Files
openairinterface5g/openair1/ARCH/COMMON/bigphys.c
T
ghaddab 56c3197b09 License Corrected
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5713 818b1a75-f10b-46b9-bf7c-635c3b92a50f
2014-08-13 16:22:56 +00:00

71 lines
2.2 KiB
C
Executable File

/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface 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 Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface 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 OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
#include "defs.h"
#include "linux/kernel.h"
#include "linux/module.h"
#ifdef BIGPHYSAREA
#ifdef ARCH_64
char *bigphys_ptr,*bigphys_current;
#else //ARCH_64
unsigned int bigphys_ptr,bigphys_current;
#endif //ARCH_64
extern int exit_openair;
// return pointer to memory in big physical area aligned to 16 bytes
void *bigphys_malloc(n) {
//printk("[BIGPHYSAREA] Calling bigphys_malloc\n");
int n2 = n + ((16-(n%16))%16);
bigphys_current += n2;
if (bigphys_current > bigphys_ptr + (BIGPHYS_NUMPAGES*4096)) {
printk("[BIGPHYS][FATAL] Memory overload!!!!! Exiting.\n");
exit_openair = 1;
}
#ifdef ARCH_64
//printk("[BIGPHYSAREA] Allocated Memory %d\n",bigphys_current-bigphys_ptr);
return ((void *)(bigphys_current - (char *)n2));
#else //ARCH_64
//printk("[BIGPHYSAREA] Allocated Memory %d\n",bigphys_current-bigphys_ptr);
return ((void *)(bigphys_current - n2));
#endif //ARCH_64
}
EXPORT_SYMBOL(bigphys_malloc);
#endif