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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/* main() for Cell SPU code */
#include <stdio.h>
#include <libmisc.h>
#include "pipe/p_defines.h"
#include "spu_funcs.h"
#include "spu_command.h"
#include "spu_main.h"
#include "spu_per_fragment_op.h"
#include "spu_texture.h"
//#include "spu_test.h"
#include "spu_debug.h"
#include "cell/common.h"
/*
helpful headers:
/usr/lib/gcc/spu/4.1.1/include/spu_mfcio.h
/opt/cell/sdk/usr/include/libmisc.h
*/
struct spu_global spu;
#if DEBUG
boolean Debug = FALSE;
boolean force_fragment_ops_fallback = TRUE;
#endif
static void
one_time_init(void)
{
memset(spu.ctile_status, TILE_STATUS_DEFINED, sizeof(spu.ctile_status));
memset(spu.ztile_status, TILE_STATUS_DEFINED, sizeof(spu.ztile_status));
invalidate_tex_cache();
/* Install default/fallback fragment processing function.
* This will normally be overriden by a code-gen'd function
* unless CELL_FORCE_FRAGMENT_OPS_FALLBACK is set.
*/
spu.fragment_ops = spu_fallback_fragment_ops;
}
/* In some versions of the SDK the SPE main takes 'unsigned long' as a
* parameter. In others it takes 'unsigned long long'. Use a define to
* select between the two.
*/
#ifdef SPU_MAIN_PARAM_LONG_LONG
typedef unsigned long long main_param_t;
#else
typedef unsigned long main_param_t;
#endif
/**
* SPE entrypoint.
*/
int
main(main_param_t speid, main_param_t argp)
{
int tag = 0;
(void) speid;
ASSERT(sizeof(tile_t) == TILE_SIZE * TILE_SIZE * 4);
ASSERT(sizeof(struct cell_command_render) % 8 == 0);
ASSERT(((unsigned long) &spu.fragment_ops_code) % 8 == 0);
ASSERT(((unsigned long) &spu.fragment_program_code) % 8 == 0);
one_time_init();
DEBUG_PRINTF("main() speid=%lu\n", (unsigned long) speid);
D_PRINTF(CELL_DEBUG_FRAGMENT_OP_FALLBACK, "using fragment op fallback\n");
/* get initialization data */
mfc_get(&spu.init, /* dest */
(unsigned int) argp, /* src */
sizeof(struct cell_init_info), /* bytes */
tag,
0, /* tid */
0 /* rid */);
wait_on_mask( 1 << tag );
if (spu.init.id == 0) {
return_function_info();
}
#if 0
if (spu.init.id==0)
spu_test_misc(spu.init.id);
#endif
command_loop();
return 0;
}
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