m5op_x86.S revision 9898:2935441b0870 
1/*
2 * Copyright (c) 2003-2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 *          Nathan Binkert
30 *          Ali Saidi
31 */
32
33#include "m5ops.h"
34
35#ifdef M5OP_ADDR
36/* Use the memory mapped m5op interface */
37#define TWO_BYTE_OP(name, number)         \
38        .globl name;                      \
39        .func name;                       \
40name:                                     \
41        mov m5_mem, %r11;                 \
42        mov $number, %rax;                \
43        shl $8, %rax;                     \
44        mov 0(%r11, %rax, 1), %rax;       \
45        ret;                              \
46        .endfunc;
47
48#else
49/* Use the magic instruction based m5op interface. This does not work
50 * in virtualized environments.
51 */
52
53#define TWO_BYTE_OP(name, number)         \
54        .globl name;                      \
55        .func name;                       \
56name:                                     \
57        .byte 0x0F, 0x04;                 \
58        .word number;                     \
59        ret;                              \
60        .endfunc;
61
62#endif
63
64TWO_BYTE_OP(arm, arm_func)
65TWO_BYTE_OP(quiesce, quiesce_func)
66TWO_BYTE_OP(quiesceNs, quiescens_func)
67TWO_BYTE_OP(quiesceCycle, quiescecycle_func)
68TWO_BYTE_OP(quiesceTime, quiescetime_func)
69TWO_BYTE_OP(rpns, rpns_func)
70TWO_BYTE_OP(m5_exit, exit_func)
71TWO_BYTE_OP(m5_fail, fail_func)
72TWO_BYTE_OP(m5_initparam, initparam_func)
73TWO_BYTE_OP(m5_loadsymbol, loadsymbol_func)
74TWO_BYTE_OP(m5_reset_stats, resetstats_func)
75TWO_BYTE_OP(m5_dump_stats, dumpstats_func)
76TWO_BYTE_OP(m5_dumpreset_stats, dumprststats_func)
77TWO_BYTE_OP(m5_checkpoint, ckpt_func)
78TWO_BYTE_OP(m5_readfile, readfile_func)
79TWO_BYTE_OP(m5_writefile, writefile_func)
80TWO_BYTE_OP(m5_debugbreak, debugbreak_func)
81TWO_BYTE_OP(m5_switchcpu, switchcpu_func)
82TWO_BYTE_OP(m5_addsymbol, addsymbol_func)
83TWO_BYTE_OP(m5_panic, panic_func)
84TWO_BYTE_OP(m5_work_begin, work_begin_func)
85TWO_BYTE_OP(m5_work_end, work_end_func)
86