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377a43b6fb
xemu/target-alpha/translate.c
Richard Henderson 377a43b6fb target-alpha: Rewrite gen_ext_[hl] in terms of zapnot. 
The architecture manual specifies the EXT instructions
in terms of the ZAPNOT operation; writing it that way in
the translator makes things a bit clearer.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-13 21:26:26 +01:00

2605 lines
78 KiB
C
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/*
* Alpha emulation cpu translation 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include "cpu.h"
#include "exec-all.h"
#include "disas.h"
#include "host-utils.h"
#include "tcg-op.h"
#include "qemu-common.h"
#include "helper.h"
#define GEN_HELPER 1
#include "helper.h"
#undef ALPHA_DEBUG_DISAS
#ifdef ALPHA_DEBUG_DISAS
# define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
#else
# define LOG_DISAS(...) do { } while (0)
#endif
typedef struct DisasContext DisasContext;
struct DisasContext {
uint64_t pc;
int mem_idx;
#if !defined (CONFIG_USER_ONLY)
int pal_mode;
#endif
CPUAlphaState *env;
uint32_t amask;
};
/* global register indexes */
static TCGv_ptr cpu_env;
static TCGv cpu_ir[31];
static TCGv cpu_fir[31];
static TCGv cpu_pc;
static TCGv cpu_lock;
/* register names */
static char cpu_reg_names[10*4+21*5 + 10*5+21*6];
#include "gen-icount.h"
static void alpha_translate_init(void)
{
int i;
char *p;
static int done_init = 0;
if (done_init)
return;
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
p = cpu_reg_names;
for (i = 0; i < 31; i++) {
sprintf(p, "ir%d", i);
cpu_ir[i] = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, ir[i]), p);
p += (i < 10) ? 4 : 5;
sprintf(p, "fir%d", i);
cpu_fir[i] = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, fir[i]), p);
p += (i < 10) ? 5 : 6;
}
cpu_pc = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, pc), "pc");
cpu_lock = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, lock), "lock");
/* register helpers */
#define GEN_HELPER 2
#include "helper.h"
done_init = 1;
}
static inline void gen_excp(DisasContext *ctx, int exception, int error_code)
{
TCGv_i32 tmp1, tmp2;
tcg_gen_movi_i64(cpu_pc, ctx->pc);
tmp1 = tcg_const_i32(exception);
tmp2 = tcg_const_i32(error_code);
gen_helper_excp(tmp1, tmp2);
tcg_temp_free_i32(tmp2);
tcg_temp_free_i32(tmp1);
}
static inline void gen_invalid(DisasContext *ctx)
{
gen_excp(ctx, EXCP_OPCDEC, 0);
}
static inline void gen_qemu_ldf(TCGv t0, TCGv t1, int flags)
{
TCGv tmp = tcg_temp_new();
TCGv_i32 tmp32 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, t1, flags);
tcg_gen_trunc_i64_i32(tmp32, tmp);
gen_helper_memory_to_f(t0, tmp32);
tcg_temp_free_i32(tmp32);
tcg_temp_free(tmp);
}
static inline void gen_qemu_ldg(TCGv t0, TCGv t1, int flags)
{
TCGv tmp = tcg_temp_new();
tcg_gen_qemu_ld64(tmp, t1, flags);
gen_helper_memory_to_g(t0, tmp);
tcg_temp_free(tmp);
}
static inline void gen_qemu_lds(TCGv t0, TCGv t1, int flags)
{
TCGv tmp = tcg_temp_new();
TCGv_i32 tmp32 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, t1, flags);
tcg_gen_trunc_i64_i32(tmp32, tmp);
gen_helper_memory_to_s(t0, tmp32);
tcg_temp_free_i32(tmp32);
tcg_temp_free(tmp);
}
static inline void gen_qemu_ldl_l(TCGv t0, TCGv t1, int flags)
{
tcg_gen_mov_i64(cpu_lock, t1);
tcg_gen_qemu_ld32s(t0, t1, flags);
}
static inline void gen_qemu_ldq_l(TCGv t0, TCGv t1, int flags)
{
tcg_gen_mov_i64(cpu_lock, t1);
tcg_gen_qemu_ld64(t0, t1, flags);
}
static inline void gen_load_mem(DisasContext *ctx,
void (*tcg_gen_qemu_load)(TCGv t0, TCGv t1,
int flags),
int ra, int rb, int32_t disp16, int fp,
int clear)
{
TCGv addr;
if (unlikely(ra == 31))
return;
addr = tcg_temp_new();
if (rb != 31) {
tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
if (clear)
tcg_gen_andi_i64(addr, addr, ~0x7);
} else {
if (clear)
disp16 &= ~0x7;
tcg_gen_movi_i64(addr, disp16);
}
if (fp)
tcg_gen_qemu_load(cpu_fir[ra], addr, ctx->mem_idx);
else
tcg_gen_qemu_load(cpu_ir[ra], addr, ctx->mem_idx);
tcg_temp_free(addr);
}
static inline void gen_qemu_stf(TCGv t0, TCGv t1, int flags)
{
TCGv_i32 tmp32 = tcg_temp_new_i32();
TCGv tmp = tcg_temp_new();
gen_helper_f_to_memory(tmp32, t0);
tcg_gen_extu_i32_i64(tmp, tmp32);
tcg_gen_qemu_st32(tmp, t1, flags);
tcg_temp_free(tmp);
tcg_temp_free_i32(tmp32);
}
static inline void gen_qemu_stg(TCGv t0, TCGv t1, int flags)
{
TCGv tmp = tcg_temp_new();
gen_helper_g_to_memory(tmp, t0);
tcg_gen_qemu_st64(tmp, t1, flags);
tcg_temp_free(tmp);
}
static inline void gen_qemu_sts(TCGv t0, TCGv t1, int flags)
{
TCGv_i32 tmp32 = tcg_temp_new_i32();
TCGv tmp = tcg_temp_new();
gen_helper_s_to_memory(tmp32, t0);
tcg_gen_extu_i32_i64(tmp, tmp32);
tcg_gen_qemu_st32(tmp, t1, flags);
tcg_temp_free(tmp);
tcg_temp_free_i32(tmp32);
}
static inline void gen_qemu_stl_c(TCGv t0, TCGv t1, int flags)
{
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
tcg_gen_brcond_i64(TCG_COND_NE, cpu_lock, t1, l1);
tcg_gen_qemu_st32(t0, t1, flags);
tcg_gen_movi_i64(t0, 1);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_i64(t0, 0);
gen_set_label(l2);
tcg_gen_movi_i64(cpu_lock, -1);
}
static inline void gen_qemu_stq_c(TCGv t0, TCGv t1, int flags)
{
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
tcg_gen_brcond_i64(TCG_COND_NE, cpu_lock, t1, l1);
tcg_gen_qemu_st64(t0, t1, flags);
tcg_gen_movi_i64(t0, 1);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_i64(t0, 0);
gen_set_label(l2);
tcg_gen_movi_i64(cpu_lock, -1);
}
static inline void gen_store_mem(DisasContext *ctx,
void (*tcg_gen_qemu_store)(TCGv t0, TCGv t1,
int flags),
int ra, int rb, int32_t disp16, int fp,
int clear, int local)
{
TCGv addr;
if (local)
addr = tcg_temp_local_new();
else
addr = tcg_temp_new();
if (rb != 31) {
tcg_gen_addi_i64(addr, cpu_ir[rb], disp16);
if (clear)
tcg_gen_andi_i64(addr, addr, ~0x7);
} else {
if (clear)
disp16 &= ~0x7;
tcg_gen_movi_i64(addr, disp16);
}
if (ra != 31) {
if (fp)
tcg_gen_qemu_store(cpu_fir[ra], addr, ctx->mem_idx);
else
tcg_gen_qemu_store(cpu_ir[ra], addr, ctx->mem_idx);
} else {
TCGv zero;
if (local)
zero = tcg_const_local_i64(0);
else
zero = tcg_const_i64(0);
tcg_gen_qemu_store(zero, addr, ctx->mem_idx);
tcg_temp_free(zero);
