newlib/libgloss/xc16x/mem-layout.c

30 lines
998 B
C

/*
* Copyright (C) 2006 KPIT Cummins
* Copyright (C) 2009 Conny Marco Menebröcker
* All rights reserved.
*
* Redistribution and use in source and binary forms is permitted
* provided that the above copyright notice and following paragraph are
* duplicated in all such forms.
*
* This file is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
/* Ideally this kind of stuff is specified in a linker script. It's not clear
what the default linker script should do, so for now we have this. */
#ifndef STACK_SIZE
/* Cache lines recycle at 4096 I think, and 4096 is listed as the page size,
so we make the stack size a multiple of it. Not that it's relevant or
anything, but why not base it on *something*? */
#define STACK_SIZE (4096 * 4)
#endif
int stack_size asm ("stack_size") = STACK_SIZE;
#ifndef SBRK_SIZE
#define SBRK_SIZE (4096 * 32)
#endif
int sbrk_size asm ("sbrk_size") = SBRK_SIZE;