First PS2 compilation

.github/workflows/ci.yml

@@ -94,6 +94,30 @@ jobs:
         name: PSP
         path: PicoDrive_psp_*.zip
 
+  build-ps2:
+    runs-on: ubuntu-latest
+    container: ps2dev/ps2dev
+    steps:
+    - name: build environment
+      run: |
+        apk add build-base cmake git zip make
+    - uses: actions/checkout@v3
+      with:
+        submodules: true
+    - name: build
+      run: |
+        export CROSS_COMPILE=mips64r5900el-ps2-elf-
+        git config --global --add safe.directory $PWD
+        ver=$(cut -d'"' -f2 platform/common/version.h)-$(git rev-parse --short HEAD)
+        ./configure --platform=ps2
+        make -j2
+        make -C platform/ps2 rel VER=$ver
+    - name: artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: PS2
+        path: PicoDrive_ps2_*.zip
+
 
   build-dingux:
     runs-on: ubuntu-latest

Makefile

@@ -235,6 +235,12 @@ OBJS += platform/psp/asm_utils.o
 OBJS += platform/psp/mp3.o
 USE_FRONTEND = 1
 endif
+ifeq "$(PLATFORM)" "ps2"
+CFLAGS += -DUSE_BGR555 # -DLOG_TO_FILE
+LDLIBS += -lpatches -lgskit -ldmakit -lps2_drivers
+OBJS += platform/ps2/plat.o
+USE_FRONTEND = 1
+endif
 ifeq "$(PLATFORM)" "libretro"
 OBJS += platform/libretro/libretro.o
 ifneq ($(STATIC_LINKING), 1)

configure

@@ -39,7 +39,7 @@ check_define()
 # "" means "autodetect".
 
 # TODO this is annoyingly messy. should have platform and device
-platform_list="generic pandora gph dingux retrofw opendingux[-gcw0] odbeta[-gcw0] miyoo rpi1 rpi2 psp"
+platform_list="generic pandora gph dingux retrofw opendingux[-gcw0] odbeta[-gcw0] miyoo rpi1 rpi2 ps2 psp"
 platform="generic"
 sound_driver_list="oss alsa sdl"
 sound_drivers=""
@@ -59,6 +59,7 @@ CC="${CC-${CROSS_COMPILE}gcc}"
 CXX="${CXX-${CROSS_COMPILE}g++}"
 AS="${AS-${CROSS_COMPILE}as}"
 STRIP="${STRIP-${CROSS_COMPILE}strip}"
+LD="${LD-${CROSS_COMPILE}gcc}" # Use better gcc for linking
 SYSROOT=`$CC $CFLAGS $LDFLAGS --print-sysroot 2> /dev/null || true`
 config_mak="config.mak"
 
@@ -150,6 +151,15 @@ set_platform()
     MFLAGS="-march=allegrex"
     ARCH=mipsel
     ;;
+  ps2)
+    # use newlib
+    SYSLIBS=""
+    MFLAGS=""
+    ARCH=mips64r5900el
+    ASFLAGS="$ASFLAGS -G0 -call_shared"
+    CFLAGS="$CFLAGS -D_EE -G0 -I${PS2SDK}/ee/include -I${PS2SDK}/common/include -I${PS2SDK}/ports/include"
+    LDFLAGS="$LDFLAGS -Wl,-zmax-page-size=128 -T${PS2SDK}/ee/startup/linkfile -L${PS2SDK}/ee/lib -L${PS2SDK}/ports/lib"
+    ;;
   *)
     fail "unsupported platform: $platform"
     ;;
@@ -457,6 +467,7 @@ echo "CC = $CC" >> $config_mak
 echo "CXX = $CXX" >> $config_mak
 echo "AS = $AS" >> $config_mak
 echo "STRIP = $STRIP" >> $config_mak
+echo "LD = $LD" >> $config_mak
 echo "CFLAGS += $MFLAGS $CFLAGS" >> $config_mak
 echo "ASFLAGS += $MFLAGS $ASFLAGS" >> $config_mak
 echo "LDFLAGS += $LDFLAGS" >> $config_mak

