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# PSn00bSDK project setup file
# Part of the PSn00bSDK Project
# 2019 - 2021 Lameguy64 / Meido-Tek Productions
#
# This file does not depend on any other files (besides paths specified via
# environment variables) and may be copied for use with your projects. See the
# template directory for a makefile template.
#PREFIX ?= mipsel-none-elf
PREFIX ?= mipsel-unknown-elf
## Path setup
# PSn00bSDK library/include path setup
ifndef PSN00BSDK_LIBS
# Default assumes PSn00bSDK is in the same parent dir as this project
LIBDIRS = -L../libpsn00b
INCLUDE = -I../libpsn00b/include -I../libpsn00b/lzp
LDBASE = ../libpsn00b/ldscripts
else
LIBDIRS = -L$(PSN00BSDK_LIBS)
INCLUDE = -I$(PSN00BSDK_LIBS)/include -I$(PSN00BSDK_LIBS)/lzp
LDBASE = ${PSN00BSDK_LIBS}/ldscripts
endif
# PSn00bSDK toolchain path setup
ifndef PSN00BSDK_TC
# Default assumes GCC toolchain is in root of C drive or /usr/local
ifeq "$(OS)" "Windows_NT"
GCC_BASE ?= /c/$(PREFIX)
GCC_BIN ?=
else
GCC_BASE ?= /usr/local/$(PREFIX)
GCC_BIN ?=
endif
else
GCC_BASE ?= $(PSN00BSDK_TC)
GCC_BIN ?= $(PSN00BSDK_TC)/bin/
endif
# Autodetect GCC version by folder name (ugly but it works, lol)
#GCC_VERSION ?= 7.4.0
GCC_VERSION ?= $(word 1, $(notdir $(wildcard $(GCC_BASE)/lib/gcc/$(PREFIX)/*)))
# PSn00bSDK tools path setup (TODO)
PSN00BSDK_BIN ?=
## Commands
# GCC toolchain
CC = $(GCC_BIN)$(PREFIX)-gcc
CXX = $(GCC_BIN)$(PREFIX)-g++
AS = $(GCC_BIN)$(PREFIX)-as
AR = $(GCC_BIN)$(PREFIX)-ar
LD = $(GCC_BIN)$(PREFIX)-ld
RANLIB = $(GCC_BIN)$(PREFIX)-ranlib
OBJCOPY = $(GCC_BIN)$(PREFIX)-objcopy
NM = $(GCC_BIN)$(PREFIX)-nm
# PSn00bSDK tools + mkpsxiso
ELF2X = $(PSN00BSDK_BIN)elf2x
LZPACK = $(PSN00BSDK_BIN)lzpack
SMXLINK = $(PSN00BSDK_BIN)smxlink
MKPSXISO = $(PSN00BSDK_BIN)mkpsxiso
## Flags
# SDK libraries (IMPORTANT: don't change the order)
LIBS = -lpsxgpu -lpsxgte -lpsxspu -lpsxcd -lpsxsio -lpsxetc -lpsxapi -lc
# Common options:
# - Debugging symbols enabled
# - Wrap each symbol in a separate section
# - Optimize for R3000, no FPU, 32-bit ABI
# - Division by zero causes break opcodes to be executed
# - C standard library (including libgcc) disabled
# - C++ features that rely on runtime support disabled
AFLAGS = -g -msoft-float -march=r3000 -mtune=r3000 -mabi=32
CFLAGS = $(AFLAGS) -mdivide-breaks -O2 -ffreestanding -fno-builtin -nostdlib \
-fdata-sections -ffunction-sections -fsigned-char -fno-strict-overflow
CPPFLAGS= $(CFLAGS) -fno-exceptions -fno-rtti -fno-unwind-tables \
-fno-threadsafe-statics -fno-use-cxa-atexit
LDFLAGS = -nostdlib
# Options for static libraries (and SDK libraries):
# - GP-relative addressing disabled
# - ABI-compatible calls disabled
# - Local stripping enabled
AFLAGS_LIB = $(AFLAGS) -G0 -Wa,--strip-local-absolute
CFLAGS_LIB = $(CFLAGS) -G0 -mno-abicalls -mno-gpopt
CPPFLAGS_LIB = $(CPPFLAGS) -G0 -mno-abicalls -mno-gpopt
# Options for executables without support for dynamic linking:
# - Position-independent code disabled
# - GP-relative addressing enabled only for local symbols
# - ABI-compatible calls disabled (incompatible with GP-relative addressing)
# - Unused section stripping enabled
AFLAGS_EXE = $(AFLAGS) -G8
CFLAGS_EXE = $(CFLAGS) -G8 -mno-abicalls -mgpopt -mno-extern-sdata
CPPFLAGS_EXE = $(CPPFLAGS) -G8 -mno-abicalls -mgpopt -mno-extern-sdata
LDFLAGS_EXE = $(LDFLAGS) -G8 -static -T$(LDBASE)/exe.ld -gc-sections
# Options for executables with support for dynamic linking:
# - Position-independent code disabled
# - GP-relative addressing disabled
# - ABI-compatible calls disabled (must be done manually)
# - Unused section stripping enabled
AFLAGS_EXEDYN = $(AFLAGS) -G0
CFLAGS_EXEDYN = $(CFLAGS) -G0 -mno-abicalls -mno-gpopt
CPPFLAGS_EXEDYN = $(CPPFLAGS) -G0 -mno-abicalls -mno-gpopt
LDFLAGS_EXEDYN = $(LDFLAGS) -G0 -static -T$(LDBASE)/exe.ld -gc-sections
# Options for dynamically-loaded libraries:
# - Position-independent code enabled
# - GP-relative addressing disabled (incompatible with ABI calls)
# - ABI-compatible calls enabled
# - Unused section stripping not available
AFLAGS_DLL = $(AFLAGS) -G0
CFLAGS_DLL = $(CFLAGS) -G0 -mabicalls -mshared -mno-gpopt -fPIC
CPPFLAGS_DLL = $(CPPFLAGS) -G0 -mabicalls -mshared -mno-gpopt -fPIC
LDFLAGS_DLL = $(LDFLAGS) -G0 -shared -T$(LDBASE)/dll.ld
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