// smbios table generation (on emulators)
//
-// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
+// Copyright (C) 2008,2009 Kevin O'Connor <kevin@koconnor.net>
// Copyright (C) 2006 Fabrice Bellard
//
-// This file may be distributed under the terms of the GNU GPLv3 license.
+// This file may be distributed under the terms of the GNU LGPLv3 license.
#include "util.h" // dprintf
-#include "memmap.h" // bios_table_cur_addr
#include "biosvar.h" // GET_EBDA
+#include "paravirt.h" // qemu_cfg_smbios_load_field
+#include "smbios.h" // struct smbios_entry_point
-
-/****************************************************************
- * UUID probe
- ****************************************************************/
-
-static void
-uuid_probe(u8 *bios_uuid)
-{
- // Default to UUID not set
- memset(bios_uuid, 0, 16);
-
- if (! CONFIG_QEMU)
- return;
-
- // check if backdoor port exists
- u32 eax, ebx, ecx, edx;
- asm volatile ("outl %%eax, %%dx"
- : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
- : "a" (0x564d5868), "c" (0xa), "d" (0x5658));
- if (ebx != 0x564d5868)
- return;
-
- u32 *uuid_ptr = (u32 *)bios_uuid;
- // get uuid
- asm volatile ("outl %%eax, %%dx"
- : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
- : "a" (0x564d5868), "c" (0x13), "d" (0x5658));
- uuid_ptr[0] = eax;
- uuid_ptr[1] = ebx;
- uuid_ptr[2] = ecx;
- uuid_ptr[3] = edx;
-}
-
-
-/****************************************************************
- * smbios tables
- ****************************************************************/
-
-/* SMBIOS entry point -- must be written to a 16-bit aligned address
- between 0xf0000 and 0xfffff.
- */
-struct smbios_entry_point {
- char anchor_string[4];
- u8 checksum;
- u8 length;
- u8 smbios_major_version;
- u8 smbios_minor_version;
- u16 max_structure_size;
- u8 entry_point_revision;
- u8 formatted_area[5];
- char intermediate_anchor_string[5];
- u8 intermediate_checksum;
- u16 structure_table_length;
- u32 structure_table_address;
- u16 number_of_structures;
- u8 smbios_bcd_revision;
-} __attribute__((__packed__));
-
-/* This goes at the beginning of every SMBIOS structure. */
-struct smbios_structure_header {
- u8 type;
- u8 length;
- u16 handle;
-} __attribute__((__packed__));
-
-/* SMBIOS type 0 - BIOS Information */
-struct smbios_type_0 {
- struct smbios_structure_header header;
- u8 vendor_str;
- u8 bios_version_str;
- u16 bios_starting_address_segment;
- u8 bios_release_date_str;
- u8 bios_rom_size;
- u8 bios_characteristics[8];
- u8 bios_characteristics_extension_bytes[2];
- u8 system_bios_major_release;
- u8 system_bios_minor_release;
- u8 embedded_controller_major_release;
- u8 embedded_controller_minor_release;
-} __attribute__((__packed__));
-
-/* SMBIOS type 1 - System Information */
-struct smbios_type_1 {
- struct smbios_structure_header header;
- u8 manufacturer_str;
- u8 product_name_str;
- u8 version_str;
- u8 serial_number_str;
- u8 uuid[16];
- u8 wake_up_type;
- u8 sku_number_str;
- u8 family_str;
-} __attribute__((__packed__));
-
-/* SMBIOS type 3 - System Enclosure (v2.3) */
-struct smbios_type_3 {
- struct smbios_structure_header header;
- u8 manufacturer_str;
- u8 type;
- u8 version_str;
- u8 serial_number_str;
- u8 asset_tag_number_str;
- u8 boot_up_state;
- u8 power_supply_state;
- u8 thermal_state;
- u8 security_status;
- u32 oem_defined;
- u8 height;
- u8 number_of_power_cords;
- u8 contained_element_count;
- // contained elements follow
-} __attribute__((__packed__));
-
-/* SMBIOS type 4 - Processor Information (v2.0) */
-struct smbios_type_4 {
- struct smbios_structure_header header;
- u8 socket_designation_str;
- u8 processor_type;
- u8 processor_family;
- u8 processor_manufacturer_str;
- u32 processor_id[2];
- u8 processor_version_str;
- u8 voltage;
- u16 external_clock;
- u16 max_speed;
- u16 current_speed;
- u8 status;
- u8 processor_upgrade;
-} __attribute__((__packed__));
-
-/* SMBIOS type 16 - Physical Memory Array
- * Associated with one type 17 (Memory Device).
- */
-struct smbios_type_16 {
- struct smbios_structure_header header;
- u8 location;
- u8 use;
- u8 error_correction;
- u32 maximum_capacity;
- u16 memory_error_information_handle;
- u16 number_of_memory_devices;
-} __attribute__((__packed__));
-
-/* SMBIOS type 17 - Memory Device
- * Associated with one type 19
- */
-struct smbios_type_17 {
- struct smbios_structure_header header;
- u16 physical_memory_array_handle;
- u16 memory_error_information_handle;
- u16 total_width;
- u16 data_width;
- u16 size;
- u8 form_factor;
- u8 device_set;
- u8 device_locator_str;
- u8 bank_locator_str;
- u8 memory_type;
- u16 type_detail;
-} __attribute__((__packed__));
-
-/* SMBIOS type 19 - Memory Array Mapped Address */
-struct smbios_type_19 {
- struct smbios_structure_header header;
- u32 starting_address;
- u32 ending_address;
- u16 memory_array_handle;
- u8 partition_width;
-} __attribute__((__packed__));
-
-/* SMBIOS type 20 - Memory Device Mapped Address */
-struct smbios_type_20 {
- struct smbios_structure_header header;
- u32 starting_address;
- u32 ending_address;
- u16 memory_device_handle;
- u16 memory_array_mapped_address_handle;
- u8 partition_row_position;
- u8 interleave_position;
- u8 interleaved_data_depth;
-} __attribute__((__packed__));
-
-/* SMBIOS type 32 - System Boot Information */
-struct smbios_type_32 {
- struct smbios_structure_header header;
- u8 reserved[6];
- u8 boot_status;
-} __attribute__((__packed__));
-
-/* SMBIOS type 127 -- End-of-table */
-struct smbios_type_127 {
- struct smbios_structure_header header;
-} __attribute__((__packed__));
-
-
-/****************************************************************
- * smbios init
- ****************************************************************/
+struct smbios_entry_point *SMBiosAddr;
static void
-smbios_entry_point_init(void *start,
- u16 max_structure_size,
+smbios_entry_point_init(u16 max_structure_size,
u16 structure_table_length,
- u32 structure_table_address,
+ void *structure_table_address,
u16 number_of_structures)
{
- struct smbios_entry_point *ep = (struct smbios_entry_point *)start;
+ struct smbios_entry_point *ep = malloc_fseg(sizeof(*ep));
+ void *finaltable;
+ if (structure_table_length <= BUILD_MAX_SMBIOS_FSEG)
+ // Table is small enough for f-seg - allocate there. This
+ // works around a bug in JunOS (at least for small SMBIOS tables).
+ finaltable = malloc_fseg(structure_table_length);
+ else
+ finaltable = malloc_high(structure_table_length);
+ if (!ep || !finaltable) {
+ warn_noalloc();
+ free(ep);
+ free(finaltable);
+ return;
+ }
+ memcpy(finaltable, structure_table_address, structure_table_length);
memcpy(ep->anchor_string, "_SM_", 4);
ep->length = 0x1f;
memcpy(ep->intermediate_anchor_string, "_DMI_", 5);
ep->structure_table_length = structure_table_length;
- ep->structure_table_address = structure_table_address;
+ ep->structure_table_address = (u32)finaltable;
ep->number_of_structures = number_of_structures;
ep->smbios_bcd_revision = 0x24;
- ep->checksum = 0;
- ep->intermediate_checksum = 0;
+ ep->checksum -= checksum(ep, 0x10);
- ep->checksum = -checksum(start, 0x10);
+ ep->intermediate_checksum -= checksum((void*)ep + 0x10, ep->length - 0x10);
- ep->intermediate_checksum = -checksum(start + 0x10, ep->length - 0x10);
