mirror of https://github.com/mgba-emu/mgba.git
Wii: Initial port
This commit is contained in:
Jeffrey Pfau
parent
dc33a4f173
commit
4f04c30f70
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@ -202,6 +202,14 @@ if(BUILD_BBB OR BUILD_RASPI OR BUILD_PANDORA)
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endif()
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endif()
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if(WII)
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list(APPEND VFS_SRC ${CMAKE_SOURCE_DIR}/src/util/vfs/vfs-file.c)
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add_definitions(-DCOLOR_16_BIT -DCOLOR_5_6_5)
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file(GLOB WII_SRC ${CMAKE_SOURCE_DIR}/src/platform/wii/*.c)
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add_executable(${BINARY_NAME}.elf ${WII_SRC})
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target_link_libraries(${BINARY_NAME}.elf ${BINARY_NAME} fat ogc)
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endif()
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if(BUILD_PANDORA)
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add_definitions(-DBUILD_PANDORA)
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endif()
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@ -0,0 +1,39 @@
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if(DEFINED ENV{DEVKITPRO})
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set(DEVKITPRO $ENV{DEVKITPRO})
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else()
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message(FATAL_ERROR "Could not find DEVKITPRO in environment")
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endif()
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if(DEFINED ENV{DEVKITPPC})
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set(DEVKITPPC $ENV{DEVKITPPC})
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else()
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set(DEVKITPPC ${DEVKITPRO}/devkitPPC)
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endif()
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set(toolchain_bin_dir ${DEVKITPPC}/bin)
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set(cross_prefix ${toolchain_bin_dir}/powerpc-eabi-)
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set(inc_flags -I${DEVKITPRO}/libogc/include)
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set(arch_flags "-mrvl -mcpu=750 -meabi -mhard-float -g")
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set(link_flags "-L${DEVKITPRO}/libogc/lib/wii ${arch_flags}")
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set(CMAKE_SYSTEM_NAME Generic CACHE INTERNAL "system name")
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set(CMAKE_SYSTEM_PROCESSOR arm CACHE INTERNAL "processor")
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set(CMAKE_LIBRARY_ARCHITECTURE powerpc-none-eabi CACHE INTERNAL "abi")
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set(CMAKE_AR ${cross_prefix}ar CACHE INTERNAL "archiver")
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set(CMAKE_C_COMPILER ${cross_prefix}gcc CACHE INTERNAL "c compiler")
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set(CMAKE_CXX_COMPILER ${cross_prefix}g++ CACHE INTERNAL "cxx compiler")
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set(CMAKE_ASM_COMPILER ${cross_prefix}gcc CACHE INTERNAL "assembler")
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set(common_flags "${arch_flags} ${inc_flags}")
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set(CMAKE_C_FLAGS ${common_flags} CACHE INTERNAL "c compiler flags")
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set(CMAKE_ASM_FLAGS ${common_flags} CACHE INTERNAL "c compiler flags")
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set(CMAKE_CXX_FLAGS ${common_flags} CACHE INTERNAL "cxx compiler flags")
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set(CMAKE_LINKER ${cross_prefix}ld CACHE INTERNAL "linker")
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set(CMAKE_EXE_LINKER_FLAGS ${link_flags} CACHE INTERNAL "exe link flags")
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set(CMAKE_MODULE_LINKER_FLAGS ${link_flags} CACHE INTERNAL "module link flags")
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set(CMAKE_SHARED_LINKER_FLAGS ${link_flags} CACHE INTERNAL "shared link flags")
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set(ELF2DOL ${toolchain_bin_dir}/elf2dol)
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set(WII ON)
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add_definitions(-DGEKKO)
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@ -0,0 +1,283 @@
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/* Copyright (c) 2013-2015 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#define asm __asm__
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#include <fat.h>
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#include <gccore.h>
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#include <malloc.h>
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#include "util/common.h"
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#include "gba/gba.h"
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#include "gba/renderers/video-software.h"
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#include "gba/serialize.h"
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#include "gba/supervisor/overrides.h"
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#include "gba/video.h"
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#include "util/vfs.h"
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#define SAMPLES 1024
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static void GBAWiiLog(struct GBAThread* thread, enum GBALogLevel level, const char* format, va_list args);
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static void GBAWiiFrame(void);
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static bool GBAWiiLoadGame(const char* path);
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static void _postVideoFrame(struct GBAAVStream*, struct GBAVideoRenderer* renderer);
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static struct GBA gba;
