mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-28 12:25:19 +01:00
442 lines
13 KiB
C
Executable File
442 lines
13 KiB
C
Executable File
/** @file
|
|
Pre-Create a 4G page table (2M pages).
|
|
It's used in DUET x64 build needed to enter LongMode.
|
|
|
|
Create 4G page table (2M pages)
|
|
|
|
Linear Address
|
|
63 48 47 39 38 30 29 21 20 0
|
|
+--------+-------+---------------+-----------+-----------------------------+
|
|
PML4 Directory-Ptr Directory Offset
|
|
|
|
Paging-Structures :=
|
|
PML4
|
|
(
|
|
Directory-Ptr Directory {512}
|
|
) {4}
|
|
|
|
Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
|
|
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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "VirtualMemory.h"
|
|
#include "EfiUtilityMsgs.h"
|
|
#include "ParseInf.h"
|
|
|
|
#define EFI_PAGE_BASE_OFFSET_IN_LDR 0x70000
|
|
#define EFI_PAGE_BASE_ADDRESS (EFI_PAGE_BASE_OFFSET_IN_LDR + 0x20000)
|
|
|
|
UINT32 gPageTableBaseAddress = EFI_PAGE_BASE_ADDRESS;
|
|
UINT32 gPageTableOffsetInFile = EFI_PAGE_BASE_OFFSET_IN_LDR;
|
|
|
|
#define EFI_MAX_ENTRY_NUM 512
|
|
|
|
#define EFI_PML4_ENTRY_NUM 1
|
|
#define EFI_PDPTE_ENTRY_NUM 4
|
|
#define EFI_PDE_ENTRY_NUM EFI_MAX_ENTRY_NUM
|
|
|
|
#define EFI_PML4_PAGE_NUM 1
|
|
#define EFI_PDPTE_PAGE_NUM EFI_PML4_ENTRY_NUM
|
|
#define EFI_PDE_PAGE_NUM (EFI_PML4_ENTRY_NUM * EFI_PDPTE_ENTRY_NUM)
|
|
|
|
#define EFI_PAGE_NUMBER (EFI_PML4_PAGE_NUM + EFI_PDPTE_PAGE_NUM + EFI_PDE_PAGE_NUM)
|
|
|
|
#define EFI_SIZE_OF_PAGE 0x1000
|
|
#define EFI_PAGE_SIZE_2M 0x200000
|
|
|
|
#define CONVERT_BIN_PAGE_ADDRESS(a) ((UINT8 *) a - PageTable + gPageTableBaseAddress)
|
|
|
|
//
|
|
// Utility Name
|
|
//
|
|
#define UTILITY_NAME "GenPage"
|
|
|
|
//
|
|
// Utility version information
|
|
//
|
|
#define UTILITY_MAJOR_VERSION 0
|
|
#define UTILITY_MINOR_VERSION 2
|
|
|
|
void
|
|
Version (
|
|
void
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Displays the standard utility information to SDTOUT
|
|
|
|
Arguments:
|
|
|
|
None
|
|
|
|
Returns:
|
|
|
|
None
|
|
|
|
--*/
|
|
{
|
|
printf ("%s Version %d.%d %s\n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION);
|
|
}
|
|
|
|
VOID
|
|
Usage (
|
|
void
|
|
)
|
|
{
|
|
printf ("Usage: GenPage.exe [options] EfiLoaderImageName \n\n\
|
|
Copyright (c) 2008 - 2014, Intel Corporation. All rights reserved.\n\n\
|
|
Utility to generate the EfiLoader image containing a page table.\n\n\
|
|
optional arguments:\n\
|
|
-h, --help Show this help message and exit\n\
|
|
--version Show program's version number and exit\n\
|
|
-d [DEBUG], --debug [DEBUG]\n\
|
|
Output DEBUG statements, where DEBUG_LEVEL is 0 (min)\n\
|
|
- 9 (max)\n\
|
|
-v, --verbose Print informational statements\n\
|
|
-q, --quiet Returns the exit code, error messages will be\n\
|
|
displayed\n\
|
|
-s, --silent Returns only the exit code; informational and error\n\
|
|
messages are not displayed\n\
|
|
-o OUTPUT_FILENAME, --output OUTPUT_FILENAME\n\
|
|
Output file contain both the non-page table part and\n\
|
|
the page table\n\
|
|
-b BASE_ADDRESS, --baseaddr BASE_ADDRESS\n\
|
|
The page table location\n\
|
|
-f OFFSET, --offset OFFSET\n\
|
