Leaked source code of windows server 2003
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/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
resource.c
Abstract:
WinDbg Extension Api for interpretting ACPI data structures
Author:
Stephane Plante (splante) 21-Mar-1997
Based on Code by:
Peter Wieland (peterwie) 16-Oct-1995
Environment:
User Mode.
Revision History:
--*/
#include "pch.h"
VOID
dumpPnPResources(
IN ULONG_PTR Address
)
/*++
Routine Description:
This routine processes the ACPI version of a PnP resource list given
the address that it starts at
Arguments:
Address - The Starting address
Return Value:
NULL
--*/
{
BOOL success;
PUCHAR dataBuffer = NULL;
UCHAR currentTag;
ULONG_PTR currentAddress = Address;
ULONG i;
ULONG indentLevel = 0;
ULONG returnLength;
ULONG tagCount = 0;
USHORT increment;
//
// repeat forever
//
while (1) {
//
// Allow a way to end this
//
if (CheckControlC()) {
break;
}
//
// Read the current tag
//
success = ReadMemory(
currentAddress,
&currentTag,
sizeof(UCHAR),
&returnLength
);
if (!success || returnLength != sizeof(UCHAR)) {
dprintf(
"dumpPnPResources: could not read tag at 0x%08lx\n",
currentAddress
);
return;
}
//
// Determine what we are looking at
//
if ( !(currentTag & LARGE_RESOURCE_TAG)) {
//
// We are looking at a small tag
//
increment = (USHORT) (currentTag & SMALL_TAG_SIZE_MASK) + 1;
currentTag &= SMALL_TAG_MASK;
} else {
//
// We are looking at a large Tag. We must read the length as
// the next short in memory
//
success = ReadMemory(
currentAddress + 1,
&increment,
sizeof(USHORT),
&returnLength
);
if (!success || returnLength != sizeof(USHORT)) {
dprintf(
"dumpPnPResources: could not read increment at 0x%08lx\n",
currentAddress + 1
);
break;
}
//
// Account for the increment
//
increment += 3;
}
//
// Allocate space for the buffer
//
if (increment > 1) {
dataBuffer = LocalAlloc( LPTR, increment);
if (dataBuffer == NULL) {
dprintf(
"dumpPnPResources: could not allocate 0x%x bytes\n",
(increment - 1)
);
}
//
// Read the data into the buffer
//
success = ReadMemory(
currentAddress,
dataBuffer,
increment,
&returnLength
);
if (!success || returnLength != (ULONG) increment) {
dprintf(
"dumpPnPResources: read buffer at 0x%08lx (0x%x)\n",
currentAddress,
increment
);
LocalFree( dataBuffer );
return;
}
}
//
// Indent the tag
//
for (i = 0; i < indentLevel; i++) {
dprintf("| ");
}
//
// What tag are we looking at
//
switch (currentTag) {
case TAG_IRQ: {
PPNP_IRQ_DESCRIPTOR res = (PPNP_IRQ_DESCRIPTOR) dataBuffer;
if (res) {
USHORT mask = res->IrqMask;
USHORT interrupt = 0;
dprintf("%d - TAG_IRQ -", tagCount );
for( ;mask; interrupt++, mask >>= 1) {
if (mask & 1) {
dprintf(" %d", interrupt );
}
}
if ( (res->Tag & SMALL_TAG_SIZE_MASK) == 3) {
if (res->Information & PNP_IRQ_LATCHED) {
dprintf(" Lat");
}
if (res->Information & PNP_IRQ_LEVEL) {
dprintf(" Lvl");
}
if (res->Information & PNP_IRQ_SHARED) {
dprintf(" Shr");
} else {
dprintf(" Exc");
}
} else {
dprintf(" Edg Sha");
}
dprintf("\n");
}
break;
}
case TAG_EXTENDED_IRQ: {
PPNP_EXTENDED_IRQ_DESCRIPTOR res =
(PPNP_EXTENDED_IRQ_DESCRIPTOR) dataBuffer;
UCHAR tableCount = 0;
UCHAR tableSize = res->TableSize;
dprintf("%d - TAG_EXTENDED_IRQ -", tagCount );
for (; tableCount < tableSize; tableCount++) {
dprintf(" %d", res->Table[tableCount] );
}
if (res->Flags & PNP_EXTENDED_IRQ_MODE) {
dprintf(" Lat");
}
if (res->Flags & PNP_EXTENDED_IRQ_POLARITY ) {
dprintf(" Edg");
}
if (res->Flags & PNP_EXTENDED_IRQ_SHARED) {
dprintf(" Shr");
} else {
dprintf(" Exc");
}
if (res->Flags & PNP_EXTENDED_IRQ_RESOURCE_CONSUMER_ONLY) {
dprintf(" Con");
} else {
dprintf(" Prod Con");
}
dprintf("\n");
break;
}
case TAG_DMA: {
PPNP_DMA_DESCRIPTOR res = (PPNP_DMA_DESCRIPTOR) dataBuffer;
UCHAR channel = 0;
UCHAR mask = res->ChannelMask;
dprintf("%d - TAG_DMA -", tagCount );
for (; mask; channel++, mask >>= 1) {
if (mask & 1) {
dprintf(" %d", channel);
}
}
switch( (res->Flags & PNP_DMA_SIZE_MASK) ) {
case PNP_DMA_SIZE_8:
dprintf(" 8bit");
break;
case PNP_DMA_SIZE_8_AND_16:
dprintf(" 8-16bit");
break;
case PNP_DMA_SIZE_16:
dprintf(" 16bit");
break;
case PNP_DMA_SIZE_RESERVED:
default:
dprintf(" ??bit");
break;
}
if (res->Flags & PNP_DMA_BUS_MASTER) {
dprintf(" BM");
}
switch( (res->Flags & PNP_DMA_TYPE_MASK) ) {
default:
case PNP_DMA_TYPE_COMPATIBLE:
dprintf(" Com");
break;
case PNP_DMA_TYPE_A:
dprintf(" A");
break;
case PNP_DMA_TYPE_B:
dprintf(" B");
break;
case PNP_DMA_TYPE_F:
dprintf(" F");
}
dprintf("\n");
break;
}
case TAG_START_DEPEND:
indentLevel++;
dprintf("%d - TAG_START_DEPEND\n", tagCount);
break;
case TAG_END_DEPEND:
indentLevel = 0;
dprintf("%d - TAG_END_DEPEND\n", tagCount);
break;
case TAG_IO: {
PPNP_PORT_DESCRIPTOR res = (PPNP_PORT_DESCRIPTOR) dataBuffer;
dprintf(
"%d - TAG_IO - 0x%x-0x%x A:0x%x L:0x%x",
tagCount,
res->MinimumAddress,
res->MaximumAddress,
res->Alignment,
res->Length
);
switch (res->Information & PNP_PORT_DECODE_MASK) {
default:
case PNP_PORT_10_BIT_DECODE:
dprintf(" 10bit");
break;
case PNP_PORT_16_BIT_DECODE:
dprintf(" 16bit");
break;
}
dprintf("\n");
break;
}
case TAG_IO_FIXED: {
PPNP_FIXED_PORT_DESCRIPTOR res =
(PPNP_FIXED_PORT_DESCRIPTOR) dataBuffer;
dprintf(
"%d - TAG_FIXED_IO - 0x%x L:0x%x\n",
tagCount,
res->MinimumAddress,
res->Length
);
break;
}
case TAG_MEMORY: {
PPNP_MEMORY_DESCRIPTOR res =
(PPNP_MEMORY_DESCRIPTOR) dataBuffer;
dprintf(
"%d - TAG_MEMORY24 - 0x%x-0x%x A:0x%x L:0x%x",
tagCount,
res->MinimumAddress,
res->MaximumAddress,
res->Alignment,
res->MemorySize
);
if (res->Information & PNP_MEMORY_READ_WRITE) {
dprintf(" RW");
} else {
dprintf(" R");
}
break;
}
case TAG_MEMORY32: {
PPNP_MEMORY32_DESCRIPTOR res =
(PPNP_MEMORY32_DESCRIPTOR) dataBuffer;
dprintf(
"%d - TAG_MEMORY32 - 0x%x-0x%x A:0x%x L:0x%x",
tagCount,
res->MinimumAddress,
res->MaximumAddress,
res->Alignment,
res->MemorySize
);
if (res->Information & PNP_MEMORY_READ_WRITE) {
dprintf(" RW");
} else {
dprintf(" R");
}
break;
}
case TAG_MEMORY32_FIXED: {
PPNP_FIXED_MEMORY32_DESCRIPTOR res =
(PPNP_FIXED_MEMORY32_DESCRIPTOR) dataBuffer;
dprintf(
"%d - TAG_FIXED_MEMORY32 - 0x%x L:0x%x",
tagCount,
res->BaseAddress,
res->MemorySize
