summary refs log tree commit diff stats
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/riscv/Kconfig1
-rw-r--r--hw/riscv/boot.c3
-rw-r--r--hw/riscv/numa.c4
-rw-r--r--hw/riscv/sifive_u.c7
-rw-r--r--hw/riscv/spike.c6
-rw-r--r--hw/riscv/virt-acpi-build.c2
-rw-r--r--hw/riscv/virt.c153
-rw-r--r--hw/smbios/smbios.c20
8 files changed, 104 insertions, 92 deletions
diff --git a/hw/riscv/Kconfig b/hw/riscv/Kconfig
index a50717be87..5d644eb7b1 100644
--- a/hw/riscv/Kconfig
+++ b/hw/riscv/Kconfig
@@ -41,6 +41,7 @@ config RISCV_VIRT
     select RISCV_IMSIC
     select SIFIVE_PLIC
     select SIFIVE_TEST
+    select SMBIOS
     select VIRTIO_MMIO
     select FW_CFG_DMA
     select PLATFORM_BUS
diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c
index 0ffca05189..12f9792245 100644
--- a/hw/riscv/boot.c
+++ b/hw/riscv/boot.c
@@ -36,7 +36,8 @@
 
 bool riscv_is_32bit(RISCVHartArrayState *harts)
 {
-    return harts->harts[0].env.misa_mxl_max == MXL_RV32;
+    RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(&harts->harts[0]);
+    return mcc->misa_mxl_max == MXL_RV32;
 }
 
 /*
diff --git a/hw/riscv/numa.c b/hw/riscv/numa.c
index d319aefb45..cf686f4ff1 100644
--- a/hw/riscv/numa.c
+++ b/hw/riscv/numa.c
@@ -167,7 +167,8 @@ void riscv_socket_fdt_write_id(const MachineState *ms, const char *node_name,
 void riscv_socket_fdt_write_distance_matrix(const MachineState *ms)
 {
     int i, j, idx;
-    uint32_t *dist_matrix, dist_matrix_size;
+    g_autofree uint32_t *dist_matrix = NULL;
+    uint32_t dist_matrix_size;
 
     if (numa_enabled(ms) && ms->numa_state->have_numa_distance) {
         dist_matrix_size = riscv_socket_count(ms) * riscv_socket_count(ms);
@@ -189,7 +190,6 @@ void riscv_socket_fdt_write_distance_matrix(const MachineState *ms)
                                 "numa-distance-map-v1");
         qemu_fdt_setprop(ms->fdt, "/distance-map", "distance-matrix",
                          dist_matrix, dist_matrix_size);
-        g_free(dist_matrix);
     }
 }
 
