change: Use ELF toolchain and iopfixup to build IRX

Author: uyjulian

Defs.make

@@ -30,7 +30,7 @@ EE_PKG_CONFIG ?= $(EE_TOOL_PREFIX)pkg-config
 # Defintions for the IOP toolchain.
 #
 
-IOP_TOOL_PREFIX ?= mipsel-ps2-irx-
+IOP_TOOL_PREFIX ?= mipsel-none-elf-
 IOP_CC ?= $(IOP_TOOL_PREFIX)gcc
 IOP_AS ?= $(IOP_TOOL_PREFIX)as
 IOP_LD ?= $(IOP_TOOL_PREFIX)ld

iop/Rules.make

@@ -40,7 +40,7 @@ ifeq ($(DEBUG),1)
 IOP_CFLAGS += -DDEBUG
 endif
 # Linker flags
-IOP_LDFLAGS := -nostdlib -s $(IOP_LDFLAGS)
+IOP_LDFLAGS := -nostdlib -dc -r $(IOP_LDFLAGS)
 
 # Additional C compiler flags for GCC >=v5.3.0
 # -msoft-float is to "remind" GCC/Binutils that the soft-float ABI is to be used. This is due to a bug, which
@@ -69,8 +69,17 @@ endif
 # Assembler flags
 IOP_ASFLAGS := $(ASFLAGS_TARGET) -EL -G0 $(IOP_ASFLAGS)
 
+# Default link file
+ifeq ($(IOP_LINKFILE),)
+IOP_LINKFILE := $(PS2SDKSRC)/iop/startup/src/linkfile
+endif
+
 IOP_OBJS := $(IOP_OBJS:%=$(IOP_OBJS_DIR)%)
 
+IOP_BIN_ELF := $(IOP_BIN:.irx=.notiopmod.elf)
+
+IOP_BIN_STRIPPED_ELF := $(IOP_BIN:.irx=.notiopmod.stripped.elf)
+
 # Externally defined variables: IOP_BIN, IOP_OBJS, IOP_LIB
 
 # These macros can be used to simplify certain build rules.
@@ -95,6 +104,9 @@ $(IOP_OBJS_DIR)%.o: $(IOP_SRC_DIR)%.s
 
 .INTERMEDIATE:: $(IOP_LIB)_tmp$(MAKE_CURPID) $(IOP_OBJS_DIR)build-imports.c $(IOP_OBJS_DIR)build-exports.c
 
+$(PS2SDKSRC)/tools/srxfixup/bin/srxfixup: $(PS2SDKSRC)/tools/srxfixup
+	$(MAKEREC) $<
+
 $(IOP_OBJS_DIR)template-imports.h:
 	$(DIR_GUARD)
 	$(PRINTF) '%s\n' "#include \"irx_imports.h\"" > $@
@@ -121,9 +133,16 @@ $(IOP_OBJS_DIR)exports.o: $(IOP_OBJS_DIR)build-exports.c
 	$(DIR_GUARD)
 	$(IOP_C_COMPILE) $(IOP_IETABLE_CFLAGS) -c $< -o $@
 
-$(IOP_BIN): $(IOP_OBJS) $(IOP_LIB_ARCHIVES) $(IOP_ADDITIONAL_DEPS)
+$(IOP_BIN_ELF): $(IOP_OBJS) $(IOP_LIB_ARCHIVES) $(IOP_ADDITIONAL_DEPS)
+	$(DIR_GUARD)
+	$(IOP_C_COMPILE) -T$(IOP_LINKFILE) $(IOP_OPTFLAGS) -o $@ $(IOP_OBJS) $(IOP_LDFLAGS) $(IOP_LIB_ARCHIVES) $(IOP_LIBS)
+
+$(IOP_BIN_STRIPPED_ELF): $(IOP_BIN_ELF)
 	$(DIR_GUARD)
-	$(IOP_C_COMPILE) $(IOP_OPTFLAGS) -o $(IOP_BIN) $(IOP_OBJS) $(IOP_LDFLAGS) $(IOP_LIB_ARCHIVES) $(IOP_LIBS)
+	$(IOP_STRIP) --strip-unneeded --remove-section=.pdr --remove-section=.comment --remove-section=.mdebug.abi32 --remove-section=.gnu.attributes -o $@ $<
+
+$(IOP_BIN): $(IOP_BIN_STRIPPED_ELF) $(PS2SDKSRC)/tools/srxfixup/bin/srxfixup
+	$(PS2SDKSRC)/tools/srxfixup/bin/srxfixup --irx1 -o $@ $<
 
