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Diffstat (limited to 'lib')
-rw-r--r--lib/smbios.c73
1 files changed, 35 insertions, 38 deletions
diff --git a/lib/smbios.c b/lib/smbios.c
index d7f4999e8b..444aa245a2 100644
--- a/lib/smbios.c
+++ b/lib/smbios.c
@@ -102,9 +102,6 @@ static int smbios_add_string(struct smbios_ctx *ctx, const char *str)
int i = 1;
char *p = ctx->eos;
- if (!*str)
- str = "Unknown";
-
for (;;) {
if (!*p) {
ctx->last_str = p;
@@ -134,11 +131,18 @@ static int smbios_add_string(struct smbios_ctx *ctx, const char *str)
*
* @ctx: context for writing the tables
* @prop: property to write
+ * @dval: Default value to use if the string is not found or is empty
* Return: 0 if not found, else SMBIOS string number (1 or more)
*/
static int smbios_add_prop_si(struct smbios_ctx *ctx, const char *prop,
- int sysinfo_id)
+ int sysinfo_id, const char *dval)
{
+ if (!dval || !*dval)
+ dval = "Unknown";
+
+ if (!prop)
+ return smbios_add_string(ctx, dval);
+
if (sysinfo_id && ctx->dev) {
char val[SMBIOS_STR_MAX];
int ret;
@@ -151,8 +155,8 @@ static int smbios_add_prop_si(struct smbios_ctx *ctx, const char *prop,
const char *str;
str = ofnode_read_string(ctx->node, prop);
- if (str)
- return smbios_add_string(ctx, str);
+
+ return smbios_add_string(ctx, str ? str : dval);
}
return 0;
@@ -161,12 +165,15 @@ static int smbios_add_prop_si(struct smbios_ctx *ctx, const char *prop,
/**
* smbios_add_prop() - Add a property from the devicetree
*
- * @prop: property to write
+ * @prop: property to write. The default string will be written if
+ * prop is NULL
+ * @dval: Default value to use if the string is not found or is empty
* Return: 0 if not found, else SMBIOS string number (1 or more)
*/
-static int smbios_add_prop(struct smbios_ctx *ctx, const char *prop)
+static int smbios_add_prop(struct smbios_ctx *ctx, const char *prop,
+ const char *dval)
{
- return smbios_add_prop_si(ctx, prop, SYSINFO_ID_NONE);
+ return smbios_add_prop_si(ctx, prop, SYSINFO_ID_NONE, dval);
}
static void smbios_set_eos(struct smbios_ctx *ctx, char *eos)
@@ -228,11 +235,9 @@ static int smbios_write_type0(ulong *current, int handle,
memset(t, 0, sizeof(struct smbios_type0));
fill_smbios_header(t, SMBIOS_BIOS_INFORMATION, len, handle);
smbios_set_eos(ctx, t->eos);
- t->vendor = smbios_add_string(ctx, "U-Boot");
+ t->vendor = smbios_add_prop(ctx, NULL, "U-Boot");
- t->bios_ver = smbios_add_prop(ctx, "version");
- if (!t->bios_ver)
- t->bios_ver = smbios_add_string(ctx, PLAIN_VERSION);
+ t->bios_ver = smbios_add_prop(ctx, "version", PLAIN_VERSION);
if (t->bios_ver)
gd->smbios_version = ctx->last_str;
log_debug("smbios_version = %p: '%s'\n", gd->smbios_version,
@@ -241,7 +246,7 @@ static int smbios_write_type0(ulong *current, int handle,
print_buffer((ulong)gd->smbios_version, gd->smbios_version,
1, strlen(gd->smbios_version) + 1, 0);
#endif
- t->bios_release_date = smbios_add_string(ctx, U_BOOT_DMI_DATE);
+ t->bios_release_date = smbios_add_prop(ctx, NULL, U_BOOT_DMI_DATE);
#ifdef CONFIG_ROM_SIZE
t->bios_rom_size = (CONFIG_ROM_SIZE / 65536) - 1;
#endif
@@ -280,22 +285,19 @@ static int smbios_write_type1(ulong *current, int handle,
memset(t, 0, sizeof(struct smbios_type1));
