audk/AppPkg/Applications/Sockets/WebServer/MemoryMap.c

365 lines
11 KiB
C

/**
@file
Display the memory map
Copyright (c) 2012, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <WebServer.h>
#include <PiDxe.h>
#include <Library/DxeServicesTableLib.h>
CONST char * mpMemoryType[ ] = {
"Non-existent",
"Reserved",
"System Memory",
"Memory Mapped I/O"
};
/**
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;
}