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Port PS2 SDL_main to header-only + SDL_RunApp()

This commit is contained in:
Daniel Gibson 2022-12-12 19:15:09 +01:00 committed by Sam Lantinga
parent 544f2c7982
commit b1b3bd654d
4 changed files with 119 additions and 89 deletions
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3
CMakeLists.txt
View File

@ -2639,6 +2639,9 @@ elseif(PS2)
file(GLOB PS2_MAIN_SOURCES ${SDL3_SOURCE_DIR}/src/main/ps2/*.c)
set(SDLMAIN_SOURCES ${SDLMAIN_SOURCES} ${PS2_MAIN_SOURCES})
file(GLOB PS2_CORE_SOURCES ${SDL3_SOURCE_DIR}/src/core/ps2/*.c)
set(SOURCE_FILES ${SOURCE_FILES} ${PS2_CORE_SOURCES})
if(SDL_AUDIO)
set(SDL_AUDIO_DRIVER_PS2 1)
file(GLOB PS2_AUDIO_SOURCES ${SDL3_SOURCE_DIR}/src/audio/ps2/*.c)

10
include/SDL3/SDL_main.h
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@ -280,9 +280,12 @@ extern DECLSPEC void SDLCALL SDL_GDKSuspendComplete(void);
#if !defined(SDL_MAIN_HANDLED) && !defined(SDL_MAIN_NOIMPL)
/* include header-only SDL_main implementations */
#if defined(__WIN32__) || defined(__GDK__) || defined(__IOS__) || defined(__TVOS__) \
|| defined(__3DS__) || defined(__NGAGE__) /* TODO: other platforms */
|| defined(__3DS__) || defined(__NGAGE__) || defined(__PS2__)
/* platforms whichs main (-equivalent) can be implemented in plain C */
#include <SDL3/SDL_main_impl.h>
#elif defined(__WINRT__) /* TODO: other C++ platforms */
#elif defined(__WINRT__) /* C++ platforms */
#ifdef __cplusplus
#include <SDL3/SDL_main_impl.h>
@ -296,7 +299,8 @@ extern DECLSPEC void SDLCALL SDL_GDKSuspendComplete(void);
#warning "Note: Your platform needs the SDL_main implementation in a C++ source file. You can keep your main() in plain C and create a fresh .cpp file that only contains #include <SDL3/SDL_main.h>"
#endif /* __GNUC__ */
#endif /* __cplusplus */
#endif /* __WINRT__ etc */
#endif /* C++ platforms like __WINRT__ etc */
#endif /* SDL_MAIN_HANDLED */

106
src/core/ps2/SDL_ps2.c Normal file
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@ -0,0 +1,106 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_internal.h"
#ifdef __PS2__
/* SDL_RunApp() code for PS2 based on SDL_ps2_main.c, fjtrujy@gmail.com */
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <kernel.h>
#include <sifrpc.h>
#include <iopcontrol.h>
#include <sbv_patches.h>
#include <ps2_fileXio_driver.h>
#include <ps2_memcard_driver.h>
#include <ps2_usb_driver.h>
__attribute__((weak)) void reset_IOP()
{
SifInitRpc(0);
while (!SifIopReset(NULL, 0)) {
}
while (!SifIopSync()) {
}
}
static void prepare_IOP()
{
reset_IOP();
SifInitRpc(0);
sbv_patch_enable_lmb();
sbv_patch_disable_prefix_check();
sbv_patch_fileio();
}
static void init_drivers()
{
init_memcard_driver(true);
init_usb_driver(true);
}
static void deinit_drivers()
{
deinit_usb_driver(true);
deinit_memcard_driver(true);
}
static void waitUntilDeviceIsReady(char *path)
{
struct stat buffer;
int ret = -1;
int retries = 50;
while (ret != 0 && retries > 0) {
ret = stat(path, &buffer);
/* Wait until the device is ready */
nopdelay();
retries--;
}
}
DECLSPEC int
SDL_RunApp(int argc, char* argv[], SDL_main_func mainFunction, void * reserved)
{
int res;
char cwd[FILENAME_MAX];
(void)reserved;
prepare_IOP();
init_drivers();
getcwd(cwd, sizeof(cwd));
waitUntilDeviceIsReady(cwd);
res = SDL_main(argc, argv);
deinit_drivers();
return res;
}
#endif /* __PS2__ */

89
src/main/ps2/SDL_ps2_main.c
View File

@ -1,91 +1,8 @@
/*
SDL_ps2_main.c, fjtrujy@gmail.com
empty, moved to SDL_RunApp() in src/core/ps2/SDL_ps2.c
TODO: remove
*/
#include <SDL3/SDL.h>
#include <SDL3/SDL_main.h> /* until this SDL_main impl is converted to header-only.. */
#ifdef __PS2__
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <kernel.h>
#include <sifrpc.h>
#include <iopcontrol.h>
#include <sbv_patches.h>
#include <ps2_fileXio_driver.h>
#include <ps2_memcard_driver.h>
#include <ps2_usb_driver.h>
#ifdef main
#undef main
#endif
__attribute__((weak)) void reset_IOP()
{
SifInitRpc(0);
while (!SifIopReset(NULL, 0)) {
}
while (!SifIopSync()) {
}
}
static void prepare_IOP()
{
reset_IOP();
SifInitRpc(0);
sbv_patch_enable_lmb();
sbv_patch_disable_prefix_check();
sbv_patch_fileio();
}
static void init_drivers()
{
init_memcard_driver(true);
init_usb_driver(true);
}
static void deinit_drivers()
{
deinit_usb_driver(true);
deinit_memcard_driver(true);
}
static void waitUntilDeviceIsReady(char *path)
{
struct stat buffer;
int ret = -1;
int retries = 50;
while (ret != 0 && retries > 0) {
ret = stat(path, &buffer);
/* Wait until the device is ready */
nopdelay();
retries--;
}
}
int main(int argc, char *argv[])
{
int res;
char cwd[FILENAME_MAX];
prepare_IOP();
init_drivers();
getcwd(cwd, sizeof(cwd));
waitUntilDeviceIsReady(cwd);
res = SDL_main(argc, argv);
deinit_drivers();
return res;
}
#endif /* _PS2 */
/* vi: set ts=4 sw=4 expandtab: */