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/*
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SPARC translation
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Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
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Copyright (C) 2003-2005 Fabrice Bellard
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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TODO-list:
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Rest of V9 instructions, VIS instructions
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NPC/PC static optimisations (use JUMP_TB when possible)
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Optimize synthetic instructions
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Optional alignment check
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128-bit float
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Tagged add/sub
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*/
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include "cpu.h" |
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#include "exec-all.h" |
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#include "disas.h" |
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#define DEBUG_DISAS
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#define DYNAMIC_PC 1 /* dynamic pc value */ |
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#define JUMP_PC 2 /* dynamic pc value which takes only two values |
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according to jump_pc[T2] */
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|
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typedef struct DisasContext { |
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target_ulong pc; /* current Program Counter: integer or DYNAMIC_PC */
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target_ulong npc; /* next PC: integer or DYNAMIC_PC or JUMP_PC */
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target_ulong jump_pc[2]; /* used when JUMP_PC pc value is used */ |
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int is_br;
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int mem_idx;
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struct TranslationBlock *tb;
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} DisasContext; |
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static uint16_t *gen_opc_ptr;
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static uint32_t *gen_opparam_ptr;
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extern FILE *logfile;
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extern int loglevel; |
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enum {
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#define DEF(s,n,copy_size) INDEX_op_ ## s, |
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#include "opc.h" |
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#undef DEF
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NB_OPS |
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}; |
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#include "gen-op.h" |
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|
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// This function uses non-native bit order
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#define GET_FIELD(X, FROM, TO) \
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((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1)) |
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// This function uses the order in the manuals, i.e. bit 0 is 2^0
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#define GET_FIELD_SP(X, FROM, TO) \
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GET_FIELD(X, 31 - (TO), 31 - (FROM)) |
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#define GET_FIELDs(x,a,b) sign_extend (GET_FIELD(x,a,b), (b) - (a) + 1) |
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#define GET_FIELD_SPs(x,a,b) sign_extend (GET_FIELD_SP(x,a,b), 32 - ((b) - (a) + 1)) |
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#ifdef TARGET_SPARC64
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#define DFPREG(r) (((r & 1) << 6) | (r & 0x1e)) |
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#else
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#define DFPREG(r) (r)
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#endif
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#ifdef USE_DIRECT_JUMP
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#define TBPARAM(x)
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#else
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#define TBPARAM(x) (long)(x) |
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#endif
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static int sign_extend(int x, int len) |
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{
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len = 32 - len;
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return (x << len) >> len;
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} |
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#define IS_IMM (insn & (1<<13)) |
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static void disas_sparc_insn(DisasContext * dc); |
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|
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static GenOpFunc *gen_op_movl_TN_reg[2][32] = { |
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{
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gen_op_movl_g0_T0, |
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gen_op_movl_g1_T0, |
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gen_op_movl_g2_T0, |
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gen_op_movl_g3_T0, |
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gen_op_movl_g4_T0, |
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gen_op_movl_g5_T0, |
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gen_op_movl_g6_T0, |
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gen_op_movl_g7_T0, |
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gen_op_movl_o0_T0, |
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gen_op_movl_o1_T0, |
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gen_op_movl_o2_T0, |
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gen_op_movl_o3_T0, |
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gen_op_movl_o4_T0, |
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gen_op_movl_o5_T0, |
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gen_op_movl_o6_T0, |
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gen_op_movl_o7_T0, |
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gen_op_movl_l0_T0, |
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gen_op_movl_l1_T0, |
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gen_op_movl_l2_T0, |
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gen_op_movl_l3_T0, |
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gen_op_movl_l4_T0, |
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gen_op_movl_l5_T0, |
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gen_op_movl_l6_T0, |
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gen_op_movl_l7_T0, |
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gen_op_movl_i0_T0, |
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gen_op_movl_i1_T0, |
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gen_op_movl_i2_T0, |
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gen_op_movl_i3_T0, |
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gen_op_movl_i4_T0, |
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gen_op_movl_i5_T0, |
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gen_op_movl_i6_T0, |
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gen_op_movl_i7_T0, |
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}, |
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{
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gen_op_movl_g0_T1, |
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gen_op_movl_g1_T1, |
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gen_op_movl_g2_T1, |
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gen_op_movl_g3_T1, |
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gen_op_movl_g4_T1, |
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gen_op_movl_g5_T1, |
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gen_op_movl_g6_T1, |
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gen_op_movl_g7_T1, |
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gen_op_movl_o0_T1, |
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gen_op_movl_o1_T1, |
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gen_op_movl_o2_T1, |
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gen_op_movl_o3_T1, |
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gen_op_movl_o4_T1, |
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gen_op_movl_o5_T1, |
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gen_op_movl_o6_T1, |
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gen_op_movl_o7_T1, |
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gen_op_movl_l0_T1, |
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gen_op_movl_l1_T1, |
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gen_op_movl_l2_T1, |
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gen_op_movl_l3_T1, |
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gen_op_movl_l4_T1, |
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gen_op_movl_l5_T1, |
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gen_op_movl_l6_T1, |
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gen_op_movl_l7_T1, |
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gen_op_movl_i0_T1, |
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gen_op_movl_i1_T1, |
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gen_op_movl_i2_T1, |
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gen_op_movl_i3_T1, |
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gen_op_movl_i4_T1, |
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gen_op_movl_i5_T1, |
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gen_op_movl_i6_T1, |
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gen_op_movl_i7_T1, |
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} |
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}; |
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static GenOpFunc *gen_op_movl_reg_TN[3][32] = { |
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{
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gen_op_movl_T0_g0, |
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gen_op_movl_T0_g1, |
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gen_op_movl_T0_g2, |
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gen_op_movl_T0_g3, |
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gen_op_movl_T0_g4, |
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gen_op_movl_T0_g5, |
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gen_op_movl_T0_g6, |
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gen_op_movl_T0_g7, |
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gen_op_movl_T0_o0, |
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gen_op_movl_T0_o1, |
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gen_op_movl_T0_o2, |
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gen_op_movl_T0_o3, |
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gen_op_movl_T0_o4, |
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gen_op_movl_T0_o5, |
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gen_op_movl_T0_o6, |
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gen_op_movl_T0_o7, |
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gen_op_movl_T0_l0, |
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gen_op_movl_T0_l1, |
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gen_op_movl_T0_l2, |
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gen_op_movl_T0_l3, |
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gen_op_movl_T0_l4, |
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gen_op_movl_T0_l5, |
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gen_op_movl_T0_l6, |
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gen_op_movl_T0_l7, |
