/**
Display the memory type registers
@param [in] SocketFD The socket's file descriptor to add to the list.
@param [in] pPort The WSDT_PORT structure address
@param [out] pbDone Address to receive the request completion status
@retval EFI_SUCCESS The request was successfully processed
**/
EFI_STATUS
MemoryTypeRegistersPage (
IN int SocketFD,
IN WSDT_PORT * pPort,
OUT BOOLEAN * pbDone
)
{
UINT64 Addr;
BOOLEAN bValid;
MSR_IA32_MTRRCAP_REGISTER Capabilities;
UINTN Count;
MSR_IA32_MTRR_DEF_TYPE_REGISTER DefType;
UINTN Index;
UINT64 Mask;
CONST UINT64 mFixedAddresses [( 8 * MTRR_NUMBER_OF_FIXED_MTRR ) + 1 ] = {
0ULL,
0x10000ULL,
0x20000ULL,
0x30000ULL,
0x40000ULL,
0x50000ULL,
0x60000ULL,
0x70000ULL,
0x80000ULL,
0x84000ULL,
0x88000ULL,
0x8c000ULL,
0x90000ULL,
0x94000ULL,
0x98000ULL,
0x9c000ULL,
0xa0000ULL,
0xa4000ULL,
0xa8000ULL,
0xac000ULL,
0xb0000ULL,
0xb4000ULL,
0xb8000ULL,
0xbc000ULL,
0xc0000ULL,
0xc1000ULL,
0xc2000ULL,
0xc3000ULL,
0xc4000ULL,
0xc5000ULL,
0xc6000ULL,
0xc7000ULL,
0xc8000ULL,
0xc9000ULL,
0xca000ULL,
0xcb000ULL,
0xcc000ULL,
0xcd000ULL,
0xce000ULL,
0xcf000ULL,
0xd0000ULL,
0xd1000ULL,
0xd2000ULL,
0xd3000ULL,
0xd4000ULL,
0xd5000ULL,
0xd6000ULL,
0xd7000ULL,
0xd8000ULL,
0xd9000ULL,
0xda000ULL,
0xdb000ULL,
0xdc000ULL,
0xdd000ULL,
0xde000ULL,
0xdf000ULL,
0xe0000ULL,
0xe1000ULL,
0xe2000ULL,
0xe3000ULL,
0xe4000ULL,
0xe5000ULL,
0xe6000ULL,
0xe7000ULL,
0xe8000ULL,
0xe9000ULL,
0xea000ULL,
0xeb000ULL,
0xec000ULL,
0xed000ULL,
0xee000ULL,
0xef000ULL,
0xf0000ULL,
0xf1000ULL,
0xf2000ULL,
0xf3000ULL,
0xf4000ULL,
0xf5000ULL,
0xf6000ULL,
0xf7000ULL,
0xf8000ULL,
0xf9000ULL,
0xfa000ULL,
0xfb000ULL,
0xfc000ULL,
0xfd000ULL,
0xfe000ULL,
0xff000ULL,
0x100000ULL
};
MTRR_SETTINGS Mtrr;
CONST UINT64 * pMemEnd;
CONST UINT64 * pMemStart;
UINT64 PreviousType;
UINT64 ShiftCount;
EFI_STATUS Status;
UINT64 Type;
INT64 Value;
DBG_ENTER ( );
//
// Send the Memory Type Registers page
//
for ( ; ; ) {
//
// Send the page header
//
Status = HttpPageHeader ( SocketFD, pPort, L"Memory Type Range Registers" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Send the header
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"<h1>Memory Type Range Registers</h1>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Determine if MTRRs are supported
//
if ( !IsMtrrSupported ( )) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
"<p>Memory Type Range Registers are not supported!\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
}
else {
//
// Get the capabilities
//
Capabilities.Uint64 = AsmReadMsr64 ( MSR_IA32_MTRRCAP );
DefType.Uint64 = AsmReadMsr64 ( MSR_IA32_MTRR_DEF_TYPE );
//
// Display the capabilities
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"<p>Capabilities: " );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
Capabilities.Uint64 );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendAnsiString ( SocketFD,
pPort,
"<br>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Display the default type
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"Def Type: " );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
DefType.Uint64);
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendAnsiString ( SocketFD,
pPort,
", MTRRs " );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendAnsiString ( SocketFD,
pPort,
( 0 != DefType.Bits.E )
? "Enabled"
: "Disabled" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendAnsiString ( SocketFD,
pPort,
", Fixed MTRRs " );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendAnsiString ( SocketFD,
pPort,
( 0 != DefType.Bits.FE )
? "Enabled"
: "Disabled" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendAnsiString ( SocketFD,
pPort,
", " );
if ( EFI_ERROR ( Status )) {
break;
}
Type = DefType.Uint64 & 0xff;
Status = HttpSendAnsiString ( SocketFD,
pPort,
( DIM ( mMemoryType ) > Type )
? mMemoryType [ Type ]
: "Reserved" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</p>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Determine if MTRRs are enabled
//
if ( 0 == DefType.Bits.E ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
"<p>All memory is uncached!</p>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
}
else {
