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/*
* Copyright (c) 2003-2006 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
* Nathan Binkert
* Ali Saidi
*/
#include <gem5/asm/generic/m5ops.h>
#if defined(M5OP_ADDR) && defined(M5OP_PIC)
/* Use the memory mapped m5op interface */
#define TWO_BYTE_OP(name, number) \
.globl name; \
.func name; \
name: \
mov m5_mem@gotpcrel(%rip), %r11; \
mov (%r11), %r11; \
mov $number, %rax; \
shl $8, %rax; \
mov 0(%r11, %rax, 1), %rax; \
ret; \
.endfunc;
#elif defined(M5OP_ADDR) && !defined(M5OP_PIC)
/* Use the memory mapped m5op interface */
#define TWO_BYTE_OP(name, number) \
.globl name; \
.func name; \
name: \
mov m5_mem, %r11; \
mov $number, %rax; \
shl $8, %rax; \
mov 0(%r11, %rax, 1), %rax; \
ret; \
.endfunc;
#else
/* Use the magic instruction based m5op interface. This does not work
* in virtualized environments.
*/
#define TWO_BYTE_OP(name, number) \
.globl name; \
.func name; \
name: \
.byte 0x0F, 0x04; \
.word number; \
ret; \
.endfunc;
#endif
TWO_BYTE_OP(m5_arm, M5OP_ARM)
TWO_BYTE_OP(m5_quiesce, M5OP_QUIESCE)
TWO_BYTE_OP(m5_quiesce_ns, M5OP_QUIESCE_NS)
TWO_BYTE_OP(m5_quiesce_cycle, M5OP_QUIESCE_CYCLE)
TWO_BYTE_OP(m5_quiesce_time, M5OP_QUIESCE_TIME)
TWO_BYTE_OP(m5_rpns, M5OP_RPNS)
TWO_BYTE_OP(m5_wake_cpu, M5OP_WAKE_CPU)
TWO_BYTE_OP(m5_exit, M5OP_EXIT)
TWO_BYTE_OP(m5_fail, M5OP_FAIL)
TWO_BYTE_OP(m5_init_param, M5OP_INIT_PARAM)
TWO_BYTE_OP(m5_load_symbol, M5OP_LOAD_SYMBOL)
TWO_BYTE_OP(m5_reset_stats, M5OP_RESET_STATS)
TWO_BYTE_OP(m5_dump_stats, M5OP_DUMP_STATS)
TWO_BYTE_OP(m5_dump_reset_stats, M5OP_DUMP_RESET_STATS)
TWO_BYTE_OP(m5_checkpoint, M5OP_CHECKPOINT)
TWO_BYTE_OP(m5_read_file, M5OP_READ_FILE)
TWO_BYTE_OP(m5_write_file, M5OP_WRITE_FILE)
TWO_BYTE_OP(m5_debug_break, M5OP_DEBUG_BREAK)
TWO_BYTE_OP(m5_switch_cpu, M5OP_SWITCH_CPU)
TWO_BYTE_OP(m5_add_symbol, M5OP_ADD_SYMBOL)
TWO_BYTE_OP(m5_panic, M5OP_PANIC)
TWO_BYTE_OP(m5_work_begin, M5OP_WORK_BEGIN)
TWO_BYTE_OP(m5_work_end, M5OP_WORK_END)
TWO_BYTE_OP(m5_dist_toggle_sync, M5OP_DIST_TOGGLE_SYNC)
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