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static struct ARMCore cpu;
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static struct GBAVideoSoftwareRenderer renderer;
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static struct VFile* rom;
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static struct VFile* save;
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static struct GBAAVStream stream;
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static FILE* logfile;
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static GXRModeObj* mode;
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static Mtx model, view, modelview;
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static uint16_t* texmem;
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static GXTexObj tex;
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static void* framebuffer[2];
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static int whichFb = 0;
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int main() {
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VIDEO_Init();
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PAD_Init();
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int fmt;
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#ifdef COLOR_16_BIT
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#ifdef COLOR_5_6_5
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fmt = GX_PF_RGB565_Z16;
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#else
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#error This pixel format is unsupported. Please use -DCOLOR_16-BIT -DCOLOR_5_6_5
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#endif
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#else
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#error This pixel format is unsupported. Please use -DCOLOR_16-BIT -DCOLOR_5_6_5
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#endif
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mode = VIDEO_GetPreferredMode(0);
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framebuffer[0] = SYS_AllocateFramebuffer(mode);
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framebuffer[1] = SYS_AllocateFramebuffer(mode);
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VIDEO_Configure(mode);
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VIDEO_SetNextFramebuffer(framebuffer[whichFb]);
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VIDEO_SetBlack(FALSE);
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VIDEO_Flush();
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VIDEO_WaitVSync();
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if (mode->viTVMode & VI_NON_INTERLACE) VIDEO_WaitVSync();
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GXColor bg = { 0, 0, 0, 0xFF };
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void* fifo = memalign(32, 0x40000);
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memset(fifo, 0, 0x40000);
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GX_Init(fifo, 0x40000);
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GX_SetPixelFmt(fmt, GX_ZC_LINEAR);
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GX_SetCopyClear(bg, 0x00FFFFFF);
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GX_SetViewport(0, 0, mode->fbWidth, mode->efbHeight, 0, 1);
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GX_SetCullMode(GX_CULL_NONE);
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GX_CopyDisp(framebuffer[whichFb], GX_TRUE);
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GX_SetDispCopyGamma(GX_GM_1_0);
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GX_ClearVtxDesc();
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GX_SetVtxDesc(GX_VA_POS, GX_DIRECT);
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GX_SetVtxDesc(GX_VA_TEX0, GX_DIRECT);
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GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_POS, GX_POS_XY, GX_S16, 0);
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GX_SetVtxAttrFmt(GX_VTXFMT0, GX_VA_TEX0, GX_TEX_ST, GX_S16, 0);
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GX_SetNumChans(1);
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GX_SetNumTexGens(1);
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GX_SetTevOrder(GX_TEVSTAGE0, GX_TEXCOORD0, GX_TEXMAP0, GX_COLOR0A0);
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GX_SetTevOp(GX_TEVSTAGE0, GX_REPLACE);
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GX_SetTexCoordGen(GX_TEXCOORD0, GX_TG_MTX2x4, GX_TG_TEX0, GX_IDENTITY);
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GX_InvVtxCache();
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GX_InvalidateTexAll();
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Mtx44 proj;
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guOrtho(proj, 0, VIDEO_VERTICAL_PIXELS, 0, VIDEO_HORIZONTAL_PIXELS, 0, 300);
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GX_LoadProjectionMtx(proj, GX_ORTHOGRAPHIC);
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guVector cam = { 0.0f, 0.0f, 0.0f };
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guVector up = { 0.0f, 1.0f, 0.0f };
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guVector look = { 0.0f, 0.0f, -1.0f };
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guLookAt(view, &cam, &up, &look);
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GX_LoadPosMtxImm(view, GX_PNMTX0);
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guMtxIdentity(model);
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guMtxTransApply(model, model, 0.0f, 0.0f, -6.0f);
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guMtxConcat(view, model, modelview);
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GX_LoadPosMtxImm(modelview, GX_PNMTX0);
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texmem = memalign(32, 256 * 256 * BYTES_PER_PIXEL);
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GX_InitTexObj(&tex, texmem, 256, 256, GX_TF_RGB565, GX_CLAMP, GX_CLAMP, GX_FALSE);
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fatInitDefault();
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logfile = fopen("/mgba.log", "w");