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index 5207ec1fa5..af5f923f54 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -171,7 +171,6 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap,
         int cpu_phandle = phandle++;
         nodename = g_strdup_printf("/cpus/cpu@%d", cpu);
         char *intc = g_strdup_printf("/cpus/cpu@%d/interrupt-controller", cpu);
-        char *isa;
         qemu_fdt_add_subnode(fdt, nodename);
         /* cpu 0 is the management hart that does not have mmu */
         if (cpu != 0) {
@@ -180,11 +179,10 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap,
             } else {
                 qemu_fdt_setprop_string(fdt, nodename, "mmu-type", "riscv,sv48");
             }
-            isa = riscv_isa_string(&s->soc.u_cpus.harts[cpu - 1]);
+            riscv_isa_write_fdt(&s->soc.u_cpus.harts[cpu - 1], fdt, nodename);
         } else {
-            isa = riscv_isa_string(&s->soc.e_cpus.harts[0]);
+            riscv_isa_write_fdt(&s->soc.e_cpus.harts[0], fdt, nodename);
         }
-        qemu_fdt_setprop_string(fdt, nodename, "riscv,isa", isa);
         qemu_fdt_setprop_string(fdt, nodename, "compatible", "riscv");
         qemu_fdt_setprop_string(fdt, nodename, "status", "okay");
         qemu_fdt_setprop_cell(fdt, nodename, "reg", cpu);
@@ -194,7 +192,6 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap,
         qemu_fdt_setprop_string(fdt, intc, "compatible", "riscv,cpu-intc");
         qemu_fdt_setprop(fdt, intc, "interrupt-controller", NULL, 0);
         qemu_fdt_setprop_cell(fdt, intc, "#interrupt-cells", 1);
-        g_free(isa);
         g_free(intc);
         g_free(nodename);
     }
diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c
index 81f7e53aed..64074395bc 100644
--- a/hw/riscv/spike.c
+++ b/hw/riscv/spike.c
@@ -59,7 +59,7 @@ static void create_fdt(SpikeState *s, const MemMapEntry *memmap,
     MachineState *ms = MACHINE(s);
     uint32_t *clint_cells;
     uint32_t cpu_phandle, intc_phandle, phandle = 1;
-    char *name, *mem_name, *clint_name, *clust_name;
+    char *mem_name, *clint_name, *clust_name;
     char *core_name, *cpu_name, *intc_name;
     static const char * const clint_compat[2] = {
         "sifive,clint0", "riscv,clint0"
@@ -113,9 +113,7 @@ static void create_fdt(SpikeState *s, const MemMapEntry *memmap,
             } else {
                 qemu_fdt_setprop_string(fdt, cpu_name, "mmu-type", "riscv,sv48");
             }
-            name = riscv_isa_string(&s->soc[socket].harts[cpu]);
-            qemu_fdt_setprop_string(fdt, cpu_name, "riscv,isa", name);
-            g_free(name);
+            riscv_isa_write_fdt(&s->soc[socket].harts[cpu], fdt, cpu_name);
             qemu_fdt_setprop_string(fdt, cpu_name, "compatible", "riscv");
             qemu_fdt_setprop_string(fdt, cpu_name, "status", "okay");
             qemu_fdt_setprop_cell(fdt, cpu_name, "reg",
diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c
index 26c7e4482d..fb8baf64f6 100644
--- a/hw/riscv/virt-acpi-build.c
+++ b/hw/riscv/virt-acpi-build.c
@@ -196,7 +196,7 @@ static void build_rhct(GArray *table_data,
     RISCVCPU *cpu = &s->soc[0].harts[0];
     uint32_t mmu_offset = 0;
     uint8_t satp_mode_max;
-    char *isa;
+    g_autofree char *isa = NULL;
 
     AcpiTable table = { .sig = "RHCT", .rev = 1, .oem_id = s->oem_id,
                         .oem_table_id = s->oem_table_id };
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index f9fd1341fc..fd35c74781 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -36,6 +36,7 @@
 #include "hw/riscv/boot.h"
 #include "hw/riscv/numa.h"
 #include "kvm/kvm_riscv.h"
+#include "hw/firmware/smbios.h"
 #include "hw/intc/riscv_aclint.h"
 #include "hw/intc/riscv_aplic.h"
 #include "hw/intc/sifive_plic.h"
@@ -215,12 +216,15 @@ static void create_fdt_socket_cpus(RISCVVirtState *s, int socket,
     int cpu;
     uint32_t cpu_phandle;
     MachineState *ms = MACHINE(s);
-    char *name, *cpu_name, *core_name, *intc_name, *sv_name;
     bool is_32_bit = riscv_is_32bit(&s->soc[0]);
     uint8_t satp_mode_max;
 
     for (cpu = s->soc[socket].num_harts - 1; cpu >= 0; cpu--) {
         RISCVCPU *cpu_ptr = &s->soc[socket].harts[cpu];
+        g_autofree char *cpu_name = NULL;
+        g_autofree char *core_name = NULL;
+        g_autofree char *intc_name = NULL;
+        g_autofree char *sv_name = NULL;
 
         cpu_phandle = (*phandle)++;
 