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gen_op_movl_T0_i0, |
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gen_op_movl_T0_i1, |
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gen_op_movl_T0_i2, |
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gen_op_movl_T0_i3, |
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gen_op_movl_T0_i4, |
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gen_op_movl_T0_i5, |
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gen_op_movl_T0_i6, |
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gen_op_movl_T0_i7, |
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}, |
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{
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gen_op_movl_T1_g0, |
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gen_op_movl_T1_g1, |
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gen_op_movl_T1_g2, |
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gen_op_movl_T1_g3, |
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gen_op_movl_T1_g4, |
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gen_op_movl_T1_g5, |
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gen_op_movl_T1_g6, |
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gen_op_movl_T1_g7, |
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gen_op_movl_T1_o0, |
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gen_op_movl_T1_o1, |
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gen_op_movl_T1_o2, |
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gen_op_movl_T1_o3, |
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gen_op_movl_T1_o4, |
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gen_op_movl_T1_o5, |
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gen_op_movl_T1_o6, |
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gen_op_movl_T1_o7, |
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gen_op_movl_T1_l0, |
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gen_op_movl_T1_l1, |
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gen_op_movl_T1_l2, |
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gen_op_movl_T1_l3, |
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gen_op_movl_T1_l4, |
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gen_op_movl_T1_l5, |
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gen_op_movl_T1_l6, |
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gen_op_movl_T1_l7, |
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gen_op_movl_T1_i0, |
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gen_op_movl_T1_i1, |
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gen_op_movl_T1_i2, |
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gen_op_movl_T1_i3, |
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gen_op_movl_T1_i4, |
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gen_op_movl_T1_i5, |
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gen_op_movl_T1_i6, |
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gen_op_movl_T1_i7, |
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}, |
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{
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gen_op_movl_T2_g0, |
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gen_op_movl_T2_g1, |
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gen_op_movl_T2_g2, |
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gen_op_movl_T2_g3, |
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gen_op_movl_T2_g4, |
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gen_op_movl_T2_g5, |
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gen_op_movl_T2_g6, |
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gen_op_movl_T2_g7, |
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gen_op_movl_T2_o0, |
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gen_op_movl_T2_o1, |
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gen_op_movl_T2_o2, |
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gen_op_movl_T2_o3, |
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gen_op_movl_T2_o4, |
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gen_op_movl_T2_o5, |
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gen_op_movl_T2_o6, |
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gen_op_movl_T2_o7, |
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gen_op_movl_T2_l0, |
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gen_op_movl_T2_l1, |
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gen_op_movl_T2_l2, |
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gen_op_movl_T2_l3, |
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gen_op_movl_T2_l4, |
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gen_op_movl_T2_l5, |
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gen_op_movl_T2_l6, |
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gen_op_movl_T2_l7, |
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gen_op_movl_T2_i0, |
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gen_op_movl_T2_i1, |
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gen_op_movl_T2_i2, |
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gen_op_movl_T2_i3, |
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gen_op_movl_T2_i4, |
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gen_op_movl_T2_i5, |
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gen_op_movl_T2_i6, |
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gen_op_movl_T2_i7, |
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} |
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}; |
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|
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static GenOpFunc1 *gen_op_movl_TN_im[3] = { |
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gen_op_movl_T0_im, |
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gen_op_movl_T1_im, |
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gen_op_movl_T2_im |
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}; |
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// Sign extending version
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static GenOpFunc1 * const gen_op_movl_TN_sim[3] = { |
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gen_op_movl_T0_sim, |
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gen_op_movl_T1_sim, |
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gen_op_movl_T2_sim |
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}; |
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#ifdef TARGET_SPARC64
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#define GEN32(func, NAME) \
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static GenOpFunc *NAME ## _table [64] = { \ |
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NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ |
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NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
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NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
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NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
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NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
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NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
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NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
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NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
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NAME ## 32, 0, NAME ## 34, 0, NAME ## 36, 0, NAME ## 38, 0, \ |
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NAME ## 40, 0, NAME ## 42, 0, NAME ## 44, 0, NAME ## 46, 0, \ |
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NAME ## 48, 0, NAME ## 50, 0, NAME ## 52, 0, NAME ## 54, 0, \ |
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NAME ## 56, 0, NAME ## 58, 0, NAME ## 60, 0, NAME ## 62, 0, \ |
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}; \ |
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static inline void func(int n) \ |
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{ \
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NAME ## _table[n](); \ |
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} |
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#else
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#define GEN32(func, NAME) \
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static GenOpFunc *NAME ## _table [32] = { \ |
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NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ |
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NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
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NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
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NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
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NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
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NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
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NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
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NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
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}; \ |
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static inline void func(int n) \ |
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{ \
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NAME ## _table[n](); \ |
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} |
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#endif
|
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|
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/* floating point registers moves */
|
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GEN32(gen_op_load_fpr_FT0, gen_op_load_fpr_FT0_fprf); |
| 334 |
GEN32(gen_op_load_fpr_FT1, gen_op_load_fpr_FT1_fprf); |
| 335 |
GEN32(gen_op_store_FT0_fpr, gen_op_store_FT0_fpr_fprf); |
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GEN32(gen_op_store_FT1_fpr, gen_op_store_FT1_fpr_fprf); |
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|
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GEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fprf); |
| 339 |
GEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fprf); |
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GEN32(gen_op_store_DT0_fpr, gen_op_store_DT0_fpr_fprf); |
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GEN32(gen_op_store_DT1_fpr, gen_op_store_DT1_fpr_fprf); |
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|
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#ifdef TARGET_SPARC64
|
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// 'a' versions allowed to user depending on asi
|
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#if defined(CONFIG_USER_ONLY)
|
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#define supervisor(dc) 0 |
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#define gen_op_ldst(name) gen_op_##name##_raw() |
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#define OP_LD_TABLE(width) \
|
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static void gen_op_##width##a(int insn, int is_ld, int size, int sign) \ |
| 350 |
{ \
|
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int asi, offset; \
|
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\ |
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if (IS_IMM) { \
|
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offset = GET_FIELD(insn, 25, 31); \ |
| 355 |
if (is_ld) \
|
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gen_op_ld_asi_reg(offset, size, sign); \ |
| 357 |
else \
|
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gen_op_st_asi_reg(offset, size, sign); \ |
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return; \
|
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} \ |
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asi = GET_FIELD(insn, 19, 26); \ |
| 362 |
switch (asi) { \
|
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case 0x80: /* Primary address space */ \ |