+ SMBiosAddr = ep;
+ dprintf(1, "SMBIOS ptr=%p table=%p size=%d\n"
+ , ep, finaltable, structure_table_length);
}
+#define load_str_field_with_default(type, field, def) \
+ do { \
+ size = qemu_cfg_smbios_load_field(type, \
+ offsetof(struct smbios_type_##type, \
+ field), end); \
+ if (size > 0) { \
+ end += size; \
+ } else { \
+ memcpy(end, def, sizeof(def)); \
+ end += sizeof(def); \
+ } \
+ p->field = ++str_index; \
+ } while (0)
+
+#define load_str_field_or_skip(type, field) \
+ do { \
+ size = qemu_cfg_smbios_load_field(type, \
+ offsetof(struct smbios_type_##type, \
+ field), end); \
+ if (size > 0) { \
+ end += size; \
+ p->field = ++str_index; \
+ } else { \
+ p->field = 0; \
+ } \
+ } while (0)
+
+#define set_field_with_default(type, field, def) \
+ do { \
+ if (!qemu_cfg_smbios_load_field(type, \
+ offsetof(struct smbios_type_##type, \
+ field), &p->field)) { \
+ p->field = def; \
+ } \
+ } while (0)
+
/* Type 0 -- BIOS Information */
#define RELEASE_DATE_STR "01/01/2007"
static void *
-smbios_type_0_init(void *start)
+smbios_init_type_0(void *start)
{
struct smbios_type_0 *p = (struct smbios_type_0 *)start;
+ char *end = (char *)start + sizeof(struct smbios_type_0);
+ size_t size;
+ int str_index = 0;
p->header.type = 0;
p->header.length = sizeof(struct smbios_type_0);
p->header.handle = 0;
- p->vendor_str = 1;
- p->bios_version_str = 1;
- p->bios_starting_address_segment = 0xe800;
- p->bios_release_date_str = 2;
- p->bios_rom_size = 0; /* FIXME */
+ load_str_field_with_default(0, vendor_str, CONFIG_APPNAME);
+ load_str_field_with_default(0, bios_version_str, CONFIG_APPNAME);
- memset(p->bios_characteristics, 0, 7);
- p->bios_characteristics[7] = 0x08; /* BIOS characteristics not supported */
- p->bios_characteristics_extension_bytes[0] = 0;
- p->bios_characteristics_extension_bytes[1] = 0;
+ p->bios_starting_address_segment = 0xe800;
- p->system_bios_major_release = 1;
- p->system_bios_minor_release = 0;
- p->embedded_controller_major_release = 0xff;
- p->embedded_controller_minor_release = 0xff;
+ load_str_field_with_default(0, bios_release_date_str, RELEASE_DATE_STR);
- start += sizeof(struct smbios_type_0);
- memcpy((char *)start, CONFIG_APPNAME, sizeof(CONFIG_APPNAME));
- start += sizeof(CONFIG_APPNAME);
- memcpy((char *)start, RELEASE_DATE_STR, sizeof(RELEASE_DATE_STR));
- start += sizeof(RELEASE_DATE_STR);
- *((u8 *)start) = 0;
+ p->bios_rom_size = 0; /* FIXME */
- return start+1;
+ if (!qemu_cfg_smbios_load_field(0, offsetof(struct smbios_type_0,
+ bios_characteristics),
+ &p->bios_characteristics)) {
+ memset(p->bios_characteristics, 0, 8);
+ /* BIOS characteristics not supported */
+ p->bios_characteristics[0] = 0x08;
+ }
+
+ if (!qemu_cfg_smbios_load_field(0, offsetof(struct smbios_type_0,
+ bios_characteristics_extension_bytes),
+ &p->bios_characteristics_extension_bytes)) {
+ p->bios_characteristics_extension_bytes[0] = 0;
+ /* Enable targeted content distribution. Needed for SVVP */
+ p->bios_characteristics_extension_bytes[1] = 4;
+ }
+
+ set_field_with_default(0, system_bios_major_release, 1);
+ set_field_with_default(0, system_bios_minor_release, 0);
+ set_field_with_default(0, embedded_controller_major_release, 0xff);
