micetools/src/micetools/lib/mice/dmi.c

148 lines
4.8 KiB
C

#include "dmi.h"
#include <stdlib.h>
#include "config.h"
LPBYTE dmi_table = NULL;
WORD dmi_size = 0;
WORD _dmi_max = 0;
DMI_BIOS default_dmi_bios = {
.Head.Type = DmiTypeBios,
.Head.Length = 0x12,
.Head.Handle = 0x0000,
.Vendor = 0x01, // "American Megatrends Inc."
.Version = 0x02, // "080015 "
.StartSegment = 0x0000, // '00 f0'h
.ReleaseDate = 0x03, // "07/28/2011"
.ROMSize = 0x00, // 03h
.Chars = 0x1f, // '1F 90 DA 8B'h
.VerMajor = 0x08,
.VerMinor = 0x0f,
.ECVerMajor = 0xff,
.ECVerMinor = 0xff,
};
DMI_SYSTEM default_dmi_system = {
.Head.Type = DmiTypeSystem,
.Head.Length = 0x08,
.Head.Handle = 0x0001,
.Manufacturer = 0x01, // "NEC"
.ProductName = 0x02, // "To Be Filled By O.E.M."
.Version = 0x03, // "To Be Filled By O.E.M."
.Serial = 0x04, // "To Be Filled By O.E.M."
};
DMI_STRING default_dmi_string = {
.Head.Type = DmiTypeString,
.Head.Length = 0x05,
.Head.Handle = 0x0002,
.NoStrings = 0x00,
};
static void dmi_init(void) {
if (dmi_table) free(dmi_table);
_dmi_max = 0xff;
dmi_table = (LPBYTE)malloc(_dmi_max);
memset(dmi_table, 0, _dmi_max);
dmi_size = 0;
}
static void dmi_append(void* data, WORD size) {
if (!dmi_table) return;
while (dmi_size + (size + 1) >= _dmi_max) {
LPBYTE new_table = (LPBYTE)realloc(dmi_table, _dmi_max += 0xff);
if (!new_table) return;
dmi_table = new_table;
}
memcpy(dmi_table + dmi_size, data, size);
dmi_size += size;
dmi_table[dmi_size++] = 0;
dmi_table[dmi_size++] = 0;
}
static void dmi_append_with_strings(void* data, WORD size, int num_strings, ...) {
va_list args;
va_start(args, num_strings);
dmi_append(data, size);
dmi_size -= 2;
for (int i = 0; i < num_strings; i++) {
char* str = va_arg(args, char*);
WORD len = strlen(str) & 0xffff;
memcpy((char*)dmi_table + dmi_size, str, len + 1);
dmi_size += len + 1;
dmi_table[dmi_size - 1] = 0;
}
dmi_table[dmi_size++] = 0;
va_end(args);
}
// Strings are: 0, 1, Platform ID, 3, Board Type
/**
* | | Wide1 | Wide2 | Edge | Edge2 |
* | ------------ | ---------- | --------- | ---- | ----- |
* | Manufacturer | Supermicro | Advantech | NEC | NEC |
* | Platform ID | AAM | AAM | AAL | AAL |
* | Board Type | | | "" | AAL2 |
*/
#define MANUFACTURER_RINGWIDE "Supermicro"
#define MANUFACTURER_RINGEDGE "NEC"
#define MANUFACTURER_RINGEDGE2 MANUFACTURER_RINGEDGE
#define OEM_STRINGS_RINGWIDE "DAC-BJ02", "DAC-BJ02", "AAM", "Supermicro", ""
#define OEM_STRINGS_RINGEDGE "DAC-BJ02", "DAC-BJ02", "AAL", "NEC", ""
#define OEM_STRINGS_RINGEDGE2 "DAC-BJ02", "DAC-BJ02", "AAL", "Advantech", "AAL2"
void dmi_build_default() {
dmi_init();
// BIOS version
dmi_append_with_strings(&default_dmi_bios, sizeof default_dmi_bios, 3,
"American Megatrends Inc.", "080015 ", "07/28/2011");
switch (MiceConfig.sysconf.platform) {
case MICE_PLATFORM_RINGWIDE: {
dmi_append_with_strings(&default_dmi_system, sizeof default_dmi_system, 4,
MANUFACTURER_RINGWIDE, "To Be Filled By O.E.M.",
"To Be Filled By O.E.M.", "To Be Filled By O.E.M.");
default_dmi_string.NoStrings = 5;
dmi_append_with_strings(&default_dmi_string, sizeof default_dmi_string, 5,
OEM_STRINGS_RINGWIDE);
break;
}
case MICE_PLATFORM_RINGEDGE1: {
dmi_append_with_strings(&default_dmi_system, sizeof default_dmi_system, 4,
MANUFACTURER_RINGEDGE, "To Be Filled By O.E.M.",
"To Be Filled By O.E.M.", "To Be Filled By O.E.M.");
default_dmi_string.NoStrings = 5;
dmi_append_with_strings(&default_dmi_string, sizeof default_dmi_string, 5,
OEM_STRINGS_RINGEDGE);
break;
}
case MICE_PLATFORM_RINGEDGE2:
default: {
dmi_append_with_strings(&default_dmi_system, sizeof default_dmi_system, 4,
MANUFACTURER_RINGEDGE2, "To Be Filled By O.E.M.",
"To Be Filled By O.E.M.", "To Be Filled By O.E.M.");
default_dmi_string.NoStrings = 5;
dmi_append_with_strings(&default_dmi_string, sizeof default_dmi_string, 5,
OEM_STRINGS_RINGEDGE2);
break;
}
}
}
BYTE dmi_calc_checksum(const char* buf, int len) {
int sum = 0;
int a;
for (a = 0; a < len; a++) sum += buf[a];
return (BYTE)(sum == 0);
}