);
if (res->Information & PNP_MEMORY_READ_WRITE) {
dprintf(" RW");
} else {
dprintf(" R");
}
break;
}
case TAG_WORD_ADDRESS: {
PPNP_WORD_ADDRESS_DESCRIPTOR res =
(PPNP_WORD_ADDRESS_DESCRIPTOR) dataBuffer;
dprintf("%d - TAG_WORD_ADDRESS -", tagCount);
switch (res->RFlag) {
case 0:
//
// Memory range
//
dprintf(
"Mem 0x%x-0x%x A:0x%x T:0x%x L:0x%x",
res->MinimumAddress,
res->MaximumAddress,
res->Granularity,
res->TranslationAddress,
res->AddressLength
);
if (res->TFlag & PNP_ADDRESS_TYPE_MEMORY_READ_WRITE) {
dprintf(" RW");
} else {
dprintf(" R");
}
switch (res->TFlag & PNP_ADDRESS_TYPE_MEMORY_MASK) {
default:
case PNP_ADDRESS_TYPE_MEMORY_NONCACHEABLE:
dprintf(" NC");
break;
case PNP_ADDRESS_TYPE_MEMORY_CACHEABLE:
dprintf(" C");
break;
case PNP_ADDRESS_TYPE_MEMORY_WRITE_COMBINE:
dprintf(" WC");
break;
case PNP_ADDRESS_TYPE_MEMORY_PREFETCHABLE:
dprintf(" PC");
break;
}
break;
case 1:
//
// IO range
//
dprintf(
"IO 0x%x-0x%x A:0x%x T:0x%x L:0x%x",
res->MinimumAddress,
res->MaximumAddress,
res->Granularity,
res->TranslationAddress,
res->AddressLength
);
if (res->TFlag & PNP_ADDRESS_TYPE_IO_ISA_RANGE) {
dprintf(" ISA");
}
if (res->TFlag & PNP_ADDRESS_TYPE_IO_NON_ISA_RANGE) {
dprintf(" Non-ISA");
}
break;
case 2:
dprintf(
"Bus 0x%x-0x%x A:0x%x T:0x%x L:0x%x",
res->MinimumAddress,
res->MaximumAddress,
res->Granularity,
res->TranslationAddress,
res->AddressLength
);
break;
} // switch( buffer->RFlag )
//
// Global Flags
//
if (res->GFlag & PNP_ADDRESS_FLAG_CONSUMED_ONLY) {
dprintf(" Consumed");
}
if (res->GFlag & PNP_ADDRESS_FLAG_SUBTRACTIVE_DECODE) {
dprintf(" Subtractive");
}
if (res->GFlag & PNP_ADDRESS_FLAG_MINIMUM_FIXED) {
dprintf(" MinFixed");
}
if (res->GFlag & PNP_ADDRESS_FLAG_MAXIMUM_FIXED) {
dprintf(" MaxFixed");
}
if (increment > sizeof(PNP_WORD_ADDRESS_DESCRIPTOR) + 1) {
dprintf(
" %d<-%s",
dataBuffer[sizeof(PNP_WORD_ADDRESS_DESCRIPTOR)],
&(dataBuffer[sizeof(PNP_WORD_ADDRESS_DESCRIPTOR)+1])
);
}
dprintf("\n");
break;
}
case TAG_DOUBLE_ADDRESS: {
PPNP_DWORD_ADDRESS_DESCRIPTOR res =
(PPNP_DWORD_ADDRESS_DESCRIPTOR) dataBuffer;
dprintf("%d - TAG_DWORD_ADDRESS -", tagCount);
switch (res->RFlag) {
case 0:
//
// Memory range
//
dprintf(
"Mem 0x%x-0x%x A:0x%x T:0x%x L:0x%x",
res->MinimumAddress,
res->MaximumAddress,
res->Granularity,
res->TranslationAddress,
res->AddressLength
);
if (res->TFlag & PNP_ADDRESS_TYPE_MEMORY_READ_WRITE) {
dprintf(" RW");
} else {
dprintf(" R");
}
switch (res->TFlag & PNP_ADDRESS_TYPE_MEMORY_MASK) {
default:
case PNP_ADDRESS_TYPE_MEMORY_NONCACHEABLE:
dprintf(" NC");
break;
case PNP_ADDRESS_TYPE_MEMORY_CACHEABLE:
dprintf(" C");
break;
case PNP_ADDRESS_TYPE_MEMORY_WRITE_COMBINE:
dprintf(" WC");
break;
case PNP_ADDRESS_TYPE_MEMORY_PREFETCHABLE:
dprintf(" PC");
break;
}
break;
case 1:
//
// IO range
//
dprintf(
"IO 0x%x-0x%x A:0x%x T:0x%x L:0x%x",
res->MinimumAddress,
res->MaximumAddress,
res->Granularity,
res->TranslationAddress,
res->AddressLength
);
if (res->TFlag & PNP_ADDRESS_TYPE_IO_ISA_RANGE) {
dprintf(" ISA");
}
if (res->TFlag & PNP_ADDRESS_TYPE_IO_NON_ISA_RANGE) {