+ set_field_with_default(0, embedded_controller_minor_release, 0xff);
+
+ *end = 0;
+ end++;
+
+ return end;
}
/* Type 1 -- System Information */
static void *
-smbios_type_1_init(void *start)
+smbios_init_type_1(void *start)
{
struct smbios_type_1 *p = (struct smbios_type_1 *)start;
+ char *end = (char *)start + sizeof(struct smbios_type_1);
+ size_t size;
+ int str_index = 0;
+
p->header.type = 1;
p->header.length = sizeof(struct smbios_type_1);
p->header.handle = 0x100;
- p->manufacturer_str = 0;
- p->product_name_str = 0;
- p->version_str = 0;
- p->serial_number_str = 0;
+ load_str_field_with_default(1, manufacturer_str, CONFIG_APPNAME);
+ load_str_field_with_default(1, product_name_str, CONFIG_APPNAME);
+ load_str_field_or_skip(1, version_str);
+ load_str_field_or_skip(1, serial_number_str);
- uuid_probe(p->uuid);
+ if (!qemu_cfg_smbios_load_field(1, offsetof(struct smbios_type_1,
+ uuid), &p->uuid)) {
+ memset(p->uuid, 0, 16);
+ }
- p->wake_up_type = 0x06; /* power switch */
- p->sku_number_str = 0;
- p->family_str = 0;
+ set_field_with_default(1, wake_up_type, 0x06); /* power switch */
- start += sizeof(struct smbios_type_1);
- *((u16 *)start) = 0;
+ load_str_field_or_skip(1, sku_number_str);
+ load_str_field_or_skip(1, family_str);
- return start+2;
+ *end = 0;
+ end++;
+ if (!str_index) {
+ *end = 0;
+ end++;
+ }
+
+ return end;
}
/* Type 3 -- System Enclosure */
static void *
-smbios_type_3_init(void *start)
+smbios_init_type_3(void *start)
{
struct smbios_type_3 *p = (struct smbios_type_3 *)start;
+ char *end = (char *)start + sizeof(struct smbios_type_3);
+ size_t size;
+ int str_index = 0;
p->header.type = 3;
p->header.length = sizeof(struct smbios_type_3);
p->header.handle = 0x300;
- p->manufacturer_str = 0;
- p->type = 0x01; /* other */
- p->version_str = 0;
- p->serial_number_str = 0;
- p->asset_tag_number_str = 0;
- p->boot_up_state = 0x03; /* safe */
- p->power_supply_state = 0x03; /* safe */
- p->thermal_state = 0x03; /* safe */
- p->security_status = 0x02; /* unknown */
- p->oem_defined = 0;
- p->height = 0;
- p->number_of_power_cords = 0;
- p->contained_element_count = 0;
-
- start += sizeof(struct smbios_type_3);
- *((u16 *)start) = 0;
+ load_str_field_with_default(3, manufacturer_str, CONFIG_APPNAME);
+ set_field_with_default(3, type, 0x01); /* other */
- return start+2;
+ load_str_field_or_skip(3, version_str);
+ load_str_field_or_skip(3, serial_number_str);
+ load_str_field_or_skip(3, asset_tag_number_str);
+
+ set_field_with_default(3, boot_up_state, 0x03); /* safe */
+ set_field_with_default(3, power_supply_state, 0x03); /* safe */
+ set_field_with_default(3, thermal_state, 0x03); /* safe */
+ set_field_with_default(3, security_status, 0x02); /* unknown */
+
+ set_field_with_default(3, oem_defined, 0);
+ set_field_with_default(3, height, 0);
+ set_field_with_default(3, number_of_power_cords, 0);
+ set_field_with_default(3, contained_element_count, 0);
+
+ *end = 0;
+ end++;
+ if (!str_index) {
+ *end = 0;
+ end++;
+ }
+
+ return end;
}
/* Type 4 -- Processor Information */
static void *
-smbios_type_4_init(void *start, unsigned int cpu_number)
+smbios_init_type_4(void *start, unsigned int cpu_number)
{
struct smbios_type_4 *p = (struct smbios_type_4 *)start;