}
tcg_temp_free(addr);
}
static inline void gen_bcond(DisasContext *ctx, TCGCond cond, int ra,
int32_t disp, int mask)
{
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
if (likely(ra != 31)) {
if (mask) {
TCGv tmp = tcg_temp_new();
tcg_gen_andi_i64(tmp, cpu_ir[ra], 1);
tcg_gen_brcondi_i64(cond, tmp, 0, l1);
tcg_temp_free(tmp);
} else
tcg_gen_brcondi_i64(cond, cpu_ir[ra], 0, l1);
} else {
/* Very uncommon case - Do not bother to optimize. */
TCGv tmp = tcg_const_i64(0);
tcg_gen_brcondi_i64(cond, tmp, 0, l1);
tcg_temp_free(tmp);
}
tcg_gen_movi_i64(cpu_pc, ctx->pc);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp << 2));
gen_set_label(l2);
}
static inline void gen_fbcond(DisasContext *ctx, int opc, int ra,
int32_t disp16)
{
int l1, l2;
TCGv tmp;
TCGv src;
l1 = gen_new_label();
l2 = gen_new_label();
if (ra != 31) {
tmp = tcg_temp_new();
src = cpu_fir[ra];
} else {
tmp = tcg_const_i64(0);
src = tmp;
}
switch (opc) {
case 0x31: /* FBEQ */
gen_helper_cmpfeq(tmp, src);
break;
case 0x32: /* FBLT */
gen_helper_cmpflt(tmp, src);
break;
case 0x33: /* FBLE */
gen_helper_cmpfle(tmp, src);
break;
case 0x35: /* FBNE */
gen_helper_cmpfne(tmp, src);
break;
case 0x36: /* FBGE */
gen_helper_cmpfge(tmp, src);
break;
case 0x37: /* FBGT */
gen_helper_cmpfgt(tmp, src);
break;
default:
abort();
}
tcg_gen_brcondi_i64(TCG_COND_NE, tmp, 0, l1);
tcg_gen_movi_i64(cpu_pc, ctx->pc);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp16 << 2));
gen_set_label(l2);
}
static inline void gen_cmov(TCGCond inv_cond, int ra, int rb, int rc,
int islit, uint8_t lit, int mask)
{
int l1;
if (unlikely(rc == 31))
return;
l1 = gen_new_label();
if (ra != 31) {
if (mask) {
TCGv tmp = tcg_temp_new();
tcg_gen_andi_i64(tmp, cpu_ir[ra], 1);
tcg_gen_brcondi_i64(inv_cond, tmp, 0, l1);
tcg_temp_free(tmp);
} else
tcg_gen_brcondi_i64(inv_cond, cpu_ir[ra], 0, l1);
} else {
/* Very uncommon case - Do not bother to optimize. */
TCGv tmp = tcg_const_i64(0);
tcg_gen_brcondi_i64(inv_cond, tmp, 0, l1);
tcg_temp_free(tmp);
}
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
gen_set_label(l1);
}
#define FARITH2(name) \
static inline void glue(gen_f, name)(int rb, int rc) \
{ \
if (unlikely(rc == 31)) \
return; \
\
if (rb != 31) \
gen_helper_ ## name (cpu_fir[rc], cpu_fir[rb]); \
else { \
TCGv tmp = tcg_const_i64(0); \
gen_helper_ ## name (cpu_fir[rc], tmp); \
tcg_temp_free(tmp); \
} \
}
FARITH2(sqrts)
FARITH2(sqrtf)
FARITH2(sqrtg)
FARITH2(sqrtt)
FARITH2(cvtgf)
FARITH2(cvtgq)
FARITH2(cvtqf)
FARITH2(cvtqg)
FARITH2(cvtst)
FARITH2(cvtts)
FARITH2(cvttq)
FARITH2(cvtqs)
FARITH2(cvtqt)
FARITH2(cvtlq)
FARITH2(cvtql)
FARITH2(cvtqlv)
FARITH2(cvtqlsv)
#define FARITH3(name) \
static inline void glue(gen_f, name)(int ra, int rb, int rc) \
{ \
if (unlikely(rc == 31)) \
return; \
\
if (ra != 31) { \
if (rb != 31) \
gen_helper_ ## name (cpu_fir[rc], cpu_fir[ra], cpu_fir[rb]); \
else { \
TCGv tmp = tcg_const_i64(0); \
gen_helper_ ## name (cpu_fir[rc], cpu_fir[ra], tmp); \
tcg_temp_free(tmp); \
} \
} else { \
TCGv tmp = tcg_const_i64(0); \
if (rb != 31) \
gen_helper_ ## name (cpu_fir[rc], tmp, cpu_fir[rb]); \
else \
gen_helper_ ## name (cpu_fir[rc], tmp, tmp); \
tcg_temp_free(tmp); \
} \
}
FARITH3(addf)
FARITH3(subf)
FARITH3(mulf)
FARITH3(divf)
FARITH3(addg)
FARITH3(subg)
FARITH3(mulg)
FARITH3(divg)
FARITH3(cmpgeq)
FARITH3(cmpglt)
FARITH3(cmpgle)
FARITH3(adds)
FARITH3(subs)
FARITH3(muls)
FARITH3(divs)
FARITH3(addt)
FARITH3(subt)
FARITH3(mult)
FARITH3(divt)
FARITH3(cmptun)
FARITH3(cmpteq)
FARITH3(cmptlt)
FARITH3(cmptle)
FARITH3(cpys)
FARITH3(cpysn)
FARITH3(cpyse)
#define FCMOV(name) \
static inline void glue(gen_f, name)(int ra, int rb, int rc) \
{ \
int l1; \
TCGv tmp; \
\
if (unlikely(rc == 31)) \
return; \
\
l1 = gen_new_label(); \
tmp = tcg_temp_new(); \
if (ra != 31) { \
tmp = tcg_temp_new(); \
gen_helper_ ## name (tmp, cpu_fir[ra]); \
} else { \
tmp = tcg_const_i64(0); \
gen_helper_ ## name (tmp, tmp); \
} \
tcg_gen_brcondi_i64(TCG_COND_EQ, tmp, 0, l1); \
if (rb != 31) \
tcg_gen_mov_i64(cpu_fir[rc], cpu_fir[ra]); \
else \
tcg_gen_movi_i64(cpu_fir[rc], 0); \
gen_set_label(l1); \
}
FCMOV(cmpfeq)
FCMOV(cmpfne)
FCMOV(cmpflt)
FCMOV(cmpfge)
FCMOV(cmpfle)
FCMOV(cmpfgt)
/* Implement zapnot with an immediate operand, which expands to some
form of immediate AND. This is a basic building block in the
definition of many of the other byte manipulation instructions. */
static inline void gen_zapnoti(int ra, int rc, uint8_t lit)
{
uint64_t mask;
int i;
switch (lit) {
case 0x00:
tcg_gen_movi_i64(cpu_ir[rc], 0);
break;
case 0x01:
tcg_gen_ext8u_i64(cpu_ir[rc], cpu_ir[ra]);
break;
case 0x03:
tcg_gen_ext16u_i64(cpu_ir[rc], cpu_ir[ra]);
break;
case 0x0f:
tcg_gen_ext32u_i64(cpu_ir[rc], cpu_ir[ra]);
break;
case 0xff:
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[ra]);
break;
default:
for (mask = i = 0; i < 8; ++i) {
if ((lit >> i) & 1)
mask |= 0xffull << (i * 8);
}
tcg_gen_andi_i64 (cpu_ir[rc], cpu_ir[ra], mask);
break;
}
}
static inline void gen_zapnot(int ra, int rb, int rc, int islit, uint8_t lit)
{
if (unlikely(rc == 31))
return;
else if (unlikely(ra == 31))
tcg_gen_movi_i64(cpu_ir[rc], 0);
else if (islit)
gen_zapnoti(ra, rc, lit);
else
gen_helper_zapnot (cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
}
static inline void gen_zap(int ra, int rb, int rc, int islit, uint8_t lit)
{
if (unlikely(rc == 31))
return;
else if (unlikely(ra == 31))
tcg_gen_movi_i64(cpu_ir[rc], 0);
else if (islit)
gen_zapnoti(ra, rc, ~lit);
else
gen_helper_zap (cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
}
/* EXTWH, EXTWH, EXTLH, EXTQH */
static inline void gen_ext_h(int ra, int rb, int rc, int islit,
uint8_t lit, uint8_t byte_mask)
{
if (unlikely(rc == 31))
return;
else if (unlikely(ra == 31))
tcg_gen_movi_i64(cpu_ir[rc], 0);
else {
if (islit) {
lit = (64 - (lit & 7) * 8) & 0x3f;
tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], lit);
} else {
TCGv tmp1 = tcg_temp_new();
tcg_gen_andi_i64(tmp1, cpu_ir[rb], 7);
tcg_gen_shli_i64(tmp1, tmp1, 3);
tcg_gen_neg_i64(tmp1, tmp1);
tcg_gen_andi_i64(tmp1, tmp1, 0x3f);
tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], tmp1);
tcg_temp_free(tmp1);
}
