59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
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/*
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* Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HEXAGON_CPU_BITS_H
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#define HEXAGON_CPU_BITS_H
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#include "qemu/bitops.h"
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#define HEX_EXCP_FETCH_NO_UPAGE 0x012
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#define HEX_EXCP_INVALID_PACKET 0x015
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#define HEX_EXCP_INVALID_OPCODE 0x015
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#define HEX_EXCP_PRIV_NO_UREAD 0x024
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#define HEX_EXCP_PRIV_NO_UWRITE 0x025
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#define HEX_EXCP_TRAP0 0x172
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#define PACKET_WORDS_MAX 4
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static inline uint32_t parse_bits(uint32_t encoding)
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{
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/* The parse bits are [15:14] */
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return extract32(encoding, 14, 2);
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}
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static inline uint32_t iclass_bits(uint32_t encoding)
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{
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/* The instruction class is encoded in bits [31:28] */
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uint32_t iclass = extract32(encoding, 28, 4);
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/* If parse bits are zero, this is a duplex */
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if (parse_bits(encoding) == 0) {
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iclass += 16;
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}
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return iclass;
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}
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static inline int is_packet_end(uint32_t endocing)
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{
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uint32_t bits = parse_bits(endocing);
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return ((bits == 0x3) || (bits == 0x0));
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}
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int disassemble_hexagon(uint32_t *words, int nwords, bfd_vma pc, GString *buf);
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#endif
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