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/*
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* PowerPC emulation for qemu: main translation routines.
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*
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* Copyright (c) 2003-2007 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 <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 DO_SINGLE_STEP
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//#define PPC_DEBUG_DISAS
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//#define DO_PPC_STATISTICS
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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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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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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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#define GEN8(func, NAME) \
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static GenOpFunc *NAME ## _table [8] = { \ |
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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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}; \ |
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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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#define GEN16(func, NAME) \
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static GenOpFunc *NAME ## _table [16] = { \ |
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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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}; \ |
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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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#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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/* Condition register moves */
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GEN8(gen_op_load_crf_T0, gen_op_load_crf_T0_crf); |
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GEN8(gen_op_load_crf_T1, gen_op_load_crf_T1_crf); |
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GEN8(gen_op_store_T0_crf, gen_op_store_T0_crf_crf); |
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GEN8(gen_op_store_T1_crf, gen_op_store_T1_crf_crf); |
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/* Floating point condition and status register moves */
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GEN8(gen_op_load_fpscr_T0, gen_op_load_fpscr_T0_fpscr); |
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GEN8(gen_op_store_T0_fpscr, gen_op_store_T0_fpscr_fpscr); |
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GEN8(gen_op_clear_fpscr, gen_op_clear_fpscr_fpscr); |
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static inline void gen_op_store_T0_fpscri(int n, uint8_t param) |
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{
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gen_op_set_T0(param); |
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gen_op_store_T0_fpscr(n); |
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} |
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/* General purpose registers moves */
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GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr); |
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GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr); |
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GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr); |
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GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr); |
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GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr); |
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#if 0 // unused
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GEN32(gen_op_store_T2_gpr, gen_op_store_T2_gpr_gpr);
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#endif
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/* floating point registers moves */
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GEN32(gen_op_load_fpr_FT0, gen_op_load_fpr_FT0_fpr); |
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GEN32(gen_op_load_fpr_FT1, gen_op_load_fpr_FT1_fpr); |
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GEN32(gen_op_load_fpr_FT2, gen_op_load_fpr_FT2_fpr); |
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GEN32(gen_op_store_FT0_fpr, gen_op_store_FT0_fpr_fpr); |
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GEN32(gen_op_store_FT1_fpr, gen_op_store_FT1_fpr_fpr); |
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#if 0 // unused
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GEN32(gen_op_store_FT2_fpr, gen_op_store_FT2_fpr_fpr);
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#endif
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/* internal defines */
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typedef struct DisasContext { |
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struct TranslationBlock *tb;
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target_ulong nip; |
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uint32_t opcode; |
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uint32_t exception; |
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/* Routine used to access memory */
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int mem_idx;
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/* Translation flags */
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#if !defined(CONFIG_USER_ONLY)
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int supervisor;
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#endif
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int fpu_enabled;
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ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
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int singlestep_enabled;
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} DisasContext; |
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struct opc_handler_t {
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/* invalid bits */
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uint32_t inval; |
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/* instruction type */
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uint32_t type; |
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/* handler */
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void (*handler)(DisasContext *ctx);
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#if defined(DO_PPC_STATISTICS)
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const unsigned char *oname; |
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uint64_t count; |
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#endif
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}; |
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static inline void gen_set_Rc0 (DisasContext *ctx) |
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{
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gen_op_cmpi(0);
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gen_op_set_Rc0(); |
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} |
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#define RET_EXCP(ctx, excp, error) \
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do { \
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if ((ctx)->exception == EXCP_NONE) { \
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gen_op_update_nip((ctx)->nip); \ |
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} \ |
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gen_op_raise_exception_err((excp), (error)); \ |
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ctx->exception = (excp); \ |
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} while (0) |
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#define RET_INVAL(ctx) \
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RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_INVAL) |
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#define RET_PRIVOPC(ctx) \
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RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_OPC) |
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#define RET_PRIVREG(ctx) \
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RET_EXCP((ctx), EXCP_PROGRAM, EXCP_INVAL | EXCP_PRIV_REG) |
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/* Stop translation */
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static inline void RET_STOP (DisasContext *ctx) |
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{
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gen_op_update_nip((ctx)->nip); |
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ctx->exception = EXCP_MTMSR; |
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} |
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/* No need to update nip here, as execution flow will change */
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static inline void RET_CHG_FLOW (DisasContext *ctx) |
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{
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ctx->exception = EXCP_MTMSR; |
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} |
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#define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
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static void gen_##name (DisasContext *ctx); \ |
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GEN_OPCODE(name, opc1, opc2, opc3, inval, type); \ |
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static void gen_##name (DisasContext *ctx) |
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typedef struct opcode_t { |
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unsigned char opc1, opc2, opc3; |
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#if HOST_LONG_BITS == 64 /* Explicitely align to 64 bits */ |
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unsigned char pad[5]; |
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#else
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unsigned char pad[1]; |
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#endif
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opc_handler_t handler; |
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const unsigned char *oname; |
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} opcode_t; |
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/*** Instruction decoding ***/
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#define EXTRACT_HELPER(name, shift, nb) \
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static inline target_ulong name (uint32_t opcode) \ |
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{ \
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return (opcode >> (shift)) & ((1 << (nb)) - 1); \ |
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} |
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#define EXTRACT_SHELPER(name, shift, nb) \
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static inline target_long name (uint32_t opcode) \ |
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{ \
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return (int16_t)((opcode >> (shift)) & ((1 << (nb)) - 1)); \ |
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} |
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/* Opcode part 1 */
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EXTRACT_HELPER(opc1, 26, 6); |
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/* Opcode part 2 */
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EXTRACT_HELPER(opc2, 1, 5); |
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/* Opcode part 3 */
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EXTRACT_HELPER(opc3, 6, 5); |
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/* Update Cr0 flags */
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EXTRACT_HELPER(Rc, 0, 1); |
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/* Destination */
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EXTRACT_HELPER(rD, 21, 5); |
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/* Source */
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EXTRACT_HELPER(rS, 21, 5); |
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/* First operand */
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EXTRACT_HELPER(rA, 16, 5); |
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/* Second operand */
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EXTRACT_HELPER(rB, 11, 5); |
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/* Third operand */
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EXTRACT_HELPER(rC, 6, 5); |
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/*** Get CRn ***/
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EXTRACT_HELPER(crfD, 23, 3); |
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EXTRACT_HELPER(crfS, 18, 3); |
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EXTRACT_HELPER(crbD, 21, 5); |
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EXTRACT_HELPER(crbA, 16, 5); |
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EXTRACT_HELPER(crbB, 11, 5); |
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/* SPR / TBL */
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EXTRACT_HELPER(_SPR, 11, 10); |
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static inline uint32_t SPR (uint32_t opcode) |
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{
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uint32_t sprn = _SPR(opcode); |
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return ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); |
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} |
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/*** Get constants ***/
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EXTRACT_HELPER(IMM, 12, 8); |
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/* 16 bits signed immediate value */
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EXTRACT_SHELPER(SIMM, 0, 16); |
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/* 16 bits unsigned immediate value */
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EXTRACT_HELPER(UIMM, 0, 16); |
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/* Bit count */
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EXTRACT_HELPER(NB, 11, 5); |
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/* Shift count */
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EXTRACT_HELPER(SH, 11, 5); |
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/* Mask start */
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EXTRACT_HELPER(MB, 6, 5); |
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/* Mask end */
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EXTRACT_HELPER(ME, 1, 5); |
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/* Trap operand */
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EXTRACT_HELPER(TO, 21, 5); |
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EXTRACT_HELPER(CRM, 12, 8); |
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EXTRACT_HELPER(FM, 17, 8); |
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EXTRACT_HELPER(SR, 16, 4); |
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EXTRACT_HELPER(FPIMM, 20, 4); |
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/*** Jump target decoding ***/
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/* Displacement */
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EXTRACT_SHELPER(d, 0, 16); |
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/* Immediate address */
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static inline target_ulong LI (uint32_t opcode) |
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{
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return (opcode >> 0) & 0x03FFFFFC; |
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} |
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static inline uint32_t BD (uint32_t opcode) |
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{
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return (opcode >> 0) & 0xFFFC; |
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} |
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EXTRACT_HELPER(BO, 21, 5); |
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EXTRACT_HELPER(BI, 16, 5); |
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/* Absolute/relative address */
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EXTRACT_HELPER(AA, 1, 1); |
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/* Link */
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EXTRACT_HELPER(LK, 0, 1); |
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|
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/* Create a mask between <start> and <end> bits */
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static inline target_ulong MASK (uint32_t start, uint32_t end) |
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{
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target_ulong ret; |
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|
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#if defined(TARGET_PPC64)
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if (likely(start == 0)) { |
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ret = (uint64_t)(-1ULL) << (63 - end); |
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} else if (likely(end == 63)) { |
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ret = (uint64_t)(-1ULL) >> start;
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} |
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#else
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if (likely(start == 0)) { |
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ret = (uint32_t)(-1ULL) << (31 - end); |
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} else if (likely(end == 31)) { |
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ret = (uint32_t)(-1ULL) >> start;
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} |
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#endif
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else {
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ret = (((target_ulong)(-1ULL)) >> (start)) ^
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(((target_ulong)(-1ULL) >> (end)) >> 1); |
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if (unlikely(start > end))
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return ~ret;
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} |
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return ret;
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} |
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|
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#if HOST_LONG_BITS == 64 |
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#define OPC_ALIGN 8 |
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#else
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#define OPC_ALIGN 4 |
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#endif
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#if defined(__APPLE__)
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#define OPCODES_SECTION \
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__attribute__ ((section("__TEXT,__opcodes"), unused, aligned (OPC_ALIGN) ))
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#else
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#define OPCODES_SECTION \
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__attribute__ ((section(".opcodes"), unused, aligned (OPC_ALIGN) ))
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#endif
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|
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#if defined(DO_PPC_STATISTICS)
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#define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \
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OPCODES_SECTION opcode_t opc_##name = { \ |
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.opc1 = op1, \ |