gen_zapnoti(rc, rc, byte_mask);
}
}
/* EXTBL, EXTWL, EXTWL, EXTLL, EXTQL */
static inline void gen_ext_l(int ra, int rb, int rc, int islit,
uint8_t lit, uint8_t byte_mask)
{
if (unlikely(rc == 31))
return;
else if (unlikely(ra == 31))
tcg_gen_movi_i64(cpu_ir[rc], 0);
else {
if (islit) {
tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], (lit & 7) * 8);
} else {
TCGv tmp = tcg_temp_new();
tcg_gen_andi_i64(tmp, cpu_ir[rb], 7);
tcg_gen_shli_i64(tmp, tmp, 3);
tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], tmp);
tcg_temp_free(tmp);
}
gen_zapnoti(rc, rc, byte_mask);
}
}
/* Code to call arith3 helpers */
#define ARITH3(name) \
static inline void glue(gen_, name)(int ra, int rb, int rc, int islit,\
uint8_t lit) \
{ \
if (unlikely(rc == 31)) \
return; \
\
if (ra != 31) { \
if (islit) { \
TCGv tmp = tcg_const_i64(lit); \
gen_helper_ ## name(cpu_ir[rc], cpu_ir[ra], tmp); \
tcg_temp_free(tmp); \
} else \
gen_helper_ ## name (cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]); \
} else { \
TCGv tmp1 = tcg_const_i64(0); \
if (islit) { \
TCGv tmp2 = tcg_const_i64(lit); \
gen_helper_ ## name (cpu_ir[rc], tmp1, tmp2); \
tcg_temp_free(tmp2); \
} else \
gen_helper_ ## name (cpu_ir[rc], tmp1, cpu_ir[rb]); \
tcg_temp_free(tmp1); \
} \
}
ARITH3(cmpbge)
ARITH3(addlv)
ARITH3(sublv)
ARITH3(addqv)
ARITH3(subqv)
ARITH3(mskbl)
ARITH3(insbl)
ARITH3(mskwl)
ARITH3(inswl)
ARITH3(mskll)
ARITH3(insll)
ARITH3(mskql)
ARITH3(insql)
ARITH3(mskwh)
ARITH3(inswh)
ARITH3(msklh)
ARITH3(inslh)
ARITH3(mskqh)
ARITH3(insqh)
ARITH3(umulh)
ARITH3(mullv)
ARITH3(mulqv)
ARITH3(minub8)
ARITH3(minsb8)
ARITH3(minuw4)
ARITH3(minsw4)
ARITH3(maxub8)
ARITH3(maxsb8)
ARITH3(maxuw4)
ARITH3(maxsw4)
ARITH3(perr)
#define MVIOP2(name) \
static inline void glue(gen_, name)(int rb, int rc) \
{ \
if (unlikely(rc == 31)) \
return; \
if (unlikely(rb == 31)) \
tcg_gen_movi_i64(cpu_ir[rc], 0); \
else \
gen_helper_ ## name (cpu_ir[rc], cpu_ir[rb]); \
}
MVIOP2(pklb)
MVIOP2(pkwb)
MVIOP2(unpkbl)
MVIOP2(unpkbw)
static inline void gen_cmp(TCGCond cond, int ra, int rb, int rc, int islit,
uint8_t lit)
{
int l1, l2;
TCGv tmp;
if (unlikely(rc == 31))
return;
l1 = gen_new_label();
l2 = gen_new_label();
if (ra != 31) {
tmp = tcg_temp_new();
tcg_gen_mov_i64(tmp, cpu_ir[ra]);
} else
tmp = tcg_const_i64(0);
if (islit)
tcg_gen_brcondi_i64(cond, tmp, lit, l1);
else
tcg_gen_brcond_i64(cond, tmp, cpu_ir[rb], l1);
tcg_gen_movi_i64(cpu_ir[rc], 0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_i64(cpu_ir[rc], 1);
gen_set_label(l2);
}
static inline int translate_one(DisasContext *ctx, uint32_t insn)
{
uint32_t palcode;
int32_t disp21, disp16, disp12;
uint16_t fn11, fn16;
uint8_t opc, ra, rb, rc, sbz, fpfn, fn7, fn2, islit, real_islit;
uint8_t lit;
int ret;
/* Decode all instruction fields */
opc = insn >> 26;
ra = (insn >> 21) & 0x1F;
rb = (insn >> 16) & 0x1F;
rc = insn & 0x1F;
sbz = (insn >> 13) & 0x07;
real_islit = islit = (insn >> 12) & 1;
if (rb == 31 && !islit) {
islit = 1;
lit = 0;
} else
lit = (insn >> 13) & 0xFF;
palcode = insn & 0x03FFFFFF;
disp21 = ((int32_t)((insn & 0x001FFFFF) << 11)) >> 11;
disp16 = (int16_t)(insn & 0x0000FFFF);
disp12 = (int32_t)((insn & 0x00000FFF) << 20) >> 20;
fn16 = insn & 0x0000FFFF;
fn11 = (insn >> 5) & 0x000007FF;
fpfn = fn11 & 0x3F;
fn7 = (insn >> 5) & 0x0000007F;
fn2 = (insn >> 5) & 0x00000003;
ret = 0;
LOG_DISAS("opc %02x ra %2d rb %2d rc %2d disp16 %6d\n",
opc, ra, rb, rc, disp16);
switch (opc) {
case 0x00:
/* CALL_PAL */
if (palcode >= 0x80 && palcode < 0xC0) {
/* Unprivileged PAL call */
gen_excp(ctx, EXCP_CALL_PAL + ((palcode & 0x3F) << 6), 0);
#if !defined (CONFIG_USER_ONLY)
} else if (palcode < 0x40) {
/* Privileged PAL code */
if (ctx->mem_idx & 1)
goto invalid_opc;
else
gen_excp(ctx, EXCP_CALL_PALP + ((palcode & 0x3F) << 6), 0);
#endif
} else {
/* Invalid PAL call */
goto invalid_opc;
}
ret = 3;
break;
case 0x01:
/* OPC01 */
goto invalid_opc;
case 0x02:
/* OPC02 */
goto invalid_opc;
case 0x03:
/* OPC03 */
goto invalid_opc;
case 0x04:
/* OPC04 */
goto invalid_opc;
case 0x05:
/* OPC05 */
goto invalid_opc;
case 0x06:
/* OPC06 */
goto invalid_opc;
case 0x07:
/* OPC07 */
goto invalid_opc;
case 0x08:
/* LDA */
if (likely(ra != 31)) {
if (rb != 31)
tcg_gen_addi_i64(cpu_ir[ra], cpu_ir[rb], disp16);
else
tcg_gen_movi_i64(cpu_ir[ra], disp16);
}
break;
case 0x09:
/* LDAH */
if (likely(ra != 31)) {
if (rb != 31)
tcg_gen_addi_i64(cpu_ir[ra], cpu_ir[rb], disp16 << 16);
else
tcg_gen_movi_i64(cpu_ir[ra], disp16 << 16);
}
break;
case 0x0A:
/* LDBU */
if (!(ctx->amask & AMASK_BWX))
goto invalid_opc;
gen_load_mem(ctx, &tcg_gen_qemu_ld8u, ra, rb, disp16, 0, 0);
break;
case 0x0B:
/* LDQ_U */
gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 1);
break;
case 0x0C:
/* LDWU */
if (!(ctx->amask & AMASK_BWX))
goto invalid_opc;
gen_load_mem(ctx, &tcg_gen_qemu_ld16u, ra, rb, disp16, 0, 0);
break;
case 0x0D:
/* STW */
gen_store_mem(ctx, &tcg_gen_qemu_st16, ra, rb, disp16, 0, 0, 0);
break;
case 0x0E:
/* STB */
gen_store_mem(ctx, &tcg_gen_qemu_st8, ra, rb, disp16, 0, 0, 0);
break;
case 0x0F:
/* STQ_U */
gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 1, 0);
break;
case 0x10:
switch (fn7) {
case 0x00:
/* ADDL */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit) {
tcg_gen_addi_i64(cpu_ir[rc], cpu_ir[ra], lit);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
} else {
tcg_gen_add_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
}
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x02:
/* S4ADDL */
if (likely(rc != 31)) {
if (ra != 31) {
TCGv tmp = tcg_temp_new();
tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
if (islit)
tcg_gen_addi_i64(tmp, tmp, lit);
else
tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x09:
/* SUBL */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_subi_i64(cpu_ir[rc], cpu_ir[ra], lit);
else
tcg_gen_sub_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
else {
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
}
}
break;
case 0x0B:
/* S4SUBL */
if (likely(rc != 31)) {
if (ra != 31) {
TCGv tmp = tcg_temp_new();
tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
if (islit)
tcg_gen_subi_i64(tmp, tmp, lit);
