Add lesson 72

Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>

6 files changed, 206 insertions, 0 deletions

diff --git a/UefiLessonsPkg/HIIFormLabel/Data.h b/UefiLessonsPkg/HIIFormLabel/Data.h
new file mode 100644
index 0000000..0ba704d
--- /dev/null
+++ b/UefiLessonsPkg/HIIFormLabel/Data.h
@@ -0,0 +1,9 @@
+#ifndef _DATA_H_
+#define _DATA_H_
+
+#define FORMSET_GUID  {0x29caf8e0, 0x2788, 0x4e1c, {0xb6, 0x15, 0x5b, 0xf8, 0x2f, 0x06, 0x7a, 0xa5}}
+
+#define LABEL_START 0x1111
+#define LABEL_END   0x2222
+
+#endif
diff --git a/UefiLessonsPkg/HIIFormLabel/Form.vfr b/UefiLessonsPkg/HIIFormLabel/Form.vfr
new file mode 100644
index 0000000..71f7a41
--- /dev/null
+++ b/UefiLessonsPkg/HIIFormLabel/Form.vfr
@@ -0,0 +1,14 @@
+#include "Data.h"
+
+formset
+  guid     = FORMSET_GUID,
+  title    = STRING_TOKEN(FORMSET_TITLE),
+  help     = STRING_TOKEN(FORMSET_HELP),
+  form
+    formid = 1,
+    title = STRING_TOKEN(FORMID1_TITLE);
+
+    label LABEL_START;
+    label LABEL_END;
+  endform;
+endformset;
diff --git a/UefiLessonsPkg/HIIFormLabel/HIIFormLabel.c b/UefiLessonsPkg/HIIFormLabel/HIIFormLabel.c
new file mode 100644
index 0000000..adf3172
--- /dev/null
+++ b/UefiLessonsPkg/HIIFormLabel/HIIFormLabel.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/HiiLib.h>
+#include <Guid/MdeModuleHii.h>
+#include "Data.h"
+
+extern UINT8 FormBin[];
+
+EFI_HII_HANDLE  mHiiHandle = NULL;
+
+
+EFI_STATUS
+EFIAPI
+HIIFormLabelUnload (
+  EFI_HANDLE ImageHandle
+  )
+{
+  if (mHiiHandle != NULL)
+    HiiRemovePackages(mHiiHandle);
+
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+HIIFormLabelEntryPoint (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  mHiiHandle = HiiAddPackages(
+                 &gEfiCallerIdGuid,
+                 NULL,
+                 HIIFormLabelStrings,
+                 FormBin,
+                 NULL
+                 );
+  if (mHiiHandle == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  VOID* StartOpCodeHandle = HiiAllocateOpCodeHandle();
+  EFI_IFR_GUID_LABEL* StartLabel = (EFI_IFR_GUID_LABEL*) HiiCreateGuidOpCode(StartOpCodeHandle,
+                                                                             &gEfiIfrTianoGuid,
+                                                                             NULL,
+                                                                             sizeof(EFI_IFR_GUID_LABEL)
+                                                                             );
+  if (StartLabel == NULL) {
+    Print(L"Error! Can't create StartLabel opcode, not enough space\n");
+    HiiRemovePackages(mHiiHandle);
+    return EFI_BUFFER_TOO_SMALL;
+  }
+  StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
+  StartLabel->Number = LABEL_START;
+
+
+  VOID* EndOpCodeHandle = HiiAllocateOpCodeHandle();
+  EFI_IFR_GUID_LABEL* EndLabel = (EFI_IFR_GUID_LABEL*) HiiCreateGuidOpCode(EndOpCodeHandle,
+                                                                           &gEfiIfrTianoGuid,
+                                                                           NULL,
+                                                                           sizeof(EFI_IFR_GUID_LABEL)
+                                                                           );
+  if (EndLabel == NULL) {
+    Print(L"Error! Can't create EndLabel opcode, not enough space\n");
+    HiiFreeOpCodeHandle(StartOpCodeHandle);
+    HiiFreeOpCodeHandle(EndOpCodeHandle);
+    HiiRemovePackages(mHiiHandle);
+    return EFI_BUFFER_TOO_SMALL;
+  }
+
+  EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
+  EndLabel->Number = LABEL_END;
+
+  EFI_STRING_ID text_prompt = HiiSetString(mHiiHandle,
+                                           0,
+                                           L"Text prompt",
+                                           NULL);
