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qemu-e2k/target-mips/op_helper.c
Pavel Dovgaluk 9c708c7f9f target-mips: improve exception handling 
This patch improves exception handling in MIPS.
Instructions generate several types of exceptions.
When exception is generated, it breaks the execution of the current
translation block. Implementation of the exceptions handling does not
correctly restore icount for the instruction which caused the exception.
In most cases icount will be decreased by the value equal to the size of
TB. This patch passes pointer to the translation block internals to the
exception handler. It allows correct restoring of the icount value.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
[leon.alrae@imgtec.com: avoid retranslation in linux-user SC, break lines
 which are over 80 chars, remove v3 changelog from the commit message]
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
2015-09-18 12:07:24 +01:00

3741 lines
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/*
* MIPS emulation helpers for qemu.
*
* Copyright (c) 2004-2005 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 <stdlib.h>
#include "cpu.h"
#include "qemu/host-utils.h"
#include "exec/helper-proto.h"
#include "exec/cpu_ldst.h"
#include "sysemu/kvm.h"
#ifndef CONFIG_USER_ONLY
static inline void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global);
#endif
/*****************************************************************************/
/* Exceptions processing helpers */
void helper_raise_exception_err(CPUMIPSState *env, uint32_t exception,
int error_code)
{
do_raise_exception_err(env, exception, error_code, 0);
}
void helper_raise_exception(CPUMIPSState *env, uint32_t exception)
{
do_raise_exception(env, exception, GETPC());
}
void helper_raise_exception_debug(CPUMIPSState *env)
{
do_raise_exception(env, EXCP_DEBUG, 0);
}
static void raise_exception(CPUMIPSState *env, uint32_t exception)
{
do_raise_exception(env, exception, 0);
}
#if defined(CONFIG_USER_ONLY)
#define HELPER_LD(name, insn, type) \
static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
int mem_idx, uintptr_t retaddr) \
{ \
return (type) cpu_##insn##_data_ra(env, addr, retaddr); \
}
#else
#define HELPER_LD(name, insn, type) \
static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
int mem_idx, uintptr_t retaddr) \
{ \
switch (mem_idx) \
{ \
case 0: return (type) cpu_##insn##_kernel_ra(env, addr, retaddr); \
case 1: return (type) cpu_##insn##_super_ra(env, addr, retaddr); \
default: \
case 2: return (type) cpu_##insn##_user_ra(env, addr, retaddr); \
} \
}
#endif
HELPER_LD(lw, ldl, int32_t)
#if defined(TARGET_MIPS64)
HELPER_LD(ld, ldq, int64_t)
#endif
#undef HELPER_LD
#if defined(CONFIG_USER_ONLY)
#define HELPER_ST(name, insn, type) \
static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
type val, int mem_idx, uintptr_t retaddr) \
{ \
cpu_##insn##_data_ra(env, addr, val, retaddr); \
}
#else
#define HELPER_ST(name, insn, type) \
static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
type val, int mem_idx, uintptr_t retaddr) \
{ \
switch (mem_idx) \
{ \
case 0: cpu_##insn##_kernel_ra(env, addr, val, retaddr); break; \
case 1: cpu_##insn##_super_ra(env, addr, val, retaddr); break; \
default: \
case 2: cpu_##insn##_user_ra(env, addr, val, retaddr); break; \
} \
}
#endif
HELPER_ST(sb, stb, uint8_t)
HELPER_ST(sw, stl, uint32_t)
#if defined(TARGET_MIPS64)
HELPER_ST(sd, stq, uint64_t)
#endif
#undef HELPER_ST
target_ulong helper_clo (target_ulong arg1)
{
return clo32(arg1);
}
target_ulong helper_clz (target_ulong arg1)
{
return clz32(arg1);
}
#if defined(TARGET_MIPS64)
target_ulong helper_dclo (target_ulong arg1)
{
return clo64(arg1);
}
target_ulong helper_dclz (target_ulong arg1)
{
return clz64(arg1);
}
#endif /* TARGET_MIPS64 */
/* 64 bits arithmetic for 32 bits hosts */
static inline uint64_t get_HILO(CPUMIPSState *env)
{
return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0];
}
static inline target_ulong set_HIT0_LO(CPUMIPSState *env, uint64_t HILO)
{
target_ulong tmp;
env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
tmp = env->active_tc.HI[0] = (int32_t)(HILO >> 32);
return tmp;
}
static inline target_ulong set_HI_LOT0(CPUMIPSState *env, uint64_t HILO)
{
target_ulong tmp = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
env->active_tc.HI[0] = (int32_t)(HILO >> 32);
return tmp;
}
/* Multiplication variants of the vr54xx. */
target_ulong helper_muls(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HI_LOT0(env, 0 - ((int64_t)(int32_t)arg1 *
(int64_t)(int32_t)arg2));
}
target_ulong helper_mulsu(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HI_LOT0(env, 0 - (uint64_t)(uint32_t)arg1 *
(uint64_t)(uint32_t)arg2);
}
target_ulong helper_macc(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HI_LOT0(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
(int64_t)(int32_t)arg2);
}
target_ulong helper_macchi(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HIT0_LO(env, (int64_t)get_HILO(env) + (int64_t)(int32_t)arg1 *
(int64_t)(int32_t)arg2);
}
target_ulong helper_maccu(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HI_LOT0(env, (uint64_t)get_HILO(env) +
(uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
}
target_ulong helper_macchiu(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HIT0_LO(env, (uint64_t)get_HILO(env) +
(uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
}
target_ulong helper_msac(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HI_LOT0(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
(int64_t)(int32_t)arg2);
}
target_ulong helper_msachi(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HIT0_LO(env, (int64_t)get_HILO(env) - (int64_t)(int32_t)arg1 *
(int64_t)(int32_t)arg2);
}
target_ulong helper_msacu(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HI_LOT0(env, (uint64_t)get_HILO(env) -
(uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
}
target_ulong helper_msachiu(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HIT0_LO(env, (uint64_t)get_HILO(env) -
(uint64_t)(uint32_t)arg1 * (uint64_t)(uint32_t)arg2);
}
target_ulong helper_mulhi(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HIT0_LO(env, (int64_t)(int32_t)arg1 * (int64_t)(int32_t)arg2);
}
target_ulong helper_mulhiu(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HIT0_LO(env, (uint64_t)(uint32_t)arg1 *
(uint64_t)(uint32_t)arg2);
}
target_ulong helper_mulshi(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HIT0_LO(env, 0 - (int64_t)(int32_t)arg1 *
(int64_t)(int32_t)arg2);
}
target_ulong helper_mulshiu(CPUMIPSState *env, target_ulong arg1,
target_ulong arg2)
{
return set_HIT0_LO(env, 0 - (uint64_t)(uint32_t)arg1 *
(uint64_t)(uint32_t)arg2);
}
static inline target_ulong bitswap(target_ulong v)
{
v = ((v >> 1) & (target_ulong)0x5555555555555555ULL) |
((v & (target_ulong)0x5555555555555555ULL) << 1);
v = ((v >> 2) & (target_ulong)0x3333333333333333ULL) |
((v & (target_ulong)0x3333333333333333ULL) << 2);
v = ((v >> 4) & (target_ulong)0x0F0F0F0F0F0F0F0FULL) |
((v & (target_ulong)0x0F0F0F0F0F0F0F0FULL) << 4);
return v;
}
#ifdef TARGET_MIPS64
target_ulong helper_dbitswap(target_ulong rt)
{
return bitswap(rt);
}
#endif
target_ulong helper_bitswap(target_ulong rt)
{
return (int32_t)bitswap(rt);
}
#ifndef CONFIG_USER_ONLY
static inline hwaddr do_translate_address(CPUMIPSState *env,
target_ulong address,
int rw, uintptr_t retaddr)
{
hwaddr lladdr;
CPUState *cs = CPU(mips_env_get_cpu(env));
lladdr = cpu_mips_translate_address(env, address, rw);
if (lladdr == -1LL) {
cpu_loop_exit_restore(cs, retaddr);
} else {
return lladdr;
}
}
#define HELPER_LD_ATOMIC(name, insn, almask) \
target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
{ \
if (arg & almask) { \
env->CP0_BadVAddr = arg; \
do_raise_exception(env, EXCP_AdEL, GETPC()); \
