void virt_acpi_setup(VirtGuestInfo *guest_info) { AcpiBuildTables tables; AcpiBuildState *build_state; if (!guest_info->fw_cfg) { trace_virt_acpi_setup(); return; } if (!acpi_enabled) { trace_virt_acpi_setup(); return; } build_state = g_malloc0(sizeof *build_state); build_state->guest_info = guest_info; acpi_build_tables_init(&tables); virt_acpi_build(build_state->guest_info, &tables); /* Now expose it all to Guest */ build_state->table_mr = acpi_add_rom_blob(build_state, tables.table_data, ACPI_BUILD_TABLE_FILE, ACPI_BUILD_TABLE_MAX_SIZE); assert(build_state->table_mr != NULL); build_state->linker_mr = acpi_add_rom_blob(build_state, tables.linker, "etc/table-loader", 0); fw_cfg_add_file(guest_info->fw_cfg, ACPI_BUILD_TPMLOG_FILE, tables.tcpalog->data, acpi_data_len(tables.tcpalog)); build_state->rsdp_mr = acpi_add_rom_blob(build_state, tables.rsdp, ACPI_BUILD_RSDP_FILE, 0); qemu_register_reset(virt_acpi_build_reset, build_state); virt_acpi_build_reset(build_state); vmstate_register(NULL, 0, &vmstate_virt_acpi_build, build_state); /* Cleanup tables but don't free the memory: we track it * in build_state. */ acpi_build_tables_cleanup(&tables, false); }