|
The position that the page table will appear in the\n\
|
|
output file\n\
|
|
--sfo Reserved for future use\n");
|
|
|
|
}
|
|
|
|
void *
|
|
CreateIdentityMappingPageTables (
|
|
void
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
To create 4G PAE 2M pagetable
|
|
|
|
Return:
|
|
void * - buffer containing created pagetable
|
|
|
|
--*/
|
|
{
|
|
UINT64 PageAddress;
|
|
UINT8 *PageTable;
|
|
UINT8 *PageTablePtr;
|
|
int PML4Index;
|
|
int PDPTEIndex;
|
|
int PDEIndex;
|
|
X64_PAGE_MAP_AND_DIRECTORY_POINTER_2MB_4K *PageMapLevel4Entry;
|
|
X64_PAGE_MAP_AND_DIRECTORY_POINTER_2MB_4K *PageDirectoryPointerEntry;
|
|
X64_PAGE_TABLE_ENTRY_2M *PageDirectoryEntry2MB;
|
|
|
|
PageTable = (void *)malloc (EFI_PAGE_NUMBER * EFI_SIZE_OF_PAGE);
|
|
if (PageTable == NULL) {
|
|
Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");
|
|
return NULL;
|
|
}
|
|
memset (PageTable, 0, (EFI_PAGE_NUMBER * EFI_SIZE_OF_PAGE));
|
|
PageTablePtr = PageTable;
|
|
|
|
PageAddress = 0;
|
|
|
|
//
|
|
// Page Table structure 3 level 2MB.
|
|
//
|
|
// Page-Map-Level-4-Table : bits 47-39
|
|
// Page-Directory-Pointer-Table : bits 38-30
|
|
//
|
|
// Page Table 2MB : Page-Directory(2M) : bits 29-21
|
|
//
|
|
//
|
|
|
|
PageMapLevel4Entry = (X64_PAGE_MAP_AND_DIRECTORY_POINTER_2MB_4K *)PageTablePtr;
|
|
|
|
for (PML4Index = 0; PML4Index < EFI_PML4_ENTRY_NUM; PML4Index++, PageMapLevel4Entry++) {
|
|
//
|
|
// Each Page-Map-Level-4-Table Entry points to the base address of a Page-Directory-Pointer-Table Entry
|
|
//
|
|
PageTablePtr += EFI_SIZE_OF_PAGE;
|
|
PageDirectoryPointerEntry = (X64_PAGE_MAP_AND_DIRECTORY_POINTER_2MB_4K *)PageTablePtr;
|
|
|
|
//
|
|
// Make a Page-Map-Level-4-Table Entry
|
|
//
|
|
PageMapLevel4Entry->Uint64 = (UINT64)(UINT32)(CONVERT_BIN_PAGE_ADDRESS (PageDirectoryPointerEntry));
|
|
PageMapLevel4Entry->Bits.ReadWrite = 1;
|
|
PageMapLevel4Entry->Bits.Present = 1;
|
|
|
|
for (PDPTEIndex = 0; PDPTEIndex < EFI_PDPTE_ENTRY_NUM; PDPTEIndex++, PageDirectoryPointerEntry++) {
|
|
//
|
|
// Each Page-Directory-Pointer-Table Entry points to the base address of a Page-Directory Entry
|
|
//
|
|
PageTablePtr += EFI_SIZE_OF_PAGE;
|
|
PageDirectoryEntry2MB = (X64_PAGE_TABLE_ENTRY_2M *)PageTablePtr;
|
|
|
|
//
|
|
// Make a Page-Directory-Pointer-Table Entry
|
|
//
|
|
PageDirectoryPointerEntry->Uint64 = (UINT64)(UINT32)(CONVERT_BIN_PAGE_ADDRESS (PageDirectoryEntry2MB));
|
|
PageDirectoryPointerEntry->Bits.ReadWrite = 1;
|
|
PageDirectoryPointerEntry->Bits.Present = 1;
|
|
|
|
for (PDEIndex = 0; PDEIndex < EFI_PDE_ENTRY_NUM; PDEIndex++, PageDirectoryEntry2MB++) {
|
|
//
|
|
// Make a Page-Directory Entry
|
|
//
|
|
PageDirectoryEntry2MB->Uint64 = (UINT64)PageAddress;
|
|
PageDirectoryEntry2MB->Bits.ReadWrite = 1;
|
|
PageDirectoryEntry2MB->Bits.Present = 1;
|
|
PageDirectoryEntry2MB->Bits.MustBe1 = 1;
|
|
|
|
PageAddress += EFI_PAGE_SIZE_2M;
|
|
}
|
|
}
|
|
}
|
|
|
|
return PageTable;
|
|
}
|
|
|
|
INT32
|
|
GenBinPage (
|
|
void *BaseMemory,
|
|
char *NoPageFileName,
|
|
char *PageFileName
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
Write the buffer containing page table to file at a specified offset.