| 364 |
gen_op_##width##_raw(); \ |
| 365 |
break; \
|
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default: \
|
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break; \
|
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} \ |
| 369 |
} |
| 370 |
|
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#else
|
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#define gen_op_ldst(name) (*gen_op_##name[dc->mem_idx])() |
| 373 |
#define OP_LD_TABLE(width) \
|
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static GenOpFunc *gen_op_##width[] = { \ |
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&gen_op_##width##_user, \ |
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&gen_op_##width##_kernel, \ |
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}; \ |
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\ |
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static void gen_op_##width##a(int insn, int is_ld, int size, int sign) \ |
| 380 |
{ \
|
| 381 |
int asi, offset; \
|
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\ |
| 383 |
if (IS_IMM) { \
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offset = GET_FIELD(insn, 25, 31); \ |
| 385 |
if (is_ld) \
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gen_op_ld_asi_reg(offset, size, sign); \ |
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else \
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gen_op_st_asi_reg(offset, size, sign); \ |
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return; \
|
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} \ |
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asi = GET_FIELD(insn, 19, 26); \ |
| 392 |
if (is_ld) \
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gen_op_ld_asi(asi, size, sign); \ |
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else \
|
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gen_op_st_asi(asi, size, sign); \ |
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} |
| 397 |
|
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#define supervisor(dc) (dc->mem_idx == 1) |
| 399 |
#endif
|
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#else
|
| 401 |
#if defined(CONFIG_USER_ONLY)
|
| 402 |
#define gen_op_ldst(name) gen_op_##name##_raw() |
| 403 |
#define OP_LD_TABLE(width)
|
| 404 |
#define supervisor(dc) 0 |
| 405 |
#else
|
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#define gen_op_ldst(name) (*gen_op_##name[dc->mem_idx])() |
| 407 |
#define OP_LD_TABLE(width) \
|
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static GenOpFunc *gen_op_##width[] = { \ |
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&gen_op_##width##_user, \ |
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&gen_op_##width##_kernel, \ |
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}; \ |
| 412 |
\ |
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static void gen_op_##width##a(int insn, int is_ld, int size, int sign) \ |
| 414 |
{ \
|
| 415 |
int asi; \
|
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\ |
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asi = GET_FIELD(insn, 19, 26); \ |
| 418 |
switch (asi) { \
|
| 419 |
case 10: /* User data access */ \ |
| 420 |
gen_op_##width##_user(); \ |
| 421 |
break; \
|
| 422 |
case 11: /* Supervisor data access */ \ |
| 423 |
gen_op_##width##_kernel(); \ |
| 424 |
break; \
|
| 425 |
case 0x20 ... 0x2f: /* MMU passthrough */ \ |
| 426 |
if (is_ld) \
|
| 427 |
gen_op_ld_asi(asi, size, sign); \ |
| 428 |
else \
|
| 429 |
gen_op_st_asi(asi, size, sign); \ |
| 430 |
break; \
|
| 431 |
default: \
|
| 432 |
if (is_ld) \
|
| 433 |
gen_op_ld_asi(asi, size, sign); \ |
| 434 |
else \
|
| 435 |
gen_op_st_asi(asi, size, sign); \ |
| 436 |
break; \
|
| 437 |
} \ |
| 438 |
} |
| 439 |
|
| 440 |
#define supervisor(dc) (dc->mem_idx == 1) |
| 441 |
#endif
|
| 442 |
#endif
|
| 443 |
|
| 444 |
OP_LD_TABLE(ld); |
| 445 |
OP_LD_TABLE(st); |
| 446 |
OP_LD_TABLE(ldub); |
| 447 |
OP_LD_TABLE(lduh); |
| 448 |
OP_LD_TABLE(ldsb); |
| 449 |
OP_LD_TABLE(ldsh); |
| 450 |
OP_LD_TABLE(stb); |
| 451 |
OP_LD_TABLE(sth); |
| 452 |
OP_LD_TABLE(std); |
| 453 |
OP_LD_TABLE(ldstub); |
| 454 |
OP_LD_TABLE(swap); |
| 455 |
OP_LD_TABLE(ldd); |
| 456 |
OP_LD_TABLE(stf); |
| 457 |
OP_LD_TABLE(stdf); |
| 458 |
OP_LD_TABLE(ldf); |
| 459 |
OP_LD_TABLE(lddf); |
| 460 |
|
| 461 |
#ifdef TARGET_SPARC64
|
| 462 |
OP_LD_TABLE(ldsw); |
| 463 |
OP_LD_TABLE(ldx); |
| 464 |
OP_LD_TABLE(stx); |
| 465 |
OP_LD_TABLE(cas); |
| 466 |
OP_LD_TABLE(casx); |
| 467 |
#endif
|
| 468 |
|
| 469 |
static inline void gen_movl_imm_TN(int reg, uint32_t imm) |
| 470 |
{
|
| 471 |
gen_op_movl_TN_im[reg](imm); |
| 472 |
} |
| 473 |
|
| 474 |
static inline void gen_movl_imm_T1(uint32_t val) |
| 475 |
{
|
| 476 |
gen_movl_imm_TN(1, val);
|
| 477 |
} |
| 478 |
|
| 479 |
static inline void gen_movl_imm_T0(uint32_t val) |
| 480 |
{
|
| 481 |
gen_movl_imm_TN(0, val);
|
| 482 |
} |
| 483 |
|
| 484 |
static inline void gen_movl_simm_TN(int reg, int32_t imm) |
| 485 |
{
|
| 486 |
gen_op_movl_TN_sim[reg](imm); |
| 487 |
} |
| 488 |
|
| 489 |
static inline void gen_movl_simm_T1(int32_t val) |
| 490 |
{
|
| 491 |
gen_movl_simm_TN(1, val);
|
| 492 |
} |
| 493 |
|
| 494 |
static inline void gen_movl_simm_T0(int32_t val) |
| 495 |
{
|
| 496 |
gen_movl_simm_TN(0, val);
|
| 497 |
} |
| 498 |
|
| 499 |
static inline void gen_movl_reg_TN(int reg, int t) |
| 500 |
{
|
| 501 |
if (reg)
|
| 502 |
gen_op_movl_reg_TN[t][reg] (); |
| 503 |
else
|
| 504 |
gen_movl_imm_TN(t, 0);
|
| 505 |
} |
| 506 |
|
| 507 |
static inline void gen_movl_reg_T0(int reg) |
| 508 |
{
|
| 509 |
gen_movl_reg_TN(reg, 0);
|
| 510 |
} |
| 511 |
|
| 512 |
static inline void gen_movl_reg_T1(int reg) |
| 513 |
{
|
| 514 |
gen_movl_reg_TN(reg, 1);
|
| 515 |
} |
| 516 |
|
| 517 |
static inline void gen_movl_reg_T2(int reg) |
| 518 |
{
|
| 519 |
gen_movl_reg_TN(reg, 2);
|
| 520 |
} |
| 521 |
|
| 522 |
static inline void gen_movl_TN_reg(int reg, int t) |
| 523 |
{
|
| 524 |
if (reg)
|
| 525 |
gen_op_movl_TN_reg[t][reg] (); |
| 526 |
} |
| 527 |
|
| 528 |
static inline void gen_movl_T0_reg(int reg) |
| 529 |
{
|
| 530 |
gen_movl_TN_reg(reg, 0);
|
| 531 |
} |
| 532 |
|
| 533 |
static inline void gen_movl_T1_reg(int reg) |
| 534 |
{
|
| 535 |
gen_movl_TN_reg(reg, 1);
|
| 536 |
} |
| 537 |
|
| 538 |
static inline void gen_jmp_im(target_ulong pc) |
| 539 |
{
|
| 540 |
#ifdef TARGET_SPARC64
|
| 541 |
if (pc == (uint32_t)pc) {
|
| 542 |
gen_op_jmp_im(pc); |
| 543 |
} else {
|
| 544 |
gen_op_jmp_im64(pc >> 32, pc);
|
| 545 |
} |
| 546 |
#else
|
| 547 |
gen_op_jmp_im(pc); |
| 548 |
#endif
|
| 549 |
} |
| 550 |
|
| 551 |
static inline void gen_movl_npc_im(target_ulong npc) |
| 552 |
{
|
| 553 |
#ifdef TARGET_SPARC64
|
| 554 |
if (npc == (uint32_t)npc) {
|
| 555 |
gen_op_movl_npc_im(npc); |
| 556 |
} else {
|
| 557 |
gen_op_movq_npc_im64(npc >> 32, npc);
|
| 558 |
} |
| 559 |
#else
|
| 560 |
gen_op_movl_npc_im(npc); |
| 561 |
#endif
|
| 562 |
} |
| 563 |
|
| 564 |
static inline void gen_goto_tb(DisasContext *s, int tb_num, |
| 565 |
target_ulong pc, target_ulong npc) |
| 566 |
{
|
| 567 |
TranslationBlock *tb; |
| 568 |
|
| 569 |
tb = s->tb; |
| 570 |
if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) &&
|
| 571 |
(npc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK)) {
|
| 572 |
/* jump to same page: we can use a direct jump */
|
| 573 |
if (tb_num == 0) |
| 574 |
gen_op_goto_tb0(TBPARAM(tb)); |
| 575 |
else
|
| 576 |
gen_op_goto_tb1(TBPARAM(tb)); |
| 577 |
gen_jmp_im(pc); |
| 578 |
gen_movl_npc_im(npc); |
| 579 |
gen_op_movl_T0_im((long)tb + tb_num);
|
| 580 |
gen_op_exit_tb(); |
| 581 |
} else {
|
| 582 |
/* jump to another page: currently not optimized */
|
| 583 |
gen_jmp_im(pc); |
| 584 |
gen_movl_npc_im(npc); |
| 585 |
gen_op_movl_T0_0(); |
| 586 |
gen_op_exit_tb(); |
| 587 |
} |
| 588 |
} |
| 589 |
|
| 590 |
static inline void gen_branch2(DisasContext *dc, long tb, target_ulong pc1, target_ulong pc2) |
| 591 |
{
|
| 592 |
int l1;
|
| 593 |
|
| 594 |
l1 = gen_new_label(); |
| 595 |
|
| 596 |
gen_op_jz_T2_label(l1); |
| 597 |
|
| 598 |
gen_goto_tb(dc, 0, pc1, pc1 + 4); |
| 599 |
|
| 600 |
gen_set_label(l1); |
| 601 |
gen_goto_tb(dc, 1, pc2, pc2 + 4); |
| 602 |
} |
| 603 |
|
| 604 |
static inline void gen_branch_a(DisasContext *dc, long tb, target_ulong pc1, target_ulong pc2) |
| 605 |
{
|
| 606 |
int l1;
|
| 607 |
|
| 608 |
l1 = gen_new_label(); |
| 609 |
|
| 610 |
gen_op_jz_T2_label(l1); |
| 611 |
|
| 612 |
gen_goto_tb(dc, 0, pc2, pc1);
|
| 613 |
|
| 614 |
gen_set_label(l1); |
| 615 |
gen_goto_tb(dc, 1, pc2 + 4, pc2 + 8); |
| 616 |
} |
| 617 |
|
| 618 |
static inline void gen_branch(DisasContext *dc, long tb, target_ulong pc, target_ulong npc) |
| 619 |
{
|
| 620 |
gen_goto_tb(dc, 0, pc, npc);
|
| 621 |
} |
| 622 |
|
| 623 |
static inline void gen_generic_branch(DisasContext *dc, target_ulong npc1, target_ulong npc2) |
| 624 |
{
|
| 625 |
int l1, l2;
|
| 626 |
|
| 627 |
l1 = gen_new_label(); |
| 628 |
l2 = gen_new_label(); |
| 629 |
gen_op_jz_T2_label(l1); |
| 630 |
|
| 631 |
gen_movl_npc_im(npc1); |
| 632 |
gen_op_jmp_label(l2); |
| 633 |
|
| 634 |
gen_set_label(l1); |
| 635 |
gen_movl_npc_im(npc2); |
| 636 |
gen_set_label(l2); |
| 637 |
} |
| 638 |
|
| 639 |
/* call this function before using T2 as it may have been set for a jump */
|
| 640 |
static inline void flush_T2(DisasContext * dc) |
| 641 |
{
|
| 642 |
if (dc->npc == JUMP_PC) {
|
| 643 |
gen_generic_branch(dc, dc->jump_pc[0], dc->jump_pc[1]); |
| 644 |
dc->npc = DYNAMIC_PC; |
| 645 |
} |
| 646 |
} |
| 647 |
|
| 648 |
static inline void save_npc(DisasContext * dc) |
| 649 |
{
|
| 650 |
if (dc->npc == JUMP_PC) {
|
| 651 |
gen_generic_branch(dc, dc->jump_pc[0], dc->jump_pc[1]); |
| 652 |
dc->npc = DYNAMIC_PC; |
| 653 |
} else if (dc->npc != DYNAMIC_PC) { |
| 654 |
gen_movl_npc_im(dc->npc); |
| 655 |
} |
| 656 |
} |
| 657 |
|
| 658 |
static inline void save_state(DisasContext * dc) |
| 659 |
{
|
| 660 |
gen_jmp_im(dc->pc); |
| 661 |
save_npc(dc); |
| 662 |
} |
| 663 |
|
| 664 |
static inline void gen_mov_pc_npc(DisasContext * dc) |
| 665 |
{
|
| 666 |
if (dc->npc == JUMP_PC) {
|
| 667 |
gen_generic_branch(dc, dc->jump_pc[0], dc->jump_pc[1]); |
| 668 |
gen_op_mov_pc_npc(); |
| 669 |
dc->pc = DYNAMIC_PC; |
| 670 |
} else if (dc->npc == DYNAMIC_PC) { |
| 671 |
gen_op_mov_pc_npc(); |
| 672 |
dc->pc = DYNAMIC_PC; |
| 673 |
} else {
|
| 674 |
dc->pc = dc->npc; |
| 675 |
} |
| 676 |
} |
| 677 |
|
| 678 |
static GenOpFunc * const gen_cond[2][16] = { |
| 679 |
{
|
| 680 |
gen_op_eval_ba, |
| 681 |
gen_op_eval_be, |
| 682 |
gen_op_eval_ble, |
| 683 |
gen_op_eval_bl, |
| 684 |
gen_op_eval_bleu, |
| 685 |
gen_op_eval_bcs, |
| 686 |
gen_op_eval_bneg, |
| 687 |
gen_op_eval_bvs, |
| 688 |
gen_op_eval_bn, |
| 689 |
gen_op_eval_bne, |
| 690 |
gen_op_eval_bg, |
| 691 |
gen_op_eval_bge, |
| 692 |
gen_op_eval_bgu, |
| 693 |
gen_op_eval_bcc, |
| 694 |
gen_op_eval_bpos, |
| 695 |
gen_op_eval_bvc, |
| 696 |
}, |
| 697 |
{
|
| 698 |
#ifdef TARGET_SPARC64
|
| 699 |
gen_op_eval_ba, |
| 700 |
gen_op_eval_xbe, |
| 701 |
gen_op_eval_xble, |
| 702 |
gen_op_eval_xbl, |
| 703 |
gen_op_eval_xbleu, |
| 704 |
gen_op_eval_xbcs, |
| 705 |
gen_op_eval_xbneg, |
| 706 |
gen_op_eval_xbvs, |
| 707 |
gen_op_eval_bn, |
| 708 |
gen_op_eval_xbne, |
| 709 |
gen_op_eval_xbg, |
| 710 |
gen_op_eval_xbge, |
| 711 |
gen_op_eval_xbgu, |
| 712 |
gen_op_eval_xbcc, |
| 713 |
gen_op_eval_xbpos, |
| 714 |
gen_op_eval_xbvc, |
| 715 |
#endif
|
| 716 |
}, |
| 717 |
}; |
| 718 |
|
| 719 |
static GenOpFunc * const gen_fcond[4][16] = { |
| 720 |
{
|
| 721 |
gen_op_eval_ba, |
| 722 |
gen_op_eval_fbne, |
| 723 |
gen_op_eval_fblg, |
| 724 |
gen_op_eval_fbul, |
| 725 |
gen_op_eval_fbl, |
| 726 |
gen_op_eval_fbug, |
| 727 |
gen_op_eval_fbg, |
| 728 |
gen_op_eval_fbu, |
| 729 |
gen_op_eval_bn, |
| 730 |
gen_op_eval_fbe, |
| 731 |
gen_op_eval_fbue, |
| 732 |
gen_op_eval_fbge, |
| 733 |
gen_op_eval_fbuge, |
| 734 |
gen_op_eval_fble, |
| 735 |
gen_op_eval_fbule, |
| 736 |
gen_op_eval_fbo, |
| 737 |
}, |
| 738 |
#ifdef TARGET_SPARC64
|
| 739 |
{
|
| 740 |
gen_op_eval_ba, |
| 741 |
gen_op_eval_fbne_fcc1, |
| 742 |
gen_op_eval_fblg_fcc1, |
| 743 |
gen_op_eval_fbul_fcc1, |
| 744 |
gen_op_eval_fbl_fcc1, |
| 745 |
gen_op_eval_fbug_fcc1, |
| 746 |
gen_op_eval_fbg_fcc1, |
| 747 |
gen_op_eval_fbu_fcc1, |
| 748 |
gen_op_eval_bn, |
| 749 |
gen_op_eval_fbe_fcc1, |
| 750 |
gen_op_eval_fbue_fcc1, |
| 751 |
gen_op_eval_fbge_fcc1, |
| 752 |