 $(IOP_LIB)_tmp$(MAKE_CURPID): $(IOP_OBJS)
 	$(DIR_GUARD)

iop/startup/Makefile

@@ -24,5 +24,5 @@ release:
 	@$(PRINTF) 'Installing %slinkfile into %s/iop/startup\n' $(IOP_SRC_DIR) $(PS2SDK)
 	$(ECHO) Installing $(IOP_SRC_DIR)linkfile into $(PS2SDK)/iop/startup
 	cp -f $(IOP_SRC_DIR)linkfile $(PS2SDK)/iop/startup
-	@$(ECHO) Installing $(IOP_OBJS_DIR)crt0.o into $(PS2DEV)/ee/mipsel-ps2-irx/lib
-	cp -f $(IOP_OBJS_DIR)crt0.o $(PS2DEV)/iop/mipsel-ps2-irx/lib
+	@$(ECHO) Installing $(IOP_OBJS_DIR)crt0.o into $(PS2DEV)/iop/mipsel-none-elf/lib
+	cp -f $(IOP_OBJS_DIR)crt0.o $(PS2DEV)/iop/mipsel-none-elf/lib

samples/Makefile.iopglobal_sample

@@ -38,7 +38,7 @@ IOP_DBGINFOFLAGS ?= -gdwarf-2 -gz
 #   for finer-grained control over what goes into each IRX.
 IOP_CFLAGS := -D_IOP -fno-builtin -G0 $(IOP_OPTFLAGS) $(IOP_WARNFLAGS) $(IOP_DBGINFOFLAGS) $(IOP_INCS) $(IOP_CFLAGS)
 # linker flags
-IOP_LDFLAGS := -nostdlib -s $(IOP_LDFLAGS)
+IOP_LDFLAGS := -nostdlib -dc -r $(IOP_LDFLAGS)
 
 # Additional C compiler flags for GCC >=v5.3.0
 # -msoft-float is to "remind" GCC/Binutils that the soft-float ABI is to be used. This is due to a bug, which
@@ -67,8 +67,17 @@ endif
 # Assembler flags
 IOP_ASFLAGS := $(ASFLAGS_TARGET) -EL -G0 $(IOP_ASFLAGS)
 
+# Default link file
+ifeq ($(IOP_LINKFILE),)
+IOP_LINKFILE := $(PS2SDK)/iop/startup/linkfile
+endif
+
 IOP_OBJS := $(IOP_OBJS:%=$(IOP_OBJS_DIR)%)
 
+IOP_BIN_ELF := $(IOP_BIN:.irx=.notiopmod.elf)
+
+IOP_BIN_STRIPPED_ELF := $(IOP_BIN:.irx=.notiopmod.stripped.elf)
+
 # Externally defined variables: IOP_BIN, IOP_OBJS, IOP_LIB
 
 # These macros can be used to simplify certain build rules.
@@ -110,9 +119,17 @@ $(IOP_OBJS_DIR)exports.o: $(IOP_OBJS_DIR)build-exports.c
 	$(DIR_GUARD)
 	$(IOP_C_COMPILE) $(IOP_IETABLE_CFLAGS) -c $< -o $@
 
-$(IOP_BIN): $(IOP_OBJS)
+$(IOP_BIN_ELF): $(IOP_OBJS)
+	$(DIR_GUARD)
+	$(IOP_C_COMPILE) -T$(IOP_LINKFILE) $(IOP_OPTFLAGS) -o $@ $(IOP_OBJS) $(IOP_LDFLAGS) $(IOP_LIBS)
+
+$(IOP_BIN_STRIPPED_ELF): $(IOP_BIN_ELF)
+	$(DIR_GUARD)
+	$(IOP_STRIP) --strip-unneeded --remove-section=.pdr --remove-section=.comment --remove-section=.mdebug.abi32 --remove-section=.gnu.attributes -o $@ $<
+
+$(IOP_BIN): $(IOP_BIN_STRIPPED_ELF)
 	$(DIR_GUARD)
-	$(IOP_C_COMPILE) $(IOP_OPTFLAGS) -o $(IOP_BIN) $(IOP_OBJS) $(IOP_LDFLAGS) $(IOP_LIBS)
+	iopfixup --irx1 -o $@ $<
 
 $(IOP_LIB): $(IOP_OBJS)
 	$(DIR_GUARD)

samples/Makefile.pref_sample

@@ -29,7 +29,7 @@ EE_RANLIB ?= $(EE_TOOL_PREFIX)ranlib
 # Defintions for the IOP toolchain.
 #
 
-IOP_TOOL_PREFIX ?= mipsel-ps2-irx-
+IOP_TOOL_PREFIX ?= mipsel-none-elf-
 IOP_CC ?= $(IOP_TOOL_PREFIX)gcc
 IOP_AS ?= $(IOP_TOOL_PREFIX)as
 IOP_LD ?= $(IOP_TOOL_PREFIX)ld

samples/ps2dev_iop.cmake

@@ -25,8 +25,8 @@ endif()
 SET(CMAKE_SYSTEM_NAME Generic)
 SET(CMAKE_SYSTEM_VERSION 1)
 SET(CMAKE_SYSTEM_PROCESSOR mips)
-SET(CMAKE_C_COMPILER mipsel-ps2-irx-gcc)
-SET(CMAKE_CXX_COMPILER mipsel-ps2-irx-g++)
+SET(CMAKE_C_COMPILER mipsel-none-elf-gcc)
+SET(CMAKE_CXX_COMPILER mipsel-none-elf-g++)
 SET(CMAKE_C_COMPILER_WORKS 1) #Hack by f0bes
 SET(CMAKE_CXX_COMPILER_WORKS 1) #Hack by f0bes