//
// Get the MTRRs
//
MtrrGetAllMtrrs ( &Mtrr );
//
// Determine if the fixed MTRRs are supported
//
if (( 0 != Capabilities.Bits.FIX )
&& ( 0 != DefType.Bits.FE)) {
//
// Beginning of table
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"<h2>Fixed MTRRs</h2>\r\n"
"<table>\r\n"
" <tr><th>Index</th><th align=\"right\">Value</th><th align=\"right\">Start</th><th align=\"right\">End</th></tr>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Display the fixed MTRRs
//
pMemStart = &mFixedAddresses[ 0 ];
for ( Count = 0; DIM ( Mtrr.Fixed.Mtrr ) > Count; Count++ ) {
//
// Start the row
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
" <tr><td>" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Index
//
Status = HttpSendValue ( SocketFD,
pPort,
Count );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Value
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</td><td align=\"right\"><code>0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
Mtrr.Fixed.Mtrr[ Count ]);
if ( EFI_ERROR ( Status )) {
break;
}
//
// Start
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</code></td><td align=\"right\"><code>0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
*pMemStart );
if ( EFI_ERROR ( Status )) {
break;
}
pMemStart += 8;
//
// Value
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</code></td><td align=\"right\"><code>0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
*pMemStart - 1 );
if ( EFI_ERROR ( Status )) {
break;
}
//
// End of row
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</code></td></tr>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( EFI_ERROR ( Status )) {
break;
}
//
// End of table
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</table>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Beginning of table
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"<table>\r\n"
" <tr><th align=\"right\">Start</th><th align=\"right\">End</th><th align=\"left\">Type</th></tr>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Decode the fixed MTRRs
//
PreviousType = Mtrr.Fixed.Mtrr[ 0 ] & 0xff;
pMemStart = &mFixedAddresses[ 0 ];
pMemEnd = pMemStart;
for ( Count = 0; DIM ( Mtrr.Fixed.Mtrr ) > Count; Count++ ) {
//
// Get the memory types
//
Type = Mtrr.Fixed.Mtrr[ Count ];
//
// Walk the memory range
//
for ( Index = 0; 8 > Index; Index++ ) {
//
// Determine if this is the same memory type
//
if ( PreviousType != ( Type & 0xff )) {
//
// Display the row
//
Status = MtrrDisplayFixedRow ( SocketFD,
pPort,
*pMemStart,
*pMemEnd,
PreviousType );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Start the next range of addresses
//
pMemStart = pMemEnd;
PreviousType = Type & 0xff;
}
//
// Set the next memory range and type
//
Type >>= 8;
pMemEnd += 1;
}
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( EFI_ERROR ( Status )) {
break;
}
//
// Display the final row
//
Status = MtrrDisplayFixedRow ( SocketFD,
pPort,
*pMemStart,
*pMemEnd,
PreviousType );
if ( EFI_ERROR ( Status )) {
break;
}
//
// End of table
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</table>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
}
//
// Determine if the variable MTRRs are supported
//
if ( 0 < Capabilities.Bits.VCNT ) {
//
// Beginning of table
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"<h2>Variable MTRRs</h2>\r\n"
"<table>\r\n"
" <tr><th>Index</th><th align=\"right\">Base</th><th align=\"right\">Mask</th><th align=\"right\">Start</th><th align=\"right\">End</th></tr>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Display the variable MTRRs
//
for ( Count = 0; Capabilities.Bits.VCNT > Count; Count++ ) {
//
// Start the row
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
" <tr><td>" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Index
//
Status = HttpSendValue ( SocketFD,
pPort,
Count );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Base
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</td><td align=\"right\"><code>0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
Mtrr.Variables.Mtrr[ Count ].Base );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Mask