gen_op_eval_fbuge_fcc1, |
| 753 |
gen_op_eval_fble_fcc1, |
| 754 |
gen_op_eval_fbule_fcc1, |
| 755 |
gen_op_eval_fbo_fcc1, |
| 756 |
}, |
| 757 |
{
|
| 758 |
gen_op_eval_ba, |
| 759 |
gen_op_eval_fbne_fcc2, |
| 760 |
gen_op_eval_fblg_fcc2, |
| 761 |
gen_op_eval_fbul_fcc2, |
| 762 |
gen_op_eval_fbl_fcc2, |
| 763 |
gen_op_eval_fbug_fcc2, |
| 764 |
gen_op_eval_fbg_fcc2, |
| 765 |
gen_op_eval_fbu_fcc2, |
| 766 |
gen_op_eval_bn, |
| 767 |
gen_op_eval_fbe_fcc2, |
| 768 |
gen_op_eval_fbue_fcc2, |
| 769 |
gen_op_eval_fbge_fcc2, |
| 770 |
gen_op_eval_fbuge_fcc2, |
| 771 |
gen_op_eval_fble_fcc2, |
| 772 |
gen_op_eval_fbule_fcc2, |
| 773 |
gen_op_eval_fbo_fcc2, |
| 774 |
}, |
| 775 |
{
|
| 776 |
gen_op_eval_ba, |
| 777 |
gen_op_eval_fbne_fcc3, |
| 778 |
gen_op_eval_fblg_fcc3, |
| 779 |
gen_op_eval_fbul_fcc3, |
| 780 |
gen_op_eval_fbl_fcc3, |
| 781 |
gen_op_eval_fbug_fcc3, |
| 782 |
gen_op_eval_fbg_fcc3, |
| 783 |
gen_op_eval_fbu_fcc3, |
| 784 |
gen_op_eval_bn, |
| 785 |
gen_op_eval_fbe_fcc3, |
| 786 |
gen_op_eval_fbue_fcc3, |
| 787 |
gen_op_eval_fbge_fcc3, |
| 788 |
gen_op_eval_fbuge_fcc3, |
| 789 |
gen_op_eval_fble_fcc3, |
| 790 |
gen_op_eval_fbule_fcc3, |
| 791 |
gen_op_eval_fbo_fcc3, |
| 792 |
}, |
| 793 |
#else
|
| 794 |
{}, {}, {},
|
| 795 |
#endif
|
| 796 |
}; |
| 797 |
|
| 798 |
#ifdef TARGET_SPARC64
|
| 799 |
static void gen_cond_reg(int cond) |
| 800 |
{
|
| 801 |
switch (cond) {
|
| 802 |
case 0x1: |
| 803 |
gen_op_eval_brz(); |
| 804 |
break;
|
| 805 |
case 0x2: |
| 806 |
gen_op_eval_brlez(); |
| 807 |
break;
|
| 808 |
case 0x3: |
| 809 |
gen_op_eval_brlz(); |
| 810 |
break;
|
| 811 |
case 0x5: |
| 812 |
gen_op_eval_brnz(); |
| 813 |
break;
|
| 814 |
case 0x6: |
| 815 |
gen_op_eval_brgz(); |
| 816 |
break;
|
| 817 |
default:
|
| 818 |
case 0x7: |
| 819 |
gen_op_eval_brgez(); |
| 820 |
break;
|
| 821 |
} |
| 822 |
} |
| 823 |
#endif
|
| 824 |
|
| 825 |
/* XXX: potentially incorrect if dynamic npc */
|
| 826 |
static void do_branch(DisasContext * dc, int32_t offset, uint32_t insn, int cc) |
| 827 |
{
|
| 828 |
unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29)); |
| 829 |
target_ulong target = dc->pc + offset; |
| 830 |
|
| 831 |
if (cond == 0x0) { |
| 832 |
/* unconditional not taken */
|
| 833 |
if (a) {
|
| 834 |
dc->pc = dc->npc + 4;
|
| 835 |
dc->npc = dc->pc + 4;
|
| 836 |
} else {
|
| 837 |
dc->pc = dc->npc; |
| 838 |
dc->npc = dc->pc + 4;
|
| 839 |
} |
| 840 |
} else if (cond == 0x8) { |
| 841 |
/* unconditional taken */
|
| 842 |
if (a) {
|
| 843 |
dc->pc = target; |
| 844 |
dc->npc = dc->pc + 4;
|
| 845 |
} else {
|
| 846 |
dc->pc = dc->npc; |
| 847 |
dc->npc = target; |
| 848 |
} |
| 849 |
} else {
|
| 850 |
flush_T2(dc); |
| 851 |
gen_cond[cc][cond](); |
| 852 |
if (a) {
|
| 853 |
gen_branch_a(dc, (long)dc->tb, target, dc->npc);
|
| 854 |
dc->is_br = 1;
|
| 855 |
} else {
|
| 856 |
dc->pc = dc->npc; |
| 857 |
dc->jump_pc[0] = target;
|
| 858 |
dc->jump_pc[1] = dc->npc + 4; |
| 859 |
dc->npc = JUMP_PC; |
| 860 |
} |
| 861 |
} |
| 862 |
} |
| 863 |
|
| 864 |
/* XXX: potentially incorrect if dynamic npc */
|
| 865 |
static void do_fbranch(DisasContext * dc, int32_t offset, uint32_t insn, int cc) |
| 866 |
{
|
| 867 |
unsigned int cond = GET_FIELD(insn, 3, 6), a = (insn & (1 << 29)); |
| 868 |
target_ulong target = dc->pc + offset; |
| 869 |
|
| 870 |
if (cond == 0x0) { |
| 871 |
/* unconditional not taken */
|
| 872 |
if (a) {
|
| 873 |
dc->pc = dc->npc + 4;
|
| 874 |
dc->npc = dc->pc + 4;
|
| 875 |
} else {
|
| 876 |
dc->pc = dc->npc; |
| 877 |
dc->npc = dc->pc + 4;
|
| 878 |
} |
| 879 |
} else if (cond == 0x8) { |
| 880 |
/* unconditional taken */
|
| 881 |
if (a) {
|
| 882 |
dc->pc = target; |
| 883 |
dc->npc = dc->pc + 4;
|
| 884 |
} else {
|
| 885 |
dc->pc = dc->npc; |
| 886 |
dc->npc = target; |
| 887 |
} |
| 888 |
} else {
|
| 889 |
flush_T2(dc); |
| 890 |
gen_fcond[cc][cond](); |
| 891 |
if (a) {
|
| 892 |
gen_branch_a(dc, (long)dc->tb, target, dc->npc);
|
| 893 |
dc->is_br = 1;
|
| 894 |
} else {
|
| 895 |
dc->pc = dc->npc; |
| 896 |
dc->jump_pc[0] = target;
|
| 897 |
dc->jump_pc[1] = dc->npc + 4; |
| 898 |
dc->npc = JUMP_PC; |
| 899 |
} |
| 900 |
} |
| 901 |
} |
| 902 |
|
| 903 |
#ifdef TARGET_SPARC64
|
| 904 |
/* XXX: potentially incorrect if dynamic npc */
|
| 905 |
static void do_branch_reg(DisasContext * dc, int32_t offset, uint32_t insn) |
| 906 |
{
|
| 907 |
unsigned int cond = GET_FIELD_SP(insn, 25, 27), a = (insn & (1 << 29)); |
| 908 |
target_ulong target = dc->pc + offset; |
| 909 |
|
| 910 |
flush_T2(dc); |
| 911 |
gen_cond_reg(cond); |
| 912 |
if (a) {
|
| 913 |
gen_branch_a(dc, (long)dc->tb, target, dc->npc);
|
| 914 |
dc->is_br = 1;
|
| 915 |
} else {
|
| 916 |
dc->pc = dc->npc; |
| 917 |
dc->jump_pc[0] = target;
|
| 918 |
dc->jump_pc[1] = dc->npc + 4; |
| 919 |
dc->npc = JUMP_PC; |
| 920 |
} |
| 921 |
} |
| 922 |
|
| 923 |
static GenOpFunc * const gen_fcmps[4] = { |
| 924 |
gen_op_fcmps, |
| 925 |
gen_op_fcmps_fcc1, |
| 926 |
gen_op_fcmps_fcc2, |
| 927 |
gen_op_fcmps_fcc3, |
| 928 |
}; |
| 929 |
|
| 930 |
static GenOpFunc * const gen_fcmpd[4] = { |
| 931 |
gen_op_fcmpd, |
| 932 |
gen_op_fcmpd_fcc1, |
| 933 |
gen_op_fcmpd_fcc2, |
| 934 |
gen_op_fcmpd_fcc3, |
| 935 |
}; |
| 936 |
#endif
|
| 937 |
|
| 938 |
/* before an instruction, dc->pc must be static */
|
| 939 |
static void disas_sparc_insn(DisasContext * dc) |
| 940 |
{
|
| 941 |
unsigned int insn, opc, rs1, rs2, rd; |
| 942 |
|
| 943 |
insn = ldl_code(dc->pc); |
| 944 |
opc = GET_FIELD(insn, 0, 1); |
| 945 |
|
| 946 |
rd = GET_FIELD(insn, 2, 6); |
| 947 |
switch (opc) {
|
| 948 |
case 0: /* branches/sethi */ |
| 949 |
{
|
| 950 |
unsigned int xop = GET_FIELD(insn, 7, 9); |
| 951 |
int32_t target; |
| 952 |
switch (xop) {
|
| 953 |
#ifdef TARGET_SPARC64
|
| 954 |
case 0x1: /* V9 BPcc */ |
| 955 |
{
|
| 956 |
int cc;
|
| 957 |
|
| 958 |
target = GET_FIELD_SP(insn, 0, 18); |
| 959 |
target <<= 2;
|
| 960 |
target = sign_extend(target, 18);
|
| 961 |
cc = GET_FIELD_SP(insn, 20, 21); |
| 962 |
if (cc == 0) |
| 963 |
do_branch(dc, target, insn, 0);
|
| 964 |
else if (cc == 2) |
| 965 |
do_branch(dc, target, insn, 1);
|
| 966 |
else
|
| 967 |
goto illegal_insn;
|
| 968 |
goto jmp_insn;
|
| 969 |
} |
| 970 |
case 0x3: /* V9 BPr */ |
| 971 |
{
|
| 972 |
target = GET_FIELD_SP(insn, 0, 13) | |
| 973 |
(GET_FIELD_SP(insn, 20, 21) >> 7); |
| 974 |
target <<= 2;
|
| 975 |
target = sign_extend(target, 16);
|
| 976 |
rs1 = GET_FIELD(insn, 13, 17); |
| 977 |
gen_movl_reg_T0(rs1); |
| 978 |
do_branch_reg(dc, target, insn); |
| 979 |
goto jmp_insn;
|
| 980 |
} |
| 981 |
case 0x5: /* V9 FBPcc */ |
| 982 |
{
|
| 983 |
int cc = GET_FIELD_SP(insn, 20, 21); |
| 984 |
#if !defined(CONFIG_USER_ONLY)
|
| 985 |
save_state(dc); |
| 986 |
gen_op_trap_ifnofpu(); |
| 987 |
#endif
|
| 988 |
target = GET_FIELD_SP(insn, 0, 18); |
| 989 |
target <<= 2;
|
| 990 |
target = sign_extend(target, 19);
|
| 991 |
do_fbranch(dc, target, insn, cc); |
| 992 |
goto jmp_insn;
|
| 993 |
} |
| 994 |
#endif
|
| 995 |
case 0x2: /* BN+x */ |
| 996 |
{
|
| 997 |
target = GET_FIELD(insn, 10, 31); |
| 998 |
target <<= 2;
|
| 999 |
target = sign_extend(target, 22);
|
| 1000 |
do_branch(dc, target, insn, 0);
|
| 1001 |
goto jmp_insn;
|
| 1002 |
} |
| 1003 |
case 0x6: /* FBN+x */ |
| 1004 |
{
|
| 1005 |
#if !defined(CONFIG_USER_ONLY)
|
| 1006 |
save_state(dc); |
| 1007 |
gen_op_trap_ifnofpu(); |
| 1008 |
#endif
|
| 1009 |
target = GET_FIELD(insn, 10, 31); |
| 1010 |
target <<= 2;
|
| 1011 |
target = sign_extend(target, 22);
|
| 1012 |
do_fbranch(dc, target, insn, 0);
|
| 1013 |
goto jmp_insn;
|
| 1014 |
} |
| 1015 |
case 0x4: /* SETHI */ |
| 1016 |
#define OPTIM
|
| 1017 |
#if defined(OPTIM)
|
| 1018 |
if (rd) { // nop |
| 1019 |
#endif
|
| 1020 |
uint32_t value = GET_FIELD(insn, 10, 31); |
| 1021 |
gen_movl_imm_T0(value << 10);
|
| 1022 |
gen_movl_T0_reg(rd); |
| 1023 |
#if defined(OPTIM)
|
| 1024 |
} |
| 1025 |
#endif
|
| 1026 |
break;
|
| 1027 |
case 0x0: /* UNIMPL */ |
| 1028 |
default:
|
| 1029 |
goto illegal_insn;
|
| 1030 |
} |
| 1031 |
break;
|
| 1032 |
} |
| 1033 |
break;
|
| 1034 |
case 1: |
| 1035 |
/*CALL*/ {
|
| 1036 |
target_long target = GET_FIELDs(insn, 2, 31) << 2; |
| 1037 |
|
| 1038 |
#ifdef TARGET_SPARC64
|
| 1039 |
if (dc->pc == (uint32_t)dc->pc) {
|
| 1040 |
gen_op_movl_T0_im(dc->pc); |
| 1041 |
} else {
|
| 1042 |
gen_op_movq_T0_im64(dc->pc >> 32, dc->pc);
|
| 1043 |
} |
| 1044 |
#else
|
| 1045 |
gen_op_movl_T0_im(dc->pc); |
| 1046 |
#endif
|
| 1047 |
gen_movl_T0_reg(15);
|
| 1048 |
target += dc->pc; |
| 1049 |
gen_mov_pc_npc(dc); |
| 1050 |
dc->npc = target; |
| 1051 |
} |
| 1052 |
goto jmp_insn;
|
| 1053 |
case 2: /* FPU & Logical Operations */ |
| 1054 |
{
|
| 1055 |
unsigned int xop = GET_FIELD(insn, 7, 12); |
| 1056 |
if (xop == 0x3a) { /* generate trap */ |
| 1057 |
int cond;
|
| 1058 |
|
| 1059 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1060 |
gen_movl_reg_T0(rs1); |
| 1061 |
if (IS_IMM) {
|
| 1062 |
rs2 = GET_FIELD(insn, 25, 31); |
| 1063 |
#if defined(OPTIM)
|
| 1064 |
if (rs2 != 0) { |
| 1065 |
#endif
|
| 1066 |
gen_movl_simm_T1(rs2); |
| 1067 |
gen_op_add_T1_T0(); |
| 1068 |
#if defined(OPTIM)
|
| 1069 |
} |
| 1070 |
#endif
|
| 1071 |
} else {
|
| 1072 |
rs2 = GET_FIELD(insn, 27, 31); |
| 1073 |
#if defined(OPTIM)
|
| 1074 |
if (rs2 != 0) { |
| 1075 |
#endif
|
| 1076 |
gen_movl_reg_T1(rs2); |
| 1077 |
gen_op_add_T1_T0(); |
| 1078 |
#if defined(OPTIM)
|
| 1079 |
} |
| 1080 |
#endif
|
| 1081 |
} |
| 1082 |
save_state(dc); |
| 1083 |
cond = GET_FIELD(insn, 3, 6); |
| 1084 |
if (cond == 0x8) { |
| 1085 |
gen_op_trap_T0(); |
| 1086 |
dc->is_br = 1;
|
| 1087 |
goto jmp_insn;
|
| 1088 |
} else if (cond != 0) { |
| 1089 |
#ifdef TARGET_SPARC64
|
| 1090 |
/* V9 icc/xcc */
|
| 1091 |
int cc = GET_FIELD_SP(insn, 11, 12); |
| 1092 |
if (cc == 0) |
| 1093 |
gen_cond[0][cond]();
|
| 1094 |
else if (cc == 2) |
| 1095 |
gen_cond[1][cond]();
|
| 1096 |
else
|
| 1097 |
goto illegal_insn;
|
| 1098 |
#else
|
| 1099 |
gen_cond[0][cond]();
|
| 1100 |
#endif
|
| 1101 |
gen_op_trapcc_T0(); |
| 1102 |
} |
| 1103 |
} else if (xop == 0x28) { |
| 1104 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1105 |
switch(rs1) {
|
| 1106 |
case 0: /* rdy */ |
| 1107 |
gen_op_movtl_T0_env(offsetof(CPUSPARCState, y)); |
| 1108 |
gen_movl_T0_reg(rd); |
| 1109 |
break;
|
| 1110 |
case 15: /* stbar / V9 membar */ |
| 1111 |
break; /* no effect? */ |
| 1112 |
#ifdef TARGET_SPARC64
|
| 1113 |
case 0x2: /* V9 rdccr */ |
| 1114 |
gen_op_rdccr(); |
| 1115 |
gen_movl_T0_reg(rd); |
| 1116 |
break;
|
| 1117 |
case 0x3: /* V9 rdasi */ |
| 1118 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, asi)); |
| 1119 |
gen_movl_T0_reg(rd); |
| 1120 |
break;
|
| 1121 |
case 0x4: /* V9 rdtick */ |
| 1122 |
gen_op_rdtick(); |
| 1123 |
gen_movl_T0_reg(rd); |
| 1124 |
break;
|
| 1125 |
case 0x5: /* V9 rdpc */ |
| 1126 |
gen_op_movl_T0_im(dc->pc); |
| 1127 |
gen_movl_T0_reg(rd); |
| 1128 |
break;
|
| 1129 |
case 0x6: /* V9 rdfprs */ |
| 1130 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, fprs)); |
| 1131 |
gen_movl_T0_reg(rd); |
| 1132 |
break;
|
| 1133 |
case 0x17: /* Tick compare */ |
| 1134 |
gen_op_movtl_T0_env(offsetof(CPUSPARCState, tick_cmpr)); |
| 1135 |
gen_movl_T0_reg(rd); |
| 1136 |
break;
|
| 1137 |
case 0x18: /* System tick */ |
| 1138 |
gen_op_rdtick(); // XXX
|
| 1139 |
gen_movl_T0_reg(rd); |
| 1140 |
break;
|
| 1141 |
case 0x19: /* System tick compare */ |
| 1142 |
gen_op_movtl_T0_env(offsetof(CPUSPARCState, stick_cmpr)); |
| 1143 |
gen_movl_T0_reg(rd); |
| 1144 |
break;
|
| 1145 |
case 0x10: /* Performance Control */ |
| 1146 |
case 0x11: /* Performance Instrumentation Counter */ |
| 1147 |
case 0x12: /* Dispatch Control */ |
| 1148 |
case 0x13: /* Graphics Status */ |
| 1149 |
case 0x14: /* Softint set, WO */ |
| 1150 |
case 0x15: /* Softint clear, WO */ |
| 1151 |
case 0x16: /* Softint write */ |
| 1152 |
#endif
|
| 1153 |
default:
|
| 1154 |
goto illegal_insn;
|
| 1155 |
} |
| 1156 |
#if !defined(CONFIG_USER_ONLY)
|
| 1157 |
#ifndef TARGET_SPARC64
|
| 1158 |
} else if (xop == 0x29) { /* rdpsr / V9 unimp */ |
| 1159 |
if (!supervisor(dc))
|
| 1160 |
goto priv_insn;
|
| 1161 |
gen_op_rdpsr(); |
| 1162 |
gen_movl_T0_reg(rd); |
| 1163 |
break;
|
| 1164 |
#endif
|
| 1165 |
} else if (xop == 0x2a) { /* rdwim / V9 rdpr */ |
| 1166 |
if (!supervisor(dc))
|
| 1167 |
goto priv_insn;
|
| 1168 |
#ifdef TARGET_SPARC64
|
| 1169 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1170 |
switch (rs1) {
|
| 1171 |
case 0: // tpc |
| 1172 |