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.opc2 = op2, \ |
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.opc3 = op3, \ |
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.pad = { 0, }, \
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.handler = { \
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.inval = invl, \ |
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.type = _typ, \ |
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.handler = &gen_##name, \ |
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.oname = stringify(name), \ |
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}, \ |
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.oname = stringify(name), \ |
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} |
| 354 |
#else
|
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#define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \
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OPCODES_SECTION opcode_t opc_##name = { \ |
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.opc1 = op1, \ |
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.opc2 = op2, \ |
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.opc3 = op3, \ |
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.pad = { 0, }, \
|
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.handler = { \
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.inval = invl, \ |
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.type = _typ, \ |
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.handler = &gen_##name, \ |
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}, \ |
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.oname = stringify(name), \ |
| 367 |
} |
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#endif
|
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|
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#define GEN_OPCODE_MARK(name) \
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OPCODES_SECTION opcode_t opc_##name = { \ |
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.opc1 = 0xFF, \
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.opc2 = 0xFF, \
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.opc3 = 0xFF, \
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.pad = { 0, }, \
|
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.handler = { \
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.inval = 0x00000000, \
|
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.type = 0x00, \
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.handler = NULL, \
|
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}, \ |
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.oname = stringify(name), \ |
| 382 |
} |
| 383 |
|
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/* Start opcode list */
|
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GEN_OPCODE_MARK(start); |
| 386 |
|
| 387 |
/* Invalid instruction */
|
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GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE) |
| 389 |
{
|
| 390 |
RET_INVAL(ctx); |
| 391 |
} |
| 392 |
|
| 393 |
static opc_handler_t invalid_handler = {
|
| 394 |
.inval = 0xFFFFFFFF,
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.type = PPC_NONE, |
| 396 |
.handler = gen_invalid, |
| 397 |
}; |
| 398 |
|
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/*** Integer arithmetic ***/
|
| 400 |
#define __GEN_INT_ARITH2(name, opc1, opc2, opc3, inval) \
|
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GEN_HANDLER(name, opc1, opc2, opc3, inval, PPC_INTEGER) \ |
| 402 |
{ \
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| 403 |
gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
| 404 |
gen_op_load_gpr_T1(rB(ctx->opcode)); \ |
| 405 |
gen_op_##name(); \ |
| 406 |
gen_op_store_T0_gpr(rD(ctx->opcode)); \ |
| 407 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 408 |
gen_set_Rc0(ctx); \ |
| 409 |
} |
| 410 |
|
| 411 |
#define __GEN_INT_ARITH2_O(name, opc1, opc2, opc3, inval) \
|
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GEN_HANDLER(name, opc1, opc2, opc3, inval, PPC_INTEGER) \ |
| 413 |
{ \
|
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gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
| 415 |
gen_op_load_gpr_T1(rB(ctx->opcode)); \ |
| 416 |
gen_op_##name(); \ |
| 417 |
gen_op_store_T0_gpr(rD(ctx->opcode)); \ |
| 418 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 419 |
gen_set_Rc0(ctx); \ |
| 420 |
} |
| 421 |
|
| 422 |
#define __GEN_INT_ARITH1(name, opc1, opc2, opc3) \
|
| 423 |
GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, PPC_INTEGER) \
|
| 424 |
{ \
|
| 425 |
gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
| 426 |
gen_op_##name(); \ |
| 427 |
gen_op_store_T0_gpr(rD(ctx->opcode)); \ |
| 428 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 429 |
gen_set_Rc0(ctx); \ |
| 430 |
} |
| 431 |
#define __GEN_INT_ARITH1_O(name, opc1, opc2, opc3) \
|
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GEN_HANDLER(name, opc1, opc2, opc3, 0x0000F800, PPC_INTEGER) \
|
| 433 |
{ \
|
| 434 |
gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
| 435 |
gen_op_##name(); \ |
| 436 |
gen_op_store_T0_gpr(rD(ctx->opcode)); \ |
| 437 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 438 |
gen_set_Rc0(ctx); \ |
| 439 |
} |
| 440 |
|
| 441 |
/* Two operands arithmetic functions */
|
| 442 |
#define GEN_INT_ARITH2(name, opc1, opc2, opc3) \
|
| 443 |
__GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000000) \
|
| 444 |
__GEN_INT_ARITH2_O(name##o, opc1, opc2, opc3 | 0x10, 0x00000000) |
| 445 |
|
| 446 |
/* Two operands arithmetic functions with no overflow allowed */
|
| 447 |
#define GEN_INT_ARITHN(name, opc1, opc2, opc3) \
|
| 448 |
__GEN_INT_ARITH2(name, opc1, opc2, opc3, 0x00000400)
|
| 449 |
|
| 450 |
/* One operand arithmetic functions */
|
| 451 |
#define GEN_INT_ARITH1(name, opc1, opc2, opc3) \
|
| 452 |
__GEN_INT_ARITH1(name, opc1, opc2, opc3) \ |
| 453 |
__GEN_INT_ARITH1_O(name##o, opc1, opc2, opc3 | 0x10) |
| 454 |
|
| 455 |
/* add add. addo addo. */
|
| 456 |
GEN_INT_ARITH2 (add, 0x1F, 0x0A, 0x08); |
| 457 |
/* addc addc. addco addco. */
|
| 458 |
GEN_INT_ARITH2 (addc, 0x1F, 0x0A, 0x00); |
| 459 |
/* adde adde. addeo addeo. */
|
| 460 |
GEN_INT_ARITH2 (adde, 0x1F, 0x0A, 0x04); |
| 461 |
/* addme addme. addmeo addmeo. */
|
| 462 |
GEN_INT_ARITH1 (addme, 0x1F, 0x0A, 0x07); |
| 463 |
/* addze addze. addzeo addzeo. */
|
| 464 |
GEN_INT_ARITH1 (addze, 0x1F, 0x0A, 0x06); |
| 465 |
/* divw divw. divwo divwo. */
|
| 466 |
GEN_INT_ARITH2 (divw, 0x1F, 0x0B, 0x0F); |
| 467 |
/* divwu divwu. divwuo divwuo. */
|
| 468 |
GEN_INT_ARITH2 (divwu, 0x1F, 0x0B, 0x0E); |
| 469 |
/* mulhw mulhw. */
|
| 470 |
GEN_INT_ARITHN (mulhw, 0x1F, 0x0B, 0x02); |
| 471 |
/* mulhwu mulhwu. */
|
| 472 |
GEN_INT_ARITHN (mulhwu, 0x1F, 0x0B, 0x00); |
| 473 |
/* mullw mullw. mullwo mullwo. */
|
| 474 |
GEN_INT_ARITH2 (mullw, 0x1F, 0x0B, 0x07); |
| 475 |
/* neg neg. nego nego. */
|
| 476 |
GEN_INT_ARITH1 (neg, 0x1F, 0x08, 0x03); |
| 477 |
/* subf subf. subfo subfo. */
|
| 478 |
GEN_INT_ARITH2 (subf, 0x1F, 0x08, 0x01); |
| 479 |
/* subfc subfc. subfco subfco. */
|
| 480 |
GEN_INT_ARITH2 (subfc, 0x1F, 0x08, 0x00); |
| 481 |
/* subfe subfe. subfeo subfeo. */
|
| 482 |
GEN_INT_ARITH2 (subfe, 0x1F, 0x08, 0x04); |
| 483 |
/* subfme subfme. subfmeo subfmeo. */
|
| 484 |
GEN_INT_ARITH1 (subfme, 0x1F, 0x08, 0x07); |
| 485 |
/* subfze subfze. subfzeo subfzeo. */
|
| 486 |
GEN_INT_ARITH1 (subfze, 0x1F, 0x08, 0x06); |
| 487 |
/* addi */
|
| 488 |
GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 489 |
{
|
| 490 |
target_long simm = SIMM(ctx->opcode); |
| 491 |
|
| 492 |
if (rA(ctx->opcode) == 0) { |
| 493 |
/* li case */
|
| 494 |
gen_op_set_T0(simm); |
| 495 |
} else {
|
| 496 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 497 |
if (likely(simm != 0)) |
| 498 |
gen_op_addi(simm); |
| 499 |
} |
| 500 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 501 |
} |
| 502 |
/* addic */
|
| 503 |
GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 504 |
{
|
| 505 |
target_long simm = SIMM(ctx->opcode); |
| 506 |
|
| 507 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 508 |
if (likely(simm != 0)) |
| 509 |
gen_op_addic(SIMM(ctx->opcode)); |
| 510 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 511 |
} |
| 512 |
/* addic. */
|
| 513 |
GEN_HANDLER(addic_, 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 514 |
{
|
| 515 |
target_long simm = SIMM(ctx->opcode); |
| 516 |
|
| 517 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 518 |
if (likely(simm != 0)) |
| 519 |
gen_op_addic(SIMM(ctx->opcode)); |
| 520 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 521 |
gen_set_Rc0(ctx); |
| 522 |
} |
| 523 |
/* addis */
|
| 524 |
GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 525 |
{
|
| 526 |
target_long simm = SIMM(ctx->opcode); |
| 527 |
|
| 528 |
if (rA(ctx->opcode) == 0) { |
| 529 |
/* lis case */
|
| 530 |
gen_op_set_T0(simm << 16);
|
| 531 |
} else {
|
| 532 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 533 |
if (likely(simm != 0)) |
| 534 |
gen_op_addi(simm << 16);
|
| 535 |
} |
| 536 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 537 |
} |
| 538 |
/* mulli */
|
| 539 |
GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 540 |
{
|
| 541 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 542 |
gen_op_mulli(SIMM(ctx->opcode)); |
| 543 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 544 |
} |
| 545 |
/* subfic */
|
| 546 |
GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 547 |
{
|
| 548 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 549 |
gen_op_subfic(SIMM(ctx->opcode)); |
| 550 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 551 |
} |
| 552 |
|
| 553 |
/*** Integer comparison ***/
|
| 554 |
#define GEN_CMP(name, opc) \
|
| 555 |
GEN_HANDLER(name, 0x1F, 0x00, opc, 0x00400000, PPC_INTEGER) \ |
| 556 |
{ \
|
| 557 |
gen_op_load_gpr_T0(rA(ctx->opcode)); \ |
| 558 |
gen_op_load_gpr_T1(rB(ctx->opcode)); \ |
| 559 |
gen_op_##name(); \ |
| 560 |
gen_op_store_T0_crf(crfD(ctx->opcode)); \ |
| 561 |
} |
| 562 |
|
| 563 |
/* cmp */
|
| 564 |
GEN_CMP(cmp, 0x00);
|
| 565 |
/* cmpi */
|
| 566 |
GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) |
| 567 |
{
|
| 568 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 569 |
gen_op_cmpi(SIMM(ctx->opcode)); |
| 570 |
gen_op_store_T0_crf(crfD(ctx->opcode)); |
| 571 |
} |
| 572 |
/* cmpl */
|
| 573 |
GEN_CMP(cmpl, 0x01);
|
| 574 |
/* cmpli */
|
| 575 |
GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) |
| 576 |
{
|
| 577 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 578 |
gen_op_cmpli(UIMM(ctx->opcode)); |
| 579 |
gen_op_store_T0_crf(crfD(ctx->opcode)); |
| 580 |
} |
| 581 |
|
| 582 |
/*** Integer logical ***/
|
| 583 |
#define __GEN_LOGICAL2(name, opc2, opc3) \
|
| 584 |
GEN_HANDLER(name, 0x1F, opc2, opc3, 0x00000000, PPC_INTEGER) \ |
| 585 |
{ \
|
| 586 |
gen_op_load_gpr_T0(rS(ctx->opcode)); \ |
| 587 |
gen_op_load_gpr_T1(rB(ctx->opcode)); \ |
| 588 |
gen_op_##name(); \ |
| 589 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 590 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 591 |
gen_set_Rc0(ctx); \ |
| 592 |
} |
| 593 |
#define GEN_LOGICAL2(name, opc) \
|
| 594 |
__GEN_LOGICAL2(name, 0x1C, opc)
|
| 595 |
|
| 596 |
#define GEN_LOGICAL1(name, opc) \
|
| 597 |
GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, PPC_INTEGER) \ |
| 598 |
{ \
|
| 599 |
gen_op_load_gpr_T0(rS(ctx->opcode)); \ |
| 600 |
gen_op_##name(); \ |
| 601 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 602 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 603 |
gen_set_Rc0(ctx); \ |
| 604 |
} |
| 605 |
|
| 606 |
/* and & and. */
|
| 607 |
GEN_LOGICAL2(and, 0x00);
|
| 608 |
/* andc & andc. */
|
| 609 |
GEN_LOGICAL2(andc, 0x01);
|
| 610 |
/* andi. */
|
| 611 |
GEN_HANDLER(andi_, 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 612 |
{
|
| 613 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 614 |
gen_op_andi_T0(UIMM(ctx->opcode)); |
| 615 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 616 |
gen_set_Rc0(ctx); |
| 617 |
} |
| 618 |
/* andis. */
|
| 619 |
GEN_HANDLER(andis_, 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 620 |
{
|
| 621 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 622 |
gen_op_andi_T0(UIMM(ctx->opcode) << 16);
|
| 623 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 624 |
gen_set_Rc0(ctx); |
| 625 |
} |
| 626 |
|
| 627 |
/* cntlzw */
|
| 628 |
GEN_LOGICAL1(cntlzw, 0x00);
|
| 629 |
/* eqv & eqv. */
|
| 630 |
GEN_LOGICAL2(eqv, 0x08);
|
| 631 |
/* extsb & extsb. */
|
| 632 |
GEN_LOGICAL1(extsb, 0x1D);
|
| 633 |
/* extsh & extsh. */
|
| 634 |
GEN_LOGICAL1(extsh, 0x1C);
|
| 635 |
/* nand & nand. */
|
| 636 |
GEN_LOGICAL2(nand, 0x0E);
|
| 637 |
/* nor & nor. */
|
| 638 |
GEN_LOGICAL2(nor, 0x03);
|
| 639 |
|
| 640 |
/* or & or. */
|
| 641 |
GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER) |
| 642 |
{
|
| 643 |
int rs, ra, rb;
|
| 644 |
|
| 645 |
rs = rS(ctx->opcode); |
| 646 |
ra = rA(ctx->opcode); |
| 647 |
rb = rB(ctx->opcode); |
| 648 |
/* Optimisation for mr. ri case */
|
| 649 |
if (rs != ra || rs != rb) {
|
| 650 |
gen_op_load_gpr_T0(rs); |
| 651 |
if (rs != rb) {
|
| 652 |
gen_op_load_gpr_T1(rb); |
| 653 |
gen_op_or(); |
| 654 |
} |
| 655 |
gen_op_store_T0_gpr(ra); |
| 656 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 657 |
gen_set_Rc0(ctx); |
| 658 |
} else if (unlikely(Rc(ctx->opcode) != 0)) { |
| 659 |
gen_op_load_gpr_T0(rs); |
| 660 |
gen_set_Rc0(ctx); |
| 661 |
} |
| 662 |
} |
| 663 |
|
| 664 |
/* orc & orc. */
|
| 665 |
GEN_LOGICAL2(orc, 0x0C);
|
| 666 |
/* xor & xor. */
|
| 667 |
GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER) |
| 668 |
{
|
| 669 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 670 |
/* Optimisation for "set to zero" case */
|
| 671 |
if (rS(ctx->opcode) != rB(ctx->opcode)) {
|
| 672 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 673 |
gen_op_xor(); |
| 674 |
} else {
|
| 675 |
gen_op_reset_T0(); |
| 676 |
} |
| 677 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 678 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 679 |
gen_set_Rc0(ctx); |
| 680 |
} |
| 681 |
/* ori */
|
| 682 |
GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 683 |
{
|
| 684 |
target_ulong uimm = UIMM(ctx->opcode); |
| 685 |
|
| 686 |
if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { |
| 687 |
/* NOP */
|
| 688 |
/* XXX: should handle special NOPs for POWER series */
|
| 689 |
return;
|
| 690 |
} |
| 691 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 692 |
if (likely(uimm != 0)) |
| 693 |
gen_op_ori(uimm); |
| 694 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 695 |
} |
| 696 |
/* oris */
|
| 697 |
GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 698 |
{
|
| 699 |
target_ulong uimm = UIMM(ctx->opcode); |
| 700 |
|
| 701 |
if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { |
| 702 |
/* NOP */
|
| 703 |
return;
|
| 704 |
} |
| 705 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 706 |
if (likely(uimm != 0)) |
| 707 |
gen_op_ori(uimm << 16);
|
| 708 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 709 |
} |
| 710 |
/* xori */
|
| 711 |
GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 712 |
{
|
| 713 |
target_ulong uimm = UIMM(ctx->opcode); |
| 714 |
|
| 715 |
if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { |
| 716 |
/* NOP */
|
| 717 |
return;
|
| 718 |
} |
| 719 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 720 |
if (likely(uimm != 0)) |
| 721 |
gen_op_xori(uimm); |
| 722 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 723 |
} |
| 724 |
|
| 725 |
/* xoris */
|
| 726 |
GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 727 |
{
|
| 728 |
target_ulong uimm = UIMM(ctx->opcode); |
| 729 |
|
| 730 |
if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { |
| 731 |
/* NOP */
|
| 732 |
return;
|
| 733 |
} |
| 734 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 735 |
if (likely(uimm != 0)) |
| 736 |
gen_op_xori(uimm << 16);
|
| 737 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 738 |
} |
| 739 |
|
| 740 |
/*** Integer rotate ***/
|
| 741 |
/* rlwimi & rlwimi. */
|
| 742 |
GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 743 |
{
|
| 744 |
target_ulong mask; |
| 745 |
uint32_t mb, me, sh; |
| 746 |
int n;
|
| 747 |
|
| 748 |
mb = MB(ctx->opcode); |
| 749 |
me = ME(ctx->opcode); |
| 750 |
sh = SH(ctx->opcode); |
| 751 |
n = me + 1 - mb;
|
| 752 |
if (likely(sh == 0)) { |
| 753 |
if (likely(mb == 0 && me == 31)) { |
| 754 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 755 |
goto do_store;
|
| 756 |
} else if (likely(mb == 31 && me == 0)) { |
| 757 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 758 |
goto do_store;
|
| 759 |
} |
| 760 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 761 |
gen_op_load_gpr_T1(rA(ctx->opcode)); |
| 762 |
goto do_mask;
|
| 763 |
} |
| 764 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 765 |
gen_op_load_gpr_T1(rA(ctx->opcode)); |
| 766 |
gen_op_rotli32_T0(SH(ctx->opcode)); |
| 767 |
do_mask:
|
| 768 |
#if defined(TARGET_PPC64)
|
| 769 |
mb += 32;
|
| 770 |
me += 32;
|
| 771 |
#endif
|
| 772 |
mask = MASK(mb, me); |
| 773 |
gen_op_andi_T0(mask); |
| 774 |
gen_op_andi_T1(~mask); |
| 775 |
gen_op_or(); |
| 776 |
do_store:
|
| 777 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 778 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 779 |
gen_set_Rc0(ctx); |
| 780 |
} |
| 781 |
/* rlwinm & rlwinm. */
|
| 782 |
GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 783 |
{
|
| 784 |
uint32_t mb, me, sh; |
| 785 |
|
| 786 |
sh = SH(ctx->opcode); |
| 787 |
mb = MB(ctx->opcode); |
| 788 |
me = ME(ctx->opcode); |
| 789 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 790 |
if (likely(sh == 0)) { |
| 791 |
goto do_mask;
|
| 792 |
} |
| 793 |
if (likely(mb == 0)) { |
| 794 |
if (likely(me == 31)) { |
| 795 |
gen_op_rotli32_T0(sh); |
| 796 |
goto do_store;
|
| 797 |
} else if (likely(me == (31 - sh))) { |
| 798 |
gen_op_sli_T0(sh); |
| 799 |
goto do_store;
|
| 800 |
} |
| 801 |
} else if (likely(me == 31)) { |
| 802 |
if (likely(sh == (32 - mb))) { |
| 803 |
gen_op_srli_T0(mb); |
| 804 |
goto do_store;
|
| 805 |
} |
| 806 |
} |
| 807 |
gen_op_rotli32_T0(sh); |
| 808 |
do_mask:
|
| 809 |
#if defined(TARGET_PPC64)
|
| 810 |
mb += 32;
|
| 811 |
me += 32;
|
| 812 |
#endif
|
| 813 |
gen_op_andi_T0(MASK(mb, me)); |
| 814 |
do_store:
|
| 815 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 816 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 817 |
gen_set_Rc0(ctx); |
| 818 |
} |
| 819 |
/* rlwnm & rlwnm. */
|
| 820 |
GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 821 |
{
|
| 822 |
uint32_t mb, me; |
| 823 |
|
| 824 |
mb = MB(ctx->opcode); |
| 825 |
me = ME(ctx->opcode); |
| 826 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 827 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 828 |
gen_op_rotl32_T0_T1(); |
| 829 |
if (unlikely(mb != 0 || me != 31)) { |
| 830 |
#if defined(TARGET_PPC64)
|
| 831 |
mb += 32;
|
| 832 |
me += 32;
|
| 833 |
#endif
|
| 834 |
gen_op_andi_T0(MASK(mb, me)); |
| 835 |
} |
| 836 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 837 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 838 |
gen_set_Rc0(ctx); |
| 839 |
} |
| 840 |
|
| 841 |
/*** Integer shift ***/
|
| 842 |
/* slw & slw. */
|
| 843 |
__GEN_LOGICAL2(slw, 0x18, 0x00); |
| 844 |
/* sraw & sraw. */
|
| 845 |
__GEN_LOGICAL2(sraw, 0x18, 0x18); |
| 846 |
/* srawi & srawi. */
|
| 847 |
GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER) |
| 848 |
{
|
| 849 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 850 |
if (SH(ctx->opcode) != 0) |
| 851 |
gen_op_srawi(SH(ctx->opcode), MASK(32 - SH(ctx->opcode), 31)); |
| 852 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 853 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 854 |
gen_set_Rc0(ctx); |
| 855 |
} |
| 856 |
/* srw & srw. */
|
| 857 |
__GEN_LOGICAL2(srw, 0x18, 0x10); |
| 858 |
|
| 859 |
/*** Floating-Point arithmetic ***/
|
| 860 |
#define _GEN_FLOAT_ACB(name, op, op1, op2, isfloat) \
|
| 861 |
GEN_HANDLER(f##name, op1, op2, 0xFF, 0x00000000, PPC_FLOAT) \ |
| 862 |
{ \
|
| 863 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 864 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 865 |
return; \
|
| 866 |
} \ |
| 867 |
gen_op_reset_scrfx(); \ |
| 868 |
gen_op_load_fpr_FT0(rA(ctx->opcode)); \ |
| 869 |
gen_op_load_fpr_FT1(rC(ctx->opcode)); \ |
| 870 |
