stage1/2 loaders: auto-generate binary files. Fixes #10723

build/jam/MainBuildRules

@@ -169,15 +169,19 @@ rule StaticLibraryFromObjects
 
 rule AssembleNasm
 {
-	Depends $(<) : $(>) [ on $(<) return $(PLATFORM) ] ;
+	if ! [ on $(1) return $(NASMFLAGS) ] {
+		NASMFLAGS on $(1) = -f elf32 ;
+	}
+
+	Depends $(1) : $(2) [ on $(2) return $(PLATFORM) ] ;
 }
 
 actions AssembleNasm
 {
 	if test $(ASFLAGS) ; then
-		$(HAIKU_NASM) -d $(ASFLAGS) -f elf32 -o $(1) $(2);
+		$(HAIKU_NASM) -d $(ASFLAGS) $(NASMFLAGS) -o $(1) $(2);
 	else
-		$(HAIKU_NASM) -f elf32 -o $(1) $(2);
+		$(HAIKU_NASM) $(NASMFLAGS) -o $(1) $(2);
 	fi
 }
 

src/add-ons/kernel/partitioning_systems/intel/Jamfile

@@ -2,6 +2,10 @@ SubDir HAIKU_TOP src add-ons kernel partitioning_systems intel ;
 
 UsePrivateHeaders kernel shared storage ;
 UsePrivateSystemHeaders ;
+UseHeaders [ FDirName $(HAIKU_COMMON_PLATFORM_OBJECT_DIR) bin writembr ] ;
+
+Includes [ FGristFiles PartitionMapWriter.cpp ]
+	: <src!bin!writembr>MBR.h ;
 
 KernelAddon intel :
 	intel.cpp

src/add-ons/kernel/partitioning_systems/intel/PartitionMapWriter.cpp

@@ -37,35 +37,7 @@ using std::nothrow;
 #endif
 
 
-// compiled mbr boot loader code
-static const uint8 kBootCode[] = {
-	// compiled form of //haiku/trunk/src/bin/writembr/mbr.S
-	// nasm -f bin -O5 -o mbrcode.bin mbr.S -dMBR_CODE_ONLY=1
-	// bin2h <mbrcode.bin 12
-	0xfa, 0xfc, 0x31, 0xc0, 0x8e, 0xc0, 0x8e, 0xd8, 0x8e, 0xd0, 0xbc, 0x00,
-	0x7c, 0xbf, 0x00, 0x08, 0xb9, 0x18, 0x00, 0xf3, 0xaa, 0xbe, 0x00, 0x7c,
-	0x89, 0x36, 0x0c, 0x08, 0xc6, 0x06, 0x08, 0x08, 0x10, 0xc6, 0x06, 0x0a,
-	0x08, 0x01, 0xbf, 0x00, 0x06, 0xb5, 0x01, 0xf3, 0xa5, 0xea, 0x32, 0x06,
-	0x00, 0x00, 0xfb, 0xbe, 0xbe, 0x07, 0xb0, 0x04, 0x80, 0x3c, 0x80, 0x74,
-	0x09, 0x83, 0xc6, 0x10, 0xfe, 0xc8, 0x75, 0xf4, 0xeb, 0x6d, 0x89, 0x36,
-	0x04, 0x08, 0x66, 0x8b, 0x44, 0x08, 0x66, 0xa3, 0x10, 0x08, 0x66, 0x85,
-	0xc0, 0x74, 0x27, 0xb4, 0x41, 0xbb, 0xaa, 0x55, 0xcd, 0x13, 0x72, 0x1e,
-	0xbe, 0x08, 0x08, 0xb4, 0x42, 0xcd, 0x13, 0x72, 0x15, 0x81, 0x3e, 0xfe,
-	0x7d, 0x55, 0xaa, 0x75, 0x42, 0xbe, 0xfb, 0x06, 0xe8, 0x52, 0x00, 0x8b,
-	0x36, 0x04, 0x08, 0xe9, 0x82, 0x75, 0x8b, 0x36, 0x04, 0x08, 0x8a, 0x74,
-	0x01, 0x8b, 0x4c, 0x02, 0x88, 0xc8, 0x24, 0x3f, 0x84, 0xc0, 0x74, 0x23,
-	0x3c, 0x3f, 0x75, 0x14, 0x89, 0xc8, 0xc0, 0xec, 0x06, 0x3d, 0xff, 0x03,
-	0x75, 0x0a, 0x80, 0xfe, 0xff, 0x75, 0x05, 0x80, 0xfe, 0xfe, 0x74, 0x0b,
-	0xbb, 0x00, 0x7c, 0xb0, 0x01, 0xb4, 0x02, 0xcd, 0x13, 0x73, 0xb6, 0xbe,
-	0xdf, 0x06, 0xe8, 0x10, 0x00, 0xe8, 0x08, 0x00, 0xbe, 0xd5, 0x06, 0xe8,
-	0x07, 0x00, 0xcd, 0x18, 0xb4, 0x00, 0xcd, 0x16, 0xc3, 0x31, 0xdb, 0xac,
-	0xb4, 0x0e, 0xcd, 0x10, 0x08, 0xc0, 0x75, 0xf7, 0xc3, 0x52, 0x4f, 0x4d,
-	0x20, 0x42, 0x41, 0x53, 0x49, 0x43, 0x00, 0x4e, 0x6f, 0x20, 0x62, 0x6f,
-	0x6f, 0x74, 0x61, 0x62, 0x6c, 0x65, 0x20, 0x61, 0x63, 0x74, 0x69, 0x76,
-	0x65, 0x20, 0x76, 0x6f, 0x6c, 0x75, 0x6d, 0x65, 0x0d, 0x0a, 0x00, 0x4c,
-	0x6f, 0x61, 0x64, 0x69, 0x6e, 0x67, 0x20, 0x73, 0x79, 0x73, 0x74, 0x65,
-	0x6d, 0x0a, 0x0d, 0x00
-};
+#include "MBR.h"
 