@@ -233,12 +237,9 @@ static void create_fdt_socket_cpus(RISCVVirtState *s, int socket,
             sv_name = g_strdup_printf("riscv,%s",
                                       satp_mode_str(satp_mode_max, is_32_bit));
             qemu_fdt_setprop_string(ms->fdt, cpu_name, "mmu-type", sv_name);
-            g_free(sv_name);
         }
 
-        name = riscv_isa_string(cpu_ptr);
-        qemu_fdt_setprop_string(ms->fdt, cpu_name, "riscv,isa", name);
-        g_free(name);
+        riscv_isa_write_fdt(cpu_ptr, ms->fdt, cpu_name);
 
         if (cpu_ptr->cfg.ext_zicbom) {
             qemu_fdt_setprop_cell(ms->fdt, cpu_name, "riscv,cbom-block-size",
@@ -277,17 +278,13 @@ static void create_fdt_socket_cpus(RISCVVirtState *s, int socket,
         core_name = g_strdup_printf("%s/core%d", clust_name, cpu);
         qemu_fdt_add_subnode(ms->fdt, core_name);
         qemu_fdt_setprop_cell(ms->fdt, core_name, "cpu", cpu_phandle);
-
-        g_free(core_name);
-        g_free(intc_name);
-        g_free(cpu_name);
     }
 }
 
 static void create_fdt_socket_memory(RISCVVirtState *s,
                                      const MemMapEntry *memmap, int socket)
 {
-    char *mem_name;
+    g_autofree char *mem_name = NULL;
     uint64_t addr, size;
     MachineState *ms = MACHINE(s);
 
@@ -299,7 +296,6 @@ static void create_fdt_socket_memory(RISCVVirtState *s,
         addr >> 32, addr, size >> 32, size);
     qemu_fdt_setprop_string(ms->fdt, mem_name, "device_type", "memory");
     riscv_socket_fdt_write_id(ms, mem_name, socket);
-    g_free(mem_name);
 }
 
 static void create_fdt_socket_clint(RISCVVirtState *s,
@@ -307,8 +303,8 @@ static void create_fdt_socket_clint(RISCVVirtState *s,
                                     uint32_t *intc_phandles)
 {
     int cpu;
-    char *clint_name;
-    uint32_t *clint_cells;
+    g_autofree char *clint_name = NULL;
+    g_autofree uint32_t *clint_cells = NULL;
     unsigned long clint_addr;
     MachineState *ms = MACHINE(s);
     static const char * const clint_compat[2] = {
@@ -335,9 +331,6 @@ static void create_fdt_socket_clint(RISCVVirtState *s,
     qemu_fdt_setprop(ms->fdt, clint_name, "interrupts-extended",
         clint_cells, s->soc[socket].num_harts * sizeof(uint32_t) * 4);
     riscv_socket_fdt_write_id(ms, clint_name, socket);
-    g_free(clint_name);
-
-    g_free(clint_cells);
 }
 
 static void create_fdt_socket_aclint(RISCVVirtState *s,
@@ -348,9 +341,9 @@ static void create_fdt_socket_aclint(RISCVVirtState *s,
     char *name;
     unsigned long addr, size;
     uint32_t aclint_cells_size;
-    uint32_t *aclint_mswi_cells;
-    uint32_t *aclint_sswi_cells;
-    uint32_t *aclint_mtimer_cells;
+    g_autofree uint32_t *aclint_mswi_cells = NULL;
+    g_autofree uint32_t *aclint_sswi_cells = NULL;
+    g_autofree uint32_t *aclint_mtimer_cells = NULL;
     MachineState *ms = MACHINE(s);
 
     aclint_mswi_cells = g_new0(uint32_t, s->soc[socket].num_harts * 2);
@@ -422,10 +415,6 @@ static void create_fdt_socket_aclint(RISCVVirtState *s,
         riscv_socket_fdt_write_id(ms, name, socket);
         g_free(name);
     }
-
-    g_free(aclint_mswi_cells);
-    g_free(aclint_mtimer_cells);
-    g_free(aclint_sswi_cells);
 }
 
