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/*
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* Alpha emulation cpu translation for qemu.
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*
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* Copyright (c) 2007 Jocelyn Mayer
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*
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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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*
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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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*
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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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#include <stdint.h> |
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#include <stdlib.h> |
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#include <stdio.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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|
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#define DO_SINGLE_STEP
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#define GENERATE_NOP
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#define ALPHA_DEBUG_DISAS
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#define DO_TB_FLUSH
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typedef struct DisasContext DisasContext; |
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struct DisasContext {
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uint64_t pc; |
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int mem_idx;
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#if !defined (CONFIG_USER_ONLY)
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int pal_mode;
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#endif
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uint32_t amask; |
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}; |
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|
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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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|
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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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|
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static uint16_t *gen_opc_ptr;
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static uint32_t *gen_opparam_ptr;
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#include "gen-op.h" |
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|
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static inline void gen_op_nop (void) |
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{
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#if defined(GENERATE_NOP)
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gen_op_no_op(); |
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#endif
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} |
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|
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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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|
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/* IR moves */
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/* Special hacks for ir31 */
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#define gen_op_load_T0_ir31 gen_op_reset_T0
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#define gen_op_load_T1_ir31 gen_op_reset_T1
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#define gen_op_load_T2_ir31 gen_op_reset_T2
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#define gen_op_store_T0_ir31 gen_op_nop
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#define gen_op_store_T1_ir31 gen_op_nop
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#define gen_op_store_T2_ir31 gen_op_nop
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#define gen_op_cmov_ir31 gen_op_nop
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GEN32(gen_op_load_T0_ir, gen_op_load_T0_ir); |
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GEN32(gen_op_load_T1_ir, gen_op_load_T1_ir); |
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GEN32(gen_op_load_T2_ir, gen_op_load_T2_ir); |
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GEN32(gen_op_store_T0_ir, gen_op_store_T0_ir); |
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GEN32(gen_op_store_T1_ir, gen_op_store_T1_ir); |
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GEN32(gen_op_store_T2_ir, gen_op_store_T2_ir); |
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GEN32(gen_op_cmov_ir, gen_op_cmov_ir); |
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|
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static inline void gen_load_ir (DisasContext *ctx, int irn, int Tn) |
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{
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switch (Tn) {
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case 0: |
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gen_op_load_T0_ir(irn); |
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break;
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case 1: |
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gen_op_load_T1_ir(irn); |
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break;
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case 2: |
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gen_op_load_T2_ir(irn); |
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break;
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} |
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} |
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static inline void gen_store_ir (DisasContext *ctx, int irn, int Tn) |
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{
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switch (Tn) {
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case 0: |
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gen_op_store_T0_ir(irn); |
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break;
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case 1: |
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gen_op_store_T1_ir(irn); |
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break;
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case 2: |
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gen_op_store_T2_ir(irn); |
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break;
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} |
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} |
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|
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/* FIR moves */
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/* Special hacks for fir31 */
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#define gen_op_load_FT0_fir31 gen_op_reset_FT0
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#define gen_op_load_FT1_fir31 gen_op_reset_FT1
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#define gen_op_load_FT2_fir31 gen_op_reset_FT2
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#define gen_op_store_FT0_fir31 gen_op_nop
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#define gen_op_store_FT1_fir31 gen_op_nop
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#define gen_op_store_FT2_fir31 gen_op_nop
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#define gen_op_cmov_fir31 gen_op_nop
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GEN32(gen_op_load_FT0_fir, gen_op_load_FT0_fir); |
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GEN32(gen_op_load_FT1_fir, gen_op_load_FT1_fir); |
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GEN32(gen_op_load_FT2_fir, gen_op_load_FT2_fir); |
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GEN32(gen_op_store_FT0_fir, gen_op_store_FT0_fir); |
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GEN32(gen_op_store_FT1_fir, gen_op_store_FT1_fir); |
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GEN32(gen_op_store_FT2_fir, gen_op_store_FT2_fir); |
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GEN32(gen_op_cmov_fir, gen_op_cmov_fir); |
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static inline void gen_load_fir (DisasContext *ctx, int firn, int Tn) |
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{
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switch (Tn) {
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case 0: |
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gen_op_load_FT0_fir(firn); |
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break;
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case 1: |
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gen_op_load_FT1_fir(firn); |
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break;
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case 2: |
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gen_op_load_FT2_fir(firn); |
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break;
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} |
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} |
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static inline void gen_store_fir (DisasContext *ctx, int firn, int Tn) |
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{
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switch (Tn) {
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case 0: |
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gen_op_store_FT0_fir(firn); |
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break;
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case 1: |
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gen_op_store_FT1_fir(firn); |
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break;
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case 2: |
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gen_op_store_FT2_fir(firn); |
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break;
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} |
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} |
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|
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/* Memory moves */
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#if defined(CONFIG_USER_ONLY)
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#define OP_LD_TABLE(width) \
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static GenOpFunc *gen_op_ld##width[] = { \ |
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&gen_op_ld##width##_raw, \ |
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} |
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#define OP_ST_TABLE(width) \
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static GenOpFunc *gen_op_st##width[] = { \ |
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&gen_op_st##width##_raw, \ |
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} |
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#else
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#define OP_LD_TABLE(width) \
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static GenOpFunc *gen_op_ld##width[] = { \ |
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&gen_op_ld##width##_kernel, \ |
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&gen_op_ld##width##_user, /* executive */ \ |
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&gen_op_ld##width##_data, /* supervisor */ \ |
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&gen_op_ld##width##_data, /* user */ \ |
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} |
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#define OP_ST_TABLE(width) \
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static GenOpFunc *gen_op_st##width[] = { \ |
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&gen_op_st##width##_kernel, \ |
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&gen_op_st##width##_user, /* executive */ \ |
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&gen_op_st##width##_data, /* supervisor */ \ |
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&gen_op_st##width##_data, /* user */ \ |
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} |
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#endif
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|
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#define GEN_LD(width) \
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OP_LD_TABLE(width); \ |
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static void gen_ld##width (DisasContext *ctx) \ |
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{ \
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(*gen_op_ld##width[ctx->mem_idx])(); \ |
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} |
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|
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#define GEN_ST(width) \
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OP_ST_TABLE(width); \ |
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static void gen_st##width (DisasContext *ctx) \ |
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{ \
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(*gen_op_st##width[ctx->mem_idx])(); \ |
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} |
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GEN_LD(bu); |
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GEN_ST(b); |
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GEN_LD(wu); |
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GEN_ST(w); |
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GEN_LD(l); |
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GEN_ST(l); |
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GEN_LD(q); |
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GEN_ST(q); |
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GEN_LD(q_u); |
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GEN_ST(q_u); |
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GEN_LD(l_l); |
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GEN_ST(l_c); |
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GEN_LD(q_l); |
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GEN_ST(q_c); |
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|
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#if 0 /* currently unused */
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GEN_LD(f);
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GEN_ST(f);
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GEN_LD(g);
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GEN_ST(g);
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#endif /* 0 */
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GEN_LD(s); |
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GEN_ST(s); |
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GEN_LD(t); |
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GEN_ST(t); |
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|
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#if defined(__i386__) || defined(__x86_64__)
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static inline void gen_op_set_s16_T0 (int16_t imm) |
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{
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gen_op_set_s32_T0((int32_t)imm); |
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} |
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|
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static inline void gen_op_set_s16_T1 (int16_t imm) |
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{
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gen_op_set_s32_T1((int32_t)imm); |
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} |
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|
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static inline void gen_op_set_u16_T0 (uint16_t imm) |
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{
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gen_op_set_s32_T0((uint32_t)imm); |
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} |
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|
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static inline void gen_op_set_u16_T1 (uint16_t imm) |
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{
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gen_op_set_s32_T1((uint32_t)imm); |
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} |
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#endif
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|
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static inline void gen_set_sT0 (DisasContext *ctx, int64_t imm) |
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{
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int32_t imm32; |
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int16_t imm16; |
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imm32 = imm; |
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if (imm32 == imm) {
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imm16 = imm; |
| 276 |
if (imm16 == imm) {
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if (imm == 0) { |
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gen_op_reset_T0(); |
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} else {
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gen_op_set_s16_T0(imm16); |
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} |
| 282 |
} else {
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gen_op_set_s32_T0(imm32); |
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} |
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} else {
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#if 0 // Qemu does not know how to do this...
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gen_op_set_64_T0(imm);
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#else
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gen_op_set_64_T0(imm >> 32, imm);
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#endif
|
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} |
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} |
| 293 |
|
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static inline void gen_set_sT1 (DisasContext *ctx, int64_t imm) |
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{
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int32_t imm32; |
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int16_t imm16; |
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imm32 = imm; |
| 300 |
if (imm32 == imm) {
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imm16 = imm; |
| 302 |
if (imm16 == imm) {
|
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if (imm == 0) { |
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gen_op_reset_T1(); |
| 305 |
} else {
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gen_op_set_s16_T1(imm16); |
| 307 |
} |
| 308 |
} else {
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gen_op_set_s32_T1(imm32); |
| 310 |
} |
| 311 |
} else {
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#if 0 // Qemu does not know how to do this...
|
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gen_op_set_64_T1(imm);
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#else
|
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gen_op_set_64_T1(imm >> 32, imm);
|
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#endif
|
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} |
| 318 |
} |
| 319 |
|
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static inline void gen_set_uT0 (DisasContext *ctx, uint64_t imm) |
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{
|
| 322 |
if (!(imm >> 32)) { |
| 323 |
if ((!imm >> 16)) { |
| 324 |
if (imm == 0) |
| 325 |
gen_op_reset_T0(); |
| 326 |
else
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gen_op_set_u16_T0(imm); |
| 328 |
} else {
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gen_op_set_u32_T0(imm); |
| 330 |
} |
| 331 |
} else {
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#if 0 // Qemu does not know how to do this...
|
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gen_op_set_64_T0(imm);
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#else
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gen_op_set_64_T0(imm >> 32, imm);
|
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#endif
|
| 337 |
} |
| 338 |
} |
| 339 |
|
| 340 |
static inline void gen_set_uT1 (DisasContext *ctx, uint64_t imm) |
| 341 |
{
|
| 342 |
if (!(imm >> 32)) { |
| 343 |
if ((!imm >> 16)) { |
| 344 |
if (imm == 0) |
| 345 |
gen_op_reset_T1(); |
| 346 |
else
|
| 347 |
gen_op_set_u16_T1(imm); |
| 348 |
} else {
|
| 349 |
gen_op_set_u32_T1(imm); |
| 350 |
} |
| 351 |
} else {
|
| 352 |
#if 0 // Qemu does not know how to do this...
|
| 353 |
gen_op_set_64_T1(imm);
|
| 354 |
#else
|
| 355 |
gen_op_set_64_T1(imm >> 32, imm);
|
| 356 |
#endif
|
| 357 |
} |
| 358 |
} |
| 359 |
|
| 360 |
static inline void gen_update_pc (DisasContext *ctx) |
| 361 |
{
|
| 362 |
if (!(ctx->pc >> 32)) { |
| 363 |
gen_op_update_pc32(ctx->pc); |
| 364 |
} else {
|
| 365 |
#if 0 // Qemu does not know how to do this...
|
| 366 |
gen_op_update_pc(ctx->pc);
|
| 367 |
#else
|
| 368 |
gen_op_update_pc(ctx->pc >> 32, ctx->pc);
|
| 369 |
#endif
|
| 370 |
} |
| 371 |
} |
| 372 |
|
| 373 |
static inline void _gen_op_bcond (DisasContext *ctx) |
| 374 |
{
|
| 375 |
#if 0 // Qemu does not know how to do this...
