rsx_function_macros.h

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#ifdef RSX_FUNCTION_MACROS
 
#if RSX_UNSAFE
    #define RSX_FUNC(func)              rsx##func##Unsafe
#else
    #define RSX_FUNC(func)              rsx##func
#endif
 
#if RSX_INTERNAL
 
#if RSX_UNSAFE
    #define RSX_FUNC_INTERNAL(func)     __rsx##func##Unsafe
    #define RSX_CONTEXT_CURRENT_BEGIN(count) do {} while(0) 
#else
    s32 __attribute__((noinline)) rsxContextCallback(gcmContextData *context,u32 count)
    {
        register s32 result asm("r3");
        __asm__ __volatile__ (
            "stdu   1,-128(1)\n"
            "mr     31,2\n"
            "lwz    0,0(%3)\n"
            "lwz    2,4(%3)\n"
            "mtctr  0\n"
            "bctrl\n"
            "mr     2,31\n"
            "addi   1,1,128\n"
            : "+r"(result)
            : "r"(context), "r"(count), "b"(context->callback)
            : "r31", "r0", "lr"
        );
        return result;
    }
    
    #define RSX_FUNC_INTERNAL(func)     __rsx##func
    #define RSX_CONTEXT_CURRENT_BEGIN(count) do { \
        if((context->current + (count)) > context->end) { \
            if(rsxContextCallback(context,(count))!=0) return; \
        } \
    } while(0)
#endif
 
#endif
 
#endif
 
#ifndef RSX_FUNCTION_MACROS
#undef RSX_CONTEXT_CURRENT_BEGIN
#undef RSX_FUNC
#undef RSX_FUNC_INTERNAL
#endif