1 files changed, 114 insertions, 0 deletions
diff --git a/Kernel/KernelKit/PEF.hpp b/Kernel/KernelKit/PEF.hpp
new file mode 100644
index 00000000..77fa4f62
--- /dev/null
+++ b/Kernel/KernelKit/PEF.hpp
@@ -0,0 +1,114 @@
+/* -------------------------------------------
+
+    Copyright SoftwareLabs
+
+    File: PEF.hpp
+    Purpose: Preferred Executable Format for NewOS.
+
+    Revision History:
+
+    ?/?/23: Added file (amlel)
+
+------------------------------------------- */
+
+#ifndef __PEF__
+#define __PEF__
+
+#include <CompilerKit/CompilerKit.hxx>
+#include <KernelKit/LoaderInterface.hpp>
+#include <NewKit/Defines.hpp>
+
+#define kPefMagic	 "Joy!"
+#define kPefMagicFat "yoJ!"
+
+#define kPefMagicLen 5
+
+#define kPefVersion 1
+#define kPefNameLen 255
+
+namespace NewOS
+{
+	enum
+	{
+		kPefArchIntel86S,
+		kPefArchAMD64,
+		kPefArchRISCV,
+		kPefArch64x0, /* 64x0. ISA */
+		kPefArch32x0, /* 32x0. ISA */
+		kPefArchPowerPC,
+		kPefArchCount	= (kPefArchPowerPC - kPefArchIntel86S) + 1,
+		kPefArchInvalid = 0xFF,
+	};
+
+	enum
+	{
+		kPefSubArchAMD,
+		kPefSubArchIntel,
+		kPefSubArchARM,
+		kPefSubArchIBM,
+	};
+
+	enum
+	{
+		kPefKindExec		 = 1, /* .exe */
+		kPefKindSharedObject = 2, /* .lib */
+		kPefKindObject		 = 4, /* .obj */
+		kPefKindDebug		 = 5, /* .dbg */
+		kPefKindDriver		 = 6,
+		kPefKindCount,
+	};
+
+	typedef struct PEFContainer final
+	{
+		Char	Magic[kPefMagicLen];
+		UInt32	Linker;
+		UInt32	Version;
+		UInt32	Kind;
+		UInt32	Abi;
+		UInt32	Cpu;
+		UInt32	SubCpu; /* Cpu specific information */
+		UIntPtr Start;
+		SizeT	HdrSz; /* Size of header */
+		SizeT	Count; /* container header count */
+	} PACKED PEFContainer;
+
+	/* First PEFCommandHeader starts after PEFContainer */
+	/* Last container is __exec_end */
+
+	/* PEF executable section and commands. */
+
+	typedef struct PEFCommandHeader final
+	{
+		Char	Name[kPefNameLen]; /* container name */
+		UInt32	Cpu;			   /* container cpu */
+		UInt32	SubCpu;			   /* container sub-cpu */
+		UInt32	Flags;			   /* container flags */
+		UInt16	Kind;			   /* container kind */
+		UIntPtr Offset;			   /* content offset */
+		SizeT	Size;			   /* content Size */
+	} PACKED PEFCommandHeader;
+
+	enum
+	{
+		kPefCode	 = 0xC,
+		kPefData	 = 0xD,
+		kPefZero	 = 0xE,
+		kPefLinkerID = 0x1,
+	};
+} // namespace NewOS
+
+#define kPefExt		  ".exec"
+#define kPefDylibExt  ".lib"
+#define kPefLibExt	  ".slib"
+#define kPefObjectExt ".obj"
+#define kPefDebugExt  ".dbg"
+
+// NewOS System Binary Interface.
+#define kPefAbi (0x5046)
+
+#define kPefStart "__ImageStart"
+
+#define kPefForkKind	kPefMagic
+#define kPefForkKindFAT kPefMagicFat
+
+#endif /* ifndef __PEF__ */