![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to smbios.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Qemu by Fabrice Bellard] / qemu / roms / seabios / src|
Return to smbios.c CVS log | Up to [Qemu by Fabrice Bellard] / qemu / roms / seabios / src |
1.1 root 1: // smbios table generation (on emulators)
2: //
3: // Copyright (C) 2008,2009 Kevin O'Connor <[email protected]>
4: // Copyright (C) 2006 Fabrice Bellard
5: //
6: // This file may be distributed under the terms of the GNU LGPLv3 license.
7:
8: #include "util.h" // dprintf
9: #include "biosvar.h" // GET_EBDA
10: #include "paravirt.h" // qemu_cfg_smbios_load_field
11: #include "smbios.h" // struct smbios_entry_point
12:
1.1.1.5 ! root 13: struct smbios_entry_point *SMBiosAddr;
! 14:
1.1 root 15: static void
16: smbios_entry_point_init(u16 max_structure_size,
17: u16 structure_table_length,
18: void *structure_table_address,
19: u16 number_of_structures)
20: {
21: struct smbios_entry_point *ep = malloc_fseg(sizeof(*ep));
1.1.1.4 root 22: void *finaltable;
23: if (structure_table_length <= BUILD_MAX_SMBIOS_FSEG)
24: // Table is small enough for f-seg - allocate there. This
25: // works around a bug in JunOS (at least for small SMBIOS tables).
26: finaltable = malloc_fseg(structure_table_length);
27: else
28: finaltable = malloc_high(structure_table_length);
1.1.1.2 root 29: if (!ep || !finaltable) {
1.1.1.3 root 30: warn_noalloc();
1.1.1.2 root 31: free(ep);
32: free(finaltable);
1.1 root 33: return;
34: }
1.1.1.2 root 35: memcpy(finaltable, structure_table_address, structure_table_length);
1.1 root 36:
37: memcpy(ep->anchor_string, "_SM_", 4);
38: ep->length = 0x1f;
39: ep->smbios_major_version = 2;
40: ep->smbios_minor_version = 4;
41: ep->max_structure_size = max_structure_size;
42: ep->entry_point_revision = 0;
43: memset(ep->formatted_area, 0, 5);
44: memcpy(ep->intermediate_anchor_string, "_DMI_", 5);
45:
46: ep->structure_table_length = structure_table_length;
1.1.1.2 root 47: ep->structure_table_address = (u32)finaltable;
1.1 root 48: ep->number_of_structures = number_of_structures;
49: ep->smbios_bcd_revision = 0x24;
50:
51: ep->checksum -= checksum(ep, 0x10);
52:
53: ep->intermediate_checksum -= checksum((void*)ep + 0x10, ep->length - 0x10);
54:
1.1.1.5 ! root 55: SMBiosAddr = ep;
1.1.1.4 root 56: dprintf(1, "SMBIOS ptr=%p table=%p size=%d\n"
57: , ep, finaltable, structure_table_length);
1.1 root 58: }
59:
60: #define load_str_field_with_default(type, field, def) \
61: do { \
62: size = qemu_cfg_smbios_load_field(type, \
63: offsetof(struct smbios_type_##type, \
64: field), end); \
65: if (size > 0) { \
66: end += size; \
67: } else { \
68: memcpy(end, def, sizeof(def)); \
69: end += sizeof(def); \
70: } \
71: p->field = ++str_index; \
72: } while (0)
73:
1.1.1.3 root 74: #define load_str_field_or_skip(type, field) \
1.1 root 75: do { \
76: size = qemu_cfg_smbios_load_field(type, \
77: offsetof(struct smbios_type_##type, \
78: field), end); \
79: if (size > 0) { \
80: end += size; \
81: p->field = ++str_index; \
82: } else { \
83: p->field = 0; \
84: } \
85: } while (0)
86:
1.1.1.3 root 87: #define set_field_with_default(type, field, def) \
88: do { \
89: if (!qemu_cfg_smbios_load_field(type, \
90: offsetof(struct smbios_type_##type, \
91: field), &p->field)) { \
92: p->field = def; \
93: } \
94: } while (0)
95:
1.1 root 96: /* Type 0 -- BIOS Information */
97: #define RELEASE_DATE_STR "01/01/2007"
98: static void *
99: smbios_init_type_0(void *start)
100: {
