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Detect parallel ports.

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svn path=/trunk/; revision=9796
This commit is contained in:
Eric Kohl 2004-06-21 12:23:01 +00:00
parent 62e0fe6b5e
commit 6d403cae78
1 changed files with 131 additions and 8 deletions
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139
freeldr/freeldr/arch/i386/hardware.c
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@ -192,6 +192,7 @@ __KeStallExecutionProcessor(U32 Loops)
for (i = 0; i < Loops; i++);
}
VOID KeStallExecutionProcessor(U32 Microseconds)
{
U64 LoopCount = ((U64)delay_count * (U64)Microseconds) / 1000ULL;
@ -404,7 +405,6 @@ DetectPnpBios(HKEY SystemKey, U32 *BusNumber)
CmResourceTypeDeviceSpecific;
FullResourceDescriptor->PartialResourceList.PartialDescriptors[0].ShareDisposition =
CmResourceShareUndetermined;
// FullResourceDescriptor->PartialResourceList.PartialDescriptors[0].Flags =
Ptr = (char *)(((PVOID)&FullResourceDescriptor->PartialResourceList.PartialDescriptors[0]) +
sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
@ -430,10 +430,6 @@ DetectPnpBios(HKEY SystemKey, U32 *BusNumber)
DeviceNode->Node,
DeviceNode->Size,
DeviceNode->Size));
// printf("Node: %u Size %u (0x%x)\n",
// DeviceNode->Node,
// DeviceNode->Size,
// DeviceNode->Size);
memcpy (Ptr,
DeviceNode,
@ -1448,7 +1444,7 @@ DetectSerialPorts(HKEY BusKey)
"Identifier",
REG_SZ,
(PU8)Buffer,
5);
strlen(Buffer) + 1);
if (Error != ERROR_SUCCESS)
{
DbgPrint((DPRINT_HWDETECT,
@ -1469,6 +1465,135 @@ DetectSerialPorts(HKEY BusKey)
}
static VOID
DetectParallelPorts(HKEY BusKey)
{
PCM_FULL_RESOURCE_DESCRIPTOR FullResourceDescriptor;
PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
U32 Irq[3] = {7, 5, (U32)-1};
char Buffer[80];
HKEY ControllerKey;
PU16 BasePtr;
U32 ControllerNumber;
U32 i;
S32 Error;
U32 Size;
DbgPrint((DPRINT_HWDETECT, "DetectParallelPorts() called\n"));
ControllerNumber = 0;
BasePtr = (PU16)0x408;
for (i = 0; i < 3; i++, BasePtr++)
{
if (*BasePtr == 0)
continue;
DbgPrint((DPRINT_HWDETECT,
"Parallel port %u: %x\n",
ControllerNumber,
*BasePtr));
/* Create controller key */
sprintf(Buffer,
"ParallelController\\%u",
ControllerNumber);
Error = RegCreateKey(BusKey,
Buffer,
&ControllerKey);
if (Error != ERROR_SUCCESS)
{
DbgPrint((DPRINT_HWDETECT, "Failed to create controller key\n"));
continue;
}
DbgPrint((DPRINT_HWDETECT, "Created key: %s\n", Buffer));
/* Set 'ComponentInformation' value */
SetComponentInformation(ControllerKey,
0x78, /* FIXME */
ControllerNumber,
0xFFFFFFFF);
/* Build full device descriptor */
Size = sizeof(CM_FULL_RESOURCE_DESCRIPTOR);
if (Irq[i] != (U32)-1)
Size += sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
FullResourceDescriptor = MmAllocateMemory(Size);
if (FullResourceDescriptor == NULL)
{
DbgPrint((DPRINT_HWDETECT,
"Failed to allocate resource descriptor\n"));
continue;
}
memset(FullResourceDescriptor, 0, Size);
/* Initialize resource descriptor */
FullResourceDescriptor->InterfaceType = Isa;
FullResourceDescriptor->BusNumber = 0;
FullResourceDescriptor->PartialResourceList.Count = (Irq[i] != (U32)-1) ? 2 : 1;
/* Set IO Port */
PartialDescriptor = &FullResourceDescriptor->PartialResourceList.PartialDescriptors[0];
PartialDescriptor->Type = CmResourceTypePort;
PartialDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
PartialDescriptor->Flags = CM_RESOURCE_PORT_IO;
PartialDescriptor->u.Port.Start = (U64)*BasePtr;
PartialDescriptor->u.Port.Length = 3;
/* Set Interrupt */
if (Irq[i] != (U32)-1)
{
PartialDescriptor = &FullResourceDescriptor->PartialResourceList.PartialDescriptors[1];
PartialDescriptor->Type = CmResourceTypeInterrupt;
PartialDescriptor->ShareDisposition = CmResourceShareUndetermined;
PartialDescriptor->Flags = CM_RESOURCE_INTERRUPT_LATCHED;
PartialDescriptor->u.Interrupt.Level = Irq[i];
PartialDescriptor->u.Interrupt.Vector = Irq[i];
PartialDescriptor->u.Interrupt.Affinity = 0xFFFFFFFF;
}
/* Set 'Configuration Data' value */
Error = RegSetValue(ControllerKey,
"Configuration Data",
REG_FULL_RESOURCE_DESCRIPTOR,
(PU8) FullResourceDescriptor,
Size);
MmFreeMemory(FullResourceDescriptor);
if (Error != ERROR_SUCCESS)
{
DbgPrint((DPRINT_HWDETECT,
"RegSetValue(Configuration Data) failed (Error %u)\n",
(int)Error));
}
/* Set 'Identifier' value */
sprintf(Buffer,
"PARALLEL%u",
i + 1);
Error = RegSetValue(ControllerKey,
"Identifier",
REG_SZ,
(PU8)Buffer,
strlen(Buffer) + 1);
if (Error != ERROR_SUCCESS)
{
DbgPrint((DPRINT_HWDETECT,
"RegSetValue() failed (Error %u)\n",
(int)Error));
continue;
}
DbgPrint((DPRINT_HWDETECT,
"Created value: Identifier %s\n",
Buffer));
ControllerNumber++;
}
DbgPrint((DPRINT_HWDETECT, "DetectParallelPorts() done\n"));
}
static BOOLEAN
DetectKeyboardDevice(VOID)
{
@ -2081,9 +2206,7 @@ DetectIsaBios(HKEY SystemKey, U32 *BusNumber)
DetectSerialPorts(BusKey);
#if 0
DetectParallelPorts(BusKey);
#endif
DetectKeyboardController(BusKey);