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suppressed use of gen_multi - use intermediate FT0 register for floats - use T0 temporary for fpscr update - use PARAM1 for spr access - added untested single load/store support 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@473 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-11-23 16:58:08 +00:00
parent 79aceca54a
commit 28b6751f30
5 changed files with 385 additions and 227 deletions
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1
target-ppc/cpu.h
View File

@ -172,6 +172,7 @@ typedef struct CPUPPCState {
uint32_t exception;
/* qemu dedicated */
uint64_t ft0; /* temporary float register */
int interrupt_request;
jmp_buf jmp_env;
int exception_index;

236
target-ppc/op.c
View File

@ -22,20 +22,110 @@
#include "exec.h"
#define regs (env)
extern uint32_t __a;
extern uint32_t __b;
extern uint32_t __c;
extern uint32_t __d;
extern uint32_t __e;
extern uint32_t __f;
#define Ts0 (int32_t)T0
#define Ts1 (int32_t)T1
#define Ts2 (int32_t)T2
#include "op-multi.c"
#define FT0 (env->ft0)
#define PPC_OP(name) void op_##name(void)
#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"
/* PPC state maintenance operations */
/* set_Rc0 */
PPC_OP(set_Rc0)
@ -1114,3 +1204,135 @@ PPC_OP(stswx)
do_stsw(PARAM(1), T0, T1 + T2);
RETURN();
}
/* SPR */
PPC_OP(load_spr)
{
T0 = regs->spr[PARAM(1)];
}
PPC_OP(store_spr)
{
regs->spr[PARAM(1)] = T0;
}
/* FPSCR */
PPC_OP(load_fpscr)
{
T0 = do_load_fpscr();
}
PPC_OP(store_fpscr)
{
do_store_fpscr(PARAM(1), T0);
}
/*** Floating-point store ***/
static inline uint32_t dtos(uint64_t f)
{
unsigned int e, m, s;
e = (((f >> 52) & 0x7ff) - 1022) + 126;
s = (f >> 63);
m = (f >> 29);
return (s << 31) | (e << 23) | m;
}
static inline uint64_t stod(uint32_t f)
{
unsigned int e, m, s;
e = ((f >> 23) & 0xff) - 126 + 1022;
s = f >> 31;
m = f & ((1 << 23) - 1);
return ((uint64_t)s << 63) | ((uint64_t)e << 52) | ((uint64_t)m << 29);
}
PPC_OP(stfd_z_FT0)
{
st64(SPARAM(1), FT0);
}
PPC_OP(stfd_FT0)
{
T0 += SPARAM(1);
st64(T0, FT0);
}
PPC_OP(stfdx_z_FT0)
{
st64(T0, FT0);
}
PPC_OP(stfdx_FT0)
{
T0 += T1;
st64(T0, FT0);
}
PPC_OP(stfs_z_FT0)
{
st32(SPARAM(1), dtos(FT0));
}
PPC_OP(stfs_FT0)
{
T0 += SPARAM(1);
st32(T0, dtos(FT0));
}
PPC_OP(stfsx_z_FT0)
{
st32(T0, dtos(FT0));
}
PPC_OP(stfsx_FT0)
{
T0 += T1;
st32(T0, dtos(FT0));
}
/*** Floating-point load ***/
PPC_OP(lfd_z_FT0)
{
FT0 = ld64(SPARAM(1));
}
PPC_OP(lfd_FT0)
{
T0 += SPARAM(1);
FT0 = ld64(T0);
}
PPC_OP(lfdx_z_FT0)
{
FT0 = ld64(T0);
}
PPC_OP(lfdx_FT0)
{
T0 += T1;
FT0 = ld64(T0);
}
PPC_OP(lfs_z_FT0)
{
FT0 = stod(ld32(SPARAM(1)));
}
PPC_OP(lfs_FT0)
{
T0 += SPARAM(1);
FT0 = stod(ld32(T0));
}
PPC_OP(lfsx_z_FT0)
{
FT0 = stod(ld32(T0));
}
PPC_OP(lfsx_FT0)
{
T0 += T1;
FT0 = stod(ld32(T0));
}