gen_op_load_fpr_FT2(rB(ctx->opcode)); \ |
| 871 |
gen_op_f##op(); \ |
| 872 |
if (isfloat) { \
|
| 873 |
gen_op_frsp(); \ |
| 874 |
} \ |
| 875 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); \ |
| 876 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 877 |
gen_op_set_Rc1(); \ |
| 878 |
} |
| 879 |
|
| 880 |
#define GEN_FLOAT_ACB(name, op2) \
|
| 881 |
_GEN_FLOAT_ACB(name, name, 0x3F, op2, 0); \ |
| 882 |
_GEN_FLOAT_ACB(name##s, name, 0x3B, op2, 1); |
| 883 |
|
| 884 |
#define _GEN_FLOAT_AB(name, op, op1, op2, inval, isfloat) \
|
| 885 |
GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \ |
| 886 |
{ \
|
| 887 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 888 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 889 |
return; \
|
| 890 |
} \ |
| 891 |
gen_op_reset_scrfx(); \ |
| 892 |
gen_op_load_fpr_FT0(rA(ctx->opcode)); \ |
| 893 |
gen_op_load_fpr_FT1(rB(ctx->opcode)); \ |
| 894 |
gen_op_f##op(); \ |
| 895 |
if (isfloat) { \
|
| 896 |
gen_op_frsp(); \ |
| 897 |
} \ |
| 898 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); \ |
| 899 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 900 |
gen_op_set_Rc1(); \ |
| 901 |
} |
| 902 |
#define GEN_FLOAT_AB(name, op2, inval) \
|
| 903 |
_GEN_FLOAT_AB(name, name, 0x3F, op2, inval, 0); \ |
| 904 |
_GEN_FLOAT_AB(name##s, name, 0x3B, op2, inval, 1); |
| 905 |
|
| 906 |
#define _GEN_FLOAT_AC(name, op, op1, op2, inval, isfloat) \
|
| 907 |
GEN_HANDLER(f##name, op1, op2, 0xFF, inval, PPC_FLOAT) \ |
| 908 |
{ \
|
| 909 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 910 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 911 |
return; \
|
| 912 |
} \ |
| 913 |
gen_op_reset_scrfx(); \ |
| 914 |
gen_op_load_fpr_FT0(rA(ctx->opcode)); \ |
| 915 |
gen_op_load_fpr_FT1(rC(ctx->opcode)); \ |
| 916 |
gen_op_f##op(); \ |
| 917 |
if (isfloat) { \
|
| 918 |
gen_op_frsp(); \ |
| 919 |
} \ |
| 920 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); \ |
| 921 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 922 |
gen_op_set_Rc1(); \ |
| 923 |
} |
| 924 |
#define GEN_FLOAT_AC(name, op2, inval) \
|
| 925 |
_GEN_FLOAT_AC(name, name, 0x3F, op2, inval, 0); \ |
| 926 |
_GEN_FLOAT_AC(name##s, name, 0x3B, op2, inval, 1); |
| 927 |
|
| 928 |
#define GEN_FLOAT_B(name, op2, op3) \
|
| 929 |
GEN_HANDLER(f##name, 0x3F, op2, op3, 0x001F0000, PPC_FLOAT) \ |
| 930 |
{ \
|
| 931 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 932 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 933 |
return; \
|
| 934 |
} \ |
| 935 |
gen_op_reset_scrfx(); \ |
| 936 |
gen_op_load_fpr_FT0(rB(ctx->opcode)); \ |
| 937 |
gen_op_f##name(); \ |
| 938 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); \ |
| 939 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 940 |
gen_op_set_Rc1(); \ |
| 941 |
} |
| 942 |
|
| 943 |
#define GEN_FLOAT_BS(name, op1, op2) \
|
| 944 |
GEN_HANDLER(f##name, op1, op2, 0xFF, 0x001F07C0, PPC_FLOAT) \ |
| 945 |
{ \
|
| 946 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 947 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 948 |
return; \
|
| 949 |
} \ |
| 950 |
gen_op_reset_scrfx(); \ |
| 951 |
gen_op_load_fpr_FT0(rB(ctx->opcode)); \ |
| 952 |
gen_op_f##name(); \ |
| 953 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); \ |
| 954 |
if (unlikely(Rc(ctx->opcode) != 0)) \ |
| 955 |
gen_op_set_Rc1(); \ |
| 956 |
} |
| 957 |
|
| 958 |
/* fadd - fadds */
|
| 959 |
GEN_FLOAT_AB(add, 0x15, 0x000007C0); |
| 960 |
/* fdiv - fdivs */
|
| 961 |
GEN_FLOAT_AB(div, 0x12, 0x000007C0); |
| 962 |
/* fmul - fmuls */
|
| 963 |
GEN_FLOAT_AC(mul, 0x19, 0x0000F800); |
| 964 |
|
| 965 |
/* fres */ /* XXX: not in 601 */ |
| 966 |
GEN_FLOAT_BS(res, 0x3B, 0x18); |
| 967 |
|
| 968 |
/* frsqrte */ /* XXX: not in 601 */ |
| 969 |
GEN_FLOAT_BS(rsqrte, 0x3F, 0x1A); |
| 970 |
|
| 971 |
/* fsel */ /* XXX: not in 601 */ |
| 972 |
_GEN_FLOAT_ACB(sel, sel, 0x3F, 0x17, 0); |
| 973 |
/* fsub - fsubs */
|
| 974 |
GEN_FLOAT_AB(sub, 0x14, 0x000007C0); |
| 975 |
/* Optional: */
|
| 976 |
/* fsqrt */
|
| 977 |
GEN_HANDLER(fsqrt, 0x3F, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_OPT) |
| 978 |
{
|
| 979 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 980 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 981 |
return;
|
| 982 |
} |
| 983 |
gen_op_reset_scrfx(); |
| 984 |
gen_op_load_fpr_FT0(rB(ctx->opcode)); |
| 985 |
gen_op_fsqrt(); |
| 986 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); |
| 987 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 988 |
gen_op_set_Rc1(); |
| 989 |
} |
| 990 |
|
| 991 |
GEN_HANDLER(fsqrts, 0x3B, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_OPT) |
| 992 |
{
|
| 993 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 994 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 995 |
return;
|
| 996 |
} |
| 997 |
gen_op_reset_scrfx(); |
| 998 |
gen_op_load_fpr_FT0(rB(ctx->opcode)); |
| 999 |
gen_op_fsqrt(); |
| 1000 |
gen_op_frsp(); |
| 1001 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); |
| 1002 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 1003 |
gen_op_set_Rc1(); |
| 1004 |
} |
| 1005 |
|
| 1006 |
/*** Floating-Point multiply-and-add ***/
|
| 1007 |
/* fmadd - fmadds */
|
| 1008 |
GEN_FLOAT_ACB(madd, 0x1D);
|
| 1009 |
/* fmsub - fmsubs */
|
| 1010 |
GEN_FLOAT_ACB(msub, 0x1C);
|
| 1011 |
/* fnmadd - fnmadds */
|
| 1012 |
GEN_FLOAT_ACB(nmadd, 0x1F);
|
| 1013 |
/* fnmsub - fnmsubs */
|
| 1014 |
GEN_FLOAT_ACB(nmsub, 0x1E);
|
| 1015 |
|
| 1016 |
/*** Floating-Point round & convert ***/
|
| 1017 |
/* fctiw */
|
| 1018 |
GEN_FLOAT_B(ctiw, 0x0E, 0x00); |
| 1019 |
/* fctiwz */
|
| 1020 |
GEN_FLOAT_B(ctiwz, 0x0F, 0x00); |
| 1021 |
/* frsp */
|
| 1022 |
GEN_FLOAT_B(rsp, 0x0C, 0x00); |
| 1023 |
|
| 1024 |
/*** Floating-Point compare ***/
|
| 1025 |
/* fcmpo */
|
| 1026 |
GEN_HANDLER(fcmpo, 0x3F, 0x00, 0x01, 0x00600001, PPC_FLOAT) |
| 1027 |
{
|
| 1028 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1029 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1030 |
return;
|
| 1031 |
} |
| 1032 |
gen_op_reset_scrfx(); |
| 1033 |
gen_op_load_fpr_FT0(rA(ctx->opcode)); |
| 1034 |
gen_op_load_fpr_FT1(rB(ctx->opcode)); |
| 1035 |
gen_op_fcmpo(); |
| 1036 |
gen_op_store_T0_crf(crfD(ctx->opcode)); |
| 1037 |
} |
| 1038 |
|
| 1039 |
/* fcmpu */
|
| 1040 |
GEN_HANDLER(fcmpu, 0x3F, 0x00, 0x00, 0x00600001, PPC_FLOAT) |
| 1041 |
{
|
| 1042 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1043 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1044 |
return;
|
| 1045 |
} |
| 1046 |
gen_op_reset_scrfx(); |
| 1047 |
gen_op_load_fpr_FT0(rA(ctx->opcode)); |
| 1048 |
gen_op_load_fpr_FT1(rB(ctx->opcode)); |
| 1049 |
gen_op_fcmpu(); |
| 1050 |
gen_op_store_T0_crf(crfD(ctx->opcode)); |
| 1051 |
} |
| 1052 |
|
| 1053 |
/*** Floating-point move ***/
|
| 1054 |
/* fabs */
|
| 1055 |
GEN_FLOAT_B(abs, 0x08, 0x08); |
| 1056 |
|
| 1057 |
/* fmr - fmr. */
|
| 1058 |
GEN_HANDLER(fmr, 0x3F, 0x08, 0x02, 0x001F0000, PPC_FLOAT) |
| 1059 |
{
|
| 1060 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1061 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1062 |
return;
|
| 1063 |
} |
| 1064 |
gen_op_reset_scrfx(); |
| 1065 |
gen_op_load_fpr_FT0(rB(ctx->opcode)); |
| 1066 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); |
| 1067 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 1068 |
gen_op_set_Rc1(); |
| 1069 |
} |
| 1070 |
|
| 1071 |
/* fnabs */
|
| 1072 |
GEN_FLOAT_B(nabs, 0x08, 0x04); |
| 1073 |
/* fneg */
|
| 1074 |
GEN_FLOAT_B(neg, 0x08, 0x01); |
| 1075 |
|
| 1076 |
/*** Floating-Point status & ctrl register ***/
|
| 1077 |
/* mcrfs */
|
| 1078 |
GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT) |
| 1079 |
{
|
| 1080 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1081 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1082 |
return;
|
| 1083 |
} |
| 1084 |
gen_op_load_fpscr_T0(crfS(ctx->opcode)); |
| 1085 |
gen_op_store_T0_crf(crfD(ctx->opcode)); |
| 1086 |
gen_op_clear_fpscr(crfS(ctx->opcode)); |
| 1087 |
} |
| 1088 |
|
| 1089 |
/* mffs */
|
| 1090 |
GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT) |
| 1091 |
{
|
| 1092 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1093 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1094 |
return;
|
| 1095 |
} |
| 1096 |
gen_op_load_fpscr(); |
| 1097 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); |
| 1098 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 1099 |
gen_op_set_Rc1(); |
| 1100 |
} |
| 1101 |
|
| 1102 |
/* mtfsb0 */
|
| 1103 |
GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT) |
| 1104 |
{
|
| 1105 |
uint8_t crb; |
| 1106 |
|
| 1107 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1108 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1109 |
return;
|
| 1110 |
} |
| 1111 |
crb = crbD(ctx->opcode) >> 2;
|
| 1112 |
gen_op_load_fpscr_T0(crb); |
| 1113 |
gen_op_andi_T0(~(1 << (crbD(ctx->opcode) & 0x03))); |
| 1114 |
gen_op_store_T0_fpscr(crb); |
| 1115 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 1116 |
gen_op_set_Rc1(); |
| 1117 |
} |
| 1118 |
|
| 1119 |
/* mtfsb1 */
|
| 1120 |
GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT) |
| 1121 |
{
|
| 1122 |
uint8_t crb; |
| 1123 |
|
| 1124 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1125 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1126 |
return;
|
| 1127 |
} |
| 1128 |
crb = crbD(ctx->opcode) >> 2;
|
| 1129 |
gen_op_load_fpscr_T0(crb); |
| 1130 |
gen_op_ori(1 << (crbD(ctx->opcode) & 0x03)); |
| 1131 |
gen_op_store_T0_fpscr(crb); |
| 1132 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 1133 |
gen_op_set_Rc1(); |
| 1134 |
} |
| 1135 |
|
| 1136 |
/* mtfsf */
|
| 1137 |
GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x02010000, PPC_FLOAT) |
| 1138 |
{
|
| 1139 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1140 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1141 |
return;
|
| 1142 |
} |
| 1143 |
gen_op_load_fpr_FT0(rB(ctx->opcode)); |
| 1144 |
gen_op_store_fpscr(FM(ctx->opcode)); |
| 1145 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 1146 |
gen_op_set_Rc1(); |
| 1147 |
} |
| 1148 |
|
| 1149 |
/* mtfsfi */
|
| 1150 |
GEN_HANDLER(mtfsfi, 0x3F, 0x06, 0x04, 0x006f0800, PPC_FLOAT) |
| 1151 |
{
|
| 1152 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1153 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1154 |
return;
|
| 1155 |
} |
| 1156 |
gen_op_store_T0_fpscri(crbD(ctx->opcode) >> 2, FPIMM(ctx->opcode));
|
| 1157 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 1158 |
gen_op_set_Rc1(); |
| 1159 |
} |
| 1160 |
|
| 1161 |
/*** Addressing modes ***/
|
| 1162 |
/* Register indirect with immediate index : EA = (rA|0) + SIMM */
|
| 1163 |
static inline void gen_addr_imm_index (DisasContext *ctx) |
| 1164 |
{
|
| 1165 |
target_long simm = SIMM(ctx->opcode); |
| 1166 |
|
| 1167 |
if (rA(ctx->opcode) == 0) { |
| 1168 |
gen_op_set_T0(simm); |
| 1169 |
} else {
|
| 1170 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 1171 |
if (likely(simm != 0)) |
| 1172 |
gen_op_addi(simm); |
| 1173 |
} |
| 1174 |
} |
| 1175 |
|
| 1176 |
static inline void gen_addr_reg_index (DisasContext *ctx) |
| 1177 |
{
|
| 1178 |
if (rA(ctx->opcode) == 0) { |
| 1179 |
gen_op_load_gpr_T0(rB(ctx->opcode)); |
| 1180 |
} else {
|
| 1181 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 1182 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 1183 |
gen_op_add(); |
| 1184 |
} |
| 1185 |
} |
| 1186 |
|
| 1187 |
static inline void gen_addr_register (DisasContext *ctx) |
| 1188 |
{
|
| 1189 |
if (rA(ctx->opcode) == 0) { |
| 1190 |
gen_op_reset_T0(); |
| 1191 |
} else {
|
| 1192 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 1193 |
} |
| 1194 |
} |
| 1195 |
|
| 1196 |
/*** Integer load ***/
|
| 1197 |
#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() |
| 1198 |
#if defined(CONFIG_USER_ONLY)
|
| 1199 |
#define OP_LD_TABLE(width) \
|
| 1200 |
static GenOpFunc *gen_op_l##width[] = { \ |
| 1201 |
&gen_op_l##width##_raw, \ |
| 1202 |
&gen_op_l##width##_le_raw, \ |
| 1203 |
}; |
| 1204 |
#define OP_ST_TABLE(width) \
|
| 1205 |
static GenOpFunc *gen_op_st##width[] = { \ |
| 1206 |
&gen_op_st##width##_raw, \ |
| 1207 |
&gen_op_st##width##_le_raw, \ |
| 1208 |
}; |
| 1209 |
/* Byte access routine are endian safe */
|
| 1210 |
#define gen_op_stb_le_raw gen_op_stb_raw
|
| 1211 |
#define gen_op_lbz_le_raw gen_op_lbz_raw
|
| 1212 |
#else
|
| 1213 |
#define OP_LD_TABLE(width) \
|
| 1214 |
static GenOpFunc *gen_op_l##width[] = { \ |
| 1215 |
&gen_op_l##width##_user, \ |
| 1216 |
&gen_op_l##width##_le_user, \ |
| 1217 |
&gen_op_l##width##_kernel, \ |
| 1218 |
&gen_op_l##width##_le_kernel, \ |
| 1219 |
}; |
| 1220 |
#define OP_ST_TABLE(width) \
|
| 1221 |
static GenOpFunc *gen_op_st##width[] = { \ |
| 1222 |
&gen_op_st##width##_user, \ |
| 1223 |
&gen_op_st##width##_le_user, \ |
| 1224 |
&gen_op_st##width##_kernel, \ |
| 1225 |
&gen_op_st##width##_le_kernel, \ |
| 1226 |
}; |
| 1227 |
/* Byte access routine are endian safe */
|
| 1228 |
#define gen_op_stb_le_user gen_op_stb_user
|
| 1229 |
#define gen_op_lbz_le_user gen_op_lbz_user
|
| 1230 |
#define gen_op_stb_le_kernel gen_op_stb_kernel
|
| 1231 |
#define gen_op_lbz_le_kernel gen_op_lbz_kernel
|
| 1232 |
#endif
|
| 1233 |
|
| 1234 |
#define GEN_LD(width, opc) \
|
| 1235 |
GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ |
| 1236 |
{ \
|
| 1237 |
gen_addr_imm_index(ctx); \ |
| 1238 |
op_ldst(l##width); \ |
| 1239 |
gen_op_store_T1_gpr(rD(ctx->opcode)); \ |
| 1240 |
} |
| 1241 |
|
| 1242 |
#define GEN_LDU(width, opc) \
|
| 1243 |
GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ |
| 1244 |
{ \
|
| 1245 |
if (unlikely(rA(ctx->opcode) == 0 || \ |
| 1246 |
rA(ctx->opcode) == rD(ctx->opcode))) { \
|
| 1247 |
RET_INVAL(ctx); \ |
| 1248 |
return; \
|
| 1249 |
} \ |
| 1250 |
gen_addr_imm_index(ctx); \ |
| 1251 |
op_ldst(l##width); \ |
| 1252 |
gen_op_store_T1_gpr(rD(ctx->opcode)); \ |
| 1253 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 1254 |
} |
| 1255 |
|
| 1256 |
#define GEN_LDUX(width, opc) \
|
| 1257 |
GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \ |
| 1258 |
{ \
|
| 1259 |
if (unlikely(rA(ctx->opcode) == 0 || \ |
| 1260 |
rA(ctx->opcode) == rD(ctx->opcode))) { \
|
| 1261 |
RET_INVAL(ctx); \ |
| 1262 |
return; \
|
| 1263 |
} \ |
| 1264 |
gen_addr_reg_index(ctx); \ |
| 1265 |
op_ldst(l##width); \ |
| 1266 |
gen_op_store_T1_gpr(rD(ctx->opcode)); \ |
| 1267 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 1268 |
} |
| 1269 |
|
| 1270 |
#define GEN_LDX(width, opc2, opc3) \
|
| 1271 |
GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \ |
| 1272 |
{ \
|
| 1273 |
gen_addr_reg_index(ctx); \ |
| 1274 |
op_ldst(l##width); \ |
| 1275 |
gen_op_store_T1_gpr(rD(ctx->opcode)); \ |
| 1276 |
} |
| 1277 |
|
| 1278 |
#define GEN_LDS(width, op) \
|
| 1279 |
OP_LD_TABLE(width); \ |
| 1280 |
GEN_LD(width, op | 0x20); \
|
| 1281 |
GEN_LDU(width, op | 0x21); \
|
| 1282 |
GEN_LDUX(width, op | 0x01); \
|
| 1283 |
GEN_LDX(width, 0x17, op | 0x00) |
| 1284 |
|
| 1285 |
/* lbz lbzu lbzux lbzx */
|
| 1286 |
GEN_LDS(bz, 0x02);
|
| 1287 |
/* lha lhau lhaux lhax */
|
| 1288 |
GEN_LDS(ha, 0x0A);
|
| 1289 |
/* lhz lhzu lhzux lhzx */
|
| 1290 |
GEN_LDS(hz, 0x08);
|
| 1291 |
/* lwz lwzu lwzux lwzx */
|
| 1292 |
GEN_LDS(wz, 0x00);
|
| 1293 |
|
| 1294 |
/*** Integer store ***/
|
| 1295 |
#define GEN_ST(width, opc) \
|
| 1296 |
GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ |
| 1297 |
{ \
|
| 1298 |
gen_addr_imm_index(ctx); \ |
| 1299 |
gen_op_load_gpr_T1(rS(ctx->opcode)); \ |
| 1300 |
op_ldst(st##width); \ |
| 1301 |
} |
| 1302 |
|
| 1303 |
#define GEN_STU(width, opc) \
|
| 1304 |
GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) \ |
| 1305 |
{ \
|
| 1306 |
if (unlikely(rA(ctx->opcode) == 0)) { \ |
| 1307 |
RET_INVAL(ctx); \ |
| 1308 |
return; \
|
| 1309 |
} \ |
| 1310 |
gen_addr_imm_index(ctx); \ |
| 1311 |
gen_op_load_gpr_T1(rS(ctx->opcode)); \ |
| 1312 |
op_ldst(st##width); \ |
| 1313 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 1314 |
} |
| 1315 |
|
| 1316 |
#define GEN_STUX(width, opc) \
|
| 1317 |
GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_INTEGER) \ |
| 1318 |
{ \
|
| 1319 |
if (unlikely(rA(ctx->opcode) == 0)) { \ |
| 1320 |
RET_INVAL(ctx); \ |
| 1321 |
return; \
|
| 1322 |
} \ |
| 1323 |
gen_addr_reg_index(ctx); \ |
| 1324 |
gen_op_load_gpr_T1(rS(ctx->opcode)); \ |
| 1325 |
op_ldst(st##width); \ |
| 1326 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 1327 |
} |
| 1328 |
|
| 1329 |
#define GEN_STX(width, opc2, opc3) \
|
| 1330 |
GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_INTEGER) \ |
| 1331 |
{ \
|
| 1332 |
gen_addr_reg_index(ctx); \ |
| 1333 |
gen_op_load_gpr_T1(rS(ctx->opcode)); \ |
| 1334 |
op_ldst(st##width); \ |
| 1335 |
} |
| 1336 |
|
| 1337 |
#define GEN_STS(width, op) \
|
| 1338 |
OP_ST_TABLE(width); \ |
| 1339 |
GEN_ST(width, op | 0x20); \
|
| 1340 |
GEN_STU(width, op | 0x21); \
|
| 1341 |
GEN_STUX(width, op | 0x01); \
|
| 1342 |
GEN_STX(width, 0x17, op | 0x00) |
| 1343 |
|
| 1344 |
/* stb stbu stbux stbx */
|
| 1345 |
GEN_STS(b, 0x06);
|
| 1346 |
/* sth sthu sthux sthx */
|
| 1347 |
GEN_STS(h, 0x0C);
|
| 1348 |
/* stw stwu stwux stwx */
|
| 1349 |
GEN_STS(w, 0x04);
|
| 1350 |
|
| 1351 |
/*** Integer load and store with byte reverse ***/
|
| 1352 |
/* lhbrx */
|
| 1353 |
OP_LD_TABLE(hbr); |
| 1354 |
GEN_LDX(hbr, 0x16, 0x18); |
| 1355 |
/* lwbrx */
|
| 1356 |
OP_LD_TABLE(wbr); |
| 1357 |
GEN_LDX(wbr, 0x16, 0x10); |
| 1358 |
/* sthbrx */
|
| 1359 |
OP_ST_TABLE(hbr); |
| 1360 |
GEN_STX(hbr, 0x16, 0x1C); |
| 1361 |
/* stwbrx */
|
| 1362 |
OP_ST_TABLE(wbr); |
| 1363 |
GEN_STX(wbr, 0x16, 0x14); |
| 1364 |
|
| 1365 |
/*** Integer load and store multiple ***/
|
| 1366 |
#define op_ldstm(name, reg) (*gen_op_##name[ctx->mem_idx])(reg) |
| 1367 |
#if defined(CONFIG_USER_ONLY)
|
| 1368 |
static GenOpFunc1 *gen_op_lmw[] = {
|
| 1369 |
&gen_op_lmw_raw, |
| 1370 |
&gen_op_lmw_le_raw, |
| 1371 |
}; |
| 1372 |
static GenOpFunc1 *gen_op_stmw[] = {
|
| 1373 |
&gen_op_stmw_raw, |
| 1374 |
&gen_op_stmw_le_raw, |
| 1375 |
}; |
| 1376 |
#else
|
| 1377 |
static GenOpFunc1 *gen_op_lmw[] = {
|
| 1378 |
&gen_op_lmw_user, |
| 1379 |
&gen_op_lmw_le_user, |
| 1380 |
&gen_op_lmw_kernel, |
| 1381 |
&gen_op_lmw_le_kernel, |
| 1382 |
}; |
| 1383 |
static GenOpFunc1 *gen_op_stmw[] = {
|
| 1384 |
&gen_op_stmw_user, |
| 1385 |
&gen_op_stmw_le_user, |
| 1386 |
&gen_op_stmw_kernel, |
| 1387 |
&gen_op_stmw_le_kernel, |
| 1388 |
}; |
| 1389 |
#endif
|
| 1390 |
|
| 1391 |
/* lmw */
|
| 1392 |
GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 1393 |
{
|
| 1394 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 1395 |
gen_op_update_nip(ctx->nip - 4);
|
| 1396 |
gen_addr_imm_index(ctx); |
| 1397 |
op_ldstm(lmw, rD(ctx->opcode)); |
| 1398 |
} |
| 1399 |
|
| 1400 |
/* stmw */
|
| 1401 |
GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) |
| 1402 |
{
|
| 1403 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 1404 |
gen_op_update_nip(ctx->nip - 4);
|
| 1405 |
gen_addr_imm_index(ctx); |
| 1406 |
op_ldstm(stmw, rS(ctx->opcode)); |
| 1407 |
} |
| 1408 |
|
| 1409 |
/*** Integer load and store strings ***/
|
| 1410 |
#define op_ldsts(name, start) (*gen_op_##name[ctx->mem_idx])(start) |
| 1411 |
#define op_ldstsx(name, rd, ra, rb) (*gen_op_##name[ctx->mem_idx])(rd, ra, rb) |
| 1412 |
#if defined(CONFIG_USER_ONLY)
|
| 1413 |
static GenOpFunc1 *gen_op_lswi[] = {
|
| 1414 |
&gen_op_lswi_raw, |
| 1415 |
&gen_op_lswi_le_raw, |
| 1416 |
}; |
| 1417 |
static GenOpFunc3 *gen_op_lswx[] = {
|
| 1418 |
&gen_op_lswx_raw, |
| 1419 |
&gen_op_lswx_le_raw, |
| 1420 |
}; |
| 1421 |
static GenOpFunc1 *gen_op_stsw[] = {
|
| 1422 |
&gen_op_stsw_raw, |
| 1423 |
&gen_op_stsw_le_raw, |
| 1424 |
}; |
| 1425 |
#else
|
| 1426 |
static GenOpFunc1 *gen_op_lswi[] = {
|
| 1427 |
&gen_op_lswi_user, |
| 1428 |
&gen_op_lswi_le_user, |
| 1429 |
&gen_op_lswi_kernel, |
| 1430 |
&gen_op_lswi_le_kernel, |
| 1431 |
}; |
| 1432 |
static GenOpFunc3 *gen_op_lswx[] = {
|
| 1433 |
&gen_op_lswx_user, |
| 1434 |
&gen_op_lswx_le_user, |
| 1435 |
&gen_op_lswx_kernel, |
| 1436 |
&gen_op_lswx_le_kernel, |
| 1437 |
}; |
| 1438 |
static GenOpFunc1 *gen_op_stsw[] = {
|
| 1439 |
&gen_op_stsw_user, |
| 1440 |
&gen_op_stsw_le_user, |
| 1441 |
&gen_op_stsw_kernel, |
| 1442 |
&gen_op_stsw_le_kernel, |
| 1443 |
}; |
| 1444 |
#endif
|
| 1445 |
|
| 1446 |
/* lswi */
|
| 1447 |
/* PowerPC32 specification says we must generate an exception if
|
| 1448 |
* rA is in the range of registers to be loaded.
|
| 1449 |
* In an other hand, IBM says this is valid, but rA won't be loaded.
|
| 1450 |
* For now, I'll follow the spec...
