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/*
* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HEXAGON_CPU_BITS_H
#define HEXAGON_CPU_BITS_H
#include "qemu/bitops.h"
#define HEX_EXCP_FETCH_NO_UPAGE 0x012
#define HEX_EXCP_INVALID_PACKET 0x015
#define HEX_EXCP_INVALID_OPCODE 0x015
#define HEX_EXCP_PRIV_NO_UREAD 0x024
#define HEX_EXCP_PRIV_NO_UWRITE 0x025
#define HEX_EXCP_TRAP0 0x172
#define PACKET_WORDS_MAX 4
static inline uint32_t parse_bits(uint32_t encoding)
{
/* The parse bits are [15:14] */
return extract32(encoding, 14, 2);
}
static inline uint32_t iclass_bits(uint32_t encoding)
{
/* The instruction class is encoded in bits [31:28] */
uint32_t iclass = extract32(encoding, 28, 4);
/* If parse bits are zero, this is a duplex */
if (parse_bits(encoding) == 0) {
iclass += 16;
}
return iclass;
}
static inline int is_packet_end(uint32_t endocing)
{
uint32_t bits = parse_bits(endocing);
return ((bits == 0x3) || (bits == 0x0));
}
int disassemble_hexagon(uint32_t *words, int nwords, bfd_vma pc, GString *buf);
#endif
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