|
| 376 |
gen_op_bcond(ctx->pc);
|
| 377 |
#else
|
| 378 |
gen_op_bcond(ctx->pc >> 32, ctx->pc);
|
| 379 |
#endif
|
| 380 |
} |
| 381 |
|
| 382 |
static inline void gen_excp (DisasContext *ctx, int exception, int error_code) |
| 383 |
{
|
| 384 |
gen_update_pc(ctx); |
| 385 |
gen_op_excp(exception, error_code); |
| 386 |
} |
| 387 |
|
| 388 |
static inline void gen_invalid (DisasContext *ctx) |
| 389 |
{
|
| 390 |
gen_excp(ctx, EXCP_OPCDEC, 0);
|
| 391 |
} |
| 392 |
|
| 393 |
static void gen_load_mem (DisasContext *ctx, |
| 394 |
void (*gen_load_op)(DisasContext *ctx),
|
| 395 |
int ra, int rb, int32_t disp16, int clear) |
| 396 |
{
|
| 397 |
if (ra == 31 && disp16 == 0) { |
| 398 |
/* UNOP */
|
| 399 |
gen_op_nop(); |
| 400 |
} else {
|
| 401 |
gen_load_ir(ctx, rb, 0);
|
| 402 |
if (disp16 != 0) { |
| 403 |
gen_set_sT1(ctx, disp16); |
| 404 |
gen_op_addq(); |
| 405 |
} |
| 406 |
if (clear)
|
| 407 |
gen_op_n7(); |
| 408 |
(*gen_load_op)(ctx); |
| 409 |
gen_store_ir(ctx, ra, 1);
|
| 410 |
} |
| 411 |
} |
| 412 |
|
| 413 |
static void gen_store_mem (DisasContext *ctx, |
| 414 |
void (*gen_store_op)(DisasContext *ctx),
|
| 415 |
int ra, int rb, int32_t disp16, int clear) |
| 416 |
{
|
| 417 |
gen_load_ir(ctx, rb, 0);
|
| 418 |
if (disp16 != 0) { |
| 419 |
gen_set_sT1(ctx, disp16); |
| 420 |
gen_op_addq(); |
| 421 |
} |
| 422 |
if (clear)
|
| 423 |
gen_op_n7(); |
| 424 |
gen_load_ir(ctx, ra, 1);
|
| 425 |
(*gen_store_op)(ctx); |
| 426 |
} |
| 427 |
|
| 428 |
static void gen_load_fmem (DisasContext *ctx, |
| 429 |
void (*gen_load_fop)(DisasContext *ctx),
|
| 430 |
int ra, int rb, int32_t disp16) |
| 431 |
{
|
| 432 |
gen_load_ir(ctx, rb, 0);
|
| 433 |
if (disp16 != 0) { |
| 434 |
gen_set_sT1(ctx, disp16); |
| 435 |
gen_op_addq(); |
| 436 |
} |
| 437 |
(*gen_load_fop)(ctx); |
| 438 |
gen_store_fir(ctx, ra, 1);
|
| 439 |
} |
| 440 |
|
| 441 |
static void gen_store_fmem (DisasContext *ctx, |
| 442 |
void (*gen_store_fop)(DisasContext *ctx),
|
| 443 |
int ra, int rb, int32_t disp16) |
| 444 |
{
|
| 445 |
gen_load_ir(ctx, rb, 0);
|
| 446 |
if (disp16 != 0) { |
| 447 |
gen_set_sT1(ctx, disp16); |
| 448 |
gen_op_addq(); |
| 449 |
} |
| 450 |
gen_load_fir(ctx, ra, 1);
|
| 451 |
(*gen_store_fop)(ctx); |
| 452 |
} |
| 453 |
|
| 454 |
static void gen_bcond (DisasContext *ctx, void (*gen_test_op)(void), |
| 455 |
int ra, int32_t disp16)
|
| 456 |
{
|
| 457 |
if (disp16 != 0) { |
| 458 |
gen_set_uT0(ctx, ctx->pc); |
| 459 |
gen_set_sT1(ctx, disp16 << 2);
|
| 460 |
gen_op_addq1(); |
| 461 |
} else {
|
| 462 |
gen_set_uT1(ctx, ctx->pc); |
| 463 |
} |
| 464 |
gen_load_ir(ctx, ra, 0);
|
| 465 |
(*gen_test_op)(); |
| 466 |
_gen_op_bcond(ctx); |
| 467 |
} |
| 468 |
|
| 469 |
static void gen_fbcond (DisasContext *ctx, void (*gen_test_op)(void), |
| 470 |
int ra, int32_t disp16)
|
| 471 |
{
|
| 472 |
if (disp16 != 0) { |
| 473 |
gen_set_uT0(ctx, ctx->pc); |
| 474 |
gen_set_sT1(ctx, disp16 << 2);
|
| 475 |
gen_op_addq1(); |
| 476 |
} else {
|
| 477 |
gen_set_uT1(ctx, ctx->pc); |
| 478 |
} |
| 479 |
gen_load_fir(ctx, ra, 0);
|
| 480 |
(*gen_test_op)(); |
| 481 |
_gen_op_bcond(ctx); |
| 482 |
} |
| 483 |
|
| 484 |
static void gen_arith2 (DisasContext *ctx, void (*gen_arith_op)(void), |
| 485 |
int rb, int rc, int islit, int8_t lit) |
| 486 |
{
|
| 487 |
if (islit)
|
| 488 |
gen_set_sT0(ctx, lit); |
| 489 |
else
|
| 490 |
gen_load_ir(ctx, rb, 0);
|
| 491 |
(*gen_arith_op)(); |
| 492 |
gen_store_ir(ctx, rc, 0);
|
| 493 |
} |
| 494 |
|
| 495 |
static void gen_arith3 (DisasContext *ctx, void (*gen_arith_op)(void), |
| 496 |
int ra, int rb, int rc, int islit, int8_t lit) |
| 497 |
{
|
| 498 |
gen_load_ir(ctx, ra, 0);
|
| 499 |
if (islit)
|
| 500 |
gen_set_sT1(ctx, lit); |
| 501 |
else
|
| 502 |
gen_load_ir(ctx, rb, 1);
|
| 503 |
(*gen_arith_op)(); |
| 504 |
gen_store_ir(ctx, rc, 0);
|
| 505 |
} |
| 506 |
|
| 507 |
static void gen_cmov (DisasContext *ctx, void (*gen_test_op)(void), |
| 508 |
int ra, int rb, int rc, int islit, int8_t lit) |
| 509 |
{
|
| 510 |
gen_load_ir(ctx, ra, 1);
|
| 511 |
if (islit)
|
| 512 |
gen_set_sT0(ctx, lit); |
| 513 |
else
|
| 514 |
gen_load_ir(ctx, rb, 0);
|
| 515 |
(*gen_test_op)(); |
| 516 |
gen_op_cmov_ir(rc); |
| 517 |
} |
| 518 |
|
| 519 |
static void gen_farith2 (DisasContext *ctx, void (*gen_arith_fop)(void), |
| 520 |
int rb, int rc) |
| 521 |
{
|
| 522 |
gen_load_fir(ctx, rb, 0);
|
| 523 |
(*gen_arith_fop)(); |
| 524 |
gen_store_fir(ctx, rc, 0);
|
| 525 |
} |
| 526 |
|
| 527 |
static void gen_farith3 (DisasContext *ctx, void (*gen_arith_fop)(void), |
| 528 |
int ra, int rb, int rc) |
| 529 |
{
|
| 530 |
gen_load_fir(ctx, ra, 0);
|
| 531 |
gen_load_fir(ctx, rb, 1);
|
| 532 |
(*gen_arith_fop)(); |
| 533 |
gen_store_fir(ctx, rc, 0);
|
| 534 |
} |
| 535 |
|
| 536 |
static void gen_fcmov (DisasContext *ctx, void (*gen_test_fop)(void), |
| 537 |
int ra, int rb, int rc) |
| 538 |
{
|
| 539 |
gen_load_fir(ctx, ra, 0);
|
| 540 |
gen_load_fir(ctx, rb, 1);
|
| 541 |
(*gen_test_fop)(); |
| 542 |
gen_op_cmov_fir(rc); |
| 543 |
} |
| 544 |
|
| 545 |
static void gen_fti (DisasContext *ctx, void (*gen_move_fop)(void), |
| 546 |
int ra, int rc) |
| 547 |
{
|
| 548 |
gen_load_fir(ctx, rc, 0);
|
| 549 |
(*gen_move_fop)(); |
| 550 |
gen_store_ir(ctx, ra, 0);
|
| 551 |
} |
| 552 |
|
| 553 |
static void gen_itf (DisasContext *ctx, void (*gen_move_fop)(void), |
| 554 |
int ra, int rc) |
| 555 |
{
|
| 556 |
gen_load_ir(ctx, ra, 0);
|
| 557 |
(*gen_move_fop)(); |
| 558 |
gen_store_fir(ctx, rc, 0);
|
| 559 |
} |
| 560 |
|
| 561 |
static void gen_s4addl (void) |
| 562 |
{
|
| 563 |
gen_op_s4(); |
| 564 |
gen_op_addl(); |
| 565 |
} |
| 566 |
|
| 567 |
static void gen_s4subl (void) |
| 568 |
{
|
| 569 |
gen_op_s4(); |
| 570 |
gen_op_subl(); |
| 571 |
} |
| 572 |
|
| 573 |
static void gen_s8addl (void) |
| 574 |
{
|
| 575 |
gen_op_s8(); |
| 576 |
gen_op_addl(); |
| 577 |
} |
| 578 |
|
| 579 |
static void gen_s8subl (void) |
| 580 |
{
|
| 581 |
gen_op_s8(); |
| 582 |
gen_op_subl(); |
| 583 |
} |
| 584 |
|
| 585 |
static void gen_s4addq (void) |
| 586 |
{
|
| 587 |
gen_op_s4(); |
| 588 |
gen_op_addq(); |
| 589 |
} |
| 590 |
|
| 591 |
static void gen_s4subq (void) |
| 592 |
{
|
| 593 |
gen_op_s4(); |
| 594 |
gen_op_subq(); |
| 595 |
} |
| 596 |
|
| 597 |
static void gen_s8addq (void) |
| 598 |
{
|
| 599 |
gen_op_s8(); |
| 600 |
gen_op_addq(); |
| 601 |
} |
| 602 |
|
| 603 |
static void gen_s8subq (void) |
| 604 |
{
|
| 605 |
gen_op_s8(); |
| 606 |
gen_op_subq(); |
| 607 |
} |
| 608 |
|
| 609 |
static void gen_amask (void) |
| 610 |
{
|
| 611 |
gen_op_load_amask(); |
| 612 |
gen_op_bic(); |
| 613 |
} |
| 614 |
|
| 615 |
static int translate_one (DisasContext *ctx, uint32_t insn) |
| 616 |
{
|
| 617 |
uint32_t palcode; |
| 618 |
int32_t disp21, disp16, disp12; |
| 619 |
uint16_t fn11, fn16; |
| 620 |
uint8_t opc, ra, rb, rc, sbz, fpfn, fn7, fn2, islit; |
| 621 |
int8_t lit; |
| 622 |
int ret;
|
| 623 |
|
| 624 |
/* Decode all instruction fields */
|
| 625 |
opc = insn >> 26;
|
| 626 |
ra = (insn >> 21) & 0x1F; |
| 627 |
rb = (insn >> 16) & 0x1F; |
| 628 |
rc = insn & 0x1F;
|
| 629 |
sbz = (insn >> 13) & 0x07; |
| 630 |
islit = (insn >> 12) & 1; |
| 631 |
lit = (insn >> 13) & 0xFF; |
| 632 |
palcode = insn & 0x03FFFFFF;
|
| 633 |