|
| 1451 |
*/
|
| 1452 |
GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_INTEGER) |
| 1453 |
{
|
| 1454 |
int nb = NB(ctx->opcode);
|
| 1455 |
int start = rD(ctx->opcode);
|
| 1456 |
int ra = rA(ctx->opcode);
|
| 1457 |
int nr;
|
| 1458 |
|
| 1459 |
if (nb == 0) |
| 1460 |
nb = 32;
|
| 1461 |
nr = nb / 4;
|
| 1462 |
if (unlikely(((start + nr) > 32 && |
| 1463 |
start <= ra && (start + nr - 32) > ra) ||
|
| 1464 |
((start + nr) <= 32 && start <= ra && (start + nr) > ra))) {
|
| 1465 |
RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_LSWX); |
| 1466 |
return;
|
| 1467 |
} |
| 1468 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 1469 |
gen_op_update_nip(ctx->nip - 4);
|
| 1470 |
gen_addr_register(ctx); |
| 1471 |
gen_op_set_T1(nb); |
| 1472 |
op_ldsts(lswi, start); |
| 1473 |
} |
| 1474 |
|
| 1475 |
/* lswx */
|
| 1476 |
GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_INTEGER) |
| 1477 |
{
|
| 1478 |
int ra = rA(ctx->opcode);
|
| 1479 |
int rb = rB(ctx->opcode);
|
| 1480 |
|
| 1481 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 1482 |
gen_op_update_nip(ctx->nip - 4);
|
| 1483 |
gen_addr_reg_index(ctx); |
| 1484 |
if (ra == 0) { |
| 1485 |
ra = rb; |
| 1486 |
} |
| 1487 |
gen_op_load_xer_bc(); |
| 1488 |
op_ldstsx(lswx, rD(ctx->opcode), ra, rb); |
| 1489 |
} |
| 1490 |
|
| 1491 |
/* stswi */
|
| 1492 |
GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_INTEGER) |
| 1493 |
{
|
| 1494 |
int nb = NB(ctx->opcode);
|
| 1495 |
|
| 1496 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 1497 |
gen_op_update_nip(ctx->nip - 4);
|
| 1498 |
gen_addr_register(ctx); |
| 1499 |
if (nb == 0) |
| 1500 |
nb = 32;
|
| 1501 |
gen_op_set_T1(nb); |
| 1502 |
op_ldsts(stsw, rS(ctx->opcode)); |
| 1503 |
} |
| 1504 |
|
| 1505 |
/* stswx */
|
| 1506 |
GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_INTEGER) |
| 1507 |
{
|
| 1508 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 1509 |
gen_op_update_nip(ctx->nip - 4);
|
| 1510 |
gen_addr_reg_index(ctx); |
| 1511 |
gen_op_load_xer_bc(); |
| 1512 |
op_ldsts(stsw, rS(ctx->opcode)); |
| 1513 |
} |
| 1514 |
|
| 1515 |
/*** Memory synchronisation ***/
|
| 1516 |
/* eieio */
|
| 1517 |
GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FF0801, PPC_MEM_EIEIO) |
| 1518 |
{
|
| 1519 |
} |
| 1520 |
|
| 1521 |
/* isync */
|
| 1522 |
GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FF0801, PPC_MEM) |
| 1523 |
{
|
| 1524 |
} |
| 1525 |
|
| 1526 |
#define op_lwarx() (*gen_op_lwarx[ctx->mem_idx])()
|
| 1527 |
#define op_stwcx() (*gen_op_stwcx[ctx->mem_idx])()
|
| 1528 |
#if defined(CONFIG_USER_ONLY)
|
| 1529 |
static GenOpFunc *gen_op_lwarx[] = {
|
| 1530 |
&gen_op_lwarx_raw, |
| 1531 |
&gen_op_lwarx_le_raw, |
| 1532 |
}; |
| 1533 |
static GenOpFunc *gen_op_stwcx[] = {
|
| 1534 |
&gen_op_stwcx_raw, |
| 1535 |
&gen_op_stwcx_le_raw, |
| 1536 |
}; |
| 1537 |
#else
|
| 1538 |
static GenOpFunc *gen_op_lwarx[] = {
|
| 1539 |
&gen_op_lwarx_user, |
| 1540 |
&gen_op_lwarx_le_user, |
| 1541 |
&gen_op_lwarx_kernel, |
| 1542 |
&gen_op_lwarx_le_kernel, |
| 1543 |
}; |
| 1544 |
static GenOpFunc *gen_op_stwcx[] = {
|
| 1545 |
&gen_op_stwcx_user, |
| 1546 |
&gen_op_stwcx_le_user, |
| 1547 |
&gen_op_stwcx_kernel, |
| 1548 |
&gen_op_stwcx_le_kernel, |
| 1549 |
}; |
| 1550 |
#endif
|
| 1551 |
|
| 1552 |
/* lwarx */
|
| 1553 |
GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000001, PPC_RES) |
| 1554 |
{
|
| 1555 |
gen_addr_reg_index(ctx); |
| 1556 |
op_lwarx(); |
| 1557 |
gen_op_store_T1_gpr(rD(ctx->opcode)); |
| 1558 |
} |
| 1559 |
|
| 1560 |
/* stwcx. */
|
| 1561 |
GEN_HANDLER(stwcx_, 0x1F, 0x16, 0x04, 0x00000000, PPC_RES) |
| 1562 |
{
|
| 1563 |
gen_addr_reg_index(ctx); |
| 1564 |
gen_op_load_gpr_T1(rS(ctx->opcode)); |
| 1565 |
op_stwcx(); |
| 1566 |
} |
| 1567 |
|
| 1568 |
/* sync */
|
| 1569 |
GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x03FF0801, PPC_MEM_SYNC) |
| 1570 |
{
|
| 1571 |
} |
| 1572 |
|
| 1573 |
/*** Floating-point load ***/
|
| 1574 |
#define GEN_LDF(width, opc) \
|
| 1575 |
GEN_HANDLER(l##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ |
| 1576 |
{ \
|
| 1577 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 1578 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 1579 |
return; \
|
| 1580 |
} \ |
| 1581 |
gen_addr_imm_index(ctx); \ |
| 1582 |
op_ldst(l##width); \ |
| 1583 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); \ |
| 1584 |
} |
| 1585 |
|
| 1586 |
#define GEN_LDUF(width, opc) \
|
| 1587 |
GEN_HANDLER(l##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ |
| 1588 |
{ \
|
| 1589 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 1590 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 1591 |
return; \
|
| 1592 |
} \ |
| 1593 |
if (unlikely(rA(ctx->opcode) == 0)) { \ |
| 1594 |
RET_INVAL(ctx); \ |
| 1595 |
return; \
|
| 1596 |
} \ |
| 1597 |
gen_addr_imm_index(ctx); \ |
| 1598 |
op_ldst(l##width); \ |
| 1599 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); \ |
| 1600 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 1601 |
} |
| 1602 |
|
| 1603 |
#define GEN_LDUXF(width, opc) \
|
| 1604 |
GEN_HANDLER(l##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \ |
| 1605 |
{ \
|
| 1606 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 1607 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 1608 |
return; \
|
| 1609 |
} \ |
| 1610 |
if (unlikely(rA(ctx->opcode) == 0)) { \ |
| 1611 |
RET_INVAL(ctx); \ |
| 1612 |
return; \
|
| 1613 |
} \ |
| 1614 |
gen_addr_reg_index(ctx); \ |
| 1615 |
op_ldst(l##width); \ |
| 1616 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); \ |
| 1617 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 1618 |
} |
| 1619 |
|
| 1620 |
#define GEN_LDXF(width, opc2, opc3) \
|
| 1621 |
GEN_HANDLER(l##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_FLOAT) \ |
| 1622 |
{ \
|
| 1623 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 1624 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 1625 |
return; \
|
| 1626 |
} \ |
| 1627 |
gen_addr_reg_index(ctx); \ |
| 1628 |
op_ldst(l##width); \ |
| 1629 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); \ |
| 1630 |
} |
| 1631 |
|
| 1632 |
#define GEN_LDFS(width, op) \
|
| 1633 |
OP_LD_TABLE(width); \ |
| 1634 |
GEN_LDF(width, op | 0x20); \
|
| 1635 |
GEN_LDUF(width, op | 0x21); \
|
| 1636 |
GEN_LDUXF(width, op | 0x01); \
|
| 1637 |
GEN_LDXF(width, 0x17, op | 0x00) |
| 1638 |
|
| 1639 |
/* lfd lfdu lfdux lfdx */
|
| 1640 |
GEN_LDFS(fd, 0x12);
|
| 1641 |
/* lfs lfsu lfsux lfsx */
|
| 1642 |
GEN_LDFS(fs, 0x10);
|
| 1643 |
|
| 1644 |
/*** Floating-point store ***/
|
| 1645 |
#define GEN_STF(width, opc) \
|
| 1646 |
GEN_HANDLER(st##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ |
| 1647 |
{ \
|
| 1648 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 1649 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 1650 |
return; \
|
| 1651 |
} \ |
| 1652 |
gen_addr_imm_index(ctx); \ |
| 1653 |
gen_op_load_fpr_FT0(rS(ctx->opcode)); \ |
| 1654 |
op_ldst(st##width); \ |
| 1655 |
} |
| 1656 |
|
| 1657 |
#define GEN_STUF(width, opc) \
|
| 1658 |
GEN_HANDLER(st##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \ |
| 1659 |
{ \
|
| 1660 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 1661 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 1662 |
return; \
|
| 1663 |
} \ |
| 1664 |
if (unlikely(rA(ctx->opcode) == 0)) { \ |
| 1665 |
RET_INVAL(ctx); \ |
| 1666 |
return; \
|
| 1667 |
} \ |
| 1668 |
gen_addr_imm_index(ctx); \ |
| 1669 |
gen_op_load_fpr_FT0(rS(ctx->opcode)); \ |
| 1670 |
op_ldst(st##width); \ |
| 1671 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 1672 |
} |
| 1673 |
|
| 1674 |
#define GEN_STUXF(width, opc) \
|
| 1675 |
GEN_HANDLER(st##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \ |
| 1676 |
{ \
|
| 1677 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 1678 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 1679 |
return; \
|
| 1680 |
} \ |
| 1681 |
if (unlikely(rA(ctx->opcode) == 0)) { \ |
| 1682 |
RET_INVAL(ctx); \ |
| 1683 |
return; \
|
| 1684 |
} \ |
| 1685 |
gen_addr_reg_index(ctx); \ |
| 1686 |
gen_op_load_fpr_FT0(rS(ctx->opcode)); \ |
| 1687 |
op_ldst(st##width); \ |
| 1688 |
gen_op_store_T0_gpr(rA(ctx->opcode)); \ |
| 1689 |
} |
| 1690 |
|
| 1691 |
#define GEN_STXF(width, opc2, opc3) \
|
| 1692 |
GEN_HANDLER(st##width##x, 0x1F, opc2, opc3, 0x00000001, PPC_FLOAT) \ |
| 1693 |
{ \
|
| 1694 |
if (unlikely(!ctx->fpu_enabled)) { \
|
| 1695 |
RET_EXCP(ctx, EXCP_NO_FP, 0); \
|
| 1696 |
return; \
|
| 1697 |
} \ |
| 1698 |
gen_addr_reg_index(ctx); \ |
| 1699 |
gen_op_load_fpr_FT0(rS(ctx->opcode)); \ |
| 1700 |
op_ldst(st##width); \ |
| 1701 |
} |
| 1702 |
|
| 1703 |
#define GEN_STFS(width, op) \
|
| 1704 |
OP_ST_TABLE(width); \ |
| 1705 |
GEN_STF(width, op | 0x20); \
|
| 1706 |
GEN_STUF(width, op | 0x21); \
|
| 1707 |
GEN_STUXF(width, op | 0x01); \
|
| 1708 |
GEN_STXF(width, 0x17, op | 0x00) |
| 1709 |
|
| 1710 |
/* stfd stfdu stfdux stfdx */
|
| 1711 |
GEN_STFS(fd, 0x16);
|
| 1712 |
/* stfs stfsu stfsux stfsx */
|
| 1713 |
GEN_STFS(fs, 0x14);
|
| 1714 |
|
| 1715 |
/* Optional: */
|
| 1716 |
/* stfiwx */
|
| 1717 |
GEN_HANDLER(stfiwx, 0x1F, 0x17, 0x1E, 0x00000001, PPC_FLOAT) |
| 1718 |
{
|
| 1719 |
if (unlikely(!ctx->fpu_enabled)) {
|
| 1720 |
RET_EXCP(ctx, EXCP_NO_FP, 0);
|
| 1721 |
return;
|
| 1722 |
} |
| 1723 |
gen_addr_reg_index(ctx); |
| 1724 |
/* XXX: TODO: memcpy low order 32 bits of FRP(rs) into memory */
|
| 1725 |
RET_INVAL(ctx); |
| 1726 |
} |
| 1727 |
|
| 1728 |
/*** Branch ***/
|
| 1729 |
|
| 1730 |
static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
| 1731 |
{
|
| 1732 |
TranslationBlock *tb; |
| 1733 |
tb = ctx->tb; |
| 1734 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
|
| 1735 |
if (n == 0) |
| 1736 |
gen_op_goto_tb0(TBPARAM(tb)); |
| 1737 |
else
|
| 1738 |
gen_op_goto_tb1(TBPARAM(tb)); |
| 1739 |
gen_op_set_T1(dest); |
| 1740 |
gen_op_b_T1(); |
| 1741 |
gen_op_set_T0((long)tb + n);
|
| 1742 |
if (ctx->singlestep_enabled)
|
| 1743 |
gen_op_debug(); |
| 1744 |
gen_op_exit_tb(); |
| 1745 |
} else {
|
| 1746 |
gen_op_set_T1(dest); |
| 1747 |
gen_op_b_T1(); |
| 1748 |
gen_op_reset_T0(); |
| 1749 |
if (ctx->singlestep_enabled)
|
| 1750 |
gen_op_debug(); |
| 1751 |
gen_op_exit_tb(); |
| 1752 |
} |
| 1753 |
} |
| 1754 |
|
| 1755 |
/* b ba bl bla */
|
| 1756 |
GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW) |
| 1757 |
{
|
| 1758 |
target_ulong li, target; |
| 1759 |
|
| 1760 |
/* sign extend LI */
|
| 1761 |
#if defined(TARGET_PPC64)
|
| 1762 |
li = ((target_long)LI(ctx->opcode) << 38) >> 38; |
| 1763 |
#else
|
| 1764 |
li = ((target_long)LI(ctx->opcode) << 6) >> 6; |
| 1765 |
#endif
|
| 1766 |
if (likely(AA(ctx->opcode) == 0)) |
| 1767 |
target = ctx->nip + li - 4;
|
| 1768 |
else
|
| 1769 |
target = li; |
| 1770 |
if (LK(ctx->opcode)) {
|
| 1771 |
gen_op_setlr(ctx->nip); |
| 1772 |
} |
| 1773 |
gen_goto_tb(ctx, 0, target);
|
| 1774 |
ctx->exception = EXCP_BRANCH; |
| 1775 |
} |
| 1776 |
|
| 1777 |
#define BCOND_IM 0 |
| 1778 |
#define BCOND_LR 1 |
| 1779 |
#define BCOND_CTR 2 |
| 1780 |
|
| 1781 |
static inline void gen_bcond(DisasContext *ctx, int type) |
| 1782 |
{
|
| 1783 |
target_ulong target = 0;
|
| 1784 |
target_ulong li; |
| 1785 |
uint32_t bo = BO(ctx->opcode); |
| 1786 |
uint32_t bi = BI(ctx->opcode); |
| 1787 |
uint32_t mask; |
| 1788 |
|
| 1789 |
if ((bo & 0x4) == 0) |
| 1790 |
gen_op_dec_ctr(); |
| 1791 |
switch(type) {
|
| 1792 |
case BCOND_IM:
|
| 1793 |
li = (target_long)((int16_t)(BD(ctx->opcode))); |
| 1794 |
if (likely(AA(ctx->opcode) == 0)) { |
| 1795 |
target = ctx->nip + li - 4;
|
| 1796 |
} else {
|
| 1797 |
target = li; |
| 1798 |
} |
| 1799 |
break;
|
| 1800 |
case BCOND_CTR:
|
| 1801 |
gen_op_movl_T1_ctr(); |
| 1802 |
break;
|
| 1803 |
default:
|
| 1804 |
case BCOND_LR:
|
| 1805 |
gen_op_movl_T1_lr(); |
| 1806 |
break;
|
| 1807 |
} |
| 1808 |
if (LK(ctx->opcode)) {
|
| 1809 |
gen_op_setlr(ctx->nip); |
| 1810 |
} |
| 1811 |
if (bo & 0x10) { |
| 1812 |
/* No CR condition */
|
| 1813 |
switch (bo & 0x6) { |
| 1814 |
case 0: |
| 1815 |
gen_op_test_ctr(); |
| 1816 |
break;
|
| 1817 |
case 2: |
| 1818 |
gen_op_test_ctrz(); |
| 1819 |
break;
|
| 1820 |
default:
|
| 1821 |
case 4: |
| 1822 |
case 6: |
| 1823 |
if (type == BCOND_IM) {
|
| 1824 |
gen_goto_tb(ctx, 0, target);
|
| 1825 |
} else {
|
| 1826 |
gen_op_b_T1(); |
| 1827 |
gen_op_reset_T0(); |
| 1828 |
} |
| 1829 |
goto no_test;
|
| 1830 |
} |
| 1831 |
} else {
|
| 1832 |
mask = 1 << (3 - (bi & 0x03)); |
| 1833 |
gen_op_load_crf_T0(bi >> 2);
|
| 1834 |
if (bo & 0x8) { |
| 1835 |
switch (bo & 0x6) { |
| 1836 |
case 0: |
| 1837 |
gen_op_test_ctr_true(mask); |
| 1838 |
break;
|
| 1839 |
case 2: |
| 1840 |
gen_op_test_ctrz_true(mask); |
| 1841 |
break;
|
| 1842 |
default:
|
| 1843 |
case 4: |
| 1844 |
case 6: |
| 1845 |
gen_op_test_true(mask); |
| 1846 |
break;
|
| 1847 |
} |
| 1848 |
} else {
|
| 1849 |
switch (bo & 0x6) { |
| 1850 |
case 0: |
| 1851 |
gen_op_test_ctr_false(mask); |
| 1852 |
break;
|
| 1853 |
case 2: |
| 1854 |
gen_op_test_ctrz_false(mask); |
| 1855 |
break;
|
| 1856 |
default:
|
| 1857 |
case 4: |
| 1858 |
case 6: |
| 1859 |
gen_op_test_false(mask); |
| 1860 |
break;
|
| 1861 |
} |
| 1862 |
} |
| 1863 |
} |
| 1864 |
if (type == BCOND_IM) {
|
| 1865 |
int l1 = gen_new_label();
|
| 1866 |
gen_op_jz_T0(l1); |
| 1867 |
gen_goto_tb(ctx, 0, target);
|
| 1868 |
gen_set_label(l1); |
| 1869 |
gen_goto_tb(ctx, 1, ctx->nip);
|
| 1870 |
} else {
|
| 1871 |
gen_op_btest_T1(ctx->nip); |
| 1872 |
gen_op_reset_T0(); |
| 1873 |
} |
| 1874 |
no_test:
|
| 1875 |
if (ctx->singlestep_enabled)
|
| 1876 |
gen_op_debug(); |
| 1877 |
gen_op_exit_tb(); |
| 1878 |
ctx->exception = EXCP_BRANCH; |
| 1879 |
} |
| 1880 |
|
| 1881 |
GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW) |
| 1882 |
{
|
| 1883 |
gen_bcond(ctx, BCOND_IM); |
| 1884 |
} |
| 1885 |
|
| 1886 |
GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW) |
| 1887 |
{
|
| 1888 |
gen_bcond(ctx, BCOND_CTR); |
| 1889 |
} |
| 1890 |
|
| 1891 |
GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW) |
| 1892 |
{
|
| 1893 |
gen_bcond(ctx, BCOND_LR); |
| 1894 |
} |
| 1895 |
|
| 1896 |
/*** Condition register logical ***/
|
| 1897 |
#define GEN_CRLOGIC(op, opc) \
|
| 1898 |
GEN_HANDLER(cr##op, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) \ |
| 1899 |
{ \
|
| 1900 |
gen_op_load_crf_T0(crbA(ctx->opcode) >> 2); \
|
| 1901 |
gen_op_getbit_T0(3 - (crbA(ctx->opcode) & 0x03)); \ |
| 1902 |
gen_op_load_crf_T1(crbB(ctx->opcode) >> 2); \
|
| 1903 |
gen_op_getbit_T1(3 - (crbB(ctx->opcode) & 0x03)); \ |
| 1904 |
gen_op_##op(); \ |
| 1905 |
gen_op_load_crf_T1(crbD(ctx->opcode) >> 2); \
|
| 1906 |
gen_op_setcrfbit(~(1 << (3 - (crbD(ctx->opcode) & 0x03))), \ |
| 1907 |
3 - (crbD(ctx->opcode) & 0x03)); \ |
| 1908 |
gen_op_store_T1_crf(crbD(ctx->opcode) >> 2); \
|
| 1909 |
} |
| 1910 |
|
| 1911 |
/* crand */
|
| 1912 |
GEN_CRLOGIC(and, 0x08);
|
| 1913 |
/* crandc */
|
| 1914 |
GEN_CRLOGIC(andc, 0x04);
|
| 1915 |
/* creqv */
|
| 1916 |
GEN_CRLOGIC(eqv, 0x09);
|
| 1917 |
/* crnand */
|
| 1918 |
GEN_CRLOGIC(nand, 0x07);
|
| 1919 |
/* crnor */
|
| 1920 |
GEN_CRLOGIC(nor, 0x01);
|
| 1921 |
/* cror */
|
| 1922 |
GEN_CRLOGIC(or, 0x0E);
|
| 1923 |
/* crorc */
|
| 1924 |
GEN_CRLOGIC(orc, 0x0D);
|
| 1925 |
/* crxor */
|
| 1926 |
GEN_CRLOGIC(xor, 0x06);
|
| 1927 |
/* mcrf */
|
| 1928 |
GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER) |
| 1929 |
{
|
| 1930 |
gen_op_load_crf_T0(crfS(ctx->opcode)); |
| 1931 |
gen_op_store_T0_crf(crfD(ctx->opcode)); |
| 1932 |
} |
| 1933 |
|
| 1934 |
/*** System linkage ***/
|
| 1935 |
/* rfi (supervisor only) */
|
| 1936 |
GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW) |
| 1937 |
{
|
| 1938 |
#if defined(CONFIG_USER_ONLY)
|
| 1939 |
RET_PRIVOPC(ctx); |
| 1940 |
#else
|
| 1941 |
/* Restore CPU state */
|
| 1942 |
if (unlikely(!ctx->supervisor)) {
|
| 1943 |
RET_PRIVOPC(ctx); |
| 1944 |
return;
|
| 1945 |
} |
| 1946 |
gen_op_rfi(); |
| 1947 |
RET_CHG_FLOW(ctx); |
| 1948 |
#endif
|
| 1949 |
} |
| 1950 |
|
| 1951 |
/* sc */
|
| 1952 |
GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFFFFD, PPC_FLOW) |
| 1953 |
{
|
| 1954 |
#if defined(CONFIG_USER_ONLY)
|
| 1955 |
RET_EXCP(ctx, EXCP_SYSCALL_USER, 0);
|
| 1956 |
#else
|
| 1957 |
RET_EXCP(ctx, EXCP_SYSCALL, 0);
|
| 1958 |
#endif
|
| 1959 |
} |
| 1960 |
|
| 1961 |
/*** Trap ***/
|
| 1962 |
/* tw */
|
| 1963 |
GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW) |