dprintf(" Non-ISA");
}
break;
case 2:
dprintf(
"Bus 0x%x-0x%x A:0x%x T:0x%x L:0x%x",
res->MinimumAddress,
res->MaximumAddress,
res->Granularity,
res->TranslationAddress,
res->AddressLength
);
break;
} // switch( buffer->RFlag )
//
// Global Flags
//
if (res->GFlag & PNP_ADDRESS_FLAG_CONSUMED_ONLY) {
dprintf(" Consumed");
}
if (res->GFlag & PNP_ADDRESS_FLAG_SUBTRACTIVE_DECODE) {
dprintf(" Subtractive");
}
if (res->GFlag & PNP_ADDRESS_FLAG_MINIMUM_FIXED) {
dprintf(" MinFixed");
}
if (res->GFlag & PNP_ADDRESS_FLAG_MAXIMUM_FIXED) {
dprintf(" MaxFixed");
}
if (increment > sizeof(PNP_DWORD_ADDRESS_DESCRIPTOR) + 1) {
dprintf(
" %d<-%s",
(UCHAR) dataBuffer[sizeof(PNP_DWORD_ADDRESS_DESCRIPTOR)],
&(dataBuffer[sizeof(PNP_DWORD_ADDRESS_DESCRIPTOR)+1])
);
}
dprintf("\n");
break;
}
case TAG_QUAD_ADDRESS: {
PPNP_QWORD_ADDRESS_DESCRIPTOR res =
(PPNP_QWORD_ADDRESS_DESCRIPTOR) dataBuffer;
dprintf("%d - TAG_QWORD_ADDRESS -", tagCount);
switch (res->RFlag) {
case 0:
//
// Memory range
//
dprintf(
"Mem 0x%x-0x%x A:0x%x T:0x%x L:0x%x",
res->MinimumAddress,
res->MaximumAddress,
res->Granularity,
res->TranslationAddress,
res->AddressLength
);
if (res->TFlag & PNP_ADDRESS_TYPE_MEMORY_READ_WRITE) {
dprintf(" RW");
} else {
dprintf(" R");
}
switch (res->TFlag & PNP_ADDRESS_TYPE_MEMORY_MASK) {
default:
case PNP_ADDRESS_TYPE_MEMORY_NONCACHEABLE:
dprintf(" NC");
break;
case PNP_ADDRESS_TYPE_MEMORY_CACHEABLE:
dprintf(" C");
break;
case PNP_ADDRESS_TYPE_MEMORY_WRITE_COMBINE:
dprintf(" WC");
break;
case PNP_ADDRESS_TYPE_MEMORY_PREFETCHABLE:
dprintf(" PC");
break;
}
break;
case 1:
//
// IO range
//
dprintf(
"IO 0x%x-0x%x A:0x%x T:0x%x L:0x%x",
res->MinimumAddress,
res->MaximumAddress,
res->Granularity,
res->TranslationAddress,
res->AddressLength
);
if (res->TFlag & PNP_ADDRESS_TYPE_IO_ISA_RANGE) {
dprintf(" ISA");
}
if (res->TFlag & PNP_ADDRESS_TYPE_IO_NON_ISA_RANGE) {
dprintf(" Non-ISA");
}
break;
case 2:
dprintf(
"Bus 0x%x-0x%x A:0x%x T:0x%x L:0x%x",
res->MinimumAddress,
res->MaximumAddress,
res->Granularity,
res->TranslationAddress,
res->AddressLength
);
break;
} // switch( buffer->RFlag )
//
// Global Flags
//
if (res->GFlag & PNP_ADDRESS_FLAG_CONSUMED_ONLY) {
dprintf(" Consumed");
}
if (res->GFlag & PNP_ADDRESS_FLAG_SUBTRACTIVE_DECODE) {
dprintf(" Subtractive");
}
if (res->GFlag & PNP_ADDRESS_FLAG_MINIMUM_FIXED) {
dprintf(" MinFixed");
}
if (res->GFlag & PNP_ADDRESS_FLAG_MAXIMUM_FIXED) {
dprintf(" MaxFixed");
}
if (increment > sizeof(PNP_QWORD_ADDRESS_DESCRIPTOR) + 1) {
dprintf(
" %d<-%s",
(UCHAR) dataBuffer[sizeof(PNP_QWORD_ADDRESS_DESCRIPTOR)],
&(dataBuffer[sizeof(PNP_QWORD_ADDRESS_DESCRIPTOR)+1])
);
}
dprintf("\n");
break;
}
case TAG_END:
dprintf("%d - TAG_END\n", tagCount);
if (dataBuffer) {
LocalFree(dataBuffer );
}
return;
default:
dprintf("%d - TAG_UNKNOWN %d\n", tagCount, currentTag );
break;
} // switch
//
// Free the buffer if it was allocated
//
if (dataBuffer != NULL) {
LocalFree( dataBuffer );
dataBuffer = NULL;
}
//
// Update the current address and tag number
//
tagCount++;
currentAddress += increment;
} // while
}