disp21 = ((int32_t)((insn & 0x001FFFFF) << 11)) >> 11; |
| 634 |
disp16 = (int16_t)(insn & 0x0000FFFF);
|
| 635 |
disp12 = (int32_t)((insn & 0x00000FFF) << 20) >> 20; |
| 636 |
fn16 = insn & 0x0000FFFF;
|
| 637 |
fn11 = (insn >> 5) & 0x000007FF; |
| 638 |
fpfn = fn11 & 0x3F;
|
| 639 |
fn7 = (insn >> 5) & 0x0000007F; |
| 640 |
fn2 = (insn >> 5) & 0x00000003; |
| 641 |
ret = 0;
|
| 642 |
#if defined ALPHA_DEBUG_DISAS
|
| 643 |
if (logfile != NULL) { |
| 644 |
fprintf(logfile, "opc %02x ra %d rb %d rc %d disp16 %04x\n",
|
| 645 |
opc, ra, rb, rc, disp16); |
| 646 |
} |
| 647 |
#endif
|
| 648 |
switch (opc) {
|
| 649 |
case 0x00: |
| 650 |
/* CALL_PAL */
|
| 651 |
if (palcode >= 0x80 && palcode < 0xC0) { |
| 652 |
/* Unprivileged PAL call */
|
| 653 |
gen_excp(ctx, EXCP_CALL_PAL + ((palcode & 0x1F) << 6), 0); |
| 654 |
#if !defined (CONFIG_USER_ONLY)
|
| 655 |
} else if (palcode < 0x40) { |
| 656 |
/* Privileged PAL code */
|
| 657 |
if (ctx->mem_idx & 1) |
| 658 |
goto invalid_opc;
|
| 659 |
else
|
| 660 |
gen_excp(ctx, EXCP_CALL_PALP + ((palcode & 0x1F) << 6), 0); |
| 661 |
#endif
|
| 662 |
} else {
|
| 663 |
/* Invalid PAL call */
|
| 664 |
goto invalid_opc;
|
| 665 |
} |
| 666 |
ret = 3;
|
| 667 |
break;
|
| 668 |
case 0x01: |
| 669 |
/* OPC01 */
|
| 670 |
goto invalid_opc;
|
| 671 |
case 0x02: |
| 672 |
/* OPC02 */
|
| 673 |
goto invalid_opc;
|
| 674 |
case 0x03: |
| 675 |
/* OPC03 */
|
| 676 |
goto invalid_opc;
|
| 677 |
case 0x04: |
| 678 |
/* OPC04 */
|
| 679 |
goto invalid_opc;
|
| 680 |
case 0x05: |
| 681 |
/* OPC05 */
|
| 682 |
goto invalid_opc;
|
| 683 |
case 0x06: |
| 684 |
/* OPC06 */
|
| 685 |
goto invalid_opc;
|
| 686 |
case 0x07: |
| 687 |
/* OPC07 */
|
| 688 |
goto invalid_opc;
|
| 689 |
case 0x08: |
| 690 |
/* LDA */
|
| 691 |
gen_load_ir(ctx, rb, 0);
|
| 692 |
gen_set_sT1(ctx, disp16); |
| 693 |
gen_op_addq(); |
| 694 |
gen_store_ir(ctx, ra, 0);
|
| 695 |
break;
|
| 696 |
case 0x09: |
| 697 |
/* LDAH */
|
| 698 |
gen_load_ir(ctx, rb, 0);
|
| 699 |
gen_set_sT1(ctx, disp16 << 16);
|
| 700 |
gen_op_addq(); |
| 701 |
gen_store_ir(ctx, ra, 0);
|
| 702 |
break;
|
| 703 |
case 0x0A: |
| 704 |
/* LDBU */
|
| 705 |
if (!(ctx->amask & AMASK_BWX))
|
| 706 |
goto invalid_opc;
|
| 707 |
gen_load_mem(ctx, &gen_ldbu, ra, rb, disp16, 0);
|
| 708 |
break;
|
| 709 |
case 0x0B: |
| 710 |
/* LDQ_U */
|
| 711 |
gen_load_mem(ctx, &gen_ldq_u, ra, rb, disp16, 1);
|
| 712 |
break;
|
| 713 |
case 0x0C: |
| 714 |
/* LDWU */
|
| 715 |
if (!(ctx->amask & AMASK_BWX))
|
| 716 |
goto invalid_opc;
|
| 717 |
gen_load_mem(ctx, &gen_ldwu, ra, rb, disp16, 0);
|
| 718 |
break;
|
| 719 |
case 0x0D: |
| 720 |
/* STW */
|
| 721 |
if (!(ctx->amask & AMASK_BWX))
|
| 722 |
goto invalid_opc;
|
| 723 |
gen_store_mem(ctx, &gen_stw, ra, rb, disp16, 0);
|
| 724 |
break;
|
| 725 |
case 0x0E: |
| 726 |
/* STB */
|
| 727 |
if (!(ctx->amask & AMASK_BWX))
|
| 728 |
goto invalid_opc;
|
| 729 |
gen_store_mem(ctx, &gen_stb, ra, rb, disp16, 0);
|
| 730 |
break;
|
| 731 |
case 0x0F: |
| 732 |
/* STQ_U */
|
| 733 |
gen_store_mem(ctx, &gen_stq_u, ra, rb, disp16, 1);
|
| 734 |
break;
|
| 735 |
case 0x10: |
| 736 |
switch (fn7) {
|
| 737 |
case 0x00: |
| 738 |
/* ADDL */
|
| 739 |
gen_arith3(ctx, &gen_op_addl, ra, rb, rc, islit, lit); |
| 740 |
break;
|
| 741 |
case 0x02: |
| 742 |
/* S4ADDL */
|
| 743 |
gen_arith3(ctx, &gen_s4addl, ra, rb, rc, islit, lit); |
| 744 |
break;
|
| 745 |
case 0x09: |
| 746 |
/* SUBL */
|
| 747 |
gen_arith3(ctx, &gen_op_subl, ra, rb, rc, islit, lit); |
| 748 |
break;
|
| 749 |
case 0x0B: |
| 750 |
/* S4SUBL */
|
| 751 |
gen_arith3(ctx, &gen_s4subl, ra, rb, rc, islit, lit); |
| 752 |
break;
|
| 753 |
case 0x0F: |
| 754 |
/* CMPBGE */
|
| 755 |
gen_arith3(ctx, &gen_op_cmpbge, ra, rb, rc, islit, lit); |
| 756 |
break;
|
| 757 |
case 0x12: |
| 758 |
/* S8ADDL */
|
| 759 |
gen_arith3(ctx, &gen_s8addl, ra, rb, rc, islit, lit); |
| 760 |
break;
|
| 761 |
case 0x1B: |
| 762 |
/* S8SUBL */
|
| 763 |
gen_arith3(ctx, &gen_s8subl, ra, rb, rc, islit, lit); |
| 764 |
break;
|
| 765 |
case 0x1D: |
| 766 |
/* CMPULT */
|
| 767 |
gen_arith3(ctx, &gen_op_cmpult, ra, rb, rc, islit, lit); |
| 768 |
break;
|
| 769 |
case 0x20: |
| 770 |
/* ADDQ */
|
| 771 |
gen_arith3(ctx, &gen_op_addq, ra, rb, rc, islit, lit); |
| 772 |
break;
|
| 773 |
case 0x22: |
| 774 |
/* S4ADDQ */
|
| 775 |
gen_arith3(ctx, &gen_s4addq, ra, rb, rc, islit, lit); |
| 776 |
break;
|
| 777 |
case 0x29: |
| 778 |
/* SUBQ */
|
| 779 |
gen_arith3(ctx, &gen_op_subq, ra, rb, rc, islit, lit); |
| 780 |
break;
|
| 781 |
case 0x2B: |
| 782 |
/* S4SUBQ */
|
| 783 |
gen_arith3(ctx, &gen_s4subq, ra, rb, rc, islit, lit); |
| 784 |
break;
|
| 785 |
case 0x2D: |
| 786 |
/* CMPEQ */
|
| 787 |
gen_arith3(ctx, &gen_op_cmpeq, ra, rb, rc, islit, lit); |
| 788 |
break;
|
| 789 |
case 0x32: |
| 790 |
/* S8ADDQ */
|
| 791 |
gen_arith3(ctx, &gen_s8addq, ra, rb, rc, islit, lit); |
| 792 |
break;
|
| 793 |
case 0x3B: |
| 794 |
/* S8SUBQ */
|
| 795 |
gen_arith3(ctx, &gen_s8subq, ra, rb, rc, islit, lit); |
| 796 |
break;
|
| 797 |
case 0x3D: |
| 798 |
/* CMPULE */
|
| 799 |
gen_arith3(ctx, &gen_op_cmpule, ra, rb, rc, islit, lit); |
| 800 |
break;
|
| 801 |
case 0x40: |
| 802 |
/* ADDL/V */
|
| 803 |
gen_arith3(ctx, &gen_op_addlv, ra, rb, rc, islit, lit); |
| 804 |
break;
|
| 805 |
case 0x49: |
| 806 |
/* SUBL/V */
|
| 807 |
gen_arith3(ctx, &gen_op_sublv, ra, rb, rc, islit, lit); |
| 808 |
break;
|
| 809 |
case 0x4D: |
| 810 |
/* CMPLT */
|
| 811 |
gen_arith3(ctx, &gen_op_cmplt, ra, rb, rc, islit, lit); |
| 812 |
break;
|
| 813 |
case 0x60: |
| 814 |
/* ADDQ/V */
|
| 815 |
gen_arith3(ctx, &gen_op_addqv, ra, rb, rc, islit, lit); |
| 816 |
break;
|
| 817 |
case 0x69: |
| 818 |
/* SUBQ/V */
|
| 819 |
gen_arith3(ctx, &gen_op_subqv, ra, rb, rc, islit, lit); |
| 820 |
break;
|
| 821 |
case 0x6D: |
| 822 |
/* CMPLE */
|
| 823 |
gen_arith3(ctx, &gen_op_cmple, ra, rb, rc, islit, lit); |
| 824 |
break;
|
| 825 |
default:
|
| 826 |
goto invalid_opc;
|
| 827 |
} |
| 828 |
break;
|
| 829 |
case 0x11: |
| 830 |
switch (fn7) {
|
| 831 |
case 0x00: |
| 832 |
/* AND */
|
| 833 |
gen_arith3(ctx, &gen_op_and, ra, rb, rc, islit, lit); |
| 834 |
break;
|
| 835 |
case 0x08: |
| 836 |
/* BIC */
|
| 837 |
gen_arith3(ctx, &gen_op_bic, ra, rb, rc, islit, lit); |
| 838 |
break;
|
| 839 |
case 0x14: |
| 840 |
/* CMOVLBS */
|
| 841 |
gen_cmov(ctx, &gen_op_cmplbs, ra, rb, rc, islit, lit); |
| 842 |
break;
|
| 843 |
case 0x16: |
| 844 |
/* CMOVLBC */
|
| 845 |
gen_cmov(ctx, &gen_op_cmplbc, ra, rb, rc, islit, lit); |
| 846 |
break;
|
| 847 |
case 0x20: |
| 848 |
/* BIS */
|
| 849 |
if (ra == rb || ra == 31 || rb == 31) { |
| 850 |
if (ra == 31 && rc == 31) { |
| 851 |
/* NOP */
|
| 852 |
gen_op_nop(); |
| 853 |
} else {
|
| 854 |
/* MOV */
|
| 855 |
gen_load_ir(ctx, rb, 0);
|
| 856 |
gen_store_ir(ctx, rc, 0);
|
| 857 |
} |
| 858 |
} else {
|
| 859 |
gen_arith3(ctx, &gen_op_bis, ra, rb, rc, islit, lit); |
| 860 |
} |
| 861 |
break;
|
| 862 |
case 0x24: |
| 863 |
/* CMOVEQ */
|
| 864 |
gen_cmov(ctx, &gen_op_cmpeqz, ra, rb, rc, islit, lit); |
| 865 |
break;
|
| 866 |
case 0x26: |
| 867 |
/* CMOVNE */
|
| 868 |
gen_cmov(ctx, &gen_op_cmpnez, ra, rb, rc, islit, lit); |
| 869 |
break;
|
| 870 |
case 0x28: |
| 871 |
/* ORNOT */
|
| 872 |