| 1964 |
{
|
| 1965 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 1966 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 1967 |
/* Update the nip since this might generate a trap exception */
|
| 1968 |
gen_op_update_nip(ctx->nip); |
| 1969 |
gen_op_tw(TO(ctx->opcode)); |
| 1970 |
} |
| 1971 |
|
| 1972 |
/* twi */
|
| 1973 |
GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW) |
| 1974 |
{
|
| 1975 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 1976 |
gen_op_set_T1(SIMM(ctx->opcode)); |
| 1977 |
gen_op_tw(TO(ctx->opcode)); |
| 1978 |
} |
| 1979 |
|
| 1980 |
/*** Processor control ***/
|
| 1981 |
/* mcrxr */
|
| 1982 |
GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC) |
| 1983 |
{
|
| 1984 |
gen_op_load_xer_cr(); |
| 1985 |
gen_op_store_T0_crf(crfD(ctx->opcode)); |
| 1986 |
gen_op_clear_xer_cr(); |
| 1987 |
} |
| 1988 |
|
| 1989 |
/* mfcr */
|
| 1990 |
GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC) |
| 1991 |
{
|
| 1992 |
#if 0 // XXX: to be tested
|
| 1993 |
uint32_t crm, crn;
|
| 1994 |
|
| 1995 |
if (likely(ctx->opcode & 0x00100000)) {
|
| 1996 |
crm = CRM(ctx->opcode);
|
| 1997 |
if (likely((crm ^ (crm - 1)) == 0)) {
|
| 1998 |
crn = ffs(crm);
|
| 1999 |
gen_op_load_cro(7 - crn);
|
| 2000 |
}
|
| 2001 |
} else
|
| 2002 |
#endif
|
| 2003 |
{
|
| 2004 |
gen_op_load_cr(); |
| 2005 |
} |
| 2006 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2007 |
} |
| 2008 |
|
| 2009 |
/* mfmsr */
|
| 2010 |
GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC) |
| 2011 |
{
|
| 2012 |
#if defined(CONFIG_USER_ONLY)
|
| 2013 |
RET_PRIVREG(ctx); |
| 2014 |
#else
|
| 2015 |
if (unlikely(!ctx->supervisor)) {
|
| 2016 |
RET_PRIVREG(ctx); |
| 2017 |
return;
|
| 2018 |
} |
| 2019 |
gen_op_load_msr(); |
| 2020 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2021 |
#endif
|
| 2022 |
} |
| 2023 |
|
| 2024 |
#if 0
|
| 2025 |
#define SPR_NOACCESS ((void *)(-1))
|
| 2026 |
#else
|
| 2027 |
static void spr_noaccess (void *opaque, int sprn) |
| 2028 |
{
|
| 2029 |
sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); |
| 2030 |
printf("ERROR: try to access SPR %d !\n", sprn);
|
| 2031 |
} |
| 2032 |
#define SPR_NOACCESS (&spr_noaccess)
|
| 2033 |
#endif
|
| 2034 |
|
| 2035 |
/* mfspr */
|
| 2036 |
static inline void gen_op_mfspr (DisasContext *ctx) |
| 2037 |
{
|
| 2038 |
void (*read_cb)(void *opaque, int sprn); |
| 2039 |
uint32_t sprn = SPR(ctx->opcode); |
| 2040 |
|
| 2041 |
#if !defined(CONFIG_USER_ONLY)
|
| 2042 |
if (ctx->supervisor)
|
| 2043 |
read_cb = ctx->spr_cb[sprn].oea_read; |
| 2044 |
else
|
| 2045 |
#endif
|
| 2046 |
read_cb = ctx->spr_cb[sprn].uea_read; |
| 2047 |
if (likely(read_cb != NULL)) { |
| 2048 |
if (likely(read_cb != SPR_NOACCESS)) {
|
| 2049 |
(*read_cb)(ctx, sprn); |
| 2050 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2051 |
} else {
|
| 2052 |
/* Privilege exception */
|
| 2053 |
if (loglevel) {
|
| 2054 |
fprintf(logfile, "Trying to read priviledged spr %d %03x\n",
|
| 2055 |
sprn, sprn); |
| 2056 |
} |
| 2057 |
printf("Trying to read priviledged spr %d %03x\n", sprn, sprn);
|
| 2058 |
RET_PRIVREG(ctx); |
| 2059 |
} |
| 2060 |
} else {
|
| 2061 |
/* Not defined */
|
| 2062 |
if (loglevel) {
|
| 2063 |
fprintf(logfile, "Trying to read invalid spr %d %03x\n",
|
| 2064 |
sprn, sprn); |
| 2065 |
} |
| 2066 |
printf("Trying to read invalid spr %d %03x\n", sprn, sprn);
|
| 2067 |
RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR); |
| 2068 |
} |
| 2069 |
} |
| 2070 |
|
| 2071 |
GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC) |
| 2072 |
{
|
| 2073 |
gen_op_mfspr(ctx); |
| 2074 |
} |
| 2075 |
|
| 2076 |
/* mftb */
|
| 2077 |
GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_TB) |
| 2078 |
{
|
| 2079 |
gen_op_mfspr(ctx); |
| 2080 |
} |
| 2081 |
|
| 2082 |
/* mtcrf */
|
| 2083 |
GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC) |
| 2084 |
{
|
| 2085 |
uint32_t crm, crn; |
| 2086 |
|
| 2087 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2088 |
crm = CRM(ctx->opcode); |
| 2089 |
if (likely((ctx->opcode & 0x00100000) || (crm ^ (crm - 1)) == 0)) { |
| 2090 |
crn = ffs(crm); |
| 2091 |
gen_op_srli_T0(crn * 4);
|
| 2092 |
gen_op_andi_T0(0xF);
|
| 2093 |
gen_op_store_cro(7 - crn);
|
| 2094 |
} else {
|
| 2095 |
gen_op_store_cr(crm); |
| 2096 |
} |
| 2097 |
} |
| 2098 |
|
| 2099 |
/* mtmsr */
|
| 2100 |
GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001FF801, PPC_MISC) |
| 2101 |
{
|
| 2102 |
#if defined(CONFIG_USER_ONLY)
|
| 2103 |
RET_PRIVREG(ctx); |
| 2104 |
#else
|
| 2105 |
if (unlikely(!ctx->supervisor)) {
|
| 2106 |
RET_PRIVREG(ctx); |
| 2107 |
return;
|
| 2108 |
} |
| 2109 |
gen_op_update_nip((ctx)->nip); |
| 2110 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2111 |
gen_op_store_msr(); |
| 2112 |
/* Must stop the translation as machine state (may have) changed */
|
| 2113 |
RET_CHG_FLOW(ctx); |
| 2114 |
#endif
|
| 2115 |
} |
| 2116 |
|
| 2117 |
/* mtspr */
|
| 2118 |
GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000001, PPC_MISC) |
| 2119 |
{
|
| 2120 |
void (*write_cb)(void *opaque, int sprn); |
| 2121 |
uint32_t sprn = SPR(ctx->opcode); |
| 2122 |
|
| 2123 |
#if !defined(CONFIG_USER_ONLY)
|
| 2124 |
if (ctx->supervisor)
|
| 2125 |
write_cb = ctx->spr_cb[sprn].oea_write; |
| 2126 |
else
|
| 2127 |
#endif
|
| 2128 |
write_cb = ctx->spr_cb[sprn].uea_write; |
| 2129 |
if (likely(write_cb != NULL)) { |
| 2130 |
if (likely(write_cb != SPR_NOACCESS)) {
|
| 2131 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2132 |
(*write_cb)(ctx, sprn); |
| 2133 |
} else {
|
| 2134 |
/* Privilege exception */
|
| 2135 |
if (loglevel) {
|
| 2136 |
fprintf(logfile, "Trying to write priviledged spr %d %03x\n",
|
| 2137 |
sprn, sprn); |
| 2138 |
} |
| 2139 |
printf("Trying to write priviledged spr %d %03x\n", sprn, sprn);
|
| 2140 |
RET_PRIVREG(ctx); |
| 2141 |
} |
| 2142 |
} else {
|
| 2143 |
/* Not defined */
|
| 2144 |
if (loglevel) {
|
| 2145 |
fprintf(logfile, "Trying to write invalid spr %d %03x\n",
|
| 2146 |
sprn, sprn); |
| 2147 |
} |
| 2148 |
printf("Trying to write invalid spr %d %03x\n", sprn, sprn);
|
| 2149 |
RET_EXCP(ctx, EXCP_PROGRAM, EXCP_INVAL | EXCP_INVAL_SPR); |
| 2150 |
} |
| 2151 |
} |
| 2152 |
|
| 2153 |
/*** Cache management ***/
|
| 2154 |
/* For now, all those will be implemented as nop:
|
| 2155 |
* this is valid, regarding the PowerPC specs...
|
| 2156 |
* We just have to flush tb while invalidating instruction cache lines...
|
| 2157 |
*/
|
| 2158 |
/* dcbf */
|
| 2159 |
GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03E00001, PPC_CACHE) |
| 2160 |
{
|
| 2161 |
gen_addr_reg_index(ctx); |
| 2162 |
op_ldst(lbz); |
| 2163 |
} |
| 2164 |
|
| 2165 |
/* dcbi (Supervisor only) */
|
| 2166 |
GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE) |
| 2167 |
{
|
| 2168 |
#if defined(CONFIG_USER_ONLY)
|
| 2169 |
RET_PRIVOPC(ctx); |
| 2170 |
#else
|
| 2171 |
if (unlikely(!ctx->supervisor)) {
|
| 2172 |
RET_PRIVOPC(ctx); |
| 2173 |
return;
|
| 2174 |
} |
| 2175 |
gen_addr_reg_index(ctx); |
| 2176 |
/* XXX: specification says this should be treated as a store by the MMU */
|
| 2177 |
//op_ldst(lbz);
|
| 2178 |
op_ldst(stb); |
| 2179 |
#endif
|
| 2180 |
} |
| 2181 |
|
| 2182 |
/* dcdst */
|
| 2183 |
GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE) |
| 2184 |
{
|
| 2185 |
/* XXX: specification say this is treated as a load by the MMU */
|
| 2186 |
gen_addr_reg_index(ctx); |
| 2187 |
op_ldst(lbz); |
| 2188 |
} |
| 2189 |
|
| 2190 |
/* dcbt */
|
| 2191 |
GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x03E00001, PPC_CACHE) |
| 2192 |
{
|
| 2193 |
/* XXX: specification say this is treated as a load by the MMU
|
| 2194 |
* but does not generate any exception
|
| 2195 |
*/
|
| 2196 |
} |
| 2197 |
|
| 2198 |
/* dcbtst */
|
| 2199 |
GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x03E00001, PPC_CACHE) |
| 2200 |
{
|
| 2201 |
/* XXX: specification say this is treated as a load by the MMU
|
| 2202 |
* but does not generate any exception
|
| 2203 |
*/
|
| 2204 |
} |
| 2205 |
|
| 2206 |
/* dcbz */
|
| 2207 |
#define op_dcbz() (*gen_op_dcbz[ctx->mem_idx])()
|
| 2208 |
#if defined(CONFIG_USER_ONLY)
|
| 2209 |
static GenOpFunc *gen_op_dcbz[] = {
|
| 2210 |
&gen_op_dcbz_raw, |
| 2211 |
&gen_op_dcbz_raw, |
| 2212 |
}; |
| 2213 |
#else
|
| 2214 |
static GenOpFunc *gen_op_dcbz[] = {
|
| 2215 |
&gen_op_dcbz_user, |
| 2216 |
&gen_op_dcbz_user, |
| 2217 |
&gen_op_dcbz_kernel, |
| 2218 |
&gen_op_dcbz_kernel, |
| 2219 |
}; |
| 2220 |
#endif
|
| 2221 |
|
| 2222 |
GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03E00001, PPC_CACHE) |
| 2223 |
{
|
| 2224 |
gen_addr_reg_index(ctx); |
| 2225 |
op_dcbz(); |
| 2226 |
gen_op_check_reservation(); |
| 2227 |
} |
| 2228 |
|
| 2229 |
/* icbi */
|
| 2230 |
GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE) |
| 2231 |
{
|
| 2232 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 2233 |
gen_op_update_nip(ctx->nip - 4);
|
| 2234 |
gen_addr_reg_index(ctx); |
| 2235 |
gen_op_icbi(); |
| 2236 |
RET_STOP(ctx); |
| 2237 |
} |
| 2238 |
|
| 2239 |
/* Optional: */
|
| 2240 |
/* dcba */
|
| 2241 |
GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_OPT) |
| 2242 |
{
|
| 2243 |
} |
| 2244 |
|
| 2245 |
/*** Segment register manipulation ***/
|
| 2246 |
/* Supervisor only: */
|
| 2247 |
/* mfsr */
|
| 2248 |
GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT) |
| 2249 |
{
|
| 2250 |
#if defined(CONFIG_USER_ONLY)
|
| 2251 |
RET_PRIVREG(ctx); |
| 2252 |
#else
|
| 2253 |
if (unlikely(!ctx->supervisor)) {
|
| 2254 |
RET_PRIVREG(ctx); |
| 2255 |
return;
|
| 2256 |
} |
| 2257 |
gen_op_set_T1(SR(ctx->opcode)); |
| 2258 |
gen_op_load_sr(); |
| 2259 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2260 |
#endif
|
| 2261 |
} |
| 2262 |
|
| 2263 |
/* mfsrin */
|
| 2264 |
GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT) |
| 2265 |
{
|
| 2266 |
#if defined(CONFIG_USER_ONLY)
|
| 2267 |
RET_PRIVREG(ctx); |
| 2268 |
#else
|
| 2269 |
if (unlikely(!ctx->supervisor)) {
|
| 2270 |
RET_PRIVREG(ctx); |
| 2271 |
return;
|
| 2272 |
} |
| 2273 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2274 |
gen_op_srli_T1(28);
|
| 2275 |
gen_op_load_sr(); |
| 2276 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2277 |
#endif
|
| 2278 |
} |
| 2279 |
|
| 2280 |
/* mtsr */
|
| 2281 |
GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT) |
| 2282 |
{
|
| 2283 |
#if defined(CONFIG_USER_ONLY)
|
| 2284 |
RET_PRIVREG(ctx); |
| 2285 |
#else
|
| 2286 |
if (unlikely(!ctx->supervisor)) {
|
| 2287 |
RET_PRIVREG(ctx); |
| 2288 |
return;
|
| 2289 |
} |
| 2290 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2291 |
gen_op_set_T1(SR(ctx->opcode)); |
| 2292 |
gen_op_store_sr(); |
| 2293 |
RET_STOP(ctx); |
| 2294 |
#endif
|
| 2295 |
} |
| 2296 |
|
| 2297 |
/* mtsrin */
|
| 2298 |
GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT) |
| 2299 |
{
|
| 2300 |
#if defined(CONFIG_USER_ONLY)
|
| 2301 |
RET_PRIVREG(ctx); |
| 2302 |
#else
|
| 2303 |
if (unlikely(!ctx->supervisor)) {
|
| 2304 |
RET_PRIVREG(ctx); |
| 2305 |
return;
|
| 2306 |
} |
| 2307 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2308 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2309 |
gen_op_srli_T1(28);
|
| 2310 |
gen_op_store_sr(); |
| 2311 |
RET_STOP(ctx); |
| 2312 |
#endif
|
| 2313 |
} |
| 2314 |
|
| 2315 |
/*** Lookaside buffer management ***/
|
| 2316 |
/* Optional & supervisor only: */
|
| 2317 |
/* tlbia */
|
| 2318 |
GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA) |
| 2319 |
{
|
| 2320 |
#if defined(CONFIG_USER_ONLY)
|
| 2321 |
RET_PRIVOPC(ctx); |
| 2322 |
#else
|
| 2323 |
if (unlikely(!ctx->supervisor)) {
|
| 2324 |
if (loglevel)
|
| 2325 |
fprintf(logfile, "%s: ! supervisor\n", __func__);
|
| 2326 |
RET_PRIVOPC(ctx); |
| 2327 |
return;
|
| 2328 |
} |
| 2329 |
gen_op_tlbia(); |
| 2330 |
RET_STOP(ctx); |
| 2331 |
#endif
|
| 2332 |
} |
| 2333 |
|
| 2334 |
/* tlbie */
|
| 2335 |
GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x03FF0001, PPC_MEM_TLBIE) |
| 2336 |
{
|
| 2337 |
#if defined(CONFIG_USER_ONLY)
|
| 2338 |
RET_PRIVOPC(ctx); |
| 2339 |
#else
|
| 2340 |
if (unlikely(!ctx->supervisor)) {
|
| 2341 |
RET_PRIVOPC(ctx); |
| 2342 |
return;
|
| 2343 |
} |
| 2344 |
gen_op_load_gpr_T0(rB(ctx->opcode)); |
| 2345 |
gen_op_tlbie(); |
| 2346 |
RET_STOP(ctx); |
| 2347 |
#endif
|
| 2348 |
} |
| 2349 |
|
| 2350 |
/* tlbsync */
|
| 2351 |
GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC) |
| 2352 |
{
|
| 2353 |
#if defined(CONFIG_USER_ONLY)
|
| 2354 |
RET_PRIVOPC(ctx); |
| 2355 |
#else
|
| 2356 |
if (unlikely(!ctx->supervisor)) {
|
| 2357 |
RET_PRIVOPC(ctx); |
| 2358 |
return;
|
| 2359 |
} |
| 2360 |
/* This has no effect: it should ensure that all previous
|
| 2361 |
* tlbie have completed
|
| 2362 |
*/
|
| 2363 |
RET_STOP(ctx); |
| 2364 |
#endif
|
| 2365 |
} |
| 2366 |
|
| 2367 |
/*** External control ***/
|
| 2368 |
/* Optional: */
|
| 2369 |
#define op_eciwx() (*gen_op_eciwx[ctx->mem_idx])()
|
| 2370 |
#define op_ecowx() (*gen_op_ecowx[ctx->mem_idx])()
|
| 2371 |
#if defined(CONFIG_USER_ONLY)
|
| 2372 |
static GenOpFunc *gen_op_eciwx[] = {
|
| 2373 |
&gen_op_eciwx_raw, |
| 2374 |
&gen_op_eciwx_le_raw, |
| 2375 |
}; |
| 2376 |
static GenOpFunc *gen_op_ecowx[] = {
|
| 2377 |
&gen_op_ecowx_raw, |
| 2378 |
&gen_op_ecowx_le_raw, |
| 2379 |
}; |
| 2380 |
#else
|
| 2381 |
static GenOpFunc *gen_op_eciwx[] = {
|
| 2382 |
&gen_op_eciwx_user, |
| 2383 |
&gen_op_eciwx_le_user, |
| 2384 |
&gen_op_eciwx_kernel, |
| 2385 |
&gen_op_eciwx_le_kernel, |
| 2386 |
}; |
| 2387 |
static GenOpFunc *gen_op_ecowx[] = {
|
| 2388 |
&gen_op_ecowx_user, |
| 2389 |
&gen_op_ecowx_le_user, |
| 2390 |
&gen_op_ecowx_kernel, |
| 2391 |
&gen_op_ecowx_le_kernel, |
| 2392 |
}; |
| 2393 |
#endif
|
| 2394 |
|
| 2395 |
/* eciwx */
|
| 2396 |
GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN) |
| 2397 |
{
|
| 2398 |
/* Should check EAR[E] & alignment ! */
|
| 2399 |
gen_addr_reg_index(ctx); |
| 2400 |
op_eciwx(); |
| 2401 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2402 |
} |
| 2403 |
|
| 2404 |
/* ecowx */
|
| 2405 |
GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN) |
| 2406 |
{
|
| 2407 |
/* Should check EAR[E] & alignment ! */
|
| 2408 |
gen_addr_reg_index(ctx); |
| 2409 |
gen_op_load_gpr_T1(rS(ctx->opcode)); |
| 2410 |
op_ecowx(); |
| 2411 |
} |
| 2412 |
|
| 2413 |
/* PowerPC 601 specific instructions */
|
| 2414 |
/* abs - abs. */
|
| 2415 |
GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR) |
| 2416 |
{
|
| 2417 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2418 |
gen_op_POWER_abs(); |
| 2419 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2420 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2421 |
gen_set_Rc0(ctx); |
| 2422 |
} |
| 2423 |
|
| 2424 |
/* abso - abso. */
|
| 2425 |
GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR) |
| 2426 |
{
|
| 2427 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2428 |
gen_op_POWER_abso(); |
| 2429 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2430 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2431 |
gen_set_Rc0(ctx); |
| 2432 |
} |
| 2433 |
|
| 2434 |
/* clcs */
|
| 2435 |
GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR) /* 601 ? */ |
| 2436 |
{
|
| 2437 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2438 |
gen_op_POWER_clcs(); |
| 2439 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2440 |
} |
| 2441 |
|
| 2442 |
/* div - div. */
|
| 2443 |
GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR) |
| 2444 |
{
|
| 2445 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2446 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2447 |
gen_op_POWER_div(); |
| 2448 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2449 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2450 |
gen_set_Rc0(ctx); |
| 2451 |
} |
| 2452 |
|
| 2453 |
/* divo - divo. */
|
| 2454 |
GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR) |
| 2455 |
{
|
| 2456 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2457 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2458 |
gen_op_POWER_divo(); |
| 2459 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2460 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2461 |
gen_set_Rc0(ctx); |
| 2462 |
} |
| 2463 |
|
| 2464 |
/* divs - divs. */
|
| 2465 |
GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR) |
| 2466 |
{
|
| 2467 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2468 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2469 |