} \
env->lladdr = do_translate_address(env, arg, 0, GETPC()); \
env->llval = do_##insn(env, arg, mem_idx, GETPC()); \
return env->llval; \
}
HELPER_LD_ATOMIC(ll, lw, 0x3)
#ifdef TARGET_MIPS64
HELPER_LD_ATOMIC(lld, ld, 0x7)
#endif
#undef HELPER_LD_ATOMIC
#define HELPER_ST_ATOMIC(name, ld_insn, st_insn, almask) \
target_ulong helper_##name(CPUMIPSState *env, target_ulong arg1, \
target_ulong arg2, int mem_idx) \
{ \
target_long tmp; \
\
if (arg2 & almask) { \
env->CP0_BadVAddr = arg2; \
do_raise_exception(env, EXCP_AdES, GETPC()); \
} \
if (do_translate_address(env, arg2, 1, GETPC()) == env->lladdr) { \
tmp = do_##ld_insn(env, arg2, mem_idx, GETPC()); \
if (tmp == env->llval) { \
do_##st_insn(env, arg2, arg1, mem_idx, GETPC()); \
return 1; \
} \
} \
return 0; \
}
HELPER_ST_ATOMIC(sc, lw, sw, 0x3)
#ifdef TARGET_MIPS64
HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
#endif
#undef HELPER_ST_ATOMIC
#endif
#ifdef TARGET_WORDS_BIGENDIAN
#define GET_LMASK(v) ((v) & 3)
#define GET_OFFSET(addr, offset) (addr + (offset))
#else
#define GET_LMASK(v) (((v) & 3) ^ 3)
#define GET_OFFSET(addr, offset) (addr - (offset))
#endif
void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
do_sb(env, arg2, (uint8_t)(arg1 >> 24), mem_idx, GETPC());
if (GET_LMASK(arg2) <= 2) {
do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16), mem_idx,
GETPC());
}
if (GET_LMASK(arg2) <= 1) {
do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8), mem_idx,
GETPC());
}
if (GET_LMASK(arg2) == 0) {
do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)arg1, mem_idx,
GETPC());
}
}
void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
do_sb(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
if (GET_LMASK(arg2) >= 1) {
do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx,
GETPC());
}
if (GET_LMASK(arg2) >= 2) {
do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx,
GETPC());
}
if (GET_LMASK(arg2) == 3) {
do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx,
GETPC());
}
}
#if defined(TARGET_MIPS64)
/* "half" load and stores. We must do the memory access inline,
or fault handling won't work. */
#ifdef TARGET_WORDS_BIGENDIAN
#define GET_LMASK64(v) ((v) & 7)
#else
#define GET_LMASK64(v) (((v) & 7) ^ 7)
#endif
void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
do_sb(env, arg2, (uint8_t)(arg1 >> 56), mem_idx, GETPC());
if (GET_LMASK64(arg2) <= 6) {
do_sb(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) <= 5) {
do_sb(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) <= 4) {
do_sb(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) <= 3) {
do_sb(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) <= 2) {
do_sb(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) <= 1) {
do_sb(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) <= 0) {
do_sb(env, GET_OFFSET(arg2, 7), (uint8_t)arg1, mem_idx,
GETPC());
}
}
void helper_sdr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
do_sb(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
if (GET_LMASK64(arg2) >= 1) {
do_sb(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) >= 2) {
do_sb(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) >= 3) {
do_sb(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) >= 4) {
do_sb(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) >= 5) {
do_sb(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) >= 6) {
do_sb(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48), mem_idx,
GETPC());
}
if (GET_LMASK64(arg2) == 7) {
do_sb(env, GET_OFFSET(arg2, -7), (uint8_t)(arg1 >> 56), mem_idx,
GETPC());
}
}
#endif /* TARGET_MIPS64 */
static const int multiple_regs[] = { 16, 17, 18, 19, 20, 21, 22, 23, 30 };
void helper_lwm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
uint32_t mem_idx)
{
target_ulong base_reglist = reglist & 0xf;
target_ulong do_r31 = reglist & 0x10;
if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
target_ulong i;
for (i = 0; i < base_reglist; i++) {
env->active_tc.gpr[multiple_regs[i]] =
(target_long)do_lw(env, addr, mem_idx, GETPC());
addr += 4;
}
}
if (do_r31) {
env->active_tc.gpr[31] = (target_long)do_lw(env, addr, mem_idx,
GETPC());
}
}
void helper_swm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
uint32_t mem_idx)
{
target_ulong base_reglist = reglist & 0xf;
target_ulong do_r31 = reglist & 0x10;
if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
target_ulong i;
for (i = 0; i < base_reglist; i++) {
do_sw(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx,
GETPC());
addr += 4;
}
}
if (do_r31) {
do_sw(env, addr, env->active_tc.gpr[31], mem_idx, GETPC());
}
}
#if defined(TARGET_MIPS64)
void helper_ldm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
uint32_t mem_idx)
{
target_ulong base_reglist = reglist & 0xf;
target_ulong do_r31 = reglist & 0x10;
if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
target_ulong i;
for (i = 0; i < base_reglist; i++) {
env->active_tc.gpr[multiple_regs[i]] = do_ld(env, addr, mem_idx,
GETPC());
addr += 8;
}
}
if (do_r31) {
env->active_tc.gpr[31] = do_ld(env, addr, mem_idx, GETPC());
}
}
void helper_sdm(CPUMIPSState *env, target_ulong addr, target_ulong reglist,
uint32_t mem_idx)
{
target_ulong base_reglist = reglist & 0xf;
target_ulong do_r31 = reglist & 0x10;
if (base_reglist > 0 && base_reglist <= ARRAY_SIZE (multiple_regs)) {
target_ulong i;
for (i = 0; i < base_reglist; i++) {
do_sd(env, addr, env->active_tc.gpr[multiple_regs[i]], mem_idx,
GETPC());
addr += 8;
}
}
if (do_r31) {
do_sd(env, addr, env->active_tc.gpr[31], mem_idx, GETPC());
}
}
#endif
#ifndef CONFIG_USER_ONLY
/* SMP helpers. */
static bool mips_vpe_is_wfi(MIPSCPU *c)
{
CPUState *cpu = CPU(c);
CPUMIPSState *env = &c->env;
/* If the VPE is halted but otherwise active, it means it's waiting for
an interrupt. */
return cpu->halted && mips_vpe_active(env);
}
static inline void mips_vpe_wake(MIPSCPU *c)
{
/* Dont set ->halted = 0 directly, let it be done via cpu_has_work
because there might be other conditions that state that c should
be sleeping. */
cpu_interrupt(CPU(c), CPU_INTERRUPT_WAKE);
}
static inline void mips_vpe_sleep(MIPSCPU *cpu)
{
CPUState *cs = CPU(cpu);
/* The VPE was shut off, really go to bed.
Reset any old _WAKE requests. */
cs->halted = 1;
cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
}
static inline void mips_tc_wake(MIPSCPU *cpu, int tc)
{
CPUMIPSState *c = &cpu->env;
/* FIXME: TC reschedule. */
if (mips_vpe_active(c) && !mips_vpe_is_wfi(cpu)) {
mips_vpe_wake(cpu);
}
}
static inline void mips_tc_sleep(MIPSCPU *cpu, int tc)
{
CPUMIPSState *c = &cpu->env;
/* FIXME: TC reschedule. */
if (!mips_vpe_active(c)) {
mips_vpe_sleep(cpu);
}
}
/**
* mips_cpu_map_tc:
* @env: CPU from which mapping is performed.
* @tc: Should point to an int with the value of the global TC index.
*
* This function will transform @tc into a local index within the
* returned #CPUMIPSState.
*/
/* FIXME: This code assumes that all VPEs have the same number of TCs,
which depends on runtime setup. Can probably be fixed by
walking the list of CPUMIPSStates. */
static CPUMIPSState *mips_cpu_map_tc(CPUMIPSState *env, int *tc)
{
MIPSCPU *cpu;
CPUState *cs;
CPUState *other_cs;
int vpe_idx;
int tc_idx = *tc;
if (!(env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))) {
/* Not allowed to address other CPUs. */
*tc = env->current_tc;
return env;
}
cs = CPU(mips_env_get_cpu(env));
vpe_idx = tc_idx / cs->nr_threads;
*tc = tc_idx % cs->nr_threads;
other_cs = qemu_get_cpu(vpe_idx);
if (other_cs == NULL) {
return env;
}
cpu = MIPS_CPU(other_cs);
return &cpu->env;
}
/* The per VPE CP0_Status register shares some fields with the per TC
CP0_TCStatus registers. These fields are wired to the same registers,
so changes to either of them should be reflected on both registers.
Also, EntryHi shares the bottom 8 bit ASID with TCStauts.
