Test of simple gfx hello_world using glank's gz.

CMakeLists.txt

@@ -0,0 +1,58 @@
+# --------------------------------------------------------------------------- #
+# Author:       Joey Dumont                   <[email protected]>         #
+# Date:         2018-01-15                                                    #
+# Description:  CMake compilation instructions for the SM64 practice ROM.     #
+# License:      CC0 - Public Domain                                           #
+# ----------------------------------------------------------------------------#
+
+# ----------------------------------------------------------------- #
+# --                 Name and version of library                 -- #
+# ----------------------------------------------------------------- #
+set(uss64)
+set (USSR64_VERSION_MAJOR   0)
+set (USSR64_VERSION_MINOR   0)
+set (USSR64_VERSION_RELEASE 0)
+
+# ----------------------------------------------------------------- #
+# --               Configuration and Dependencies                -- #
+# ----------------------------------------------------------------- #
+# -- Default build type
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE Release)
+endif(NOT CMAKE_BUILD_TYPE)
+
+# -- CMake version and installation directory.
+cmake_minimum_required(VERSION 3.0.0 FATAL_ERROR)
+
+if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set (CMAKE_INSTALL_PREFIX /opt/n64)
+endif()
+
+# -- Include CMake modules of this package.
+LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules")
+
+# ----------------------------------------------------------------- #
+# --                    Compiler Configuration                   -- #
+# ----------------------------------------------------------------- #
+set (CMAKE_C_FLAGS_RELEASE   "-G 0 -O2 -Wall -mtune=vr4300 -march=vr4300 -mabi=32")
+set (CMAKE_CXX_FLAGS_RELEASE "-G 0 -O2 -Wall -mtune=vr4300 -march=vr4300 -mabi=32")
+
+add_definitions(-DZ64_VERSION=Z64_OOT10)
+
+# ----------------------------------------------------------------- #
+# --                  Compilation Instructions                   -- #
+# ----------------------------------------------------------------- #
+# -- Included files.
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+include_directories(/opt/n64-dev/n64-sysroot/include)
+
+# -- Create object.
+add_library(uss64 OBJECT ${CMAKE_CURRENT_SOURCE_DIR}/hello_world.c)
+
+# ----------------------------------------------------------------- #
+# --                  Installation Instructions                  -- #
+# ----------------------------------------------------------------- #
+
+# -- Output binaries in directory
+set (CMAKE_OBJECTS_OUTPUT_DIRECTORY  ${CMAKE_CURRENT_SOURCE_DIR})
+install (TARGETS uss64 OBJECTS DESTINATION bin)

Toolchain-mips64-linux-x86_64.cmake

@@ -0,0 +1,11 @@
+# --------------------------------------------------------------------------- #
+# Author:       Joey Dumont                   <[email protected]>         #
+# Date:         2018-02-14                                                    #
+# Description:  Toolchain file for MIPS64 on Linux.                           #
+# License:      CC0 - Public Domain                                           #
+# ----------------------------------------------------------------------------#
+
+set (CMAKE_SYSTEM_NAME Generic)
+set (CMAKE_SYSTEM_PROCESSOR mips64)
+
+set (CMAKE_C_COMPILER mips64-gcc)

build.sh

@@ -0,0 +1,44 @@
+# --------------------------------------------------------------------------- #
+# Author:       Joey Dumont                   <[email protected]>         #
+# Date:         2018-02-14                                                    #
+# Description:  Simple build script.                                          #
+# License:      CC0 - Public Domain                                           #
+# ----------------------------------------------------------------------------#
+
+# Check the number of arguments.
+if [ $# -gt 2 ]; then
+  printf "Usage is\n"
+  printf "\tbash build.sh release/debug [toolchain-file]\n"
+  exit 1
+fi
+
+# Change to file directory.
+cd "$(dirname "$(readlink -f "$0")")";
+
+# Check if build/ dir exists.
+if [ ! -d build ]; then
+    mkdir build
+else
+    rm -rf build
+    mkdir  build
+fi
+
+# Change to build dir and compile the library.
+cd build
+CMAKE_FLAGS=
+CMAKE_TOOLCHAIN_FILE=
+if [ $# -gt 0 ]; then
+  if [ $1 == release ]; then
+    CMAKE_FLAGS="${CMAKE_FLAGS} -DCMAKE_BUILD_TYPE=Release"
+  elif [ $1 == debug ]; then
+    CMAKE_FLAGS="${CMAKE_FLAGS} -DCMAKE_BUILD_TYPE=Debug"
+  fi
+fi
+
+if [ $# -gt 1 ]; then
+  CMAKE_TOOLCHAIN_FILE=$1
+else
+  CMAKE_TOOLCHAIN_FILE=../Toolchain-mips64-linux-x86_64.cmake
+fi
+
+cmake ${CMAKE_FLAGS} -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE} ..