gen_arith3(ctx, &gen_op_ornot, ra, rb, rc, islit, lit); |
| 873 |
break;
|
| 874 |
case 0x40: |
| 875 |
/* XOR */
|
| 876 |
gen_arith3(ctx, &gen_op_xor, ra, rb, rc, islit, lit); |
| 877 |
break;
|
| 878 |
case 0x44: |
| 879 |
/* CMOVLT */
|
| 880 |
gen_cmov(ctx, &gen_op_cmpltz, ra, rb, rc, islit, lit); |
| 881 |
break;
|
| 882 |
case 0x46: |
| 883 |
/* CMOVGE */
|
| 884 |
gen_cmov(ctx, &gen_op_cmpgez, ra, rb, rc, islit, lit); |
| 885 |
break;
|
| 886 |
case 0x48: |
| 887 |
/* EQV */
|
| 888 |
gen_arith3(ctx, &gen_op_eqv, ra, rb, rc, islit, lit); |
| 889 |
break;
|
| 890 |
case 0x61: |
| 891 |
/* AMASK */
|
| 892 |
gen_arith2(ctx, &gen_amask, rb, rc, islit, lit); |
| 893 |
break;
|
| 894 |
case 0x64: |
| 895 |
/* CMOVLE */
|
| 896 |
gen_cmov(ctx, &gen_op_cmplez, ra, rb, rc, islit, lit); |
| 897 |
break;
|
| 898 |
case 0x66: |
| 899 |
/* CMOVGT */
|
| 900 |
gen_cmov(ctx, &gen_op_cmpgtz, ra, rb, rc, islit, lit); |
| 901 |
break;
|
| 902 |
case 0x6C: |
| 903 |
/* IMPLVER */
|
| 904 |
gen_op_load_implver(); |
| 905 |
gen_store_ir(ctx, rc, 0);
|
| 906 |
break;
|
| 907 |
default:
|
| 908 |
goto invalid_opc;
|
| 909 |
} |
| 910 |
break;
|
| 911 |
case 0x12: |
| 912 |
switch (fn7) {
|
| 913 |
case 0x02: |
| 914 |
/* MSKBL */
|
| 915 |
gen_arith3(ctx, &gen_op_mskbl, ra, rb, rc, islit, lit); |
| 916 |
break;
|
| 917 |
case 0x06: |
| 918 |
/* EXTBL */
|
| 919 |
gen_arith3(ctx, &gen_op_extbl, ra, rb, rc, islit, lit); |
| 920 |
break;
|
| 921 |
case 0x0B: |
| 922 |
/* INSBL */
|
| 923 |
gen_arith3(ctx, &gen_op_insbl, ra, rb, rc, islit, lit); |
| 924 |
break;
|
| 925 |
case 0x12: |
| 926 |
/* MSKWL */
|
| 927 |
gen_arith3(ctx, &gen_op_mskwl, ra, rb, rc, islit, lit); |
| 928 |
break;
|
| 929 |
case 0x16: |
| 930 |
/* EXTWL */
|
| 931 |
gen_arith3(ctx, &gen_op_extwl, ra, rb, rc, islit, lit); |
| 932 |
break;
|
| 933 |
case 0x1B: |
| 934 |
/* INSWL */
|
| 935 |
gen_arith3(ctx, &gen_op_inswl, ra, rb, rc, islit, lit); |
| 936 |
break;
|
| 937 |
case 0x22: |
| 938 |
/* MSKLL */
|
| 939 |
gen_arith3(ctx, &gen_op_mskll, ra, rb, rc, islit, lit); |
| 940 |
break;
|
| 941 |
case 0x26: |
| 942 |
/* EXTLL */
|
| 943 |
gen_arith3(ctx, &gen_op_extll, ra, rb, rc, islit, lit); |
| 944 |
break;
|
| 945 |
case 0x2B: |
| 946 |
/* INSLL */
|
| 947 |
gen_arith3(ctx, &gen_op_insll, ra, rb, rc, islit, lit); |
| 948 |
break;
|
| 949 |
case 0x30: |
| 950 |
/* ZAP */
|
| 951 |
gen_arith3(ctx, &gen_op_zap, ra, rb, rc, islit, lit); |
| 952 |
break;
|
| 953 |
case 0x31: |
| 954 |
/* ZAPNOT */
|
| 955 |
gen_arith3(ctx, &gen_op_zapnot, ra, rb, rc, islit, lit); |
| 956 |
break;
|
| 957 |
case 0x32: |
| 958 |
/* MSKQL */
|
| 959 |
gen_arith3(ctx, &gen_op_mskql, ra, rb, rc, islit, lit); |
| 960 |
break;
|
| 961 |
case 0x34: |
| 962 |
/* SRL */
|
| 963 |
gen_arith3(ctx, &gen_op_srl, ra, rb, rc, islit, lit); |
| 964 |
break;
|
| 965 |
case 0x36: |
| 966 |
/* EXTQL */
|
| 967 |
gen_arith3(ctx, &gen_op_extql, ra, rb, rc, islit, lit); |
| 968 |
break;
|
| 969 |
case 0x39: |
| 970 |
/* SLL */
|
| 971 |
gen_arith3(ctx, &gen_op_sll, ra, rb, rc, islit, lit); |
| 972 |
break;
|
| 973 |
case 0x3B: |
| 974 |
/* INSQL */
|
| 975 |
gen_arith3(ctx, &gen_op_insql, ra, rb, rc, islit, lit); |
| 976 |
break;
|
| 977 |
case 0x3C: |
| 978 |
/* SRA */
|
| 979 |
gen_arith3(ctx, &gen_op_sra, ra, rb, rc, islit, lit); |
| 980 |
break;
|
| 981 |
case 0x52: |
| 982 |
/* MSKWH */
|
| 983 |
gen_arith3(ctx, &gen_op_mskwh, ra, rb, rc, islit, lit); |
| 984 |
break;
|
| 985 |
case 0x57: |
| 986 |
/* INSWH */
|
| 987 |
gen_arith3(ctx, &gen_op_inswh, ra, rb, rc, islit, lit); |
| 988 |
break;
|
| 989 |
case 0x5A: |
| 990 |
/* EXTWH */
|
| 991 |
gen_arith3(ctx, &gen_op_extwh, ra, rb, rc, islit, lit); |
| 992 |
break;
|
| 993 |
case 0x62: |
| 994 |
/* MSKLH */
|
| 995 |
gen_arith3(ctx, &gen_op_msklh, ra, rb, rc, islit, lit); |
| 996 |
break;
|
| 997 |
case 0x67: |
| 998 |
/* INSLH */
|
| 999 |
gen_arith3(ctx, &gen_op_inslh, ra, rb, rc, islit, lit); |
| 1000 |
break;
|
| 1001 |
case 0x6A: |
| 1002 |
/* EXTLH */
|
| 1003 |
gen_arith3(ctx, &gen_op_extlh, ra, rb, rc, islit, lit); |
| 1004 |
break;
|
| 1005 |
case 0x72: |
| 1006 |
/* MSKQH */
|
| 1007 |
gen_arith3(ctx, &gen_op_mskqh, ra, rb, rc, islit, lit); |
| 1008 |
break;
|
| 1009 |
case 0x77: |
| 1010 |
/* INSQH */
|
| 1011 |
gen_arith3(ctx, &gen_op_insqh, ra, rb, rc, islit, lit); |
| 1012 |
break;
|
| 1013 |
case 0x7A: |
| 1014 |
/* EXTQH */
|
| 1015 |
gen_arith3(ctx, &gen_op_extqh, ra, rb, rc, islit, lit); |
| 1016 |
break;
|
| 1017 |
default:
|
| 1018 |
goto invalid_opc;
|
| 1019 |
} |
| 1020 |
break;
|
| 1021 |
case 0x13: |
| 1022 |
switch (fn7) {
|
| 1023 |
case 0x00: |
| 1024 |
/* MULL */
|
| 1025 |
gen_arith3(ctx, &gen_op_mull, ra, rb, rc, islit, lit); |
| 1026 |
break;
|
| 1027 |
case 0x20: |
| 1028 |
/* MULQ */
|
| 1029 |
gen_arith3(ctx, &gen_op_mulq, ra, rb, rc, islit, lit); |
| 1030 |
break;
|
| 1031 |
case 0x30: |
| 1032 |
/* UMULH */
|
| 1033 |
gen_arith3(ctx, &gen_op_umulh, ra, rb, rc, islit, lit); |
| 1034 |
break;
|
| 1035 |
case 0x40: |
| 1036 |
/* MULL/V */
|
| 1037 |
gen_arith3(ctx, &gen_op_mullv, ra, rb, rc, islit, lit); |
| 1038 |
break;
|
| 1039 |
case 0x60: |
| 1040 |
/* MULQ/V */
|
| 1041 |
gen_arith3(ctx, &gen_op_mulqv, ra, rb, rc, islit, lit); |
| 1042 |
break;
|
| 1043 |
default:
|
| 1044 |
goto invalid_opc;
|
| 1045 |
} |
| 1046 |
break;
|
| 1047 |
case 0x14: |
| 1048 |
switch (fpfn) { /* f11 & 0x3F */ |
| 1049 |
case 0x04: |
| 1050 |
/* ITOFS */
|
| 1051 |
if (!(ctx->amask & AMASK_FIX))
|
| 1052 |
goto invalid_opc;
|
| 1053 |
gen_itf(ctx, &gen_op_itofs, ra, rc); |
| 1054 |
break;
|
| 1055 |
case 0x0A: |
| 1056 |
/* SQRTF */
|
| 1057 |
if (!(ctx->amask & AMASK_FIX))
|
| 1058 |
goto invalid_opc;
|
| 1059 |
gen_farith2(ctx, &gen_op_sqrtf, rb, rc); |
| 1060 |
break;
|
| 1061 |
case 0x0B: |
| 1062 |
/* SQRTS */
|
| 1063 |
if (!(ctx->amask & AMASK_FIX))
|
| 1064 |
goto invalid_opc;
|
| 1065 |
gen_farith2(ctx, &gen_op_sqrts, rb, rc); |
| 1066 |
break;
|
| 1067 |
case 0x14: |
| 1068 |
/* ITOFF */
|
| 1069 |
if (!(ctx->amask & AMASK_FIX))
|
| 1070 |
goto invalid_opc;
|
| 1071 |
#if 0 // TODO
|
| 1072 |
gen_itf(ctx, &gen_op_itoff, ra, rc);
|
| 1073 |
#else
|
| 1074 |
goto invalid_opc;
|
| 1075 |
#endif
|
| 1076 |
break;
|
| 1077 |
case 0x24: |
| 1078 |
/* ITOFT */
|
| 1079 |
if (!(ctx->amask & AMASK_FIX))
|
| 1080 |
goto invalid_opc;
|
| 1081 |
gen_itf(ctx, &gen_op_itoft, ra, rc); |
| 1082 |
break;
|
| 1083 |
case 0x2A: |
| 1084 |
/* SQRTG */
|
| 1085 |
if (!(ctx->amask & AMASK_FIX))
|
| 1086 |
goto invalid_opc;
|
| 1087 |
gen_farith2(ctx, &gen_op_sqrtg, rb, rc); |
| 1088 |
break;
|
| 1089 |
case 0x02B: |
| 1090 |
/* SQRTT */
|
| 1091 |
if (!(ctx->amask & AMASK_FIX))
|
| 1092 |
goto invalid_opc;
|
| 1093 |
gen_farith2(ctx, &gen_op_sqrtt, rb, rc); |
| 1094 |
break;
|
| 1095 |
default:
|
| 1096 |
goto invalid_opc;
|
| 1097 |
} |
| 1098 |
break;
|
| 1099 |
case 0x15: |
| 1100 |
/* VAX floating point */
|
| 1101 |
/* XXX: rounding mode and trap are ignored (!) */
|
| 1102 |
switch (fpfn) { /* f11 & 0x3F */ |
| 1103 |
case 0x00: |
| 1104 |
/* ADDF */
|
| 1105 |
gen_farith3(ctx, &gen_op_addf, ra, rb, rc); |
| 1106 |
break;
|
| 1107 |
case 0x01: |
| 1108 |
/* SUBF */
|
| 1109 |
gen_farith3(ctx, &gen_op_subf, ra, rb, rc); |
| 1110 |
break;
|
| 1111 |
case 0x02: |