gen_op_POWER_divs(); |
| 2470 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2471 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2472 |
gen_set_Rc0(ctx); |
| 2473 |
} |
| 2474 |
|
| 2475 |
/* divso - divso. */
|
| 2476 |
GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR) |
| 2477 |
{
|
| 2478 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2479 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2480 |
gen_op_POWER_divso(); |
| 2481 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2482 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2483 |
gen_set_Rc0(ctx); |
| 2484 |
} |
| 2485 |
|
| 2486 |
/* doz - doz. */
|
| 2487 |
GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR) |
| 2488 |
{
|
| 2489 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2490 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2491 |
gen_op_POWER_doz(); |
| 2492 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2493 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2494 |
gen_set_Rc0(ctx); |
| 2495 |
} |
| 2496 |
|
| 2497 |
/* dozo - dozo. */
|
| 2498 |
GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR) |
| 2499 |
{
|
| 2500 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2501 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2502 |
gen_op_POWER_dozo(); |
| 2503 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2504 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2505 |
gen_set_Rc0(ctx); |
| 2506 |
} |
| 2507 |
|
| 2508 |
/* dozi */
|
| 2509 |
GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR) |
| 2510 |
{
|
| 2511 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2512 |
gen_op_set_T1(SIMM(ctx->opcode)); |
| 2513 |
gen_op_POWER_doz(); |
| 2514 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2515 |
} |
| 2516 |
|
| 2517 |
/* As lscbx load from memory byte after byte, it's always endian safe */
|
| 2518 |
#define op_POWER_lscbx(start, ra, rb) \
|
| 2519 |
(*gen_op_POWER_lscbx[ctx->mem_idx])(start, ra, rb) |
| 2520 |
#if defined(CONFIG_USER_ONLY)
|
| 2521 |
static GenOpFunc3 *gen_op_POWER_lscbx[] = {
|
| 2522 |
&gen_op_POWER_lscbx_raw, |
| 2523 |
&gen_op_POWER_lscbx_raw, |
| 2524 |
}; |
| 2525 |
#else
|
| 2526 |
static GenOpFunc3 *gen_op_POWER_lscbx[] = {
|
| 2527 |
&gen_op_POWER_lscbx_user, |
| 2528 |
&gen_op_POWER_lscbx_user, |
| 2529 |
&gen_op_POWER_lscbx_kernel, |
| 2530 |
&gen_op_POWER_lscbx_kernel, |
| 2531 |
}; |
| 2532 |
#endif
|
| 2533 |
|
| 2534 |
/* lscbx - lscbx. */
|
| 2535 |
GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR) |
| 2536 |
{
|
| 2537 |
int ra = rA(ctx->opcode);
|
| 2538 |
int rb = rB(ctx->opcode);
|
| 2539 |
|
| 2540 |
gen_addr_reg_index(ctx); |
| 2541 |
if (ra == 0) { |
| 2542 |
ra = rb; |
| 2543 |
} |
| 2544 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 2545 |
gen_op_update_nip(ctx->nip - 4);
|
| 2546 |
gen_op_load_xer_bc(); |
| 2547 |
gen_op_load_xer_cmp(); |
| 2548 |
op_POWER_lscbx(rD(ctx->opcode), ra, rb); |
| 2549 |
gen_op_store_xer_bc(); |
| 2550 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2551 |
gen_set_Rc0(ctx); |
| 2552 |
} |
| 2553 |
|
| 2554 |
/* maskg - maskg. */
|
| 2555 |
GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR) |
| 2556 |
{
|
| 2557 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2558 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2559 |
gen_op_POWER_maskg(); |
| 2560 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2561 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2562 |
gen_set_Rc0(ctx); |
| 2563 |
} |
| 2564 |
|
| 2565 |
/* maskir - maskir. */
|
| 2566 |
GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR) |
| 2567 |
{
|
| 2568 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2569 |
gen_op_load_gpr_T1(rS(ctx->opcode)); |
| 2570 |
gen_op_load_gpr_T2(rB(ctx->opcode)); |
| 2571 |
gen_op_POWER_maskir(); |
| 2572 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2573 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2574 |
gen_set_Rc0(ctx); |
| 2575 |
} |
| 2576 |
|
| 2577 |
/* mul - mul. */
|
| 2578 |
GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR) |
| 2579 |
{
|
| 2580 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2581 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2582 |
gen_op_POWER_mul(); |
| 2583 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2584 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2585 |
gen_set_Rc0(ctx); |
| 2586 |
} |
| 2587 |
|
| 2588 |
/* mulo - mulo. */
|
| 2589 |
GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR) |
| 2590 |
{
|
| 2591 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2592 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2593 |
gen_op_POWER_mulo(); |
| 2594 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2595 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2596 |
gen_set_Rc0(ctx); |
| 2597 |
} |
| 2598 |
|
| 2599 |
/* nabs - nabs. */
|
| 2600 |
GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR) |
| 2601 |
{
|
| 2602 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2603 |
gen_op_POWER_nabs(); |
| 2604 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2605 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2606 |
gen_set_Rc0(ctx); |
| 2607 |
} |
| 2608 |
|
| 2609 |
/* nabso - nabso. */
|
| 2610 |
GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR) |
| 2611 |
{
|
| 2612 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2613 |
gen_op_POWER_nabso(); |
| 2614 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2615 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2616 |
gen_set_Rc0(ctx); |
| 2617 |
} |
| 2618 |
|
| 2619 |
/* rlmi - rlmi. */
|
| 2620 |
GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR) |
| 2621 |
{
|
| 2622 |
uint32_t mb, me; |
| 2623 |
|
| 2624 |
mb = MB(ctx->opcode); |
| 2625 |
me = ME(ctx->opcode); |
| 2626 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2627 |
gen_op_load_gpr_T1(rA(ctx->opcode)); |
| 2628 |
gen_op_load_gpr_T2(rB(ctx->opcode)); |
| 2629 |
gen_op_POWER_rlmi(MASK(mb, me), ~MASK(mb, me)); |
| 2630 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2631 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2632 |
gen_set_Rc0(ctx); |
| 2633 |
} |
| 2634 |
|
| 2635 |
/* rrib - rrib. */
|
| 2636 |
GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR) |
| 2637 |
{
|
| 2638 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2639 |
gen_op_load_gpr_T1(rA(ctx->opcode)); |
| 2640 |
gen_op_load_gpr_T2(rB(ctx->opcode)); |
| 2641 |
gen_op_POWER_rrib(); |
| 2642 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2643 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2644 |
gen_set_Rc0(ctx); |
| 2645 |
} |
| 2646 |
|
| 2647 |
/* sle - sle. */
|
| 2648 |
GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR) |
| 2649 |
{
|
| 2650 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2651 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2652 |
gen_op_POWER_sle(); |
| 2653 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2654 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2655 |
gen_set_Rc0(ctx); |
| 2656 |
} |
| 2657 |
|
| 2658 |
/* sleq - sleq. */
|
| 2659 |
GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR) |
| 2660 |
{
|
| 2661 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2662 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2663 |
gen_op_POWER_sleq(); |
| 2664 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2665 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2666 |
gen_set_Rc0(ctx); |
| 2667 |
} |
| 2668 |
|
| 2669 |
/* sliq - sliq. */
|
| 2670 |
GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR) |
| 2671 |
{
|
| 2672 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2673 |
gen_op_set_T1(SH(ctx->opcode)); |
| 2674 |
gen_op_POWER_sle(); |
| 2675 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2676 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2677 |
gen_set_Rc0(ctx); |
| 2678 |
} |
| 2679 |
|
| 2680 |
/* slliq - slliq. */
|
| 2681 |
GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR) |
| 2682 |
{
|
| 2683 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2684 |
gen_op_set_T1(SH(ctx->opcode)); |
| 2685 |
gen_op_POWER_sleq(); |
| 2686 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2687 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2688 |
gen_set_Rc0(ctx); |
| 2689 |
} |
| 2690 |
|
| 2691 |
/* sllq - sllq. */
|
| 2692 |
GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR) |
| 2693 |
{
|
| 2694 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2695 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2696 |
gen_op_POWER_sllq(); |
| 2697 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2698 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2699 |
gen_set_Rc0(ctx); |
| 2700 |
} |
| 2701 |
|
| 2702 |
/* slq - slq. */
|
| 2703 |
GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR) |
| 2704 |
{
|
| 2705 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2706 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2707 |
gen_op_POWER_slq(); |
| 2708 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2709 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2710 |
gen_set_Rc0(ctx); |
| 2711 |
} |
| 2712 |
|
| 2713 |
/* sraiq -sraiq. */
|
| 2714 |
GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR) |
| 2715 |
{
|
| 2716 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2717 |
gen_op_set_T1(SH(ctx->opcode)); |
| 2718 |
gen_op_POWER_sraq(); |
| 2719 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2720 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2721 |
gen_set_Rc0(ctx); |
| 2722 |
} |
| 2723 |
|
| 2724 |
/* sraq - sraq. */
|
| 2725 |
GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR) |
| 2726 |
{
|
| 2727 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2728 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2729 |
gen_op_POWER_sraq(); |
| 2730 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2731 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2732 |
gen_set_Rc0(ctx); |
| 2733 |
} |
| 2734 |
|
| 2735 |
/* sre - sre. */
|
| 2736 |
GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR) |
| 2737 |
{
|
| 2738 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2739 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2740 |
gen_op_POWER_sre(); |
| 2741 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2742 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2743 |
gen_set_Rc0(ctx); |
| 2744 |
} |
| 2745 |
|
| 2746 |
/* srea - srea. */
|
| 2747 |
GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR) |
| 2748 |
{
|
| 2749 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2750 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2751 |
gen_op_POWER_srea(); |
| 2752 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2753 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2754 |
gen_set_Rc0(ctx); |
| 2755 |
} |
| 2756 |
|
| 2757 |
/* sreq */
|
| 2758 |
GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR) |
| 2759 |
{
|
| 2760 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2761 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2762 |
gen_op_POWER_sreq(); |
| 2763 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2764 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2765 |
gen_set_Rc0(ctx); |
| 2766 |
} |
| 2767 |
|
| 2768 |
/* sriq */
|
| 2769 |
GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR) |
| 2770 |
{
|
| 2771 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2772 |
gen_op_set_T1(SH(ctx->opcode)); |
| 2773 |
gen_op_POWER_srq(); |
| 2774 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2775 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2776 |
gen_set_Rc0(ctx); |
| 2777 |
} |
| 2778 |
|
| 2779 |
/* srliq */
|
| 2780 |
GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR) |
| 2781 |
{
|
| 2782 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2783 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2784 |
gen_op_set_T1(SH(ctx->opcode)); |
| 2785 |
gen_op_POWER_srlq(); |
| 2786 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2787 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2788 |
gen_set_Rc0(ctx); |
| 2789 |
} |
| 2790 |
|
| 2791 |
/* srlq */
|
| 2792 |
GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR) |
| 2793 |
{
|
| 2794 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2795 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2796 |
gen_op_POWER_srlq(); |
| 2797 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2798 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2799 |
gen_set_Rc0(ctx); |
| 2800 |
} |
| 2801 |
|
| 2802 |
/* srq */
|
| 2803 |
GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR) |
| 2804 |
{
|
| 2805 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 2806 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 2807 |
gen_op_POWER_srq(); |
| 2808 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 2809 |
if (unlikely(Rc(ctx->opcode) != 0)) |
| 2810 |
gen_set_Rc0(ctx); |
| 2811 |
} |
| 2812 |
|
| 2813 |
/* PowerPC 602 specific instructions */
|
| 2814 |
/* dsa */
|
| 2815 |
GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC) |
| 2816 |
{
|
| 2817 |
/* XXX: TODO */
|
| 2818 |
RET_INVAL(ctx); |
| 2819 |
} |
| 2820 |
|
| 2821 |
/* esa */
|
| 2822 |
GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC) |
| 2823 |
{
|
| 2824 |
/* XXX: TODO */
|
| 2825 |
RET_INVAL(ctx); |
| 2826 |
} |
| 2827 |
|
| 2828 |
/* mfrom */
|
| 2829 |
GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC) |
| 2830 |
{
|
| 2831 |
#if defined(CONFIG_USER_ONLY)
|
| 2832 |
RET_PRIVOPC(ctx); |
| 2833 |
#else
|
| 2834 |
if (unlikely(!ctx->supervisor)) {
|
| 2835 |
RET_PRIVOPC(ctx); |
| 2836 |
return;
|
| 2837 |
} |
| 2838 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 2839 |
gen_op_602_mfrom(); |
| 2840 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2841 |
#endif
|
| 2842 |
} |
| 2843 |
|
| 2844 |
/* 602 - 603 - G2 TLB management */
|
| 2845 |
/* tlbld */
|
| 2846 |
GEN_HANDLER(tlbld, 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB) |
| 2847 |
{
|
| 2848 |
#if defined(CONFIG_USER_ONLY)
|
| 2849 |
RET_PRIVOPC(ctx); |
| 2850 |
#else
|
| 2851 |
if (unlikely(!ctx->supervisor)) {
|
| 2852 |
RET_PRIVOPC(ctx); |
| 2853 |
return;
|
| 2854 |
} |
| 2855 |
gen_op_load_gpr_T0(rB(ctx->opcode)); |
| 2856 |
gen_op_6xx_tlbld(); |
| 2857 |
RET_STOP(ctx); |
| 2858 |
#endif
|
| 2859 |
} |
| 2860 |
|
| 2861 |
/* tlbli */
|
| 2862 |
GEN_HANDLER(tlbli, 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB) |
| 2863 |
{
|
| 2864 |
#if defined(CONFIG_USER_ONLY)
|
| 2865 |
RET_PRIVOPC(ctx); |
| 2866 |
#else
|
| 2867 |
if (unlikely(!ctx->supervisor)) {
|
| 2868 |
RET_PRIVOPC(ctx); |
| 2869 |
return;
|
| 2870 |
} |
| 2871 |
gen_op_load_gpr_T0(rB(ctx->opcode)); |
| 2872 |
gen_op_6xx_tlbli(); |
| 2873 |
RET_STOP(ctx); |
| 2874 |
#endif
|
| 2875 |
} |
| 2876 |
|
| 2877 |
/* POWER instructions not in PowerPC 601 */
|
| 2878 |
/* clf */
|
| 2879 |
GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER) |
| 2880 |
{
|
| 2881 |
/* Cache line flush: implemented as no-op */
|
| 2882 |
} |
| 2883 |
|
| 2884 |
/* cli */
|
| 2885 |
GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER) |
| 2886 |
{
|
| 2887 |
/* Cache line invalidate: priviledged and treated as no-op */
|
| 2888 |
#if defined(CONFIG_USER_ONLY)
|
| 2889 |
RET_PRIVOPC(ctx); |
| 2890 |
#else
|
| 2891 |
if (unlikely(!ctx->supervisor)) {
|
| 2892 |
RET_PRIVOPC(ctx); |
| 2893 |
return;
|
| 2894 |
} |
| 2895 |
#endif
|
| 2896 |
} |
| 2897 |
|
| 2898 |
/* dclst */
|
| 2899 |
GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER) |
| 2900 |
{
|
| 2901 |
/* Data cache line store: treated as no-op */
|
| 2902 |
} |
| 2903 |
|
| 2904 |
GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER) |
| 2905 |
{
|
| 2906 |
#if defined(CONFIG_USER_ONLY)
|
| 2907 |
RET_PRIVOPC(ctx); |
| 2908 |
#else
|
| 2909 |
if (unlikely(!ctx->supervisor)) {
|
| 2910 |
RET_PRIVOPC(ctx); |
| 2911 |
return;
|
| 2912 |
} |
| 2913 |
int ra = rA(ctx->opcode);
|
| 2914 |
int rd = rD(ctx->opcode);
|
| 2915 |
|
| 2916 |
gen_addr_reg_index(ctx); |
| 2917 |
gen_op_POWER_mfsri(); |
| 2918 |
gen_op_store_T0_gpr(rd); |
| 2919 |
if (ra != 0 && ra != rd) |
| 2920 |
gen_op_store_T1_gpr(ra); |
| 2921 |
#endif
|
| 2922 |
} |
| 2923 |
|
| 2924 |
GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER) |
| 2925 |
{
|
| 2926 |
#if defined(CONFIG_USER_ONLY)
|
| 2927 |
RET_PRIVOPC(ctx); |
