RetroArch/defines/gx_defines.h
2016-01-10 04:06:50 +01:00

140 lines
3.9 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2016 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GX_DEFINES_H
#define _GX_DEFINES_H
#define _SHIFTL(v, s, w) ((uint32_t) (((uint32_t)(v) & ((0x01 << (w)) - 1)) << (s)))
#define _SHIFTR(v, s, w) ((uint32_t)(((uint32_t)(v) >> (s)) & ((0x01 << (w)) - 1)))
#ifndef __lhbrx
#define __lhbrx(base,index) \
({ register u16 res; \
__asm__ volatile ("lhbrx %0,%1,%2" : "=r"(res) : "b%"(index), "r"(base) : "memory"); \
res; })
#endif
#ifndef __sthbrx
#define __sthbrx(base,index,value) \
__asm__ volatile ("sthbrx %0,%1,%2" : : "r"(value), "b%"(index), "r"(base) : "memory")
#endif
#ifndef __stwbrx
#define __stwbrx(base,index,value) \
__asm__ volatile ("stwbrx %0,%1,%2" : : "r"(value), "b%"(index), "r"(base) : "memory")
#endif
#ifndef _sync
#define _sync() asm volatile("sync")
#endif
#ifndef _nop
#define _nop() asm volatile("nop")
#endif
#ifndef ppcsync
#define ppcsync() asm volatile("sc")
#endif
#ifndef ppchalt
#define ppchalt() ({ \
_sync(); \
while(1) { \
_nop(); \
asm volatile("li 3,0"); \
_nop(); \
} \
})
#endif
#ifndef _CPU_ISR_Enable
#define _CPU_ISR_Enable() \
{ register u32 _val = 0; \
__asm__ __volatile__ ( \
"mfmsr %0\n" \
"ori %0,%0,0x8000\n" \
"mtmsr %0" \
: "=&r" ((_val)) : "0" ((_val)) \
); \
}
#endif
#ifndef _CPU_ISR_Disable
#define _CPU_ISR_Disable( _isr_cookie ) \
{ register u32 _disable_mask = 0; \
_isr_cookie = 0; \
__asm__ __volatile__ ( \
"mfmsr %0\n" \
"rlwinm %1,%0,0,17,15\n" \
"mtmsr %1\n" \
"extrwi %0,%0,1,16" \
: "=&r" ((_isr_cookie)), "=&r" ((_disable_mask)) \
: "0" ((_isr_cookie)), "1" ((_disable_mask)) \
); \
}
#endif
#ifndef _CPU_ISR_Restore
#define _CPU_ISR_Restore( _isr_cookie ) \
{ register u32 _enable_mask = 0; \
__asm__ __volatile__ ( \
" cmpwi %0,0\n" \
" beq 1f\n" \
" mfmsr %1\n" \
" ori %1,%1,0x8000\n" \
" mtmsr %1\n" \
"1:" \
: "=r"((_isr_cookie)),"=&r" ((_enable_mask)) \
: "0"((_isr_cookie)),"1" ((_enable_mask)) \
); \
}
#endif
#ifdef GEKKO
extern void __lwp_thread_stopmultitasking(void (*exitfunc)());
#define OSThread lwp_t
#define OSCond lwpq_t
#define OSThreadQueue lwpq_t
#define OSInitMutex(mutex) LWP_MutexInit(mutex, 0)
#define OSLockMutex(mutex) LWP_MutexLock(mutex)
#define OSUnlockMutex(mutex) LWP_MutexUnlock(mutex)
#define OSTryLockMutex(mutex) LWP_MutexTryLock(mutex)
#define OSInitCond(cond) LWP_CondInit(cond)
#define OSSignalCond(cond) LWP_ThreadSignal(cond)
#define OSWaitCond(cond, mutex) LWP_CondWait(cond, mutex)
#define OSInitThreadQueue(queue) LWP_InitQueue(queue)
#define OSSleepThread(queue) LWP_ThreadSleep(queue)
#define OSJoinThread(thread, val) LWP_JoinThread(thread, val)
#define OSCreateThread(thread, func, intarg, ptrarg, stackbase, stacksize, priority, attrs) LWP_CreateThread(thread, func, ptrarg, stackbase, stacksize, priority)
#define VISetPostRetraceCallback(cb) VIDEO_SetPostRetraceCallback(cb)
#define VISetBlack(black) VIDEO_SetBlack(black)
#define VIFlush() VIDEO_Flush()
#define VISetNextFrameBuffer(fb) VIDEO_SetNextFramebuffer(fb)
#define VIWaitForRetrace() VIDEO_WaitVSync()
#define VIConfigure(rm) VIDEO_Configure(rm)
#define VIInit() VIDEO_Init()
#define VIPadFrameBufferWidth(width) VIDEO_PadFramebufferWidth(width)
#endif
#endif