Archipelago » qemu

/*

 *  Alpha emulation cpu micro-operations for qemu.

 * 

 *  Copyright (c) 2007 Jocelyn Mayer

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#define DEBUG_OP

#include "config.h"

#include "exec.h"

#include "op_helper.h"

#define REG 0

#include "op_template.h"

#define REG 1

#include "op_template.h"

#define REG 2

#include "op_template.h"

#define REG 3

#include "op_template.h"

#define REG 4

#include "op_template.h"

#define REG 5

#include "op_template.h"

#define REG 6

#include "op_template.h"

#define REG 7

#include "op_template.h"

#define REG 8

#include "op_template.h"

#define REG 9

#include "op_template.h"

#define REG 10

#include "op_template.h"

#define REG 11

#include "op_template.h"

#define REG 12

#include "op_template.h"

#define REG 13

#include "op_template.h"

#define REG 14

#include "op_template.h"

#define REG 15

#include "op_template.h"

#define REG 16

#include "op_template.h"

#define REG 17

#include "op_template.h"

#define REG 18

#include "op_template.h"

#define REG 19

#include "op_template.h"

#define REG 20

#include "op_template.h"

#define REG 21

#include "op_template.h"

#define REG 22

#include "op_template.h"

#define REG 23

#include "op_template.h"

#define REG 24

#include "op_template.h"

#define REG 25

#include "op_template.h"

#define REG 26

#include "op_template.h"

#define REG 27

#include "op_template.h"

#define REG 28

#include "op_template.h"

#define REG 29

#include "op_template.h"

#define REG 30

#include "op_template.h"

#define REG 31

#include "op_template.h"

/* Debug stuff */

void OPPROTO op_no_op (void)

{

#if !defined (DEBUG_OP)

    __asm__ __volatile__("nop" : : : "memory");

#endif

    RETURN();

}

void OPPROTO op_tb_flush (void)

{

    helper_tb_flush();

    RETURN();

}

/* Load and stores */

#define MEMSUFFIX _raw

#include "op_mem.h"

#if !defined(CONFIG_USER_ONLY)

#define MEMSUFFIX _user

#include "op_mem.h"

#define MEMSUFFIX _kernel

#include "op_mem.h"

/* Those are used for supervisor, executive and pal modes */

#define MEMSUFFIX _data

#include "op_mem.h"

#endif

/* Special operation for load and store */

void OPPROTO op_n7 (void)

{

    T0 &= ~(uint64_t)0x7;

    RETURN();

}

/* Misc */

void OPPROTO op_excp (void)

{

    helper_excp(PARAM(1), PARAM(2));

    RETURN();

}

void OPPROTO op_load_amask (void)

{

    helper_amask();

    RETURN();

}

void OPPROTO op_load_pcc (void)

{

    helper_load_pcc();

    RETURN();

}

void OPPROTO op_load_implver (void)

{

    helper_load_implver();

    RETURN();

}

void OPPROTO op_load_fpcr (void)

{

    helper_load_fpcr();

    RETURN();

}

void OPPROTO op_store_fpcr (void)

{

    helper_store_fpcr();

    RETURN();

}

void OPPROTO op_load_irf (void)

{

    helper_load_irf();

    RETURN();

}

void OPPROTO op_set_irf (void)

{

    helper_set_irf();

    RETURN();

}

void OPPROTO op_clear_irf (void)

{

    helper_clear_irf();

    RETURN();

}

void OPPROTO op_exit_tb (void)

{

    EXIT_TB();

}

/* Arithmetic */

void OPPROTO op_addq (void)

{

    T0 += T1;

    RETURN();

}

void OPPROTO op_addqv (void)

{

    helper_addqv();

    RETURN();

}

void OPPROTO op_addl (void)

{

    T0 = (int64_t)((int32_t)(T0 + T1));

    RETURN();

}

void OPPROTO op_addlv (void)

{

    helper_addlv();

    RETURN();

}

void OPPROTO op_subq (void)

{

    T0 -= T1;

    RETURN();

}

void OPPROTO op_subqv (void)

{

    helper_subqv();

    RETURN();

}

void OPPROTO op_subl (void)

{

    T0 = (int64_t)((int32_t)(T0 - T1));

    RETURN();

}

void OPPROTO op_sublv (void)

{

    helper_sublv();

    RETURN();

}

void OPPROTO op_s4 (void)

{

    T0 <<= 2;

    RETURN();

}

void OPPROTO op_s8 (void)

{

    T0 <<= 3;

    RETURN();

}

void OPPROTO op_mull (void)

{

    T0 = (int64_t)((int32_t)T0 * (int32_t)T1);

    RETURN();

}

void OPPROTO op_mullv (void)

{

    helper_mullv();

    RETURN();

}

void OPPROTO op_mulq (void)

{

    T0 *= T1;

    RETURN();

}

void OPPROTO op_mulqv (void)

{

    helper_mulqv();

    RETURN();