These helper call synchronizes the regs for a given cpu. */
/* Called for updates to CP0_Status. Defined in "cpu.h" for gdbstub.c. */
/* static inline void sync_c0_status(CPUMIPSState *env, CPUMIPSState *cpu,
int tc); */
/* Called for updates to CP0_TCStatus. */
static void sync_c0_tcstatus(CPUMIPSState *cpu, int tc,
target_ulong v)
{
uint32_t status;
uint32_t tcu, tmx, tasid, tksu;
uint32_t mask = ((1U << CP0St_CU3)
| (1 << CP0St_CU2)
| (1 << CP0St_CU1)
| (1 << CP0St_CU0)
| (1 << CP0St_MX)
| (3 << CP0St_KSU));
tcu = (v >> CP0TCSt_TCU0) & 0xf;
tmx = (v >> CP0TCSt_TMX) & 0x1;
tasid = v & 0xff;
tksu = (v >> CP0TCSt_TKSU) & 0x3;
status = tcu << CP0St_CU0;
status |= tmx << CP0St_MX;
status |= tksu << CP0St_KSU;
cpu->CP0_Status &= ~mask;
cpu->CP0_Status |= status;
/* Sync the TASID with EntryHi. */
cpu->CP0_EntryHi &= ~0xff;
cpu->CP0_EntryHi |= tasid;
compute_hflags(cpu);
}
/* Called for updates to CP0_EntryHi. */
static void sync_c0_entryhi(CPUMIPSState *cpu, int tc)
{
int32_t *tcst;
uint32_t asid, v = cpu->CP0_EntryHi;
asid = v & 0xff;
if (tc == cpu->current_tc) {
tcst = &cpu->active_tc.CP0_TCStatus;
} else {
tcst = &cpu->tcs[tc].CP0_TCStatus;
}
*tcst &= ~0xff;
*tcst |= asid;
}
/* CP0 helpers */
target_ulong helper_mfc0_mvpcontrol(CPUMIPSState *env)
{
return env->mvp->CP0_MVPControl;
}
target_ulong helper_mfc0_mvpconf0(CPUMIPSState *env)
{
return env->mvp->CP0_MVPConf0;
}
target_ulong helper_mfc0_mvpconf1(CPUMIPSState *env)
{
return env->mvp->CP0_MVPConf1;
}
target_ulong helper_mfc0_random(CPUMIPSState *env)
{
return (int32_t)cpu_mips_get_random(env);
}
target_ulong helper_mfc0_tcstatus(CPUMIPSState *env)
{
return env->active_tc.CP0_TCStatus;
}
target_ulong helper_mftc0_tcstatus(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.CP0_TCStatus;
else
return other->tcs[other_tc].CP0_TCStatus;
}
target_ulong helper_mfc0_tcbind(CPUMIPSState *env)
{
return env->active_tc.CP0_TCBind;
}
target_ulong helper_mftc0_tcbind(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.CP0_TCBind;
else
return other->tcs[other_tc].CP0_TCBind;
}
target_ulong helper_mfc0_tcrestart(CPUMIPSState *env)
{
return env->active_tc.PC;
}
target_ulong helper_mftc0_tcrestart(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.PC;
else
return other->tcs[other_tc].PC;
}
target_ulong helper_mfc0_tchalt(CPUMIPSState *env)
{
return env->active_tc.CP0_TCHalt;
}
target_ulong helper_mftc0_tchalt(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.CP0_TCHalt;
else
return other->tcs[other_tc].CP0_TCHalt;
}
target_ulong helper_mfc0_tccontext(CPUMIPSState *env)
{
return env->active_tc.CP0_TCContext;
}
target_ulong helper_mftc0_tccontext(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.CP0_TCContext;
else
return other->tcs[other_tc].CP0_TCContext;
}
target_ulong helper_mfc0_tcschedule(CPUMIPSState *env)
{
return env->active_tc.CP0_TCSchedule;
}
target_ulong helper_mftc0_tcschedule(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.CP0_TCSchedule;
else
return other->tcs[other_tc].CP0_TCSchedule;
}
target_ulong helper_mfc0_tcschefback(CPUMIPSState *env)
{
return env->active_tc.CP0_TCScheFBack;
}
target_ulong helper_mftc0_tcschefback(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.CP0_TCScheFBack;
else
return other->tcs[other_tc].CP0_TCScheFBack;
}
target_ulong helper_mfc0_count(CPUMIPSState *env)
{
return (int32_t)cpu_mips_get_count(env);
}
target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
return other->CP0_EntryHi;
}
target_ulong helper_mftc0_cause(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
int32_t tccause;
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc) {
tccause = other->CP0_Cause;
} else {
tccause = other->CP0_Cause;
}
return tccause;
}
target_ulong helper_mftc0_status(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
return other->CP0_Status;
}
target_ulong helper_mfc0_lladdr(CPUMIPSState *env)
{
return (int32_t)(env->lladdr >> env->CP0_LLAddr_shift);
}
target_ulong helper_mfc0_watchlo(CPUMIPSState *env, uint32_t sel)
{
return (int32_t)env->CP0_WatchLo[sel];
}
target_ulong helper_mfc0_watchhi(CPUMIPSState *env, uint32_t sel)
{
return env->CP0_WatchHi[sel];
}
target_ulong helper_mfc0_debug(CPUMIPSState *env)
{
target_ulong t0 = env->CP0_Debug;
if (env->hflags & MIPS_HFLAG_DM)
t0 |= 1 << CP0DB_DM;
return t0;
}
target_ulong helper_mftc0_debug(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
int32_t tcstatus;
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
tcstatus = other->active_tc.CP0_Debug_tcstatus;
else
tcstatus = other->tcs[other_tc].CP0_Debug_tcstatus;
/* XXX: Might be wrong, check with EJTAG spec. */
return (other->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
(tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
}
#if defined(TARGET_MIPS64)
target_ulong helper_dmfc0_tcrestart(CPUMIPSState *env)
{
return env->active_tc.PC;
}
target_ulong helper_dmfc0_tchalt(CPUMIPSState *env)
{
return env->active_tc.CP0_TCHalt;
}
target_ulong helper_dmfc0_tccontext(CPUMIPSState *env)
{
return env->active_tc.CP0_TCContext;
}
target_ulong helper_dmfc0_tcschedule(CPUMIPSState *env)
{
return env->active_tc.CP0_TCSchedule;
}
target_ulong helper_dmfc0_tcschefback(CPUMIPSState *env)
{
return env->active_tc.CP0_TCScheFBack;
}
target_ulong helper_dmfc0_lladdr(CPUMIPSState *env)
{
return env->lladdr >> env->CP0_LLAddr_shift;
}
target_ulong helper_dmfc0_watchlo(CPUMIPSState *env, uint32_t sel)
{
return env->CP0_WatchLo[sel];
}
#endif /* TARGET_MIPS64 */
void helper_mtc0_index(CPUMIPSState *env, target_ulong arg1)
{
uint32_t index_p = env->CP0_Index & 0x80000000;
uint32_t tlb_index = arg1 & 0x7fffffff;
if (tlb_index < env->tlb->nb_tlb) {
if (env->insn_flags & ISA_MIPS32R6) {
index_p |= arg1 & 0x80000000;
}
env->CP0_Index = index_p | tlb_index;
}
}
void helper_mtc0_mvpcontrol(CPUMIPSState *env, target_ulong arg1)
{
uint32_t mask = 0;
uint32_t newval;
if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP))
mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) |
(1 << CP0MVPCo_EVP);
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
mask |= (1 << CP0MVPCo_STLB);
newval = (env->mvp->CP0_MVPControl & ~mask) | (arg1 & mask);
// TODO: Enable/disable shared TLB, enable/disable VPEs.
env->mvp->CP0_MVPControl = newval;
}
void helper_mtc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
{
uint32_t mask;
uint32_t newval;
mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
(1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
newval = (env->CP0_VPEControl & ~mask) | (arg1 & mask);
/* Yield scheduler intercept not implemented. */
/* Gating storage scheduler intercept not implemented. */
// TODO: Enable/disable TCs.
env->CP0_VPEControl = newval;
}
void helper_mttc0_vpecontrol(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
uint32_t mask;
uint32_t newval;
mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) |
(1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC);
newval = (other->CP0_VPEControl & ~mask) | (arg1 & mask);
/* TODO: Enable/disable TCs. */
other->CP0_VPEControl = newval;
}
target_ulong helper_mftc0_vpecontrol(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
/* FIXME: Mask away return zero on read bits. */
return other->CP0_VPEControl;
}
target_ulong helper_mftc0_vpeconf0(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
return other->CP0_VPEConf0;
}
void helper_mtc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
{
uint32_t mask = 0;
uint32_t newval;
if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) {
if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA))
mask |= (0xff << CP0VPEC0_XTC);
mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
}
newval = (env->CP0_VPEConf0 & ~mask) | (arg1 & mask);
// TODO: TC exclusive handling due to ERL/EXL.
