diff options
Diffstat (limited to 'memtestEDK')
-rw-r--r-- | memtestEDK/Memtest/GetMemoryMap/GetMemoryMap.c | 97 | ||||
-rw-r--r-- | memtestEDK/Memtest/GetMemoryMap/TODO | 0 | ||||
-rw-r--r-- | memtestEDK/Memtest/ProtocolInformation/TODO | 0 | ||||
-rwxr-xr-x | memtestEDK/Memtest/run.sh | 2 |
4 files changed, 13 insertions, 86 deletions
diff --git a/memtestEDK/Memtest/GetMemoryMap/GetMemoryMap.c b/memtestEDK/Memtest/GetMemoryMap/GetMemoryMap.c index 926849c..3300552 100644 --- a/memtestEDK/Memtest/GetMemoryMap/GetMemoryMap.c +++ b/memtestEDK/Memtest/GetMemoryMap/GetMemoryMap.c @@ -1,7 +1,3 @@ -#include <stdio.h> -//#include <stdlib.h> - - #include <Uefi.h> #include <Library/UefiLib.h> #include <Library/UefiApplicationEntryPoint.h> @@ -33,41 +29,6 @@ const CHAR16 *memory_types[] = L"EfiPalCode", }; -void printToFile() { - /* Variable to store user content */ - char data[DATA_SIZE]; - - /* File pointer to hold reference to our file */ - FILE * fPtr; - - - /* - * Open file in w (write) mode. - * "data/file1.txt" is complete path to create file - */ - fPtr = fopen("data/file1.txt", "w"); - - - /* fopen() return NULL if last operation was unsuccessful */ - if(fPtr == NULL) - { - /* File not created hence exit */ - printf("Unable to create file.\n"); - } - - - /* Write data to file */ - fputs(data, fPtr); - - - /* Close file to save file data */ - fclose(fPtr); - - - /* Success message */ - printf("File created and saved successfully. :) \n"); -} - EFI_STATUS EFIAPI UefiMain ( @@ -75,7 +36,8 @@ UefiMain ( IN EFI_SYSTEM_TABLE *SystemTable ) { - Print(L"Application to get Memory Map\n"); + + Print(L"Application to get Memory Map\n\n"); UINTN MemoryMapSize = 0; EFI_MEMORY_DESCRIPTOR *memoryMap = NULL; @@ -86,65 +48,30 @@ UefiMain ( EFI_BOOT_SERVICES *bs = SystemTable->BootServices; + /* Allocate the buffer for the MemoryMap. As the memory map changes every time we query it, the + size also may change. So we allocate a new buffer until it has sufficient space for the MemoryMap. + */ Status = bs->GetMemoryMap(&MemoryMapSize, memoryMap, &LocalMapKey, &DescriptorSize, &DescriptorVersion); -/* Print(L"MemoryMapSize: %d\n", MemoryMapSize); // size needed if the buffer was to small - Print(L"memoryMap pointer: %p\n", memoryMap); - Print(L"This time through the memory map loop, status = %r\n",Status);*/ do { -/* Print(L"Buffer was too small!\n"); - Print(L"Trying with size %d\n", (UINTN) (MemoryMapSize + 1) ); - Print(L"MemoryMapSize: %d\n", MemoryMapSize); // size needed if the buffer was to small - Print(L"MemoryMap pointer: %p\n", memoryMap);*/ - Status = bs->AllocatePool(EfiLoaderData, (UINTN) (MemoryMapSize + 1) , (void **)&memoryMap); -/* - Print(L"Status = %r\n", Status); - Print(L"MemoryMap pointer: %p\n", memoryMap); -*/ Status = bs->GetMemoryMap(&MemoryMapSize, memoryMap, &LocalMapKey, &DescriptorSize, &DescriptorVersion); -/* Print(L"Status = %r\n", Status); - Print(L"After GetMemoryMap\n"); - Print(L"MemoryMapSize: %d\n", MemoryMapSize); // size needed if the buffer was to small - Print(L"memoryMap pointer: %p\n", memoryMap); - Print(L"This