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stream.postAudioFrame = 0;
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stream.postAudioBuffer = 0;
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stream.postVideoFrame = _postVideoFrame;
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GBACreate(&gba);
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ARMSetComponents(&cpu, &gba.d, 0, 0);
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ARMInit(&cpu);
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gba.logLevel = 0; // TODO: Settings
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gba.logHandler = GBAWiiLog;
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gba.stream = &stream;
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gba.idleOptimization = IDLE_LOOP_REMOVE; // TODO: Settings
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rom = 0;
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GBAVideoSoftwareRendererCreate(&renderer);
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renderer.outputBuffer = memalign(32, 256 * 256 * BYTES_PER_PIXEL);
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renderer.outputBufferStride = 256;
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GBAVideoAssociateRenderer(&gba.video, &renderer.d);
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GBAAudioResizeBuffer(&gba.audio, SAMPLES);
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#if RESAMPLE_LIBRARY == RESAMPLE_BLIP_BUF
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blip_set_rates(gba.audio.left, GBA_ARM7TDMI_FREQUENCY, 44100);
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blip_set_rates(gba.audio.right, GBA_ARM7TDMI_FREQUENCY, 44100);
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#endif
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if (!GBAWiiLoadGame("/rom.gba")) {
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return 1;
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}
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while (true) {
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PAD_ScanPads();
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u16 padkeys = PAD_ButtonsDown(0);
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int keys = 0;
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gba.keySource = &keys;
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if (padkeys & PAD_BUTTON_A) {
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keys |= 1 << GBA_KEY_A;
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}
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if (padkeys & PAD_BUTTON_B) {
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keys |= 1 << GBA_KEY_B;
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}
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if (padkeys & PAD_TRIGGER_L) {
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keys |= 1 << GBA_KEY_L;
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}
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if (padkeys & PAD_TRIGGER_R) {
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keys |= 1 << GBA_KEY_R;
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}
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if (padkeys & PAD_BUTTON_START) {
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keys |= 1 << GBA_KEY_START;
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}
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if (padkeys & (PAD_BUTTON_X | PAD_BUTTON_Y)) {
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keys |= 1 << GBA_KEY_SELECT;
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}
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if (padkeys & PAD_BUTTON_LEFT) {
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keys |= 1 << GBA_KEY_LEFT;
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}
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if (padkeys & PAD_BUTTON_RIGHT) {
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keys |= 1 << GBA_KEY_RIGHT;
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}
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if (padkeys & PAD_BUTTON_UP) {
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keys |= 1 << GBA_KEY_UP;
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}
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if (padkeys & PAD_BUTTON_DOWN) {
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keys |= 1 << GBA_KEY_DOWN;
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}
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if (padkeys & PAD_TRIGGER_Z) {
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break;
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}
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int frameCount = gba.video.frameCounter;
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while (gba.video.frameCounter == frameCount) {
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ARMRunLoop(&cpu);
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}
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}
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fclose(logfile);
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free(fifo);
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rom->close(rom);
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save->close(save);
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return 0;
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}
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static void GBAWiiFrame(void) {
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size_t x, y;
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uint64_t* texdest = (uint64_t*) texmem;
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uint64_t* texsrc = (uint64_t*) renderer.outputBuffer;
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for (y = 0; y < VIDEO_VERTICAL_PIXELS; y += 4) {
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for (x = 0; x < VIDEO_HORIZONTAL_PIXELS >> 2; ++x) {
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texdest[0 + x * 4 + y * 64] = texsrc[0 + x + y * 64];
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texdest[1 + x * 4 + y * 64] = texsrc[64 + x + y * 64];
