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error 0x80020148 when starting homebrew

 
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sauron_le_noir



Joined: 05 Jul 2008
Posts: 229
PostPosted: Wed Sep 10, 2008 5:26 am    Post subject: error 0x80020148 when starting homebrew Reply with quote
I try to port a Nintendo DS emulator to the psp it compile now without error
generating a EBOOT.BPB but when starting the emulator i've got this
0x80020148 ----> ,unsupportedPRXtype
My psp is a slim running CF4.01M33-2

here is my makefile
Code:

TARGET = pspds
OBJS = armcpu.o fs-linux.o opengl_collector_3Demu.o arm_instructions.o render3D.o bios.o gl_vertex.o ROMReader.o cflash.o GPU.o saves.o cp15.o matrix.o sndsdl.o ctrlssdl.o mc.o SPU.o debug.o MMU.o thumb_instructions.o Disassembler.o NDSSystem.o wifi.o FIFO.o main.o psp_main.o

PSPBIN = $(shell psp-config --psp-prefix)/bin
SDL_CONFIG = $(PSPBIN)/sdl-config
DEFAULT_CFLAGS = $(shell $(SDL_CONFIG) --cflags)
INCDIR =
CFLAGS = -O2 -G0 -Wall $(DEFAULT_CFLAGS)
CXXFLAGS = $(CFLAGS) -fno-exceptions -fno-rtti
ASFLAGS = $(CFLAGS)

BUILD_PRX = 1
PSP_FW_VERSION = 401
PSP_LARGE_MEMORY = 1
DS_EMULATOR_VERSION=1.0.0

LIBDIR =
LIBS +=  -lpspwlan -lpsppower -lSDL_image -lSDL -lpng -ljpeg -lpspaudio -lpspgu -lpsphprm -lz -lm -lstdc++ -lGL -lpspirkeyb -lpsppower -lpspvfpu -lpsprtc
LDFLAGS =

EXTRA_TARGETS = EBOOT.PBP
PSP_EBOOT_TITLE = DS-EMULATOR-v$(DS_EMULATOR_VERSION)
PSP_EBOOT_ICON= ds-emulator.png
PSP_EBOOT_PIC1 = ds-emulator-pic.png

PSPSDK=$(shell psp-config --pspsdk-path)
include $(PSPSDK)/lib/build.mak
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J.F.



Joined: 22 Feb 2004
Posts: 2906
PostPosted: Wed Sep 10, 2008 7:42 am    Post subject: Reply with quote
Make sure you main file has the module info/et all set for a user-mode prx, like this

Code:
PSP_MODULE_INFO("MyProgram", 0, PSP_VERS, PSP_REVS);
PSP_MAIN_THREAD_ATTR(PSP_THREAD_ATTR_USER);
PSP_HEAP_SIZE_KB(-256);
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sauron_le_noir



Joined: 05 Jul 2008
Posts: 229
PostPosted: Wed Sep 10, 2008 4:37 pm    Post subject: Reply with quote
it has
Code:



#include <stdio.h>
#include <zlib.h>
#include "SDL.h"

#include <pspkernel.h>
#include <pspdebug.h>
#include <pspsdk.h>
#include <pspctrl.h>
#include <pspthreadman.h>

#include <pspwlan.h>
#include <pspkernel.h>
#include <psppower.h>

#include <stdlib.h>
#include <stdio.h>



extern int SDL_main(int argc, char *argv[]);



PSP_MODULE_INFO("PSPNDS", PSP_MODULE_USER, 1, 1);
PSP_MAIN_THREAD_ATTR(PSP_THREAD_ATTR_USER|PSP_THREAD_ATTR_VFPU);
PSP_HEAP_SIZE_KB(-256);
;

int sdl_psp_exit_callback(int arg1, int arg2, void *common)
{
  sceKernelExitGame();
  return 0;
}

int sdl_psp_callback_thread(SceSize args, void *argp)
{
  int cbid;
  cbid = sceKernelCreateCallback("Exit Callback",
               sdl_psp_exit_callback, NULL);
  sceKernelRegisterExitCallback(cbid);

  sceKernelSleepThreadCB();
  return 0;
}

int sdl_psp_setup_callbacks(void)
{
  int thid = 0;

  sceCtrlSetSamplingCycle(0);
  sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);

  thid = sceKernelCreateThread("update_thread",
             sdl_psp_callback_thread, 0x11, 0xFA0, 0, 0);
  if(thid >= 0)
    sceKernelStartThread(thid, 0, 0);
  return thid;
}



extern void _fini(void);

#ifdef main
#undef main
#endif

void
user_thread(SceSize argss, void *argp)
{
  char *ptr[] = { "emul","ms0:/PSP/GAME/DS/TEST.NDS",NULL };
  int args = 2;

  sdl_psp_setup_callbacks();
 
pspDebugScreenPrintf("\nBefore SDL !\n");
 
// SDL_main(args, ptr);
}

int
main(int argc, char *argv[])
{
  int user_thid;

  pspDebugScreenInit();



  /* Functions registered with atexit() are called in reverse order, so make
     sure that we register sceKernelExitGame() first, so that it's called last. */
  atexit(sceKernelExitGame);
  /* Make sure that _fini() is called before returning to the OS. */
  atexit(_fini);


  pspDebugScreenPrintf("\nLaunch main thread !\n");

  sceKernelDelayThread(1000000);

  user_thid = sceKernelCreateThread( "user_thread",
     (SceKernelThreadEntry)user_thread, 0x11, 256*1024, PSP_THREAD_ATTR_USER, 0 );
  if(user_thid >= 0) {
    sceKernelStartThread(user_thid, 0, 0);
    sceKernelWaitThreadEnd(user_thid, NULL);
  }

  /* Delay 2.5 seconds before returning to the OS. */
  sceKernelDelayThread(2500000);

  return 0;
}
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J.F.



Joined: 22 Feb 2004
Posts: 2906
PostPosted: Thu Sep 11, 2008 6:00 am    Post subject: Reply with quote
You don't need to create a user thread - you ARE a user thread. Remove that code. That code was clearly from a project that used to run in kernel mode, so I'd guess the error is due to some other kernel-mode function still in the code. One common one you saw in a lot of older apps set the general exception vector to trap crashes. That doesn't work in 3.xx/4.xx without a special kernel-mode prx. If you look at the dosbox thread, you'll find such a prx if you want exception trapping in your app.
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