fill_smbios_header(t, SMBIOS_SYSTEM_INFORMATION, len, handle);
smbios_set_eos(ctx, t->eos);
- t->manufacturer = smbios_add_prop(ctx, "manufacturer");
- if (!t->manufacturer)
- t->manufacturer = smbios_add_string(ctx, "Unknown");
- t->product_name = smbios_add_prop(ctx, "product");
- if (!t->product_name)
- t->product_name = smbios_add_string(ctx, "Unknown Product");
+ t->manufacturer = smbios_add_prop(ctx, "manufacturer", "Unknown");
+ t->product_name = smbios_add_prop(ctx, "product", "Unknown");
t->version = smbios_add_prop_si(ctx, "version",
- SYSINFO_ID_SMBIOS_SYSTEM_VERSION);
+ SYSINFO_ID_SMBIOS_SYSTEM_VERSION,
+ "Unknown");
if (serial_str) {
- t->serial_number = smbios_add_string(ctx, serial_str);
+ t->serial_number = smbios_add_prop(ctx, NULL, serial_str);
strncpy((char *)t->uuid, serial_str, sizeof(t->uuid));
} else {
- t->serial_number = smbios_add_prop(ctx, "serial");
+ t->serial_number = smbios_add_prop(ctx, "serial", "Unknown");
}
- t->sku_number = smbios_add_prop(ctx, "sku");
- t->family = smbios_add_prop(ctx, "family");
+ t->sku_number = smbios_add_prop(ctx, "sku", "Unknown");
+ t->family = smbios_add_prop(ctx, "family", "Unknown");
len = t->length + smbios_string_table_len(ctx);
*current += len;
@@ -314,15 +316,12 @@ static int smbios_write_type2(ulong *current, int handle,
memset(t, 0, sizeof(struct smbios_type2));
fill_smbios_header(t, SMBIOS_BOARD_INFORMATION, len, handle);
smbios_set_eos(ctx, t->eos);
- t->manufacturer = smbios_add_prop(ctx, "manufacturer");
- if (!t->manufacturer)
- t->manufacturer = smbios_add_string(ctx, "Unknown");
- t->product_name = smbios_add_prop(ctx, "product");
- if (!t->product_name)
- t->product_name = smbios_add_string(ctx, "Unknown Product");
+ t->manufacturer = smbios_add_prop(ctx, "manufacturer", "Unknown");
+ t->product_name = smbios_add_prop(ctx, "product", "Unknown");
t->version = smbios_add_prop_si(ctx, "version",
- SYSINFO_ID_SMBIOS_BASEBOARD_VERSION);
- t->asset_tag_number = smbios_add_prop(ctx, "asset-tag");
+ SYSINFO_ID_SMBIOS_BASEBOARD_VERSION,
+ "Unknown");
+ t->asset_tag_number = smbios_add_prop(ctx, "asset-tag", "Unknown");
t->feature_flags = SMBIOS_BOARD_FEATURE_HOSTING;
t->board_type = SMBIOS_BOARD_MOTHERBOARD;
@@ -343,9 +342,7 @@ static int smbios_write_type3(ulong *current, int handle,
memset(t, 0, sizeof(struct smbios_type3));
fill_smbios_header(t, SMBIOS_SYSTEM_ENCLOSURE, len, handle);
smbios_set_eos(ctx, t->eos);
- t->manufacturer = smbios_add_prop(ctx, "manufacturer");
- if (!t->manufacturer)
- t->manufacturer = smbios_add_string(ctx, "Unknown");
+ t->manufacturer = smbios_add_prop(ctx, "manufacturer", "Unknown");
t->chassis_type = SMBIOS_ENCLOSURE_DESKTOP;
t->bootup_state = SMBIOS_STATE_SAFE;
t->power_supply_state = SMBIOS_STATE_SAFE;
@@ -388,8 +385,8 @@ static void smbios_write_type4_dm(struct smbios_type4 *t,
#endif
t->processor_family = processor_family;
- t->processor_manufacturer = smbios_add_string(ctx, vendor);
- t->processor_version = smbios_add_string(ctx, name);
+ t->processor_manufacturer = smbios_add_prop(ctx, NULL, vendor);
+ t->processor_version = smbios_add_prop(ctx, NULL, name);
}
static int smbios_write_type4(ulong *current, int handle,
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-19 21:40:55 +0000