| 1112 |
/* MULF */
|
| 1113 |
gen_farith3(ctx, &gen_op_mulf, ra, rb, rc); |
| 1114 |
break;
|
| 1115 |
case 0x03: |
| 1116 |
/* DIVF */
|
| 1117 |
gen_farith3(ctx, &gen_op_divf, ra, rb, rc); |
| 1118 |
break;
|
| 1119 |
case 0x1E: |
| 1120 |
/* CVTDG */
|
| 1121 |
#if 0 // TODO
|
| 1122 |
gen_farith2(ctx, &gen_op_cvtdg, rb, rc);
|
| 1123 |
#else
|
| 1124 |
goto invalid_opc;
|
| 1125 |
#endif
|
| 1126 |
break;
|
| 1127 |
case 0x20: |
| 1128 |
/* ADDG */
|
| 1129 |
gen_farith3(ctx, &gen_op_addg, ra, rb, rc); |
| 1130 |
break;
|
| 1131 |
case 0x21: |
| 1132 |
/* SUBG */
|
| 1133 |
gen_farith3(ctx, &gen_op_subg, ra, rb, rc); |
| 1134 |
break;
|
| 1135 |
case 0x22: |
| 1136 |
/* MULG */
|
| 1137 |
gen_farith3(ctx, &gen_op_mulg, ra, rb, rc); |
| 1138 |
break;
|
| 1139 |
case 0x23: |
| 1140 |
/* DIVG */
|
| 1141 |
gen_farith3(ctx, &gen_op_divg, ra, rb, rc); |
| 1142 |
break;
|
| 1143 |
case 0x25: |
| 1144 |
/* CMPGEQ */
|
| 1145 |
gen_farith3(ctx, &gen_op_cmpgeq, ra, rb, rc); |
| 1146 |
break;
|
| 1147 |
case 0x26: |
| 1148 |
/* CMPGLT */
|
| 1149 |
gen_farith3(ctx, &gen_op_cmpglt, ra, rb, rc); |
| 1150 |
break;
|
| 1151 |
case 0x27: |
| 1152 |
/* CMPGLE */
|
| 1153 |
gen_farith3(ctx, &gen_op_cmpgle, ra, rb, rc); |
| 1154 |
break;
|
| 1155 |
case 0x2C: |
| 1156 |
/* CVTGF */
|
| 1157 |
gen_farith2(ctx, &gen_op_cvtgf, rb, rc); |
| 1158 |
break;
|
| 1159 |
case 0x2D: |
| 1160 |
/* CVTGD */
|
| 1161 |
#if 0 // TODO
|
| 1162 |
gen_farith2(ctx, &gen_op_cvtgd, rb, rc);
|
| 1163 |
#else
|
| 1164 |
goto invalid_opc;
|
| 1165 |
#endif
|
| 1166 |
break;
|
| 1167 |
case 0x2F: |
| 1168 |
/* CVTGQ */
|
| 1169 |
gen_farith2(ctx, &gen_op_cvtgq, rb, rc); |
| 1170 |
break;
|
| 1171 |
case 0x3C: |
| 1172 |
/* CVTQF */
|
| 1173 |
gen_farith2(ctx, &gen_op_cvtqf, rb, rc); |
| 1174 |
break;
|
| 1175 |
case 0x3E: |
| 1176 |
/* CVTQG */
|
| 1177 |
gen_farith2(ctx, &gen_op_cvtqg, rb, rc); |
| 1178 |
break;
|
| 1179 |
default:
|
| 1180 |
goto invalid_opc;
|
| 1181 |
} |
| 1182 |
break;
|
| 1183 |
case 0x16: |
| 1184 |
/* IEEE floating-point */
|
| 1185 |
/* XXX: rounding mode and traps are ignored (!) */
|
| 1186 |
switch (fpfn) { /* f11 & 0x3F */ |
| 1187 |
case 0x00: |
| 1188 |
/* ADDS */
|
| 1189 |
gen_farith3(ctx, &gen_op_adds, ra, rb, rc); |
| 1190 |
break;
|
| 1191 |
case 0x01: |
| 1192 |
/* SUBS */
|
| 1193 |
gen_farith3(ctx, &gen_op_subs, ra, rb, rc); |
| 1194 |
break;
|
| 1195 |
case 0x02: |
| 1196 |
/* MULS */
|
| 1197 |
gen_farith3(ctx, &gen_op_muls, ra, rb, rc); |
| 1198 |
break;
|
| 1199 |
case 0x03: |
| 1200 |
/* DIVS */
|
| 1201 |
gen_farith3(ctx, &gen_op_divs, ra, rb, rc); |
| 1202 |
break;
|
| 1203 |
case 0x20: |
| 1204 |
/* ADDT */
|
| 1205 |
gen_farith3(ctx, &gen_op_addt, ra, rb, rc); |
| 1206 |
break;
|
| 1207 |
case 0x21: |
| 1208 |
/* SUBT */
|
| 1209 |
gen_farith3(ctx, &gen_op_subt, ra, rb, rc); |
| 1210 |
break;
|
| 1211 |
case 0x22: |
| 1212 |
/* MULT */
|
| 1213 |
gen_farith3(ctx, &gen_op_mult, ra, rb, rc); |
| 1214 |
break;
|
| 1215 |
case 0x23: |
| 1216 |
/* DIVT */
|
| 1217 |
gen_farith3(ctx, &gen_op_divt, ra, rb, rc); |
| 1218 |
break;
|
| 1219 |
case 0x24: |
| 1220 |
/* CMPTUN */
|
| 1221 |
gen_farith3(ctx, &gen_op_cmptun, ra, rb, rc); |
| 1222 |
break;
|
| 1223 |
case 0x25: |
| 1224 |
/* CMPTEQ */
|
| 1225 |
gen_farith3(ctx, &gen_op_cmpteq, ra, rb, rc); |
| 1226 |
break;
|
| 1227 |
case 0x26: |
| 1228 |
/* CMPTLT */
|
| 1229 |
gen_farith3(ctx, &gen_op_cmptlt, ra, rb, rc); |
| 1230 |
break;
|
| 1231 |
case 0x27: |
| 1232 |
/* CMPTLE */
|
| 1233 |
gen_farith3(ctx, &gen_op_cmptle, ra, rb, rc); |
| 1234 |
break;
|
| 1235 |
case 0x2C: |
| 1236 |
/* XXX: incorrect */
|
| 1237 |
if (fn11 == 0x2AC) { |
| 1238 |
/* CVTST */
|
| 1239 |
gen_farith2(ctx, &gen_op_cvtst, rb, rc); |
| 1240 |
} else {
|
| 1241 |
/* CVTTS */
|
| 1242 |
gen_farith2(ctx, &gen_op_cvtts, rb, rc); |
| 1243 |
} |
| 1244 |
break;
|
| 1245 |
case 0x2F: |
| 1246 |
/* CVTTQ */
|
| 1247 |
gen_farith2(ctx, &gen_op_cvttq, rb, rc); |
| 1248 |
break;
|
| 1249 |
case 0x3C: |
| 1250 |
/* CVTQS */
|
| 1251 |
gen_farith2(ctx, &gen_op_cvtqs, rb, rc); |
| 1252 |
break;
|
| 1253 |
case 0x3E: |
| 1254 |
/* CVTQT */
|
| 1255 |
gen_farith2(ctx, &gen_op_cvtqt, rb, rc); |
| 1256 |
break;
|
| 1257 |
default:
|
| 1258 |
goto invalid_opc;
|
| 1259 |
} |
| 1260 |
break;
|
| 1261 |
case 0x17: |
| 1262 |
switch (fn11) {
|
| 1263 |
case 0x010: |
| 1264 |
/* CVTLQ */
|
| 1265 |
gen_farith2(ctx, &gen_op_cvtlq, rb, rc); |
| 1266 |
break;
|
| 1267 |
case 0x020: |
| 1268 |
/* CPYS */
|
| 1269 |
if (ra == rb) {
|
| 1270 |
if (ra == 31 && rc == 31) { |
| 1271 |
/* FNOP */
|
| 1272 |
gen_op_nop(); |
| 1273 |
} else {
|
| 1274 |
/* FMOV */
|
| 1275 |
gen_load_fir(ctx, rb, 0);
|
| 1276 |
gen_store_fir(ctx, rc, 0);
|
| 1277 |
} |
| 1278 |
} else {
|
| 1279 |
gen_farith3(ctx, &gen_op_cpys, ra, rb, rc); |
| 1280 |
} |
| 1281 |
break;
|
| 1282 |
case 0x021: |
| 1283 |
/* CPYSN */
|
| 1284 |
gen_farith2(ctx, &gen_op_cpysn, rb, rc); |
| 1285 |
break;
|
| 1286 |
case 0x022: |
| 1287 |
/* CPYSE */
|
| 1288 |
gen_farith2(ctx, &gen_op_cpyse, rb, rc); |
| 1289 |
break;
|
| 1290 |
case 0x024: |
| 1291 |
/* MT_FPCR */
|
| 1292 |
gen_load_fir(ctx, ra, 0);
|
| 1293 |
gen_op_store_fpcr(); |
| 1294 |
break;
|
| 1295 |
case 0x025: |
| 1296 |
/* MF_FPCR */
|
| 1297 |
gen_op_load_fpcr(); |
| 1298 |
gen_store_fir(ctx, ra, 0);
|
| 1299 |
break;
|
| 1300 |
case 0x02A: |
| 1301 |
/* FCMOVEQ */
|
| 1302 |
gen_fcmov(ctx, &gen_op_cmpfeq, ra, rb, rc); |
| 1303 |
break;
|
| 1304 |
case 0x02B: |
| 1305 |
/* FCMOVNE */
|
| 1306 |
gen_fcmov(ctx, &gen_op_cmpfne, ra, rb, rc); |
| 1307 |
break;
|
| 1308 |
case 0x02C: |
| 1309 |
/* FCMOVLT */
|
| 1310 |
gen_fcmov(ctx, &gen_op_cmpflt, ra, rb, rc); |
| 1311 |
break;
|
| 1312 |
case 0x02D: |
| 1313 |
/* FCMOVGE */
|
| 1314 |
gen_fcmov(ctx, &gen_op_cmpfge, ra, rb, rc); |
| 1315 |
break;
|
| 1316 |
case 0x02E: |
| 1317 |
/* FCMOVLE */
|
| 1318 |
gen_fcmov(ctx, &gen_op_cmpfle, ra, rb, rc); |
| 1319 |
break;
|
| 1320 |
case 0x02F: |
| 1321 |
/* FCMOVGT */
|
| 1322 |
gen_fcmov(ctx, &gen_op_cmpfgt, ra, rb, rc); |
| 1323 |
break;
|
| 1324 |
case 0x030: |
| 1325 |
/* CVTQL */
|
| 1326 |
gen_farith2(ctx, &gen_op_cvtql, rb, rc); |
| 1327 |
break;
|
| 1328 |
case 0x130: |
| 1329 |
/* CVTQL/V */
|
| 1330 |
gen_farith2(ctx, &gen_op_cvtqlv, rb, rc); |
| 1331 |
break;
|
| 1332 |
case 0x530: |
| 1333 |
/* CVTQL/SV */
|
| 1334 |
gen_farith2(ctx, &gen_op_cvtqlsv, rb, rc); |
| 1335 |
break;
|
| 1336 |
default:
|
| 1337 |
goto invalid_opc;
|
| 1338 |
} |
| 1339 |
break;
|
| 1340 |
case 0x18: |
| 1341 |
switch ((uint16_t)disp16) {
|
| 1342 |
case 0x0000: |
| 1343 |
/* TRAPB */
|
| 1344 |
/* No-op. Just exit from the current tb */
|
| 1345 |
ret = 2;
|
| 1346 |
break;
|
| 1347 |
case 0x0400: |
| 1348 |
/* EXCB */
|
| 1349 |
/* No-op. Just exit from the current tb */
|
| 1350 |
ret = 2;
|
| 1351 |
break;
|
| 1352 |
case 0x4000: |
| 1353 |
/* MB */
|
| 1354 |
/* No-op */
|
| 1355 |
break;
|
| 1356 |
case 0x4400: |
| 1357 |
/* WMB */
|
| 1358 |
/* No-op */
|
| 1359 |
break;
|
| 1360 |
case 0x8000: |
| 1361 |
/* FETCH */
|
| 1362 |
/* No-op */
|
| 1363 |
break;
|
| 1364 |
case 0xA000: |
| 1365 |
/* FETCH_M */
|
| 1366 |
/* No-op */
|
| 1367 |
break;
|
| 1368 |
case 0xC000: |
| 1369 |
/* RPCC */
|