else
tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
else {
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
}
}
}
break;
case 0x0F:
/* CMPBGE */
gen_cmpbge(ra, rb, rc, islit, lit);
break;
case 0x12:
/* S8ADDL */
if (likely(rc != 31)) {
if (ra != 31) {
TCGv tmp = tcg_temp_new();
tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
if (islit)
tcg_gen_addi_i64(tmp, tmp, lit);
else
tcg_gen_add_i64(tmp, tmp, cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x1B:
/* S8SUBL */
if (likely(rc != 31)) {
if (ra != 31) {
TCGv tmp = tcg_temp_new();
tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
if (islit)
tcg_gen_subi_i64(tmp, tmp, lit);
else
tcg_gen_sub_i64(tmp, tmp, cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], tmp);
tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
else
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
}
}
}
break;
case 0x1D:
/* CMPULT */
gen_cmp(TCG_COND_LTU, ra, rb, rc, islit, lit);
break;
case 0x20:
/* ADDQ */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_addi_i64(cpu_ir[rc], cpu_ir[ra], lit);
else
tcg_gen_add_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x22:
/* S4ADDQ */
if (likely(rc != 31)) {
if (ra != 31) {
TCGv tmp = tcg_temp_new();
tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
if (islit)
tcg_gen_addi_i64(cpu_ir[rc], tmp, lit);
else
tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x29:
/* SUBQ */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_subi_i64(cpu_ir[rc], cpu_ir[ra], lit);
else
tcg_gen_sub_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
else
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x2B:
/* S4SUBQ */
if (likely(rc != 31)) {
if (ra != 31) {
TCGv tmp = tcg_temp_new();
tcg_gen_shli_i64(tmp, cpu_ir[ra], 2);
if (islit)
tcg_gen_subi_i64(cpu_ir[rc], tmp, lit);
else
tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
else
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x2D:
/* CMPEQ */
gen_cmp(TCG_COND_EQ, ra, rb, rc, islit, lit);
break;
case 0x32:
/* S8ADDQ */
if (likely(rc != 31)) {
if (ra != 31) {
TCGv tmp = tcg_temp_new();
tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
if (islit)
tcg_gen_addi_i64(cpu_ir[rc], tmp, lit);
else
tcg_gen_add_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x3B:
/* S8SUBQ */
if (likely(rc != 31)) {
if (ra != 31) {
TCGv tmp = tcg_temp_new();
tcg_gen_shli_i64(tmp, cpu_ir[ra], 3);
if (islit)
tcg_gen_subi_i64(cpu_ir[rc], tmp, lit);
else
tcg_gen_sub_i64(cpu_ir[rc], tmp, cpu_ir[rb]);
tcg_temp_free(tmp);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], -lit);
else
tcg_gen_neg_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x3D:
/* CMPULE */
gen_cmp(TCG_COND_LEU, ra, rb, rc, islit, lit);
break;
case 0x40:
/* ADDL/V */
gen_addlv(ra, rb, rc, islit, lit);
break;
case 0x49:
/* SUBL/V */
gen_sublv(ra, rb, rc, islit, lit);
break;
case 0x4D:
/* CMPLT */
gen_cmp(TCG_COND_LT, ra, rb, rc, islit, lit);
break;
case 0x60:
/* ADDQ/V */
gen_addqv(ra, rb, rc, islit, lit);
break;
case 0x69:
/* SUBQ/V */
gen_subqv(ra, rb, rc, islit, lit);
break;
case 0x6D:
/* CMPLE */
gen_cmp(TCG_COND_LE, ra, rb, rc, islit, lit);
break;
default:
goto invalid_opc;
}
break;
case 0x11:
switch (fn7) {
case 0x00:
/* AND */
if (likely(rc != 31)) {
if (ra == 31)
tcg_gen_movi_i64(cpu_ir[rc], 0);
else if (islit)
tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], lit);
else
tcg_gen_and_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
}
break;
case 0x08:
/* BIC */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[ra], ~lit);
else
tcg_gen_andc_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
break;
case 0x14:
/* CMOVLBS */
gen_cmov(TCG_COND_EQ, ra, rb, rc, islit, lit, 1);
break;
case 0x16:
/* CMOVLBC */
gen_cmov(TCG_COND_NE, ra, rb, rc, islit, lit, 1);
break;
case 0x20:
/* BIS */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], lit);
else
tcg_gen_or_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x24:
/* CMOVEQ */
gen_cmov(TCG_COND_NE, ra, rb, rc, islit, lit, 0);
break;
case 0x26:
/* CMOVNE */
gen_cmov(TCG_COND_EQ, ra, rb, rc, islit, lit, 0);
break;
case 0x28:
/* ORNOT */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_ori_i64(cpu_ir[rc], cpu_ir[ra], ~lit);
else
tcg_gen_orc_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], ~lit);
else
tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x40:
/* XOR */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], lit);
else
tcg_gen_xor_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x44:
/* CMOVLT */
gen_cmov(TCG_COND_GE, ra, rb, rc, islit, lit, 0);
break;
case 0x46:
/* CMOVGE */
gen_cmov(TCG_COND_LT, ra, rb, rc, islit, lit, 0);
break;
case 0x48:
/* EQV */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_xori_i64(cpu_ir[rc], cpu_ir[ra], ~lit);
else
tcg_gen_eqv_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
} else {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], ~lit);
else
tcg_gen_not_i64(cpu_ir[rc], cpu_ir[rb]);
}
}
break;
case 0x61:
/* AMASK */
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], lit);
else
tcg_gen_mov_i64(cpu_ir[rc], cpu_ir[rb]);
switch (ctx->env->implver) {
case IMPLVER_2106x:
/* EV4, EV45, LCA, LCA45 & EV5 */
break;
case IMPLVER_21164:
case IMPLVER_21264:
case IMPLVER_21364:
tcg_gen_andi_i64(cpu_ir[rc], cpu_ir[rc],
~(uint64_t)ctx->amask);
break;
}
}
break;
case 0x64:
/* CMOVLE */
gen_cmov(TCG_COND_GT, ra, rb, rc, islit, lit, 0);
break;
case 0x66:
/* CMOVGT */
gen_cmov(TCG_COND_LE, ra, rb, rc, islit, lit, 0);
break;
case 0x6C:
/* IMPLVER */
if (rc != 31)
tcg_gen_movi_i64(cpu_ir[rc], ctx->env->implver);
break;
default:
goto invalid_opc;
}
break;
case 0x12:
switch (fn7) {
case 0x02:
/* MSKBL */
gen_mskbl(ra, rb, rc, islit, lit);
break;
case 0x06:
/* EXTBL */
gen_ext_l(ra, rb, rc, islit, lit, 0x01);
break;
case 0x0B:
/* INSBL */
gen_insbl(ra, rb, rc, islit, lit);
break;
case 0x12:
/* MSKWL */
gen_mskwl(ra, rb, rc, islit, lit);
break;
case 0x16:
/* EXTWL */
gen_ext_l(ra, rb, rc, islit, lit, 0x03);
break;
case 0x1B:
/* INSWL */
gen_inswl(ra, rb, rc, islit, lit);
break;
case 0x22:
/* MSKLL */
gen_mskll(ra, rb, rc, islit, lit);
break;
case 0x26:
/* EXTLL */
gen_ext_l(ra, rb, rc, islit, lit, 0x0f);
