import from github

libagbsyscall/Makefile

@@ -0,0 +1,114 @@
+TOOLCHAIN := $(DEVKITARM)
+COMPARE ?= 0
+
+# don't use dkP's base_tools anymore
+# because the redefinition of $(CC) conflicts
+# with when we want to use $(CC) to preprocess files
+# thus, manually create the variables for the bin
+# files, or use arm-none-eabi binaries on the system
+# if dkP is not installed on this system
+
+ifneq (,$(TOOLCHAIN))
+ifneq ($(wildcard $(TOOLCHAIN)/bin),)
+export PATH := $(TOOLCHAIN)/bin:$(PATH)
+endif
+endif
+
+PREFIX := arm-none-eabi-
+OBJCOPY := $(PREFIX)objcopy
+AS := $(PREFIX)as
+LD := $(PREFIX)ld
+AR := $(PREFIX)ar
+
+# note: the makefile must be set up so MODERNCC is never called
+# if MODERN=0
+MODERNCC := $(PREFIX)gcc
+
+ifeq ($(OS),Windows_NT)
+EXE := .exe
+else
+EXE :=
+endif
+
+# use arm-none-eabi-cpp for macOS
+# as macOS's default compiler is clang
+# and clang's preprocessor will warn on \u
+# when preprocessing asm files, expecting a unicode literal
+# we can't unconditionally use arm-none-eabi-cpp
+# as installations which install binutils-arm-none-eabi
+# don't come with it
+ifneq ($(MODERN),1)
+  ifeq ($(shell uname -s),Darwin)
+    CPP := $(PREFIX)cpp
+  else
+    CPP := $(CC) -E
+  endif
+else
+  CPP := $(PREFIX)cpp
+endif
+
+ASFLAGS := -mcpu=arm7tdmi
+ARFLAGS := rc
+
+SYSCALLS := IntrWait \
+            RegisterRamReset \
+            Sqrt \
+            MusicPlayerOpen \
+            SoundBiasReset \
+            SoundDriverVSyncOn \
+            Mod \
+            VBlankIntrWait \
+            MusicPlayerStart \
+            SoundDriverVSyncOff \
+            HuffUnComp \
+            SoftResetExram \
+            MusicPlayerFadeOut \
+            LZ77UnCompWram \
+            SoundDriverMain \
+            SoundBiasChange \
+            LZ77UnCompVram \
+            ArcTan2 \
+            MusicPlayerStop \
+            DivArm \
+            ModArm \
+            SoundDriverVSync \
+            SoundDriverInit \
+            BgAffineSet \
+            Diff8bitUnFilterWram \
+            MultiBoot \
+            MidiKey2Freq \
+            Div \
+            Diff8bitUnFilterVram \
+            ArcTan \
+            ObjAffineSet \
+            SoftResetRom \
+            SoundDriverMode \
+            RLUnCompWram \
+            BitUnPack \
+            SoundChannelClear \
+            CpuFastSet \
+            CpuSet \
+            Diff16bitUnFilter \
+            SoundBiasSet \
+            MusicPlayerContinue \
+            SoftReset \
+            RLUnCompVram
+
+ASM_SRCS := libagbsyscall.s
+ASM_OBJS := $(foreach syscall, $(SYSCALLS), $(syscall).o)
+
+LIB := libagbsyscall.a
+
+.PHONY: all clean
+
+all: $(LIB)
+	@:
+
+clean:
+	rm -f $(LIB) $(ASM_OBJS)
+
+$(LIB): $(ASM_OBJS)
+	$(AR) $(ARFLAGS) $@ $^
+
+$(ASM_OBJS): libagbsyscall.s
+	$(AS) $(ASFLAGS) --defsym L_$(*F)=1 -o $@ $<