diff options
Diffstat (limited to 'libagbsyscall')
| -rw-r--r-- | libagbsyscall/Makefile | 98 | ||||
| -rw-r--r-- | libagbsyscall/libagbsyscall.s | 435 |
2 files changed, 533 insertions, 0 deletions
diff --git a/libagbsyscall/Makefile b/libagbsyscall/Makefile new file mode 100644 index 0000000..911cdb2 --- /dev/null +++ b/libagbsyscall/Makefile @@ -0,0 +1,98 @@ +TOOLCHAIN := $(DEVKITARM) +COMPARE ?= 0 + +ifeq ($(CC),) +HOSTCC := gcc +else +HOSTCC := $(CC) +endif + +ifeq ($(CXX),) +HOSTCXX := g++ +else +HOSTCXX := $(CXX) +endif + +ifneq (,$(wildcard $(TOOLCHAIN)/base_tools)) +include $(TOOLCHAIN)/base_tools +else +export PATH := $(TOOLCHAIN)/bin:$(PATH) +PREFIX := arm-none-eabi- +OBJCOPY := $(PREFIX)objcopy +export CC := $(PREFIX)gcc +export AS := $(PREFIX)as +endif +export CPP := $(PREFIX)cpp +export LD := $(PREFIX)ld + +ifeq ($(OS),Windows_NT) +EXE := .exe +else +EXE := +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 $@ $< diff --git a/libagbsyscall/libagbsyscall.s b/libagbsyscall/libagbsyscall.s new file mode 100644 index 0000000..0c90da9 --- /dev/null +++ b/libagbsyscall/libagbsyscall.s @@ -0,0 +1,435 @@ + .include "../constants/gba_constants.inc" + .include "../asm/macros/function.inc" + + .syntax unified + + .text + + .set SOFT_RESET_DIRECT_BUF, 0x03007FFA + .set USER_STACK, 0x03007F00 + .set RESET_EX_WRAM_FLAG, 0x1 + + .ifdef NO_GRANULAR_AGBSYSCALL + .set L_IntrWait, 1 + .set L_RegisterRamReset, 1 + .set L_Sqrt, 1 + .set L_MusicPlayerOpen, 1 + .set L_SoundBiasReset, 1 + .set L_SoundDriverVSyncOn, 1 + .set L_Mod, 1 + .set L_VBlankIntrWait, 1 + .set L_MusicPlayerStart, 1 + .set L_SoundDriverVSyncOff, 1 + .set L_HuffUnComp, 1 + .set L_SoftResetExram, 1 + .set L_MusicPlayerFadeOut, 1 + .set L_LZ77UnCompWram, 1 + .set L_SoundDriverMain, 1 + .set L_SoundBiasChange, 1 + .set L_LZ77UnCompVram, 1 + .set L_ArcTan2, 1 + .set L_MusicPlayerStop, 1 + .set L_DivArm, 1 + .set L_ModArm, 1 + .set L_SoundDriverVSync, 1 + .set L_SoundDriverInit, 1 + .set L_BgAffineSet, 1 + .set L_Diff8bitUnFilterWram, 1 + .set L_MultiBoot, 1 + .set L_MidiKey2Freq, 1 + .set L_Div, 1 + .set L_Diff8bitUnFilterVram, 1 + .set L_ArcTan, 1 + .set L_ObjAffineSet, 1 + .set L_SoftResetRom, 1 + .set L_SoundDriverMode, 1 + .set L_RLUnCompWram, 1 + .set L_BitUnPack, 1 + .set L_SoundChannelClear, 1 + .set L_CpuFastSet, 1 + .set L_CpuSet, 1 + .set L_Diff16bitUnFilter, 1 + .set L_SoundBiasSet, 1 + .set L_MusicPlayerContinue, 1 + .set L_SoftReset, 1 + .set L_RLUnCompVram, 1 + .endif + + .ifdef L_IntrWait + thumb_func_start IntrWait +IntrWait: + movs r2, #0 + svc #4 + bx lr + thumb_func_end IntrWait + .endif + + .ifdef L_RegisterRamReset + thumb_func_start RegisterRamReset +RegisterRamReset: + svc #1 + bx lr + thumb_func_end RegisterRamReset + .endif + + .ifdef L_Sqrt + thumb_func_start Sqrt +Sqrt: + svc #8 + bx lr + thumb_func_end Sqrt + .endif + + .ifdef L_MusicPlayerOpen + thumb_func_start MusicPlayerOpen +MusicPlayerOpen: + svc #32 + bx lr + thumb_func_end MusicPlayerOpen + .endif + + .ifdef L_SoundBiasReset + thumb_func_start SoundBiasReset +SoundBiasReset: + movs r0, #0 + svc #25 + bx lr + thumb_func_end SoundBiasReset + .endif + + .ifdef L_SoundDriverVSyncOn + thumb_func_start SoundDriverVSyncOn +SoundDriverVSyncOn: + svc #41 + bx lr + thumb_func_end SoundDriverVSyncOn + .endif + + .ifdef L_Mod + thumb_func_start Mod +Mod: + svc #6 + adds r0, r1, #0 + bx lr + thumb_func_end Mod + .endif + + .ifdef L_VBlankIntrWait + thumb_func_start VBlankIntrWait +VBlankIntrWait: + movs r2, #0 + svc #5 + bx lr + thumb_func_end VBlankIntrWait + .endif + + .ifdef L_MusicPlayerStart + thumb_func_start MusicPlayerStart +MusicPlayerStart: + svc #33 + bx lr + thumb_func_end MusicPlayerStart + .endif + + .ifdef L_SoundDriverVSyncOff + thumb_func_start SoundDriverVSyncOff +SoundDriverVSyncOff: + svc #40 + bx lr + thumb_func_end SoundDriverVSyncOff + .endif + + .ifdef L_HuffUnComp + thumb_func_start HuffUnComp +HuffUnComp: + svc #19 + bx lr + thumb_func_end HuffUnComp + .endif + + .ifdef L_SoftResetExram + thumb_func_start SoftResetExram +SoftResetExram: + ldr r3, =REG_IME + movs r2, #0 + strb r2, [r3, #0] + ldr r3, =SOFT_RESET_DIRECT_BUF + movs r2, #1 + strb r2, [r3, #0] + subs r3, #SOFT_RESET_DIRECT_BUF - USER_STACK + mov sp, r3 + movs r2, #RESET_EX_WRAM_FLAG + bics r0, r2 + svc #1 + svc #0 + .pool + thumb_func_end SoftResetExram + .endif + + .ifdef L_MusicPlayerFadeOut + thumb_func_start MusicPlayerFadeOut +MusicPlayerFadeOut: + svc #36 + bx lr + thumb_func_end MusicPlayerFadeOut + .endif + + .ifdef L_LZ77UnCompWram + thumb_func_start LZ77UnCompWram +LZ77UnCompWram: + svc #17 + bx lr + thumb_func_end LZ77UnCompWram + .endif + + .ifdef L_SoundDriverMain + thumb_func_start SoundDriverMain +SoundDriverMain: + svc #28 + bx lr + thumb_func_end SoundDriverMain + .endif + + .ifdef L_SoundBiasChange + thumb_func_start SoundBiasChange +SoundBiasChange: + svc #25 + bx lr + thumb_func_end SoundBiasChange + .endif + + .ifdef L_LZ77UnCompVram + thumb_func_start LZ77UnCompVram +LZ77UnCompVram: + svc #18 + bx lr + thumb_func_end LZ77UnCompVram + .endif + + .ifdef L_ArcTan2 + thumb_func_start ArcTan2 +ArcTan2: + svc #10 + bx lr + thumb_func_end ArcTan2 + .endif + + .ifdef L_MusicPlayerStop + thumb_func_start MusicPlayerStop +MusicPlayerStop: + svc #34 + bx lr + thumb_func_end MusicPlayerStop + .endif + + .ifdef L_DivArm + thumb_func_start DivArm +DivArm: + svc #7 + bx lr + thumb_func_end DivArm + .endif + + .ifdef L_ModArm + thumb_func_start ModArm +ModArm: + svc #7 + adds r0, r1, #0 + bx lr + thumb_func_end ModArm + .endif + + .ifdef L_SoundDriverVSync + thumb_func_start SoundDriverVSync +SoundDriverVSync: + svc #29 + bx lr + thumb_func_end SoundDriverVSync + .endif + + .ifdef L_SoundDriverInit + thumb_func_start SoundDriverInit +SoundDriverInit: + svc #26 + bx lr + thumb_func_end SoundDriverInit + .endif + + .ifdef L_BgAffineSet + thumb_func_start BgAffineSet +BgAffineSet: + svc #14 + bx lr + thumb_func_end BgAffineSet + .endif + + .ifdef L_Diff8bitUnFilterWram + thumb_func_start Diff8bitUnFilterWram +Diff8bitUnFilterWram: + svc #22 + bx lr + thumb_func_end Diff8bitUnFilterWram + .endif + + .ifdef L_MultiBoot + thumb_func_start MultiBoot +MultiBoot: + movs r1, #1 + svc #37 + bx lr + thumb_func_end MultiBoot + .endif + + .ifdef L_MidiKey2Freq + thumb_func_start MidiKey2Freq +MidiKey2Freq: + svc #31 + bx lr + thumb_func_end MidiKey2Freq + .endif + + .ifdef L_Div + thumb_func_start Div +Div: + svc #6 + bx lr + thumb_func_end Div + .endif + + .ifdef L_Diff8bitUnFilterVram + thumb_func_start Diff8bitUnFilterVram +Diff8bitUnFilterVram: + svc #23 + bx lr + thumb_func_end Diff8bitUnFilterVram + .endif + + .ifdef L_ArcTan + thumb_func_start ArcTan +ArcTan: + svc #9 + bx lr + thumb_func_end ArcTan + .endif + + .ifdef L_ObjAffineSet + thumb_func_start ObjAffineSet +ObjAffineSet: + svc #15 + bx lr + thumb_func_end ObjAffineSet + .endif + + .ifdef L_SoftResetRom + thumb_func_start SoftResetRom +SoftResetRom: + ldr r3, =REG_IME + movs r2, #0 + strb r2, [r3, #0] + ldr r3, =SOFT_RESET_DIRECT_BUF + movs r2, #0 + strb r2, [r3, #0] + subs r3, #SOFT_RESET_DIRECT_BUF - USER_STACK + mov sp, r3 + svc #1 + svc #0 + .pool + thumb_func_end SoftResetRom + .endif + + .ifdef L_SoundDriverMode + thumb_func_start SoundDriverMode +SoundDriverMode: + svc #27 + bx lr + thumb_func_end SoundDriverMode + .endif + + .ifdef L_RLUnCompWram + thumb_func_start RLUnCompWram +RLUnCompWram: + svc #20 + bx lr + thumb_func_end RLUnCompWram + .endif + + .ifdef L_BitUnPack + thumb_func_start BitUnPack +BitUnPack: + svc #16 + bx lr + thumb_func_end BitUnPack + .endif + + .ifdef L_SoundChannelClear + thumb_func_start SoundChannelClear +SoundChannelClear: + svc #30 + bx lr + thumb_func_end SoundChannelClear + .endif + + .ifdef L_CpuFastSet + thumb_func_start CpuFastSet +CpuFastSet: + svc #12 + bx lr + thumb_func_end CpuFastSet + .endif + + .ifdef L_CpuSet + thumb_func_start CpuSet +CpuSet: + svc #11 + bx lr + thumb_func_end CpuSet + .endif + + .ifdef L_Diff16bitUnFilter + thumb_func_start Diff16bitUnFilter +Diff16bitUnFilter: + svc #24 + bx lr + thumb_func_end Diff16bitUnFilter + .endif + + .ifdef L_SoundBiasSet + thumb_func_start SoundBiasSet +SoundBiasSet: + movs r0, #1 + svc #25 + bx lr + thumb_func_end SoundBiasSet + .endif + + .ifdef L_MusicPlayerContinue + thumb_func_start MusicPlayerContinue +MusicPlayerContinue: + svc #35 + bx lr + thumb_func_end MusicPlayerContinue + .endif + + .ifdef L_SoftReset + thumb_func_start SoftReset +SoftReset: + ldr r3, =REG_IME + movs r2, #0 + strb r2, [r3, #0] + ldr r1, =USER_STACK + mov sp, r1 + svc #1 + svc #0 + .pool + thumb_func_end SoftReset + .endif + + .ifdef L_RLUnCompVram + thumb_func_start RLUnCompVram +RLUnCompVram: + svc #21 + bx lr + thumb_func_end RLUnCompVram + .endif + + .align 2, 0 @ Don't pad with nop |