From e6291536c7060db2c95b556434b2d41aecf5fba5 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Thu, 10 Dec 2009 17:07:04 +0000 Subject: 2009-12-10 Conny Marco Menebrocker * configure.in: Add xc16x support. * configure: Regenerated. * xc16x/Makefile.in: New file for xc16x port. * xc16x/aclocal.m4: Ditto. * xc16x/close.S: Ditto. * xc16x/configure: Ditto. * xc16x/configure.in: Ditto. * xc16x/create.c: Ditto. * xc16x/crt0.S: Ditto. * xc16x/fstat.S: Ditto. * xc16x/getchar1.c: Ditto. * xc16x/isatty.c: Ditto. * xc16x/lseek.c: Ditto. * xc16x/mem-layout.c: Ditto. * xc16x/misc.c: Ditto. * xc16x/open.c: Ditto. * xc16x/read.c: Ditto. * xc16x/sbrk.c: Ditto. * xc16x/syscalls.c: Ditto. * xc16x/trap_handle.c: Ditto. * xc16x/write.c: Ditto. * xc16x/sys/syscall.h: Ditto. --- libgloss/xc16x/mem-layout.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 libgloss/xc16x/mem-layout.c (limited to 'libgloss/xc16x/mem-layout.c') diff --git a/libgloss/xc16x/mem-layout.c b/libgloss/xc16x/mem-layout.c new file mode 100644 index 0000000..4619ed2 --- /dev/null +++ b/libgloss/xc16x/mem-layout.c @@ -0,0 +1,29 @@ +/* + * 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; -- cgit v1.1