exit.c

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/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/

 
#include "kernel.h"
#include "string.h"
 
extern char **_kExecArg;
const char *SetArg(const char *filename, int argc, char *argv[]);
 
char **_kExecArg;
 
struct SyscallData
{
    int syscall;
    void *function;
};
 
static const struct SyscallData SysEntry = {
    0x5A,
    &kCopyBytes};
 
#define SETARG_MAX_ARGS 15
 
const char *SetArg(const char *filename, int argc, char *argv[])
{
    const char *filenameOut;
    char *ptr;
    int len, i;
 
    ptr         = (char *)(_kExecArg + 16);
    filenameOut = ptr;
    setup(SysEntry.syscall, SysEntry.function);
    argc = (argc > SETARG_MAX_ARGS) ? SETARG_MAX_ARGS : argc;
    Copy(&_kExecArg[0], &ptr, 4);
    len = strlen(filename) + 1;
    Copy(ptr, filename, len);
    ptr += len;
 
    for (i = 0; i < argc; i++) {
        Copy(&_kExecArg[1 + i], &ptr, 4);
        len = strlen(argv[i]) + 1;
        Copy(ptr, argv[i], len);
        ptr += len;
    }
 
    return filenameOut;
}
 
__attribute__((weak))
void Exit(s32 exit_code)
{
    TerminateLibrary();
    KExit(exit_code);
}
 
__attribute__((weak))
s32 ExecPS2(void *entry, void *gp, int num_args, char *args[])
{
    SetArg("", num_args, args);
    TerminateLibrary();
    return _ExecPS2(entry, gp, num_args, &_kExecArg[1]);
}
 
__attribute__((weak))
void LoadExecPS2(const char *filename, s32 num_args, char *args[])
{
    const char *pFilename;
 
    pFilename = SetArg(filename, num_args, args);
    TerminateLibrary();
    _LoadExecPS2(pFilename, num_args, &_kExecArg[1]);
}
 
__attribute__((weak))
void ExecOSD(int num_args, char *args[])
{
    SetArg("", num_args, args);
    TerminateLibrary();
    _ExecOSD(num_args, &_kExecArg[1]);
}