compile.sh

@@ -1,2 +1,13 @@
 cd $(dirname $(readlink -f $0))
-mips64-gcc -G 0 -Wall -O2 -mtune=vr4300 -march=vr4300 -mabi=32 -c -I /opt/n64-dev/n64-sysroot/include hello_world.c -o hello_world.o
+grc gz/res/gz/fipps.png -d gz/res/resources.json -o fipps.png.o
+mips64-gcc -G 0 -Wall -O2 -mtune=vr4300 -march=vr4300 -mabi=32 -c /opt/n64-dev/n64-sysroot/include/grc.c -o grc.o
+mips64-gcc -G 0 -Wall -O2 -mtune=vr4300 -march=vr4300 -mabi=32 -c /opt/n64-dev/n64-sysroot/include/vector/vector.c -o vector.o
+mips64-gcc -G 0 -Wall -O2 -mtune=vr4300 -march=vr4300 -mabi=32 -c /opt/n64-dev/n64-sysroot/include/startup.c -o startup.o
+mips64-gcc -DZ64_VERSION=Z64_OOT10 -G 0 -Wall -O2 -mtune=vr4300 -march=vr4300 -mabi=32 -c -I /opt/n64-dev/n64-sysroot/include hello_world.c         -o hello_world.o
+mips64-gcc -DZ64_VERSION=Z64_OOT10 -G 0 -Wall -O2 -mtune=vr4300 -march=vr4300 -mabi=32 -c -I /opt/n64-dev/n64-sysroot/include gz/src/gz/resource.c  -o resource.o
+mips64-gcc -DZ64_VERSION=Z64_OOT10 -G 0 -Wall -O2 -mtune=vr4300 -march=vr4300 -mabi=32 -c -I /opt/n64-dev/n64-sysroot/include gz/src/gz/gfx.c       -o gfx.o
+mips64-gcc -DZ64_VERSION=Z64_OOT10 -G 0 -Wall -O2 -mtune=vr4300 -march=vr4300 -mabi=32 -c -I /opt/n64-dev/n64-sysroot/include gz/src/gz/gu.c        -o gu.o
+mips64-gcc -DZ64_VERSION=Z64_OOT10 -G 0 -Wall -O2 -mtune=vr4300 -march=vr4300 -mabi=32 -c -I /opt/n64-dev/n64-sysroot/include gz/src/gz/zu.c        -o zu.o
+mips64-g++ -T /opt/n64-dev/n64-sysroot/lib/gl-n64.ld -nostartfiles -specs=nosys.specs -O3 -flto -Wl,--gc-sections -Wl,--defsym,start=0x80400000 \
+              hello_world.o resource.o gfx.o gu.o grc.o zu.o vector.o startup.o -o uss64.o
+mips64-objcopy -O binary uss64.elf uss64.bin

hello_world.c

@@ -1,16 +1,42 @@
 #include <stddef.h>
+#include <n64.h>
+#include <startup.h>
+#include "gz/src/gz/z64.h"
+#include "gz/src/gz/resource.h"
+#include "gz/src/gz/gfx.h"
 
 extern void PrintXY(unsigned int x, unsigned int y, const char *str);
 static const char HelloString[] = "- hello n64 -";
 static unsigned int x = 32;
 static unsigned int y = 32;
+static _Bool         _ready = 0;
 
-void MainHook(void)
+static struct gfx_font *font;
+
+// Try to write Hello World using native GFx.
+ENTRY void _start(void)
 {
+  if (!_ready)
+  {
+    /* initialize gfx */
+    {
+      gfx_start();
+      gfx_mode_configure(GFX_MODE_FILTER, G_TF_POINT);
+      gfx_mode_configure(GFX_MODE_COMBINE, G_CC_MODE(G_CC_MODULATEIA_PRIM,
+                                                     G_CC_MODULATEIA_PRIM));
+    }
+
+    font = resource_get(RES_FONT_FIPPS);
+    _ready = 1;
+  }
+
+  gfx_mode_init();
+  gfx_printf(font, x, y, HelloString);
+
 
   // Lives back to normal position
   //PrintXY(0x36, 0xD1, (void*)0x80338388, *(int16_t*)0x8033B260);
 
   // Print hello world
-  PrintXY(x, y, HelloString);
+  //PrintXY(x, y, HelloString);
 }

patch/hook.asm

@@ -61,15 +61,15 @@ jal LoadNewCodeInExpRam
 
 // Replace unused Mario behaviour with the our payload, executed at each frame.
 .orga behaviourHook
-.dw MainHook
+.dw 0x80400000
 
 // Import the payload at the end of the ROM.
 .orga romPadding
 .headersize 0
 NewCodeRomStart:
 .headersize 0x80400000 - orga()
 NewCodeVaddrStart:
-.importobj "../hello_world.o"
+.incbin "../uss64.bin"
 .headersize 0
 NewCodeRomEnd: