70 lines
2.5 KiB
C
70 lines
2.5 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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#include "qemu/osdep.h"
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#include "iclass.h"
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static const SlotMask iclass_info[] = {
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#define DEF_PP_ICLASS32(TYPE, SLOTS, UNITS) \
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[ICLASS_FROM_TYPE(TYPE)] = SLOTS_##SLOTS,
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#define DEF_EE_ICLASS32(TYPE, SLOTS, UNITS) \
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[ICLASS_FROM_TYPE(TYPE)] = SLOTS_##SLOTS,
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#include "imported/iclass.def"
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#undef DEF_PP_ICLASS32
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#undef DEF_EE_ICLASS32
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};
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SlotMask find_iclass_slots(Opcode opcode, int itype)
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{
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/* There are some exceptions to what the iclass dictates */
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if (GET_ATTRIB(opcode, A_ICOP)) {
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return SLOTS_2;
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} else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT0ONLY)) {
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return SLOTS_0;
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} else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT1ONLY)) {
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return SLOTS_1;
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} else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT2ONLY)) {
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return SLOTS_2;
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} else if (GET_ATTRIB(opcode, A_RESTRICT_SLOT3ONLY)) {
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return SLOTS_3;
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} else if (GET_ATTRIB(opcode, A_COF) &&
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GET_ATTRIB(opcode, A_INDIRECT) &&
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!GET_ATTRIB(opcode, A_MEMLIKE) &&
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!GET_ATTRIB(opcode, A_MEMLIKE_PACKET_RULES)) {
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return SLOTS_2;
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} else if (GET_ATTRIB(opcode, A_RESTRICT_NOSLOT1)) {
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return SLOTS_0;
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} else if ((opcode == J2_trap0) ||
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(opcode == Y2_isync) ||
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(opcode == J2_pause) || (opcode == J4_hintjumpr)) {
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return SLOTS_2;
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} else if (GET_ATTRIB(opcode, A_CRSLOT23)) {
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return SLOTS_23;
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} else if (GET_ATTRIB(opcode, A_RESTRICT_PREFERSLOT0)) {
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return SLOTS_0;
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} else if (GET_ATTRIB(opcode, A_SUBINSN)) {
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return SLOTS_01;
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} else if (GET_ATTRIB(opcode, A_CALL)) {
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return SLOTS_23;
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} else if ((opcode == J4_jumpseti) || (opcode == J4_jumpsetr)) {
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return SLOTS_23;
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} else {
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return iclass_info[itype];
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}
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}
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