| 2928 |
#else
|
| 2929 |
if (unlikely(!ctx->supervisor)) {
|
| 2930 |
RET_PRIVOPC(ctx); |
| 2931 |
return;
|
| 2932 |
} |
| 2933 |
gen_addr_reg_index(ctx); |
| 2934 |
gen_op_POWER_rac(); |
| 2935 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 2936 |
#endif
|
| 2937 |
} |
| 2938 |
|
| 2939 |
GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER) |
| 2940 |
{
|
| 2941 |
#if defined(CONFIG_USER_ONLY)
|
| 2942 |
RET_PRIVOPC(ctx); |
| 2943 |
#else
|
| 2944 |
if (unlikely(!ctx->supervisor)) {
|
| 2945 |
RET_PRIVOPC(ctx); |
| 2946 |
return;
|
| 2947 |
} |
| 2948 |
gen_op_POWER_rfsvc(); |
| 2949 |
RET_CHG_FLOW(ctx); |
| 2950 |
#endif
|
| 2951 |
} |
| 2952 |
|
| 2953 |
/* svc is not implemented for now */
|
| 2954 |
|
| 2955 |
/* POWER2 specific instructions */
|
| 2956 |
/* Quad manipulation (load/store two floats at a time) */
|
| 2957 |
#define op_POWER2_lfq() (*gen_op_POWER2_lfq[ctx->mem_idx])()
|
| 2958 |
#define op_POWER2_stfq() (*gen_op_POWER2_stfq[ctx->mem_idx])()
|
| 2959 |
#if defined(CONFIG_USER_ONLY)
|
| 2960 |
static GenOpFunc *gen_op_POWER2_lfq[] = {
|
| 2961 |
&gen_op_POWER2_lfq_le_raw, |
| 2962 |
&gen_op_POWER2_lfq_raw, |
| 2963 |
}; |
| 2964 |
static GenOpFunc *gen_op_POWER2_stfq[] = {
|
| 2965 |
&gen_op_POWER2_stfq_le_raw, |
| 2966 |
&gen_op_POWER2_stfq_raw, |
| 2967 |
}; |
| 2968 |
#else
|
| 2969 |
static GenOpFunc *gen_op_POWER2_lfq[] = {
|
| 2970 |
&gen_op_POWER2_lfq_le_user, |
| 2971 |
&gen_op_POWER2_lfq_user, |
| 2972 |
&gen_op_POWER2_lfq_le_kernel, |
| 2973 |
&gen_op_POWER2_lfq_kernel, |
| 2974 |
}; |
| 2975 |
static GenOpFunc *gen_op_POWER2_stfq[] = {
|
| 2976 |
&gen_op_POWER2_stfq_le_user, |
| 2977 |
&gen_op_POWER2_stfq_user, |
| 2978 |
&gen_op_POWER2_stfq_le_kernel, |
| 2979 |
&gen_op_POWER2_stfq_kernel, |
| 2980 |
}; |
| 2981 |
#endif
|
| 2982 |
|
| 2983 |
/* lfq */
|
| 2984 |
GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2) |
| 2985 |
{
|
| 2986 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 2987 |
gen_op_update_nip(ctx->nip - 4);
|
| 2988 |
gen_addr_imm_index(ctx); |
| 2989 |
op_POWER2_lfq(); |
| 2990 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); |
| 2991 |
gen_op_store_FT1_fpr(rD(ctx->opcode) + 1);
|
| 2992 |
} |
| 2993 |
|
| 2994 |
/* lfqu */
|
| 2995 |
GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2) |
| 2996 |
{
|
| 2997 |
int ra = rA(ctx->opcode);
|
| 2998 |
|
| 2999 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 3000 |
gen_op_update_nip(ctx->nip - 4);
|
| 3001 |
gen_addr_imm_index(ctx); |
| 3002 |
op_POWER2_lfq(); |
| 3003 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); |
| 3004 |
gen_op_store_FT1_fpr(rD(ctx->opcode) + 1);
|
| 3005 |
if (ra != 0) |
| 3006 |
gen_op_store_T0_gpr(ra); |
| 3007 |
} |
| 3008 |
|
| 3009 |
/* lfqux */
|
| 3010 |
GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2) |
| 3011 |
{
|
| 3012 |
int ra = rA(ctx->opcode);
|
| 3013 |
|
| 3014 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 3015 |
gen_op_update_nip(ctx->nip - 4);
|
| 3016 |
gen_addr_reg_index(ctx); |
| 3017 |
op_POWER2_lfq(); |
| 3018 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); |
| 3019 |
gen_op_store_FT1_fpr(rD(ctx->opcode) + 1);
|
| 3020 |
if (ra != 0) |
| 3021 |
gen_op_store_T0_gpr(ra); |
| 3022 |
} |
| 3023 |
|
| 3024 |
/* lfqx */
|
| 3025 |
GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2) |
| 3026 |
{
|
| 3027 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 3028 |
gen_op_update_nip(ctx->nip - 4);
|
| 3029 |
gen_addr_reg_index(ctx); |
| 3030 |
op_POWER2_lfq(); |
| 3031 |
gen_op_store_FT0_fpr(rD(ctx->opcode)); |
| 3032 |
gen_op_store_FT1_fpr(rD(ctx->opcode) + 1);
|
| 3033 |
} |
| 3034 |
|
| 3035 |
/* stfq */
|
| 3036 |
GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2) |
| 3037 |
{
|
| 3038 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 3039 |
gen_op_update_nip(ctx->nip - 4);
|
| 3040 |
gen_addr_imm_index(ctx); |
| 3041 |
gen_op_load_fpr_FT0(rS(ctx->opcode)); |
| 3042 |
gen_op_load_fpr_FT1(rS(ctx->opcode) + 1);
|
| 3043 |
op_POWER2_stfq(); |
| 3044 |
} |
| 3045 |
|
| 3046 |
/* stfqu */
|
| 3047 |
GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2) |
| 3048 |
{
|
| 3049 |
int ra = rA(ctx->opcode);
|
| 3050 |
|
| 3051 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 3052 |
gen_op_update_nip(ctx->nip - 4);
|
| 3053 |
gen_addr_imm_index(ctx); |
| 3054 |
gen_op_load_fpr_FT0(rS(ctx->opcode)); |
| 3055 |
gen_op_load_fpr_FT1(rS(ctx->opcode) + 1);
|
| 3056 |
op_POWER2_stfq(); |
| 3057 |
if (ra != 0) |
| 3058 |
gen_op_store_T0_gpr(ra); |
| 3059 |
} |
| 3060 |
|
| 3061 |
/* stfqux */
|
| 3062 |
GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2) |
| 3063 |
{
|
| 3064 |
int ra = rA(ctx->opcode);
|
| 3065 |
|
| 3066 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 3067 |
gen_op_update_nip(ctx->nip - 4);
|
| 3068 |
gen_addr_reg_index(ctx); |
| 3069 |
gen_op_load_fpr_FT0(rS(ctx->opcode)); |
| 3070 |
gen_op_load_fpr_FT1(rS(ctx->opcode) + 1);
|
| 3071 |
op_POWER2_stfq(); |
| 3072 |
if (ra != 0) |
| 3073 |
gen_op_store_T0_gpr(ra); |
| 3074 |
} |
| 3075 |
|
| 3076 |
/* stfqx */
|
| 3077 |
GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2) |
| 3078 |
{
|
| 3079 |
/* NIP cannot be restored if the memory exception comes from an helper */
|
| 3080 |
gen_op_update_nip(ctx->nip - 4);
|
| 3081 |
gen_addr_reg_index(ctx); |
| 3082 |
gen_op_load_fpr_FT0(rS(ctx->opcode)); |
| 3083 |
gen_op_load_fpr_FT1(rS(ctx->opcode) + 1);
|
| 3084 |
op_POWER2_stfq(); |
| 3085 |
} |
| 3086 |
|
| 3087 |
/* BookE specific instructions */
|
| 3088 |
GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_BOOKE) |
| 3089 |
{
|
| 3090 |
/* XXX: TODO */
|
| 3091 |
RET_INVAL(ctx); |
| 3092 |
} |
| 3093 |
|
| 3094 |
GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_BOOKE) |
| 3095 |
{
|
| 3096 |
#if defined(CONFIG_USER_ONLY)
|
| 3097 |
RET_PRIVOPC(ctx); |
| 3098 |
#else
|
| 3099 |
if (unlikely(!ctx->supervisor)) {
|
| 3100 |
RET_PRIVOPC(ctx); |
| 3101 |
return;
|
| 3102 |
} |
| 3103 |
gen_addr_reg_index(ctx); |
| 3104 |
/* Use the same micro-ops as for tlbie */
|
| 3105 |
gen_op_tlbie(); |
| 3106 |
RET_STOP(ctx); |
| 3107 |
#endif
|
| 3108 |
} |
| 3109 |
|
| 3110 |
/* All 405 MAC instructions are translated here */
|
| 3111 |
static inline void gen_405_mulladd_insn (DisasContext *ctx, int opc2, int opc3, |
| 3112 |
int ra, int rb, int rt, int Rc) |
| 3113 |
{
|
| 3114 |
gen_op_load_gpr_T0(ra); |
| 3115 |
gen_op_load_gpr_T1(rb); |
| 3116 |
switch (opc3 & 0x0D) { |
| 3117 |
case 0x05: |
| 3118 |
/* macchw - macchw. - macchwo - macchwo. */
|
| 3119 |
/* macchws - macchws. - macchwso - macchwso. */
|
| 3120 |
/* nmacchw - nmacchw. - nmacchwo - nmacchwo. */
|
| 3121 |
/* nmacchws - nmacchws. - nmacchwso - nmacchwso. */
|
| 3122 |
/* mulchw - mulchw. */
|
| 3123 |
gen_op_405_mulchw(); |
| 3124 |
break;
|
| 3125 |
case 0x04: |
| 3126 |
/* macchwu - macchwu. - macchwuo - macchwuo. */
|
| 3127 |
/* macchwsu - macchwsu. - macchwsuo - macchwsuo. */
|
| 3128 |
/* mulchwu - mulchwu. */
|
| 3129 |
gen_op_405_mulchwu(); |
| 3130 |
break;
|
| 3131 |
case 0x01: |
| 3132 |
/* machhw - machhw. - machhwo - machhwo. */
|
| 3133 |
/* machhws - machhws. - machhwso - machhwso. */
|
| 3134 |
/* nmachhw - nmachhw. - nmachhwo - nmachhwo. */
|
| 3135 |
/* nmachhws - nmachhws. - nmachhwso - nmachhwso. */
|
| 3136 |
/* mulhhw - mulhhw. */
|
| 3137 |
gen_op_405_mulhhw(); |
| 3138 |
break;
|
| 3139 |
case 0x00: |
| 3140 |
/* machhwu - machhwu. - machhwuo - machhwuo. */
|
| 3141 |
/* machhwsu - machhwsu. - machhwsuo - machhwsuo. */
|
| 3142 |
/* mulhhwu - mulhhwu. */
|
| 3143 |
gen_op_405_mulhhwu(); |
| 3144 |
break;
|
| 3145 |
case 0x0D: |
| 3146 |
/* maclhw - maclhw. - maclhwo - maclhwo. */
|
| 3147 |
/* maclhws - maclhws. - maclhwso - maclhwso. */
|
| 3148 |
/* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */
|
| 3149 |
/* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */
|
| 3150 |
/* mullhw - mullhw. */
|
| 3151 |
gen_op_405_mullhw(); |
| 3152 |
break;
|
| 3153 |
case 0x0C: |
| 3154 |
/* maclhwu - maclhwu. - maclhwuo - maclhwuo. */
|
| 3155 |
/* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */
|
| 3156 |
/* mullhwu - mullhwu. */
|
| 3157 |
gen_op_405_mullhwu(); |
| 3158 |
break;
|
| 3159 |
} |
| 3160 |
if (opc2 & 0x02) { |
| 3161 |
/* nmultiply-and-accumulate (0x0E) */
|
| 3162 |
gen_op_neg(); |
| 3163 |
} |
| 3164 |
if (opc2 & 0x04) { |
| 3165 |
/* (n)multiply-and-accumulate (0x0C - 0x0E) */
|
| 3166 |
gen_op_load_gpr_T2(rt); |
| 3167 |
gen_op_move_T1_T0(); |
| 3168 |
gen_op_405_add_T0_T2(); |
| 3169 |
} |
| 3170 |
if (opc3 & 0x10) { |
| 3171 |
/* Check overflow */
|
| 3172 |
if (opc3 & 0x01) |
| 3173 |
gen_op_405_check_ov(); |
| 3174 |
else
|
| 3175 |
gen_op_405_check_ovu(); |
| 3176 |
} |
| 3177 |
if (opc3 & 0x02) { |
| 3178 |
/* Saturate */
|
| 3179 |
if (opc3 & 0x01) |
| 3180 |
gen_op_405_check_sat(); |
| 3181 |
else
|
| 3182 |
gen_op_405_check_satu(); |
| 3183 |
} |
| 3184 |
gen_op_store_T0_gpr(rt); |
| 3185 |
if (unlikely(Rc) != 0) { |
| 3186 |
/* Update Rc0 */
|
| 3187 |
gen_set_Rc0(ctx); |
| 3188 |
} |
| 3189 |
} |
| 3190 |
|
| 3191 |
#define GEN_MAC_HANDLER(name, opc2, opc3) \
|
| 3192 |
GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC) \ |
| 3193 |
{ \
|
| 3194 |
gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \ |
| 3195 |
rD(ctx->opcode), Rc(ctx->opcode)); \ |
| 3196 |
} |
| 3197 |
|
| 3198 |
/* macchw - macchw. */
|
| 3199 |
GEN_MAC_HANDLER(macchw, 0x0C, 0x05); |
| 3200 |
/* macchwo - macchwo. */
|
| 3201 |
GEN_MAC_HANDLER(macchwo, 0x0C, 0x15); |
| 3202 |
/* macchws - macchws. */
|
| 3203 |
GEN_MAC_HANDLER(macchws, 0x0C, 0x07); |
| 3204 |
/* macchwso - macchwso. */
|
| 3205 |
GEN_MAC_HANDLER(macchwso, 0x0C, 0x17); |
| 3206 |
/* macchwsu - macchwsu. */
|
| 3207 |
GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06); |
| 3208 |
/* macchwsuo - macchwsuo. */
|
| 3209 |
GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16); |
| 3210 |
/* macchwu - macchwu. */
|
| 3211 |
GEN_MAC_HANDLER(macchwu, 0x0C, 0x04); |
| 3212 |
/* macchwuo - macchwuo. */
|
| 3213 |
GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14); |
| 3214 |
/* machhw - machhw. */
|
| 3215 |
GEN_MAC_HANDLER(machhw, 0x0C, 0x01); |
| 3216 |
/* machhwo - machhwo. */
|
| 3217 |
GEN_MAC_HANDLER(machhwo, 0x0C, 0x11); |
| 3218 |
/* machhws - machhws. */
|
| 3219 |
GEN_MAC_HANDLER(machhws, 0x0C, 0x03); |
| 3220 |
/* machhwso - machhwso. */
|
| 3221 |
GEN_MAC_HANDLER(machhwso, 0x0C, 0x13); |
| 3222 |
/* machhwsu - machhwsu. */
|
| 3223 |
GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02); |
| 3224 |
/* machhwsuo - machhwsuo. */
|
| 3225 |
GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12); |
| 3226 |
/* machhwu - machhwu. */
|
| 3227 |
GEN_MAC_HANDLER(machhwu, 0x0C, 0x00); |
| 3228 |
/* machhwuo - machhwuo. */
|
| 3229 |
GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10); |
| 3230 |
/* maclhw - maclhw. */
|
| 3231 |
GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D); |
| 3232 |
/* maclhwo - maclhwo. */
|
| 3233 |
GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D); |
| 3234 |
/* maclhws - maclhws. */
|
| 3235 |
GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F); |
| 3236 |
/* maclhwso - maclhwso. */
|
| 3237 |
GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F); |
| 3238 |
/* maclhwu - maclhwu. */
|
| 3239 |
GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C); |
| 3240 |
/* maclhwuo - maclhwuo. */
|
| 3241 |
GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C); |
| 3242 |
/* maclhwsu - maclhwsu. */
|
| 3243 |
GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E); |
| 3244 |
/* maclhwsuo - maclhwsuo. */
|
| 3245 |
GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E); |
| 3246 |
/* nmacchw - nmacchw. */
|
| 3247 |
GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05); |
| 3248 |
/* nmacchwo - nmacchwo. */
|
| 3249 |
GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15); |
| 3250 |
/* nmacchws - nmacchws. */
|
| 3251 |
GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07); |
| 3252 |
/* nmacchwso - nmacchwso. */
|
| 3253 |
GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17); |
| 3254 |
/* nmachhw - nmachhw. */
|
| 3255 |
GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01); |
| 3256 |
/* nmachhwo - nmachhwo. */
|
| 3257 |
GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11); |
| 3258 |
/* nmachhws - nmachhws. */
|
| 3259 |
GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03); |
| 3260 |
/* nmachhwso - nmachhwso. */
|
| 3261 |
GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13); |
| 3262 |
/* nmaclhw - nmaclhw. */
|
| 3263 |
GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D); |
| 3264 |
/* nmaclhwo - nmaclhwo. */
|
| 3265 |
GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D); |
| 3266 |
/* nmaclhws - nmaclhws. */
|
| 3267 |
GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F); |
| 3268 |
/* nmaclhwso - nmaclhwso. */
|
| 3269 |
GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F); |
| 3270 |
|
| 3271 |
/* mulchw - mulchw. */
|
| 3272 |
GEN_MAC_HANDLER(mulchw, 0x08, 0x05); |
| 3273 |
/* mulchwu - mulchwu. */
|
| 3274 |
GEN_MAC_HANDLER(mulchwu, 0x08, 0x04); |
| 3275 |
/* mulhhw - mulhhw. */
|
| 3276 |
GEN_MAC_HANDLER(mulhhw, 0x08, 0x01); |
| 3277 |
/* mulhhwu - mulhhwu. */
|
| 3278 |
GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00); |
| 3279 |
/* mullhw - mullhw. */
|
| 3280 |
GEN_MAC_HANDLER(mullhw, 0x08, 0x0D); |
| 3281 |
/* mullhwu - mullhwu. */
|
| 3282 |
GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C); |
| 3283 |
|
| 3284 |
/* mfdcr */
|
| 3285 |
GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_EMB_COMMON) |
| 3286 |
{
|
| 3287 |
#if defined(CONFIG_USER_ONLY)
|
| 3288 |
RET_PRIVREG(ctx); |
| 3289 |
#else
|
| 3290 |
uint32_t dcrn = SPR(ctx->opcode); |
| 3291 |
|
| 3292 |
if (unlikely(!ctx->supervisor)) {
|
| 3293 |
RET_PRIVREG(ctx); |
| 3294 |
return;
|
| 3295 |
} |
| 3296 |
gen_op_4xx_load_dcr(dcrn); |
| 3297 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 3298 |
#endif
|
| 3299 |
} |
| 3300 |
|
| 3301 |
/* mtdcr */
|
| 3302 |
GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_EMB_COMMON) |
| 3303 |
{
|
| 3304 |
#if defined(CONFIG_USER_ONLY)
|
| 3305 |
RET_PRIVREG(ctx); |
| 3306 |
#else
|
| 3307 |
uint32_t dcrn = SPR(ctx->opcode); |
| 3308 |
|
| 3309 |
if (unlikely(!ctx->supervisor)) {
|
| 3310 |
RET_PRIVREG(ctx); |
| 3311 |
return;
|
| 3312 |
} |
| 3313 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 3314 |
gen_op_4xx_store_dcr(dcrn); |
| 3315 |
#endif
|
| 3316 |
} |
| 3317 |
|
| 3318 |
/* dccci */
|
| 3319 |
GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON) |
| 3320 |
{
|
| 3321 |
#if defined(CONFIG_USER_ONLY)
|
| 3322 |
RET_PRIVOPC(ctx); |
| 3323 |
#else
|
| 3324 |
if (unlikely(!ctx->supervisor)) {
|
| 3325 |
RET_PRIVOPC(ctx); |
| 3326 |
return;
|
| 3327 |
} |
| 3328 |
/* interpreted as no-op */
|
| 3329 |
#endif
|
| 3330 |
} |
| 3331 |
|
| 3332 |
/* dcread */
|
| 3333 |
GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON) |
| 3334 |
{
|
| 3335 |
#if defined(CONFIG_USER_ONLY)
|
| 3336 |
RET_PRIVOPC(ctx); |
| 3337 |
#else
|
| 3338 |
if (unlikely(!ctx->supervisor)) {
|
| 3339 |
RET_PRIVOPC(ctx); |
| 3340 |
return;
|
| 3341 |
} |
| 3342 |
gen_addr_reg_index(ctx); |
| 3343 |
op_ldst(lwz); |
| 3344 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 3345 |
#endif
|
| 3346 |
} |
| 3347 |
|
| 3348 |
/* icbt */
|
| 3349 |
GEN_HANDLER(icbt_40x, 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_SPEC) |
| 3350 |
{
|
| 3351 |
/* interpreted as no-op */
|
| 3352 |
/* XXX: specification say this is treated as a load by the MMU
|
| 3353 |
* but does not generate any exception
|
| 3354 |
*/
|
| 3355 |
} |
| 3356 |
|
| 3357 |
/* iccci */
|
| 3358 |
GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON) |
| 3359 |
{
|
| 3360 |
#if defined(CONFIG_USER_ONLY)
|
| 3361 |
RET_PRIVOPC(ctx); |
| 3362 |
#else
|
| 3363 |
if (unlikely(!ctx->supervisor)) {
|
| 3364 |
RET_PRIVOPC(ctx); |
| 3365 |
return;
|
| 3366 |
} |
| 3367 |
/* interpreted as no-op */
|
| 3368 |
#endif
|
| 3369 |
} |
| 3370 |
|
| 3371 |
/* icread */
|
| 3372 |
GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON) |
| 3373 |
{
|
| 3374 |
#if defined(CONFIG_USER_ONLY)
|
| 3375 |
RET_PRIVOPC(ctx); |
| 3376 |
#else
|
| 3377 |
if (unlikely(!ctx->supervisor)) {
|
| 3378 |
RET_PRIVOPC(ctx); |
| 3379 |
return;
|
| 3380 |
} |
| 3381 |
/* interpreted as no-op */
|
