value; +} + bool fw_config_probe(const struct fw_config *match) { /* If fw_config is not provisioned, then there is nothing to match. */ |