|
|
Here the offset is defined as EFI_PAGE_BASE_OFFSET_IN_LDR.
|
|
|
|
Arguments:
|
|
BaseMemory - buffer containing page table
|
|
NoPageFileName - file to write page table
|
|
PageFileName - file save to after writing
|
|
|
|
return:
|
|
0 : successful
|
|
-1 : failed
|
|
|
|
--*/
|
|
{
|
|
FILE *PageFile;
|
|
FILE *NoPageFile;
|
|
UINT8 Data;
|
|
unsigned long FileSize;
|
|
|
|
//
|
|
// Open files
|
|
//
|
|
PageFile = fopen (LongFilePath (PageFileName), "w+b");
|
|
if (PageFile == NULL) {
|
|
Error (NoPageFileName, 0, 0x4002, "Invalid parameter option", "Output File %s open failure", PageFileName);
|
|
return -1;
|
|
}
|
|
|
|
NoPageFile = fopen (LongFilePath (NoPageFileName), "r+b");
|
|
if (NoPageFile == NULL) {
|
|
Error (NoPageFileName, 0, 0x4002, "Invalid parameter option", "Input File %s open failure", NoPageFileName);
|
|
fclose (PageFile);
|
|
return -1;
|
|
}
|
|
|
|
//
|
|
// Check size - should not be great than EFI_PAGE_BASE_OFFSET_IN_LDR
|
|
//
|
|
fseek (NoPageFile, 0, SEEK_END);
|
|
FileSize = ftell (NoPageFile);
|
|
fseek (NoPageFile, 0, SEEK_SET);
|
|
if (FileSize > gPageTableOffsetInFile) {
|
|
Error (NoPageFileName, 0, 0x4002, "Invalid parameter option", "Input file size (0x%lx) exceeds the Page Table Offset (0x%x)", FileSize, (unsigned) gPageTableOffsetInFile);
|
|
fclose (PageFile);
|
|
fclose (NoPageFile);
|
|
return -1;
|
|
}
|
|
|
|
//
|
|
// Write data
|
|
//
|
|
while (fread (&Data, sizeof(UINT8), 1, NoPageFile)) {
|
|
fwrite (&Data, sizeof(UINT8), 1, PageFile);
|
|
}
|
|
|
|
//
|
|
// Write PageTable
|
|
//
|
|
fseek (PageFile, gPageTableOffsetInFile, SEEK_SET);
|
|
fwrite (BaseMemory, (EFI_PAGE_NUMBER * EFI_SIZE_OF_PAGE), 1, PageFile);
|
|
|
|
//
|
|
// Close files
|
|
//
|
|
fclose (PageFile);
|
|
fclose (NoPageFile);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main (
|
|
int argc,
|
|
char **argv
|
|
)
|
|
{
|
|
VOID *BaseMemory;
|
|
INTN result;
|
|
CHAR8 *OutputFile = NULL;
|
|
CHAR8 *InputFile = NULL;
|
|
EFI_STATUS Status;
|
|
UINT64 TempValue;
|
|
|
|
SetUtilityName("GenPage");
|
|
|
|
if (argc == 1) {
|
|
Usage();
|
|
return STATUS_ERROR;
|
|
}
|
|
|
|
argc --;
|
|
argv ++;
|
|
|
|
if ((stricmp (argv[0], "-h") == 0) || (stricmp (argv[0], "--help") == 0)) {
|
|
Usage();
|
|
return 0;
|
|
}
|
|
|
|
if (stricmp (argv[0], "--version") == 0) {
|
|
Version();
|
|
return 0;
|
|
}
|
|
|
|
while (argc > 0) {
|
|
if ((stricmp (argv[0], "-o") == 0) || (stricmp (argv[0], "--output") == 0)) {
|
|
if (argv[1] == NULL || argv[1][0] == '-') {
|
|
Error (NULL, 0, 1003, "Invalid option value", "Output file is missing for -o option");
|
|
return STATUS_ERROR;
|
|
}
|
|
OutputFile = argv[1];
|
|
argc -= 2;
|
|
argv += 2;
|
|
continue;
|
|
}
|
|
|
|
if ((stricmp (argv[0], "-b") == 0) || (stricmp (argv[0], "--baseaddr") == 0)) {
|
|
if (argv[1] == NULL || argv[1][0] == '-') {