env->CP0_VPEConf0 = newval;
}
void helper_mttc0_vpeconf0(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
uint32_t mask = 0;
uint32_t newval;
mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA);
newval = (other->CP0_VPEConf0 & ~mask) | (arg1 & mask);
/* TODO: TC exclusive handling due to ERL/EXL. */
other->CP0_VPEConf0 = newval;
}
void helper_mtc0_vpeconf1(CPUMIPSState *env, target_ulong arg1)
{
uint32_t mask = 0;
uint32_t newval;
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) |
(0xff << CP0VPEC1_NCP1);
newval = (env->CP0_VPEConf1 & ~mask) | (arg1 & mask);
/* UDI not implemented. */
/* CP2 not implemented. */
// TODO: Handle FPU (CP1) binding.
env->CP0_VPEConf1 = newval;
}
void helper_mtc0_yqmask(CPUMIPSState *env, target_ulong arg1)
{
/* Yield qualifier inputs not implemented. */
env->CP0_YQMask = 0x00000000;
}
void helper_mtc0_vpeopt(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_VPEOpt = arg1 & 0x0000ffff;
}
#define MTC0_ENTRYLO_MASK(env) ((env->PAMask >> 6) & 0x3FFFFFFF)
void helper_mtc0_entrylo0(CPUMIPSState *env, target_ulong arg1)
{
/* 1k pages not implemented */
target_ulong rxi = arg1 & (env->CP0_PageGrain & (3u << CP0PG_XIE));
env->CP0_EntryLo0 = (arg1 & MTC0_ENTRYLO_MASK(env))
| (rxi << (CP0EnLo_XI - 30));
}
#if defined(TARGET_MIPS64)
#define DMTC0_ENTRYLO_MASK(env) (env->PAMask >> 6)
void helper_dmtc0_entrylo0(CPUMIPSState *env, uint64_t arg1)
{
uint64_t rxi = arg1 & ((env->CP0_PageGrain & (3ull << CP0PG_XIE)) << 32);
env->CP0_EntryLo0 = (arg1 & DMTC0_ENTRYLO_MASK(env)) | rxi;
}
#endif
void helper_mtc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
{
uint32_t mask = env->CP0_TCStatus_rw_bitmask;
uint32_t newval;
newval = (env->active_tc.CP0_TCStatus & ~mask) | (arg1 & mask);
env->active_tc.CP0_TCStatus = newval;
sync_c0_tcstatus(env, env->current_tc, newval);
}
void helper_mttc0_tcstatus(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
other->active_tc.CP0_TCStatus = arg1;
else
other->tcs[other_tc].CP0_TCStatus = arg1;
sync_c0_tcstatus(other, other_tc, arg1);
}
void helper_mtc0_tcbind(CPUMIPSState *env, target_ulong arg1)
{
uint32_t mask = (1 << CP0TCBd_TBE);
uint32_t newval;
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
mask |= (1 << CP0TCBd_CurVPE);
newval = (env->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
env->active_tc.CP0_TCBind = newval;
}
void helper_mttc0_tcbind(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
uint32_t mask = (1 << CP0TCBd_TBE);
uint32_t newval;
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC))
mask |= (1 << CP0TCBd_CurVPE);
if (other_tc == other->current_tc) {
newval = (other->active_tc.CP0_TCBind & ~mask) | (arg1 & mask);
other->active_tc.CP0_TCBind = newval;
} else {
newval = (other->tcs[other_tc].CP0_TCBind & ~mask) | (arg1 & mask);
other->tcs[other_tc].CP0_TCBind = newval;
}
}
void helper_mtc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
{
env->active_tc.PC = arg1;
env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
env->lladdr = 0ULL;
/* MIPS16 not implemented. */
}
void helper_mttc0_tcrestart(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc) {
other->active_tc.PC = arg1;
other->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
other->lladdr = 0ULL;
/* MIPS16 not implemented. */
} else {
other->tcs[other_tc].PC = arg1;
other->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
other->lladdr = 0ULL;
/* MIPS16 not implemented. */
}
}
void helper_mtc0_tchalt(CPUMIPSState *env, target_ulong arg1)
{
MIPSCPU *cpu = mips_env_get_cpu(env);
env->active_tc.CP0_TCHalt = arg1 & 0x1;
// TODO: Halt TC / Restart (if allocated+active) TC.
if (env->active_tc.CP0_TCHalt & 1) {
mips_tc_sleep(cpu, env->current_tc);
} else {
mips_tc_wake(cpu, env->current_tc);
}
}
void helper_mttc0_tchalt(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
MIPSCPU *other_cpu = mips_env_get_cpu(other);
// TODO: Halt TC / Restart (if allocated+active) TC.
if (other_tc == other->current_tc)
other->active_tc.CP0_TCHalt = arg1;
else
other->tcs[other_tc].CP0_TCHalt = arg1;
if (arg1 & 1) {
mips_tc_sleep(other_cpu, other_tc);
} else {
mips_tc_wake(other_cpu, other_tc);
}
}
void helper_mtc0_tccontext(CPUMIPSState *env, target_ulong arg1)
{
env->active_tc.CP0_TCContext = arg1;
}
void helper_mttc0_tccontext(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
other->active_tc.CP0_TCContext = arg1;
else
other->tcs[other_tc].CP0_TCContext = arg1;
}
void helper_mtc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
{
env->active_tc.CP0_TCSchedule = arg1;
}
void helper_mttc0_tcschedule(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
other->active_tc.CP0_TCSchedule = arg1;
else
other->tcs[other_tc].CP0_TCSchedule = arg1;
}
void helper_mtc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
{
env->active_tc.CP0_TCScheFBack = arg1;
}
void helper_mttc0_tcschefback(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
other->active_tc.CP0_TCScheFBack = arg1;
else
other->tcs[other_tc].CP0_TCScheFBack = arg1;
}
void helper_mtc0_entrylo1(CPUMIPSState *env, target_ulong arg1)
{
/* 1k pages not implemented */
target_ulong rxi = arg1 & (env->CP0_PageGrain & (3u << CP0PG_XIE));
env->CP0_EntryLo1 = (arg1 & MTC0_ENTRYLO_MASK(env))
| (rxi << (CP0EnLo_XI - 30));
}
#if defined(TARGET_MIPS64)
void helper_dmtc0_entrylo1(CPUMIPSState *env, uint64_t arg1)
{
uint64_t rxi = arg1 & ((env->CP0_PageGrain & (3ull << CP0PG_XIE)) << 32);
env->CP0_EntryLo1 = (arg1 & DMTC0_ENTRYLO_MASK(env)) | rxi;
}
#endif
void helper_mtc0_context(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (arg1 & ~0x007FFFFF);
}
void helper_mtc0_pagemask(CPUMIPSState *env, target_ulong arg1)
{
uint64_t mask = arg1 >> (TARGET_PAGE_BITS + 1);
if (!(env->insn_flags & ISA_MIPS32R6) || (arg1 == ~0) ||
(mask == 0x0000 || mask == 0x0003 || mask == 0x000F ||
mask == 0x003F || mask == 0x00FF || mask == 0x03FF ||
mask == 0x0FFF || mask == 0x3FFF || mask == 0xFFFF)) {
env->CP0_PageMask = arg1 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1));
}
}
void helper_mtc0_pagegrain(CPUMIPSState *env, target_ulong arg1)
{
/* SmartMIPS not implemented */
/* 1k pages not implemented */
env->CP0_PageGrain = (arg1 & env->CP0_PageGrain_rw_bitmask) |
(env->CP0_PageGrain & ~env->CP0_PageGrain_rw_bitmask);
compute_hflags(env);
restore_pamask(env);
}
void helper_mtc0_wired(CPUMIPSState *env, target_ulong arg1)
{
if (env->insn_flags & ISA_MIPS32R6) {
if (arg1 < env->tlb->nb_tlb) {
env->CP0_Wired = arg1;
}
} else {
env->CP0_Wired = arg1 % env->tlb->nb_tlb;
}
}
void helper_mtc0_srsconf0(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_SRSConf0 |= arg1 & env->CP0_SRSConf0_rw_bitmask;
}
void helper_mtc0_srsconf1(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_SRSConf1 |= arg1 & env->CP0_SRSConf1_rw_bitmask;
}
void helper_mtc0_srsconf2(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_SRSConf2 |= arg1 & env->CP0_SRSConf2_rw_bitmask;
}
void helper_mtc0_srsconf3(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_SRSConf3 |= arg1 & env->CP0_SRSConf3_rw_bitmask;
}
void helper_mtc0_srsconf4(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_SRSConf4 |= arg1 & env->CP0_SRSConf4_rw_bitmask;
}
void helper_mtc0_hwrena(CPUMIPSState *env, target_ulong arg1)
{