break;
case 0x2B:
/* INSLL */
gen_insll(ra, rb, rc, islit, lit);
break;
case 0x30:
/* ZAP */
gen_zap(ra, rb, rc, islit, lit);
break;
case 0x31:
/* ZAPNOT */
gen_zapnot(ra, rb, rc, islit, lit);
break;
case 0x32:
/* MSKQL */
gen_mskql(ra, rb, rc, islit, lit);
break;
case 0x34:
/* SRL */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_shri_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f);
else {
TCGv shift = tcg_temp_new();
tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f);
tcg_gen_shr_i64(cpu_ir[rc], cpu_ir[ra], shift);
tcg_temp_free(shift);
}
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
break;
case 0x36:
/* EXTQL */
gen_ext_l(ra, rb, rc, islit, lit, 0xff);
break;
case 0x39:
/* SLL */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_shli_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f);
else {
TCGv shift = tcg_temp_new();
tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f);
tcg_gen_shl_i64(cpu_ir[rc], cpu_ir[ra], shift);
tcg_temp_free(shift);
}
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
break;
case 0x3B:
/* INSQL */
gen_insql(ra, rb, rc, islit, lit);
break;
case 0x3C:
/* SRA */
if (likely(rc != 31)) {
if (ra != 31) {
if (islit)
tcg_gen_sari_i64(cpu_ir[rc], cpu_ir[ra], lit & 0x3f);
else {
TCGv shift = tcg_temp_new();
tcg_gen_andi_i64(shift, cpu_ir[rb], 0x3f);
tcg_gen_sar_i64(cpu_ir[rc], cpu_ir[ra], shift);
tcg_temp_free(shift);
}
} else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
break;
case 0x52:
/* MSKWH */
gen_mskwh(ra, rb, rc, islit, lit);
break;
case 0x57:
/* INSWH */
gen_inswh(ra, rb, rc, islit, lit);
break;
case 0x5A:
/* EXTWH */
gen_ext_h(ra, rb, rc, islit, lit, 0x03);
break;
case 0x62:
/* MSKLH */
gen_msklh(ra, rb, rc, islit, lit);
break;
case 0x67:
/* INSLH */
gen_inslh(ra, rb, rc, islit, lit);
break;
case 0x6A:
/* EXTLH */
gen_ext_h(ra, rb, rc, islit, lit, 0x0f);
break;
case 0x72:
/* MSKQH */
gen_mskqh(ra, rb, rc, islit, lit);
break;
case 0x77:
/* INSQH */
gen_insqh(ra, rb, rc, islit, lit);
break;
case 0x7A:
/* EXTQH */
gen_ext_h(ra, rb, rc, islit, lit, 0xff);
break;
default:
goto invalid_opc;
}
break;
case 0x13:
switch (fn7) {
case 0x00:
/* MULL */
if (likely(rc != 31)) {
if (ra == 31)
tcg_gen_movi_i64(cpu_ir[rc], 0);
else {
if (islit)
tcg_gen_muli_i64(cpu_ir[rc], cpu_ir[ra], lit);
else
tcg_gen_mul_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
}
}
break;
case 0x20:
/* MULQ */
if (likely(rc != 31)) {
if (ra == 31)
tcg_gen_movi_i64(cpu_ir[rc], 0);
else if (islit)
tcg_gen_muli_i64(cpu_ir[rc], cpu_ir[ra], lit);
else
tcg_gen_mul_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
}
break;
case 0x30:
/* UMULH */
gen_umulh(ra, rb, rc, islit, lit);
break;
case 0x40:
/* MULL/V */
gen_mullv(ra, rb, rc, islit, lit);
break;
case 0x60:
/* MULQ/V */
gen_mulqv(ra, rb, rc, islit, lit);
break;
default:
goto invalid_opc;
}
break;
case 0x14:
switch (fpfn) { /* f11 & 0x3F */
case 0x04:
/* ITOFS */
if (!(ctx->amask & AMASK_FIX))
goto invalid_opc;
if (likely(rc != 31)) {
if (ra != 31) {
TCGv_i32 tmp = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, cpu_ir[ra]);
gen_helper_memory_to_s(cpu_fir[rc], tmp);
tcg_temp_free_i32(tmp);
} else
tcg_gen_movi_i64(cpu_fir[rc], 0);
}
break;
case 0x0A:
/* SQRTF */
if (!(ctx->amask & AMASK_FIX))
goto invalid_opc;
gen_fsqrtf(rb, rc);
break;
case 0x0B:
/* SQRTS */
if (!(ctx->amask & AMASK_FIX))
goto invalid_opc;
gen_fsqrts(rb, rc);
break;
case 0x14:
/* ITOFF */
if (!(ctx->amask & AMASK_FIX))
goto invalid_opc;
if (likely(rc != 31)) {
if (ra != 31) {
TCGv_i32 tmp = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp, cpu_ir[ra]);
gen_helper_memory_to_f(cpu_fir[rc], tmp);
tcg_temp_free_i32(tmp);
} else
tcg_gen_movi_i64(cpu_fir[rc], 0);
}
break;
case 0x24:
/* ITOFT */
if (!(ctx->amask & AMASK_FIX))
goto invalid_opc;
if (likely(rc != 31)) {
if (ra != 31)
tcg_gen_mov_i64(cpu_fir[rc], cpu_ir[ra]);
else
tcg_gen_movi_i64(cpu_fir[rc], 0);
}
break;
case 0x2A:
/* SQRTG */
if (!(ctx->amask & AMASK_FIX))
goto invalid_opc;
gen_fsqrtg(rb, rc);
break;
case 0x02B:
/* SQRTT */
if (!(ctx->amask & AMASK_FIX))
goto invalid_opc;
gen_fsqrtt(rb, rc);
break;
default:
goto invalid_opc;
}
break;
case 0x15:
/* VAX floating point */
/* XXX: rounding mode and trap are ignored (!) */
switch (fpfn) { /* f11 & 0x3F */
case 0x00:
/* ADDF */
gen_faddf(ra, rb, rc);
break;
case 0x01:
/* SUBF */
gen_fsubf(ra, rb, rc);
break;
case 0x02:
/* MULF */
gen_fmulf(ra, rb, rc);
break;
case 0x03:
/* DIVF */
gen_fdivf(ra, rb, rc);
break;
case 0x1E:
/* CVTDG */
#if 0 // TODO
gen_fcvtdg(rb, rc);
#else
goto invalid_opc;
#endif
break;
case 0x20:
/* ADDG */
gen_faddg(ra, rb, rc);
break;
case 0x21:
/* SUBG */
gen_fsubg(ra, rb, rc);
break;
case 0x22:
/* MULG */
gen_fmulg(ra, rb, rc);
break;
case 0x23:
/* DIVG */
gen_fdivg(ra, rb, rc);
break;
case 0x25:
/* CMPGEQ */
gen_fcmpgeq(ra, rb, rc);
break;
case 0x26:
/* CMPGLT */
gen_fcmpglt(ra, rb, rc);
break;
case 0x27:
/* CMPGLE */
gen_fcmpgle(ra, rb, rc);
break;
case 0x2C:
/* CVTGF */
gen_fcvtgf(rb, rc);
break;
case 0x2D:
/* CVTGD */
#if 0 // TODO
gen_fcvtgd(rb, rc);
#else
goto invalid_opc;
#endif
break;
case 0x2F:
/* CVTGQ */
gen_fcvtgq(rb, rc);
break;
case 0x3C:
/* CVTQF */
gen_fcvtqf(rb, rc);
break;
case 0x3E:
/* CVTQG */
gen_fcvtqg(rb, rc);
break;
default:
goto invalid_opc;
}
break;
case 0x16:
/* IEEE floating-point */
/* XXX: rounding mode and traps are ignored (!) */
switch (fpfn) { /* f11 & 0x3F */
case 0x00:
/* ADDS */
gen_fadds(ra, rb, rc);
break;
case 0x01:
/* SUBS */
gen_fsubs(ra, rb, rc);
break;
case 0x02:
/* MULS */
gen_fmuls(ra, rb, rc);
break;
case 0x03:
/* DIVS */
gen_fdivs(ra, rb, rc);
break;
case 0x20:
/* ADDT */
gen_faddt(ra, rb, rc);
break;
case 0x21:
/* SUBT */
gen_fsubt(ra, rb, rc);
break;
case 0x22:
/* MULT */
gen_fmult(ra, rb, rc);
break;
case 0x23:
/* DIVT */
gen_fdivt(ra, rb, rc);
break;
case 0x24:
/* CMPTUN */
gen_fcmptun(ra, rb, rc);
break;
case 0x25:
/* CMPTEQ */
gen_fcmpteq(ra, rb, rc);
break;
case 0x26:
/* CMPTLT */
gen_fcmptlt(ra, rb, rc);
break;
case 0x27:
/* CMPTLE */
gen_fcmptle(ra, rb, rc);
break;
case 0x2C:
/* XXX: incorrect */
if (fn11 == 0x2AC || fn11 == 0x6AC) {
/* CVTST */