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texdest[2 + x * 4 + y * 64] = texsrc[128 + x + y * 64];
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texdest[3 + x * 4 + y * 64] = texsrc[192 + x + y * 64];
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}
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}
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DCFlushRange(texdest, 256 * 256 * BYTES_PER_PIXEL);
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GX_SetViewport(0, 0, mode->fbWidth, mode->efbHeight, 0, 1);
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GX_InvalidateTexAll();
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GX_LoadTexObj(&tex, GX_TEXMAP0);
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GX_Begin(GX_QUADS, GX_VTXFMT0, 4);
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GX_Position2s16(0, 256);
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GX_TexCoord2s16(0, 1);
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GX_Position2s16(256, 256);
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GX_TexCoord2s16(1, 1);
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GX_Position2s16(256, 0);
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GX_TexCoord2s16(1, 0);
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GX_Position2s16(0, 0);
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GX_TexCoord2s16(0, 0);
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GX_End();
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GX_DrawDone();
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whichFb = !whichFb;
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GX_SetZMode(GX_TRUE, GX_LEQUAL, GX_TRUE);
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GX_SetColorUpdate(GX_TRUE);
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GX_CopyDisp(framebuffer[whichFb], GX_TRUE);
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VIDEO_SetNextFramebuffer(framebuffer[whichFb]);
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VIDEO_Flush();
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VIDEO_WaitVSync();
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}
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bool GBAWiiLoadGame(const char* path) {
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rom = VFileFOpen(path, "rb");
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if (!rom) {
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return false;
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}
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if (!GBAIsROM(rom)) {
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return false;
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}
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save = VFileFOpen("test.sav", "w+b");
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GBALoadROM(&gba, rom, save, path);
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struct GBACartridgeOverride override;
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const struct GBACartridge* cart = (const struct GBACartridge*) gba.memory.rom;
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memcpy(override.id, &cart->id, sizeof(override.id));
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if (GBAOverrideFind(0, &override)) {
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GBAOverrideApply(&gba, &override);
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}
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ARMReset(&cpu);
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return true;
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}
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void GBAWiiLog(struct GBAThread* thread, enum GBALogLevel level, const char* format, va_list args) {
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UNUSED(thread);
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UNUSED(level);
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vfprintf(logfile, format, args);
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fprintf(logfile, "\n");
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fflush(logfile);
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}
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static void _postVideoFrame(struct GBAAVStream* stream, struct GBAVideoRenderer* renderer) {
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UNUSED(stream);
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UNUSED(renderer);
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GBAWiiFrame();
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}
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@ -0,0 +1,15 @@
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/* Copyright (c) 2013-2015 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "util/memory.h"
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void* anonymousMemoryMap(size_t size) {
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return malloc(size);
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}
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void mappedMemoryFree(void* memory, size_t size) {
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UNUSED(size);
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free(memory);
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}
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@ -32,6 +32,9 @@ typedef int32_t ssize_t;
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#define strcasecmp _stricmp
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#define strncasecmp _strnicmp
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#define ftruncate _chsize
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#elif defined(__wii__)
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typedef int32_t ssize_t;
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#define SSIZE_MAX ((ssize_t) SIZE_MAX)
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#else
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#include <strings.h>
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#include <unistd.h>
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