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</td><td align=\"right\"><code>0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
Mtrr.Variables.Mtrr[ Count ].Mask );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Determine if the entry is valid
//
bValid = ( Mtrr.Variables.Mtrr[ Count ].Mask & VARIABLE_MTRR_VALID ) ? TRUE : FALSE;
//
// Start
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</code></td><td align=\"right\"><code>" );
if ( EFI_ERROR ( Status )) {
break;
}
Addr = Mtrr.Variables.Mtrr[ Count ].Base & 0xfffffffffffff000ULL;
if ( bValid ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
"0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
Addr );
}
else {
Status = HttpSendAnsiString ( SocketFD,
pPort,
"Invalid" );
}
if ( EFI_ERROR ( Status )) {
break;
}
//
// End
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</code></td><td align=\"right\"><code>" );
if ( EFI_ERROR ( Status )) {
break;
}
if ( bValid ) {
//
// Determine the end address
//
Mask = Mtrr.Variables.Mtrr[ Count ].Mask;
Value = Mask;
ShiftCount = 0;
while ( 0 < Value ) {
Value <<= 1;
ShiftCount += 1;
}
Value = 1;
Value <<= 64 - ShiftCount;
Value -= 1;
Value = ~Value;
Value |= Mask;
Value &= ~VARIABLE_MTRR_VALID;
Value = ~Value;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
Addr + Value );
}
if ( EFI_ERROR ( Status )) {
break;
}
//
// Type
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</code></td><td>" );
if ( EFI_ERROR ( Status )) {
break;
}
if ( bValid ) {
Type = Mtrr.Variables.Mtrr[ Count ].Base & 0xFF;
Status = HttpSendAnsiString ( SocketFD,
pPort,
( DIM ( mMemoryType ) > Type )
? mMemoryType [ Type ]
: "Reserved" );
}
if ( EFI_ERROR ( Status )) {
break;
}
//
// End of row
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</td></tr>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( EFI_ERROR ( Status )) {
break;
}
//
// End of table
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</table>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
}
}
}
//
// Send the page trailer
//
Status = HttpPageTrailer ( SocketFD, pPort, pbDone );
break;
}
/**
Page to display the memory map
@param [in] SocketFD The socket's file descriptor to add to the list.
@param [in] pPort The WSDT_PORT structure address
@param [out] pbDone Address to receive the request completion status
@retval EFI_SUCCESS The request was successfully processed
**/
EFI_STATUS
MemoryMapPage (
IN int SocketFD,
IN WSDT_PORT * pPort,
OUT BOOLEAN * pbDone
)
{
UINT64 Attributes;
BOOLEAN bSomethingDisplayed;
UINTN Count;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR * pMemoryEnd;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR * pMemoryDescriptor;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR * pMemoryDescriptorStart;
EFI_STATUS Status;
DBG_ENTER ( );
//
// Send the memory map page
//
pMemoryDescriptorStart = NULL;
for ( ; ; ) {
//
// Send the page header
//
Status = HttpPageHeader ( SocketFD, pPort, L"Memory Map" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Start the table
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"<h1>Memory Map</h1>\r\n"
"<table>\r\n"
" <tr><th align=\"right\">Type</th><th align=\"right\">Start</th><th align=\"right\">End</th><th align=\"right\">Attributes</th></tr>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Get the memory map
//
Status = gDS->GetMemorySpaceMap ( &Count,
&pMemoryDescriptor );
if ( !EFI_ERROR ( Status )) {
pMemoryDescriptorStart = pMemoryDescriptor;
pMemoryEnd = &pMemoryDescriptor[ Count ];
while ( pMemoryEnd > pMemoryDescriptor ) {
//
// Display the type
//
Status = HttpSendAnsiString ( SocketFD, pPort, "<tr><td align=\"right\"><code>" );
if ( EFI_ERROR ( Status )) {
break;
}
if ( DIM ( mpMemoryType ) > pMemoryDescriptor->GcdMemoryType ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
mpMemoryType[ pMemoryDescriptor->GcdMemoryType ]);
}
else {
Status = HttpSendValue ( SocketFD,
pPort,
pMemoryDescriptor->GcdMemoryType );
}
if ( EFI_ERROR ( Status )) {
break;
}
//
// Display the start address
//
Status = HttpSendAnsiString ( SocketFD, pPort, "</code></td><td align=\"right\"><code>0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