| 1370 |
gen_op_load_pcc(); |
| 1371 |
gen_store_ir(ctx, ra, 0);
|
| 1372 |
break;
|
| 1373 |
case 0xE000: |
| 1374 |
/* RC */
|
| 1375 |
gen_op_load_irf(); |
| 1376 |
gen_store_ir(ctx, ra, 0);
|
| 1377 |
gen_op_clear_irf(); |
| 1378 |
break;
|
| 1379 |
case 0xE800: |
| 1380 |
/* ECB */
|
| 1381 |
/* XXX: TODO: evict tb cache at address rb */
|
| 1382 |
#if 0
|
| 1383 |
ret = 2;
|
| 1384 |
#else
|
| 1385 |
goto invalid_opc;
|
| 1386 |
#endif
|
| 1387 |
break;
|
| 1388 |
case 0xF000: |
| 1389 |
/* RS */
|
| 1390 |
gen_op_load_irf(); |
| 1391 |
gen_store_ir(ctx, ra, 0);
|
| 1392 |
gen_op_set_irf(); |
| 1393 |
break;
|
| 1394 |
case 0xF800: |
| 1395 |
/* WH64 */
|
| 1396 |
/* No-op */
|
| 1397 |
break;
|
| 1398 |
default:
|
| 1399 |
goto invalid_opc;
|
| 1400 |
} |
| 1401 |
break;
|
| 1402 |
case 0x19: |
| 1403 |
/* HW_MFPR (PALcode) */
|
| 1404 |
#if defined (CONFIG_USER_ONLY)
|
| 1405 |
goto invalid_opc;
|
| 1406 |
#else
|
| 1407 |
if (!ctx->pal_mode)
|
| 1408 |
goto invalid_opc;
|
| 1409 |
gen_op_mfpr(insn & 0xFF);
|
| 1410 |
gen_store_ir(ctx, ra, 0);
|
| 1411 |
break;
|
| 1412 |
#endif
|
| 1413 |
case 0x1A: |
| 1414 |
gen_load_ir(ctx, rb, 0);
|
| 1415 |
if (ra != 31) { |
| 1416 |
gen_set_uT1(ctx, ctx->pc); |
| 1417 |
gen_store_ir(ctx, ra, 1);
|
| 1418 |
} |
| 1419 |
gen_op_branch(); |
| 1420 |
/* Those four jumps only differ by the branch prediction hint */
|
| 1421 |
switch (fn2) {
|
| 1422 |
case 0x0: |
| 1423 |
/* JMP */
|
| 1424 |
break;
|
| 1425 |
case 0x1: |
| 1426 |
/* JSR */
|
| 1427 |
break;
|
| 1428 |
case 0x2: |
| 1429 |
/* RET */
|
| 1430 |
break;
|
| 1431 |
case 0x3: |
| 1432 |
/* JSR_COROUTINE */
|
| 1433 |
break;
|
| 1434 |
} |
| 1435 |
ret = 1;
|
| 1436 |
break;
|
| 1437 |
case 0x1B: |
| 1438 |
/* HW_LD (PALcode) */
|
| 1439 |
#if defined (CONFIG_USER_ONLY)
|
| 1440 |
goto invalid_opc;
|
| 1441 |
#else
|
| 1442 |
if (!ctx->pal_mode)
|
| 1443 |
goto invalid_opc;
|
| 1444 |
gen_load_ir(ctx, rb, 0);
|
| 1445 |
gen_set_sT1(ctx, disp12); |
| 1446 |
gen_op_addq(); |
| 1447 |
switch ((insn >> 12) & 0xF) { |
| 1448 |
case 0x0: |
| 1449 |
/* Longword physical access */
|
| 1450 |
gen_op_ldl_raw(); |
| 1451 |
break;
|
| 1452 |
case 0x1: |
| 1453 |
/* Quadword physical access */
|
| 1454 |
gen_op_ldq_raw(); |
| 1455 |
break;
|
| 1456 |
case 0x2: |
| 1457 |
/* Longword physical access with lock */
|
| 1458 |
gen_op_ldl_l_raw(); |
| 1459 |
break;
|
| 1460 |
case 0x3: |
| 1461 |
/* Quadword physical access with lock */
|
| 1462 |
gen_op_ldq_l_raw(); |
| 1463 |
break;
|
| 1464 |
case 0x4: |
| 1465 |
/* Longword virtual PTE fetch */
|
| 1466 |
gen_op_ldl_kernel(); |
| 1467 |
break;
|
| 1468 |
case 0x5: |
| 1469 |
/* Quadword virtual PTE fetch */
|
| 1470 |
gen_op_ldq_kernel(); |
| 1471 |
break;
|
| 1472 |
case 0x6: |
| 1473 |
/* Invalid */
|
| 1474 |
goto invalid_opc;
|
| 1475 |
case 0x7: |
| 1476 |
/* Invalid */
|
| 1477 |
goto invalid_opc;
|
| 1478 |
case 0x8: |
| 1479 |
/* Longword virtual access */
|
| 1480 |
gen_op_ld_phys_to_virt(); |
| 1481 |
gen_op_ldl_raw(); |
| 1482 |
break;
|
| 1483 |
case 0x9: |
| 1484 |
/* Quadword virtual access */
|
| 1485 |
gen_op_ld_phys_to_virt(); |
| 1486 |
gen_op_ldq_raw(); |
| 1487 |
break;
|
| 1488 |
case 0xA: |
| 1489 |
/* Longword virtual access with protection check */
|
| 1490 |
gen_ldl(ctx); |
| 1491 |
break;
|
| 1492 |
case 0xB: |
| 1493 |
/* Quadword virtual access with protection check */
|
| 1494 |
gen_ldq(ctx); |
| 1495 |
break;
|
| 1496 |
case 0xC: |
| 1497 |
/* Longword virtual access with altenate access mode */
|
| 1498 |
gen_op_set_alt_mode(); |
| 1499 |
gen_op_ld_phys_to_virt(); |
| 1500 |
gen_op_ldl_raw(); |
| 1501 |
gen_op_restore_mode(); |
| 1502 |
break;
|
| 1503 |
case 0xD: |
| 1504 |
/* Quadword virtual access with altenate access mode */
|
| 1505 |
gen_op_set_alt_mode(); |
| 1506 |
gen_op_ld_phys_to_virt(); |
| 1507 |
gen_op_ldq_raw(); |
| 1508 |
gen_op_restore_mode(); |
| 1509 |
break;
|
| 1510 |
case 0xE: |
| 1511 |
/* Longword virtual access with alternate access mode and
|
| 1512 |
* protection checks
|
| 1513 |
*/
|
| 1514 |
gen_op_set_alt_mode(); |
| 1515 |
gen_op_ldl_data(); |
| 1516 |
gen_op_restore_mode(); |
| 1517 |
break;
|
| 1518 |
case 0xF: |
| 1519 |
/* Quadword virtual access with alternate access mode and
|
| 1520 |
* protection checks
|
| 1521 |
*/
|
| 1522 |
gen_op_set_alt_mode(); |
| 1523 |
gen_op_ldq_data(); |
| 1524 |
gen_op_restore_mode(); |
| 1525 |
break;
|
| 1526 |
} |
| 1527 |
gen_store_ir(ctx, ra, 1);
|
| 1528 |
break;
|
| 1529 |
#endif
|
| 1530 |
case 0x1C: |
| 1531 |
switch (fn7) {
|
| 1532 |
case 0x00: |
| 1533 |
/* SEXTB */
|
| 1534 |
if (!(ctx->amask & AMASK_BWX))
|
| 1535 |
goto invalid_opc;
|
| 1536 |
gen_arith2(ctx, &gen_op_sextb, rb, rc, islit, lit); |
| 1537 |
break;
|
| 1538 |
case 0x01: |
| 1539 |
/* SEXTW */
|
| 1540 |
if (!(ctx->amask & AMASK_BWX))
|
| 1541 |
goto invalid_opc;
|
| 1542 |
gen_arith2(ctx, &gen_op_sextw, rb, rc, islit, lit); |
| 1543 |
break;
|
| 1544 |
case 0x30: |
| 1545 |
/* CTPOP */
|
| 1546 |
if (!(ctx->amask & AMASK_CIX))
|
| 1547 |
goto invalid_opc;
|
| 1548 |
gen_arith2(ctx, &gen_op_ctpop, rb, rc, 0, 0); |
| 1549 |
break;
|
| 1550 |
case 0x31: |
| 1551 |
/* PERR */
|
| 1552 |
if (!(ctx->amask & AMASK_MVI))
|
| 1553 |
goto invalid_opc;
|
| 1554 |
/* XXX: TODO */
|
| 1555 |
goto invalid_opc;
|
| 1556 |
break;
|
| 1557 |
case 0x32: |
| 1558 |
/* CTLZ */
|
| 1559 |
if (!(ctx->amask & AMASK_CIX))
|
| 1560 |
goto invalid_opc;
|
| 1561 |
gen_arith2(ctx, &gen_op_ctlz, rb, rc, 0, 0); |
| 1562 |
break;
|
| 1563 |
case 0x33: |
| 1564 |
/* CTTZ */
|
| 1565 |
if (!(ctx->amask & AMASK_CIX))
|
| 1566 |
goto invalid_opc;
|
| 1567 |
gen_arith2(ctx, &gen_op_cttz, rb, rc, 0, 0); |
| 1568 |
break;
|
| 1569 |
case 0x34: |
| 1570 |
/* UNPKBW */
|
| 1571 |
if (!(ctx->amask & AMASK_MVI))
|
| 1572 |
goto invalid_opc;
|
| 1573 |
/* XXX: TODO */
|
| 1574 |
goto invalid_opc;
|
| 1575 |
break;
|
| 1576 |
case 0x35: |
| 1577 |
/* UNPKWL */
|
| 1578 |
if (!(ctx->amask & AMASK_MVI))
|
| 1579 |
goto invalid_opc;
|
| 1580 |
/* XXX: TODO */
|
| 1581 |
goto invalid_opc;
|
| 1582 |
break;
|
| 1583 |
case 0x36: |
| 1584 |
/* PKWB */
|
| 1585 |
if (!(ctx->amask & AMASK_MVI))
|
| 1586 |
goto invalid_opc;
|
| 1587 |
/* XXX: TODO */
|
| 1588 |
goto invalid_opc;
|
| 1589 |
break;
|
| 1590 |
case 0x37: |
| 1591 |
/* PKLB */
|
| 1592 |
if (!(ctx->amask & AMASK_MVI))
|
| 1593 |
goto invalid_opc;
|
| 1594 |
/* XXX: TODO */
|
| 1595 |
goto invalid_opc;
|
| 1596 |
break;
|
| 1597 |
case 0x38: |
| 1598 |
/* MINSB8 */
|
| 1599 |
if (!(ctx->amask & AMASK_MVI))
|
| 1600 |
goto invalid_opc;
|
| 1601 |
/* XXX: TODO */
|
| 1602 |
goto invalid_opc;
|
| 1603 |
break;
|
| 1604 |
case 0x39: |
| 1605 |
/* MINSW4 */
|
| 1606 |
if (!(ctx->amask & AMASK_MVI))
|
| 1607 |
goto invalid_opc;
|
| 1608 |
/* XXX: TODO */
|
| 1609 |
goto invalid_opc;
|
| 1610 |
break;
|
| 1611 |
case 0x3A: |
| 1612 |
/* MINUB8 */
|
| 1613 |
if (!(ctx->amask & AMASK_MVI))
|
| 1614 |
goto invalid_opc;
|
| 1615 |
/* XXX: TODO */
|
| 1616 |
goto invalid_opc;
|
| 1617 |
break;
|
| 1618 |
case 0x3B: |
| 1619 |
/* MINUW4 */
|
| 1620 |
if (!(ctx->amask & AMASK_MVI))
|
| 1621 |
goto invalid_opc;
|
| 1622 |
/* XXX: TODO */
|
| 1623 |
goto invalid_opc;
|
| 1624 |
break;
|
| 1625 |