 
 bool
@@ -133,9 +105,9 @@ PartitionMapWriter::WriteMBR(const PartitionMap* map, bool writeBootCode)
 		return error;
 	if (writeBootCode) {
 		// the boot code must be small enough to fit in the code area
-		STATIC_ASSERT(sizeof(kBootCode) <= sizeof(partitionTable.code_area));
+		STATIC_ASSERT(kMBRSize <= sizeof(partitionTable.code_area));
 		partitionTable.clear_code_area();
-		partitionTable.fill_code_area(kBootCode, sizeof(kBootCode));
+		partitionTable.fill_code_area(kMBR, kMBRSize);
 	}
 
 	partitionTable.signature = kPartitionTableSectorSignature;

src/bin/writembr/Jamfile

@@ -10,19 +10,9 @@ Application writembr :
 
 # Assemble the MBR code, and convert it into a header file
 
-rule AssembleNasmBin object : source
-{
-	SEARCH on $(source) = $(SUBDIR) ;
-	MakeLocateDebug $(object) ;
-	Depends $(object) : $(source) ;
-}
+NASMFLAGS on [ FGristFiles mbr.bin ] = -f bin -O5 ;
 
-actions AssembleNasmBin
-{
-	$(HAIKU_NASM) -f bin -O5 -o $(1) $(2)
-}
-
-AssembleNasmBin [ FGristFiles mbr.bin ] : mbr.S ;
+Object [ FGristFiles mbr.bin ] : mbr.nasm ;
 
 DataFileToSourceFile [ FGristFiles MBR.h ] : [ FGristFiles mbr.bin ]
 	: kMBR : kMBRSize ;

src/system/boot/platform/bios_ia32/Jamfile

@@ -51,6 +51,6 @@ BootMergeObject boot_platform_bios_ia32.o :
 	: boot_platform_generic.a
 ;
 
-# Tell the build system to where stage1.bin can be found, so it can be used
-# elsewhere.
-SEARCH on stage1.bin = $(SUBDIR) ;
+NASMFLAGS on stage1.bin = -f bin -O5 ;
+
+Object stage1.bin : stage1.nasm ;