From 828c98ba34ee0e15b94f8a30a34677baceb9389a Mon Sep 17 00:00:00 2001 From: Jurn Wubben Date: Sun, 13 Jul 2025 12:13:57 +0200 Subject: [PATCH] Project init with hello world. --- .envrc | 1 + .gitignore | 3 + Makefile | 230 +++++++++++++++++++++++++++++++++++++++++++++++++++++ flake.lock | 130 ++++++++++++++++++++++++++++++ flake.nix | 36 +++++++++ src/main.c | 28 +++++++ 6 files changed, 428 insertions(+) create mode 100644 .envrc create mode 100644 .gitignore create mode 100644 Makefile create mode 100644 flake.lock create mode 100644 flake.nix create mode 100644 src/main.c diff --git a/.envrc b/.envrc new file mode 100644 index 0000000..3550a30 --- /dev/null +++ b/.envrc @@ -0,0 +1 @@ +use flake diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..f15e8c8 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +out/ +build/ +.direnv/ diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..f5e00ad --- /dev/null +++ b/Makefile @@ -0,0 +1,230 @@ +#--------------------------------------------------------------------------------- +.SUFFIXES: +#--------------------------------------------------------------------------------- + +ifeq ($(strip $(DEVKITARM)),) +$(error "Please set DEVKITARM in your environment. export DEVKITARM=devkitARM") +endif + +TOPDIR ?= $(CURDIR) +include $(DEVKITARM)/3ds_rules + +#--------------------------------------------------------------------------------- +# TARGET is the name of the output +# BUILD is the directory where object files & intermediate files will be placed +# SOURCES is a list of directories containing source code +# DATA is a list of directories containing data files +# INCLUDES is a list of directories containing header files +# GRAPHICS is a list of directories containing graphics files +# GFXBUILD is the directory where converted graphics files will be placed +# If set to $(BUILD), it will statically link in the converted +# files as if they were data files. +# +# NO_SMDH: if set to anything, no SMDH file is generated. +# ROMFS is the directory which contains the RomFS, relative to the Makefile (Optional) +# APP_TITLE is the name of the app stored in the SMDH file (Optional) +# APP_DESCRIPTION is the description of the app stored in the SMDH file (Optional) +# APP_AUTHOR is the author of the app stored in the SMDH file (Optional) +# ICON is the filename of the icon (.png), relative to the project folder. +# If not set, it attempts to use one of the following (in this order): +# - .png +# - icon.png +# - /default_icon.png +#--------------------------------------------------------------------------------- +TARGET := $(notdir $(CURDIR)) +BUILD := build +SOURCES := src +DATA := data +INCLUDES := include +GRAPHICS := gfx +GFXBUILD := $(BUILD) +#ROMFS := romfs +#GFXBUILD := $(ROMFS)/gfx + +#--------------------------------------------------------------------------------- +# options for code generation +#--------------------------------------------------------------------------------- +ARCH := -march=armv6k -mtune=mpcore -mfloat-abi=hard -mtp=soft + +CFLAGS := -g -Wall -O2 -mword-relocations \ + -ffunction-sections \ + $(ARCH) + +CFLAGS += $(INCLUDE) -D__3DS__ + +CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++14 + +ASFLAGS := -g $(ARCH) +LDFLAGS = -specs=3dsx.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map) + +LIBS := -lbox2d -lcitro2d -lcitro3d -lctru -lm + +#--------------------------------------------------------------------------------- +# list of directories containing libraries, this must be the top level containing +# include and lib +#--------------------------------------------------------------------------------- +LIBDIRS := $(CTRULIB) $(PORTLIBS) + + +#--------------------------------------------------------------------------------- +# no real need to edit anything past this point unless you need to add additional +# rules for different file extensions +#--------------------------------------------------------------------------------- +ifneq ($(BUILD),$(notdir $(CURDIR))) +#--------------------------------------------------------------------------------- + +export OUTPUT := $(CURDIR)/out/$(TARGET) +export TOPDIR := $(CURDIR) + +export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \ + $(foreach dir,$(GRAPHICS),$(CURDIR)/$(dir)) \ + $(foreach dir,$(DATA),$(CURDIR)/$(dir)) + +export DEPSDIR := $(CURDIR)/$(BUILD) + +CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c))) +CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp))) +SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s))) +PICAFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.v.pica))) +SHLISTFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.shlist))) +GFXFILES := $(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.t3s))) +BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*))) + +#--------------------------------------------------------------------------------- +# use CXX for linking C++ projects, CC for standard C +#--------------------------------------------------------------------------------- +ifeq ($(strip $(CPPFILES)),) +#--------------------------------------------------------------------------------- + export LD := $(CC) +#--------------------------------------------------------------------------------- +else +#--------------------------------------------------------------------------------- + export LD := $(CXX) +#--------------------------------------------------------------------------------- +endif +#--------------------------------------------------------------------------------- + +#--------------------------------------------------------------------------------- +ifeq ($(GFXBUILD),$(BUILD)) +#--------------------------------------------------------------------------------- +export T3XFILES := $(GFXFILES:.t3s=.t3x) +#--------------------------------------------------------------------------------- +else +#--------------------------------------------------------------------------------- +export ROMFS_T3XFILES := $(patsubst %.t3s, $(GFXBUILD)/%.t3x, $(GFXFILES)) +export T3XHFILES := $(patsubst %.t3s, $(BUILD)/%.h, $(GFXFILES)) +#--------------------------------------------------------------------------------- +endif +#--------------------------------------------------------------------------------- + +export OFILES_SOURCES := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o) + +export OFILES_BIN := $(addsuffix .o,$(BINFILES)) \ + $(PICAFILES:.v.pica=.shbin.o) $(SHLISTFILES:.shlist=.shbin.o) \ + $(addsuffix .o,$(T3XFILES)) + +export OFILES := $(OFILES_BIN) $(OFILES_SOURCES) + +export HFILES := $(PICAFILES:.v.pica=_shbin.h) $(SHLISTFILES:.shlist=_shbin.h) \ + $(addsuffix .h,$(subst .,_,$(BINFILES))) \ + $(GFXFILES:.t3s=.h) + +export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \ + $(foreach dir,$(LIBDIRS),-I$(dir)/include) \ + -I$(CURDIR)/$(BUILD) + +export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib) + +export _3DSXDEPS := $(if $(NO_SMDH),,$(OUTPUT).smdh) + +ifeq ($(strip $(ICON)),) + icons := $(wildcard *.png) + ifneq (,$(findstring $(TARGET).png,$(icons))) + export APP_ICON := $(TOPDIR)/$(TARGET).png + else + ifneq (,$(findstring icon.png,$(icons))) + export APP_ICON := $(TOPDIR)/icon.png + endif + endif +else + export APP_ICON := $(TOPDIR)/$(ICON) +endif + +ifeq ($(strip $(NO_SMDH)),) + export _3DSXFLAGS += --smdh=$(CURDIR)/out/$(TARGET).smdh +endif + +ifneq ($(ROMFS),) + export _3DSXFLAGS += --romfs=$(CURDIR)/$(ROMFS) +endif + +.PHONY: all clean + +#--------------------------------------------------------------------------------- +all: $(BUILD) $(GFXBUILD) $(DEPSDIR) $(ROMFS_T3XFILES) $(T3XHFILES) + @$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile + +$(BUILD): + @mkdir -p $@ + +ifneq ($(GFXBUILD),$(BUILD)) +$(GFXBUILD): + @mkdir -p $@ +endif + +ifneq ($(DEPSDIR),$(BUILD)) +$(DEPSDIR): + @mkdir -p $@ +endif + +#--------------------------------------------------------------------------------- +clean: + @echo clean ... + @rm -fr $(BUILD) $(TARGET).3dsx $(OUTPUT).smdh $(TARGET).elf $(GFXBUILD) + +#--------------------------------------------------------------------------------- +$(GFXBUILD)/%.t3x $(BUILD)/%.h : %.t3s +#--------------------------------------------------------------------------------- + @echo $(notdir $<) + @tex3ds -i $< -H $(BUILD)/$*.h -d $(DEPSDIR)/$*.d -o $(GFXBUILD)/$*.t3x + +#--------------------------------------------------------------------------------- +else + +#--------------------------------------------------------------------------------- +# main targets +#--------------------------------------------------------------------------------- +$(OUTPUT).3dsx : $(OUTPUT).elf $(_3DSXDEPS) + +$(OFILES_SOURCES) : $(HFILES) + +$(OUTPUT).elf : $(OFILES) + +#--------------------------------------------------------------------------------- +# you need a rule like this for each extension you use as binary data +#--------------------------------------------------------------------------------- +%.bin.o %_bin.h : %.bin +#--------------------------------------------------------------------------------- + @echo $(notdir $<) + @$(bin2o) + +#--------------------------------------------------------------------------------- +.PRECIOUS : %.t3x %.shbin +#--------------------------------------------------------------------------------- +%.t3x.o %_t3x.h : %.t3x +#--------------------------------------------------------------------------------- + $(SILENTMSG) $(notdir $<) + $(bin2o) + +#--------------------------------------------------------------------------------- +%.shbin.o %_shbin.h : %.shbin +#--------------------------------------------------------------------------------- + $(SILENTMSG) $(notdir $<) + $(bin2o) + + +-include $(DEPSDIR)/*.d + +#--------------------------------------------------------------------------------------- +endif +#--------------------------------------------------------------------------------------- diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..c17892d --- /dev/null +++ b/flake.lock @@ -0,0 +1,130 @@ +{ + "nodes": { + "devkitNix": { + "inputs": { + "flake-utils": "flake-utils", + "nixpkgs": "nixpkgs" + }, + "locked": { + "lastModified": 1752284472, + "narHash": "sha256-6/+VKKBRk1s6LG8SIBP1Te2vOEyAPOAJD8t9E1oFf/w=", + "owner": "bandithedoge", + "repo": "devkitNix", + "rev": "71c8f22a135ff9453f914e6dff2b57524c2cf942", + "type": "github" + }, + "original": { + "owner": "bandithedoge", + "repo": "devkitNix", + "type": "github" + } + }, + "flake-utils": { + "inputs": { + "systems": "systems" + }, + "locked": { + "lastModified": 1731533236, + "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "flake-utils_2": { + "inputs": { + "systems": "systems_2" + }, + "locked": { + "lastModified": 1731533236, + "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1751949589, + "narHash": "sha256-mgFxAPLWw0Kq+C8P3dRrZrOYEQXOtKuYVlo9xvPntt8=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "9b008d60392981ad674e04016d25619281550a9d", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixpkgs-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "nixpkgs_2": { + "locked": { + "lastModified": 1752012998, + "narHash": "sha256-Q82Ms+FQmgOBkdoSVm+FBpuFoeUAffNerR5yVV7SgT8=", + "owner": "NixOS", + "repo": "nixpkgs", + "rev": "2a2130494ad647f953593c4e84ea4df839fbd68c", + "type": "github" + }, + "original": { + "owner": "NixOS", + "ref": "nixpkgs-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "devkitNix": "devkitNix", + "flake-utils": "flake-utils_2", + "nixpkgs": "nixpkgs_2" + } + }, + "systems": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + }, + "systems_2": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..dc3b4e2 --- /dev/null +++ b/flake.nix @@ -0,0 +1,36 @@ +{ + inputs = { + nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable"; + flake-utils.url = "github:numtide/flake-utils"; + devkitNix.url = "github:bandithedoge/devkitNix"; + }; + + outputs = { + self, + nixpkgs, + flake-utils, + devkitNix, + ... + }: + flake-utils.lib.eachDefaultSystem ( + system: let + pkgs = import nixpkgs { + inherit system; + overlays = [devkitNix.overlays.default]; + }; + in { + devShells.default = pkgs.mkShell.override {stdenv = pkgs.devkitNix.stdenvARM;} {packages = with pkgs; [imagemagick];}; + packages.default = pkgs.devkitNix.stdenvARM.mkDerivation { + name = "somding"; + src = ./.; + buildInputs = [pkgs.imagemagick pkgs.which]; + + # makeFlags = ["TARGET=example"]; + installPhase = '' + mkdir $out + cp 3ds.3dsx $out + ''; + }; + } + ); +} diff --git a/src/main.c b/src/main.c new file mode 100644 index 0000000..5173a94 --- /dev/null +++ b/src/main.c @@ -0,0 +1,28 @@ +#include +#include +#include +#include <3ds.h> + +int main(int argc, char* argv[]) +{ + gfxInitDefault(); + consoleInit(GFX_TOP, NULL); + + printf("Hello, world!\n"); + + // Main loop + while (aptMainLoop()) + { + gspWaitForVBlank(); + gfxSwapBuffers(); + hidScanInput(); + + // Your code goes here + u32 kDown = hidKeysDown(); + if (kDown & KEY_START) + break; // break in order to return to hbmenu + } + + gfxExit(); + return 0; +}