uint32_t mask = 0x0000000F;
if (env->CP0_Config3 & (1 << CP0C3_ULRI)) {
mask |= (1 << 29);
if (arg1 & (1 << 29)) {
env->hflags |= MIPS_HFLAG_HWRENA_ULR;
} else {
env->hflags &= ~MIPS_HFLAG_HWRENA_ULR;
}
}
env->CP0_HWREna = arg1 & mask;
}
void helper_mtc0_count(CPUMIPSState *env, target_ulong arg1)
{
cpu_mips_store_count(env, arg1);
}
void helper_mtc0_entryhi(CPUMIPSState *env, target_ulong arg1)
{
target_ulong old, val, mask;
mask = (TARGET_PAGE_MASK << 1) | 0xFF;
if (((env->CP0_Config4 >> CP0C4_IE) & 0x3) >= 2) {
mask |= 1 << CP0EnHi_EHINV;
}
/* 1k pages not implemented */
#if defined(TARGET_MIPS64)
if (env->insn_flags & ISA_MIPS32R6) {
int entryhi_r = extract64(arg1, 62, 2);
int config0_at = extract32(env->CP0_Config0, 13, 2);
bool no_supervisor = (env->CP0_Status_rw_bitmask & 0x8) == 0;
if ((entryhi_r == 2) ||
(entryhi_r == 1 && (no_supervisor || config0_at == 1))) {
/* skip EntryHi.R field if new value is reserved */
mask &= ~(0x3ull << 62);
}
}
mask &= env->SEGMask;
#endif
old = env->CP0_EntryHi;
val = (arg1 & mask) | (old & ~mask);
env->CP0_EntryHi = val;
if (env->CP0_Config3 & (1 << CP0C3_MT)) {
sync_c0_entryhi(env, env->current_tc);
}
/* If the ASID changes, flush qemu's TLB. */
if ((old & 0xFF) != (val & 0xFF))
cpu_mips_tlb_flush(env, 1);
}
void helper_mttc0_entryhi(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
other->CP0_EntryHi = arg1;
sync_c0_entryhi(other, other_tc);
}
void helper_mtc0_compare(CPUMIPSState *env, target_ulong arg1)
{
cpu_mips_store_compare(env, arg1);
}
void helper_mtc0_status(CPUMIPSState *env, target_ulong arg1)
{
MIPSCPU *cpu = mips_env_get_cpu(env);
uint32_t val, old;
old = env->CP0_Status;
cpu_mips_store_status(env, arg1);
val = env->CP0_Status;
if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
qemu_log("Status %08x (%08x) => %08x (%08x) Cause %08x",
old, old & env->CP0_Cause & CP0Ca_IP_mask,
val, val & env->CP0_Cause & CP0Ca_IP_mask,
env->CP0_Cause);
switch (env->hflags & MIPS_HFLAG_KSU) {
case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
case MIPS_HFLAG_KM: qemu_log("\n"); break;
default:
cpu_abort(CPU(cpu), "Invalid MMU mode!\n");
break;
}
}
}
void helper_mttc0_status(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
uint32_t mask = env->CP0_Status_rw_bitmask & ~0xf1000018;
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
other->CP0_Status = (other->CP0_Status & ~mask) | (arg1 & mask);
sync_c0_status(env, other, other_tc);
}
void helper_mtc0_intctl(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000003e0) | (arg1 & 0x000003e0);
}
void helper_mtc0_srsctl(CPUMIPSState *env, target_ulong arg1)
{
uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS);
env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (arg1 & mask);
}
void helper_mtc0_cause(CPUMIPSState *env, target_ulong arg1)
{
cpu_mips_store_cause(env, arg1);
}
void helper_mttc0_cause(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
cpu_mips_store_cause(other, arg1);
}
target_ulong helper_mftc0_epc(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
return other->CP0_EPC;
}
target_ulong helper_mftc0_ebase(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
return other->CP0_EBase;
}
void helper_mtc0_ebase(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_EBase = (env->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
}
void helper_mttc0_ebase(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
other->CP0_EBase = (other->CP0_EBase & ~0x3FFFF000) | (arg1 & 0x3FFFF000);
}
target_ulong helper_mftc0_configx(CPUMIPSState *env, target_ulong idx)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
switch (idx) {
case 0: return other->CP0_Config0;
case 1: return other->CP0_Config1;
case 2: return other->CP0_Config2;
case 3: return other->CP0_Config3;
/* 4 and 5 are reserved. */
case 6: return other->CP0_Config6;
case 7: return other->CP0_Config7;
default:
break;
}
return 0;
}
void helper_mtc0_config0(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (arg1 & 0x00000007);
}
void helper_mtc0_config2(CPUMIPSState *env, target_ulong arg1)
{
/* tertiary/secondary caches not implemented */
env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
}
void helper_mtc0_config3(CPUMIPSState *env, target_ulong arg1)
{
if (env->insn_flags & ASE_MICROMIPS) {
env->CP0_Config3 = (env->CP0_Config3 & ~(1 << CP0C3_ISA_ON_EXC)) |
(arg1 & (1 << CP0C3_ISA_ON_EXC));
}
}
void helper_mtc0_config4(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_Config4 = (env->CP0_Config4 & (~env->CP0_Config4_rw_bitmask)) |
(arg1 & env->CP0_Config4_rw_bitmask);
}
void helper_mtc0_config5(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_Config5 = (env->CP0_Config5 & (~env->CP0_Config5_rw_bitmask)) |
(arg1 & env->CP0_Config5_rw_bitmask);
compute_hflags(env);
}
void helper_mtc0_lladdr(CPUMIPSState *env, target_ulong arg1)
{
target_long mask = env->CP0_LLAddr_rw_bitmask;
arg1 = arg1 << env->CP0_LLAddr_shift;
env->lladdr = (env->lladdr & ~mask) | (arg1 & mask);
}
void helper_mtc0_watchlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
{
/* Watch exceptions for instructions, data loads, data stores
not implemented. */
env->CP0_WatchLo[sel] = (arg1 & ~0x7);
}
void helper_mtc0_watchhi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
{
env->CP0_WatchHi[sel] = (arg1 & 0x40FF0FF8);
env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & arg1 & 0x7);
}
void helper_mtc0_xcontext(CPUMIPSState *env, target_ulong arg1)
{
target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1;
env->CP0_XContext = (env->CP0_XContext & mask) | (arg1 & ~mask);
}
void helper_mtc0_framemask(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_Framemask = arg1; /* XXX */
}
void helper_mtc0_debug(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (arg1 & 0x13300120);
if (arg1 & (1 << CP0DB_DM))
env->hflags |= MIPS_HFLAG_DM;
else
env->hflags &= ~MIPS_HFLAG_DM;
}
void helper_mttc0_debug(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
uint32_t val = arg1 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt));
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
/* XXX: Might be wrong, check with EJTAG spec. */
if (other_tc == other->current_tc)
other->active_tc.CP0_Debug_tcstatus = val;
else
other->tcs[other_tc].CP0_Debug_tcstatus = val;
other->CP0_Debug = (other->CP0_Debug &
((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) |
(arg1 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt)));
}
void helper_mtc0_performance0(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_Performance0 = arg1 & 0x000007ff;
}
void helper_mtc0_taglo(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_TagLo = arg1 & 0xFFFFFCF6;
}
void helper_mtc0_datalo(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_DataLo = arg1; /* XXX */
}
void helper_mtc0_taghi(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_TagHi = arg1; /* XXX */
}
void helper_mtc0_datahi(CPUMIPSState *env, target_ulong arg1)
{
env->CP0_DataHi = arg1; /* XXX */
}
/* MIPS MT functions */
target_ulong helper_mftgpr(CPUMIPSState *env, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.gpr[sel];
else
return other->tcs[other_tc].gpr[sel];
}
target_ulong helper_mftlo(CPUMIPSState *env, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.LO[sel];