+  EFI_STRING_ID text_help = HiiSetString(mHiiHandle,
+                                         0,
+                                         L"Text help",
+                                         NULL);
+
+
+  UINT8* Result = HiiCreateTextOpCode(StartOpCodeHandle,
+                                      text_prompt,
+                                      text_help,
+                                      0);
+  if (Result == NULL) {
+    Print(L"Error! Can't create Text opcode, not enough space\n");
+    HiiFreeOpCodeHandle(StartOpCodeHandle);
+    HiiFreeOpCodeHandle(EndOpCodeHandle);
+    HiiRemovePackages(mHiiHandle);
+    return EFI_BUFFER_TOO_SMALL;
+  }
+
+  text_prompt = HiiSetString(mHiiHandle,
+                             0,
+                             L"Another text prompt",
+                             NULL);
+  text_help = HiiSetString(mHiiHandle,
+                           0,
+                           L"Another text help",
+                           NULL);
+
+  Result = HiiCreateTextOpCode(StartOpCodeHandle,
+                               text_prompt,
+                               text_help,
+                               0);
+  if (Result == NULL) {
+    Print(L"Error! Can't create Text opcode, not enough space\n");
+    HiiFreeOpCodeHandle(StartOpCodeHandle);
+    HiiFreeOpCodeHandle(EndOpCodeHandle);
+    HiiRemovePackages(mHiiHandle);
+    return EFI_BUFFER_TOO_SMALL;
+  }
+
+
+ 
+  EFI_GUID formsetGuid = FORMSET_GUID;
+  EFI_STATUS Status = HiiUpdateForm(
+                        mHiiHandle,
+                        &formsetGuid,
+                        0x1,
+                        StartOpCodeHandle,
+                        EndOpCodeHandle
+                      );
+  if (EFI_ERROR(Status)) {
+    Print(L"Error! HiiUpdateForm returned = %r\n", Status);
+  }
+
+  HiiFreeOpCodeHandle(StartOpCodeHandle);
+  HiiFreeOpCodeHandle(EndOpCodeHandle);
+  return Status;
+}
diff --git a/UefiLessonsPkg/HIIFormLabel/HIIFormLabel.inf b/UefiLessonsPkg/HIIFormLabel/HIIFormLabel.inf
new file mode 100644
index 0000000..8ad87e0
--- /dev/null
+++ b/UefiLessonsPkg/HIIFormLabel/HIIFormLabel.inf
@@ -0,0 +1,31 @@
+##
+# Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+#
+# SPDX-License-Identifier: MIT
+##
+
+[Defines]
+  INF_VERSION                    = 1.25
+  BASE_NAME                      = HIIFormLabel
+  FILE_GUID                      = a869c42c-fd49-469d-b6ab-b37569c0e90d
+  MODULE_TYPE                    = UEFI_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = HIIFormLabelEntryPoint
+  UNLOAD_IMAGE                   = HIIFormLabelUnload
+
+[Sources]
+  HIIFormLabel.c
+  Strings.uni
+  Form.vfr
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  UefiDriverEntryPoint
+  UefiLib
+  HiiLib
+
+[Guids]
+  gEfiIfrTianoGuid
diff --git a/UefiLessonsPkg/HIIFormLabel/Strings.uni b/UefiLessonsPkg/HIIFormLabel/Strings.uni
new file mode 100644
index 0000000..8cb6b49
--- /dev/null
+++ b/UefiLessonsPkg/HIIFormLabel/Strings.uni
@@ -0,0 +1,11 @@
+//
+// Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+//
+// SPDX-License-Identifier: MIT
+//
+
+#langdef en-US "English"
+
+#string FORMSET_TITLE          #language en-US  "Simple Formset"
+#string FORMSET_HELP           #language en-US  "This is a very simple formset"
+#string FORMID1_TITLE          #language en-US  "Simple Form"
diff --git a/UefiLessonsPkg/UefiLessonsPkg.dsc b/UefiLessonsPkg/UefiLessonsPkg.dsc
index cd0cf74..b63f118 100644
--- a/UefiLessonsPkg/UefiLessonsPkg.dsc
+++ b/UefiLessonsPkg/UefiLessonsPkg.dsc
@@ -81,6 +81,7 @@
   UefiLessonsPkg/DevicePath/DevicePath.inf
   UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.inf
   UefiLessonsPkg/HIIFormDataElements/HIIFormDataElements.inf
+  UefiLessonsPkg/HIIFormLabel/HIIFormLabel.inf
 
 [PcdsFixedAtBuild]
   gUefiLessonsPkgTokenSpaceGuid.PcdMyVar32_2|44