gen_op_rdtpc(); |
| 1173 |
break;
|
| 1174 |
case 1: // tnpc |
| 1175 |
gen_op_rdtnpc(); |
| 1176 |
break;
|
| 1177 |
case 2: // tstate |
| 1178 |
gen_op_rdtstate(); |
| 1179 |
break;
|
| 1180 |
case 3: // tt |
| 1181 |
gen_op_rdtt(); |
| 1182 |
break;
|
| 1183 |
case 4: // tick |
| 1184 |
gen_op_rdtick(); |
| 1185 |
break;
|
| 1186 |
case 5: // tba |
| 1187 |
gen_op_movtl_T0_env(offsetof(CPUSPARCState, tbr)); |
| 1188 |
break;
|
| 1189 |
case 6: // pstate |
| 1190 |
gen_op_rdpstate(); |
| 1191 |
break;
|
| 1192 |
case 7: // tl |
| 1193 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, tl)); |
| 1194 |
break;
|
| 1195 |
case 8: // pil |
| 1196 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, psrpil)); |
| 1197 |
break;
|
| 1198 |
case 9: // cwp |
| 1199 |
gen_op_rdcwp(); |
| 1200 |
break;
|
| 1201 |
case 10: // cansave |
| 1202 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, cansave)); |
| 1203 |
break;
|
| 1204 |
case 11: // canrestore |
| 1205 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, canrestore)); |
| 1206 |
break;
|
| 1207 |
case 12: // cleanwin |
| 1208 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, cleanwin)); |
| 1209 |
break;
|
| 1210 |
case 13: // otherwin |
| 1211 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, otherwin)); |
| 1212 |
break;
|
| 1213 |
case 14: // wstate |
| 1214 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, wstate)); |
| 1215 |
break;
|
| 1216 |
case 31: // ver |
| 1217 |
gen_op_movtl_T0_env(offsetof(CPUSPARCState, version)); |
| 1218 |
break;
|
| 1219 |
case 15: // fq |
| 1220 |
default:
|
| 1221 |
goto illegal_insn;
|
| 1222 |
} |
| 1223 |
#else
|
| 1224 |
gen_op_movl_T0_env(offsetof(CPUSPARCState, wim)); |
| 1225 |
#endif
|
| 1226 |
gen_movl_T0_reg(rd); |
| 1227 |
break;
|
| 1228 |
} else if (xop == 0x2b) { /* rdtbr / V9 flushw */ |
| 1229 |
#ifdef TARGET_SPARC64
|
| 1230 |
gen_op_flushw(); |
| 1231 |
#else
|
| 1232 |
if (!supervisor(dc))
|
| 1233 |
goto priv_insn;
|
| 1234 |
gen_op_movtl_T0_env(offsetof(CPUSPARCState, tbr)); |
| 1235 |
gen_movl_T0_reg(rd); |
| 1236 |
#endif
|
| 1237 |
break;
|
| 1238 |
#endif
|
| 1239 |
} else if (xop == 0x34) { /* FPU Operations */ |
| 1240 |
#if !defined(CONFIG_USER_ONLY)
|
| 1241 |
save_state(dc); |
| 1242 |
gen_op_trap_ifnofpu(); |
| 1243 |
#endif
|
| 1244 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1245 |
rs2 = GET_FIELD(insn, 27, 31); |
| 1246 |
xop = GET_FIELD(insn, 18, 26); |
| 1247 |
switch (xop) {
|
| 1248 |
case 0x1: /* fmovs */ |
| 1249 |
gen_op_load_fpr_FT0(rs2); |
| 1250 |
gen_op_store_FT0_fpr(rd); |
| 1251 |
break;
|
| 1252 |
case 0x5: /* fnegs */ |
| 1253 |
gen_op_load_fpr_FT1(rs2); |
| 1254 |
gen_op_fnegs(); |
| 1255 |
gen_op_store_FT0_fpr(rd); |
| 1256 |
break;
|
| 1257 |
case 0x9: /* fabss */ |
| 1258 |
gen_op_load_fpr_FT1(rs2); |
| 1259 |
gen_op_fabss(); |
| 1260 |
gen_op_store_FT0_fpr(rd); |
| 1261 |
break;
|
| 1262 |
case 0x29: /* fsqrts */ |
| 1263 |
gen_op_load_fpr_FT1(rs2); |
| 1264 |
gen_op_fsqrts(); |
| 1265 |
gen_op_store_FT0_fpr(rd); |
| 1266 |
break;
|
| 1267 |
case 0x2a: /* fsqrtd */ |
| 1268 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1269 |
gen_op_fsqrtd(); |
| 1270 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1271 |
break;
|
| 1272 |
case 0x2b: /* fsqrtq */ |
| 1273 |
goto nfpu_insn;
|
| 1274 |
case 0x41: |
| 1275 |
gen_op_load_fpr_FT0(rs1); |
| 1276 |
gen_op_load_fpr_FT1(rs2); |
| 1277 |
gen_op_fadds(); |
| 1278 |
gen_op_store_FT0_fpr(rd); |
| 1279 |
break;
|
| 1280 |
case 0x42: |
| 1281 |
gen_op_load_fpr_DT0(DFPREG(rs1)); |
| 1282 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1283 |
gen_op_faddd(); |
| 1284 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1285 |
break;
|
| 1286 |
case 0x43: /* faddq */ |
| 1287 |
goto nfpu_insn;
|
| 1288 |
case 0x45: |
| 1289 |
gen_op_load_fpr_FT0(rs1); |
| 1290 |
gen_op_load_fpr_FT1(rs2); |
| 1291 |
gen_op_fsubs(); |
| 1292 |
gen_op_store_FT0_fpr(rd); |
| 1293 |
break;
|
| 1294 |
case 0x46: |
| 1295 |
gen_op_load_fpr_DT0(DFPREG(rs1)); |
| 1296 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1297 |
gen_op_fsubd(); |
| 1298 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1299 |
break;
|
| 1300 |
case 0x47: /* fsubq */ |
| 1301 |
goto nfpu_insn;
|
| 1302 |
case 0x49: |
| 1303 |
gen_op_load_fpr_FT0(rs1); |
| 1304 |
gen_op_load_fpr_FT1(rs2); |
| 1305 |
gen_op_fmuls(); |
| 1306 |
gen_op_store_FT0_fpr(rd); |
| 1307 |
break;
|
| 1308 |
case 0x4a: |
| 1309 |
gen_op_load_fpr_DT0(DFPREG(rs1)); |
| 1310 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1311 |
gen_op_fmuld(); |
| 1312 |
gen_op_store_DT0_fpr(rd); |
| 1313 |
break;
|
| 1314 |
case 0x4b: /* fmulq */ |
| 1315 |
goto nfpu_insn;
|
| 1316 |
case 0x4d: |
| 1317 |
gen_op_load_fpr_FT0(rs1); |
| 1318 |
gen_op_load_fpr_FT1(rs2); |
| 1319 |
gen_op_fdivs(); |
| 1320 |
gen_op_store_FT0_fpr(rd); |
| 1321 |
break;
|
| 1322 |
case 0x4e: |
| 1323 |
gen_op_load_fpr_DT0(DFPREG(rs1)); |
| 1324 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1325 |
gen_op_fdivd(); |
| 1326 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1327 |
break;
|
| 1328 |
case 0x4f: /* fdivq */ |
| 1329 |
goto nfpu_insn;
|
| 1330 |
case 0x69: |
| 1331 |
gen_op_load_fpr_FT0(rs1); |
| 1332 |
gen_op_load_fpr_FT1(rs2); |
| 1333 |
gen_op_fsmuld(); |
| 1334 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1335 |
break;
|
| 1336 |
case 0x6e: /* fdmulq */ |
| 1337 |
goto nfpu_insn;
|
| 1338 |
case 0xc4: |
| 1339 |
gen_op_load_fpr_FT1(rs2); |
| 1340 |
gen_op_fitos(); |
| 1341 |
gen_op_store_FT0_fpr(rd); |
| 1342 |
break;
|
| 1343 |
case 0xc6: |
| 1344 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1345 |
gen_op_fdtos(); |
| 1346 |
gen_op_store_FT0_fpr(rd); |
| 1347 |
break;
|
| 1348 |
case 0xc7: /* fqtos */ |
| 1349 |
goto nfpu_insn;
|
| 1350 |
case 0xc8: |
| 1351 |
gen_op_load_fpr_FT1(rs2); |
| 1352 |
gen_op_fitod(); |
| 1353 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1354 |
break;
|
| 1355 |
case 0xc9: |
| 1356 |
gen_op_load_fpr_FT1(rs2); |
| 1357 |
gen_op_fstod(); |
| 1358 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1359 |
break;
|
| 1360 |
case 0xcb: /* fqtod */ |
| 1361 |
goto nfpu_insn;
|
| 1362 |
case 0xcc: /* fitoq */ |
| 1363 |
goto nfpu_insn;
|
| 1364 |
case 0xcd: /* fstoq */ |
| 1365 |
goto nfpu_insn;
|
| 1366 |
case 0xce: /* fdtoq */ |
| 1367 |
goto nfpu_insn;
|
| 1368 |
case 0xd1: |
| 1369 |
gen_op_load_fpr_FT1(rs2); |
| 1370 |
gen_op_fstoi(); |
| 1371 |
gen_op_store_FT0_fpr(rd); |
| 1372 |
break;
|
| 1373 |
case 0xd2: |
| 1374 |
gen_op_load_fpr_DT1(rs2); |
| 1375 |
gen_op_fdtoi(); |
| 1376 |
gen_op_store_FT0_fpr(rd); |
| 1377 |
break;
|
| 1378 |
case 0xd3: /* fqtoi */ |
| 1379 |
goto nfpu_insn;
|
| 1380 |
#ifdef TARGET_SPARC64
|
| 1381 |
case 0x2: /* V9 fmovd */ |
| 1382 |
gen_op_load_fpr_DT0(DFPREG(rs2)); |
| 1383 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1384 |
break;
|
| 1385 |
case 0x6: /* V9 fnegd */ |
| 1386 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1387 |
gen_op_fnegd(); |
| 1388 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1389 |
break;
|
| 1390 |
case 0xa: /* V9 fabsd */ |
| 1391 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1392 |
gen_op_fabsd(); |
| 1393 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1394 |
break;
|
| 1395 |
case 0x81: /* V9 fstox */ |
| 1396 |
gen_op_load_fpr_FT1(rs2); |
| 1397 |
gen_op_fstox(); |
| 1398 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1399 |
break;
|
| 1400 |
case 0x82: /* V9 fdtox */ |
| 1401 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1402 |
gen_op_fdtox(); |
| 1403 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1404 |
break;
|
| 1405 |
case 0x84: /* V9 fxtos */ |
| 1406 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1407 |
gen_op_fxtos(); |
| 1408 |
gen_op_store_FT0_fpr(rd); |
| 1409 |
break;
|
| 1410 |
case 0x88: /* V9 fxtod */ |
| 1411 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1412 |
gen_op_fxtod(); |
| 1413 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 1414 |
break;
|
| 1415 |
case 0x3: /* V9 fmovq */ |
| 1416 |
case 0x7: /* V9 fnegq */ |
| 1417 |
case 0xb: /* V9 fabsq */ |
| 1418 |
case 0x83: /* V9 fqtox */ |
| 1419 |
case 0x8c: /* V9 fxtoq */ |
| 1420 |
goto nfpu_insn;
|
| 1421 |
#endif
|
| 1422 |
default:
|
| 1423 |
goto illegal_insn;
|
| 1424 |
} |
| 1425 |
} else if (xop == 0x35) { /* FPU Operations */ |
| 1426 |
#ifdef TARGET_SPARC64
|
| 1427 |
int cond;
|
| 1428 |
#endif
|
| 1429 |
#if !defined(CONFIG_USER_ONLY)
|
| 1430 |
save_state(dc); |
| 1431 |
gen_op_trap_ifnofpu(); |
| 1432 |
#endif
|
| 1433 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1434 |
rs2 = GET_FIELD(insn, 27, 31); |
| 1435 |
xop = GET_FIELD(insn, 18, 26); |
| 1436 |
#ifdef TARGET_SPARC64
|
| 1437 |
if ((xop & 0x11f) == 0x005) { // V9 fmovsr |
| 1438 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1439 |
gen_op_load_fpr_FT0(rd); |
| 1440 |
gen_op_load_fpr_FT1(rs2); |
| 1441 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1442 |
gen_movl_reg_T0(rs1); |
| 1443 |
flush_T2(dc); |
| 1444 |
gen_cond_reg(cond); |
| 1445 |
gen_op_fmovs_cc(); |
| 1446 |
gen_op_store_FT0_fpr(rd); |
| 1447 |
break;
|
| 1448 |
} else if ((xop & 0x11f) == 0x006) { // V9 fmovdr |
| 1449 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1450 |
gen_op_load_fpr_DT0(rd); |
| 1451 |
gen_op_load_fpr_DT1(rs2); |
| 1452 |
flush_T2(dc); |
| 1453 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1454 |
gen_movl_reg_T0(rs1); |
| 1455 |
gen_cond_reg(cond); |
| 1456 |
gen_op_fmovs_cc(); |
| 1457 |
gen_op_store_DT0_fpr(rd); |
| 1458 |
break;
|
| 1459 |
} else if ((xop & 0x11f) == 0x007) { // V9 fmovqr |
| 1460 |
goto nfpu_insn;
|
| 1461 |
} |
| 1462 |
#endif
|
| 1463 |
switch (xop) {
|
| 1464 |
#ifdef TARGET_SPARC64
|
| 1465 |
case 0x001: /* V9 fmovscc %fcc0 */ |
| 1466 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1467 |
gen_op_load_fpr_FT0(rd); |
| 1468 |
gen_op_load_fpr_FT1(rs2); |
| 1469 |
flush_T2(dc); |
| 1470 |
gen_fcond[0][cond]();
|
| 1471 |
gen_op_fmovs_cc(); |
| 1472 |
gen_op_store_FT0_fpr(rd); |
| 1473 |
break;
|
| 1474 |
case 0x002: /* V9 fmovdcc %fcc0 */ |
| 1475 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1476 |
gen_op_load_fpr_DT0(rd); |
| 1477 |
gen_op_load_fpr_DT1(rs2); |
| 1478 |
flush_T2(dc); |
| 1479 |
gen_fcond[0][cond]();
|
| 1480 |
gen_op_fmovd_cc(); |
| 1481 |
gen_op_store_DT0_fpr(rd); |
| 1482 |
break;
|
| 1483 |
case 0x003: /* V9 fmovqcc %fcc0 */ |
| 1484 |
goto nfpu_insn;
|
| 1485 |
case 0x041: /* V9 fmovscc %fcc1 */ |
| 1486 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1487 |
gen_op_load_fpr_FT0(rd); |
| 1488 |
gen_op_load_fpr_FT1(rs2); |
| 1489 |
flush_T2(dc); |
| 1490 |
gen_fcond[1][cond]();
|
| 1491 |
gen_op_fmovs_cc(); |
| 1492 |
gen_op_store_FT0_fpr(rd); |
| 1493 |
break;
|
| 1494 |
case 0x042: /* V9 fmovdcc %fcc1 */ |
| 1495 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1496 |
gen_op_load_fpr_DT0(rd); |
| 1497 |
gen_op_load_fpr_DT1(rs2); |
| 1498 |
flush_T2(dc); |
| 1499 |
gen_fcond[1][cond]();
|
| 1500 |
gen_op_fmovd_cc(); |
| 1501 |
gen_op_store_DT0_fpr(rd); |
| 1502 |
break;
|
| 1503 |
case 0x043: /* V9 fmovqcc %fcc1 */ |
| 1504 |
goto nfpu_insn;
|
| 1505 |
case 0x081: /* V9 fmovscc %fcc2 */ |
| 1506 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1507 |
gen_op_load_fpr_FT0(rd); |
| 1508 |
gen_op_load_fpr_FT1(rs2); |
| 1509 |
flush_T2(dc); |
| 1510 |
gen_fcond[2][cond]();
|
| 1511 |
gen_op_fmovs_cc(); |
| 1512 |
gen_op_store_FT0_fpr(rd); |
| 1513 |
break;
|
| 1514 |
case 0x082: /* V9 fmovdcc %fcc2 */ |
| 1515 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1516 |
gen_op_load_fpr_DT0(rd); |
| 1517 |
gen_op_load_fpr_DT1(rs2); |
| 1518 |
flush_T2(dc); |
| 1519 |
gen_fcond[2][cond]();
|
| 1520 |
gen_op_fmovd_cc(); |
| 1521 |
gen_op_store_DT0_fpr(rd); |
| 1522 |
break;
|
| 1523 |
case 0x083: /* V9 fmovqcc %fcc2 */ |
| 1524 |
goto nfpu_insn;
|
| 1525 |
case 0x0c1: /* V9 fmovscc %fcc3 */ |
| 1526 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1527 |
gen_op_load_fpr_FT0(rd); |
| 1528 |
gen_op_load_fpr_FT1(rs2); |
| 1529 |
flush_T2(dc); |
| 1530 |
gen_fcond[3][cond]();
|
| 1531 |
gen_op_fmovs_cc(); |
| 1532 |
gen_op_store_FT0_fpr(rd); |
| 1533 |
break;
|
| 1534 |
case 0x0c2: /* V9 fmovdcc %fcc3 */ |
| 1535 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1536 |
gen_op_load_fpr_DT0(rd); |
| 1537 |
gen_op_load_fpr_DT1(rs2); |
| 1538 |
flush_T2(dc); |
| 1539 |
gen_fcond[3][cond]();
|
| 1540 |
gen_op_fmovd_cc(); |
| 1541 |