case 0x3C: |
| 1626 |
/* MAXUB8 */
|
| 1627 |
if (!(ctx->amask & AMASK_MVI))
|
| 1628 |
goto invalid_opc;
|
| 1629 |
/* XXX: TODO */
|
| 1630 |
goto invalid_opc;
|
| 1631 |
break;
|
| 1632 |
case 0x3D: |
| 1633 |
/* MAXUW4 */
|
| 1634 |
if (!(ctx->amask & AMASK_MVI))
|
| 1635 |
goto invalid_opc;
|
| 1636 |
/* XXX: TODO */
|
| 1637 |
goto invalid_opc;
|
| 1638 |
break;
|
| 1639 |
case 0x3E: |
| 1640 |
/* MAXSB8 */
|
| 1641 |
if (!(ctx->amask & AMASK_MVI))
|
| 1642 |
goto invalid_opc;
|
| 1643 |
/* XXX: TODO */
|
| 1644 |
goto invalid_opc;
|
| 1645 |
break;
|
| 1646 |
case 0x3F: |
| 1647 |
/* MAXSW4 */
|
| 1648 |
if (!(ctx->amask & AMASK_MVI))
|
| 1649 |
goto invalid_opc;
|
| 1650 |
/* XXX: TODO */
|
| 1651 |
goto invalid_opc;
|
| 1652 |
break;
|
| 1653 |
case 0x70: |
| 1654 |
/* FTOIT */
|
| 1655 |
if (!(ctx->amask & AMASK_FIX))
|
| 1656 |
goto invalid_opc;
|
| 1657 |
gen_fti(ctx, &gen_op_ftoit, ra, rb); |
| 1658 |
break;
|
| 1659 |
case 0x78: |
| 1660 |
/* FTOIS */
|
| 1661 |
if (!(ctx->amask & AMASK_FIX))
|
| 1662 |
goto invalid_opc;
|
| 1663 |
gen_fti(ctx, &gen_op_ftois, ra, rb); |
| 1664 |
break;
|
| 1665 |
default:
|
| 1666 |
goto invalid_opc;
|
| 1667 |
} |
| 1668 |
break;
|
| 1669 |
case 0x1D: |
| 1670 |
/* HW_MTPR (PALcode) */
|
| 1671 |
#if defined (CONFIG_USER_ONLY)
|
| 1672 |
goto invalid_opc;
|
| 1673 |
#else
|
| 1674 |
if (!ctx->pal_mode)
|
| 1675 |
goto invalid_opc;
|
| 1676 |
gen_load_ir(ctx, ra, 0);
|
| 1677 |
gen_op_mtpr(insn & 0xFF);
|
| 1678 |
ret = 2;
|
| 1679 |
break;
|
| 1680 |
#endif
|
| 1681 |
case 0x1E: |
| 1682 |
/* HW_REI (PALcode) */
|
| 1683 |
#if defined (CONFIG_USER_ONLY)
|
| 1684 |
goto invalid_opc;
|
| 1685 |
#else
|
| 1686 |
if (!ctx->pal_mode)
|
| 1687 |
goto invalid_opc;
|
| 1688 |
if (rb == 31) { |
| 1689 |
/* "Old" alpha */
|
| 1690 |
gen_op_hw_rei(); |
| 1691 |
} else {
|
| 1692 |
gen_load_ir(ctx, rb, 0);
|
| 1693 |
gen_set_uT1(ctx, (((int64_t)insn << 51) >> 51)); |
| 1694 |
gen_op_addq(); |
| 1695 |
gen_op_hw_ret(); |
| 1696 |
} |
| 1697 |
ret = 2;
|
| 1698 |
break;
|
| 1699 |
#endif
|
| 1700 |
case 0x1F: |
| 1701 |
/* HW_ST (PALcode) */
|
| 1702 |
#if defined (CONFIG_USER_ONLY)
|
| 1703 |
goto invalid_opc;
|
| 1704 |
#else
|
| 1705 |
if (!ctx->pal_mode)
|
| 1706 |
goto invalid_opc;
|
| 1707 |
gen_load_ir(ctx, rb, 0);
|
| 1708 |
gen_set_sT1(ctx, disp12); |
| 1709 |
gen_op_addq(); |
| 1710 |
gen_load_ir(ctx, ra, 1);
|
| 1711 |
switch ((insn >> 12) & 0xF) { |
| 1712 |
case 0x0: |
| 1713 |
/* Longword physical access */
|
| 1714 |
gen_op_stl_raw(); |
| 1715 |
break;
|
| 1716 |
case 0x1: |
| 1717 |
/* Quadword physical access */
|
| 1718 |
gen_op_stq_raw(); |
| 1719 |
break;
|
| 1720 |
case 0x2: |
| 1721 |
/* Longword physical access with lock */
|
| 1722 |
gen_op_stl_c_raw(); |
| 1723 |
break;
|
| 1724 |
case 0x3: |
| 1725 |
/* Quadword physical access with lock */
|
| 1726 |
gen_op_stq_c_raw(); |
| 1727 |
break;
|
| 1728 |
case 0x4: |
| 1729 |
/* Longword virtual access */
|
| 1730 |
gen_op_st_phys_to_virt(); |
| 1731 |
gen_op_stl_raw(); |
| 1732 |
break;
|
| 1733 |
case 0x5: |
| 1734 |
/* Quadword virtual access */
|
| 1735 |
gen_op_st_phys_to_virt(); |
| 1736 |
gen_op_stq_raw(); |
| 1737 |
break;
|
| 1738 |
case 0x6: |
| 1739 |
/* Invalid */
|
| 1740 |
goto invalid_opc;
|
| 1741 |
case 0x7: |
| 1742 |
/* Invalid */
|
| 1743 |
goto invalid_opc;
|
| 1744 |
case 0x8: |
| 1745 |
/* Invalid */
|
| 1746 |
goto invalid_opc;
|
| 1747 |
case 0x9: |
| 1748 |
/* Invalid */
|
| 1749 |
goto invalid_opc;
|
| 1750 |
case 0xA: |
| 1751 |
/* Invalid */
|
| 1752 |
goto invalid_opc;
|
| 1753 |
case 0xB: |
| 1754 |
/* Invalid */
|
| 1755 |
goto invalid_opc;
|
| 1756 |
case 0xC: |
| 1757 |
/* Longword virtual access with alternate access mode */
|
| 1758 |
gen_op_set_alt_mode(); |
| 1759 |
gen_op_st_phys_to_virt(); |
| 1760 |
gen_op_ldl_raw(); |
| 1761 |
gen_op_restore_mode(); |
| 1762 |
break;
|
| 1763 |
case 0xD: |
| 1764 |
/* Quadword virtual access with alternate access mode */
|
| 1765 |
gen_op_set_alt_mode(); |
| 1766 |
gen_op_st_phys_to_virt(); |
| 1767 |
gen_op_ldq_raw(); |
| 1768 |
gen_op_restore_mode(); |
| 1769 |
break;
|
| 1770 |
case 0xE: |
| 1771 |
/* Invalid */
|
| 1772 |
goto invalid_opc;
|
| 1773 |
case 0xF: |
| 1774 |
/* Invalid */
|
| 1775 |
goto invalid_opc;
|
| 1776 |
} |
| 1777 |
ret = 2;
|
| 1778 |
break;
|
| 1779 |
#endif
|
| 1780 |
case 0x20: |
| 1781 |
/* LDF */
|
| 1782 |
#if 0 // TODO
|
| 1783 |
gen_load_fmem(ctx, &gen_ldf, ra, rb, disp16);
|
| 1784 |
#else
|
| 1785 |
goto invalid_opc;
|
| 1786 |
#endif
|
| 1787 |
break;
|
| 1788 |
case 0x21: |
| 1789 |
/* LDG */
|
| 1790 |
#if 0 // TODO
|
| 1791 |
gen_load_fmem(ctx, &gen_ldg, ra, rb, disp16);
|
| 1792 |
#else
|
| 1793 |
goto invalid_opc;
|
| 1794 |
#endif
|
| 1795 |
break;
|
| 1796 |
case 0x22: |
| 1797 |
/* LDS */
|
| 1798 |
gen_load_fmem(ctx, &gen_lds, ra, rb, disp16); |
| 1799 |
break;
|
| 1800 |
case 0x23: |
| 1801 |
/* LDT */
|
| 1802 |
gen_load_fmem(ctx, &gen_ldt, ra, rb, disp16); |
| 1803 |
break;
|
| 1804 |
case 0x24: |
| 1805 |
/* STF */
|
| 1806 |
#if 0 // TODO
|
| 1807 |
gen_store_fmem(ctx, &gen_stf, ra, rb, disp16);
|
| 1808 |
#else
|
| 1809 |
goto invalid_opc;
|
| 1810 |
#endif
|
| 1811 |
break;
|
| 1812 |
case 0x25: |
| 1813 |
/* STG */
|
| 1814 |
#if 0 // TODO
|
| 1815 |
gen_store_fmem(ctx, &gen_stg, ra, rb, disp16);
|
| 1816 |
#else
|
| 1817 |
goto invalid_opc;
|
| 1818 |
#endif
|
| 1819 |
break;
|
| 1820 |
case 0x26: |
| 1821 |
/* STS */
|
| 1822 |
gen_store_fmem(ctx, &gen_sts, ra, rb, disp16); |
| 1823 |
break;
|
| 1824 |
case 0x27: |
| 1825 |
/* STT */
|
| 1826 |
gen_store_fmem(ctx, &gen_stt, ra, rb, disp16); |
| 1827 |
break;
|
| 1828 |
case 0x28: |
| 1829 |
/* LDL */
|
| 1830 |
gen_load_mem(ctx, &gen_ldl, ra, rb, disp16, 0);
|
| 1831 |
break;
|
| 1832 |
case 0x29: |
| 1833 |
/* LDQ */
|
| 1834 |
gen_load_mem(ctx, &gen_ldq, ra, rb, disp16, 0);
|
| 1835 |
break;
|
| 1836 |
case 0x2A: |
| 1837 |
/* LDL_L */
|
| 1838 |
gen_load_mem(ctx, &gen_ldl_l, ra, rb, disp16, 0);
|
| 1839 |
break;
|
| 1840 |
case 0x2B: |
| 1841 |
/* LDQ_L */
|
| 1842 |
gen_load_mem(ctx, &gen_ldq_l, ra, rb, disp16, 0);
|
| 1843 |
break;
|
| 1844 |
case 0x2C: |
| 1845 |
/* STL */
|
| 1846 |
gen_store_mem(ctx, &gen_stl, ra, rb, disp16, 0);
|
| 1847 |
break;
|
| 1848 |
case 0x2D: |
| 1849 |
/* STQ */
|
| 1850 |
gen_store_mem(ctx, &gen_stq, ra, rb, disp16, 0);
|
| 1851 |
break;
|
| 1852 |
case 0x2E: |
| 1853 |
/* STL_C */
|
| 1854 |
gen_store_mem(ctx, &gen_stl_c, ra, rb, disp16, 0);
|
| 1855 |
break;
|
| 1856 |
case 0x2F: |
| 1857 |
/* STQ_C */
|
| 1858 |
gen_store_mem(ctx, &gen_stq_c, ra, rb, disp16, 0);
|
| 1859 |
break;
|
| 1860 |
case 0x30: |
| 1861 |
/* BR */
|
| 1862 |
gen_set_uT0(ctx, ctx->pc); |
| 1863 |
gen_store_ir(ctx, ra, 0);
|
| 1864 |
if (disp21 != 0) { |
| 1865 |
gen_set_sT1(ctx, disp21 << 2);
|
| 1866 |
gen_op_addq(); |
| 1867 |
} |
| 1868 |
gen_op_branch(); |
| 1869 |
ret = 1;
|
| 1870 |
break;
|
| 1871 |
case 0x31: |
| 1872 |
/* FBEQ */
|
| 1873 |
gen_fbcond(ctx, &gen_op_cmpfeq, ra, disp16); |
| 1874 |
ret = 1;
|
| 1875 |
break;
|
| 1876 |
case 0x32: |
| 1877 |
/* FBLT */
|
| 1878 |
gen_fbcond(ctx, &gen_op_cmpflt, ra, disp16); |
| 1879 |
ret = 1;
|
| 1880 |
break;
|
| 1881 |
case 0x33: |
| 1882 |
/* FBLE */
|
| 1883 |
