From 6064c1e48b622f53538f4df9bdd402c607a87d51 Mon Sep 17 00:00:00 2001
From: Konstantin Aladyshev <aladyshev22@gmail.com>
Date: Sat, 10 Jul 2021 00:04:40 +0300
Subject: Move lessons to separate folder
Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
---
.../UefiLessonsPkg/MemoryInfo/MemoryInfo.c | 215 +++++++++++++++++++++
.../UefiLessonsPkg/MemoryInfo/MemoryInfo.inf | 21 ++
2 files changed, 236 insertions(+)
create mode 100644 Lessons/Lesson_18/UefiLessonsPkg/MemoryInfo/MemoryInfo.c
create mode 100644 Lessons/Lesson_18/UefiLessonsPkg/MemoryInfo/MemoryInfo.inf
(limited to 'Lessons/Lesson_18/UefiLessonsPkg/MemoryInfo')
diff --git a/Lessons/Lesson_18/UefiLessonsPkg/MemoryInfo/MemoryInfo.c b/Lessons/Lesson_18/UefiLessonsPkg/MemoryInfo/MemoryInfo.c
new file mode 100644
index 0000000..8c3bcf2
--- /dev/null
+++ b/Lessons/Lesson_18/UefiLessonsPkg/MemoryInfo/MemoryInfo.c
@@ -0,0 +1,215 @@
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+// for SetMem
+#include <Library/BaseMemoryLib.h>
+
+#include <Protocol/ShellParameters.h>
+
+const CHAR16 *memory_types[] = {
+ L"EfiReservedMemoryType",
+ L"EfiLoaderCode",
+ L"EfiLoaderData",
+ L"EfiBootServicesCode",
+ L"EfiBootServicesData",
+ L"EfiRuntimeServicesCode",
+ L"EfiRuntimeServicesData",
+ L"EfiConventionalMemory",
+ L"EfiUnusableMemory",
+ L"EfiACPIReclaimMemory",
+ L"EfiACPIMemoryNVS",
+ L"EfiMemoryMappedIO",
+ L"EfiMemoryMappedIOPortSpace",
+ L"EfiPalCode",
+ L"EfiPersistentMemory",
+ L"EfiMaxMemoryType"
+};
+
+
+const CHAR16 *memory_types_OS_view[] = {
+ L"reserved", // L"EfiReservedMemoryType",
+ L"usable", // L"EfiLoaderCode",
+ L"usable", // L"EfiLoaderData",
+ L"usable", // L"EfiBootServicesCode",
+ L"usable", // L"EfiBootServicesData",
+ L"reserved", // L"EfiRuntimeServicesCode",
+ L"reserved", // L"EfiRuntimeServicesData",
+ L"usable", // L"EfiConventionalMemory",
+ L"reserved", // L"EfiUnusableMemory",
+ L"ACPI data",// L"EfiACPIReclaimMemory",
+ L"ACPI NVS", // L"EfiACPIMemoryNVS",
+ L"reserved", // L"EfiMemoryMappedIO",
+ L"reserved", // L"EfiMemoryMappedIOPortSpace",
+ L"reserved", // L"EfiPalCode",
+ L"usable", // L"EfiPersistentMemory",
+ L"usable", // L"EfiMaxMemoryType"
+};
+
+
+const CHAR16 *
+memory_type_to_str(UINT32 type)
+{
+ if (type > sizeof(memory_types)/sizeof(CHAR16 *))
+ return L"Unknown";
+
+ return memory_types[type];
+}
+
+const CHAR16 *
+memory_type_to_str_OS_view(UINT32 type)
+{
+ if (type > sizeof(memory_types_OS_view)/sizeof(CHAR16 *))
+ return L"Unknown";
+
+ return memory_types_OS_view[type];
+}
+
+#define ATTRIBUTE_STR_SIZE 50
+
+#define CHECK_EFI_MEMORY_ATTRIBUTE(attr) if (attrs & EFI_MEMORY_##attr) { \
+ StrCpyS(&str[i], ATTRIBUTE_STR_SIZE, L" "#attr); \
+ i+=StrLen(L" "#attr); \
+ }
+
+const CHAR16 *
+memory_attrs_to_str(CHAR16* str, UINT64 attrs)
+{
+ int i=0;
+ SetMem((VOID *)str, sizeof(str), 0);
+
+ CHECK_EFI_MEMORY_ATTRIBUTE(UC)
+ CHECK_EFI_MEMORY_ATTRIBUTE(WC)
+ CHECK_EFI_MEMORY_ATTRIBUTE(WT)
+ CHECK_EFI_MEMORY_ATTRIBUTE(WB)
+ CHECK_EFI_MEMORY_ATTRIBUTE(UCE)
+ CHECK_EFI_MEMORY_ATTRIBUTE(WP)
+ CHECK_EFI_MEMORY_ATTRIBUTE(RP)
+ CHECK_EFI_MEMORY_ATTRIBUTE(XP)
+ CHECK_EFI_MEMORY_ATTRIBUTE(NV)
+ CHECK_EFI_MEMORY_ATTRIBUTE(MORE_RELIABLE)
+ CHECK_EFI_MEMORY_ATTRIBUTE(RO)
+ CHECK_EFI_MEMORY_ATTRIBUTE(SP)
+ CHECK_EFI_MEMORY_ATTRIBUTE(CPU_CRYPTO)
+ CHECK_EFI_MEMORY_ATTRIBUTE(RUNTIME)