gen_op_store_DT0_fpr(rd); |
| 1542 |
break;
|
| 1543 |
case 0x0c3: /* V9 fmovqcc %fcc3 */ |
| 1544 |
goto nfpu_insn;
|
| 1545 |
case 0x101: /* V9 fmovscc %icc */ |
| 1546 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1547 |
gen_op_load_fpr_FT0(rd); |
| 1548 |
gen_op_load_fpr_FT1(rs2); |
| 1549 |
flush_T2(dc); |
| 1550 |
gen_cond[0][cond]();
|
| 1551 |
gen_op_fmovs_cc(); |
| 1552 |
gen_op_store_FT0_fpr(rd); |
| 1553 |
break;
|
| 1554 |
case 0x102: /* V9 fmovdcc %icc */ |
| 1555 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1556 |
gen_op_load_fpr_DT0(rd); |
| 1557 |
gen_op_load_fpr_DT1(rs2); |
| 1558 |
flush_T2(dc); |
| 1559 |
gen_cond[0][cond]();
|
| 1560 |
gen_op_fmovd_cc(); |
| 1561 |
gen_op_store_DT0_fpr(rd); |
| 1562 |
break;
|
| 1563 |
case 0x103: /* V9 fmovqcc %icc */ |
| 1564 |
goto nfpu_insn;
|
| 1565 |
case 0x181: /* V9 fmovscc %xcc */ |
| 1566 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1567 |
gen_op_load_fpr_FT0(rd); |
| 1568 |
gen_op_load_fpr_FT1(rs2); |
| 1569 |
flush_T2(dc); |
| 1570 |
gen_cond[1][cond]();
|
| 1571 |
gen_op_fmovs_cc(); |
| 1572 |
gen_op_store_FT0_fpr(rd); |
| 1573 |
break;
|
| 1574 |
case 0x182: /* V9 fmovdcc %xcc */ |
| 1575 |
cond = GET_FIELD_SP(insn, 14, 17); |
| 1576 |
gen_op_load_fpr_DT0(rd); |
| 1577 |
gen_op_load_fpr_DT1(rs2); |
| 1578 |
flush_T2(dc); |
| 1579 |
gen_cond[1][cond]();
|
| 1580 |
gen_op_fmovd_cc(); |
| 1581 |
gen_op_store_DT0_fpr(rd); |
| 1582 |
break;
|
| 1583 |
case 0x183: /* V9 fmovqcc %xcc */ |
| 1584 |
goto nfpu_insn;
|
| 1585 |
#endif
|
| 1586 |
case 0x51: /* V9 %fcc */ |
| 1587 |
gen_op_load_fpr_FT0(rs1); |
| 1588 |
gen_op_load_fpr_FT1(rs2); |
| 1589 |
#ifdef TARGET_SPARC64
|
| 1590 |
gen_fcmps[rd & 3]();
|
| 1591 |
#else
|
| 1592 |
gen_op_fcmps(); |
| 1593 |
#endif
|
| 1594 |
break;
|
| 1595 |
case 0x52: /* V9 %fcc */ |
| 1596 |
gen_op_load_fpr_DT0(DFPREG(rs1)); |
| 1597 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1598 |
#ifdef TARGET_SPARC64
|
| 1599 |
gen_fcmpd[rd & 3]();
|
| 1600 |
#else
|
| 1601 |
gen_op_fcmpd(); |
| 1602 |
#endif
|
| 1603 |
break;
|
| 1604 |
case 0x53: /* fcmpq */ |
| 1605 |
goto nfpu_insn;
|
| 1606 |
case 0x55: /* fcmpes, V9 %fcc */ |
| 1607 |
gen_op_load_fpr_FT0(rs1); |
| 1608 |
gen_op_load_fpr_FT1(rs2); |
| 1609 |
#ifdef TARGET_SPARC64
|
| 1610 |
gen_fcmps[rd & 3]();
|
| 1611 |
#else
|
| 1612 |
gen_op_fcmps(); /* XXX should trap if qNaN or sNaN */
|
| 1613 |
#endif
|
| 1614 |
break;
|
| 1615 |
case 0x56: /* fcmped, V9 %fcc */ |
| 1616 |
gen_op_load_fpr_DT0(DFPREG(rs1)); |
| 1617 |
gen_op_load_fpr_DT1(DFPREG(rs2)); |
| 1618 |
#ifdef TARGET_SPARC64
|
| 1619 |
gen_fcmpd[rd & 3]();
|
| 1620 |
#else
|
| 1621 |
gen_op_fcmpd(); /* XXX should trap if qNaN or sNaN */
|
| 1622 |
#endif
|
| 1623 |
break;
|
| 1624 |
case 0x57: /* fcmpeq */ |
| 1625 |
goto nfpu_insn;
|
| 1626 |
default:
|
| 1627 |
goto illegal_insn;
|
| 1628 |
} |
| 1629 |
#if defined(OPTIM)
|
| 1630 |
} else if (xop == 0x2) { |
| 1631 |
// clr/mov shortcut
|
| 1632 |
|
| 1633 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1634 |
if (rs1 == 0) { |
| 1635 |
// or %g0, x, y -> mov T1, x; mov y, T1
|
| 1636 |
if (IS_IMM) { /* immediate */ |
| 1637 |
rs2 = GET_FIELDs(insn, 19, 31); |
| 1638 |
gen_movl_simm_T1(rs2); |
| 1639 |
} else { /* register */ |
| 1640 |
rs2 = GET_FIELD(insn, 27, 31); |
| 1641 |
gen_movl_reg_T1(rs2); |
| 1642 |
} |
| 1643 |
gen_movl_T1_reg(rd); |
| 1644 |
} else {
|
| 1645 |
gen_movl_reg_T0(rs1); |
| 1646 |
if (IS_IMM) { /* immediate */ |
| 1647 |
// or x, #0, y -> mov T1, x; mov y, T1
|
| 1648 |
rs2 = GET_FIELDs(insn, 19, 31); |
| 1649 |
if (rs2 != 0) { |
| 1650 |
gen_movl_simm_T1(rs2); |
| 1651 |
gen_op_or_T1_T0(); |
| 1652 |
} |
| 1653 |
} else { /* register */ |
| 1654 |
// or x, %g0, y -> mov T1, x; mov y, T1
|
| 1655 |
rs2 = GET_FIELD(insn, 27, 31); |
| 1656 |
if (rs2 != 0) { |
| 1657 |
gen_movl_reg_T1(rs2); |
| 1658 |
gen_op_or_T1_T0(); |
| 1659 |
} |
| 1660 |
} |
| 1661 |
gen_movl_T0_reg(rd); |
| 1662 |
} |
| 1663 |
#endif
|
| 1664 |
#ifdef TARGET_SPARC64
|
| 1665 |
} else if (xop == 0x25) { /* sll, V9 sllx ( == sll) */ |
| 1666 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1667 |
gen_movl_reg_T0(rs1); |
| 1668 |
if (IS_IMM) { /* immediate */ |
| 1669 |
rs2 = GET_FIELDs(insn, 20, 31); |
| 1670 |
gen_movl_simm_T1(rs2); |
| 1671 |
} else { /* register */ |
| 1672 |
rs2 = GET_FIELD(insn, 27, 31); |
| 1673 |
gen_movl_reg_T1(rs2); |
| 1674 |
} |
| 1675 |
gen_op_sll(); |
| 1676 |
gen_movl_T0_reg(rd); |
| 1677 |
} else if (xop == 0x26) { /* srl, V9 srlx */ |
| 1678 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1679 |
gen_movl_reg_T0(rs1); |
| 1680 |
if (IS_IMM) { /* immediate */ |
| 1681 |
rs2 = GET_FIELDs(insn, 20, 31); |
| 1682 |
gen_movl_simm_T1(rs2); |
| 1683 |
} else { /* register */ |
| 1684 |
rs2 = GET_FIELD(insn, 27, 31); |
| 1685 |
gen_movl_reg_T1(rs2); |
| 1686 |
} |
| 1687 |
if (insn & (1 << 12)) |
| 1688 |
gen_op_srlx(); |
| 1689 |
else
|
| 1690 |
gen_op_srl(); |
| 1691 |
gen_movl_T0_reg(rd); |
| 1692 |
} else if (xop == 0x27) { /* sra, V9 srax */ |
| 1693 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1694 |
gen_movl_reg_T0(rs1); |
| 1695 |
if (IS_IMM) { /* immediate */ |
| 1696 |
rs2 = GET_FIELDs(insn, 20, 31); |
| 1697 |
gen_movl_simm_T1(rs2); |
| 1698 |
} else { /* register */ |
| 1699 |
rs2 = GET_FIELD(insn, 27, 31); |
| 1700 |
gen_movl_reg_T1(rs2); |
| 1701 |
} |
| 1702 |
if (insn & (1 << 12)) |
| 1703 |
gen_op_srax(); |
| 1704 |
else
|
| 1705 |
gen_op_sra(); |
| 1706 |
gen_movl_T0_reg(rd); |
| 1707 |
#endif
|
| 1708 |
} else if (xop < 0x38) { |
| 1709 |
rs1 = GET_FIELD(insn, 13, 17); |
| 1710 |
gen_movl_reg_T0(rs1); |
| 1711 |
if (IS_IMM) { /* immediate */ |
| 1712 |
rs2 = GET_FIELDs(insn, 19, 31); |
| 1713 |
gen_movl_simm_T1(rs2); |
| 1714 |
} else { /* register */ |
| 1715 |
rs2 = GET_FIELD(insn, 27, 31); |
| 1716 |
gen_movl_reg_T1(rs2); |
| 1717 |
} |
| 1718 |
if (xop < 0x20) { |
| 1719 |
switch (xop & ~0x10) { |
| 1720 |
case 0x0: |
| 1721 |
if (xop & 0x10) |
| 1722 |
gen_op_add_T1_T0_cc(); |
| 1723 |
else
|
| 1724 |
gen_op_add_T1_T0(); |
| 1725 |
break;
|
| 1726 |
case 0x1: |
| 1727 |
gen_op_and_T1_T0(); |
| 1728 |
if (xop & 0x10) |
| 1729 |
gen_op_logic_T0_cc(); |
| 1730 |
break;
|
| 1731 |
case 0x2: |
| 1732 |
gen_op_or_T1_T0(); |
| 1733 |
if (xop & 0x10) |
| 1734 |
gen_op_logic_T0_cc(); |
| 1735 |
break;
|
| 1736 |
case 0x3: |
| 1737 |
gen_op_xor_T1_T0(); |
| 1738 |
if (xop & 0x10) |
| 1739 |
gen_op_logic_T0_cc(); |
| 1740 |
break;
|
| 1741 |
case 0x4: |
| 1742 |
if (xop & 0x10) |
| 1743 |
gen_op_sub_T1_T0_cc(); |
| 1744 |
else
|
| 1745 |
gen_op_sub_T1_T0(); |
| 1746 |
break;
|
| 1747 |
case 0x5: |
| 1748 |
gen_op_andn_T1_T0(); |
| 1749 |
if (xop & 0x10) |
| 1750 |
gen_op_logic_T0_cc(); |
| 1751 |
break;
|
| 1752 |
case 0x6: |
| 1753 |
gen_op_orn_T1_T0(); |
| 1754 |
if (xop & 0x10) |
| 1755 |
gen_op_logic_T0_cc(); |
| 1756 |
break;
|
| 1757 |
case 0x7: |
| 1758 |
gen_op_xnor_T1_T0(); |
| 1759 |
if (xop & 0x10) |
| 1760 |
gen_op_logic_T0_cc(); |
| 1761 |
break;
|
| 1762 |
case 0x8: |
| 1763 |
if (xop & 0x10) |
| 1764 |
gen_op_addx_T1_T0_cc(); |
| 1765 |
else
|
| 1766 |
gen_op_addx_T1_T0(); |
| 1767 |
break;
|
| 1768 |
case 0xa: |
| 1769 |
gen_op_umul_T1_T0(); |
| 1770 |
if (xop & 0x10) |
| 1771 |
gen_op_logic_T0_cc(); |
| 1772 |
break;
|
| 1773 |
case 0xb: |
| 1774 |
gen_op_smul_T1_T0(); |
| 1775 |
if (xop & 0x10) |
| 1776 |
gen_op_logic_T0_cc(); |
| 1777 |
break;
|
| 1778 |
case 0xc: |
| 1779 |
if (xop & 0x10) |
| 1780 |
gen_op_subx_T1_T0_cc(); |
| 1781 |
else
|
| 1782 |
gen_op_subx_T1_T0(); |
| 1783 |
break;
|
| 1784 |
case 0xe: |
| 1785 |
gen_op_udiv_T1_T0(); |
| 1786 |
if (xop & 0x10) |
| 1787 |
gen_op_div_cc(); |
| 1788 |
break;
|
| 1789 |
case 0xf: |
| 1790 |
gen_op_sdiv_T1_T0(); |
| 1791 |
if (xop & 0x10) |
| 1792 |
gen_op_div_cc(); |
| 1793 |
break;
|
| 1794 |
default:
|
| 1795 |
goto illegal_insn;
|
| 1796 |
} |
| 1797 |
gen_movl_T0_reg(rd); |
| 1798 |
} else {
|
| 1799 |
switch (xop) {
|
| 1800 |
#ifdef TARGET_SPARC64
|
| 1801 |
case 0x9: /* V9 mulx */ |
| 1802 |
gen_op_mulx_T1_T0(); |
| 1803 |
gen_movl_T0_reg(rd); |
| 1804 |
break;
|
| 1805 |
case 0xd: /* V9 udivx */ |
| 1806 |
gen_op_udivx_T1_T0(); |
| 1807 |
gen_movl_T0_reg(rd); |
| 1808 |
break;
|
| 1809 |
#endif
|
| 1810 |
case 0x20: /* taddcc */ |
| 1811 |
case 0x21: /* tsubcc */ |
| 1812 |
case 0x22: /* taddcctv */ |
| 1813 |
case 0x23: /* tsubcctv */ |
| 1814 |
goto illegal_insn;
|
| 1815 |
case 0x24: /* mulscc */ |
| 1816 |
gen_op_mulscc_T1_T0(); |
| 1817 |
gen_movl_T0_reg(rd); |
| 1818 |
break;
|
| 1819 |
#ifndef TARGET_SPARC64
|
| 1820 |
case 0x25: /* sll */ |
| 1821 |
gen_op_sll(); |
| 1822 |
gen_movl_T0_reg(rd); |
| 1823 |
break;
|
| 1824 |
case 0x26: /* srl */ |
| 1825 |
gen_op_srl(); |
| 1826 |
gen_movl_T0_reg(rd); |
| 1827 |
break;
|
| 1828 |
case 0x27: /* sra */ |
| 1829 |
gen_op_sra(); |
| 1830 |
gen_movl_T0_reg(rd); |
| 1831 |
break;
|
| 1832 |
#endif
|
| 1833 |
case 0x30: |
| 1834 |
{
|
| 1835 |
switch(rd) {
|
| 1836 |
case 0: /* wry */ |
| 1837 |
gen_op_xor_T1_T0(); |
| 1838 |
gen_op_movtl_env_T0(offsetof(CPUSPARCState, y)); |
| 1839 |
break;
|
| 1840 |
#ifdef TARGET_SPARC64
|
| 1841 |
case 0x2: /* V9 wrccr */ |
| 1842 |
gen_op_wrccr(); |
| 1843 |
break;
|
| 1844 |
case 0x3: /* V9 wrasi */ |
| 1845 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, asi)); |
| 1846 |
break;
|
| 1847 |
case 0x6: /* V9 wrfprs */ |
| 1848 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, fprs)); |
| 1849 |
break;
|
| 1850 |
case 0xf: /* V9 sir, nop if user */ |
| 1851 |
#if !defined(CONFIG_USER_ONLY)
|
| 1852 |
if (supervisor(dc))
|
| 1853 |
gen_op_sir(); |
| 1854 |
#endif
|
| 1855 |
break;
|
| 1856 |
case 0x17: /* Tick compare */ |
| 1857 |
#if !defined(CONFIG_USER_ONLY)
|
| 1858 |
if (!supervisor(dc))
|
| 1859 |
goto illegal_insn;
|
| 1860 |
#endif
|
| 1861 |
gen_op_movtl_env_T0(offsetof(CPUSPARCState, tick_cmpr)); |
| 1862 |
break;
|
| 1863 |
case 0x18: /* System tick */ |
| 1864 |
#if !defined(CONFIG_USER_ONLY)
|
| 1865 |
if (!supervisor(dc))
|
| 1866 |
goto illegal_insn;
|
| 1867 |
#endif
|
| 1868 |
gen_op_movtl_env_T0(offsetof(CPUSPARCState, stick_cmpr)); |
| 1869 |
break;
|
| 1870 |
case 0x19: /* System tick compare */ |
| 1871 |
#if !defined(CONFIG_USER_ONLY)
|
| 1872 |
if (!supervisor(dc))
|
| 1873 |
goto illegal_insn;
|
| 1874 |
#endif
|
| 1875 |
gen_op_movtl_env_T0(offsetof(CPUSPARCState, stick_cmpr)); |
| 1876 |
break;
|
| 1877 |
|
| 1878 |
case 0x10: /* Performance Control */ |
| 1879 |
case 0x11: /* Performance Instrumentation Counter */ |
| 1880 |
case 0x12: /* Dispatch Control */ |
| 1881 |
case 0x13: /* Graphics Status */ |
| 1882 |
case 0x14: /* Softint set */ |
| 1883 |
case 0x15: /* Softint clear */ |
| 1884 |
case 0x16: /* Softint write */ |
| 1885 |
#endif
|
| 1886 |
default:
|
| 1887 |
goto illegal_insn;
|
| 1888 |
} |
| 1889 |
} |
| 1890 |
break;
|
| 1891 |
#if !defined(CONFIG_USER_ONLY)
|
| 1892 |
case 0x31: /* wrpsr, V9 saved, restored */ |
| 1893 |
{
|
| 1894 |
if (!supervisor(dc))
|
| 1895 |
goto priv_insn;
|
| 1896 |
#ifdef TARGET_SPARC64
|
| 1897 |
switch (rd) {
|
| 1898 |
case 0: |
| 1899 |
gen_op_saved(); |
| 1900 |
break;
|
| 1901 |
case 1: |
| 1902 |
gen_op_restored(); |
| 1903 |
break;
|
| 1904 |
default:
|
| 1905 |
goto illegal_insn;
|
| 1906 |
} |
| 1907 |
#else
|
| 1908 |
gen_op_xor_T1_T0(); |
| 1909 |
gen_op_wrpsr(); |
| 1910 |
save_state(dc); |
| 1911 |
gen_op_next_insn(); |
| 1912 |
gen_op_movl_T0_0(); |
| 1913 |
gen_op_exit_tb(); |
| 1914 |
dc->is_br = 1;
|
| 1915 |
#endif
|
| 1916 |
} |
| 1917 |
break;
|
| 1918 |
case 0x32: /* wrwim, V9 wrpr */ |
| 1919 |
{
|
| 1920 |
if (!supervisor(dc))
|
| 1921 |
goto priv_insn;
|
| 1922 |
gen_op_xor_T1_T0(); |
| 1923 |
#ifdef TARGET_SPARC64
|
| 1924 |
switch (rd) {
|
| 1925 |
case 0: // tpc |
| 1926 |
gen_op_wrtpc(); |
| 1927 |
break;
|
| 1928 |
case 1: // tnpc |
| 1929 |
gen_op_wrtnpc(); |
| 1930 |
break;
|
| 1931 |
case 2: // tstate |
| 1932 |
gen_op_wrtstate(); |
| 1933 |
break;
|
| 1934 |
case 3: // tt |
| 1935 |
gen_op_wrtt(); |
| 1936 |
break;
|
| 1937 |
case 4: // tick |
| 1938 |
gen_op_wrtick(); |
| 1939 |
break;
|
| 1940 |
case 5: // tba |
| 1941 |
gen_op_movtl_env_T0(offsetof(CPUSPARCState, tbr)); |
| 1942 |
break;
|
| 1943 |
case 6: // pstate |
| 1944 |
gen_op_wrpstate(); |
| 1945 |
break;
|
| 1946 |
case 7: // tl |
| 1947 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, tl)); |
| 1948 |
break;
|
| 1949 |
case 8: // pil |
| 1950 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, psrpil)); |