else
return other->tcs[other_tc].LO[sel];
}
target_ulong helper_mfthi(CPUMIPSState *env, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.HI[sel];
else
return other->tcs[other_tc].HI[sel];
}
target_ulong helper_mftacx(CPUMIPSState *env, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.ACX[sel];
else
return other->tcs[other_tc].ACX[sel];
}
target_ulong helper_mftdsp(CPUMIPSState *env)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
return other->active_tc.DSPControl;
else
return other->tcs[other_tc].DSPControl;
}
void helper_mttgpr(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
other->active_tc.gpr[sel] = arg1;
else
other->tcs[other_tc].gpr[sel] = arg1;
}
void helper_mttlo(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
other->active_tc.LO[sel] = arg1;
else
other->tcs[other_tc].LO[sel] = arg1;
}
void helper_mtthi(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
other->active_tc.HI[sel] = arg1;
else
other->tcs[other_tc].HI[sel] = arg1;
}
void helper_mttacx(CPUMIPSState *env, target_ulong arg1, uint32_t sel)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
other->active_tc.ACX[sel] = arg1;
else
other->tcs[other_tc].ACX[sel] = arg1;
}
void helper_mttdsp(CPUMIPSState *env, target_ulong arg1)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
if (other_tc == other->current_tc)
other->active_tc.DSPControl = arg1;
else
other->tcs[other_tc].DSPControl = arg1;
}
/* MIPS MT functions */
target_ulong helper_dmt(void)
{
// TODO
return 0;
}
target_ulong helper_emt(void)
{
// TODO
return 0;
}
target_ulong helper_dvpe(CPUMIPSState *env)
{
CPUState *other_cs = first_cpu;
target_ulong prev = env->mvp->CP0_MVPControl;
CPU_FOREACH(other_cs) {
MIPSCPU *other_cpu = MIPS_CPU(other_cs);
/* Turn off all VPEs except the one executing the dvpe. */
if (&other_cpu->env != env) {
other_cpu->env.mvp->CP0_MVPControl &= ~(1 << CP0MVPCo_EVP);
mips_vpe_sleep(other_cpu);
}
}
return prev;
}
target_ulong helper_evpe(CPUMIPSState *env)
{
CPUState *other_cs = first_cpu;
target_ulong prev = env->mvp->CP0_MVPControl;
CPU_FOREACH(other_cs) {
MIPSCPU *other_cpu = MIPS_CPU(other_cs);
if (&other_cpu->env != env
/* If the VPE is WFI, don't disturb its sleep. */
&& !mips_vpe_is_wfi(other_cpu)) {
/* Enable the VPE. */
other_cpu->env.mvp->CP0_MVPControl |= (1 << CP0MVPCo_EVP);
mips_vpe_wake(other_cpu); /* And wake it up. */
}
}
return prev;
}
#endif /* !CONFIG_USER_ONLY */
void helper_fork(target_ulong arg1, target_ulong arg2)
{
// arg1 = rt, arg2 = rs
// TODO: store to TC register
}
target_ulong helper_yield(CPUMIPSState *env, target_ulong arg)
{
target_long arg1 = arg;
if (arg1 < 0) {
/* No scheduling policy implemented. */
if (arg1 != -2) {
if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) &&
env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
do_raise_exception(env, EXCP_THREAD, GETPC());
}
}
} else if (arg1 == 0) {
if (0 /* TODO: TC underflow */) {
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
do_raise_exception(env, EXCP_THREAD, GETPC());
} else {
// TODO: Deallocate TC
}
} else if (arg1 > 0) {
/* Yield qualifier inputs not implemented. */
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
do_raise_exception(env, EXCP_THREAD, GETPC());
}
return env->CP0_YQMask;
}
#ifndef CONFIG_USER_ONLY
/* TLB management */
static void cpu_mips_tlb_flush (CPUMIPSState *env, int flush_global)
{
MIPSCPU *cpu = mips_env_get_cpu(env);
/* Flush qemu's TLB and discard all shadowed entries. */
tlb_flush(CPU(cpu), flush_global);
env->tlb->tlb_in_use = env->tlb->nb_tlb;
}
static void r4k_mips_tlb_flush_extra (CPUMIPSState *env, int first)
{
/* Discard entries from env->tlb[first] onwards. */
while (env->tlb->tlb_in_use > first) {
r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
}
}
static inline uint64_t get_tlb_pfn_from_entrylo(uint64_t entrylo)
{
#if defined(TARGET_MIPS64)
return extract64(entrylo, 6, 54);
#else
return extract64(entrylo, 6, 24) | /* PFN */
(extract64(entrylo, 32, 32) << 24); /* PFNX */
#endif
}
static void r4k_fill_tlb(CPUMIPSState *env, int idx)
{
r4k_tlb_t *tlb;
/* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
tlb = &env->tlb->mmu.r4k.tlb[idx];
if (env->CP0_EntryHi & (1 << CP0EnHi_EHINV)) {
tlb->EHINV = 1;
return;
}
tlb->EHINV = 0;
tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
#if defined(TARGET_MIPS64)
tlb->VPN &= env->SEGMask;
#endif
tlb->ASID = env->CP0_EntryHi & 0xFF;
tlb->PageMask = env->CP0_PageMask;
tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
tlb->V0 = (env->CP0_EntryLo0 & 2) != 0;
tlb->D0 = (env->CP0_EntryLo0 & 4) != 0;
tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7;
tlb->XI0 = (env->CP0_EntryLo0 >> CP0EnLo_XI) & 1;
tlb->RI0 = (env->CP0_EntryLo0 >> CP0EnLo_RI) & 1;
tlb->PFN[0] = get_tlb_pfn_from_entrylo(env->CP0_EntryLo0) << 12;
tlb->V1 = (env->CP0_EntryLo1 & 2) != 0;
tlb->D1 = (env->CP0_EntryLo1 & 4) != 0;
tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7;
tlb->XI1 = (env->CP0_EntryLo1 >> CP0EnLo_XI) & 1;
tlb->RI1 = (env->CP0_EntryLo1 >> CP0EnLo_RI) & 1;
tlb->PFN[1] = get_tlb_pfn_from_entrylo(env->CP0_EntryLo1) << 12;
}
void r4k_helper_tlbinv(CPUMIPSState *env)
{
int idx;
r4k_tlb_t *tlb;
uint8_t ASID = env->CP0_EntryHi & 0xFF;
for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
tlb = &env->tlb->mmu.r4k.tlb[idx];
if (!tlb->G && tlb->ASID == ASID) {
tlb->EHINV = 1;
}
}
cpu_mips_tlb_flush(env, 1);
}
void r4k_helper_tlbinvf(CPUMIPSState *env)
{
int idx;
for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
env->tlb->mmu.r4k.tlb[idx].EHINV = 1;
}
cpu_mips_tlb_flush(env, 1);
}
void r4k_helper_tlbwi(CPUMIPSState *env)
{
r4k_tlb_t *tlb;
int idx;
target_ulong VPN;
uint8_t ASID;
bool G, V0, D0, V1, D1;
idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
tlb = &env->tlb->mmu.r4k.tlb[idx];
VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
#if defined(TARGET_MIPS64)
VPN &= env->SEGMask;
#endif
ASID = env->CP0_EntryHi & 0xff;
G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
V0 = (env->CP0_EntryLo0 & 2) != 0;
D0 = (env->CP0_EntryLo0 & 4) != 0;
V1 = (env->CP0_EntryLo1 & 2) != 0;
D1 = (env->CP0_EntryLo1 & 4) != 0;
/* Discard cached TLB entries, unless tlbwi is just upgrading access
permissions on the current entry. */
if (tlb->VPN != VPN || tlb->ASID != ASID || tlb->G != G ||
(tlb->V0 && !V0) || (tlb->D0 && !D0) ||
(tlb->V1 && !V1) || (tlb->D1 && !D1)) {
r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
}
r4k_invalidate_tlb(env, idx, 0);
r4k_fill_tlb(env, idx);
}
void r4k_helper_tlbwr(CPUMIPSState *env)
{
int r = cpu_mips_get_random(env);
r4k_invalidate_tlb(env, r, 1);
r4k_fill_tlb(env, r);
}
void r4k_helper_tlbp(CPUMIPSState *env)
{
r4k_tlb_t *tlb;
target_ulong mask;
target_ulong tag;
target_ulong VPN;
uint8_t ASID;
int i;
ASID = env->CP0_EntryHi & 0xFF;
for (i = 0; i < env->tlb->nb_tlb; i++) {
tlb = &env->tlb->mmu.r4k.tlb[i];
/* 1k pages are not supported. */
mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
tag = env->CP0_EntryHi & ~mask;
VPN = tlb->VPN & ~mask;
#if defined(TARGET_MIPS64)
tag &= env->SEGMask;
#endif
/* Check ASID, virtual page number & size */
if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag && !tlb->EHINV) {
/* TLB match */
env->CP0_Index = i;
break;
}
}