+ char *end = (char *)start + sizeof(struct smbios_type_4);
+ size_t size;
+ int str_index = 0;
+ char name[1024];
p->header.type = 4;
p->header.length = sizeof(struct smbios_type_4);
p->header.handle = 0x400 + cpu_number;
- p->socket_designation_str = 1;
- p->processor_type = 0x03; /* CPU */
- p->processor_family = 0x01; /* other */
- p->processor_manufacturer_str = 0;
-
- u32 cpuid_signature, ebx, ecx, cpuid_features;
- cpuid(1, &cpuid_signature, &ebx, &ecx, &cpuid_features);
- p->processor_id[0] = cpuid_signature;
- p->processor_id[1] = cpuid_features;
-
- p->processor_version_str = 0;
- p->voltage = 0;
- p->external_clock = 0;
-
- p->max_speed = 0; /* unknown */
- p->current_speed = 0; /* unknown */
-
- p->status = 0x41; /* socket populated, CPU enabled */
- p->processor_upgrade = 0x01; /* other */
-
- start += sizeof(struct smbios_type_4);
-
- memcpy((char *)start, "CPU " "\0" "" "\0" "", 7);
- ((char *)start)[4] = cpu_number + '0';
-
- return start+7;
+ size = qemu_cfg_smbios_load_field(4, offsetof(struct smbios_type_4,
+ socket_designation_str),
+ name);
+ if (size)
+ snprintf(name + size - 1, sizeof(name) - size, "%2x", cpu_number);
+ else
+ snprintf(name, sizeof(name), "CPU%2x", cpu_number);
+
+ memcpy(end, name, strlen(name) + 1);
+ end += strlen(name) + 1;
+ p->socket_designation_str = ++str_index;
+
+ set_field_with_default(4, processor_type, 0x03); /* CPU */
+ set_field_with_default(4, processor_family, 0x01); /* other */
+
+ load_str_field_with_default(4, processor_manufacturer_str, CONFIG_APPNAME);
+
+ if (!qemu_cfg_smbios_load_field(4, offsetof(struct smbios_type_4,
+ processor_id), p->processor_id)) {
+ u32 cpuid_signature, ebx, ecx, cpuid_features;
+ cpuid(1, &cpuid_signature, &ebx, &ecx, &cpuid_features);
+ p->processor_id[0] = cpuid_signature;
+ p->processor_id[1] = cpuid_features;
+ }
+
+ load_str_field_or_skip(4, processor_version_str);
+ set_field_with_default(4, voltage, 0);
+ set_field_with_default(4, external_clock, 0);
+
+ set_field_with_default(4, max_speed, 2000);
+ set_field_with_default(4, current_speed, 2000);
+
+ set_field_with_default(4, status, 0x41); /* socket populated, CPU enabled */
+ set_field_with_default(4, processor_upgrade, 0x01); /* other */
+
+ /* cache information structure not provided */
+ p->l1_cache_handle = 0xffff;
+ p->l2_cache_handle = 0xffff;
+ p->l3_cache_handle = 0xffff;
+
+ *end = 0;
+ end++;
+ if (!str_index) {
+ *end = 0;
+ end++;
+ }
+
+ return end;
}
/* Type 16 -- Physical Memory Array */
static void *
-smbios_type_16_init(void *start, u32 memsize)
+smbios_init_type_16(void *start, u32 memory_size_mb, int nr_mem_devs)
{
struct smbios_type_16 *p = (struct smbios_type_16*)start;
p->header.length = sizeof(struct smbios_type_16);
p->header.handle = 0x1000;
- p->location = 0x01; /* other */
- p->use = 0x03; /* system memory */
- p->error_correction = 0x01; /* other */
- p->maximum_capacity = memsize * 1024;
+ set_field_with_default(16, location, 0x01); /* other */
+ set_field_with_default(16, use, 0x03); /* system memory */
+ /* Multi-bit ECC to make Microsoft happy */
+ set_field_with_default(16, error_correction, 0x06);
+ /* 0x80000000 = unknown, accept sizes < 2TB - TODO multiple arrays */
+ p->maximum_capacity = memory_size_mb < 2 << 20 ?
