void Solve()
{
answer = false;
for(int i = 0; i < 8; i++)
{
current[0] = i;
used1[i] = true;
for(int j = i + 1; j < 8; j++)
{
current[1] = j;
used1[j] = true;
for(int k = j + 1; k < 8; k++)
{
current[2] = k;
used1[k] = true;
for(int m = k + 1; m < 8; m++)
{
current[3] = m;
used1[m] = true;
if(Check())
{
int next = 0;
for(int tt = 0; tt < 8; tt++)
{
if(!used1[tt])
{
current2[next] = tt;
next++;
if(next == 4)
break;
}
}
if(Check2())
{
answer = true;
return;
}
}
current[3] = -1;
used1[m] = false;
}
current[2] = -1;
used1[k] = false;
}
current[1] = -1;
used1[j] = false;
}
current[0] = -1;
used1[i] = false;
}
}
void HW::ACPI::RSDP :: Locate ()
{
uint32_t Error;
if ( TableFound )
return;
MM::Paging::AddressSpace :: RetrieveKernelAddressSpace () -> Alloc ( 0x1000, reinterpret_cast <void **> ( & Table ), & Error );
if ( Error != MM::Paging::AddressSpace :: kAlloc_Error_None )
{
return;
}
TablePhysical = kEBDA_PotentialStart;
while ( TablePhysical < kEBDA_End )
{
Table = reinterpret_cast <RSDPTable *> ( ( reinterpret_cast <uint32_t> ( Table ) & 0xFFFFF000 ) + ( TablePhysical & 0x00000FFF ) );
Table2 = reinterpret_cast <RSDPTable2 *> ( Table );
MM::Paging::PageTable :: SetKernelMapping ( reinterpret_cast <uint32_t> ( Table ), TablePhysical, MM::Paging::PageTable :: Flags_Present | MM::Paging::PageTable :: Flags_Writeable );
if ( Check1 ( Table ) )
{
if ( Table -> Revision != kACPI_Revision_1 )
{
if ( Check2 ( Table2 ) )
{
HW::ACPI::RSDP :: Revision = kACPI_Revision_2;
TableFound = true;
return;
}
}
else
{
HW::ACPI::RSDP :: Revision = kACPI_Revision_1;
TableFound = true;
return;
}
}
TablePhysical += 0x10;
}
TablePhysical = kHighBIOS_Start;
while ( TablePhysical < kHighBIOS_End )
{
Table = reinterpret_cast <RSDPTable *> ( ( reinterpret_cast <uint32_t> ( Table ) & 0xFFFFF000 ) + ( TablePhysical & 0x00000FFF ) );
Table2 = reinterpret_cast <RSDPTable2 *> ( Table );
MM::Paging::PageTable :: SetKernelMapping ( reinterpret_cast <uint32_t> ( Table ), TablePhysical, MM::Paging::PageTable :: Flags_Present | MM::Paging::PageTable :: Flags_Writeable );
if ( Check1 ( Table ) )
{
if ( Table -> Revision != kACPI_Revision_1 )
{
if ( Check2 ( Table2 ) )
{
HW::ACPI::RSDP :: Revision = kACPI_Revision_2;
TableFound = true;
return;
}
}
else
{
HW::ACPI::RSDP :: Revision = kACPI_Revision_1;
TableFound = true;
return;
}
}
TablePhysical += 0x10;
}
MM::Paging::PageTable :: ClearKernelMapping ( reinterpret_cast <uint32_t> ( Table ) );
MM::Paging::AddressSpace :: RetrieveKernelAddressSpace () -> Free ( reinterpret_cast <void *> ( Table ), & Error );
Revision = 0;
Table = NULL;
Table2 = NULL;
};