|
|
Error (NULL, 0, 1003, "Invalid option value", "Base address is missing for -b option");
|
|
return STATUS_ERROR;
|
|
}
|
|
Status = AsciiStringToUint64 (argv[1], FALSE, &TempValue);
|
|
if (EFI_ERROR (Status)) {
|
|
Error (NULL, 0, 1003, "Invalid option value", "Base address is not valid intergrator");
|
|
return STATUS_ERROR;
|
|
}
|
|
gPageTableBaseAddress = (UINT32) TempValue;
|
|
argc -= 2;
|
|
argv += 2;
|
|
continue;
|
|
}
|
|
|
|
if ((stricmp (argv[0], "-f") == 0) || (stricmp (argv[0], "--offset") == 0)) {
|
|
if (argv[1] == NULL || argv[1][0] == '-') {
|
|
Error (NULL, 0, 1003, "Invalid option value", "Offset is missing for -f option");
|
|
return STATUS_ERROR;
|
|
}
|
|
Status = AsciiStringToUint64 (argv[1], FALSE, &TempValue);
|
|
if (EFI_ERROR (Status)) {
|
|
Error (NULL, 0, 1003, "Invalid option value", "Offset is not valid intergrator");
|
|
return STATUS_ERROR;
|
|
}
|
|
gPageTableOffsetInFile = (UINT32) TempValue;
|
|
argc -= 2;
|
|
argv += 2;
|
|
continue;
|
|
}
|
|
|
|
if ((stricmp (argv[0], "-q") == 0) || (stricmp (argv[0], "--quiet") == 0)) {
|
|
argc --;
|
|
argv ++;
|
|
continue;
|
|
}
|
|
|
|
if ((stricmp (argv[0], "-v") ==0) || (stricmp (argv[0], "--verbose") == 0)) {
|
|
argc --;
|
|
argv ++;
|
|
continue;
|
|
}
|
|
|
|
if ((stricmp (argv[0], "-d") == 0) || (stricmp (argv[0], "--debug") == 0)) {
|
|
if (argv[1] == NULL || argv[1][0] == '-') {
|
|
Error (NULL, 0, 1003, "Invalid option value", "Debug Level is not specified.");
|
|
return STATUS_ERROR;
|
|
}
|
|
Status = AsciiStringToUint64 (argv[1], FALSE, &TempValue);
|
|
if (EFI_ERROR (Status)) {
|
|
Error (NULL, 0, 1003, "Invalid option value", "Debug Level is not valid intergrator.");
|
|
return STATUS_ERROR;
|
|
}
|
|
if (TempValue > 9) {
|
|
Error (NULL, 0, 1003, "Invalid option value", "Debug Level range is 0-9, currnt input level is %d", (int) TempValue);
|
|
return STATUS_ERROR;
|
|
}
|
|
argc -= 2;
|
|
argv += 2;
|
|
continue;
|
|
}
|
|
|
|
if (argv[0][0] == '-') {
|
|
Error (NULL, 0, 1000, "Unknown option", argv[0]);
|
|
return STATUS_ERROR;
|
|
}
|
|
|
|
//
|
|
// Don't recognize the parameter.
|
|
//
|
|
InputFile = argv[0];
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
if (InputFile == NULL) {
|
|
Error (NULL, 0, 1003, "Invalid option value", "Input file is not specified");
|
|
return STATUS_ERROR;
|
|
}
|
|
|
|
//
|
|
// Create X64 page table
|
|
//
|
|
BaseMemory = CreateIdentityMappingPageTables ();
|
|
if (BaseMemory == NULL) {
|
|
Error (NULL, 0, 4001, "Resource", "memory cannot be allocated!");
|
|
return STATUS_ERROR;
|
|
}
|
|
|
|
//
|
|
// Add page table to binary file
|
|
//
|
|
result = GenBinPage (BaseMemory, InputFile, OutputFile);
|
|
if (result < 0) {
|
|
free (BaseMemory);
|
|
return STATUS_ERROR;
|
|
}
|
|
|
|
free (BaseMemory);
|
|
return 0;
|
|
}
|
|
|