| 1951 |
break;
|
| 1952 |
case 9: // cwp |
| 1953 |
gen_op_wrcwp(); |
| 1954 |
break;
|
| 1955 |
case 10: // cansave |
| 1956 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, cansave)); |
| 1957 |
break;
|
| 1958 |
case 11: // canrestore |
| 1959 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, canrestore)); |
| 1960 |
break;
|
| 1961 |
case 12: // cleanwin |
| 1962 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, cleanwin)); |
| 1963 |
break;
|
| 1964 |
case 13: // otherwin |
| 1965 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, otherwin)); |
| 1966 |
break;
|
| 1967 |
case 14: // wstate |
| 1968 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, wstate)); |
| 1969 |
break;
|
| 1970 |
default:
|
| 1971 |
goto illegal_insn;
|
| 1972 |
} |
| 1973 |
#else
|
| 1974 |
gen_op_movl_env_T0(offsetof(CPUSPARCState, wim)); |
| 1975 |
#endif
|
| 1976 |
} |
| 1977 |
break;
|
| 1978 |
#ifndef TARGET_SPARC64
|
| 1979 |
case 0x33: /* wrtbr, V9 unimp */ |
| 1980 |
{
|
| 1981 |
if (!supervisor(dc))
|
| 1982 |
goto priv_insn;
|
| 1983 |
gen_op_xor_T1_T0(); |
| 1984 |
gen_op_movtl_env_T0(offsetof(CPUSPARCState, tbr)); |
| 1985 |
} |
| 1986 |
break;
|
| 1987 |
#endif
|
| 1988 |
#endif
|
| 1989 |
#ifdef TARGET_SPARC64
|
| 1990 |
case 0x2c: /* V9 movcc */ |
| 1991 |
{
|
| 1992 |
int cc = GET_FIELD_SP(insn, 11, 12); |
| 1993 |
int cond = GET_FIELD_SP(insn, 14, 17); |
| 1994 |
if (IS_IMM) { /* immediate */ |
| 1995 |
rs2 = GET_FIELD_SPs(insn, 0, 10); |
| 1996 |
gen_movl_simm_T1(rs2); |
| 1997 |
} |
| 1998 |
else {
|
| 1999 |
rs2 = GET_FIELD_SP(insn, 0, 4); |
| 2000 |
gen_movl_reg_T1(rs2); |
| 2001 |
} |
| 2002 |
gen_movl_reg_T0(rd); |
| 2003 |
flush_T2(dc); |
| 2004 |
if (insn & (1 << 18)) { |
| 2005 |
if (cc == 0) |
| 2006 |
gen_cond[0][cond]();
|
| 2007 |
else if (cc == 2) |
| 2008 |
gen_cond[1][cond]();
|
| 2009 |
else
|
| 2010 |
goto illegal_insn;
|
| 2011 |
} else {
|
| 2012 |
gen_fcond[cc][cond](); |
| 2013 |
} |
| 2014 |
gen_op_mov_cc(); |
| 2015 |
gen_movl_T0_reg(rd); |
| 2016 |
break;
|
| 2017 |
} |
| 2018 |
case 0x2d: /* V9 sdivx */ |
| 2019 |
gen_op_sdivx_T1_T0(); |
| 2020 |
gen_movl_T0_reg(rd); |
| 2021 |
break;
|
| 2022 |
case 0x2e: /* V9 popc */ |
| 2023 |
{
|
| 2024 |
if (IS_IMM) { /* immediate */ |
| 2025 |
rs2 = GET_FIELD_SPs(insn, 0, 12); |
| 2026 |
gen_movl_simm_T1(rs2); |
| 2027 |
// XXX optimize: popc(constant)
|
| 2028 |
} |
| 2029 |
else {
|
| 2030 |
rs2 = GET_FIELD_SP(insn, 0, 4); |
| 2031 |
gen_movl_reg_T1(rs2); |
| 2032 |
} |
| 2033 |
gen_op_popc(); |
| 2034 |
gen_movl_T0_reg(rd); |
| 2035 |
} |
| 2036 |
case 0x2f: /* V9 movr */ |
| 2037 |
{
|
| 2038 |
int cond = GET_FIELD_SP(insn, 10, 12); |
| 2039 |
rs1 = GET_FIELD(insn, 13, 17); |
| 2040 |
flush_T2(dc); |
| 2041 |
gen_movl_reg_T0(rs1); |
| 2042 |
gen_cond_reg(cond); |
| 2043 |
if (IS_IMM) { /* immediate */ |
| 2044 |
rs2 = GET_FIELD_SPs(insn, 0, 10); |
| 2045 |
gen_movl_simm_T1(rs2); |
| 2046 |
} |
| 2047 |
else {
|
| 2048 |
rs2 = GET_FIELD_SP(insn, 0, 4); |
| 2049 |
gen_movl_reg_T1(rs2); |
| 2050 |
} |
| 2051 |
gen_movl_reg_T0(rd); |
| 2052 |
gen_op_mov_cc(); |
| 2053 |
gen_movl_T0_reg(rd); |
| 2054 |
break;
|
| 2055 |
} |
| 2056 |
case 0x36: /* UltraSparc shutdown, VIS */ |
| 2057 |
{
|
| 2058 |
// XXX
|
| 2059 |
} |
| 2060 |
#endif
|
| 2061 |
default:
|
| 2062 |
goto illegal_insn;
|
| 2063 |
} |
| 2064 |
} |
| 2065 |
#ifdef TARGET_SPARC64
|
| 2066 |
} else if (xop == 0x39) { /* V9 return */ |
| 2067 |
rs1 = GET_FIELD(insn, 13, 17); |
| 2068 |
gen_movl_reg_T0(rs1); |
| 2069 |
if (IS_IMM) { /* immediate */ |
| 2070 |
rs2 = GET_FIELDs(insn, 19, 31); |
| 2071 |
#if defined(OPTIM)
|
| 2072 |
if (rs2) {
|
| 2073 |
#endif
|
| 2074 |
gen_movl_simm_T1(rs2); |
| 2075 |
gen_op_add_T1_T0(); |
| 2076 |
#if defined(OPTIM)
|
| 2077 |
} |
| 2078 |
#endif
|
| 2079 |
} else { /* register */ |
| 2080 |
rs2 = GET_FIELD(insn, 27, 31); |
| 2081 |
#if defined(OPTIM)
|
| 2082 |
if (rs2) {
|
| 2083 |
#endif
|
| 2084 |
gen_movl_reg_T1(rs2); |
| 2085 |
gen_op_add_T1_T0(); |
| 2086 |
#if defined(OPTIM)
|
| 2087 |
} |
| 2088 |
#endif
|
| 2089 |
} |
| 2090 |
gen_op_restore(); |
| 2091 |
gen_mov_pc_npc(dc); |
| 2092 |
gen_op_movl_npc_T0(); |
| 2093 |
dc->npc = DYNAMIC_PC; |
| 2094 |
goto jmp_insn;
|
| 2095 |
#endif
|
| 2096 |
} else {
|
| 2097 |
rs1 = GET_FIELD(insn, 13, 17); |
| 2098 |
gen_movl_reg_T0(rs1); |
| 2099 |
if (IS_IMM) { /* immediate */ |
| 2100 |
rs2 = GET_FIELDs(insn, 19, 31); |
| 2101 |
#if defined(OPTIM)
|
| 2102 |
if (rs2) {
|
| 2103 |
#endif
|
| 2104 |
gen_movl_simm_T1(rs2); |
| 2105 |
gen_op_add_T1_T0(); |
| 2106 |
#if defined(OPTIM)
|
| 2107 |
} |
| 2108 |
#endif
|
| 2109 |
} else { /* register */ |
| 2110 |
rs2 = GET_FIELD(insn, 27, 31); |
| 2111 |
#if defined(OPTIM)
|
| 2112 |
if (rs2) {
|
| 2113 |
#endif
|
| 2114 |
gen_movl_reg_T1(rs2); |
| 2115 |
gen_op_add_T1_T0(); |
| 2116 |
#if defined(OPTIM)
|
| 2117 |
} |
| 2118 |
#endif
|
| 2119 |
} |
| 2120 |
switch (xop) {
|
| 2121 |
case 0x38: /* jmpl */ |
| 2122 |
{
|
| 2123 |
if (rd != 0) { |
| 2124 |
gen_op_movl_T1_im(dc->pc); |
| 2125 |
gen_movl_T1_reg(rd); |
| 2126 |
} |
| 2127 |
gen_mov_pc_npc(dc); |
| 2128 |
gen_op_movl_npc_T0(); |
| 2129 |
dc->npc = DYNAMIC_PC; |
| 2130 |
} |
| 2131 |
goto jmp_insn;
|
| 2132 |
#if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
|
| 2133 |
case 0x39: /* rett, V9 return */ |
| 2134 |
{
|
| 2135 |
if (!supervisor(dc))
|
| 2136 |
goto priv_insn;
|
| 2137 |
gen_mov_pc_npc(dc); |
| 2138 |
gen_op_movl_npc_T0(); |
| 2139 |
dc->npc = DYNAMIC_PC; |
| 2140 |
gen_op_rett(); |
| 2141 |
} |
| 2142 |
goto jmp_insn;
|
| 2143 |
#endif
|
| 2144 |
case 0x3b: /* flush */ |
| 2145 |
gen_op_flush_T0(); |
| 2146 |
break;
|
| 2147 |
case 0x3c: /* save */ |
| 2148 |
save_state(dc); |
| 2149 |
gen_op_save(); |
| 2150 |
gen_movl_T0_reg(rd); |
| 2151 |
break;
|
| 2152 |
case 0x3d: /* restore */ |
| 2153 |
save_state(dc); |
| 2154 |
gen_op_restore(); |
| 2155 |
gen_movl_T0_reg(rd); |
| 2156 |
break;
|
| 2157 |
#if !defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64)
|
| 2158 |
case 0x3e: /* V9 done/retry */ |
| 2159 |
{
|
| 2160 |
switch (rd) {
|
| 2161 |
case 0: |
| 2162 |
if (!supervisor(dc))
|
| 2163 |
goto priv_insn;
|
| 2164 |
dc->npc = DYNAMIC_PC; |
| 2165 |
dc->pc = DYNAMIC_PC; |
| 2166 |
gen_op_done(); |
| 2167 |
goto jmp_insn;
|
| 2168 |
case 1: |
| 2169 |
if (!supervisor(dc))
|
| 2170 |
goto priv_insn;
|
| 2171 |
dc->npc = DYNAMIC_PC; |
| 2172 |
dc->pc = DYNAMIC_PC; |
| 2173 |
gen_op_retry(); |
| 2174 |
goto jmp_insn;
|
| 2175 |
default:
|
| 2176 |
goto illegal_insn;
|
| 2177 |
} |
| 2178 |
} |
| 2179 |
break;
|
| 2180 |
#endif
|
| 2181 |
default:
|
| 2182 |
goto illegal_insn;
|
| 2183 |
} |
| 2184 |
} |
| 2185 |
break;
|
| 2186 |
} |
| 2187 |
break;
|
| 2188 |
case 3: /* load/store instructions */ |
| 2189 |
{
|
| 2190 |
unsigned int xop = GET_FIELD(insn, 7, 12); |
| 2191 |
rs1 = GET_FIELD(insn, 13, 17); |
| 2192 |
gen_movl_reg_T0(rs1); |
| 2193 |
if (IS_IMM) { /* immediate */ |
| 2194 |
rs2 = GET_FIELDs(insn, 19, 31); |
| 2195 |
#if defined(OPTIM)
|
| 2196 |
if (rs2 != 0) { |
| 2197 |
#endif
|
| 2198 |
gen_movl_simm_T1(rs2); |
| 2199 |
gen_op_add_T1_T0(); |
| 2200 |
#if defined(OPTIM)
|
| 2201 |
} |
| 2202 |
#endif
|
| 2203 |
} else { /* register */ |
| 2204 |
rs2 = GET_FIELD(insn, 27, 31); |
| 2205 |
#if defined(OPTIM)
|
| 2206 |
if (rs2 != 0) { |
| 2207 |
#endif
|
| 2208 |
gen_movl_reg_T1(rs2); |
| 2209 |
gen_op_add_T1_T0(); |
| 2210 |
#if defined(OPTIM)
|
| 2211 |
} |
| 2212 |
#endif
|
| 2213 |
} |
| 2214 |
if (xop < 4 || (xop > 7 && xop < 0x14 && xop != 0x0e) || \ |
| 2215 |
(xop > 0x17 && xop < 0x1d ) || \ |
| 2216 |
(xop > 0x2c && xop < 0x33) || xop == 0x1f) { |
| 2217 |
switch (xop) {
|
| 2218 |
case 0x0: /* load word */ |
| 2219 |
gen_op_ldst(ld); |
| 2220 |
break;
|
| 2221 |
case 0x1: /* load unsigned byte */ |
| 2222 |
gen_op_ldst(ldub); |
| 2223 |
break;
|
| 2224 |
case 0x2: /* load unsigned halfword */ |
| 2225 |
gen_op_ldst(lduh); |
| 2226 |
break;
|
| 2227 |
case 0x3: /* load double word */ |
| 2228 |
gen_op_ldst(ldd); |
| 2229 |
gen_movl_T0_reg(rd + 1);
|
| 2230 |
break;
|
| 2231 |
case 0x9: /* load signed byte */ |
| 2232 |
gen_op_ldst(ldsb); |
| 2233 |
break;
|
| 2234 |
case 0xa: /* load signed halfword */ |
| 2235 |
gen_op_ldst(ldsh); |
| 2236 |
break;
|
| 2237 |
case 0xd: /* ldstub -- XXX: should be atomically */ |
| 2238 |
gen_op_ldst(ldstub); |
| 2239 |
break;
|
| 2240 |
case 0x0f: /* swap register with memory. Also atomically */ |
| 2241 |
gen_movl_reg_T1(rd); |
| 2242 |
gen_op_ldst(swap); |
| 2243 |
break;
|
| 2244 |
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
|
| 2245 |
case 0x10: /* load word alternate */ |
| 2246 |
#ifndef TARGET_SPARC64
|
| 2247 |
if (!supervisor(dc))
|
| 2248 |
goto priv_insn;
|
| 2249 |
#endif
|
| 2250 |
gen_op_lda(insn, 1, 4, 0); |
| 2251 |
break;
|
| 2252 |
case 0x11: /* load unsigned byte alternate */ |
| 2253 |
#ifndef TARGET_SPARC64
|
| 2254 |
if (!supervisor(dc))
|
| 2255 |
goto priv_insn;
|
| 2256 |
#endif
|
| 2257 |
gen_op_lduba(insn, 1, 1, 0); |
| 2258 |
break;
|
| 2259 |
case 0x12: /* load unsigned halfword alternate */ |
| 2260 |
#ifndef TARGET_SPARC64
|
| 2261 |
if (!supervisor(dc))
|
| 2262 |
goto priv_insn;
|
| 2263 |
#endif
|
| 2264 |
gen_op_lduha(insn, 1, 2, 0); |
| 2265 |
break;
|
| 2266 |
case 0x13: /* load double word alternate */ |
| 2267 |
#ifndef TARGET_SPARC64
|
| 2268 |
if (!supervisor(dc))
|
| 2269 |
goto priv_insn;
|
| 2270 |
#endif
|
| 2271 |
gen_op_ldda(insn, 1, 8, 0); |
| 2272 |
gen_movl_T0_reg(rd + 1);
|
| 2273 |
break;
|
| 2274 |
case 0x19: /* load signed byte alternate */ |
| 2275 |
#ifndef TARGET_SPARC64
|
| 2276 |
if (!supervisor(dc))
|
| 2277 |
goto priv_insn;
|
| 2278 |
#endif
|
| 2279 |
gen_op_ldsba(insn, 1, 1, 1); |
| 2280 |
break;
|
| 2281 |
case 0x1a: /* load signed halfword alternate */ |
| 2282 |
#ifndef TARGET_SPARC64
|
| 2283 |
if (!supervisor(dc))
|
| 2284 |
goto priv_insn;
|
| 2285 |
#endif
|
| 2286 |
gen_op_ldsha(insn, 1, 2 ,1); |
| 2287 |
break;
|
| 2288 |
case 0x1d: /* ldstuba -- XXX: should be atomically */ |
| 2289 |
#ifndef TARGET_SPARC64
|
| 2290 |
if (!supervisor(dc))
|
| 2291 |
goto priv_insn;
|
| 2292 |
#endif
|
| 2293 |
gen_op_ldstuba(insn, 1, 1, 0); |
| 2294 |
break;
|
| 2295 |
case 0x1f: /* swap reg with alt. memory. Also atomically */ |
| 2296 |
#ifndef TARGET_SPARC64
|
| 2297 |
if (!supervisor(dc))
|
| 2298 |
goto priv_insn;
|
| 2299 |
#endif
|
| 2300 |
gen_movl_reg_T1(rd); |
| 2301 |
gen_op_swapa(insn, 1, 4, 0); |
| 2302 |
break;
|
| 2303 |
|
| 2304 |
#ifndef TARGET_SPARC64
|
| 2305 |
/* avoid warnings */
|
| 2306 |
(void) &gen_op_stfa;
|
| 2307 |
(void) &gen_op_stdfa;
|
| 2308 |
(void) &gen_op_ldfa;
|
| 2309 |
(void) &gen_op_lddfa;
|
| 2310 |
#else
|
| 2311 |
#if !defined(CONFIG_USER_ONLY)
|
| 2312 |
(void) &gen_op_cas;
|
| 2313 |
(void) &gen_op_casx;
|
| 2314 |
#endif
|
| 2315 |
#endif
|
| 2316 |
#endif
|
| 2317 |
#ifdef TARGET_SPARC64
|
| 2318 |
case 0x08: /* V9 ldsw */ |
| 2319 |
gen_op_ldst(ldsw); |
| 2320 |
break;
|
| 2321 |
case 0x0b: /* V9 ldx */ |
| 2322 |
gen_op_ldst(ldx); |
| 2323 |
break;
|
| 2324 |
case 0x18: /* V9 ldswa */ |
| 2325 |
gen_op_ldswa(insn, 1, 4, 1); |
| 2326 |
break;
|
| 2327 |
case 0x1b: /* V9 ldxa */ |
| 2328 |
gen_op_ldxa(insn, 1, 8, 0); |
| 2329 |
break;
|
| 2330 |
case 0x2d: /* V9 prefetch, no effect */ |
| 2331 |
goto skip_move;
|
| 2332 |
case 0x30: /* V9 ldfa */ |
| 2333 |
gen_op_ldfa(insn, 1, 8, 0); // XXX |
| 2334 |
break;
|
| 2335 |
case 0x33: /* V9 lddfa */ |
| 2336 |
gen_op_lddfa(insn, 1, 8, 0); // XXX |
| 2337 |
|
| 2338 |
break;
|
| 2339 |
case 0x3d: /* V9 prefetcha, no effect */ |
| 2340 |
goto skip_move;
|
| 2341 |
case 0x32: /* V9 ldqfa */ |
| 2342 |
goto nfpu_insn;
|
| 2343 |
#endif
|
| 2344 |
default:
|
| 2345 |
goto illegal_insn;
|
| 2346 |
} |
| 2347 |
gen_movl_T1_reg(rd); |
| 2348 |
#ifdef TARGET_SPARC64
|
| 2349 |
skip_move: ;
|
| 2350 |
#endif
|
| 2351 |
} else if (xop >= 0x20 && xop < 0x24) { |
| 2352 |
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
|
| 2353 |
save_state(dc); |
| 2354 |
gen_op_trap_ifnofpu(); |
| 2355 |
#endif
|
| 2356 |
switch (xop) {
|
| 2357 |
case 0x20: /* load fpreg */ |
| 2358 |
gen_op_ldst(ldf); |
| 2359 |
gen_op_store_FT0_fpr(rd); |
| 2360 |
break;
|
| 2361 |
case 0x21: /* load fsr */ |
| 2362 |
gen_op_ldst(ldf); |
| 2363 |
gen_op_ldfsr(); |
| 2364 |
break;
|
| 2365 |
case 0x22: /* load quad fpreg */ |
| 2366 |
goto nfpu_insn;
|
| 2367 |
case 0x23: /* load double fpreg */ |
| 2368 |
gen_op_ldst(lddf); |