gen_fcvtst(rb, rc);
} else {
/* CVTTS */
gen_fcvtts(rb, rc);
}
break;
case 0x2F:
/* CVTTQ */
gen_fcvttq(rb, rc);
break;
case 0x3C:
/* CVTQS */
gen_fcvtqs(rb, rc);
break;
case 0x3E:
/* CVTQT */
gen_fcvtqt(rb, rc);
break;
default:
goto invalid_opc;
}
break;
case 0x17:
switch (fn11) {
case 0x010:
/* CVTLQ */
gen_fcvtlq(rb, rc);
break;
case 0x020:
if (likely(rc != 31)) {
if (ra == rb)
/* FMOV */
tcg_gen_mov_i64(cpu_fir[rc], cpu_fir[ra]);
else
/* CPYS */
gen_fcpys(ra, rb, rc);
}
break;
case 0x021:
/* CPYSN */
gen_fcpysn(ra, rb, rc);
break;
case 0x022:
/* CPYSE */
gen_fcpyse(ra, rb, rc);
break;
case 0x024:
/* MT_FPCR */
if (likely(ra != 31))
gen_helper_store_fpcr(cpu_fir[ra]);
else {
TCGv tmp = tcg_const_i64(0);
gen_helper_store_fpcr(tmp);
tcg_temp_free(tmp);
}
break;
case 0x025:
/* MF_FPCR */
if (likely(ra != 31))
gen_helper_load_fpcr(cpu_fir[ra]);
break;
case 0x02A:
/* FCMOVEQ */
gen_fcmpfeq(ra, rb, rc);
break;
case 0x02B:
/* FCMOVNE */
gen_fcmpfne(ra, rb, rc);
break;
case 0x02C:
/* FCMOVLT */
gen_fcmpflt(ra, rb, rc);
break;
case 0x02D:
/* FCMOVGE */
gen_fcmpfge(ra, rb, rc);
break;
case 0x02E:
/* FCMOVLE */
gen_fcmpfle(ra, rb, rc);
break;
case 0x02F:
/* FCMOVGT */
gen_fcmpfgt(ra, rb, rc);
break;
case 0x030:
/* CVTQL */
gen_fcvtql(rb, rc);
break;
case 0x130:
/* CVTQL/V */
gen_fcvtqlv(rb, rc);
break;
case 0x530:
/* CVTQL/SV */
gen_fcvtqlsv(rb, rc);
break;
default:
goto invalid_opc;
}
break;
case 0x18:
switch ((uint16_t)disp16) {
case 0x0000:
/* TRAPB */
/* No-op. Just exit from the current tb */
ret = 2;
break;
case 0x0400:
/* EXCB */
/* No-op. Just exit from the current tb */
ret = 2;
break;
case 0x4000:
/* MB */
/* No-op */
break;
case 0x4400:
/* WMB */
/* No-op */
break;
case 0x8000:
/* FETCH */
/* No-op */
break;
case 0xA000:
/* FETCH_M */
/* No-op */
break;
case 0xC000:
/* RPCC */
if (ra != 31)
gen_helper_load_pcc(cpu_ir[ra]);
break;
case 0xE000:
/* RC */
if (ra != 31)
gen_helper_rc(cpu_ir[ra]);
break;
case 0xE800:
/* ECB */
break;
case 0xF000:
/* RS */
if (ra != 31)
gen_helper_rs(cpu_ir[ra]);
break;
case 0xF800:
/* WH64 */
/* No-op */
break;
default:
goto invalid_opc;
}
break;
case 0x19:
/* HW_MFPR (PALcode) */
#if defined (CONFIG_USER_ONLY)
goto invalid_opc;
#else
if (!ctx->pal_mode)
goto invalid_opc;
if (ra != 31) {
TCGv tmp = tcg_const_i32(insn & 0xFF);
gen_helper_mfpr(cpu_ir[ra], tmp, cpu_ir[ra]);
tcg_temp_free(tmp);
}
break;
#endif
case 0x1A:
if (rb != 31)
tcg_gen_andi_i64(cpu_pc, cpu_ir[rb], ~3);
else
tcg_gen_movi_i64(cpu_pc, 0);
if (ra != 31)
tcg_gen_movi_i64(cpu_ir[ra], ctx->pc);
/* Those four jumps only differ by the branch prediction hint */
switch (fn2) {
case 0x0:
/* JMP */
break;
case 0x1:
/* JSR */
break;
case 0x2:
/* RET */
break;
case 0x3:
/* JSR_COROUTINE */
break;
}
ret = 1;
break;
case 0x1B:
/* HW_LD (PALcode) */
#if defined (CONFIG_USER_ONLY)
goto invalid_opc;
#else
if (!ctx->pal_mode)
goto invalid_opc;
if (ra != 31) {
TCGv addr = tcg_temp_new();
if (rb != 31)
tcg_gen_addi_i64(addr, cpu_ir[rb], disp12);
else
tcg_gen_movi_i64(addr, disp12);
switch ((insn >> 12) & 0xF) {
case 0x0:
/* Longword physical access (hw_ldl/p) */
gen_helper_ldl_raw(cpu_ir[ra], addr);
break;
case 0x1:
/* Quadword physical access (hw_ldq/p) */
gen_helper_ldq_raw(cpu_ir[ra], addr);
break;
case 0x2:
/* Longword physical access with lock (hw_ldl_l/p) */
gen_helper_ldl_l_raw(cpu_ir[ra], addr);
break;
case 0x3:
/* Quadword physical access with lock (hw_ldq_l/p) */
gen_helper_ldq_l_raw(cpu_ir[ra], addr);
break;
case 0x4:
/* Longword virtual PTE fetch (hw_ldl/v) */
tcg_gen_qemu_ld32s(cpu_ir[ra], addr, 0);
break;
case 0x5:
/* Quadword virtual PTE fetch (hw_ldq/v) */
tcg_gen_qemu_ld64(cpu_ir[ra], addr, 0);
break;
case 0x6:
/* Incpu_ir[ra]id */
goto invalid_opc;
case 0x7:
/* Incpu_ir[ra]id */
goto invalid_opc;
case 0x8:
/* Longword virtual access (hw_ldl) */
gen_helper_st_virt_to_phys(addr, addr);
gen_helper_ldl_raw(cpu_ir[ra], addr);
break;
case 0x9:
/* Quadword virtual access (hw_ldq) */
gen_helper_st_virt_to_phys(addr, addr);
gen_helper_ldq_raw(cpu_ir[ra], addr);
break;
case 0xA:
/* Longword virtual access with protection check (hw_ldl/w) */
tcg_gen_qemu_ld32s(cpu_ir[ra], addr, 0);
break;
case 0xB:
/* Quadword virtual access with protection check (hw_ldq/w) */
tcg_gen_qemu_ld64(cpu_ir[ra], addr, 0);
break;
case 0xC:
/* Longword virtual access with alt access mode (hw_ldl/a)*/
gen_helper_set_alt_mode();
gen_helper_st_virt_to_phys(addr, addr);
gen_helper_ldl_raw(cpu_ir[ra], addr);
gen_helper_restore_mode();
break;
case 0xD:
/* Quadword virtual access with alt access mode (hw_ldq/a) */
gen_helper_set_alt_mode();
gen_helper_st_virt_to_phys(addr, addr);
gen_helper_ldq_raw(cpu_ir[ra], addr);
gen_helper_restore_mode();
break;
case 0xE:
/* Longword virtual access with alternate access mode and
* protection checks (hw_ldl/wa)
*/
gen_helper_set_alt_mode();
gen_helper_ldl_data(cpu_ir[ra], addr);
gen_helper_restore_mode();
break;
case 0xF:
/* Quadword virtual access with alternate access mode and
* protection checks (hw_ldq/wa)
*/
gen_helper_set_alt_mode();
gen_helper_ldq_data(cpu_ir[ra], addr);
gen_helper_restore_mode();
break;
}
tcg_temp_free(addr);
}
break;
#endif
case 0x1C:
switch (fn7) {
case 0x00:
/* SEXTB */
if (!(ctx->amask & AMASK_BWX))
goto invalid_opc;
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int8_t)lit));
else
tcg_gen_ext8s_i64(cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x01:
/* SEXTW */
if (!(ctx->amask & AMASK_BWX))
goto invalid_opc;
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int16_t)lit));
else
tcg_gen_ext16s_i64(cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x30:
/* CTPOP */
if (!(ctx->amask & AMASK_CIX))
goto invalid_opc;
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], ctpop64(lit));
else
gen_helper_ctpop(cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x31:
/* PERR */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
gen_perr(ra, rb, rc, islit, lit);
break;
case 0x32:
/* CTLZ */
if (!(ctx->amask & AMASK_CIX))
goto invalid_opc;
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], clz64(lit));
else
gen_helper_ctlz(cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x33:
/* CTTZ */