 static void create_fdt_socket_plic(RISCVVirtState *s,
@@ -434,8 +423,8 @@ static void create_fdt_socket_plic(RISCVVirtState *s,
                                    uint32_t *plic_phandles)
 {
     int cpu;
-    char *plic_name;
-    uint32_t *plic_cells;
+    g_autofree char *plic_name = NULL;
+    g_autofree uint32_t *plic_cells;
     unsigned long plic_addr;
     MachineState *ms = MACHINE(s);
     static const char * const plic_compat[2] = {
@@ -495,10 +484,6 @@ static void create_fdt_socket_plic(RISCVVirtState *s,
                                        memmap[VIRT_PLATFORM_BUS].size,
                                        VIRT_PLATFORM_BUS_IRQ);
     }
-
-    g_free(plic_name);
-
-    g_free(plic_cells);
 }
 
 uint32_t imsic_num_bits(uint32_t count)
@@ -517,11 +502,12 @@ static void create_fdt_one_imsic(RISCVVirtState *s, hwaddr base_addr,
                                  bool m_mode, uint32_t imsic_guest_bits)
 {
     int cpu, socket;
-    char *imsic_name;
+    g_autofree char *imsic_name = NULL;
     MachineState *ms = MACHINE(s);
     int socket_count = riscv_socket_count(ms);
-    uint32_t imsic_max_hart_per_socket;
-    uint32_t *imsic_cells, *imsic_regs, imsic_addr, imsic_size;
+    uint32_t imsic_max_hart_per_socket, imsic_addr, imsic_size;
+    g_autofree uint32_t *imsic_cells = NULL;
+    g_autofree uint32_t *imsic_regs = NULL;
 
     imsic_cells = g_new0(uint32_t, ms->smp.cpus * 2);
     imsic_regs = g_new0(uint32_t, socket_count * 4);
@@ -573,10 +559,6 @@ static void create_fdt_one_imsic(RISCVVirtState *s, hwaddr base_addr,
                               IMSIC_MMIO_GROUP_MIN_SHIFT);
     }
     qemu_fdt_setprop_cell(ms->fdt, imsic_name, "phandle", msi_phandle);
-
-    g_free(imsic_name);
-    g_free(imsic_regs);
-    g_free(imsic_cells);
 }
 
 static void create_fdt_imsic(RISCVVirtState *s, const MemMapEntry *memmap,
@@ -608,12 +590,10 @@ static void create_fdt_one_aplic(RISCVVirtState *s, int socket,
                                  bool m_mode, int num_harts)
 {
     int cpu;
-    char *aplic_name;
-    uint32_t *aplic_cells;
+    g_autofree char *aplic_name = NULL;
+    g_autofree uint32_t *aplic_cells = g_new0(uint32_t, num_harts * 2);
     MachineState *ms = MACHINE(s);
 
-    aplic_cells = g_new0(uint32_t, num_harts * 2);
-
     for (cpu = 0; cpu < num_harts; cpu++) {
         aplic_cells[cpu * 2 + 0] = cpu_to_be32(intc_phandles[cpu]);
         aplic_cells[cpu * 2 + 1] = cpu_to_be32(m_mode ? IRQ_M_EXT : IRQ_S_EXT);
@@ -648,9 +628,6 @@ static void create_fdt_one_aplic(RISCVVirtState *s, int socket,
 
     riscv_socket_fdt_write_id(ms, aplic_name, socket);
     qemu_fdt_setprop_cell(ms->fdt, aplic_name, "phandle", aplic_phandle);
-
-    g_free(aplic_name);
-    g_free(aplic_cells);
 }
 
 static void create_fdt_socket_aplic(RISCVVirtState *s,
@@ -662,7 +639,7 @@ static void create_fdt_socket_aplic(RISCVVirtState *s,
                                     uint32_t *aplic_phandles,
                                     int num_harts)
 {
-    char *aplic_name;
+    g_autofree char *aplic_name = NULL;
     unsigned long aplic_addr;
     MachineState *ms = MACHINE(s);
     uint32_t aplic_m_phandle, aplic_s_phandle;
@@ -697,23 +674,18 @@ static void create_fdt_socket_aplic(RISCVVirtState *s,
                                        VIRT_PLATFORM_BUS_IRQ);
     }
 