197
target-ppc/op.tpl
View File

@ -1,197 +0,0 @@
/*
* PPC emulation micro-operations for qemu.
*
* Copyright (c) 2003 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
*/
/* Host registers definitions */
$DEFH T 3
/* PPC registers definitions */
$DEF gpr 32
$DEF fpr 32
$DEF crf 8
$DEF spr 1024
/* PPC registers <-> host registers move */
/* GPR */
$OP load_gpr_T0 gpr
{
T0 = regs->gpra;
RETURN();
}
$ENDOP
$OP load_gpr_T1 gpr
{
T1 = regs->gpra;
RETURN();
}
$ENDOP
$OP load_gpr_T2 gpr
{
T2 = regs->gpra;
RETURN();
}
$ENDOP
$OP store_T0_gpr gpr
{
regs->gpra = T0;
RETURN();
}
$ENDOP
$OP store_T1_gpr gpr
{
regs->gpra = T1;
RETURN();
}
$ENDOP
$OP store_gpr_P gpr PARAM
{
regs->gpra = PARAM(1);
RETURN();
}
$ENDOP
/* crf */
$OP load_crf_T0 crf
{
T0 = regs->crfa;
RETURN();
}
$ENDOP
$OP load_crf_T1 crf
{
T1 = regs->crfa;
RETURN();
}
$ENDOP
$OP store_T0_crf crf
{
regs->crfa = T0;
RETURN();
}
$ENDOP
$OP store_T1_crf crf
{
regs->crfa = T1;
RETURN();
}
$ENDOP
/* SPR */
$OP load_spr spr
{
T0 = regs->spra;
RETURN();
}
$ENDOP
$OP store_spr spr
{
regs->spra = T0;
RETURN();
}
$ENDOP
/* FPSCR */
$OP load_fpscr fpr
{
regs->fpra = do_load_fpscr();
RETURN();
}
$ENDOP
$OP store_fpscr fpr PARAM
{
do_store_fpscr(PARAM(1), regs->fpra);
RETURN();
}
$ENDOP
/*** Floating-point store ***/
/* candidate for helper (too long on x86 host) */
$OP stfd_z fpr PARAM
{
st64(SPARAM(1), regs->fpra);
RETURN();
}
$ENDOP
/* candidate for helper (too long on x86 host) */
$OP stfd fpr PARAM
{
T0 += SPARAM(1);
st64(T0, regs->fpra);
RETURN();
}
$ENDOP
/* candidate for helper (too long on x86 host) */
$OP stfdx_z fpr
{
st64(T0, regs->fpra);
RETURN();
}
$ENDOP
/* candidate for helper (too long on x86 host) */
$OP stfdx fpr
{
T0 += T1;
st64(T0, regs->fpra);
RETURN();
}
$ENDOP
/* candidate for helper (too long on x86 host) */
$OP lfd_z fpr PARAM
{
regs->fpra = ld64(SPARAM(1));
RETURN();
}
$ENDOP
/* candidate for helper (too long) */
$OP lfd fpr PARAM
{
T0 += SPARAM(1);
regs->fpra = ld64(T0);
RETURN();
}
$ENDOP
$OP lfdx_z fpr
{
regs->fpra = ld64(T0);
RETURN();
}
$ENDOP
$OP lfdx fpr
{
T0 += T1;
regs->fpra = ld64(T0);
RETURN();
}
$ENDOP
/*****************************************************************************/

87
target-ppc/op_template.h Normal file
View File

@ -0,0 +1,87 @@
/*
* PPC emulation micro-operations for qemu.
*
* Copyright (c) 2003 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
*/
void OPPROTO glue(op_load_gpr_T0_gpr, REG)(void)
{
T0 = regs->gpr[REG];
}
void OPPROTO glue(op_load_gpr_T1_gpr, REG)(void)
{
T1 = regs->gpr[REG];
}
void OPPROTO glue(op_load_gpr_T2_gpr, REG)(void)
{
T2 = regs->gpr[REG];
}
void OPPROTO glue(op_store_T0_gpr_gpr, REG)(void)
{
regs->gpr[REG] = T0;
}
void OPPROTO glue(op_store_T1_gpr_gpr, REG)(void)
{
regs->gpr[REG] = T1;
}
void OPPROTO glue(op_store_T2_gpr_gpr, REG)(void)
{
regs->gpr[REG] = T2;
}
#if REG <= 7
void OPPROTO glue(op_load_crf_T0_crf, REG)(void)
{
T0 = regs->crf[REG];
}
void OPPROTO glue(op_load_crf_T1_crf, REG)(void)
{
T1 = regs->crf[REG];
}
void OPPROTO glue(op_store_T0_crf_crf, REG)(void)
{
regs->crf[REG] = T0;
}
void OPPROTO glue(op_store_T1_crf_crf, REG)(void)
{
regs->crf[REG] = T1;
}
#endif /* REG <= 7 */
/* float moves */
void OPPROTO glue(op_load_FT0_fpr, REG)(void)
{
FT0 = env->fpr[REG];
}
void OPPROTO glue(op_store_FT0_fpr, REG)(void)
{
env->fpr[REG] = FT0;
}
#undef REG

