void CMEM2Alloc::init(unsigned int size)
{
m_baseAddress = (SBlock *) std::max(((u32)SYS_GetArena2Lo() + 31) & ~31, IOS_RELOAD_AREA);
m_endAddress = (SBlock *) ((char *)m_baseAddress + std::min(size * 0x100000, SYS_GetArena2Size() & ~31));
if (m_endAddress > (SBlock *) 0x93300000) //rest is reserved for usb/usb2/network and other stuff... (0xE0000 bytes)
m_endAddress = (SBlock *) 0x93300000;
SYS_SetArena2Lo(m_endAddress);
LWP_MutexInit(&m_mutex, 0);
}
void CMEM2Alloc::cleanup(void)
{
LWP_MutexDestroy(m_mutex);
m_mutex = 0;
m_first = 0;
// Try to release the range we took through SYS functions
if (SYS_GetArena2Lo() == m_endAddress)
SYS_SetArena2Lo(m_baseAddress);
m_baseAddress = 0;
m_endAddress = 0;
}
static void* main_thread_function(void*)
{
u32 level, real_heap_size;
// hope the parms are all set by now
COM_InitArgv(parms_number, parms_array);
_CPU_ISR_Disable(level);
heap = (char *)align32(SYS_GetArena2Lo());
real_heap_size = heap_size - ((u32)heap - (u32)SYS_GetArena2Lo());
if ((u32)heap + real_heap_size > (u32)SYS_GetArena2Hi())
{
_CPU_ISR_Restore(level);
Sys_Error("heap + real_heap_size > (u32)SYS_GetArena2Hi()");
}
else
{
SYS_SetArena2Lo(heap + real_heap_size);
_CPU_ISR_Restore(level);
}
VIDEO_SetBlack(TRUE);
// Initialise the Host module.
quakeparms_t parms;
memset(&parms, 0, sizeof(parms));
parms.argc = com_argc;
parms.argv = com_argv;
parms.basedir = QUAKE_WII_BASEDIR;
parms.memsize = real_heap_size;
parms.membase = heap;
if (parms.membase == 0)
{
Sys_Error("Heap allocation failed");
}
memset(parms.membase, 0, parms.memsize);
Host_Init(&parms);
#if TIME_DEMO
Cbuf_AddText("map start\n");
Cbuf_AddText("wait\n");
Cbuf_AddText("timedemo demo1\n");
#endif
#if TEST_CONNECTION
Cbuf_AddText("connect 192.168.0.2");
#endif
SYS_SetResetCallback(reset_system);
SYS_SetPowerCallback(shutdown_system);
VIDEO_SetBlack(FALSE);
// Run the main loop.
u64 last_time = gettime();
for (;;)
{
if (want_to_reset)
Sys_Reset();
if (want_to_shutdown)
Sys_Shutdown();
// Get the frame time in ticks.
const u64 current_time = gettime();
const u64 time_delta = current_time - last_time;
const double seconds = time_delta * (0.001f / TB_TIMER_CLOCK);
last_time = current_time;
// Run the frame.
Host_Frame(seconds);
};
// Quit (this code is never reached).
Sys_Quit();
return 0;
}