| 2369 |
gen_op_store_DT0_fpr(DFPREG(rd)); |
| 2370 |
break;
|
| 2371 |
default:
|
| 2372 |
goto illegal_insn;
|
| 2373 |
} |
| 2374 |
} else if (xop < 8 || (xop >= 0x14 && xop < 0x18) || \ |
| 2375 |
xop == 0xe || xop == 0x1e) { |
| 2376 |
gen_movl_reg_T1(rd); |
| 2377 |
switch (xop) {
|
| 2378 |
case 0x4: |
| 2379 |
gen_op_ldst(st); |
| 2380 |
break;
|
| 2381 |
case 0x5: |
| 2382 |
gen_op_ldst(stb); |
| 2383 |
break;
|
| 2384 |
case 0x6: |
| 2385 |
gen_op_ldst(sth); |
| 2386 |
break;
|
| 2387 |
case 0x7: |
| 2388 |
flush_T2(dc); |
| 2389 |
gen_movl_reg_T2(rd + 1);
|
| 2390 |
gen_op_ldst(std); |
| 2391 |
break;
|
| 2392 |
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
|
| 2393 |
case 0x14: |
| 2394 |
#ifndef TARGET_SPARC64
|
| 2395 |
if (!supervisor(dc))
|
| 2396 |
goto priv_insn;
|
| 2397 |
#endif
|
| 2398 |
gen_op_sta(insn, 0, 4, 0); |
| 2399 |
break;
|
| 2400 |
case 0x15: |
| 2401 |
#ifndef TARGET_SPARC64
|
| 2402 |
if (!supervisor(dc))
|
| 2403 |
goto priv_insn;
|
| 2404 |
#endif
|
| 2405 |
gen_op_stba(insn, 0, 1, 0); |
| 2406 |
break;
|
| 2407 |
case 0x16: |
| 2408 |
#ifndef TARGET_SPARC64
|
| 2409 |
if (!supervisor(dc))
|
| 2410 |
goto priv_insn;
|
| 2411 |
#endif
|
| 2412 |
gen_op_stha(insn, 0, 2, 0); |
| 2413 |
break;
|
| 2414 |
case 0x17: |
| 2415 |
#ifndef TARGET_SPARC64
|
| 2416 |
if (!supervisor(dc))
|
| 2417 |
goto priv_insn;
|
| 2418 |
#endif
|
| 2419 |
flush_T2(dc); |
| 2420 |
gen_movl_reg_T2(rd + 1);
|
| 2421 |
gen_op_stda(insn, 0, 8, 0); |
| 2422 |
break;
|
| 2423 |
#endif
|
| 2424 |
#ifdef TARGET_SPARC64
|
| 2425 |
case 0x0e: /* V9 stx */ |
| 2426 |
gen_op_ldst(stx); |
| 2427 |
break;
|
| 2428 |
case 0x1e: /* V9 stxa */ |
| 2429 |
gen_op_stxa(insn, 0, 8, 0); // XXX |
| 2430 |
break;
|
| 2431 |
#endif
|
| 2432 |
default:
|
| 2433 |
goto illegal_insn;
|
| 2434 |
} |
| 2435 |
} else if (xop > 0x23 && xop < 0x28) { |
| 2436 |
#if !defined(CONFIG_USER_ONLY)
|
| 2437 |
gen_op_trap_ifnofpu(); |
| 2438 |
#endif
|
| 2439 |
switch (xop) {
|
| 2440 |
case 0x24: |
| 2441 |
gen_op_load_fpr_FT0(rd); |
| 2442 |
gen_op_ldst(stf); |
| 2443 |
break;
|
| 2444 |
case 0x25: /* stfsr, V9 stxfsr */ |
| 2445 |
gen_op_stfsr(); |
| 2446 |
gen_op_ldst(stf); |
| 2447 |
break;
|
| 2448 |
case 0x26: /* stdfq */ |
| 2449 |
goto nfpu_insn;
|
| 2450 |
case 0x27: |
| 2451 |
gen_op_load_fpr_DT0(DFPREG(rd)); |
| 2452 |
gen_op_ldst(stdf); |
| 2453 |
break;
|
| 2454 |
default:
|
| 2455 |
goto illegal_insn;
|
| 2456 |
} |
| 2457 |
} else if (xop > 0x33 && xop < 0x3f) { |
| 2458 |
#ifdef TARGET_SPARC64
|
| 2459 |
switch (xop) {
|
| 2460 |
case 0x34: /* V9 stfa */ |
| 2461 |
gen_op_stfa(insn, 0, 0, 0); // XXX |
| 2462 |
break;
|
| 2463 |
case 0x37: /* V9 stdfa */ |
| 2464 |
gen_op_stdfa(insn, 0, 0, 0); // XXX |
| 2465 |
break;
|
| 2466 |
case 0x3c: /* V9 casa */ |
| 2467 |
gen_op_casa(insn, 0, 4, 0); // XXX |
| 2468 |
break;
|
| 2469 |
case 0x3e: /* V9 casxa */ |
| 2470 |
gen_op_casxa(insn, 0, 8, 0); // XXX |
| 2471 |
break;
|
| 2472 |
case 0x36: /* V9 stqfa */ |
| 2473 |
goto nfpu_insn;
|
| 2474 |
default:
|
| 2475 |
goto illegal_insn;
|
| 2476 |
} |
| 2477 |
#else
|
| 2478 |
goto illegal_insn;
|
| 2479 |
#endif
|
| 2480 |
} |
| 2481 |
else
|
| 2482 |
goto illegal_insn;
|
| 2483 |
} |
| 2484 |
break;
|
| 2485 |
} |
| 2486 |
/* default case for non jump instructions */
|
| 2487 |
if (dc->npc == DYNAMIC_PC) {
|
| 2488 |
dc->pc = DYNAMIC_PC; |
| 2489 |
gen_op_next_insn(); |
| 2490 |
} else if (dc->npc == JUMP_PC) { |
| 2491 |
/* we can do a static jump */
|
| 2492 |
gen_branch2(dc, (long)dc->tb, dc->jump_pc[0], dc->jump_pc[1]); |
| 2493 |
dc->is_br = 1;
|
| 2494 |
} else {
|
| 2495 |
dc->pc = dc->npc; |
| 2496 |
dc->npc = dc->npc + 4;
|
| 2497 |
} |
| 2498 |
jmp_insn:
|
| 2499 |
return;
|
| 2500 |
illegal_insn:
|
| 2501 |
save_state(dc); |
| 2502 |
gen_op_exception(TT_ILL_INSN); |
| 2503 |
dc->is_br = 1;
|
| 2504 |
return;
|
| 2505 |
#if !defined(CONFIG_USER_ONLY)
|
| 2506 |
priv_insn:
|
| 2507 |
save_state(dc); |
| 2508 |
gen_op_exception(TT_PRIV_INSN); |
| 2509 |
dc->is_br = 1;
|
| 2510 |
return;
|
| 2511 |
#endif
|
| 2512 |
nfpu_insn:
|
| 2513 |
save_state(dc); |
| 2514 |
gen_op_fpexception_im(FSR_FTT_UNIMPFPOP); |
| 2515 |
dc->is_br = 1;
|
| 2516 |
} |
| 2517 |
|
| 2518 |
static inline int gen_intermediate_code_internal(TranslationBlock * tb, |
| 2519 |
int spc, CPUSPARCState *env)
|
| 2520 |
{
|
| 2521 |
target_ulong pc_start, last_pc; |
| 2522 |
uint16_t *gen_opc_end; |
| 2523 |
DisasContext dc1, *dc = &dc1; |
| 2524 |
int j, lj = -1; |
| 2525 |
|
| 2526 |
memset(dc, 0, sizeof(DisasContext)); |
| 2527 |
dc->tb = tb; |
| 2528 |
pc_start = tb->pc; |
| 2529 |
dc->pc = pc_start; |
| 2530 |
last_pc = dc->pc; |
| 2531 |
dc->npc = (target_ulong) tb->cs_base; |
| 2532 |
#if defined(CONFIG_USER_ONLY)
|
| 2533 |
dc->mem_idx = 0;
|
| 2534 |
#else
|
| 2535 |
dc->mem_idx = ((env->psrs) != 0);
|
| 2536 |
#endif
|
| 2537 |
gen_opc_ptr = gen_opc_buf; |
| 2538 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
| 2539 |
gen_opparam_ptr = gen_opparam_buf; |
| 2540 |
nb_gen_labels = 0;
|
| 2541 |
|
| 2542 |
do {
|
| 2543 |
if (env->nb_breakpoints > 0) { |
| 2544 |
for(j = 0; j < env->nb_breakpoints; j++) { |
| 2545 |
if (env->breakpoints[j] == dc->pc) {
|
| 2546 |
if (dc->pc != pc_start)
|
| 2547 |
save_state(dc); |
| 2548 |
gen_op_debug(); |
| 2549 |
gen_op_movl_T0_0(); |
| 2550 |
gen_op_exit_tb(); |
| 2551 |
dc->is_br = 1;
|
| 2552 |
goto exit_gen_loop;
|
| 2553 |
} |
| 2554 |
} |
| 2555 |
} |
| 2556 |
if (spc) {
|
| 2557 |
if (loglevel > 0) |
| 2558 |
fprintf(logfile, "Search PC...\n");
|
| 2559 |
j = gen_opc_ptr - gen_opc_buf; |
| 2560 |
if (lj < j) {
|
| 2561 |
lj++; |
| 2562 |
while (lj < j)
|
| 2563 |
gen_opc_instr_start[lj++] = 0;
|
| 2564 |
gen_opc_pc[lj] = dc->pc; |
| 2565 |
gen_opc_npc[lj] = dc->npc; |
| 2566 |
gen_opc_instr_start[lj] = 1;
|
| 2567 |
} |
| 2568 |
} |
| 2569 |
last_pc = dc->pc; |
| 2570 |
disas_sparc_insn(dc); |
| 2571 |
|
| 2572 |
if (dc->is_br)
|
| 2573 |
break;
|
| 2574 |
/* if the next PC is different, we abort now */
|
| 2575 |
if (dc->pc != (last_pc + 4)) |
| 2576 |
break;
|
| 2577 |
/* if we reach a page boundary, we stop generation so that the
|
| 2578 |
PC of a TT_TFAULT exception is always in the right page */
|
| 2579 |
if ((dc->pc & (TARGET_PAGE_SIZE - 1)) == 0) |
| 2580 |
break;
|
| 2581 |
/* if single step mode, we generate only one instruction and
|
| 2582 |
generate an exception */
|
| 2583 |
if (env->singlestep_enabled) {
|
| 2584 |
gen_jmp_im(dc->pc); |
| 2585 |
gen_op_movl_T0_0(); |
| 2586 |
gen_op_exit_tb(); |
| 2587 |
break;
|
| 2588 |
} |
| 2589 |
} while ((gen_opc_ptr < gen_opc_end) &&
|
| 2590 |
(dc->pc - pc_start) < (TARGET_PAGE_SIZE - 32));
|
| 2591 |
|
| 2592 |
exit_gen_loop:
|
| 2593 |
if (!dc->is_br) {
|
| 2594 |
if (dc->pc != DYNAMIC_PC &&
|
| 2595 |
(dc->npc != DYNAMIC_PC && dc->npc != JUMP_PC)) {
|
| 2596 |
/* static PC and NPC: we can use direct chaining */
|
| 2597 |
gen_branch(dc, (long)tb, dc->pc, dc->npc);
|
| 2598 |
} else {
|
| 2599 |
if (dc->pc != DYNAMIC_PC)
|
| 2600 |
gen_jmp_im(dc->pc); |
| 2601 |
save_npc(dc); |
| 2602 |
gen_op_movl_T0_0(); |
| 2603 |
gen_op_exit_tb(); |
| 2604 |
} |
| 2605 |
} |
| 2606 |
*gen_opc_ptr = INDEX_op_end; |
| 2607 |
if (spc) {
|
| 2608 |
j = gen_opc_ptr - gen_opc_buf; |
| 2609 |
lj++; |
| 2610 |
while (lj <= j)
|
| 2611 |
gen_opc_instr_start[lj++] = 0;
|
| 2612 |
tb->size = 0;
|
| 2613 |
#if 0
|
| 2614 |
if (loglevel > 0) {
|
| 2615 |
page_dump(logfile);
|
| 2616 |
}
|
| 2617 |
#endif
|
| 2618 |
gen_opc_jump_pc[0] = dc->jump_pc[0]; |
| 2619 |
gen_opc_jump_pc[1] = dc->jump_pc[1]; |
| 2620 |
} else {
|
| 2621 |
tb->size = last_pc + 4 - pc_start;
|
| 2622 |
} |
| 2623 |
#ifdef DEBUG_DISAS
|
| 2624 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 2625 |
fprintf(logfile, "--------------\n");
|
| 2626 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
| 2627 |
target_disas(logfile, pc_start, last_pc + 4 - pc_start, 0); |
| 2628 |
fprintf(logfile, "\n");
|
| 2629 |
if (loglevel & CPU_LOG_TB_OP) {
|
| 2630 |
fprintf(logfile, "OP:\n");
|
| 2631 |
dump_ops(gen_opc_buf, gen_opparam_buf); |
| 2632 |
fprintf(logfile, "\n");
|
| 2633 |
} |
| 2634 |
} |
| 2635 |
#endif
|
| 2636 |
return 0; |
| 2637 |
} |
| 2638 |
|
| 2639 |
int gen_intermediate_code(CPUSPARCState * env, TranslationBlock * tb)
|
| 2640 |
{
|
| 2641 |
return gen_intermediate_code_internal(tb, 0, env); |
| 2642 |
} |
| 2643 |
|
| 2644 |
int gen_intermediate_code_pc(CPUSPARCState * env, TranslationBlock * tb)
|
| 2645 |
{
|
| 2646 |
return gen_intermediate_code_internal(tb, 1, env); |
| 2647 |
} |
| 2648 |
|
| 2649 |
extern int ram_size; |
| 2650 |
|
| 2651 |
void cpu_reset(CPUSPARCState *env)
|
| 2652 |
{
|
| 2653 |
memset(env, 0, sizeof(*env)); |
| 2654 |
tlb_flush(env, 1);
|
| 2655 |
env->cwp = 0;
|
| 2656 |
env->wim = 1;
|
| 2657 |
env->regwptr = env->regbase + (env->cwp * 16);
|
| 2658 |
#if defined(CONFIG_USER_ONLY)
|
| 2659 |
env->user_mode_only = 1;
|
| 2660 |
#else
|
| 2661 |
env->psrs = 1;
|
| 2662 |
env->psrps = 1;
|
| 2663 |
env->gregs[1] = ram_size;
|
| 2664 |
#ifdef TARGET_SPARC64
|
| 2665 |
env->pstate = PS_PRIV; |
| 2666 |
env->version = GET_VER(env); |
| 2667 |
env->pc = 0x1fff0000000ULL;
|
| 2668 |
#else
|
| 2669 |
env->mmuregs[0] = (0x04 << 24); /* Impl 0, ver 4, MMU disabled */ |
| 2670 |
env->pc = 0xffd00000;
|
| 2671 |
#endif
|
| 2672 |
env->npc = env->pc + 4;
|
| 2673 |
#endif
|
| 2674 |
} |
| 2675 |
|
| 2676 |
CPUSPARCState *cpu_sparc_init(void)
|
| 2677 |
{
|
| 2678 |
CPUSPARCState *env; |
| 2679 |
|
| 2680 |
env = qemu_mallocz(sizeof(CPUSPARCState));
|
| 2681 |
if (!env)
|
| 2682 |
return NULL; |
| 2683 |
cpu_exec_init(env); |
| 2684 |
cpu_reset(env); |
| 2685 |
return (env);
|
| 2686 |
} |
| 2687 |
|
| 2688 |
#define GET_FLAG(a,b) ((env->psr & a)?b:'-') |
| 2689 |
|
| 2690 |
void cpu_dump_state(CPUState *env, FILE *f,
|
| 2691 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 2692 |
int flags)
|
| 2693 |
{
|
| 2694 |
int i, x;
|
| 2695 |
|
| 2696 |
cpu_fprintf(f, "pc: " TARGET_FMT_lx " npc: " TARGET_FMT_lx "\n", env->pc, env->npc); |
| 2697 |
cpu_fprintf(f, "General Registers:\n");
|
| 2698 |
for (i = 0; i < 4; i++) |
| 2699 |
cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]); |
| 2700 |
cpu_fprintf(f, "\n");
|
| 2701 |
for (; i < 8; i++) |
| 2702 |
cpu_fprintf(f, "%%g%c: " TARGET_FMT_lx "\t", i + '0', env->gregs[i]); |
| 2703 |
cpu_fprintf(f, "\nCurrent Register Window:\n");
|
| 2704 |
for (x = 0; x < 3; x++) { |
| 2705 |
for (i = 0; i < 4; i++) |
| 2706 |
cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t", |
| 2707 |
(x == 0 ? 'o' : (x == 1 ? 'l' : 'i')), i, |
| 2708 |
env->regwptr[i + x * 8]);
|
| 2709 |
cpu_fprintf(f, "\n");
|
| 2710 |
for (; i < 8; i++) |
| 2711 |
cpu_fprintf(f, "%%%c%d: " TARGET_FMT_lx "\t", |
| 2712 |
(x == 0 ? 'o' : x == 1 ? 'l' : 'i'), i, |
| 2713 |
env->regwptr[i + x * 8]);
|
| 2714 |
cpu_fprintf(f, "\n");
|
| 2715 |
} |
| 2716 |
cpu_fprintf(f, "\nFloating Point Registers:\n");
|
| 2717 |
for (i = 0; i < 32; i++) { |
| 2718 |
if ((i & 3) == 0) |
| 2719 |
cpu_fprintf(f, "%%f%02d:", i);
|
| 2720 |
cpu_fprintf(f, " %016lf", env->fpr[i]);
|
| 2721 |
if ((i & 3) == 3) |
| 2722 |
cpu_fprintf(f, "\n");
|
| 2723 |
} |
| 2724 |
cpu_fprintf(f, "psr: 0x%08x -> %c%c%c%c %c%c%c wim: 0x%08x\n", GET_PSR(env),
|
| 2725 |
GET_FLAG(PSR_ZERO, 'Z'), GET_FLAG(PSR_OVF, 'V'), |
| 2726 |
GET_FLAG(PSR_NEG, 'N'), GET_FLAG(PSR_CARRY, 'C'), |
| 2727 |
env->psrs?'S':'-', env->psrps?'P':'-', |
| 2728 |
env->psret?'E':'-', env->wim); |
| 2729 |
cpu_fprintf(f, "fsr: 0x%08x\n", GET_FSR32(env));
|
| 2730 |
} |
| 2731 |
|
| 2732 |
#if defined(CONFIG_USER_ONLY)
|
| 2733 |
target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
| 2734 |
{
|
| 2735 |
return addr;
|
| 2736 |
} |
| 2737 |
|
| 2738 |
#else
|
| 2739 |
extern int get_physical_address (CPUState *env, target_phys_addr_t *physical, int *prot, |
| 2740 |
int *access_index, target_ulong address, int rw, |
| 2741 |
int is_user);
|
| 2742 |
|
| 2743 |
target_ulong cpu_get_phys_page_debug(CPUState *env, target_ulong addr) |
| 2744 |
{
|
| 2745 |
target_phys_addr_t phys_addr; |
| 2746 |
int prot, access_index;
|
| 2747 |
|
| 2748 |
if (get_physical_address(env, &phys_addr, &prot, &access_index, addr, 2, 0) != 0) |
| 2749 |
return -1; |
| 2750 |
return phys_addr;
|
| 2751 |
} |
| 2752 |
#endif
|
| 2753 |
|
| 2754 |
void helper_flush(target_ulong addr)
|
| 2755 |
{
|
| 2756 |
addr &= ~7;
|
| 2757 |
tb_invalidate_page_range(addr, addr + 8);
|
| 2758 |
} |