+ memory_size_mb << 10 : 0x80000000;
p->memory_error_information_handle = 0xfffe; /* none provided */
- p->number_of_memory_devices = 1;
+ p->number_of_memory_devices = nr_mem_devs;
start += sizeof(struct smbios_type_16);
*((u16 *)start) = 0;
/* Type 17 -- Memory Device */
static void *
-smbios_type_17_init(void *start, u32 memory_size_mb)
+smbios_init_type_17(void *start, u32 size_mb, int instance)
{
struct smbios_type_17 *p = (struct smbios_type_17 *)start;
+ char *end = (char *)start + sizeof(struct smbios_type_17);
+ size_t size;
+ int str_index = 0;
+ char name[1024];
p->header.type = 17;
p->header.length = sizeof(struct smbios_type_17);
- p->header.handle = 0x1100;
+ p->header.handle = 0x1100 + instance;
p->physical_memory_array_handle = 0x1000;
- p->total_width = 64;
- p->data_width = 64;
- /* truncate memory_size_mb to 16 bits and clear most significant
- bit [indicates size in MB] */
- p->size = (u16) memory_size_mb & 0x7fff;
- p->form_factor = 0x09; /* DIMM */
+ set_field_with_default(17, total_width, 64);
+ set_field_with_default(17, data_width, 64);
+/* TODO: should assert in case something is wrong ASSERT((memory_size_mb & ~0x7fff) == 0); */
+ p->size = size_mb;
+ set_field_with_default(17, form_factor, 0x09); /* DIMM */
p->device_set = 0;
- p->device_locator_str = 1;
- p->bank_locator_str = 0;
- p->memory_type = 0x07; /* RAM */
- p->type_detail = 0;
-
- start += sizeof(struct smbios_type_17);
- memcpy((char *)start, "DIMM 1", 7);
- start += 7;
- *((u8 *)start) = 0;
- return start+1;
+ size = qemu_cfg_smbios_load_field(17, offsetof(struct smbios_type_17,
+ device_locator_str),
+ name);
+ if (size)
+ snprintf(name + size - 1, sizeof(name) - size, "%d", instance);
+ else
+ snprintf(name, sizeof(name), "DIMM %d", instance);
+
+ memcpy(end, name, strlen(name) + 1);
+ end += strlen(name) + 1;
+ p->device_locator_str = ++str_index;
+
+ load_str_field_or_skip(17, bank_locator_str);
+ set_field_with_default(17, memory_type, 0x07); /* RAM */
+ set_field_with_default(17, type_detail, 0);
+
+ *end = 0;
+ end++;
+ if (!str_index) {
+ *end = 0;
+ end++;
+ }
+
+ return end;
}
/* Type 19 -- Memory Array Mapped Address */
static void *
-smbios_type_19_init(void *start, u32 memory_size_mb)
+smbios_init_type_19(void *start, u32 start_mb, u32 size_mb, int instance)
{
struct smbios_type_19 *p = (struct smbios_type_19 *)start;
p->header.type = 19;
p->header.length = sizeof(struct smbios_type_19);
- p->header.handle = 0x1300;
+ p->header.handle = 0x1300 + instance;
- p->starting_address = 0;
- p->ending_address = (memory_size_mb-1) * 1024;
+ p->starting_address = start_mb << 10;
+ p->ending_address = p->starting_address + (size_mb << 10) - 1;
p->memory_array_handle = 0x1000;
p->partition_width = 1;
/* Type 20 -- Memory Device Mapped Address */
static void *
-smbios_type_20_init(void *start, u32 memory_size_mb)
+smbios_init_type_20(void *start, u32 start_mb, u32 size_mb, int instance,
+ int dev_handle, int array_handle)
{
struct smbios_type_20 *p = (struct smbios_type_20 *)start;
p->header.type = 20;
p->header.length = sizeof(struct smbios_type_20);
- p->header.handle = 0x1400;
+ p->header.handle = 0x1400 + instance;
- p->starting_address = 0;
- p->ending_address = (memory_size_mb-1)*1024;
- p->memory_device_handle = 0x1100;
- p->memory_array_mapped_address_handle = 0x1300;
+ p->starting_address = start_mb << 10;
+ p->ending_address = p->starting_address + (size_mb << 10) - 1;
+ p->memory_device_handle = 0x1100 + dev_handle;
+ p->memory_array_mapped_address_handle = 0x1300 + array_handle;
p->partition_row_position = 1;
p->interleave_position = 0;
p->interleaved_data_depth = 0;
/* Type 32 -- System Boot Information */
static void *
-smbios_type_32_init(void *start)
+smbios_init_type_32(void *start)
