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author | Andrew Cagney <cagney@redhat.com> | 2004-11-12 16:45:32 +0000 |
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committer | Andrew Cagney <cagney@redhat.com> | 2004-11-12 16:45:32 +0000 |
commit | c46ec85da270994b50ccc5c8de0f1751cf3a0683 (patch) | |
tree | a5941765ceb8c03216c7a82f0a9f92c02b368a39 /sim/z8k/mem.c | |
parent | 4fab48b9c48377889af365990e148954c3343287 (diff) | |
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2004-11-12 Andrew Cagney <cagney@gnu.org>
* d30v, fr30, mn10200, z8k: Delete directory.
Diffstat (limited to 'sim/z8k/mem.c')
-rw-r--r-- | sim/z8k/mem.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/sim/z8k/mem.c b/sim/z8k/mem.c deleted file mode 100644 index 6942a66..0000000 --- a/sim/z8k/mem.c +++ /dev/null @@ -1,126 +0,0 @@ -/* memory support for Z8KSIM - Copyright (C) 1987, 1992 Free Software Foundation, Inc. - -This file is part of Z8KSIM - -Z8KSIM 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, or (at your option) -any later version. - -Z8KSIM 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 Z8KZIM; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "config.h" - -#include <ansidecl.h> - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#include "tm.h" -#include "mem.h" -#include "sim.h" - -#define INLINE -static -long -sitoptr (si) -long si; -{ - return ((si & 0xff000000) >> 8) | (si & 0xffff); -} - -static -unsigned short * -get_page_and_offset (context, where, offset_ptr) - sim_state_type *context; - sim_phys_addr_type where; - int *offset_ptr; -{ - /* Is the page allocated ? */ - - if (context->memory == 0) - { - /* Must allocate 16MB in order to run Z8001 programs. */ - context->memory = (unsigned short *)calloc(64*1024*64,4); - } - - *offset_ptr = sitoptr(where); - return context->memory; -} - -void -sim_write_byte (context, where, what) - sim_state_type *context; - sim_phys_addr_type where; - int what; -{ - unsigned int offset; - char *ptr = (char *)get_page_and_offset (context, where, &offset); - - ptr[offset] = what; -} - -void -sim_write_short (context, where, what) - sim_state_type *context; - sim_phys_addr_type where; - int what; -{ - int offset; - char *ptr = (char *)get_page_and_offset (context, where, &offset); - - ptr[offset] = what >> 8; - ptr[offset + 1] = what; -} - -void -sim_write_long (context, where, what) - sim_state_type *context; - sim_phys_addr_type where; - int what; -{ - int offset; - char *ptr = (char *)get_page_and_offset (context, where, &offset); - - ptr[offset] = what >> 24; - ptr[offset + 1] = what >> 16; - ptr[offset + 3] = what >> 8; - ptr[offset + 4] = what; -} - -int -sim_read_byte (context, where) - sim_state_type *context; - sim_phys_addr_type where; -{ - int offset; - char *ptr = (char *)get_page_and_offset (context, where, &offset); - - return ptr[offset]; -} - -unsigned -sim_read_short (context, where) - sim_state_type *context; - sim_phys_addr_type where; -{ - int what; - int offset; - - char *ptr = (char *)get_page_and_offset (context, where, &offset); - - what = (ptr[offset] << 8) | ptr[offset + 1]; - return what; -} - - - |