if (i == env->tlb->nb_tlb) {
/* No match. Discard any shadow entries, if any of them match. */
for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
tlb = &env->tlb->mmu.r4k.tlb[i];
/* 1k pages are not supported. */
mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
tag = env->CP0_EntryHi & ~mask;
VPN = tlb->VPN & ~mask;
#if defined(TARGET_MIPS64)
tag &= env->SEGMask;
#endif
/* Check ASID, virtual page number & size */
if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) {
r4k_mips_tlb_flush_extra (env, i);
break;
}
}
env->CP0_Index |= 0x80000000;
}
}
static inline uint64_t get_entrylo_pfn_from_tlb(uint64_t tlb_pfn)
{
#if defined(TARGET_MIPS64)
return tlb_pfn << 6;
#else
return (extract64(tlb_pfn, 0, 24) << 6) | /* PFN */
(extract64(tlb_pfn, 24, 32) << 32); /* PFNX */
#endif
}
void r4k_helper_tlbr(CPUMIPSState *env)
{
r4k_tlb_t *tlb;
uint8_t ASID;
int idx;
ASID = env->CP0_EntryHi & 0xFF;
idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
tlb = &env->tlb->mmu.r4k.tlb[idx];
/* If this will change the current ASID, flush qemu's TLB. */
if (ASID != tlb->ASID)
cpu_mips_tlb_flush (env, 1);
r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb);
if (tlb->EHINV) {
env->CP0_EntryHi = 1 << CP0EnHi_EHINV;
env->CP0_PageMask = 0;
env->CP0_EntryLo0 = 0;
env->CP0_EntryLo1 = 0;
} else {
env->CP0_EntryHi = tlb->VPN | tlb->ASID;
env->CP0_PageMask = tlb->PageMask;
env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) |
((uint64_t)tlb->RI0 << CP0EnLo_RI) |
((uint64_t)tlb->XI0 << CP0EnLo_XI) | (tlb->C0 << 3) |
get_entrylo_pfn_from_tlb(tlb->PFN[0] >> 12);
env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) |
((uint64_t)tlb->RI1 << CP0EnLo_RI) |
((uint64_t)tlb->XI1 << CP0EnLo_XI) | (tlb->C1 << 3) |
get_entrylo_pfn_from_tlb(tlb->PFN[1] >> 12);
}
}
void helper_tlbwi(CPUMIPSState *env)
{
env->tlb->helper_tlbwi(env);
}
void helper_tlbwr(CPUMIPSState *env)
{
env->tlb->helper_tlbwr(env);
}
void helper_tlbp(CPUMIPSState *env)
{
env->tlb->helper_tlbp(env);
}
void helper_tlbr(CPUMIPSState *env)
{
env->tlb->helper_tlbr(env);
}
void helper_tlbinv(CPUMIPSState *env)
{
env->tlb->helper_tlbinv(env);
}
void helper_tlbinvf(CPUMIPSState *env)
{
env->tlb->helper_tlbinvf(env);
}
/* Specials */
target_ulong helper_di(CPUMIPSState *env)
{
target_ulong t0 = env->CP0_Status;
env->CP0_Status = t0 & ~(1 << CP0St_IE);
return t0;
}
target_ulong helper_ei(CPUMIPSState *env)
{
target_ulong t0 = env->CP0_Status;
env->CP0_Status = t0 | (1 << CP0St_IE);
return t0;
}
static void debug_pre_eret(CPUMIPSState *env)
{
if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
qemu_log("ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
env->active_tc.PC, env->CP0_EPC);
if (env->CP0_Status & (1 << CP0St_ERL))
qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
if (env->hflags & MIPS_HFLAG_DM)
qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
qemu_log("\n");
}
}
static void debug_post_eret(CPUMIPSState *env)
{
MIPSCPU *cpu = mips_env_get_cpu(env);
if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
qemu_log(" => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx,
env->active_tc.PC, env->CP0_EPC);
if (env->CP0_Status & (1 << CP0St_ERL))
qemu_log(" ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
if (env->hflags & MIPS_HFLAG_DM)
qemu_log(" DEPC " TARGET_FMT_lx, env->CP0_DEPC);
switch (env->hflags & MIPS_HFLAG_KSU) {
case MIPS_HFLAG_UM: qemu_log(", UM\n"); break;
case MIPS_HFLAG_SM: qemu_log(", SM\n"); break;
case MIPS_HFLAG_KM: qemu_log("\n"); break;
default:
cpu_abort(CPU(cpu), "Invalid MMU mode!\n");
break;
}
}
}
static void set_pc(CPUMIPSState *env, target_ulong error_pc)
{
env->active_tc.PC = error_pc & ~(target_ulong)1;
if (error_pc & 1) {
env->hflags |= MIPS_HFLAG_M16;
} else {
env->hflags &= ~(MIPS_HFLAG_M16);
}
}
static inline void exception_return(CPUMIPSState *env)
{
debug_pre_eret(env);
if (env->CP0_Status & (1 << CP0St_ERL)) {
set_pc(env, env->CP0_ErrorEPC);
env->CP0_Status &= ~(1 << CP0St_ERL);
} else {
set_pc(env, env->CP0_EPC);
env->CP0_Status &= ~(1 << CP0St_EXL);
}
compute_hflags(env);
debug_post_eret(env);
}
void helper_eret(CPUMIPSState *env)
{
exception_return(env);
env->lladdr = 1;
}
void helper_eretnc(CPUMIPSState *env)
{
exception_return(env);
}
void helper_deret(CPUMIPSState *env)
{
debug_pre_eret(env);
set_pc(env, env->CP0_DEPC);
env->hflags &= ~MIPS_HFLAG_DM;
compute_hflags(env);
debug_post_eret(env);
}
#endif /* !CONFIG_USER_ONLY */
target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
{
if ((env->hflags & MIPS_HFLAG_CP0) ||
(env->CP0_HWREna & (1 << 0)))
return env->CP0_EBase & 0x3ff;
else
do_raise_exception(env, EXCP_RI, GETPC());
return 0;
}
target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
{
if ((env->hflags & MIPS_HFLAG_CP0) ||
(env->CP0_HWREna & (1 << 1)))
return env->SYNCI_Step;
else
do_raise_exception(env, EXCP_RI, GETPC());
return 0;
}
target_ulong helper_rdhwr_cc(CPUMIPSState *env)
{
if ((env->hflags & MIPS_HFLAG_CP0) ||
(env->CP0_HWREna & (1 << 2))) {
#ifdef CONFIG_USER_ONLY
return env->CP0_Count;
#else
return (int32_t)cpu_mips_get_count(env);
#endif
} else {
do_raise_exception(env, EXCP_RI, GETPC());
}
return 0;
}
target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
{
if ((env->hflags & MIPS_HFLAG_CP0) ||
(env->CP0_HWREna & (1 << 3)))
return env->CCRes;
else
do_raise_exception(env, EXCP_RI, GETPC());
return 0;
}
void helper_pmon(CPUMIPSState *env, int function)
{
function /= 2;
switch (function) {
case 2: /* TODO: char inbyte(int waitflag); */
if (env->active_tc.gpr[4] == 0)
env->active_tc.gpr[2] = -1;
/* Fall through */
case 11: /* TODO: char inbyte (void); */
env->active_tc.gpr[2] = -1;
break;
case 3:
case 12:
printf("%c", (char)(env->active_tc.gpr[4] & 0xFF));
break;
case 17:
break;
case 158:
{
unsigned char *fmt = (void *)(uintptr_t)env->active_tc.gpr[4];
printf("%s", fmt);
}
break;
}
}
void helper_wait(CPUMIPSState *env)
{
CPUState *cs = CPU(mips_env_get_cpu(env));
cs->halted = 1;
cpu_reset_interrupt(cs, CPU_INTERRUPT_WAKE);
/* Last instruction in the block, PC was updated before
- no need to recover PC and icount */
raise_exception(env, EXCP_HLT);
}
#if !defined(CONFIG_USER_ONLY)
void mips_cpu_do_unaligned_access(CPUState *cs, vaddr addr,
int access_type, int is_user,
uintptr_t retaddr)
{
MIPSCPU *cpu = MIPS_CPU(cs);
CPUMIPSState *env = &cpu->env;
int error_code = 0;
int excp;
env->CP0_BadVAddr = addr;
if (access_type == MMU_DATA_STORE) {
excp = EXCP_AdES;
} else {
excp = EXCP_AdEL;
if (access_type == MMU_INST_FETCH) {
error_code |= EXCP_INST_NOTAVAIL;
}
}
do_raise_exception_err(env, excp, error_code, retaddr);
}
void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
uintptr_t retaddr)
{
int ret;
ret = mips_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
if (ret) {
MIPSCPU *cpu = MIPS_CPU(cs);
CPUMIPSState *env = &cpu->env;
do_raise_exception_err(env, cs->exception_index,
env->error_code, retaddr);
}
}
void mips_cpu_unassigned_access(CPUState *cs, hwaddr addr,
bool is_write, bool is_exec, int unused,
unsigned size)
{
MIPSCPU *cpu = MIPS_CPU(cs);
CPUMIPSState *env = &cpu->env;
/*
* Raising an exception with KVM enabled will crash because it won't be from
* the main execution loop so the longjmp won't have a matching setjmp.