101: struct smbios_type_0 *p = (struct smbios_type_0 *)start;
102: char *end = (char *)start + sizeof(struct smbios_type_0);
103: size_t size;
104: int str_index = 0;
105:
106: p->header.type = 0;
107: p->header.length = sizeof(struct smbios_type_0);
108: p->header.handle = 0;
109:
110: load_str_field_with_default(0, vendor_str, CONFIG_APPNAME);
111: load_str_field_with_default(0, bios_version_str, CONFIG_APPNAME);
112:
113: p->bios_starting_address_segment = 0xe800;
114:
115: load_str_field_with_default(0, bios_release_date_str, RELEASE_DATE_STR);
116:
117: p->bios_rom_size = 0; /* FIXME */
118:
119: if (!qemu_cfg_smbios_load_field(0, offsetof(struct smbios_type_0,
1.1.1.3 root 120: bios_characteristics),
121: &p->bios_characteristics)) {
122: memset(p->bios_characteristics, 0, 8);
123: /* BIOS characteristics not supported */
124: p->bios_characteristics[0] = 0x08;
125: }
1.1 root 126:
127: if (!qemu_cfg_smbios_load_field(0, offsetof(struct smbios_type_0,
1.1.1.3 root 128: bios_characteristics_extension_bytes),
129: &p->bios_characteristics_extension_bytes)) {
130: p->bios_characteristics_extension_bytes[0] = 0;
131: /* Enable targeted content distribution. Needed for SVVP */
132: p->bios_characteristics_extension_bytes[1] = 4;
133: }
1.1 root 134:
1.1.1.3 root 135: set_field_with_default(0, system_bios_major_release, 1);
136: set_field_with_default(0, system_bios_minor_release, 0);
137: set_field_with_default(0, embedded_controller_major_release, 0xff);
138: set_field_with_default(0, embedded_controller_minor_release, 0xff);
1.1 root 139:
140: *end = 0;
141: end++;
142:
143: return end;
144: }
145:
146: /* Type 1 -- System Information */
147: static void *
148: smbios_init_type_1(void *start)
149: {
150: struct smbios_type_1 *p = (struct smbios_type_1 *)start;
151: char *end = (char *)start + sizeof(struct smbios_type_1);
152: size_t size;
153: int str_index = 0;
154:
155: p->header.type = 1;
156: p->header.length = sizeof(struct smbios_type_1);
157: p->header.handle = 0x100;
158:
159: load_str_field_with_default(1, manufacturer_str, CONFIG_APPNAME);
160: load_str_field_with_default(1, product_name_str, CONFIG_APPNAME);
161: load_str_field_or_skip(1, version_str);
162: load_str_field_or_skip(1, serial_number_str);
163:
1.1.1.3 root 164: if (!qemu_cfg_smbios_load_field(1, offsetof(struct smbios_type_1,
165: uuid), &p->uuid)) {
1.1 root 166: memset(p->uuid, 0, 16);
1.1.1.3 root 167: }
1.1 root 168:
1.1.1.3 root 169: set_field_with_default(1, wake_up_type, 0x06); /* power switch */
1.1 root 170:
171: load_str_field_or_skip(1, sku_number_str);
172: load_str_field_or_skip(1, family_str);
173:
174: *end = 0;
175: end++;
176: if (!str_index) {
177: *end = 0;
178: end++;
179: }
180:
181: return end;
182: }
183:
184: /* Type 3 -- System Enclosure */
185: static void *
186: smbios_init_type_3(void *start)
187: {
188: struct smbios_type_3 *p = (struct smbios_type_3 *)start;
1.1.1.3 root 189: char *end = (char *)start + sizeof(struct smbios_type_3);
190: size_t size;
191: int str_index = 0;
1.1 root 192:
193: p->header.type = 3;
194: p->header.length = sizeof(struct smbios_type_3);
195: p->header.handle = 0x300;
196:
1.1.1.3 root 197: load_str_field_with_default(3, manufacturer_str, CONFIG_APPNAME);
198: set_field_with_default(3, type, 0x01); /* other */
199:
200: load_str_field_or_skip(3, version_str);
201: load_str_field_or_skip(3, serial_number_str);
202: load_str_field_or_skip(3, asset_tag_number_str);
203:
204: set_field_with_default(3, boot_up_state, 0x03); /* safe */