| 3382 |
#endif
|
| 3383 |
} |
| 3384 |
|
| 3385 |
/* rfci (supervisor only) */
|
| 3386 |
GEN_HANDLER(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_EMB_COMMON) |
| 3387 |
{
|
| 3388 |
#if defined(CONFIG_USER_ONLY)
|
| 3389 |
RET_PRIVOPC(ctx); |
| 3390 |
#else
|
| 3391 |
if (unlikely(!ctx->supervisor)) {
|
| 3392 |
RET_PRIVOPC(ctx); |
| 3393 |
return;
|
| 3394 |
} |
| 3395 |
/* Restore CPU state */
|
| 3396 |
gen_op_4xx_rfci(); |
| 3397 |
RET_CHG_FLOW(ctx); |
| 3398 |
#endif
|
| 3399 |
} |
| 3400 |
|
| 3401 |
/* tlbre */
|
| 3402 |
GEN_HANDLER(tlbre, 0x1F, 0x12, 0x1D, 0x00000001, PPC_EMB_COMMON) |
| 3403 |
{
|
| 3404 |
#if defined(CONFIG_USER_ONLY)
|
| 3405 |
RET_PRIVOPC(ctx); |
| 3406 |
#else
|
| 3407 |
if (unlikely(!ctx->supervisor)) {
|
| 3408 |
RET_PRIVOPC(ctx); |
| 3409 |
return;
|
| 3410 |
} |
| 3411 |
switch (rB(ctx->opcode)) {
|
| 3412 |
case 0: |
| 3413 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 3414 |
gen_op_4xx_tlbre_hi(); |
| 3415 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 3416 |
break;
|
| 3417 |
case 1: |
| 3418 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 3419 |
gen_op_4xx_tlbre_lo(); |
| 3420 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 3421 |
break;
|
| 3422 |
default:
|
| 3423 |
RET_INVAL(ctx); |
| 3424 |
break;
|
| 3425 |
} |
| 3426 |
#endif
|
| 3427 |
} |
| 3428 |
|
| 3429 |
/* tlbsx - tlbsx. */ /* Named tlbs in BookE */ |
| 3430 |
GEN_HANDLER(tlbsx, 0x1F, 0x12, 0x1C, 0x00000000, PPC_EMB_COMMON) |
| 3431 |
{
|
| 3432 |
#if defined(CONFIG_USER_ONLY)
|
| 3433 |
RET_PRIVOPC(ctx); |
| 3434 |
#else
|
| 3435 |
if (unlikely(!ctx->supervisor)) {
|
| 3436 |
RET_PRIVOPC(ctx); |
| 3437 |
return;
|
| 3438 |
} |
| 3439 |
gen_addr_reg_index(ctx); |
| 3440 |
if (Rc(ctx->opcode))
|
| 3441 |
gen_op_4xx_tlbsx_(); |
| 3442 |
else
|
| 3443 |
gen_op_4xx_tlbsx(); |
| 3444 |
gen_op_store_T0_gpr(rD(ctx->opcode)); |
| 3445 |
#endif
|
| 3446 |
} |
| 3447 |
|
| 3448 |
/* tlbwe */
|
| 3449 |
GEN_HANDLER(tlbwe, 0x1F, 0x12, 0x1E, 0x00000001, PPC_EMB_COMMON) |
| 3450 |
{
|
| 3451 |
#if defined(CONFIG_USER_ONLY)
|
| 3452 |
RET_PRIVOPC(ctx); |
| 3453 |
#else
|
| 3454 |
if (unlikely(!ctx->supervisor)) {
|
| 3455 |
RET_PRIVOPC(ctx); |
| 3456 |
return;
|
| 3457 |
} |
| 3458 |
switch (rB(ctx->opcode)) {
|
| 3459 |
case 0: |
| 3460 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 3461 |
gen_op_load_gpr_T1(rS(ctx->opcode)); |
| 3462 |
gen_op_4xx_tlbwe_hi(); |
| 3463 |
break;
|
| 3464 |
case 1: |
| 3465 |
gen_op_load_gpr_T0(rA(ctx->opcode)); |
| 3466 |
gen_op_load_gpr_T1(rS(ctx->opcode)); |
| 3467 |
gen_op_4xx_tlbwe_lo(); |
| 3468 |
break;
|
| 3469 |
default:
|
| 3470 |
RET_INVAL(ctx); |
| 3471 |
break;
|
| 3472 |
} |
| 3473 |
#endif
|
| 3474 |
} |
| 3475 |
|
| 3476 |
/* wrtee */
|
| 3477 |
GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_EMB_COMMON) |
| 3478 |
{
|
| 3479 |
#if defined(CONFIG_USER_ONLY)
|
| 3480 |
RET_PRIVOPC(ctx); |
| 3481 |
#else
|
| 3482 |
if (unlikely(!ctx->supervisor)) {
|
| 3483 |
RET_PRIVOPC(ctx); |
| 3484 |
return;
|
| 3485 |
} |
| 3486 |
gen_op_load_gpr_T0(rD(ctx->opcode)); |
| 3487 |
gen_op_4xx_wrte(); |
| 3488 |
RET_EXCP(ctx, EXCP_MTMSR, 0);
|
| 3489 |
#endif
|
| 3490 |
} |
| 3491 |
|
| 3492 |
/* wrteei */
|
| 3493 |
GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000EFC01, PPC_EMB_COMMON) |
| 3494 |
{
|
| 3495 |
#if defined(CONFIG_USER_ONLY)
|
| 3496 |
RET_PRIVOPC(ctx); |
| 3497 |
#else
|
| 3498 |
if (unlikely(!ctx->supervisor)) {
|
| 3499 |
RET_PRIVOPC(ctx); |
| 3500 |
return;
|
| 3501 |
} |
| 3502 |
gen_op_set_T0(ctx->opcode & 0x00010000);
|
| 3503 |
gen_op_4xx_wrte(); |
| 3504 |
RET_EXCP(ctx, EXCP_MTMSR, 0);
|
| 3505 |
#endif
|
| 3506 |
} |
| 3507 |
|
| 3508 |
/* PPC 440 specific instructions */
|
| 3509 |
/* dlmzb */
|
| 3510 |
GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC) |
| 3511 |
{
|
| 3512 |
gen_op_load_gpr_T0(rS(ctx->opcode)); |
| 3513 |
gen_op_load_gpr_T1(rB(ctx->opcode)); |
| 3514 |
gen_op_440_dlmzb(); |
| 3515 |
gen_op_store_T0_gpr(rA(ctx->opcode)); |
| 3516 |
gen_op_store_xer_bc(); |
| 3517 |
if (Rc(ctx->opcode)) {
|
| 3518 |
gen_op_440_dlmzb_update_Rc(); |
| 3519 |
gen_op_store_T0_crf(0);
|
| 3520 |
} |
| 3521 |
} |
| 3522 |
|
| 3523 |
/* mbar replaces eieio on 440 */
|
| 3524 |
GEN_HANDLER(mbar, 0x1F, 0x16, 0x13, 0x001FF801, PPC_BOOKE) |
| 3525 |
{
|
| 3526 |
/* interpreted as no-op */
|
| 3527 |
} |
| 3528 |
|
| 3529 |
/* msync replaces sync on 440 */
|
| 3530 |
GEN_HANDLER(msync, 0x1F, 0x16, 0x12, 0x03FF0801, PPC_BOOKE) |
| 3531 |
{
|
| 3532 |
/* interpreted as no-op */
|
| 3533 |
} |
| 3534 |
|
| 3535 |
/* icbt */
|
| 3536 |
GEN_HANDLER(icbt_440, 0x1F, 0x16, 0x00, 0x03E00001, PPC_BOOKE) |
| 3537 |
{
|
| 3538 |
/* interpreted as no-op */
|
| 3539 |
/* XXX: specification say this is treated as a load by the MMU
|
| 3540 |
* but does not generate any exception
|
| 3541 |
*/
|
| 3542 |
} |
| 3543 |
|
| 3544 |
/* End opcode list */
|
| 3545 |
GEN_OPCODE_MARK(end); |
| 3546 |
|
| 3547 |
#include "translate_init.c" |
| 3548 |
|
| 3549 |
/*****************************************************************************/
|
| 3550 |
/* Misc PowerPC helpers */
|
| 3551 |
static inline uint32_t load_xer (CPUState *env) |
| 3552 |
{
|
| 3553 |
return (xer_so << XER_SO) |
|
| 3554 |
(xer_ov << XER_OV) | |
| 3555 |
(xer_ca << XER_CA) | |
| 3556 |
(xer_bc << XER_BC) | |
| 3557 |
(xer_cmp << XER_CMP); |
| 3558 |
} |
| 3559 |
|
| 3560 |
void cpu_dump_state(CPUState *env, FILE *f,
|
| 3561 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 3562 |
int flags)
|
| 3563 |
{
|
| 3564 |
#if defined(TARGET_PPC64) || 1 |
| 3565 |
#define FILL "" |
| 3566 |
#define RGPL 4 |
| 3567 |
#define RFPL 4 |
| 3568 |
#else
|
| 3569 |
#define FILL " " |
| 3570 |
#define RGPL 8 |
| 3571 |
#define RFPL 4 |
| 3572 |
#endif
|
| 3573 |
|
| 3574 |
int i;
|
| 3575 |
|
| 3576 |
cpu_fprintf(f, "NIP " REGX " LR " REGX " CTR " REGX "\n", |
| 3577 |
env->nip, env->lr, env->ctr); |
| 3578 |
cpu_fprintf(f, "MSR " REGX FILL " XER %08x TB %08x %08x " |
| 3579 |
#if !defined(CONFIG_USER_ONLY)
|
| 3580 |
"DECR %08x"
|
| 3581 |
#endif
|
| 3582 |
"\n",
|
| 3583 |
do_load_msr(env), load_xer(env), cpu_ppc_load_tbu(env), |
| 3584 |
cpu_ppc_load_tbl(env) |
| 3585 |
#if !defined(CONFIG_USER_ONLY)
|
| 3586 |
, cpu_ppc_load_decr(env) |
| 3587 |
#endif
|
| 3588 |
); |
| 3589 |
for (i = 0; i < 32; i++) { |
| 3590 |
if ((i & (RGPL - 1)) == 0) |
| 3591 |
cpu_fprintf(f, "GPR%02d", i);
|
| 3592 |
cpu_fprintf(f, " " REGX, env->gpr[i]);
|
| 3593 |
if ((i & (RGPL - 1)) == (RGPL - 1)) |
| 3594 |
cpu_fprintf(f, "\n");
|
| 3595 |
} |
| 3596 |
cpu_fprintf(f, "CR ");
|
| 3597 |
for (i = 0; i < 8; i++) |
| 3598 |
cpu_fprintf(f, "%01x", env->crf[i]);
|
| 3599 |
cpu_fprintf(f, " [");
|
| 3600 |
for (i = 0; i < 8; i++) { |
| 3601 |
char a = '-'; |
| 3602 |
if (env->crf[i] & 0x08) |
| 3603 |
a = 'L';
|
| 3604 |
else if (env->crf[i] & 0x04) |
| 3605 |
a = 'G';
|
| 3606 |
else if (env->crf[i] & 0x02) |
| 3607 |
a = 'E';
|
| 3608 |
cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' '); |
| 3609 |
} |
| 3610 |
cpu_fprintf(f, " ] " FILL "RES " REGX "\n", env->reserve); |
| 3611 |
for (i = 0; i < 32; i++) { |
| 3612 |
if ((i & (RFPL - 1)) == 0) |
| 3613 |
cpu_fprintf(f, "FPR%02d", i);
|
| 3614 |
cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i]));
|
| 3615 |
if ((i & (RFPL - 1)) == (RFPL - 1)) |
| 3616 |
cpu_fprintf(f, "\n");
|
| 3617 |
} |
| 3618 |
cpu_fprintf(f, "SRR0 " REGX " SRR1 " REGX " " FILL FILL FILL |
| 3619 |
"SDR1 " REGX "\n", |
| 3620 |
env->spr[SPR_SRR0], env->spr[SPR_SRR1], env->sdr1); |
| 3621 |
|
| 3622 |
#undef REGX
|
| 3623 |
#undef RGPL
|
| 3624 |
#undef RFPL
|
| 3625 |
#undef FILL
|
| 3626 |
} |
| 3627 |
|
| 3628 |
void cpu_dump_statistics (CPUState *env, FILE*f,
|
| 3629 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 3630 |
int flags)
|
| 3631 |
{
|
| 3632 |
#if defined(DO_PPC_STATISTICS)
|
| 3633 |
opc_handler_t **t1, **t2, **t3, *handler; |
| 3634 |
int op1, op2, op3;
|
| 3635 |
|
| 3636 |
t1 = env->opcodes; |
| 3637 |
for (op1 = 0; op1 < 64; op1++) { |
| 3638 |
handler = t1[op1]; |
| 3639 |
if (is_indirect_opcode(handler)) {
|
| 3640 |
t2 = ind_table(handler); |
| 3641 |
for (op2 = 0; op2 < 32; op2++) { |
| 3642 |
handler = t2[op2]; |
| 3643 |
if (is_indirect_opcode(handler)) {
|
| 3644 |
t3 = ind_table(handler); |
| 3645 |
for (op3 = 0; op3 < 32; op3++) { |
| 3646 |
handler = t3[op3]; |
| 3647 |
if (handler->count == 0) |
| 3648 |
continue;
|
| 3649 |
cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: "
|
| 3650 |
"%016llx %lld\n",
|
| 3651 |
op1, op2, op3, op1, (op3 << 5) | op2,
|
| 3652 |
handler->oname, |
| 3653 |
handler->count, handler->count); |
| 3654 |
} |
| 3655 |
} else {
|
| 3656 |
if (handler->count == 0) |
| 3657 |
continue;
|
| 3658 |
cpu_fprintf(f, "%02x %02x (%02x %04d) %16s: "
|
| 3659 |
"%016llx %lld\n",
|
| 3660 |
op1, op2, op1, op2, handler->oname, |
| 3661 |
handler->count, handler->count); |
| 3662 |
} |
| 3663 |
} |
| 3664 |
} else {
|
| 3665 |
if (handler->count == 0) |
| 3666 |
continue;
|
| 3667 |
cpu_fprintf(f, "%02x (%02x ) %16s: %016llx %lld\n",
|
| 3668 |
op1, op1, handler->oname, |
| 3669 |
handler->count, handler->count); |
| 3670 |
} |
| 3671 |
} |
| 3672 |
#endif
|
| 3673 |
} |
| 3674 |
|
| 3675 |
/*****************************************************************************/
|
| 3676 |
int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
|
| 3677 |
int search_pc)
|
| 3678 |
{
|
| 3679 |
DisasContext ctx, *ctxp = &ctx; |
| 3680 |
opc_handler_t **table, *handler; |
| 3681 |
target_ulong pc_start; |
| 3682 |
uint16_t *gen_opc_end; |
| 3683 |
int j, lj = -1; |
| 3684 |
|
| 3685 |
pc_start = tb->pc; |
| 3686 |
gen_opc_ptr = gen_opc_buf; |
| 3687 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
| 3688 |
gen_opparam_ptr = gen_opparam_buf; |
| 3689 |
nb_gen_labels = 0;
|
| 3690 |
ctx.nip = pc_start; |
| 3691 |
ctx.tb = tb; |
| 3692 |
ctx.exception = EXCP_NONE; |
| 3693 |
ctx.spr_cb = env->spr_cb; |
| 3694 |
#if defined(CONFIG_USER_ONLY)
|
| 3695 |
ctx.mem_idx = msr_le; |
| 3696 |
#else
|
| 3697 |
ctx.supervisor = 1 - msr_pr;
|
| 3698 |
ctx.mem_idx = ((1 - msr_pr) << 1) | msr_le; |
| 3699 |
#endif
|
| 3700 |
ctx.fpu_enabled = msr_fp; |
| 3701 |
ctx.singlestep_enabled = env->singlestep_enabled; |
| 3702 |
#if defined (DO_SINGLE_STEP) && 0 |
| 3703 |
/* Single step trace mode */
|
| 3704 |
msr_se = 1;
|
| 3705 |
#endif
|
| 3706 |
/* Set env in case of segfault during code fetch */
|
| 3707 |
while (ctx.exception == EXCP_NONE && gen_opc_ptr < gen_opc_end) {
|
| 3708 |
if (unlikely(env->nb_breakpoints > 0)) { |
| 3709 |
for (j = 0; j < env->nb_breakpoints; j++) { |
| 3710 |
if (env->breakpoints[j] == ctx.nip) {
|
| 3711 |
gen_op_update_nip(ctx.nip); |
| 3712 |
gen_op_debug(); |
| 3713 |
break;
|
| 3714 |
} |
| 3715 |
} |
| 3716 |
} |
| 3717 |
if (unlikely(search_pc)) {
|
| 3718 |
j = gen_opc_ptr - gen_opc_buf; |
| 3719 |
if (lj < j) {
|
| 3720 |
lj++; |
| 3721 |
while (lj < j)
|
| 3722 |
gen_opc_instr_start[lj++] = 0;
|
| 3723 |
gen_opc_pc[lj] = ctx.nip; |
| 3724 |
gen_opc_instr_start[lj] = 1;
|
| 3725 |
} |
| 3726 |
} |
| 3727 |
#if defined PPC_DEBUG_DISAS
|
| 3728 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 3729 |
fprintf(logfile, "----------------\n");
|
| 3730 |
fprintf(logfile, "nip=%08x super=%d ir=%d\n",
|
| 3731 |
ctx.nip, 1 - msr_pr, msr_ir);
|
| 3732 |
} |
| 3733 |
#endif
|
| 3734 |
ctx.opcode = ldl_code(ctx.nip); |
| 3735 |
if (msr_le) {
|
| 3736 |
ctx.opcode = ((ctx.opcode & 0xFF000000) >> 24) | |
| 3737 |
((ctx.opcode & 0x00FF0000) >> 8) | |
| 3738 |
((ctx.opcode & 0x0000FF00) << 8) | |
| 3739 |
((ctx.opcode & 0x000000FF) << 24); |
| 3740 |
} |
| 3741 |
#if defined PPC_DEBUG_DISAS
|
| 3742 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 3743 |
fprintf(logfile, "translate opcode %08x (%02x %02x %02x) (%s)\n",
|
| 3744 |
ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode), |
| 3745 |
opc3(ctx.opcode), msr_le ? "little" : "big"); |
| 3746 |
} |
| 3747 |
#endif
|
| 3748 |
ctx.nip += 4;
|
| 3749 |
table = env->opcodes; |
| 3750 |
handler = table[opc1(ctx.opcode)]; |
| 3751 |
if (is_indirect_opcode(handler)) {
|
| 3752 |
table = ind_table(handler); |
| 3753 |
handler = table[opc2(ctx.opcode)]; |
| 3754 |
if (is_indirect_opcode(handler)) {
|
| 3755 |
table = ind_table(handler); |
| 3756 |
handler = table[opc3(ctx.opcode)]; |
| 3757 |
} |
| 3758 |
} |
| 3759 |
/* Is opcode *REALLY* valid ? */
|
| 3760 |
if (unlikely(handler->handler == &gen_invalid)) {
|
| 3761 |
if (loglevel > 0) { |
| 3762 |
fprintf(logfile, "invalid/unsupported opcode: "
|
| 3763 |
"%02x - %02x - %02x (%08x) 0x%08x %d\n",
|
| 3764 |
opc1(ctx.opcode), opc2(ctx.opcode), |
| 3765 |
opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, msr_ir);
|
| 3766 |
} else {
|
| 3767 |
printf("invalid/unsupported opcode: "
|
| 3768 |
"%02x - %02x - %02x (%08x) 0x%08x %d\n",
|
| 3769 |
opc1(ctx.opcode), opc2(ctx.opcode), |
| 3770 |
opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, msr_ir);
|
| 3771 |
} |
| 3772 |
} else {
|
| 3773 |
if (unlikely((ctx.opcode & handler->inval) != 0)) { |
| 3774 |
if (loglevel > 0) { |
| 3775 |
fprintf(logfile, "invalid bits: %08x for opcode: "
|
| 3776 |
"%02x -%02x - %02x (0x%08x) (0x%08x)\n",
|
| 3777 |
ctx.opcode & handler->inval, opc1(ctx.opcode), |
| 3778 |
opc2(ctx.opcode), opc3(ctx.opcode), |
| 3779 |
ctx.opcode, ctx.nip - 4);
|
| 3780 |
} else {
|
| 3781 |
printf("invalid bits: %08x for opcode: "
|
| 3782 |
"%02x -%02x - %02x (0x%08x) (0x%08x)\n",
|
| 3783 |
ctx.opcode & handler->inval, opc1(ctx.opcode), |
| 3784 |
opc2(ctx.opcode), opc3(ctx.opcode), |
| 3785 |
ctx.opcode, ctx.nip - 4);
|
| 3786 |
} |
| 3787 |
RET_INVAL(ctxp); |
| 3788 |
break;
|
| 3789 |
} |
| 3790 |
} |
| 3791 |
(*(handler->handler))(&ctx); |
| 3792 |
#if defined(DO_PPC_STATISTICS)
|
| 3793 |
handler->count++; |
| 3794 |
#endif
|
| 3795 |
/* Check trace mode exceptions */
|
| 3796 |
if (unlikely((msr_be && ctx.exception == EXCP_BRANCH) ||
|
| 3797 |
/* Check in single step trace mode
|
| 3798 |
* we need to stop except if:
|
| 3799 |
* - rfi, trap or syscall
|
| 3800 |
* - first instruction of an exception handler
|
| 3801 |
*/
|
| 3802 |
(msr_se && (ctx.nip < 0x100 ||
|
| 3803 |
ctx.nip > 0xF00 ||
|
| 3804 |
(ctx.nip & 0xFC) != 0x04) && |
| 3805 |
ctx.exception != EXCP_SYSCALL && |
| 3806 |
ctx.exception != EXCP_SYSCALL_USER && |
| 3807 |
ctx.exception != EXCP_TRAP))) {
|
| 3808 |
RET_EXCP(ctxp, EXCP_TRACE, 0);
|
| 3809 |
} |
| 3810 |
/* if we reach a page boundary or are single stepping, stop
|
| 3811 |
* generation
|
| 3812 |
*/
|
| 3813 |
if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) || |
| 3814 |
(env->singlestep_enabled))) {
|
| 3815 |
break;
|
| 3816 |
} |
| 3817 |
#if defined (DO_SINGLE_STEP)
|
| 3818 |
break;
|
| 3819 |
#endif
|
| 3820 |
} |
| 3821 |
if (ctx.exception == EXCP_NONE) {
|
| 3822 |
gen_goto_tb(&ctx, 0, ctx.nip);
|
| 3823 |
} else if (ctx.exception != EXCP_BRANCH) { |
| 3824 |
gen_op_reset_T0(); |
| 3825 |
/* Generate the return instruction */
|
| 3826 |
gen_op_exit_tb(); |
| 3827 |
} |
| 3828 |
*gen_opc_ptr = INDEX_op_end; |
| 3829 |
if (unlikely(search_pc)) {
|
| 3830 |
j = gen_opc_ptr - gen_opc_buf; |
| 3831 |
lj++; |
| 3832 |
while (lj <= j)
|
| 3833 |
gen_opc_instr_start[lj++] = 0;
|
| 3834 |
tb->size = 0;
|
| 3835 |
} else {
|
| 3836 |
tb->size = ctx.nip - pc_start; |
| 3837 |
} |
| 3838 |
#ifdef DEBUG_DISAS
|
| 3839 |
if (loglevel & CPU_LOG_TB_CPU) {
|
| 3840 |
fprintf(logfile, "---------------- excp: %04x\n", ctx.exception);
|
| 3841 |
cpu_dump_state(env, logfile, fprintf, 0);
|
| 3842 |
} |
| 3843 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 3844 |
int flags;
|
| 3845 |
flags = msr_le; |
| 3846 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
| 3847 |
target_disas(logfile, pc_start, ctx.nip - pc_start, flags); |
| 3848 |
fprintf(logfile, "\n");
|
| 3849 |
} |
| 3850 |
if (loglevel & CPU_LOG_TB_OP) {
|
| 3851 |
fprintf(logfile, "OP:\n");
|
| 3852 |
dump_ops(gen_opc_buf, gen_opparam_buf); |
| 3853 |
fprintf(logfile, "\n");
|
| 3854 |
} |
| 3855 |
#endif
|
| 3856 |
return 0; |
| 3857 |
} |
| 3858 |
|
| 3859 |
int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
| 3860 |
{
|
| 3861 |
return gen_intermediate_code_internal(env, tb, 0); |
| 3862 |
} |
| 3863 |
|
| 3864 |
int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
| 3865 |
{
|
| 3866 |
return gen_intermediate_code_internal(env, tb, 1); |
| 3867 |
} |