// 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 LGPLv3 license.
#include "util.h" // dprintf
-#include "memmap.h" // bios_table_cur_addr
#include "biosvar.h" // GET_EBDA
-
-
-/****************************************************************
- * UUID probe
- ****************************************************************/
-
-#define QEMU_CFG_SIGNATURE 0x00
-#define QEMU_CFG_ID 0x01
-#define QEMU_CFG_UUID 0x02
-
-static void
-qemu_cfg_read(u8 *buf, u16 f, int len)
-{
- outw(f, PORT_QEMU_CFG_CTL);
- while (len--)
- *(buf++) = inb(PORT_QEMU_CFG_DATA);
-}
-
-static int
-qemu_cfg_port_probe()
-{
- u8 sig[4] = "QEMU";
- u8 buf[4];
- qemu_cfg_read(buf, QEMU_CFG_SIGNATURE, 4);
- return *(u32*)buf == *(u32*)sig;
-}
-
-static void
-uuid_probe(u8 *bios_uuid)
-{
- // Default to UUID not set
- memset(bios_uuid, 0, 16);
-
- if (! CONFIG_UUID_BACKDOOR)
- return;
- if (CONFIG_COREBOOT)
- return;
- if (! qemu_cfg_port_probe())
- // Feature not available
- return;
-
- qemu_cfg_read(bios_uuid, QEMU_CFG_UUID, 16);
-}
-
+#include "paravirt.h"
/****************************************************************
* smbios tables
****************************************************************/
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));
+ if (! ep) {
+ dprintf(1, "No space for smbios entry table!\n");
+ return;
+ }
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)structure_table_address;
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);
+ dprintf(1, "SMBIOS ptr=%p table=%p\n", ep, structure_table_address);
}
+#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)
+
/* 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;
+ load_str_field_with_default(0, vendor_str, CONFIG_APPNAME);
+ load_str_field_with_default(0, bios_version_str, CONFIG_APPNAME);
+
p->bios_starting_address_segment = 0xe800;
- p->bios_release_date_str = 2;
+
+ load_str_field_with_default(0, bios_release_date_str, RELEASE_DATE_STR);
+
p->bios_rom_size = 0; /* FIXME */
- memset(p->bios_characteristics, 0, sizeof(p->bios_characteristics));
+ memset(p->bios_characteristics, 0, 8);
p->bios_characteristics[0] = 0x08; /* BIOS characteristics not supported */
p->bios_characteristics_extension_bytes[0] = 0;
p->bios_characteristics_extension_bytes[1] = 0;
- p->system_bios_major_release = 1;
- p->system_bios_minor_release = 0;
+ if (!qemu_cfg_smbios_load_field(0, offsetof(struct smbios_type_0,
+ system_bios_major_release),
+ &p->system_bios_major_release))
+ p->system_bios_major_release = 1;
+
+ if (!qemu_cfg_smbios_load_field(0, offsetof(struct smbios_type_0,
+ system_bios_minor_release),
+ &p->system_bios_minor_release))
+ p->system_bios_minor_release = 0;
+
p->embedded_controller_major_release = 0xff;
p->embedded_controller_minor_release = 0xff;
- 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;
+ *end = 0;
+ end++;
- return start+1;
+ 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_or_skip(1, manufacturer_str);
+ load_str_field_or_skip(1, product_name_str);
+ load_str_field_or_skip(1, version_str);
+ load_str_field_or_skip(1, serial_number_str);
- uuid_probe(p->uuid);
+ size = qemu_cfg_smbios_load_field(1, offsetof(struct smbios_type_1,
+ uuid), &p->uuid);
+ if (size == 0)
+ memset(p->uuid, 0, 16);
p->wake_up_type = 0x06; /* power switch */
- p->sku_number_str = 0;
- p->family_str = 0;
- 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;
/* 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;
/* Type 16 -- Physical Memory Array */
static void *
-smbios_type_16_init(void *start)
+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->location = 0x01; /* other */