if (!(ctx->amask & AMASK_CIX))
goto invalid_opc;
if (likely(rc != 31)) {
if (islit)
tcg_gen_movi_i64(cpu_ir[rc], ctz64(lit));
else
gen_helper_cttz(cpu_ir[rc], cpu_ir[rb]);
}
break;
case 0x34:
/* UNPKBW */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
if (real_islit || ra != 31)
goto invalid_opc;
gen_unpkbw (rb, rc);
break;
case 0x35:
/* UNPKBL */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
if (real_islit || ra != 31)
goto invalid_opc;
gen_unpkbl (rb, rc);
break;
case 0x36:
/* PKWB */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
if (real_islit || ra != 31)
goto invalid_opc;
gen_pkwb (rb, rc);
break;
case 0x37:
/* PKLB */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
if (real_islit || ra != 31)
goto invalid_opc;
gen_pklb (rb, rc);
break;
case 0x38:
/* MINSB8 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
gen_minsb8 (ra, rb, rc, islit, lit);
break;
case 0x39:
/* MINSW4 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
gen_minsw4 (ra, rb, rc, islit, lit);
break;
case 0x3A:
/* MINUB8 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
gen_minub8 (ra, rb, rc, islit, lit);
break;
case 0x3B:
/* MINUW4 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
gen_minuw4 (ra, rb, rc, islit, lit);
break;
case 0x3C:
/* MAXUB8 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
gen_maxub8 (ra, rb, rc, islit, lit);
break;
case 0x3D:
/* MAXUW4 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
gen_maxuw4 (ra, rb, rc, islit, lit);
break;
case 0x3E:
/* MAXSB8 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
gen_maxsb8 (ra, rb, rc, islit, lit);
break;
case 0x3F:
/* MAXSW4 */
if (!(ctx->amask & AMASK_MVI))
goto invalid_opc;
gen_maxsw4 (ra, rb, rc, islit, lit);
break;
case 0x70:
/* FTOIT */
if (!(ctx->amask & AMASK_FIX))
goto invalid_opc;
if (likely(rc != 31)) {
if (ra != 31)
tcg_gen_mov_i64(cpu_ir[rc], cpu_fir[ra]);
else
tcg_gen_movi_i64(cpu_ir[rc], 0);
}
break;
case 0x78:
/* FTOIS */
if (!(ctx->amask & AMASK_FIX))
goto invalid_opc;
if (rc != 31) {
TCGv_i32 tmp1 = tcg_temp_new_i32();
if (ra != 31)
gen_helper_s_to_memory(tmp1, cpu_fir[ra]);
else {
TCGv tmp2 = tcg_const_i64(0);
gen_helper_s_to_memory(tmp1, tmp2);
tcg_temp_free(tmp2);
}
tcg_gen_ext_i32_i64(cpu_ir[rc], tmp1);
tcg_temp_free_i32(tmp1);
}
break;
default:
goto invalid_opc;
}
break;
case 0x1D:
/* HW_MTPR (PALcode) */
#if defined (CONFIG_USER_ONLY)
goto invalid_opc;
#else
if (!ctx->pal_mode)
goto invalid_opc;
else {
TCGv tmp1 = tcg_const_i32(insn & 0xFF);
if (ra != 31)
gen_helper_mtpr(tmp1, cpu_ir[ra]);
else {
TCGv tmp2 = tcg_const_i64(0);
gen_helper_mtpr(tmp1, tmp2);
tcg_temp_free(tmp2);
}
tcg_temp_free(tmp1);
ret = 2;
}
break;
#endif
case 0x1E:
/* HW_REI (PALcode) */
#if defined (CONFIG_USER_ONLY)
goto invalid_opc;
#else
if (!ctx->pal_mode)
goto invalid_opc;
if (rb == 31) {
/* "Old" alpha */
gen_helper_hw_rei();
} else {
TCGv tmp;
if (ra != 31) {
tmp = tcg_temp_new();
tcg_gen_addi_i64(tmp, cpu_ir[rb], (((int64_t)insn << 51) >> 51));
} else
tmp = tcg_const_i64(((int64_t)insn << 51) >> 51);
gen_helper_hw_ret(tmp);
tcg_temp_free(tmp);
}
ret = 2;
break;
#endif
case 0x1F:
/* HW_ST (PALcode) */
#if defined (CONFIG_USER_ONLY)
goto invalid_opc;
#else
if (!ctx->pal_mode)
goto invalid_opc;
else {
TCGv addr, val;
addr = tcg_temp_new();
if (rb != 31)
tcg_gen_addi_i64(addr, cpu_ir[rb], disp12);
else
tcg_gen_movi_i64(addr, disp12);
if (ra != 31)
val = cpu_ir[ra];
else {
val = tcg_temp_new();
tcg_gen_movi_i64(val, 0);
}
switch ((insn >> 12) & 0xF) {
case 0x0:
/* Longword physical access */
gen_helper_stl_raw(val, addr);
break;
case 0x1:
/* Quadword physical access */
gen_helper_stq_raw(val, addr);
break;
case 0x2:
/* Longword physical access with lock */
gen_helper_stl_c_raw(val, val, addr);
break;
case 0x3:
/* Quadword physical access with lock */
gen_helper_stq_c_raw(val, val, addr);
break;
case 0x4:
/* Longword virtual access */
gen_helper_st_virt_to_phys(addr, addr);
gen_helper_stl_raw(val, addr);
break;
case 0x5:
/* Quadword virtual access */
gen_helper_st_virt_to_phys(addr, addr);
gen_helper_stq_raw(val, addr);
break;
case 0x6:
/* Invalid */
goto invalid_opc;
case 0x7:
/* Invalid */
goto invalid_opc;
case 0x8:
/* Invalid */
goto invalid_opc;
case 0x9:
/* Invalid */
goto invalid_opc;
case 0xA:
/* Invalid */
goto invalid_opc;
case 0xB:
/* Invalid */
goto invalid_opc;
case 0xC:
/* Longword virtual access with alternate access mode */
gen_helper_set_alt_mode();
gen_helper_st_virt_to_phys(addr, addr);
gen_helper_stl_raw(val, addr);
gen_helper_restore_mode();
break;
case 0xD:
/* Quadword virtual access with alternate access mode */
gen_helper_set_alt_mode();
gen_helper_st_virt_to_phys(addr, addr);
gen_helper_stl_raw(val, addr);
gen_helper_restore_mode();
break;
case 0xE:
/* Invalid */
goto invalid_opc;
case 0xF:
/* Invalid */
goto invalid_opc;
}
if (ra == 31)
tcg_temp_free(val);
tcg_temp_free(addr);
}
break;
#endif
case 0x20:
/* LDF */
gen_load_mem(ctx, &gen_qemu_ldf, ra, rb, disp16, 1, 0);
break;
case 0x21:
/* LDG */
gen_load_mem(ctx, &gen_qemu_ldg, ra, rb, disp16, 1, 0);
break;
case 0x22:
/* LDS */
gen_load_mem(ctx, &gen_qemu_lds, ra, rb, disp16, 1, 0);
break;
case 0x23:
/* LDT */
gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 1, 0);
break;
case 0x24:
/* STF */
gen_store_mem(ctx, &gen_qemu_stf, ra, rb, disp16, 1, 0, 0);
break;
case 0x25:
/* STG */
gen_store_mem(ctx, &gen_qemu_stg, ra, rb, disp16, 1, 0, 0);
break;
case 0x26:
/* STS */
gen_store_mem(ctx, &gen_qemu_sts, ra, rb, disp16, 1, 0, 0);
break;
case 0x27:
/* STT */
gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 1, 0, 0);
break;
case 0x28:
/* LDL */
gen_load_mem(ctx, &tcg_gen_qemu_ld32s, ra, rb, disp16, 0, 0);
break;
case 0x29:
/* LDQ */
gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 0);
break;
case 0x2A:
/* LDL_L */
gen_load_mem(ctx, &gen_qemu_ldl_l, ra, rb, disp16, 0, 0);
break;
case 0x2B:
/* LDQ_L */
gen_load_mem(ctx, &gen_qemu_ldq_l, ra, rb, disp16, 0, 0);
break;
case 0x2C:
/* STL */
gen_store_mem(ctx, &tcg_gen_qemu_st32, ra, rb, disp16, 0, 0, 0);
break;
case 0x2D:
/* STQ */
gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 0, 0);
break;
case 0x2E:
/* STL_C */
