OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [tags/] [or1ksim/] [or1ksim-0.5.0rc1/] [cpu/] [or32/] [op-i386.h] - Blame information for rev 403

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 19 jeremybenn
/* op-i386.h -- i386 specific support routines for micro operations
2
 
3
   Copyright (C) 2005 György `nog' Jeney, nog@sdf.lonestar.org
4
   Copyright (C) 2008 Embecosm Limited
5
 
6
   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
7
 
8
   This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
9
 
10
   This program is free software; you can redistribute it and/or modify it
11
   under the terms of the GNU General Public License as published by the Free
12
   Software Foundation; either version 3 of the License, or (at your option)
13
   any later version.
14
 
15
   This program is distributed in the hope that it will be useful, but WITHOUT
16
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
17
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
18
   more details.
19
 
20
   You should have received a copy of the GNU General Public License along
21
   with this program.  If not, see <http://www.gnu.org/licenses/>.  */
22
 
23
/* This program is commented throughout in a fashion suitable for processing
24
   with Doxygen. */
25
 
26
 
27
#ifndef OP_I386__H
28
#define OP_I386__H
29
 
30
#define OP_JUMP(x) asm("jmp *%0" : : "rm" (x))
31
 
32
#define FORCE_RET asm volatile ("")
33
 
34
/* Does a function call (with no arguments) makeing sure that gcc doesn't peddle
35
 * the stack. (FIXME: Is this safe??) */
36
#define SPEEDY_CALL(func) asm("call "#func"\n")
37
 
38
/* Return out of the recompiled code */
39
asm ("  .align 2\n"
40
     "  .p2align 4,,15\n"
41
     ".globl op_do_jump\n"
42
     "  .type   op_do_jump,@function\n"
43
     "op_do_jump:\n"
44
     "  ret\n" "        ret\n" "1:\n" " .size   op_do_jump,1b-op_do_jump\n");
45
 
46
#endif /* OP_I386__H */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.