pMemoryDescriptor->BaseAddress );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Display the end address
//
Status = HttpSendAnsiString ( SocketFD, pPort, "</code></td><td align=\"right\"><code>0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
pMemoryDescriptor->BaseAddress
+ pMemoryDescriptor->Length
- 1 );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Display the attributes
//
Status = HttpSendAnsiString ( SocketFD, pPort, "</code></td><td align=\"right\"><code>0x" );
if ( EFI_ERROR ( Status )) {
break;
}
Status = HttpSendHexValue ( SocketFD,
pPort,
pMemoryDescriptor->Attributes );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Decode the attributes
//
Status = HttpSendAnsiString ( SocketFD, pPort, "</code></td><td>" );
if ( EFI_ERROR ( Status )) {
break;
}
bSomethingDisplayed = FALSE;
Attributes = pMemoryDescriptor->Attributes;
if ( 0 != ( Attributes & EFI_MEMORY_RUNTIME )) {
bSomethingDisplayed = TRUE;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"Runtime" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( 0 != ( Attributes & EFI_MEMORY_XP )) {
if ( bSomethingDisplayed ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
", " );
if ( EFI_ERROR ( Status )) {
break;
}
}
bSomethingDisplayed = TRUE;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"No Execute" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( 0 != ( Attributes & EFI_MEMORY_RP )) {
if ( bSomethingDisplayed ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
", " );
if ( EFI_ERROR ( Status )) {
break;
}
}
bSomethingDisplayed = TRUE;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"No Read" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( 0 != ( Attributes & EFI_MEMORY_WP )) {
if ( bSomethingDisplayed ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
", " );
if ( EFI_ERROR ( Status )) {
break;
}
}
bSomethingDisplayed = TRUE;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"No Write" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( 0 != ( Attributes & EFI_MEMORY_UCE )) {
if ( bSomethingDisplayed ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
", " );
if ( EFI_ERROR ( Status )) {
break;
}
}
bSomethingDisplayed = TRUE;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"UCE" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( 0 != ( Attributes & EFI_MEMORY_WB )) {
if ( bSomethingDisplayed ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
", " );
if ( EFI_ERROR ( Status )) {
break;
}
}
bSomethingDisplayed = TRUE;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"Write Back" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( 0 != ( Attributes & EFI_MEMORY_WT )) {
if ( bSomethingDisplayed ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
", " );
if ( EFI_ERROR ( Status )) {
break;
}
}
bSomethingDisplayed = TRUE;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"Write Through" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( 0 != ( Attributes & EFI_MEMORY_WC )) {
if ( bSomethingDisplayed ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
", " );
if ( EFI_ERROR ( Status )) {
break;
}
}
bSomethingDisplayed = TRUE;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"Write Combining" );
if ( EFI_ERROR ( Status )) {
break;
}
}
if ( 0 != ( Attributes & EFI_MEMORY_UC )) {
if ( bSomethingDisplayed ) {
Status = HttpSendAnsiString ( SocketFD,
pPort,
", " );
if ( EFI_ERROR ( Status )) {
break;
}
}
bSomethingDisplayed = TRUE;
Status = HttpSendAnsiString ( SocketFD,
pPort,
"Uncached" );
if ( EFI_ERROR ( Status )) {
break;
}
}
//
// Finish the row
//
Status = HttpSendAnsiString ( SocketFD, pPort, "</td></tr>" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Set the next memory descriptor
//
pMemoryDescriptor += 1;
}
}
//
// Finish the table
//
Status = HttpSendAnsiString ( SocketFD,
pPort,
"</table>\r\n" );
if ( EFI_ERROR ( Status )) {
break;
}
//
// Send the page trailer
//
Status = HttpPageTrailer ( SocketFD, pPort, pbDone );
break;
}
//
// Release the memory descriptors
//
if ( NULL != pMemoryDescriptorStart ) {
FreePool ( pMemoryDescriptorStart );
}
//
// Return the operation status
//
DBG_EXIT_STATUS ( Status );
return Status;
}