platform/ps2/Makefile

@@ -0,0 +1,27 @@
+
+# ----------- release -----------
+ifneq ($(findstring rel,$(MAKECMDGOALS)),)
+ifeq ($(VER),)
+$(error need VER)
+endif
+endif
+
+../../tools/textfilter: ../../tools/textfilter.c
+	make -C ../../tools/ textfilter
+
+readme.txt: ../../tools/textfilter ../base_readme.txt ../../ChangeLog
+	../../tools/textfilter ../base_readme.txt $@ PS2
+
+# ?
+rel: ../../PicoDrive readme.txt ../game_def.cfg
+	mkdir -p PicoDrive/skin/
+	cp $^ PicoDrive/
+	cp ../../skin/* PicoDrive/skin/
+	zip -9 -r ../../PicoDrive_ps2_$(VER).zip PicoDrive
+	rm -rf PicoDrive
+	mkdir bin_to_cso_mp3
+	cp ../../tools/bin_to_cso_mp3/* bin_to_cso_mp3/
+	zip -9 -r ../../PicoDrive_ps2_$(VER).zip bin_to_cso_mp3
+	rm -rf bin_to_cso_mp3
+
+

platform/ps2/plat.c

@@ -0,0 +1,108 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "../libpicofe/plat.h"
+
+const char *renderer_names[] = { "Software", "Hardware" };
+const char *renderer_names32x[] = { "Software", "Hardware", "Hardware (fast)" };
+
+struct plat_target plat_target = {};
+
+int plat_parse_arg(int argc, char *argv[], int *x) { return 1; }
+
+void plat_early_init(void) {}
+
+int  plat_target_init(void) { return 0; }
+
+void plat_init(void) {}
+
+void plat_video_menu_enter(int is_rom_loaded) {}
+
+void plat_video_menu_leave(void) {}
+
+void plat_finish(void) {}
+
+void plat_target_finish(void) {}
+
+void plat_video_menu_begin(void) {}
+
+void plat_video_menu_end(void) {}
+
+int  plat_get_root_dir(char *dst, int len) { return 0; }
+
+
+unsigned int plat_get_ticks_ms(void) { return 0; }
+
+unsigned int plat_get_ticks_us(void) { return 0; }
+
+void plat_sleep_ms(int ms) {}
+
+void plat_video_toggle_renderer(int change, int menu_call) {}
+
+void plat_update_volume(int has_changed, int is_up) {}
+
+int  plat_is_dir(const char *path) { return 0; }
+
+void plat_status_msg_busy_first(const char *msg) {}
+
+void pemu_prep_defconfig(void) {}
+
+void pemu_validate_config(void) {}
+
+void plat_status_msg_clear(void) {}
+
+void plat_status_msg_busy_next(const char *msg) {}
+
+void plat_video_loop_prepare(void) {}
+
+int  plat_get_data_dir(char *dst, int len) { return 0; }
+
+void plat_video_flip(void) {}
+
+void plat_video_wait_vsync(void) {}
+
+void plat_wait_till_us(unsigned int us) {}
+
+int  plat_get_skin_dir(char *dst, int len) { return 0; }
+
+void plat_debug_cat(char *str) {}
+
+int  plat_wait_event(int *fds_hnds, int count, int timeout_ms) { return 0; }
+
+void pemu_loop_prep(void) {}
+
+void pemu_sound_start(void) {}
+
+void pemu_loop_end(void) {}
+
+void *plat_mem_get_for_drc(size_t size) { return NULL; }
+
+void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed) { return NULL; }
+
+void *plat_mremap(void *ptr, size_t oldsize, size_t newsize) { return NULL; }
+
+void  plat_munmap(void *ptr, size_t size) {}
+
+int   plat_mem_set_exec(void *ptr, size_t size) { return 0; }
+
+void emu_video_mode_change(int start_line, int line_count, int start_col, int col_count) {}
+
+void pemu_forced_frame(int no_scale, int do_emu) {}
+
+void pemu_finalize_frame(const char *fps, const char *notice_msg) {}
+
+int _flush_cache (char *addr, const int size, const int op) { return 0; }
+
+/* lprintf */
+void lprintf(const char *fmt, ...)
+{
+	va_list vl;
+
+	va_start(vl, fmt);
+#if defined(LOG_TO_FILE)
+	vfprintf(logFile, fmt, vl);
+#else
+	vprintf(fmt, vl);
+#endif
+	va_end(vl);
+}