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| author | Xiaojuan Yang <yangxiaojuan@loongson.cn> | 2022-07-12 16:32:04 +0800 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-07-19 22:55:10 +0530 |
| commit | 3efa6fa1e629b91400e020be42e118fedd8f11ce (patch) | |
| tree | 0f7578aece111bb8e9b0b45fad7fa1c69b307dd1 /hw/loongarch | |
| parent | fb1cd3a2925ee3479b1a82adb2df967952a94300 (diff) | |
| download | qemu-3efa6fa1e629b91400e020be42e118fedd8f11ce.zip qemu-3efa6fa1e629b91400e020be42e118fedd8f11ce.tar.gz qemu-3efa6fa1e629b91400e020be42e118fedd8f11ce.tar.bz2 | |
hw/loongarch: Add smbios support
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.
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Message-Id: <20220712083206.4187715-5-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw/loongarch')
| -rw-r--r-- | hw/loongarch/Kconfig | 1 | ||||
| -rw-r--r-- | hw/loongarch/loongson3.c | 36 |
2 files changed, 37 insertions, 0 deletions
diff --git a/hw/loongarch/Kconfig b/hw/loongarch/Kconfig index 35b6680..610552e 100644 --- a/hw/loongarch/Kconfig +++ b/hw/loongarch/Kconfig @@ -14,3 +14,4 @@ config LOONGARCH_VIRT select LOONGARCH_PCH_MSI select LOONGARCH_EXTIOI select LS7A_RTC + select SMBIOS diff --git a/hw/loongarch/loongson3.c b/hw/loongarch/loongson3.c index 88e38ce..205894d 100644 --- a/hw/loongarch/loongson3.c +++ b/hw/loongarch/loongson3.c @@ -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; @@ -512,6 +546,8 @@ 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) |