}

void OPPROTO op_umulh (void)

{

    helper_umulh();

    RETURN();

}

/* Logical */

void OPPROTO op_and (void)

{

    T0 &= T1;

    RETURN();

}

void OPPROTO op_bic (void)

{

    T0 &= ~T1;

    RETURN();

}

void OPPROTO op_bis (void)

{

    T0 |= T1;

    RETURN();

}

void OPPROTO op_eqv (void)

{

    T0 ^= ~T1;

    RETURN();

}

void OPPROTO op_ornot (void)

{

    T0 |= ~T1;

    RETURN();

}

void OPPROTO op_xor (void)

{

    T0 ^= T1;

    RETURN();

}

void OPPROTO op_sll (void)

{

    T0 <<= T1;

    RETURN();

}

void OPPROTO op_srl (void)

{

    T0 >>= T1;

    RETURN();

}

void OPPROTO op_sra (void)

{

    T0 = (int64_t)T0 >> T1;

    RETURN();

}

void OPPROTO op_sextb (void)

{

    T0 = (int64_t)((int8_t)T0);

    RETURN();

}

void OPPROTO op_sextw (void)

{

    T0 = (int64_t)((int16_t)T0);

    RETURN();

}

void OPPROTO op_ctpop (void)

{

    helper_ctpop();

    RETURN();

}

void OPPROTO op_ctlz (void)

{

    helper_ctlz();

    RETURN();

}

void OPPROTO op_cttz (void)

{

    helper_cttz();

    RETURN();

}

void OPPROTO op_mskbl (void)

{

    helper_mskbl();

    RETURN();

}

void OPPROTO op_extbl (void)

{

    helper_extbl();

    RETURN();

}

void OPPROTO op_insbl (void)

{

    helper_insbl();

    RETURN();

}

void OPPROTO op_mskwl (void)

{

    helper_mskwl();

    RETURN();

}

void OPPROTO op_extwl (void)

{

    helper_extwl();

    RETURN();

}

void OPPROTO op_inswl (void)

{

    helper_inswl();

    RETURN();

}

void OPPROTO op_mskll (void)

{

    helper_mskll();

    RETURN();

}

void OPPROTO op_extll (void)

{

    helper_extll();

    RETURN();

}

void OPPROTO op_insll (void)

{

    helper_insll();

    RETURN();

}

void OPPROTO op_zap (void)

{

    helper_zap();

    RETURN();

}

void OPPROTO op_zapnot (void)

{

    helper_zapnot();

    RETURN();

}

void OPPROTO op_mskql (void)

{

    helper_mskql();

    RETURN();

}

void OPPROTO op_extql (void)

{

    helper_extql();

    RETURN();

}

void OPPROTO op_insql (void)

{

    helper_insql();

    RETURN();

}

void OPPROTO op_mskwh (void)

{

    helper_mskwh();

    RETURN();

}

void OPPROTO op_inswh (void)

{

    helper_inswh();

    RETURN();

}

void OPPROTO op_extwh (void)

{

    helper_extwh();

    RETURN();

}

void OPPROTO op_msklh (void)

{

    helper_msklh();

    RETURN();

}

void OPPROTO op_inslh (void)

{

    helper_inslh();

    RETURN();

}

void OPPROTO op_extlh (void)

{

    helper_extlh();

    RETURN();

}

void OPPROTO op_mskqh (void)

{

    helper_mskqh();

    RETURN();

}

void OPPROTO op_insqh (void)

{

    helper_insqh();

    RETURN();

}

void OPPROTO op_extqh (void)

{

    helper_extqh();

    RETURN();

}

/* Tests */

void OPPROTO op_cmpult (void)

{

    if (T0 < T1)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmpule (void)

{

    if (T0 <= T1)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmpeq (void)

{

    if (T0 == T1)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmplt (void)

{

    if ((int64_t)T0 < (int64_t)T1)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmple (void)

{

    if ((int64_t)T0 <= (int64_t)T1)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmpbge (void)

{

    helper_cmpbge();

    RETURN();

}

void OPPROTO op_cmpeqz (void)

{

    if (T0 == 0)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmpnez (void)

{

    if (T0 != 0)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmpltz (void)

{

    if ((int64_t)T0 < 0)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmplez (void)

{

    if ((int64_t)T0 <= 0)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmpgtz (void)

{

    if ((int64_t)T0 > 0)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmpgez (void)

{

    if ((int64_t)T0 >= 0)

        T0 = 1;

    else

        T0 = 0;

    RETURN();

}

void OPPROTO op_cmplbs (void)

{

    T0 &= 1;

    RETURN();

}

void OPPROTO op_cmplbc (void)

{

    T0 = (~T0) & 1;

    RETURN();

}

/* Branches */

void OPPROTO op_branch (void)

{

    env->pc = T0 & ~3;

    RETURN();

}

void OPPROTO op_addq1 (void)

{

    T1 += T0;

    RETURN();