-    g_free(aplic_name);
-
     aplic_phandles[socket] = aplic_s_phandle;
 }
 
 static void create_fdt_pmu(RISCVVirtState *s)
 {
-    char *pmu_name;
+    g_autofree char *pmu_name = g_strdup_printf("/pmu");
     MachineState *ms = MACHINE(s);
     RISCVCPU hart = s->soc[0].harts[0];
 
-    pmu_name = g_strdup_printf("/pmu");
     qemu_fdt_add_subnode(ms->fdt, pmu_name);
     qemu_fdt_setprop_string(ms->fdt, pmu_name, "compatible", "riscv,pmu");
     riscv_pmu_generate_fdt_node(ms->fdt, hart.pmu_avail_ctrs, pmu_name);
-
-    g_free(pmu_name);
 }
 
 static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
@@ -723,11 +695,11 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
                                uint32_t *irq_virtio_phandle,
                                uint32_t *msi_pcie_phandle)
 {
-    char *clust_name;
     int socket, phandle_pos;
     MachineState *ms = MACHINE(s);
     uint32_t msi_m_phandle = 0, msi_s_phandle = 0;
-    uint32_t *intc_phandles, xplic_phandles[MAX_NODES];
+    uint32_t xplic_phandles[MAX_NODES];
+    g_autofree uint32_t *intc_phandles = NULL;
     int socket_count = riscv_socket_count(ms);
 
     qemu_fdt_add_subnode(ms->fdt, "/cpus");
@@ -741,6 +713,7 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
 
     phandle_pos = ms->smp.cpus;
     for (socket = (socket_count - 1); socket >= 0; socket--) {
+        g_autofree char *clust_name = NULL;
         phandle_pos -= s->soc[socket].num_harts;
 
         clust_name = g_strdup_printf("/cpus/cpu-map/cluster%d", socket);
@@ -751,8 +724,6 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
 
         create_fdt_socket_memory(s, memmap, socket);
 
-        g_free(clust_name);
-
         if (tcg_enabled()) {
             if (s->have_aclint) {
                 create_fdt_socket_aclint(s, memmap, socket,
@@ -795,8 +766,6 @@ static void create_fdt_sockets(RISCVVirtState *s, const MemMapEntry *memmap,
         }
     }
 
-    g_free(intc_phandles);
-
     if (kvm_enabled() && virt_use_kvm_aia(s)) {
         *irq_mmio_phandle = xplic_phandles[0];
         *irq_virtio_phandle = xplic_phandles[0];
@@ -825,12 +794,12 @@ static void create_fdt_virtio(RISCVVirtState *s, const MemMapEntry *memmap,
                               uint32_t irq_virtio_phandle)
 {
     int i;
-    char *name;
     MachineState *ms = MACHINE(s);
 
     for (i = 0; i < VIRTIO_COUNT; i++) {
-        name = g_strdup_printf("/soc/virtio_mmio@%lx",
+        g_autofree char *name =  g_strdup_printf("/soc/virtio_mmio@%lx",
             (long)(memmap[VIRT_VIRTIO].base + i * memmap[VIRT_VIRTIO].size));
+
         qemu_fdt_add_subnode(ms->fdt, name);
         qemu_fdt_setprop_string(ms->fdt, name, "compatible", "virtio,mmio");
         qemu_fdt_setprop_cells(ms->fdt, name, "reg",
@@ -845,7 +814,6 @@ static void create_fdt_virtio(RISCVVirtState *s, const MemMapEntry *memmap,
             qemu_fdt_setprop_cells(ms->fdt, name, "interrupts",
                                    VIRTIO_IRQ + i, 0x4);
         }
-        g_free(name);
     }
 }
 
