From d1870ddbd097de0ff955ff25453e515329e61bfb Mon Sep 17 00:00:00 2001
From: a1ive <10670106+a1ive@users.noreply.github.com>
Date: Thu, 20 Feb 2025 16:09:59 +0900
Subject: [PATCH] remove sbat

---
 Makefile       |  4 ----
 docs/faq.md    |  4 ++++
 kern/efimain.c | 21 ---------------------
 script.lds     | 12 ------------
 4 files changed, 4 insertions(+), 37 deletions(-)

diff --git a/Makefile b/Makefile
index abe74c4..c79d6ee 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,6 @@
 # Versioning information
 #
 VERSION := v3.0.4
-WIMBOOT_VERSION := v2.8.0
-SBAT_GENERATION := 1
 
 # Abstract target-independent objects
 #
@@ -97,8 +95,6 @@ OBJCOPY_arm64	?= $(CROSS_arm64)$(OBJCOPY)
 CFLAGS		+= -Os -ffreestanding -Wall -W -Werror
 CFLAGS		+= -nostdinc -Iinclude/ -fshort-wchar
 CFLAGS		+= -DVERSION="\"$(VERSION)\""
-CFLAGS		+= -DWIMBOOT_VERSION="\"$(WIMBOOT_VERSION)\""
-CFLAGS		+= -DSBAT_GENERATION="\"$(SBAT_GENERATION)\""
 CFLAGS		+= -include compiler.h
 ifneq ($(DEBUG),)
 CFLAGS		+= -DDEBUG=$(DEBUG)
diff --git a/docs/faq.md b/docs/faq.md
index acf463e..2b0d36c 100644
--- a/docs/faq.md
+++ b/docs/faq.md
@@ -1,5 +1,9 @@
 ## FAQ
 
+### Does Ntloader support secure boot?
+
+**NO.**
+
 ### 0xc0000001 error occurs when booting VHD/VHDX
 
 ![vhd_error](./images/vhd_error.png)
diff --git a/kern/efimain.c b/kern/efimain.c
index 14e9702..cfa8a6b 100644
--- a/kern/efimain.c
+++ b/kern/efimain.c
@@ -27,27 +27,6 @@
 #include "efidisk.h"
 #include "efi/Protocol/LoadedImage.h"
 
-/** SBAT section attributes */
-#define __sbat __attribute__ ((section (".sbat"), aligned (512)))
-
-/** SBAT metadata */
-#define SBAT_CSV							\
-	/* SBAT version */						\
-	"sbat,1,SBAT Version,sbat,1,"					\
-	"https://github.com/rhboot/shim/blob/main/SBAT.md"		\
-	"\n"								\
-	/* wimboot version */						\
-	"wimboot," SBAT_GENERATION ",iPXE,wimboot," WIMBOOT_VERSION ","		\
-	"https://ipxe.org/wimboot"					\
-	"\n"								\
-	/* ntloader version */						\
-	"ntloader," SBAT_GENERATION ",a1ive,ntloader," VERSION ","		\
-	"https://github.com/grub4dos/ntloader"		\
-	"\n"
-
-/** SBAT metadata (with no terminating NUL) */
-const char sbat[ sizeof (SBAT_CSV) - 1 ] __sbat = SBAT_CSV;
-
 /**
  * Process command line
  *
diff --git a/script.lds b/script.lds
index 1fc7528..514c3d4 100644
--- a/script.lds
+++ b/script.lds
@@ -134,18 +134,6 @@ SECTIONS {
 	}
 	_bcd_len = ABSOLUTE ( _ebcd ) - ABSOLUTE ( _bcd );
 
-	/* Secure Boot Advanced Targeting (SBAT) section */
-	_sbat_pos = ( _bcd_pos + _bcd_len );
-	.sbat : AT ( _sbat_pos ) {
-		_sbat = .;
-		*(.sbat)
-		*(.sbat.*)
-		_esbat = .;
-		ASSERT ( ABSOLUTE ( . ) <= ABSOLUTE ( _ebda_start ),
-			 "Binary is too large (overlap the EBDA)" );
-	}
-	_sbat_len = ABSOLUTE ( _esbat ) - ABSOLUTE ( _sbat );
-
 	_end = .;
 
 	/* Symbols required by i386.x86_64 objects */