gen_fbcond(ctx, &gen_op_cmpfle, ra, disp16); |
| 1884 |
ret = 1;
|
| 1885 |
break;
|
| 1886 |
case 0x34: |
| 1887 |
/* BSR */
|
| 1888 |
gen_set_uT0(ctx, ctx->pc); |
| 1889 |
gen_store_ir(ctx, ra, 0);
|
| 1890 |
if (disp21 != 0) { |
| 1891 |
gen_set_sT1(ctx, disp21 << 2);
|
| 1892 |
gen_op_addq(); |
| 1893 |
} |
| 1894 |
gen_op_branch(); |
| 1895 |
ret = 1;
|
| 1896 |
break;
|
| 1897 |
case 0x35: |
| 1898 |
/* FBNE */
|
| 1899 |
gen_fbcond(ctx, &gen_op_cmpfne, ra, disp16); |
| 1900 |
ret = 1;
|
| 1901 |
break;
|
| 1902 |
case 0x36: |
| 1903 |
/* FBGE */
|
| 1904 |
gen_fbcond(ctx, &gen_op_cmpfge, ra, disp16); |
| 1905 |
ret = 1;
|
| 1906 |
break;
|
| 1907 |
case 0x37: |
| 1908 |
/* FBGT */
|
| 1909 |
gen_fbcond(ctx, &gen_op_cmpfgt, ra, disp16); |
| 1910 |
ret = 1;
|
| 1911 |
break;
|
| 1912 |
case 0x38: |
| 1913 |
/* BLBC */
|
| 1914 |
gen_bcond(ctx, &gen_op_cmplbc, ra, disp16); |
| 1915 |
ret = 1;
|
| 1916 |
break;
|
| 1917 |
case 0x39: |
| 1918 |
/* BEQ */
|
| 1919 |
gen_bcond(ctx, &gen_op_cmpeqz, ra, disp16); |
| 1920 |
ret = 1;
|
| 1921 |
break;
|
| 1922 |
case 0x3A: |
| 1923 |
/* BLT */
|
| 1924 |
gen_bcond(ctx, &gen_op_cmpltz, ra, disp16); |
| 1925 |
ret = 1;
|
| 1926 |
break;
|
| 1927 |
case 0x3B: |
| 1928 |
/* BLE */
|
| 1929 |
gen_bcond(ctx, &gen_op_cmplez, ra, disp16); |
| 1930 |
ret = 1;
|
| 1931 |
break;
|
| 1932 |
case 0x3C: |
| 1933 |
/* BLBS */
|
| 1934 |
gen_bcond(ctx, &gen_op_cmplbs, ra, disp16); |
| 1935 |
ret = 1;
|
| 1936 |
break;
|
| 1937 |
case 0x3D: |
| 1938 |
/* BNE */
|
| 1939 |
gen_bcond(ctx, &gen_op_cmpnez, ra, disp16); |
| 1940 |
ret = 1;
|
| 1941 |
break;
|
| 1942 |
case 0x3E: |
| 1943 |
/* BGE */
|
| 1944 |
gen_bcond(ctx, &gen_op_cmpgez, ra, disp16); |
| 1945 |
ret = 1;
|
| 1946 |
break;
|
| 1947 |
case 0x3F: |
| 1948 |
/* BGT */
|
| 1949 |
gen_bcond(ctx, &gen_op_cmpgtz, ra, disp16); |
| 1950 |
ret = 1;
|
| 1951 |
break;
|
| 1952 |
invalid_opc:
|
| 1953 |
gen_invalid(ctx); |
| 1954 |
ret = 3;
|
| 1955 |
break;
|
| 1956 |
} |
| 1957 |
|
| 1958 |
return ret;
|
| 1959 |
} |
| 1960 |
|
| 1961 |
int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
|
| 1962 |
int search_pc)
|
| 1963 |
{
|
| 1964 |
#if defined ALPHA_DEBUG_DISAS
|
| 1965 |
static int insn_count; |
| 1966 |
#endif
|
| 1967 |
DisasContext ctx, *ctxp = &ctx; |
| 1968 |
target_ulong pc_start; |
| 1969 |
uint32_t insn; |
| 1970 |
uint16_t *gen_opc_end; |
| 1971 |
int j, lj = -1; |
| 1972 |
int ret;
|
| 1973 |
|
| 1974 |
pc_start = tb->pc; |
| 1975 |
gen_opc_ptr = gen_opc_buf; |
| 1976 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
| 1977 |
gen_opparam_ptr = gen_opparam_buf; |
| 1978 |
nb_gen_labels = 0;
|
| 1979 |
ctx.pc = pc_start; |
| 1980 |
ctx.amask = env->amask; |
| 1981 |
#if defined (CONFIG_USER_ONLY)
|
| 1982 |
ctx.mem_idx = 0;
|
| 1983 |
#else
|
| 1984 |
ctx.mem_idx = ((env->ps >> 3) & 3); |
| 1985 |
ctx.pal_mode = env->ipr[IPR_EXC_ADDR] & 1;
|
| 1986 |
#endif
|
| 1987 |
for (ret = 0; ret == 0;) { |
| 1988 |
if (env->nb_breakpoints > 0) { |
| 1989 |
for(j = 0; j < env->nb_breakpoints; j++) { |
| 1990 |
if (env->breakpoints[j] == ctx.pc) {
|
| 1991 |
gen_excp(&ctx, EXCP_DEBUG, 0);
|
| 1992 |
break;
|
| 1993 |
} |
| 1994 |
} |
| 1995 |
} |
| 1996 |
if (search_pc) {
|
| 1997 |
j = gen_opc_ptr - gen_opc_buf; |
| 1998 |
if (lj < j) {
|
| 1999 |
lj++; |
| 2000 |
while (lj < j)
|
| 2001 |
gen_opc_instr_start[lj++] = 0;
|
| 2002 |
gen_opc_pc[lj] = ctx.pc; |
| 2003 |
gen_opc_instr_start[lj] = 1;
|
| 2004 |
} |
| 2005 |
} |
| 2006 |
#if defined ALPHA_DEBUG_DISAS
|
| 2007 |
insn_count++; |
| 2008 |
if (logfile != NULL) { |
| 2009 |
fprintf(logfile, "pc " TARGET_FMT_lx " mem_idx %d\n", |
| 2010 |
ctx.pc, ctx.mem_idx); |
| 2011 |
} |
| 2012 |
#endif
|
| 2013 |
insn = ldl_code(ctx.pc); |
| 2014 |
#if defined ALPHA_DEBUG_DISAS
|
| 2015 |
insn_count++; |
| 2016 |
if (logfile != NULL) { |
| 2017 |
fprintf(logfile, "opcode %08x %d\n", insn, insn_count);
|
| 2018 |
} |
| 2019 |
#endif
|
| 2020 |
ctx.pc += 4;
|
| 2021 |
ret = translate_one(ctxp, insn); |
| 2022 |
if (ret != 0) |
| 2023 |
break;
|
| 2024 |
/* if we reach a page boundary or are single stepping, stop
|
| 2025 |
* generation
|
| 2026 |
*/
|
| 2027 |
if (((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) || |
| 2028 |
(env->singlestep_enabled)) {
|
| 2029 |
break;
|
| 2030 |
} |
| 2031 |
#if defined (DO_SINGLE_STEP)
|
| 2032 |
break;
|
| 2033 |
#endif
|
| 2034 |
} |
| 2035 |
if (ret != 1 && ret != 3) { |
| 2036 |
gen_update_pc(&ctx); |
| 2037 |
} |
| 2038 |
gen_op_reset_T0(); |
| 2039 |
#if defined (DO_TB_FLUSH)
|
| 2040 |
gen_op_tb_flush(); |
| 2041 |
#endif
|
| 2042 |
/* Generate the return instruction */
|
| 2043 |
gen_op_exit_tb(); |
| 2044 |
*gen_opc_ptr = INDEX_op_end; |
| 2045 |
if (search_pc) {
|
| 2046 |
j = gen_opc_ptr - gen_opc_buf; |
| 2047 |
lj++; |
| 2048 |
while (lj <= j)
|
| 2049 |
gen_opc_instr_start[lj++] = 0;
|
| 2050 |
} else {
|
| 2051 |
tb->size = ctx.pc - pc_start; |
| 2052 |
} |
| 2053 |
#if defined ALPHA_DEBUG_DISAS
|
| 2054 |
if (loglevel & CPU_LOG_TB_CPU) {
|
| 2055 |
cpu_dump_state(env, logfile, fprintf, 0);
|
| 2056 |
} |
| 2057 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 2058 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
| 2059 |
target_disas(logfile, pc_start, ctx.pc - pc_start, 1);
|
| 2060 |
fprintf(logfile, "\n");
|
| 2061 |
} |
| 2062 |
if (loglevel & CPU_LOG_TB_OP) {
|
| 2063 |
fprintf(logfile, "OP:\n");
|
| 2064 |
dump_ops(gen_opc_buf, gen_opparam_buf); |
| 2065 |
fprintf(logfile, "\n");
|
| 2066 |
} |
| 2067 |
#endif
|
| 2068 |
|
| 2069 |
return 0; |
| 2070 |
} |
| 2071 |
|
| 2072 |
int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
| 2073 |
{
|
| 2074 |
return gen_intermediate_code_internal(env, tb, 0); |
| 2075 |
} |
| 2076 |
|
| 2077 |
int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
| 2078 |
{
|
| 2079 |
return gen_intermediate_code_internal(env, tb, 1); |
| 2080 |
} |
| 2081 |
|
| 2082 |
CPUAlphaState * cpu_alpha_init (void)
|
| 2083 |
{
|
| 2084 |
CPUAlphaState *env; |
| 2085 |
uint64_t hwpcb; |
| 2086 |
|
| 2087 |
env = qemu_mallocz(sizeof(CPUAlphaState));
|
| 2088 |
if (!env)
|
| 2089 |
return NULL; |
| 2090 |
cpu_exec_init(env); |
| 2091 |
tlb_flush(env, 1);
|
| 2092 |
/* XXX: should not be hardcoded */
|
| 2093 |
env->implver = IMPLVER_2106x; |
| 2094 |
env->ps = 0x1F00;
|
| 2095 |
#if defined (CONFIG_USER_ONLY)
|
| 2096 |
env->ps |= 1 << 3; |
| 2097 |
#endif
|
| 2098 |
pal_init(env); |
| 2099 |
/* Initialize IPR */
|
| 2100 |
hwpcb = env->ipr[IPR_PCBB]; |
| 2101 |
env->ipr[IPR_ASN] = 0;
|
| 2102 |
env->ipr[IPR_ASTEN] = 0;
|
| 2103 |
env->ipr[IPR_ASTSR] = 0;
|
| 2104 |
env->ipr[IPR_DATFX] = 0;
|
| 2105 |
/* XXX: fix this */
|
| 2106 |
// env->ipr[IPR_ESP] = ldq_raw(hwpcb + 8);
|
| 2107 |
// env->ipr[IPR_KSP] = ldq_raw(hwpcb + 0);
|
| 2108 |
// env->ipr[IPR_SSP] = ldq_raw(hwpcb + 16);
|
| 2109 |
// env->ipr[IPR_USP] = ldq_raw(hwpcb + 24);
|
| 2110 |
env->ipr[IPR_FEN] = 0;
|
| 2111 |
env->ipr[IPR_IPL] = 31;
|
| 2112 |
env->ipr[IPR_MCES] = 0;
|
| 2113 |
env->ipr[IPR_PERFMON] = 0; /* Implementation specific */ |
| 2114 |
// env->ipr[IPR_PTBR] = ldq_raw(hwpcb + 32);
|
| 2115 |
env->ipr[IPR_SISR] = 0;
|
| 2116 |
env->ipr[IPR_VIRBND] = -1ULL;
|
| 2117 |
|
| 2118 |
return env;
|
| 2119 |
} |