@@ -853,7 +821,7 @@ static void create_fdt_pcie(RISCVVirtState *s, const MemMapEntry *memmap,
                             uint32_t irq_pcie_phandle,
                             uint32_t msi_pcie_phandle)
 {
-    char *name;
+    g_autofree char *name = NULL;
     MachineState *ms = MACHINE(s);
 
     name = g_strdup_printf("/soc/pci@%lx",
@@ -887,7 +855,6 @@ static void create_fdt_pcie(RISCVVirtState *s, const MemMapEntry *memmap,
         2, virt_high_pcie_memmap.base, 2, virt_high_pcie_memmap.size);
 
     create_pcie_irq_map(s, ms->fdt, name, irq_pcie_phandle);
-    g_free(name);
 }
 
 static void create_fdt_reset(RISCVVirtState *s, const MemMapEntry *memmap,
@@ -934,7 +901,7 @@ static void create_fdt_reset(RISCVVirtState *s, const MemMapEntry *memmap,
 static void create_fdt_uart(RISCVVirtState *s, const MemMapEntry *memmap,
                             uint32_t irq_mmio_phandle)
 {
-    char *name;
+    g_autofree char *name = NULL;
     MachineState *ms = MACHINE(s);
 
     name = g_strdup_printf("/soc/serial@%lx", (long)memmap[VIRT_UART0].base);
@@ -952,13 +919,12 @@ static void create_fdt_uart(RISCVVirtState *s, const MemMapEntry *memmap,
     }
 
     qemu_fdt_setprop_string(ms->fdt, "/chosen", "stdout-path", name);
-    g_free(name);
 }
 
 static void create_fdt_rtc(RISCVVirtState *s, const MemMapEntry *memmap,
                            uint32_t irq_mmio_phandle)
 {
-    char *name;
+    g_autofree char *name = NULL;
     MachineState *ms = MACHINE(s);
 
     name = g_strdup_printf("/soc/rtc@%lx", (long)memmap[VIRT_RTC].base);
@@ -974,41 +940,36 @@ static void create_fdt_rtc(RISCVVirtState *s, const MemMapEntry *memmap,
     } else {
         qemu_fdt_setprop_cells(ms->fdt, name, "interrupts", RTC_IRQ, 0x4);
     }
-    g_free(name);
 }
 
 static void create_fdt_flash(RISCVVirtState *s, const MemMapEntry *memmap)
 {
-    char *name;
     MachineState *ms = MACHINE(s);
     hwaddr flashsize = virt_memmap[VIRT_FLASH].size / 2;
     hwaddr flashbase = virt_memmap[VIRT_FLASH].base;
+    g_autofree char *name = g_strdup_printf("/flash@%" PRIx64, flashbase);
 
-    name = g_strdup_printf("/flash@%" PRIx64, flashbase);
     qemu_fdt_add_subnode(ms->fdt, name);
     qemu_fdt_setprop_string(ms->fdt, name, "compatible", "cfi-flash");
     qemu_fdt_setprop_sized_cells(ms->fdt, name, "reg",
                                  2, flashbase, 2, flashsize,
                                  2, flashbase + flashsize, 2, flashsize);
     qemu_fdt_setprop_cell(ms->fdt, name, "bank-width", 4);
-    g_free(name);
 }
 
 static void create_fdt_fw_cfg(RISCVVirtState *s, const MemMapEntry *memmap)
 {
-    char *nodename;
     MachineState *ms = MACHINE(s);
     hwaddr base = memmap[VIRT_FW_CFG].base;
     hwaddr size = memmap[VIRT_FW_CFG].size;
+    g_autofree char *nodename = g_strdup_printf("/fw-cfg@%" PRIx64, base);
 
