static int get_cpuid(void) {
unsigned long id = nb_Read(0x90);
switch (id)
{
case 0x31504D44L: //"DMP1"
return CPU_VORTEX86SX;
case 0x32504D44L: //"DMP2"
{
unsigned char nbrv = nb_Read8(0x08);
unsigned char sbrv = sb_Read8(0x08);
unsigned long ide = pci_In32(VX86_pciDev[VX86_IDE], 0x00);
if ((nbrv == 1) && (sbrv == 1) && (ide == 0x101017f3L)) return CPU_VORTEX86DX_A; // Vortex86DX ver. A
if ((nbrv == 1) && (sbrv == 2) && (ide != 0x101017f3L)) return CPU_VORTEX86DX_C; // Vortex86DX ver. C (PBA/PBB)
if ((nbrv == 2) && (sbrv == 2) && (ide != 0x101017f3L)) return CPU_VORTEX86DX_D; // Vortex86DX ver. D
return CPU_VORTEX86DX_UNKNOWN;
}
case 0x33504D44L: //"DMP3"
return CPU_VORTEX86MX;
case 0x35504D44L: //"DMP5"
return CPU_VORTEX86MX_PLUS;
case 0x34504D44L: //"DMP4"
return CPU_VORTEX86DX2;
case 0x36504D44L:
return CPU_VORTEX86DX3;
case 0x37504D44L:
return CPU_VORTEX86EX;
}
return CPU_UNSUPPORTED;
}
static void write_cmos(unsigned char address, unsigned char buf)
{
if(address >= EEPROMSIZE_BANK0) // 0~199
return ;
#if (defined(DMP_DOS_BC) || defined(DMP_DOS_DJGPP) || defined(DMP_DOS_WATCOM))
io_DisableINT();
#elif defined (DMP_LINUX)
lockCMOS();
#endif
void *pciDev = NULL;
pciDev = pci_Alloc(0x00, 0x07, 0x00);
if(pciDev == NULL)
{
#if (defined(DMP_DOS_BC) || defined(DMP_DOS_DJGPP) || defined(DMP_DOS_WATCOM))
Serial.print("CMOS device doesn't exist\n");
#elif (defined(DMP_LINUX))
printf("CMOS device doesn't exist\n");
#endif
return;
}
unsigned long int reg;
reg = pci_In32(pciDev, 0xc0);
if(address == 20 || address == 22) //special case
{
//Set bit 3 to access high 128 bytes RTC SRAM
pci_Out32(pciDev, 0xc0, reg | 0x00000008);
address = (address == 20)? 26:27;
io_outpb(0x70, address);
}
else if(address < 100) // 0~99 low page
{
//clear bit 3 to access low 128 bytes RTC SRAM
pci_Out32(pciDev, 0xc0, reg & 0xfffffff7);
io_outpb(0x70, address + 28);
}
else// 100~199 high page
{
//Set bit 3 to access high 128 bytes RTC SRAM
pci_Out32(pciDev, 0xc0, reg | 0x00000008);
address -= 100;
io_outpb(0x70, address + 28);
}
io_outpb(0x71, buf);
// Restore old register value
pci_Out32(pciDev, 0xc0, reg);
pci_Free(pciDev);
#if (defined(DMP_DOS_BC) || defined(DMP_DOS_DJGPP) || defined(DMP_DOS_WATCOM))
io_RestoreINT();
#elif defined (DMP_LINUX)
unLockCMOS();
#endif
}
DMPAPI(unsigned long) vx86_NBSB_Read(int fun, unsigned char offset) {
if (VX86_pciDev[VX86_NB + fun] == NULL) return 0xffffffffL;
return pci_In32(VX86_pciDev[VX86_NB + fun], offset);
}