}

#if 0 // Qemu does not know how to do this...

void OPPROTO op_bcond (void)

{

    if (T0)

        env->pc = T1 & ~3;

    else

        env->pc = PARAM(1);

    RETURN();

}

#else

void OPPROTO op_bcond (void)

{

    if (T0)

        env->pc = T1 & ~3;

    else

        env->pc = ((uint64_t)PARAM(1) << 32) | (uint64_t)PARAM(2);

    RETURN();

}

#endif

#if 0 // Qemu does not know how to do this...

void OPPROTO op_update_pc (void)

{

    env->pc = PARAM(1);

    RETURN();

}

#else

void OPPROTO op_update_pc (void)

{

    env->pc = ((uint64_t)PARAM(1) << 32) | (uint64_t)PARAM(2);

    RETURN();

}

#endif

/* Optimization for 32 bits hosts architectures */

void OPPROTO op_update_pc32 (void)

{

    env->pc = (uint64_t)PARAM(1);

    RETURN();

}

/* IEEE floating point arithmetic */

/* S floating (single) */

void OPPROTO op_adds (void)

{

    FT0 = float32_add(FT0, FT1, &FP_STATUS);

    RETURN();

}

void OPPROTO op_subs (void)

{

    FT0 = float32_sub(FT0, FT1, &FP_STATUS);

    RETURN();

}

void OPPROTO op_muls (void)

{

    FT0 = float32_mul(FT0, FT1, &FP_STATUS);

    RETURN();

}

void OPPROTO op_divs (void)

{

    FT0 = float32_div(FT0, FT1, &FP_STATUS);

    RETURN();

}

void OPPROTO op_sqrts (void)

{

    helper_sqrts();

    RETURN();

}

void OPPROTO op_cpys (void)

{

    helper_cpys();

    RETURN();

}

void OPPROTO op_cpysn (void)

{

    helper_cpysn();

    RETURN();

}

void OPPROTO op_cpyse (void)

{

    helper_cpyse();

    RETURN();

}

void OPPROTO op_itofs (void)

{

    helper_itofs();

    RETURN();

}

void OPPROTO op_ftois (void)

{

    helper_ftois();

    RETURN();

}

/* T floating (double) */

void OPPROTO op_addt (void)

{

    FT0 = float64_add(FT0, FT1, &FP_STATUS);

    RETURN();

}

void OPPROTO op_subt (void)

{

    FT0 = float64_sub(FT0, FT1, &FP_STATUS);

    RETURN();

}

void OPPROTO op_mult (void)

{

    FT0 = float64_mul(FT0, FT1, &FP_STATUS);

    RETURN();

}

void OPPROTO op_divt (void)

{

    FT0 = float64_div(FT0, FT1, &FP_STATUS);

    RETURN();

}

void OPPROTO op_sqrtt (void)

{

    helper_sqrtt();

    RETURN();

}

void OPPROTO op_cmptun (void)

{

    helper_cmptun();

    RETURN();

}

void OPPROTO op_cmpteq (void)

{

    helper_cmpteq();

    RETURN();

}

void OPPROTO op_cmptle (void)

{

    helper_cmptle();

    RETURN();

}

void OPPROTO op_cmptlt (void)

{

    helper_cmptlt();

    RETURN();

}

void OPPROTO op_itoft (void)

{

    helper_itoft();

    RETURN();

}

void OPPROTO op_ftoit (void)

{

    helper_ftoit();

    RETURN();

}

/* VAX floating point arithmetic */

/* F floating */

void OPPROTO op_addf (void)

{

    helper_addf();

    RETURN();

}

void OPPROTO op_subf (void)

{

    helper_subf();

    RETURN();

}

void OPPROTO op_mulf (void)

{

    helper_mulf();

    RETURN();

}

void OPPROTO op_divf (void)

{

    helper_divf();

    RETURN();

}

void OPPROTO op_sqrtf (void)

{

    helper_sqrtf();

    RETURN();

}

void OPPROTO op_cmpfeq (void)

{

    helper_cmpfeq();

    RETURN();

}

void OPPROTO op_cmpfne (void)

{

    helper_cmpfne();

    RETURN();

}

void OPPROTO op_cmpflt (void)

{

    helper_cmpflt();

    RETURN();

}

void OPPROTO op_cmpfle (void)

{

    helper_cmpfle();

    RETURN();

}

void OPPROTO op_cmpfgt (void)

{

    helper_cmpfgt();

    RETURN();

}

void OPPROTO op_cmpfge (void)

{

    helper_cmpfge();

    RETURN();

}

void OPPROTO op_itoff (void)

{

    helper_itoff();

    RETURN();

}

/* G floating */

void OPPROTO op_addg (void)

{

    helper_addg();

    RETURN();

}

void OPPROTO op_subg (void)

{

    helper_subg();

    RETURN();

}

void OPPROTO op_mulg (void)

{

    helper_mulg();

    RETURN();

}