time through the memory map loop, status = %r\n",Status);*/ } while (Status == EFI_BUFFER_TOO_SMALL); if (Status != EFI_SUCCESS) { Print(L"Status = %r\n", Status); + return Status; } - - Print(L"After GetMemoryMap\n"); - Print(L"MemoryMapSize: %d\n", MemoryMapSize); // size needed if the buffer was to small - Print(L"MemoryMap pointer: %p\n", memoryMap); - - EFI_MEMORY_DESCRIPTOR firstElement = *memoryMap; Print(L"memoryMap location: %p\n", memoryMap); - Print(L"Size of first element: %d\n", sizeof(firstElement)); - Print(L"Type: %d\n", firstElement.Type); - Print(L"PhysicalStart: %p\n", firstElement.PhysicalStart); - Print(L"VirtualStart: %p\n", firstElement.VirtualStart); - Print(L"NumberOfPages: %d\n", firstElement.NumberOfPages); - Print(L"Attribute: %d\n", firstElement.Attribute); - - - EFI_MEMORY_DESCRIPTOR secondElement = *(memoryMap + 40); - Print(L"memoryMap location: %p\n", memoryMap); - Print(L"Size of first element: %d\n", sizeof(secondElement)); - Print(L"Type: %d\n", secondElement.Type); - Print(L"PhysicalStart: %p\n", secondElement.PhysicalStart); - Print(L"VirtualStart: %p\n", secondElement.VirtualStart); - Print(L"NumberOfPages: %d\n", secondElement.NumberOfPages); - Print(L"Attribute: %d\n", secondElement.Attribute); + //Print(L"Size of first element (and all other elements): %d\n", sizeof(secondElement)); + Print(L"DescriptorSize: %d\n", DescriptorSize); + Print(L"DescriptorVersion: %d\n\n\n", DescriptorVersion); uint8_t *startOfMemoryMap = (uint8_t *)memoryMap; uint8_t *endOfMemoryMap = startOfMemoryMap + MemoryMapSize; - uint8_t *offset = startOfMemoryMap; - uint32_t counter = 0; uint64_t totalPages = 0; - EFI_MEMORY_DESCRIPTOR *desc = NULL; while(offset < endOfMemoryMap) { @@ -161,11 +88,11 @@ UefiMain ( offset += DescriptorSize; counter++; - - uint64_t MemoryMapSize = totalPages * 4096; - Print(L"Memory detected: %d MB\n", MemoryMapSize / 1024 / 1024); } + + uint64_t MemoryMapSize = totalPages * 4096; + Print(L"Memory detected: %d MB\n\n", MemoryMapSize / 1024 / 1024); return EFI_SUCCESS; } diff --git a/memtestEDK/Memtest/GetMemoryMap/TODO b/memtestEDK/Memtest/GetMemoryMap/TODO deleted file mode 100644 index e69de29..0000000 --- a/memtestEDK/Memtest/GetMemoryMap/TODO +++ /dev/null diff --git a/memtestEDK/Memtest/ProtocolInformation/TODO b/memtestEDK/Memtest/ProtocolInformation/TODO deleted file mode 100644 index e69de29..0000000 --- a/memtestEDK/Memtest/ProtocolInformation/TODO +++ /dev/null diff --git a/memtestEDK/Memtest/run.sh b/memtestEDK/Memtest/run.sh index 6d98a65..742efca 100755 --- a/memtestEDK/Memtest/run.sh +++ b/memtestEDK/Memtest/run.sh @@ -3,7 +3,7 @@ (cd ..;. edksetup.sh BaseTools; build -a X64 -p MdeModulePkg/MdeModulePkg.dsc) if [ $? -ne 0 ]; then exit 1; fi -(cd ..; cp Build/MdeModule/DEBUG_GCC5/X64/ProtocolInformation.efi ../../git/working_dir/memtest86/test_code/hda-contents/) +(cd ..; cp Build/MdeModule/DEBUG_GCC5/X64/ConfigurationTable.efi ../../git/working_dir/memtest86/test_code/hda-contents/) if [ $? -ne 0 ]; then exit 1; fi (cd ../../../git/working_dir/memtest86/test_code; sudo ./run.sh ) |