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/*
* libspe - A wrapper library to adapt the JSRE SPU usage model to SPUFS
* 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
*/
#define _GNU_SOURCE
#include <errno.h>
#include <libspe.h>
#include <pthread.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/mman.h>
#include "spe.h"
#include "spebase.h"
#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
void *spe_get_ps_area(speid_t speid, enum ps_area area)
{
void *base_addr;
struct thread_store *spe = speid;
if (!srch_thread(speid)){
errno = ESRCH;
return NULL;
}
if (!(spe->flags & SPE_MAP_PS)) {
errno = EACCES;
return NULL;
}
if ( area == SPE_MSSYNC_AREA ) {
base_addr = _base_spe_ps_area_get(spe->spectx, SPE_MSSYNC_AREA);
if (base_addr == NULL) {
perror("spe_map_ps_area: internal error. cant map mss file.");
errno = EIO;
return NULL;
}
return base_addr;
} else if ( area == SPE_MFC_COMMAND_AREA ) {
base_addr = _base_spe_ps_area_get(spe->spectx, SPE_MFC_COMMAND_AREA);
if (base_addr == NULL) {
perror("spe_map_ps_area: internal error. cant map mfc file.");
errno = EIO;
return NULL;
}
return base_addr ;
} else if ( area == SPE_CONTROL_AREA ) {
base_addr = _base_spe_ps_area_get(spe->spectx, SPE_CONTROL_AREA);
if (base_addr == NULL) {
perror("spe_map_ps_area: internal error. cant map control file.");
errno = EIO;
return NULL;
}
return base_addr ;
} else if ( area == SPE_SIG_NOTIFY_1_AREA ) {
base_addr = _base_spe_ps_area_get(spe->spectx, SPE_SIG_NOTIFY_1_AREA);
if (base_addr == NULL) {
perror("spe_map_ps_area: internal error. cant map signal1 file.");
errno = EIO;
return NULL;
}
return base_addr;
} else if ( area == SPE_SIG_NOTIFY_2_AREA ) {
base_addr = _base_spe_ps_area_get(spe->spectx, SPE_SIG_NOTIFY_2_AREA);
if (base_addr == NULL) {
perror("spe_map_ps_area: internal error. cant map signal2 file.");
errno = EIO;
return NULL;
}
return base_addr;
}
perror("spe_map_ps_area: Unsupported call of spe_map_ps_area.");
errno = EINVAL;
return NULL;
}
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