+
+ return str;
+}
+
+EFI_STATUS
+EFIAPI
+UefiMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ UINTN MemoryMapSize = 0;
+ EFI_MEMORY_DESCRIPTOR* MemoryMap = NULL;
+ UINTN MapKey;
+ UINTN DescriptorSize;
+ UINT32 DescriptorVersion;
+
+ EFI_STATUS Status;
+
+
+ EFI_SHELL_PARAMETERS_PROTOCOL* ShellParameters;
+
+ Status = gBS->HandleProtocol(
+ ImageHandle,
+ &gEfiShellParametersProtocolGuid,
+ (VOID **) &ShellParameters
+ );
+
+ BOOLEAN full=FALSE;
+ if (Status == EFI_SUCCESS) {
+ if (ShellParameters->Argc == 2) {
+ if (!StrCmp(ShellParameters->Argv[1], L"full")) {
+ full=TRUE;
+ }
+ }
+ }
+
+
+ Status = gBS->GetMemoryMap(
+ &MemoryMapSize,
+ MemoryMap,
+ &MapKey,
+ &DescriptorSize,
+ &DescriptorVersion
+ );
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ Status = gBS->AllocatePool(
+ EfiBootServicesData,
+ MemoryMapSize,
+ (void**)&MemoryMap
+ );
+
+ if (EFI_ERROR(Status)) {
+ Print(L"AllocatePool error: %r\n", Status);
+ return Status;
+ }
+
+ Status = gBS->GetMemoryMap(
+ &MemoryMapSize,
+ MemoryMap,
+ &MapKey,
+ &DescriptorSize,
+ &DescriptorVersion
+ );
+
+ if (!EFI_ERROR(Status))
+ {
+ EFI_MEMORY_DESCRIPTOR* desc = MemoryMap;
+ EFI_MEMORY_DESCRIPTOR* next_desc;
+ int i = 0;
+ while ((UINT8 *)desc < (UINT8 *)MemoryMap + MemoryMapSize) {
+ UINTN PAGE_SIZE = 4096;
+ UINTN mapping_size =(UINTN) desc->NumberOfPages * PAGE_SIZE;
+
+ UINT64 Start = desc->PhysicalStart;
+
+ next_desc = (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)desc + DescriptorSize);
+ if (!full) {
+ while ((UINT8 *)next_desc < (UINT8 *)MemoryMap + MemoryMapSize) {
+ mapping_size =(UINTN) desc->NumberOfPages * PAGE_SIZE;
+ if ((desc->PhysicalStart + mapping_size) == (next_desc->PhysicalStart)) {
+
+ if (desc->Type != next_desc->Type) {
+ if (StrCmp(memory_type_to_str_OS_view(desc->Type),
+ memory_type_to_str_OS_view(next_desc->Type)))
+ break;
+ }
+
+ desc=next_desc;
+ next_desc = (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)next_desc + DescriptorSize);
+ } else {
+ break;
+ }
+ }
+ }
+
+ if (full) {
+ CHAR16 str[ATTRIBUTE_STR_SIZE];
+ Print(L"[#%02d] Type: %s Attr: %s\n", i++,
+ memory_type_to_str(desc->Type), memory_attrs_to_str(str, desc->Attribute));
+ Print(L" Phys: %016llx-%016llx\n", Start, Start + mapping_size - 1);
+ }
+ else {
+ Print(L" [mem: %016llx-%016llx] %s\n", Start, desc->PhysicalStart + mapping_size - 1,
+ memory_type_to_str_OS_view(desc->Type) );
+ }
+
+ desc = next_desc;
+ }
+
+ gBS->FreePool(MemoryMap);
+ } else {
+ Print(L"GetMemoryMap with buffer error: %r\n", Status);
+ }
+ } else {
+ Print(L"GetMemoryMap without buffer error: %r\n", Status);
+ }
+
+ return Status;
+}
+
diff --git a/Lessons/Lesson_18/UefiLessonsPkg/MemoryInfo/MemoryInfo.inf b/Lessons/Lesson_18/UefiLessonsPkg/MemoryInfo/MemoryInfo.inf
new file mode 100644
index 0000000..777010d
--- /dev/null
+++ b/Lessons/Lesson_18/UefiLessonsPkg/MemoryInfo/MemoryInfo.inf
@@ -0,0 +1,21 @@
+[Defines]
+ INF_VERSION = 1.25
+ BASE_NAME = MemoryInfo
+ FILE_GUID = d2ce1d65-603e-4b48-b3e1-fe65d5d0bca8
+ MODULE_TYPE = UEFI_APPLICATION
+ VERSION_STRING = 1.0
+ ENTRY_POINT = UefiMain
+
+[Sources]
+ MemoryInfo.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+
+[LibraryClasses]
+ UefiApplicationEntryPoint
+ UefiLib
+
+[Protocols]
+ gEfiShellParametersProtocolGuid
+
--
cgit v1.2.3-18-g5258