p->use = 0x03; /* system memory */
p->error_correction = 0x01; /* other */
- u64 memsize = RamSize + RamSizeOver4G;
- p->maximum_capacity = memsize / 1024;
+ p->maximum_capacity = memory_size_mb * 1024;
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)
+smbios_init_type_17(void *start, u32 memory_size_mb, int instance)
{
struct smbios_type_17 *p = (struct smbios_type_17 *)start;
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] */
- u64 memsize = RamSize + RamSizeOver4G;
- p->size = (u16) (memsize / (1024*1024)) & 0x7fff;
+/* TODO: should assert in case something is wrong ASSERT((memory_size_mb & ~0x7fff) == 0); */
+ p->size = memory_size_mb;
p->form_factor = 0x09; /* DIMM */
p->device_set = 0;
p->device_locator_str = 1;
p->type_detail = 0;
start += sizeof(struct smbios_type_17);
- memcpy((char *)start, "DIMM 1", 7);
+ memcpy((char *)start, "DIMM 0", 7);
+ ((char*)start)[5] += instance;
start += 7;
*((u8 *)start) = 0;
/* Type 19 -- Memory Array Mapped Address */
static void *
-smbios_type_19_init(void *start)
+smbios_init_type_19(void *start, u32 memory_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;
- u64 memsize = RamSizeOver4G;
- if (memsize)
- memsize += 0x100000000ull;
- else
- memsize = RamSize;
- p->ending_address = memsize / 1024 - 1;
+ p->starting_address = instance << 24;
+ p->ending_address = p->starting_address + (memory_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)
+smbios_init_type_20(void *start, u32 memory_size_mb, int instance)
{
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;
- u64 memsize = RamSizeOver4G;
- if (memsize)
- memsize += 0x100000000ull;
- else
- memsize = RamSize;
- p->ending_address = memsize / 1024 - 1;
- p->memory_device_handle = 0x1100;
- p->memory_array_mapped_address_handle = 0x1300;
+ p->starting_address = instance << 24;
+ p->ending_address = p->starting_address + (memory_size_mb << 10) - 1;
+ p->memory_device_handle = 0x1100 + instance;
+ p->memory_array_mapped_address_handle = 0x1300 + instance;
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;
/* 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;
dprintf(3, "init SMBIOS tables\n");
- unsigned cpu_num, nr_structs = 0, max_struct_size = 0;
- char *start, *p, *q;
-
- bios_table_cur_addr = ALIGN(bios_table_cur_addr, 16);
- start = (void *)(bios_table_cur_addr);
-
- p = (char *)start + sizeof(struct smbios_entry_point);
-
-#define add_struct(fn) { \
- q = (fn); \
- nr_structs++; \
- if ((q - p) > max_struct_size) \
- max_struct_size = q - p; \
- p = q; \
-}
-
- 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));
- add_struct(smbios_type_17_init(p));
- add_struct(smbios_type_19_init(p));
- add_struct(smbios_type_20_init(p));
- add_struct(smbios_type_32_init(p));
- add_struct(smbios_type_127_init(p));
+ char *start = malloc_high(2048); // XXX - determine real size
+ if (! start) {
+ dprintf(1, "No memory for smbios tables\n");
+ return;
+ }
+
+ u32 nr_structs = 0, max_struct_size = 0;
+ char *q, *p = start, *end = start + 2048 - 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);
+ u64 memsize = RamSizeOver4G;
+ if (memsize)
+ memsize += 0x100000000ull;
+ else
+ memsize = RamSize;
+ memsize = memsize / (1024 * 1024);
+ int nr_mem_devs = (memsize + 0x3fff) >> 14;
+ add_struct(16, p, memsize, nr_mem_devs);
+ int i;
+ for (i = 0; i < nr_mem_devs; i++) {
+ u32 dev_memsize = ((i == (nr_mem_devs - 1))
+ ? (((memsize-1) & 0x3fff)+1) : 0x4000);
+ add_struct(17, p, dev_memsize, i);
+ add_struct(19, p, dev_memsize, i);
+ add_struct(20, p, dev_memsize, i);
+ }
+
+ 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);
}
projects / seabios.git / blobdiff