143 lines
3.4 KiB
C
143 lines
3.4 KiB
C
/*
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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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/*
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* opcodes.c
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*
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* data tables generated automatically
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* Maybe some functions too
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*/
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#include "qemu/osdep.h"
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#include "attribs.h"
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#include "decode.h"
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#define VEC_DESCR(A, B, C) DESCR(A, B, C)
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#define DONAME(X) #X
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const char * const opcode_names[] = {
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#define OPCODE(IID) DONAME(IID)
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#include "opcodes_def_generated.h.inc"
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NULL
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#undef OPCODE
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};
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const char * const opcode_reginfo[] = {
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#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */
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#define REGINFO(TAG, REGINFO, RREGS, WREGS) REGINFO,
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#include "op_regs_generated.h.inc"
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NULL
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#undef REGINFO
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#undef IMMINFO
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};
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const char * const opcode_rregs[] = {
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#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */
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#define REGINFO(TAG, REGINFO, RREGS, WREGS) RREGS,
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#include "op_regs_generated.h.inc"
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NULL
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#undef REGINFO
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#undef IMMINFO
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};
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const char * const opcode_wregs[] = {
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#define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */
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#define REGINFO(TAG, REGINFO, RREGS, WREGS) WREGS,
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#include "op_regs_generated.h.inc"
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NULL
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#undef REGINFO
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#undef IMMINFO
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};
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const char * const opcode_short_semantics[] = {
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#define DEF_SHORTCODE(TAG, SHORTCODE) [TAG] = #SHORTCODE,
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#include "shortcode_generated.h.inc"
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#undef DEF_SHORTCODE
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NULL
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};
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DECLARE_BITMAP(opcode_attribs[XX_LAST_OPCODE], A_ZZ_LASTATTRIB);
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static void init_attribs(int tag, ...)
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{
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va_list ap;
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int attr;
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va_start(ap, tag);
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while ((attr = va_arg(ap, int)) != 0) {
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set_bit(attr, opcode_attribs[tag]);
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}
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va_end(ap);
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}
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const OpcodeEncoding opcode_encodings[] = {
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#define DEF_ENC32(OPCODE, ENCSTR) \
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[OPCODE] = { .encoding = ENCSTR },
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#define DEF_ENC_SUBINSN(OPCODE, CLASS, ENCSTR) \
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[OPCODE] = { .encoding = ENCSTR, .enc_class = CLASS },
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#define DEF_EXT_ENC(OPCODE, CLASS, ENCSTR) \
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[OPCODE] = { .encoding = ENCSTR, .enc_class = CLASS },
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#include "imported/encode.def"
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#undef DEF_ENC32
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#undef DEF_ENC_SUBINSN
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#undef DEF_EXT_ENC
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};
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void opcode_init(void)
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{
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init_attribs(0, 0);
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#define ATTRIBS(...) , ## __VA_ARGS__, 0
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#define OP_ATTRIB(TAG, ARGS) init_attribs(TAG ARGS);
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#include "op_attribs_generated.h.inc"
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#undef OP_ATTRIB
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#undef ATTRIBS
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decode_init();
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}
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#define NEEDLE "IMMEXT("
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int opcode_which_immediate_is_extended(Opcode opcode)
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{
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const char *p;
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g_assert(opcode < XX_LAST_OPCODE);
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g_assert(GET_ATTRIB(opcode, A_EXTENDABLE));
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p = opcode_short_semantics[opcode];
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p = strstr(p, NEEDLE);
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g_assert(p);
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p += strlen(NEEDLE);
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while (isspace(*p)) {
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p++;
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}
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/* lower is always imm 0, upper always imm 1. */
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if (islower(*p)) {
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return 0;
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} else if (isupper(*p)) {
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return 1;
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} else {
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g_assert_not_reached();
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}
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}
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