-    nodename = g_strdup_printf("/fw-cfg@%" PRIx64, base);
     qemu_fdt_add_subnode(ms->fdt, nodename);
     qemu_fdt_setprop_string(ms->fdt, nodename,
                             "compatible", "qemu,fw-cfg-mmio");
     qemu_fdt_setprop_sized_cells(ms->fdt, nodename, "reg",
                                  2, base, 2, size);
     qemu_fdt_setprop(ms->fdt, nodename, "dma-coherent", NULL, 0);
-    g_free(nodename);
 }
 
 static void finalize_fdt(RISCVVirtState *s)
@@ -1155,7 +1116,7 @@ static DeviceState *virt_create_plic(const MemMapEntry *memmap, int socket,
                                      int base_hartid, int hart_count)
 {
     DeviceState *ret;
-    char *plic_hart_config;
+    g_autofree char *plic_hart_config = NULL;
 
     /* Per-socket PLIC hart topology configuration string */
     plic_hart_config = riscv_plic_hart_config_string(hart_count);
@@ -1174,8 +1135,6 @@ static DeviceState *virt_create_plic(const MemMapEntry *memmap, int socket,
             VIRT_PLIC_CONTEXT_STRIDE,
             memmap[VIRT_PLIC].size);
 
-    g_free(plic_hart_config);
-
     return ret;
 }
 
@@ -1263,6 +1222,45 @@ static void create_platform_bus(RISCVVirtState *s, DeviceState *irqchip)
                                 sysbus_mmio_get_region(sysbus, 0));
 }
 
+static void virt_build_smbios(RISCVVirtState *s)
+{
+    MachineClass *mc = MACHINE_GET_CLASS(s);
+    MachineState *ms = MACHINE(s);
+    uint8_t *smbios_tables, *smbios_anchor;
+    size_t smbios_tables_len, smbios_anchor_len;
+    struct smbios_phys_mem_area mem_array;
+    const char *product = "QEMU Virtual Machine";
+
+    if (kvm_enabled()) {
+        product = "KVM Virtual Machine";
+    }
+
+    smbios_set_defaults("QEMU", product, mc->name, false,
+                        true, SMBIOS_ENTRY_POINT_TYPE_64);
+
+    if (riscv_is_32bit(&s->soc[0])) {
+        smbios_set_default_processor_family(0x200);
+    } else {
+        smbios_set_default_processor_family(0x201);
+    }
+
+    /* build the array of physical mem area from base_memmap */
+    mem_array.address = s->memmap[VIRT_DRAM].base;
+    mem_array.length = ms->ram_size;
+
+    smbios_get_tables(ms, &mem_array, 1,
+                      &smbios_tables, &smbios_tables_len,
+                      &smbios_anchor, &smbios_anchor_len,
+                      &error_fatal);
+
+    if (smbios_anchor) {
+        fw_cfg_add_file(s->fw_cfg, "etc/smbios/smbios-tables",
+                        smbios_tables, smbios_tables_len);
+        fw_cfg_add_file(s->fw_cfg, "etc/smbios/smbios-anchor",
+                        smbios_anchor, smbios_anchor_len);
+    }
+}
+
 static void virt_machine_done(Notifier *notifier, void *data)
 {
     RISCVVirtState *s = container_of(notifier, RISCVVirtState,
@@ -1351,6 +1349,8 @@ static void virt_machine_done(Notifier *notifier, void *data)
         riscv_setup_direct_kernel(kernel_entry, fdt_load_addr);
     }
 
