/* -*- C -*- */ /* * Copyright (c) 2007 Massachusetts Institute of Technology * * This program 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 2 of the License, or * (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include "fftw-spu.h" /* simple-minded memory allocator */ static char mem[200*1024] __attribute__ ((aligned (ALIGNMENT))); static char *allocptr; void X(spu_alloc_reset)(void) { allocptr = mem; } void *X(spu_alloc)(size_t sz) { void *p = allocptr; sz = (sz + (ALIGNMENT - 1)) & ~(ALIGNMENT - 1); /* align SZ up */ allocptr = p + sz; return p; } size_t X(spu_alloc_avail)(void) { return (mem + sizeof(mem)) - allocptr; }