205: set_field_with_default(3, power_supply_state, 0x03); /* safe */
206: set_field_with_default(3, thermal_state, 0x03); /* safe */
207: set_field_with_default(3, security_status, 0x02); /* unknown */
208:
209: set_field_with_default(3, oem_defined, 0);
210: set_field_with_default(3, height, 0);
211: set_field_with_default(3, number_of_power_cords, 0);
212: set_field_with_default(3, contained_element_count, 0);
1.1 root 213:
1.1.1.3 root 214: *end = 0;
215: end++;
216: if (!str_index) {
217: *end = 0;
218: end++;
219: }
1.1 root 220:
1.1.1.3 root 221: return end;
1.1 root 222: }
223:
224: /* Type 4 -- Processor Information */
225: static void *
226: smbios_init_type_4(void *start, unsigned int cpu_number)
227: {
228: struct smbios_type_4 *p = (struct smbios_type_4 *)start;
1.1.1.3 root 229: char *end = (char *)start + sizeof(struct smbios_type_4);
230: size_t size;
231: int str_index = 0;
232: char name[1024];
1.1 root 233:
234: p->header.type = 4;
235: p->header.length = sizeof(struct smbios_type_4);
236: p->header.handle = 0x400 + cpu_number;
237:
1.1.1.3 root 238: size = qemu_cfg_smbios_load_field(4, offsetof(struct smbios_type_4,
239: socket_designation_str),
240: name);
241: if (size)
242: snprintf(name + size - 1, sizeof(name) - size, "%2x", cpu_number);
243: else
244: snprintf(name, sizeof(name), "CPU%2x", cpu_number);
1.1 root 245:
1.1.1.3 root 246: memcpy(end, name, strlen(name) + 1);
247: end += strlen(name) + 1;
248: p->socket_designation_str = ++str_index;
249:
250: set_field_with_default(4, processor_type, 0x03); /* CPU */
251: set_field_with_default(4, processor_family, 0x01); /* other */
252:
253: load_str_field_with_default(4, processor_manufacturer_str, CONFIG_APPNAME);
254:
255: if (!qemu_cfg_smbios_load_field(4, offsetof(struct smbios_type_4,
256: processor_id), p->processor_id)) {
257: u32 cpuid_signature, ebx, ecx, cpuid_features;
258: cpuid(1, &cpuid_signature, &ebx, &ecx, &cpuid_features);
259: p->processor_id[0] = cpuid_signature;
260: p->processor_id[1] = cpuid_features;
261: }
1.1 root 262:
1.1.1.3 root 263: load_str_field_or_skip(4, processor_version_str);
264: set_field_with_default(4, voltage, 0);
265: set_field_with_default(4, external_clock, 0);
266:
267: set_field_with_default(4, max_speed, 2000);
268: set_field_with_default(4, current_speed, 2000);
269:
270: set_field_with_default(4, status, 0x41); /* socket populated, CPU enabled */
271: set_field_with_default(4, processor_upgrade, 0x01); /* other */
272:
273: /* cache information structure not provided */
274: p->l1_cache_handle = 0xffff;
275: p->l2_cache_handle = 0xffff;
276: p->l3_cache_handle = 0xffff;
1.1 root 277:
1.1.1.3 root 278: *end = 0;
279: end++;
280: if (!str_index) {
281: *end = 0;
282: end++;
283: }
1.1 root 284:
1.1.1.3 root 285: return end;
1.1 root 286: }
287:
288: /* Type 16 -- Physical Memory Array */
289: static void *
290: smbios_init_type_16(void *start, u32 memory_size_mb, int nr_mem_devs)
291: {
292: struct smbios_type_16 *p = (struct smbios_type_16*)start;
293:
294: p->header.type = 16;
295: p->header.length = sizeof(struct smbios_type_16);
296: p->header.handle = 0x1000;
297:
1.1.1.3 root 298: set_field_with_default(16, location, 0x01); /* other */
299: set_field_with_default(16, use, 0x03); /* system memory */
300: /* Multi-bit ECC to make Microsoft happy */
301: set_field_with_default(16, error_correction, 0x06);
302: /* 0x80000000 = unknown, accept sizes < 2TB - TODO multiple arrays */
303: p->maximum_capacity = memory_size_mb < 2 << 20 ?
