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-rw-r--r--UefiLessonsPkg/HIIFormCheckbox/Form.vfr25
-rw-r--r--UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.c152
-rw-r--r--UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.inf28
-rw-r--r--UefiLessonsPkg/HIIFormCheckbox/Strings.uni13
4 files changed, 218 insertions, 0 deletions
diff --git a/UefiLessonsPkg/HIIFormCheckbox/Form.vfr b/UefiLessonsPkg/HIIFormCheckbox/Form.vfr
new file mode 100644
index 0000000..01759f7
--- /dev/null
+++ b/UefiLessonsPkg/HIIFormCheckbox/Form.vfr
@@ -0,0 +1,25 @@
+#include <Uefi/UefiMultiPhase.h>
+
+#define FORMSET_GUID {0xef2acc91, 0x7b50, 0x4ab9, {0xab, 0x67, 0x2b, 0x4, 0xf8, 0xbc, 0x13, 0x5e}}
+
+formset
+ guid = FORMSET_GUID,
+ title = STRING_TOKEN(FORMSET_TITLE),
+ help = STRING_TOKEN(FORMSET_HELP),
+
+ efivarstore UINT8,
+ attribute = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ name = CheckboxValue,
+ guid = FORMSET_GUID;
+
+ form
+ formid = 1,
+ title = STRING_TOKEN(FORMID1_TITLE);
+
+ checkbox
+ varid = CheckboxValue,
+ prompt = STRING_TOKEN(CHECKBOX_PROMPT),
+ help = STRING_TOKEN(CHECKBOX_HELP),
+ endcheckbox;
+ endform;
+endformset;
diff --git a/UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.c b/UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.c
new file mode 100644
index 0000000..c4f6fd3
--- /dev/null
+++ b/UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiLib.h>
+
+#include <Library/HiiLib.h>
+
+#include <Library/DevicePathLib.h>
+#include <Library/BaseMemoryLib.h>
+
+#define FORMSET_GUID {0xef2acc91, 0x7b50, 0x4ab9, {0xab, 0x67, 0x2b, 0x4, 0xf8, 0xbc, 0x13, 0x5e}}
+
+extern UINT8 FormBin[];
+
+#pragma pack(1)
+///
+/// HII specific Vendor Device Path definition.
+///
+typedef struct {
+ VENDOR_DEVICE_PATH VendorDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} HII_VENDOR_DEVICE_PATH;
+#pragma pack()
+
+HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath = {
+ {
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_VENDOR_DP,
+ {
+ (UINT8) (sizeof (VENDOR_DEVICE_PATH)),
+ (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
+ }
+ },
+ FORMSET_GUID
+ },
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ {
+ (UINT8) (END_DEVICE_PATH_LENGTH),
+ (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
+ }
+ }
+};
+
+
+EFI_HII_HANDLE mHiiHandle = NULL;
+EFI_HANDLE mDriverHandle = NULL;
+
+
+EFI_STATUS
+EFIAPI
+HIIFormCheckboxUnload (
+ EFI_HANDLE ImageHandle
+ )
+{
+ if (mHiiHandle != NULL)
+ HiiRemovePackages(mHiiHandle);
+
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ UINT8 EfiVarstore;
+
+ BufferSize = sizeof(UINT8);
+ Status = gRT->GetVariable(
+ L"CheckboxValue",
+ &mHiiVendorDevicePath.VendorDevicePath.Guid,
+ NULL,
+ &BufferSize,
+ &EfiVarstore);
+ if (!EFI_ERROR(Status)) {
+ Status = gRT->SetVariable(
+ L"CheckboxValue",
+ &mHiiVendorDevicePath.VendorDevicePath.Guid,
+ 0,
+ 0,
+ NULL);
+ if (EFI_ERROR(Status)) {
+ Print(L"Error! Can't delete variable! %r\n", Status);
+ }
+ }
+
+ Status = gBS->UninstallMultipleProtocolInterfaces(
+ mDriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ &mHiiVendorDevicePath,
+ NULL
+ );
+
+ return Status;
+}
+
+EFI_STATUS
+EFIAPI
+HIIFormCheckboxEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ Status = gBS->InstallMultipleProtocolInterfaces(
+ &mDriverHandle,
+ &gEfiDevicePathProtocolGuid,
+ &mHiiVendorDevicePath,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+
+ UINTN BufferSize;
+ UINT8 EfiVarstore;
+ BufferSize = sizeof(UINT8);
+ Status = gRT->GetVariable (
+ L"CheckboxValue",
+ &mHiiVendorDevicePath.VendorDevicePath.Guid,
+ NULL,
+ &BufferSize,
+ &EfiVarstore);
+ if (EFI_ERROR(Status)) {
+ ZeroMem(&EfiVarstore, sizeof(EfiVarstore));
+ Status = gRT->SetVariable(
+ L"CheckboxValue",
+ &mHiiVendorDevicePath.VendorDevicePath.Guid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ sizeof(EfiVarstore),
+ &EfiVarstore);
+ if (EFI_ERROR(Status)) {
+ Print(L"Error! Can't create variable! %r\n", Status);
+ }
+ }
+
+ mHiiHandle = HiiAddPackages(
+ &gEfiCallerIdGuid,
+ mDriverHandle,
+ HIIFormCheckboxStrings,
+ FormBin,
+ NULL
+ );
+ if (mHiiHandle == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ return EFI_SUCCESS;
+}
diff --git a/UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.inf b/UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.inf
new file mode 100644
index 0000000..4df03e8
--- /dev/null
+++ b/UefiLessonsPkg/HIIFormCheckbox/HIIFormCheckbox.inf
@@ -0,0 +1,28 @@
+##
+# Copyright (c) 2021, Konstantin Aladyshev <aladyshev22@gmail.com>
+#
+# SPDX-License-Identifier: MIT
+##
+
+[Defines]
+ INF_VERSION = 1.25
+ BASE_NAME = HIIFormCheckbox
+ FILE_GUID = 771a4631-43ba-4852-9593-919d9de079f1
+ MODULE_TYPE = UEFI_DRIVER
+ VERSION_STRING = 1.0
+ ENTRY_POINT = HIIFormCheckboxEntryPoint
+ UNLOAD_IMAGE = HIIFormCheckboxUnload
+
+[Sources]
+ HIIFormCheckbox.c
+ Strings.uni
+ Form.vfr
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+ UefiDriverEntryPoint
+ UefiLib
+ HiiLib
diff --git a/UefiLessonsPkg/HIIFormCheckbox/Strings.uni b/UefiLessonsPkg/HIIFormCheckbox/Strings.uni
new file mode 100644
index 0000000..7788773
--- /dev/null
+++ b/UefiLessonsPkg/HIIFormCheckbox/Strings.uni
@@ -0,0 +1,13 @@
+//
+// 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"
+#string CHECKBOX_PROMPT #language en-US "Checkbox prompt"
+#string CHECKBOX_HELP #language en-US "Checkbox help"