91
target-ppc/translate.c
View File

@ -36,7 +36,50 @@ static uint16_t *gen_opc_ptr;
static uint32_t *gen_opparam_ptr;
#include "gen-op.h"
#include "select.h"
typedef void (GenOpFunc)(void);
#define GEN8(func, NAME) \
static GenOpFunc *NAME ## _table [8] = {\
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3,\
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7,\
};\
static inline void func(int n)\
{\
NAME ## _table[n]();\
}
#define GEN32(func, NAME) \
static GenOpFunc *NAME ## _table [32] = {\
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3,\
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7,\
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11,\
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15,\
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19,\
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23,\
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27,\
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31,\
};\
static inline void func(int n)\
{\
NAME ## _table[n]();\
}
GEN8(gen_op_load_crf_T0, gen_op_load_crf_T0_crf)
GEN8(gen_op_load_crf_T1, gen_op_load_crf_T1_crf)
GEN8(gen_op_store_T0_crf, gen_op_store_T0_crf_crf)
GEN8(gen_op_store_T1_crf, gen_op_store_T1_crf_crf)
GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr)
GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr)
GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr)
GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr)
GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr)
GEN32(gen_op_store_T2_gpr, gen_op_store_T2_gpr_gpr)
GEN32(gen_op_load_FT0_fpr, gen_op_load_FT0_fpr)
GEN32(gen_op_store_FT0_fpr, gen_op_store_FT0_fpr)
static uint8_t spr_access[1024 / 2];
@ -810,7 +853,8 @@ GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT)
/* mffs */
GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT)
{
gen_op_load_fpscr(rD(ctx->opcode));
gen_op_load_fpscr();
gen_op_store_T0_gpr(rD(ctx->opcode));
if (Rc(ctx->opcode)) {
/* Update CR1 */
}
@ -832,7 +876,8 @@ GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT)
/* mtfsf */
GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x02010000, PPC_FLOAT)
{
gen_op_store_fpscr(FM(ctx->opcode), rB(ctx->opcode));
gen_op_load_gpr_T0(rB(ctx->opcode));
gen_op_store_fpscr(FM(ctx->opcode));
if (Rc(ctx->opcode)) {
/* Update CR1 */
}
@ -1182,11 +1227,12 @@ GEN_HANDLER(lf##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \
{ \
uint32_t simm = SIMM(ctx->opcode); \
if (rA(ctx->opcode) == 0) { \
gen_op_lf##width##_z(simm, rD(ctx->opcode)); \
gen_op_lf##width##_z_FT0(simm); \
} else { \
gen_op_load_gpr_T0(rA(ctx->opcode)); \
gen_op_lf##width(simm, rD(ctx->opcode)); \
gen_op_lf##width##_FT0(simm); \
} \
gen_op_store_FT0_fpr(rD(ctx->opcode));\
SET_RETVAL(0); \
}
@ -1197,7 +1243,8 @@ GEN_HANDLER(lf##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \
rA(ctx->opcode) == rD(ctx->opcode)) \
SET_RETVAL(EXCP_INVAL); \
gen_op_load_gpr_T0(rA(ctx->opcode)); \
gen_op_lf##width(SIMM(ctx->opcode), rD(ctx->opcode)); \
gen_op_lf##width##_FT0(SIMM(ctx->opcode)); \
gen_op_store_FT0_fpr(rD(ctx->opcode));\
gen_op_store_T0_gpr(rA(ctx->opcode)); \
SET_RETVAL(0); \
}
