@@ -14,3 +14,4 @@ config LOONGARCH_VIRT
select LOONGARCH_PCH_MSI
select LOONGARCH_EXTIOI
select LS7A_RTC
+ select SMBIOS
@@ -30,11 +30,45 @@
#include "hw/misc/unimp.h"
#include "hw/loongarch/fw_cfg.h"
#include "target/loongarch/cpu.h"
+#include "hw/firmware/smbios.h"
#define PM_BASE 0x10080000
#define PM_SIZE 0x100
#define PM_CTRL 0x10
+static void virt_build_smbios(LoongArchMachineState *lams)
+{
+ MachineState *ms = MACHINE(lams);
+ MachineClass *mc = MACHINE_GET_CLASS(lams);
+ uint8_t *smbios_tables, *smbios_anchor;
+ size_t smbios_tables_len, smbios_anchor_len;
+ const char *product = "QEMU Virtual Machine";
+
+ if (!lams->fw_cfg) {
+ return;
+ }
+
+ smbios_set_defaults("QEMU", product, mc->name, false,
+ true, SMBIOS_ENTRY_POINT_TYPE_64);
+
+ smbios_get_tables(ms, NULL, 0, &smbios_tables, &smbios_tables_len,
+ &smbios_anchor, &smbios_anchor_len, &error_fatal);
+
+ if (smbios_anchor) {
+ fw_cfg_add_file(lams->fw_cfg, "etc/smbios/smbios-tables",
+ smbios_tables, smbios_tables_len);
+ fw_cfg_add_file(lams->fw_cfg, "etc/smbios/smbios-anchor",
+ smbios_anchor, smbios_anchor_len);
+ }
+}
+
+static void virt_machine_done(Notifier *notifier, void *data)
+{
+ LoongArchMachineState *lams = container_of(notifier,
+ LoongArchMachineState, machine_done);
+ virt_build_smbios(lams);
+}
+
struct memmap_entry {
uint64_t address;
uint64_t length;
@@ -509,6 +543,8 @@ static void loongarch_init(MachineState *machine)
}
/* Initialize the IO interrupt subsystem */
loongarch_irq_init(lams);
+ lams->machine_done.notify = virt_machine_done;
+ qemu_add_machine_init_done_notifier(&lams->machine_done);
}
static void loongarch_class_init(ObjectClass *oc, void *data)
@@ -33,6 +33,7 @@ struct LoongArchMachineState {
bool bios_loaded;
/* State for other subsystems/APIs: */
FWCfgState *fw_cfg;
+ Notifier machine_done;
};
#define TYPE_LOONGARCH_MACHINE MACHINE_TYPE_NAME("virt")
Add smbios support for loongarch virt machine, and put them into fw_cfg table so that bios can parse them quickly. The weblink of smbios spec: https://www.dmtf.org/dsp/DSP0134, the version is 3.6.0. Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn> --- hw/loongarch/Kconfig | 1 + hw/loongarch/loongson3.c | 36 ++++++++++++++++++++++++++++++++++++ include/hw/loongarch/virt.h | 1 + 3 files changed, 38 insertions(+)