[SeaBIOS] [QEMU v5 PATCH 10/18] SMBIOS: Build full tables for type 32 and 127

Gabriel L. Somlo gsomlo at gmail.com
Fri Apr 11 18:11:50 CEST 2014


Build full smbios type 32 (system boot info) and 127 (end-of-table)
tables, and make them available via fw_cfg.

Signed-off-by: Gabriel Somlo <somlo at cmu.edu>
---
 hw/i386/smbios.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/hw/i386/smbios.c b/hw/i386/smbios.c
index 6510ff3..b1f1d46 100644
--- a/hw/i386/smbios.c
+++ b/hw/i386/smbios.c
@@ -615,6 +615,22 @@ static void smbios_build_type_20_table(unsigned instance,
     SMBIOS_BUILD_TABLE_POST;
 }
 
+static void smbios_build_type_32_table(void)
+{
+    SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true); /* required */
+
+    memset(t->reserved, 0, 6);
+    t->boot_status = 0; /* No errors detected */
+
+    SMBIOS_BUILD_TABLE_POST;
+}
+
+static void smbios_build_type_127_table(void)
+{
+    SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true); /* required */
+    SMBIOS_BUILD_TABLE_POST;
+}
+
 #define SMBIOS_SET_DEFAULT(field, value)                                  \
     if (!field) {                                                         \
         field = value;                                                    \
@@ -754,6 +770,9 @@ uint8_t *smbios_get_table(size_t *length)
             }
         }
 
+        smbios_build_type_32_table();
+        smbios_build_type_127_table();
+
         smbios_validate_table();
         smbios_immutable = true;
     }
-- 
1.9.0




More information about the SeaBIOS mailing list