+    virt_build_smbios(s);
+
     if (virt_is_acpi_enabled(s)) {
         virt_acpi_setup(s);
     }
@@ -1362,7 +1362,6 @@ static void virt_machine_init(MachineState *machine)
     RISCVVirtState *s = RISCV_VIRT_MACHINE(machine);
     MemoryRegion *system_memory = get_system_memory();
     MemoryRegion *mask_rom = g_new(MemoryRegion, 1);
-    char *soc_name;
     DeviceState *mmio_irqchip, *virtio_irqchip, *pcie_irqchip;
     int i, base_hartid, hart_count;
     int socket_count = riscv_socket_count(machine);
@@ -1382,6 +1381,8 @@ static void virt_machine_init(MachineState *machine)
     /* Initialize sockets */
     mmio_irqchip = virtio_irqchip = pcie_irqchip = NULL;
     for (i = 0; i < socket_count; i++) {
+        g_autofree char *soc_name = g_strdup_printf("soc%d", i);
+
         if (!riscv_socket_check_hartids(machine, i)) {
             error_report("discontinuous hartids in socket%d", i);
             exit(1);
@@ -1399,10 +1400,8 @@ static void virt_machine_init(MachineState *machine)
             exit(1);
         }
 
-        soc_name = g_strdup_printf("soc%d", i);
         object_initialize_child(OBJECT(machine), soc_name, &s->soc[i],
                                 TYPE_RISCV_HART_ARRAY);
-        g_free(soc_name);
         object_property_set_str(OBJECT(&s->soc[i]), "cpu-type",
                                 machine->cpu_type, &error_abort);
         object_property_set_int(OBJECT(&s->soc[i]), "hartid-base",
diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index 2a90601ac5..c0c5a81e66 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -102,6 +102,7 @@ static struct {
 #define DEFAULT_CPU_SPEED 2000
 
 static struct {
+    uint16_t processor_family;
     const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
     uint64_t max_speed;
     uint64_t current_speed;
@@ -110,6 +111,7 @@ static struct {
     .max_speed = DEFAULT_CPU_SPEED,
     .current_speed = DEFAULT_CPU_SPEED,
     .processor_id = 0,
+    .processor_family = 0x01, /* Other */
 };
 
 struct type8_instance {
@@ -338,6 +340,10 @@ static const QemuOptDesc qemu_smbios_type4_opts[] = {
         .type = QEMU_OPT_STRING,
         .help = "part number",
     }, {
+        .name = "processor-family",
+        .type = QEMU_OPT_NUMBER,
+        .help = "processor family",
+    }, {
         .name = "processor-id",
         .type = QEMU_OPT_NUMBER,
         .help = "processor id",
@@ -726,7 +732,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
     snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
     SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
     t->processor_type = 0x03; /* CPU */
-    t->processor_family = 0x01; /* Other */
+    t->processor_family = 0xfe; /* use Processor Family 2 field */
     SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
     if (type4.processor_id == 0) {
         t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
@@ -758,7 +764,7 @@ static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
     t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
 
     t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
-    t->processor_family2 = cpu_to_le16(0x01); /* Other */
+    t->processor_family2 = cpu_to_le16(type4.processor_family);
 
     if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
         t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket);
@@ -983,6 +989,13 @@ void smbios_set_cpuid(uint32_t version, uint32_t features)
         field = value;                                                    \
     }
 
+void smbios_set_default_processor_family(uint16_t processor_family)
+{
+    if (type4.processor_family <= 0x01) {
+        type4.processor_family = processor_family;
+    }
+}
+
 void smbios_set_defaults(const char *manufacturer, const char *product,
                          const char *version, bool legacy_mode,
                          bool uuid_encoded, SmbiosEntryPointType ep_type)
@@ -1402,6 +1415,9 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
                 return;
             }
             save_opt(&type4.sock_pfx, opts, "sock_pfx");
+            type4.processor_family = qemu_opt_get_number(opts,
+                                                         "processor-family",
+                                                         0x01 /* Other */);
             save_opt(&type4.manufacturer, opts, "manufacturer");
             save_opt(&type4.version, opts, "version");
             save_opt(&type4.serial, opts, "serial");