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Automagically select computer type (UP/MP) during first stage setup

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svn path=/trunk/; revision=17929
This commit is contained in:
Hervé Poussineau 2005-09-19 08:11:43 +00:00
parent f1ee99f91a
commit 243b1fc88f
2 changed files with 134 additions and 3 deletions
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5
reactos/bootdata/txtsetup.sif
View file

@ -52,6 +52,11 @@ DefaultLayout = 00000409
pci_up = "Standard-PC"
pci_mp = "Standard-PC Multiprocessor"
[Map.Computer]
;<id> = <pnp id string>
pci_up = "PC UP"
pci_mp = "PC MP"
[Files.pci_up]
; <filename> = <directory_id>,<new name>
hal.dll = 2

132
reactos/subsys/system/usetup/settings.c
View file

@ -16,8 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id$
* COPYRIGHT: See COPYING in the top level directory
/* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS text-mode setup
* FILE: subsys/system/usetup/settings.c
* PURPOSE: Device settings support functions
@ -33,6 +32,90 @@
/* FUNCTIONS ****************************************************************/
static BOOLEAN
GetComputerIdentifier(PWSTR Identifier,
ULONG IdentifierLength)
{
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING KeyName;
LPCWSTR ComputerIdentifier;
HANDLE ProcessorsKey;
PKEY_FULL_INFORMATION pFullInfo;
ULONG Size, SizeNeeded;
NTSTATUS Status;
DPRINT("GetComputerIdentifier() called\n");
Size = sizeof(KEY_FULL_INFORMATION);
pFullInfo = (PKEY_FULL_INFORMATION)RtlAllocateHeap(RtlGetProcessHeap(), 0, Size);
if (!pFullInfo)
{
DPRINT("RtlAllocateHeap() failed\n");
return FALSE;
}
/* Open the processors key */
RtlInitUnicodeString(&KeyName,
L"\\Registry\\Machine\\HARDWARE\\DESCRIPTION\\System\\CentralProcessor");
InitializeObjectAttributes(&ObjectAttributes,
&KeyName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtOpenKey(&ProcessorsKey,
KEY_QUERY_VALUE ,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
{
DPRINT("NtOpenKey() failed (Status 0x%lx)\n", Status);
RtlFreeHeap(RtlGetProcessHeap(), 0, pFullInfo);
return FALSE;
}
/* Get number of subkeys */
Status = NtQueryKey(
ProcessorsKey,
KeyFullInformation,
pFullInfo,
Size,
&Size);
NtClose(ProcessorsKey);
if (!NT_SUCCESS(Status) && Status != STATUS_BUFFER_OVERFLOW)
{
DPRINT("NtQueryKey() failed (Status 0x%lx)\n", Status);
RtlFreeHeap(RtlGetProcessHeap(), 0, pFullInfo);
return FALSE;
}
/* Find computer identifier */
if (pFullInfo->SubKeys == 0)
{
/* Something strange happened. No processor detected */
RtlFreeHeap(RtlGetProcessHeap(), 0, pFullInfo);
return FALSE;
}
if (pFullInfo->SubKeys == 1)
{
/* Computer is mono-CPU */
ComputerIdentifier = L"PC UP";
}
else
{
/* Computer is multi-CPUs */
ComputerIdentifier = L"PC MP";
}
RtlFreeHeap(RtlGetProcessHeap(), 0, pFullInfo);
/* Copy computer identifier to return buffer */
SizeNeeded = (wcslen(ComputerIdentifier) + 1) * sizeof(WCHAR);
if (SizeNeeded > IdentifierLength)
return FALSE;
RtlCopyMemory(Identifier, ComputerIdentifier, SizeNeeded);
return TRUE;
}
PGENERIC_LIST
CreateComputerTypeList(HINF InfFile)
{
@ -42,6 +125,48 @@ CreateComputerTypeList(HINF InfFile)
PWCHAR KeyName;
PWCHAR KeyValue;
PWCHAR UserData;
WCHAR ComputerIdentifier[128];
WCHAR ComputerKey[32];
/* Get the computer identification */
if (!GetComputerIdentifier(ComputerIdentifier, 128))
{
ComputerIdentifier[0] = 0;
}
DPRINT("Computer identifier: '%S'\n", ComputerIdentifier);
/* Search for matching device identifier */
if (!InfFindFirstLine(InfFile, L"Map.Computer", NULL, &Context))
{
/* FIXME: error message */
return NULL;
}
do
{
if (!InfGetDataField(&Context, 1, &KeyValue))
{
/* FIXME: Handle error! */
DPRINT("InfGetDataField() failed\n");
return NULL;
}
DPRINT("KeyValue: %S\n", KeyValue);
if (wcsstr(ComputerIdentifier, KeyValue))
{
if (!InfGetDataField(&Context, 0, &KeyName))
{
/* FIXME: Handle error! */
DPRINT("InfGetDataField() failed\n");
return NULL;
}
DPRINT("Computer key: %S\n", KeyName);
wcscpy(ComputerKey, KeyName);
}
}
while (InfFindNextLine(&Context, &Context));
List = CreateGenericList();
if (List == NULL)
@ -73,7 +198,8 @@ CreateComputerTypeList(HINF InfFile)
wcscpy(UserData, KeyName);
sprintf(Buffer, "%S", KeyValue);
AppendGenericListEntry(List, Buffer, UserData, FALSE);
AppendGenericListEntry(List, Buffer, UserData,
_wcsicmp(KeyName, ComputerKey) ? FALSE : TRUE);
}
while (InfFindNextLine(&Context, &Context));