{
struct smbios_type_32 *p = (struct smbios_type_32 *)start;
p->header.length = sizeof(struct smbios_type_32);
p->header.handle = 0x2000;
memset(p->reserved, 0, 6);
- p->boot_status = 0; /* no errors detected */
+ set_field_with_default(32, boot_status, 0); /* no errors detected */
start += sizeof(struct smbios_type_32);
*((u16 *)start) = 0;
/* Type 127 -- End of Table */
static void *
-smbios_type_127_init(void *start)
+smbios_init_type_127(void *start)
{
struct smbios_type_127 *p = (struct smbios_type_127 *)start;
return start + 2;
}
+#define TEMPSMBIOSSIZE (32 * 1024)
+
void
smbios_init(void)
{
- unsigned cpu_num, nr_structs = 0, max_struct_size = 0;
- char *start, *p, *q;
- int memsize = GET_EBDA(ram_size) / (1024 * 1024);
-
- bios_table_cur_addr = ALIGN(bios_table_cur_addr, 16);
- start = (void *)(bios_table_cur_addr);
-
- p = (char *)start + sizeof(struct smbios_entry_point);
+ if (! CONFIG_SMBIOS)
+ return;
-#define add_struct(fn) { \
- q = (fn); \
- nr_structs++; \
- if ((q - p) > max_struct_size) \
- max_struct_size = q - p; \
- p = q; \
-}
+ dprintf(3, "init SMBIOS tables\n");
- add_struct(smbios_type_0_init(p));
- add_struct(smbios_type_1_init(p));
- add_struct(smbios_type_3_init(p));
- int smp_cpus = smp_probe();
- for (cpu_num = 1; cpu_num <= smp_cpus; cpu_num++)
- add_struct(smbios_type_4_init(p, cpu_num));
- add_struct(smbios_type_16_init(p, memsize));
- add_struct(smbios_type_17_init(p, memsize));
- add_struct(smbios_type_19_init(p, memsize));
- add_struct(smbios_type_20_init(p, memsize));
- add_struct(smbios_type_32_init(p));
- add_struct(smbios_type_127_init(p));
+ char *start = malloc_tmphigh(TEMPSMBIOSSIZE);
+ if (! start) {
+ warn_noalloc();
+ return;
+ }
+
+ u32 nr_structs = 0, max_struct_size = 0;
+ char *q, *p = start;
+ char *end = start + TEMPSMBIOSSIZE - sizeof(struct smbios_type_127);
+
+#define add_struct(type, args...) \
+ do { \
+ if (!qemu_cfg_smbios_load_external(type, &p, &nr_structs, \
+ &max_struct_size, end)) { \
+ q = smbios_init_type_##type(args); \
+ nr_structs++; \
+ if ((q - p) > max_struct_size) \
+ max_struct_size = q - p; \
+ p = q; \
+ } \
+ } while (0)
+
+ add_struct(0, p);
+ add_struct(1, p);
+ add_struct(3, p);
+
+ int cpu_num;
+ for (cpu_num = 1; cpu_num <= MaxCountCPUs; cpu_num++)
+ add_struct(4, p, cpu_num);
+
+ int ram_mb = (RamSize + RamSizeOver4G) >> 20;
+ int nr_mem_devs = (ram_mb + 0x3fff) >> 14;
+ add_struct(16, p, ram_mb, nr_mem_devs);
+
+ int i, j;
+ for (i = 0; i < nr_mem_devs; i++) {
+ u32 dev_mb = ((i == (nr_mem_devs - 1))
+ ? (((ram_mb - 1) & 0x3fff) + 1)
+ : 16384);
+ add_struct(17, p, dev_mb, i);
+ }
+
+ add_struct(19, p, 0, RamSize >> 20, 0);
+ if (RamSizeOver4G)
+ add_struct(19, p, 4096, RamSizeOver4G >> 20, 1);
+
+ add_struct(20, p, 0, RamSize >> 20, 0, 0, 0);
+ if (RamSizeOver4G) {
+ u32 start_mb = 4096;
+ for (j = 1, i = 0; i < nr_mem_devs; i++, j++) {
+ u32 dev_mb = ((i == (nr_mem_devs - 1))
+ ? (((ram_mb - 1) & 0x3fff) + 1)
+ : 16384);
+ if (i == 0)
+ dev_mb -= RamSize >> 20;
+
+ add_struct(20, p, start_mb, dev_mb, j, i, 1);
+ start_mb += dev_mb;
+ }
+ }
+
+ add_struct(32, p);
+ /* Add any remaining provided entries before the end marker */
+ for (i = 0; i < 256; i++)
+ qemu_cfg_smbios_load_external(i, &p, &nr_structs, &max_struct_size,
+ end);
+ add_struct(127, p);
#undef add_struct
- smbios_entry_point_init(
- start, max_struct_size,
- (p - (char *)start) - sizeof(struct smbios_entry_point),
- (u32)(start + sizeof(struct smbios_entry_point)),
- nr_structs);
-
- bios_table_cur_addr += (p - (char *)start);
-
- dprintf(1, "SMBIOS table addr=0x%08lx\n", (unsigned long)start);
+ smbios_entry_point_init(max_struct_size, p - start, start, nr_structs);
+ free(start);
}
projects / seabios.git / blobdiff