| /* |
| * 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) |
