handler_utils.h
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/* handler_utils.h - definitions for assisted SPE library calls.
*
* Copyright (C) 2005 IBM Corp.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License,
* or (at your option) any later version.
*
* This library 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __HANDLER_UTILS_H__
#define __HANDLER_UTILS_H__
struct spe_reg128 {
unsigned int slot[4];
};
#ifndef LS_SIZE
#define LS_SIZE 0x40000 /* 256K (in bytes) */
#define LS_ADDR_MASK (LS_SIZE - 1)
#endif /* LS_SIZE */
#define __PRINTF(fmt, args...) { fprintf(stderr,fmt , ## args); }
#ifdef DEBUG
#define DEBUG_PRINTF(fmt, args...) __PRINTF(fmt , ## args)
#else
#define DEBUG_PRINTF(fmt, args...)
#endif
#define LS_ARG_ADDR(_index) \
(&((struct spe_reg128 *) ((char *) ls + ls_args))[_index])
#define DECL_RET() \
struct spe_reg128 *ret = LS_ARG_ADDR(0)
#define GET_LS_PTR(_off) \
(void *) ((char *) ls + ((_off) & LS_ADDR_MASK))
#define GET_LS_PTR_NULL(_off) \
((_off) ? GET_LS_PTR(_off) : NULL)
#define DECL_0_ARGS() \
unsigned int ls_args = (opdata & 0xffffff)
#define DECL_1_ARGS() \
DECL_0_ARGS(); \
struct spe_reg128 *arg0 = LS_ARG_ADDR(0)
#define DECL_2_ARGS() \
DECL_1_ARGS(); \
struct spe_reg128 *arg1 = LS_ARG_ADDR(1)
#define DECL_3_ARGS() \
DECL_2_ARGS(); \
struct spe_reg128 *arg2 = LS_ARG_ADDR(2)
#define DECL_4_ARGS() \
DECL_3_ARGS(); \
struct spe_reg128 *arg3 = LS_ARG_ADDR(3)
#define DECL_5_ARGS() \
DECL_4_ARGS(); \
struct spe_reg128 *arg4 = LS_ARG_ADDR(4)
#define DECL_6_ARGS() \
DECL_5_ARGS(); \
struct spe_reg128 *arg5 = LS_ARG_ADDR(5)
#define PUT_LS_RC(_a, _b, _c, _d) \
ret->slot[0] = (unsigned int) (_a); \
ret->slot[1] = (unsigned int) (_b); \
ret->slot[2] = (unsigned int) (_c); \
ret->slot[3] = (unsigned int) (_d); \
__asm__ __volatile__ ("sync" : : : "memory")
#endif /* __HANDLER_UTILS_H__ */