@ -1210,7 +1257,8 @@ GEN_HANDLER(lf##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \
SET_RETVAL(EXCP_INVAL); \
gen_op_load_gpr_T0(rA(ctx->opcode)); \
gen_op_load_gpr_T1(rB(ctx->opcode)); \
gen_op_lf##width##x(rD(ctx->opcode)); \
gen_op_lf##width##x_FT0(); \
gen_op_store_FT0_fpr(rD(ctx->opcode));\
gen_op_store_T0_gpr(rA(ctx->opcode)); \
SET_RETVAL(0); \
}
@ -1220,12 +1268,13 @@ GEN_HANDLER(lf##width##x, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \
{ \
if (rA(ctx->opcode) == 0) { \
gen_op_load_gpr_T0(rB(ctx->opcode)); \
gen_op_lf##width##x_z(rD(ctx->opcode)); \
gen_op_lf##width##x_z_FT0(); \
} else { \
gen_op_load_gpr_T0(rA(ctx->opcode)); \
gen_op_load_gpr_T1(rB(ctx->opcode)); \
gen_op_lf##width##x(rD(ctx->opcode)); \
gen_op_lf##width##x_FT0(); \
} \
gen_op_store_FT0_fpr(rD(ctx->opcode));\
SET_RETVAL(0); \
}
@ -1238,10 +1287,6 @@ GEN_LFX(width, opc | 0x00)
/* lfd lfdu lfdux lfdx */
GEN_LDF(d, 0x12);
/* lfs lfsu lfsux lfsx */
#define gen_op_lfs_z(a, b)
#define gen_op_lfs(a, b)
#define gen_op_lfsx_z(a)
#define gen_op_lfsx(a)
GEN_LDF(s, 0x10);
/*** Floating-point store ***/
@ -1249,11 +1294,12 @@ GEN_LDF(s, 0x10);
GEN_HANDLER(stf##width, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \
{ \
uint32_t simm = SIMM(ctx->opcode); \
gen_op_load_FT0_fpr(rS(ctx->opcode));\
if (rA(ctx->opcode) == 0) { \
gen_op_stf##width##_z(simm, rS(ctx->opcode)); \
gen_op_stf##width##_z_FT0(simm); \
} else { \
gen_op_load_gpr_T0(rA(ctx->opcode)); \
gen_op_stf##width(simm, rS(ctx->opcode)); \
gen_op_stf##width##_FT0(simm); \
} \
SET_RETVAL(0); \
}
@ -1264,7 +1310,8 @@ GEN_HANDLER(stf##width##u, opc, 0xFF, 0xFF, 0x00000000, PPC_FLOAT) \
if (rA(ctx->opcode) == 0) \
SET_RETVAL(EXCP_INVAL); \
gen_op_load_gpr_T0(rA(ctx->opcode)); \
gen_op_stf##width(SIMM(ctx->opcode), rS(ctx->opcode)); \
gen_op_load_FT0_fpr(rS(ctx->opcode));\
gen_op_stf##width##_FT0(SIMM(ctx->opcode)); \
gen_op_store_T0_gpr(rA(ctx->opcode)); \
SET_RETVAL(0); \
}
@ -1276,7 +1323,8 @@ GEN_HANDLER(stf##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \
SET_RETVAL(EXCP_INVAL); \
gen_op_load_gpr_T0(rA(ctx->opcode)); \
gen_op_load_gpr_T1(rB(ctx->opcode)); \
gen_op_stf##width##x(rS(ctx->opcode)); \
gen_op_load_FT0_fpr(rS(ctx->opcode));\
gen_op_stf##width##x_FT0(); \
gen_op_store_T0_gpr(rA(ctx->opcode)); \
SET_RETVAL(0); \
}
@ -1284,13 +1332,14 @@ GEN_HANDLER(stf##width##ux, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \
#define GEN_STFX(width, opc) \
GEN_HANDLER(stf##width##x, 0x1F, 0x17, opc, 0x00000001, PPC_FLOAT) \
{ \
gen_op_load_FT0_fpr(rS(ctx->opcode));\
if (rA(ctx->opcode) == 0) { \
gen_op_load_gpr_T0(rB(ctx->opcode)); \
gen_op_stf##width##x_z(rS(ctx->opcode)); \
gen_op_stf##width##x_z_FT0(); \
} else { \
gen_op_load_gpr_T0(rA(ctx->opcode)); \
gen_op_load_gpr_T1(rB(ctx->opcode)); \
gen_op_stf##width##x(rS(ctx->opcode)); \
gen_op_stf##width##x_FT0(); \
} \
SET_RETVAL(0); \
}
@ -1304,10 +1353,6 @@ GEN_STFX(width, opc | 0x00)
/* stfd stfdu stfdux stfdx */
GEN_STOF(d, 0x16);
/* stfs stfsu stfsux stfsx */
#define gen_op_stfs_z(a, b)
#define gen_op_stfs(a, b)
#define gen_op_stfsx_z(a)
#define gen_op_stfsx(a)
GEN_STOF(s, 0x14);
/* Optional: */