From 0c5b8bae03490ace5412f99adecb257aa961709e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20=C5=BBygowski?= <michal.zygowski@3mdeb.com>
Date: Tue, 28 Jan 2025 13:07:15 +0100
Subject: [PATCH] FSDrivers: Do not load FS drivers on fast boot path
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Use a depex file containing a NOT gDasharoFastBootPolicyGuid to
prevent loading the module if fast boot is enabled.

Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
---
 DasharoPayloadPkg/DasharoPayloadPkg.fdf | 8 ++++++++
 FSDrivers/exfat.inf                     | 3 ++-
 FSDrivers/ext2.inf                      | 3 ++-
 FSDrivers/ext4.inf                      | 3 ++-
 FSDrivers/fs_depex.depex                | 1 +
 FSDrivers/ntfs.inf                      | 4 ++--
 6 files changed, 17 insertions(+), 5 deletions(-)
 create mode 100644 FSDrivers/fs_depex.depex

diff --git a/DasharoPayloadPkg/DasharoPayloadPkg.fdf b/DasharoPayloadPkg/DasharoPayloadPkg.fdf
index 76f5f44783..46095f382a 100644
--- a/DasharoPayloadPkg/DasharoPayloadPkg.fdf
+++ b/DasharoPayloadPkg/DasharoPayloadPkg.fdf
@@ -470,6 +470,14 @@ INF  MdeModulePkg/Universal/EsrtDxe/EsrtDxe.inf
     VERSION   STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
   }
 
+[Rule.Common.UEFI_DRIVER.BINARY]
+  FILE DRIVER = $(NAMED_GUID) {
+    DXE_DEPEX DXE_DEPEX Optional      |.depex
+    PE32      PE32                    |.efi
+    UI        STRING="$(MODULE_NAME)" Optional
+    VERSION   STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
+  }
+
 [Rule.Common.UEFI_APPLICATION]
   FILE APPLICATION = $(NAMED_GUID) {
     PE32     PE32                    $(INF_OUTPUT)/$(MODULE_NAME).efi
diff --git a/FSDrivers/exfat.inf b/FSDrivers/exfat.inf
index caf940cfda..0677c0a955 100644
--- a/FSDrivers/exfat.inf
+++ b/FSDrivers/exfat.inf
@@ -20,8 +20,9 @@ VALID_ARCHITECTURES           = X64 IA32
 
 [Binaries.X64]
   PE32|X64/exfat_x64.efi|*
+  DXE_DEPEX|fs_depex.depex|*
 
 [Binaries.IA32]
   PE32|IA32/exfat_ia32.efi|*
-
+  DXE_DEPEX|fs_depex.depex|*
 
diff --git a/FSDrivers/ext2.inf b/FSDrivers/ext2.inf
index 67a985e385..5df6c98b47 100644
--- a/FSDrivers/ext2.inf
+++ b/FSDrivers/ext2.inf
@@ -19,7 +19,8 @@ VALID_ARCHITECTURES           = X64 IA32
 
 [Binaries.X64]
   PE32|X64/ext2_x64.efi|*
+  DXE_DEPEX|fs_depex.depex|*
 
 [Binaries.IA32]
   PE32|IA32/ext2_ia32.efi|*
-
+  DXE_DEPEX|fs_depex.depex|*
diff --git a/FSDrivers/ext4.inf b/FSDrivers/ext4.inf
index c9d0807251..04a92880ec 100644
--- a/FSDrivers/ext4.inf
+++ b/FSDrivers/ext4.inf
@@ -19,7 +19,8 @@ VALID_ARCHITECTURES           = X64 IA32
 
 [Binaries.X64]
   PE32|X64/ext4_x64.efi|*
+  DXE_DEPEX|fs_depex.depex|*
 
 [Binaries.IA32]
   PE32|IA32/ext4_ia32.efi|*
-
+  DXE_DEPEX|fs_depex.depex|*
diff --git a/FSDrivers/fs_depex.depex b/FSDrivers/fs_depex.depex
new file mode 100644
index 0000000000..94d1d899f7
--- /dev/null
+++ b/FSDrivers/fs_depex.depex
@@ -0,0 +1 @@
+m¹…Hñ½mI¼=>yWtÍ@
\ No newline at end of file
diff --git a/FSDrivers/ntfs.inf b/FSDrivers/ntfs.inf
index 804f655cd7..10b0111388 100644
--- a/FSDrivers/ntfs.inf
+++ b/FSDrivers/ntfs.inf
@@ -20,8 +20,8 @@ VALID_ARCHITECTURES           = X64 IA32
 
 [Binaries.X64]
   PE32|X64/ntfs_x64.efi|*
+  DXE_DEPEX|fs_depex.depex|*
 
 [Binaries.IA32]
   PE32|IA32/ntfs_ia32.efi|*
-
-
+  DXE_DEPEX|fs_depex.depex|*