gen_store_mem(ctx, &gen_qemu_stl_c, ra, rb, disp16, 0, 0, 1);
break;
case 0x2F:
/* STQ_C */
gen_store_mem(ctx, &gen_qemu_stq_c, ra, rb, disp16, 0, 0, 1);
break;
case 0x30:
/* BR */
if (ra != 31)
tcg_gen_movi_i64(cpu_ir[ra], ctx->pc);
tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp21 << 2));
ret = 1;
break;
case 0x31: /* FBEQ */
case 0x32: /* FBLT */
case 0x33: /* FBLE */
gen_fbcond(ctx, opc, ra, disp16);
ret = 1;
break;
case 0x34:
/* BSR */
if (ra != 31)
tcg_gen_movi_i64(cpu_ir[ra], ctx->pc);
tcg_gen_movi_i64(cpu_pc, ctx->pc + (int64_t)(disp21 << 2));
ret = 1;
break;
case 0x35: /* FBNE */
case 0x36: /* FBGE */
case 0x37: /* FBGT */
gen_fbcond(ctx, opc, ra, disp16);
ret = 1;
break;
case 0x38:
/* BLBC */
gen_bcond(ctx, TCG_COND_EQ, ra, disp21, 1);
ret = 1;
break;
case 0x39:
/* BEQ */
gen_bcond(ctx, TCG_COND_EQ, ra, disp21, 0);
ret = 1;
break;
case 0x3A:
/* BLT */
gen_bcond(ctx, TCG_COND_LT, ra, disp21, 0);
ret = 1;
break;
case 0x3B:
/* BLE */
gen_bcond(ctx, TCG_COND_LE, ra, disp21, 0);
ret = 1;
break;
case 0x3C:
/* BLBS */
gen_bcond(ctx, TCG_COND_NE, ra, disp21, 1);
ret = 1;
break;
case 0x3D:
/* BNE */
gen_bcond(ctx, TCG_COND_NE, ra, disp21, 0);
ret = 1;
break;
case 0x3E:
/* BGE */
gen_bcond(ctx, TCG_COND_GE, ra, disp21, 0);
ret = 1;
break;
case 0x3F:
/* BGT */
gen_bcond(ctx, TCG_COND_GT, ra, disp21, 0);
ret = 1;
break;
invalid_opc:
gen_invalid(ctx);
ret = 3;
break;
}
return ret;
}
static inline void gen_intermediate_code_internal(CPUState *env,
TranslationBlock *tb,
int search_pc)
{
DisasContext ctx, *ctxp = &ctx;
target_ulong pc_start;
uint32_t insn;
uint16_t *gen_opc_end;
CPUBreakpoint *bp;
int j, lj = -1;
int ret;
int num_insns;
int max_insns;
pc_start = tb->pc;
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
ctx.pc = pc_start;
ctx.amask = env->amask;
ctx.env = env;
#if defined (CONFIG_USER_ONLY)
ctx.mem_idx = 0;
#else
ctx.mem_idx = ((env->ps >> 3) & 3);
ctx.pal_mode = env->ipr[IPR_EXC_ADDR] & 1;
#endif
num_insns = 0;
max_insns = tb->cflags & CF_COUNT_MASK;
if (max_insns == 0)
max_insns = CF_COUNT_MASK;
gen_icount_start();
for (ret = 0; ret == 0;) {
if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
if (bp->pc == ctx.pc) {
gen_excp(&ctx, EXCP_DEBUG, 0);
break;
}
}
}
if (search_pc) {
j = gen_opc_ptr - gen_opc_buf;
if (lj < j) {
lj++;
while (lj < j)
gen_opc_instr_start[lj++] = 0;
}
gen_opc_pc[lj] = ctx.pc;
gen_opc_instr_start[lj] = 1;
gen_opc_icount[lj] = num_insns;
}
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
gen_io_start();
insn = ldl_code(ctx.pc);
num_insns++;
ctx.pc += 4;
ret = translate_one(ctxp, insn);
if (ret != 0)
break;
/* if we reach a page boundary or are single stepping, stop
* generation
*/
if (env->singlestep_enabled) {
gen_excp(&ctx, EXCP_DEBUG, 0);
break;
}
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
break;
if (gen_opc_ptr >= gen_opc_end)
break;
if (num_insns >= max_insns)
break;
if (singlestep) {
break;
}
}
if (ret != 1 && ret != 3) {
tcg_gen_movi_i64(cpu_pc, ctx.pc);
}
if (tb->cflags & CF_LAST_IO)
gen_io_end();
/* Generate the return instruction */
tcg_gen_exit_tb(0);
gen_icount_end(tb, num_insns);
*gen_opc_ptr = INDEX_op_end;
if (search_pc) {
j = gen_opc_ptr - gen_opc_buf;
lj++;
while (lj <= j)
gen_opc_instr_start[lj++] = 0;
} else {
tb->size = ctx.pc - pc_start;
tb->icount = num_insns;
}
#ifdef DEBUG_DISAS
log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("IN: %s\n", lookup_symbol(pc_start));
log_target_disas(pc_start, ctx.pc - pc_start, 1);
qemu_log("\n");
}
#endif
}
void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
{
gen_intermediate_code_internal(env, tb, 0);
}
void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
{
gen_intermediate_code_internal(env, tb, 1);
}
struct cpu_def_t {
const char *name;
int implver, amask;
};
static const struct cpu_def_t cpu_defs[] = {
{ "ev4", IMPLVER_2106x, 0 },
{ "ev5", IMPLVER_21164, 0 },
{ "ev56", IMPLVER_21164, AMASK_BWX },
{ "pca56", IMPLVER_21164, AMASK_BWX | AMASK_MVI },
{ "ev6", IMPLVER_21264, AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP },
{ "ev67", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
| AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), },
{ "ev68", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
| AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), },
{ "21064", IMPLVER_2106x, 0 },
{ "21164", IMPLVER_21164, 0 },
{ "21164a", IMPLVER_21164, AMASK_BWX },
{ "21164pc", IMPLVER_21164, AMASK_BWX | AMASK_MVI },
{ "21264", IMPLVER_21264, AMASK_BWX | AMASK_FIX | AMASK_MVI | AMASK_TRAP },
{ "21264a", IMPLVER_21264, (AMASK_BWX | AMASK_FIX | AMASK_CIX
| AMASK_MVI | AMASK_TRAP | AMASK_PREFETCH), }
};
CPUAlphaState * cpu_alpha_init (const char *cpu_model)
{
CPUAlphaState *env;
uint64_t hwpcb;
int implver, amask, i, max;
env = qemu_mallocz(sizeof(CPUAlphaState));
cpu_exec_init(env);
alpha_translate_init();
tlb_flush(env, 1);
/* Default to ev67; no reason not to emulate insns by default. */
implver = IMPLVER_21264;
amask = (AMASK_BWX | AMASK_FIX | AMASK_CIX | AMASK_MVI
| AMASK_TRAP | AMASK_PREFETCH);
max = ARRAY_SIZE(cpu_defs);
for (i = 0; i < max; i++) {
if (strcmp (cpu_model, cpu_defs[i].name) == 0) {
implver = cpu_defs[i].implver;
amask = cpu_defs[i].amask;
break;
}
}
env->implver = implver;
env->amask = amask;
env->ps = 0x1F00;
#if defined (CONFIG_USER_ONLY)
env->ps |= 1 << 3;
#endif
pal_init(env);
/* Initialize IPR */
hwpcb = env->ipr[IPR_PCBB];
env->ipr[IPR_ASN] = 0;
env->ipr[IPR_ASTEN] = 0;
env->ipr[IPR_ASTSR] = 0;
env->ipr[IPR_DATFX] = 0;
/* XXX: fix this */
// env->ipr[IPR_ESP] = ldq_raw(hwpcb + 8);
// env->ipr[IPR_KSP] = ldq_raw(hwpcb + 0);
// env->ipr[IPR_SSP] = ldq_raw(hwpcb + 16);
// env->ipr[IPR_USP] = ldq_raw(hwpcb + 24);
env->ipr[IPR_FEN] = 0;
env->ipr[IPR_IPL] = 31;
env->ipr[IPR_MCES] = 0;
env->ipr[IPR_PERFMON] = 0; /* Implementation specific */
// env->ipr[IPR_PTBR] = ldq_raw(hwpcb + 32);
env->ipr[IPR_SISR] = 0;
env->ipr[IPR_VIRBND] = -1ULL;
qemu_init_vcpu(env);
return env;
}
void gen_pc_load(CPUState *env, TranslationBlock *tb,
unsigned long searched_pc, int pc_pos, void *puc)
{
env->pc = gen_opc_pc[pc_pos];
}
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