304: memory_size_mb << 10 : 0x80000000;
1.1 root 305: p->memory_error_information_handle = 0xfffe; /* none provided */
306: p->number_of_memory_devices = nr_mem_devs;
307:
308: start += sizeof(struct smbios_type_16);
309: *((u16 *)start) = 0;
310:
311: return start + 2;
312: }
313:
314: /* Type 17 -- Memory Device */
315: static void *
1.1.1.3 root 316: smbios_init_type_17(void *start, u32 size_mb, int instance)
1.1 root 317: {
318: struct smbios_type_17 *p = (struct smbios_type_17 *)start;
1.1.1.3 root 319: char *end = (char *)start + sizeof(struct smbios_type_17);
320: size_t size;
321: int str_index = 0;
322: char name[1024];
1.1 root 323:
324: p->header.type = 17;
325: p->header.length = sizeof(struct smbios_type_17);
326: p->header.handle = 0x1100 + instance;
327:
328: p->physical_memory_array_handle = 0x1000;
1.1.1.3 root 329: set_field_with_default(17, total_width, 64);
330: set_field_with_default(17, data_width, 64);
1.1 root 331: /* TODO: should assert in case something is wrong ASSERT((memory_size_mb & ~0x7fff) == 0); */
1.1.1.3 root 332: p->size = size_mb;
333: set_field_with_default(17, form_factor, 0x09); /* DIMM */
1.1 root 334: p->device_set = 0;
335:
1.1.1.3 root 336: size = qemu_cfg_smbios_load_field(17, offsetof(struct smbios_type_17,
337: device_locator_str),
338: name);
339: if (size)
340: snprintf(name + size - 1, sizeof(name) - size, "%d", instance);
341: else
342: snprintf(name, sizeof(name), "DIMM %d", instance);
343:
344: memcpy(end, name, strlen(name) + 1);
345: end += strlen(name) + 1;
346: p->device_locator_str = ++str_index;
347:
348: load_str_field_or_skip(17, bank_locator_str);
349: set_field_with_default(17, memory_type, 0x07); /* RAM */
350: set_field_with_default(17, type_detail, 0);
351:
352: *end = 0;
353: end++;
354: if (!str_index) {
355: *end = 0;
356: end++;
357: }
358:
359: return end;
1.1 root 360: }
361:
362: /* Type 19 -- Memory Array Mapped Address */
363: static void *
1.1.1.3 root 364: smbios_init_type_19(void *start, u32 start_mb, u32 size_mb, int instance)
1.1 root 365: {
366: struct smbios_type_19 *p = (struct smbios_type_19 *)start;
367:
368: p->header.type = 19;
369: p->header.length = sizeof(struct smbios_type_19);
370: p->header.handle = 0x1300 + instance;
371:
1.1.1.3 root 372: p->starting_address = start_mb << 10;
373: p->ending_address = p->starting_address + (size_mb << 10) - 1;
1.1 root 374: p->memory_array_handle = 0x1000;
375: p->partition_width = 1;
376:
377: start += sizeof(struct smbios_type_19);
378: *((u16 *)start) = 0;
379:
380: return start + 2;
381: }
382:
383: /* Type 20 -- Memory Device Mapped Address */
384: static void *
1.1.1.3 root 385: smbios_init_type_20(void *start, u32 start_mb, u32 size_mb, int instance,
386: int dev_handle, int array_handle)
1.1 root 387: {
388: struct smbios_type_20 *p = (struct smbios_type_20 *)start;
389:
390: p->header.type = 20;
391: p->header.length = sizeof(struct smbios_type_20);
392: p->header.handle = 0x1400 + instance;
393:
1.1.1.3 root 394: p->starting_address = start_mb << 10;
395: p->ending_address = p->starting_address + (size_mb << 10) - 1;
396: p->memory_device_handle = 0x1100 + dev_handle;
397: p->memory_array_mapped_address_handle = 0x1300 + array_handle;
1.1 root 398: p->partition_row_position = 1;
399: p->interleave_position = 0;
400: p->interleaved_data_depth = 0;
401:
402: start += sizeof(struct smbios_type_20);
403:
404: *((u16 *)start) = 0;
405: return start+2;
406: }
407:
408: /* Type 32 -- System Boot Information */
409: static void *
410: smbios_init_type_32(void *start)
411: {
412: struct smbios_type_32 *p = (struct smbios_type_32 *)start;
413:
414: p->header.type = 32;
415: p->header.length = sizeof(struct smbios_type_32);
416: p->header.handle = 0x2000;
417: memset(p->reserved, 0, 6);
1.1.1.3 root 418: set_field_with_default(32, boot_status, 0); /* no errors detected */
1.1 root 419:
420: start += sizeof(struct smbios_type_32);
421: *((u16 *)start) = 0;
422:
423: return start+2;
424: }
425:
426: /* Type 127 -- End of Table */
427: static void *
428: smbios_init_type_127(void *start)
429: {
430: struct smbios_type_127 *p = (struct smbios_type_127 *)start;
431:
432: p->header.type = 127;
433: p->header.length = sizeof(struct smbios_type_127);
434: p->header.handle = 0x7f00;
435:
436: start += sizeof(struct smbios_type_127);
437: *((u16 *)start) = 0;
438:
439: return start + 2;
440: }
441:
1.1.1.2 root 442: #define TEMPSMBIOSSIZE (32 * 1024)
443:
1.1 root 444: void
445: smbios_init(void)
446: {
447: if (! CONFIG_SMBIOS)
448: return;
449:
450: dprintf(3, "init SMBIOS tables\n");
451:
1.1.1.2 root 452: char *start = malloc_tmphigh(TEMPSMBIOSSIZE);
1.1 root 453: if (! start) {
1.1.1.3 root 454: warn_noalloc();
1.1 root 455: return;
456: }
457:
458: u32 nr_structs = 0, max_struct_size = 0;
1.1.1.2 root 459: char *q, *p = start;
460: char *end = start + TEMPSMBIOSSIZE - sizeof(struct smbios_type_127);
1.1 root 461:
462: #define add_struct(type, args...) \
463: do { \
464: if (!qemu_cfg_smbios_load_external(type, &p, &nr_structs, \
465: &max_struct_size, end)) { \
466: q = smbios_init_type_##type(args); \
467: nr_structs++; \
468: if ((q - p) > max_struct_size) \
469: max_struct_size = q - p; \
470: p = q; \
471: } \
472: } while (0)
473:
474: add_struct(0, p);
475: add_struct(1, p);
476: add_struct(3, p);
477:
478: int cpu_num;
479: for (cpu_num = 1; cpu_num <= MaxCountCPUs; cpu_num++)
480: add_struct(4, p, cpu_num);
1.1.1.3 root 481:
482: int ram_mb = (RamSize + RamSizeOver4G) >> 20;
483: int nr_mem_devs = (ram_mb + 0x3fff) >> 14;
484: add_struct(16, p, ram_mb, nr_mem_devs);
485:
486: int i, j;
1.1 root 487: for (i = 0; i < nr_mem_devs; i++) {
1.1.1.3 root 488: u32 dev_mb = ((i == (nr_mem_devs - 1))
489: ? (((ram_mb - 1) & 0x3fff) + 1)
490: : 16384);
491: add_struct(17, p, dev_mb, i);
492: }
493:
494: add_struct(19, p, 0, RamSize >> 20, 0);
495: if (RamSizeOver4G)
496: add_struct(19, p, 4096, RamSizeOver4G >> 20, 1);
497:
498: add_struct(20, p, 0, RamSize >> 20, 0, 0, 0);
499: if (RamSizeOver4G) {
500: u32 start_mb = 4096;
501: for (j = 1, i = 0; i < nr_mem_devs; i++, j++) {
502: u32 dev_mb = ((i == (nr_mem_devs - 1))
503: ? (((ram_mb - 1) & 0x3fff) + 1)
504: : 16384);
505: if (i == 0)
506: dev_mb -= RamSize >> 20;
507:
508: add_struct(20, p, start_mb, dev_mb, j, i, 1);
509: start_mb += dev_mb;
510: }
1.1 root 511: }
512:
513: add_struct(32, p);
514: /* Add any remaining provided entries before the end marker */
515: for (i = 0; i < 256; i++)
516: qemu_cfg_smbios_load_external(i, &p, &nr_structs, &max_struct_size,
517: end);
518: add_struct(127, p);
519:
520: #undef add_struct
521:
522: smbios_entry_point_init(max_struct_size, p - start, start, nr_structs);
1.1.1.2 root 523: free(start);
1.1 root 524: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.