* Until we can trigger a bus error exception through KVM lets just ignore
* the access.
*/
if (kvm_enabled()) {
return;
}
if (is_exec) {
raise_exception(env, EXCP_IBE);
} else {
raise_exception(env, EXCP_DBE);
}
}
#endif /* !CONFIG_USER_ONLY */
/* Complex FPU operations which may need stack space. */
#define FLOAT_TWO32 make_float32(1 << 30)
#define FLOAT_TWO64 make_float64(1ULL << 62)
#define FP_TO_INT32_OVERFLOW 0x7fffffff
#define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
/* convert MIPS rounding mode in FCR31 to IEEE library */
unsigned int ieee_rm[] = {
float_round_nearest_even,
float_round_to_zero,
float_round_up,
float_round_down
};
target_ulong helper_cfc1(CPUMIPSState *env, uint32_t reg)
{
target_ulong arg1 = 0;
switch (reg) {
case 0:
arg1 = (int32_t)env->active_fpu.fcr0;
break;
case 1:
/* UFR Support - Read Status FR */
if (env->active_fpu.fcr0 & (1 << FCR0_UFRP)) {
if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
arg1 = (int32_t)
((env->CP0_Status & (1 << CP0St_FR)) >> CP0St_FR);
} else {
do_raise_exception(env, EXCP_RI, GETPC());
}
}
break;
case 5:
/* FRE Support - read Config5.FRE bit */
if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) {
if (env->CP0_Config5 & (1 << CP0C5_UFE)) {
arg1 = (env->CP0_Config5 >> CP0C5_FRE) & 1;
} else {
helper_raise_exception(env, EXCP_RI);
}
}
break;
case 25:
arg1 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1);
break;
case 26:
arg1 = env->active_fpu.fcr31 & 0x0003f07c;
break;
case 28:
arg1 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4);
break;
default:
arg1 = (int32_t)env->active_fpu.fcr31;
break;
}
return arg1;
}
void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt)
{
switch (fs) {
case 1:
/* UFR Alias - Reset Status FR */
if (!((env->active_fpu.fcr0 & (1 << FCR0_UFRP)) && (rt == 0))) {
return;
}
if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
env->CP0_Status &= ~(1 << CP0St_FR);
compute_hflags(env);
} else {
do_raise_exception(env, EXCP_RI, GETPC());
}
break;
case 4:
/* UNFR Alias - Set Status FR */
if (!((env->active_fpu.fcr0 & (1 << FCR0_UFRP)) && (rt == 0))) {
return;
}
if (env->CP0_Config5 & (1 << CP0C5_UFR)) {
env->CP0_Status |= (1 << CP0St_FR);
compute_hflags(env);
} else {
do_raise_exception(env, EXCP_RI, GETPC());
}
break;
case 5:
/* FRE Support - clear Config5.FRE bit */
if (!((env->active_fpu.fcr0 & (1 << FCR0_FREP)) && (rt == 0))) {
return;
}
if (env->CP0_Config5 & (1 << CP0C5_UFE)) {
env->CP0_Config5 &= ~(1 << CP0C5_FRE);
compute_hflags(env);
} else {
helper_raise_exception(env, EXCP_RI);
}
break;
case 6:
/* FRE Support - set Config5.FRE bit */
if (!((env->active_fpu.fcr0 & (1 << FCR0_FREP)) && (rt == 0))) {
return;
}
if (env->CP0_Config5 & (1 << CP0C5_UFE)) {
env->CP0_Config5 |= (1 << CP0C5_FRE);
compute_hflags(env);
} else {
helper_raise_exception(env, EXCP_RI);
}
break;
case 25:
if ((env->insn_flags & ISA_MIPS32R6) || (arg1 & 0xffffff00)) {
return;
}
env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((arg1 & 0xfe) << 24) |
((arg1 & 0x1) << 23);
break;
case 26:
if (arg1 & 0x007c0000)
return;
env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (arg1 & 0x0003f07c);
break;
case 28:
if (arg1 & 0x007c0000)
return;
env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (arg1 & 0x00000f83) |
((arg1 & 0x4) << 22);
break;
case 31:
if (env->insn_flags & ISA_MIPS32R6) {
uint32_t mask = 0xfefc0000;
env->active_fpu.fcr31 = (arg1 & ~mask) |
(env->active_fpu.fcr31 & mask);
} else if (!(arg1 & 0x007c0000)) {
env->active_fpu.fcr31 = arg1;
}
break;
default:
return;
}
/* set rounding mode */
restore_rounding_mode(env);
/* set flush-to-zero mode */
restore_flush_mode(env);
set_float_exception_flags(0, &env->active_fpu.fp_status);
if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31))
do_raise_exception(env, EXCP_FPE, GETPC());
}
int ieee_ex_to_mips(int xcpt)
{
int ret = 0;
if (xcpt) {
if (xcpt & float_flag_invalid) {
ret |= FP_INVALID;
}
if (xcpt & float_flag_overflow) {
ret |= FP_OVERFLOW;
}
if (xcpt & float_flag_underflow) {
ret |= FP_UNDERFLOW;
}
if (xcpt & float_flag_divbyzero) {
ret |= FP_DIV0;
}
if (xcpt & float_flag_inexact) {
ret |= FP_INEXACT;
}
}
return ret;
}
static inline void update_fcr31(CPUMIPSState *env, uintptr_t pc)
{
int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
SET_FP_CAUSE(env->active_fpu.fcr31, tmp);
if (tmp) {
set_float_exception_flags(0, &env->active_fpu.fp_status);
if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp) {
do_raise_exception(env, EXCP_FPE, pc);
} else {
UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp);
}
}
}
/* Float support.
Single precition routines have a "s" suffix, double precision a
"d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
paired single lower "pl", paired single upper "pu". */
/* unary operations, modifying fp status */
uint64_t helper_float_sqrt_d(CPUMIPSState *env, uint64_t fdt0)
{
fdt0 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fdt0;
}
uint32_t helper_float_sqrt_s(CPUMIPSState *env, uint32_t fst0)
{
fst0 = float32_sqrt(fst0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fst0;
}
uint64_t helper_float_cvtd_s(CPUMIPSState *env, uint32_t fst0)
{
uint64_t fdt2;
fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fdt2;
}
uint64_t helper_float_cvtd_w(CPUMIPSState *env, uint32_t wt0)
{
uint64_t fdt2;
fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fdt2;
}
uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
{
uint64_t fdt2;
fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fdt2;
}
uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
{
uint64_t dt2;
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
{
uint64_t dt2;
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint64_t helper_float_cvtps_pw(CPUMIPSState *env, uint64_t dt0)
{
uint32_t fst2;
uint32_t fsth2;
fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return ((uint64_t)fsth2 << 32) | fst2;
}
uint64_t helper_float_cvtpw_ps(CPUMIPSState *env, uint64_t fdt0)
{
uint32_t wt2;
uint32_t wth2;
int excp, excph;
wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
excp = get_float_exception_flags(&env->active_fpu.fp_status);
if (excp & (float_flag_overflow | float_flag_invalid)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
set_float_exception_flags(0, &env->active_fpu.fp_status);
wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
excph = get_float_exception_flags(&env->active_fpu.fp_status);
if (excph & (float_flag_overflow | float_flag_invalid)) {
wth2 = FP_TO_INT32_OVERFLOW;
}
set_float_exception_flags(excp | excph, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return ((uint64_t)wth2 << 32) | wt2;
}
uint32_t helper_float_cvts_d(CPUMIPSState *env, uint64_t fdt0)
{
uint32_t fst2;
fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fst2;
}
uint32_t helper_float_cvts_w(CPUMIPSState *env, uint32_t wt0)
{
uint32_t fst2;
fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fst2;
}
uint32_t helper_float_cvts_l(CPUMIPSState *env, uint64_t dt0)
{
uint32_t fst2;
fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fst2;
}
uint32_t helper_float_cvts_pl(CPUMIPSState *env, uint32_t wt0)
{
uint32_t wt2;
wt2 = wt0;
update_fcr31(env, GETPC());
return wt2;
}
uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
{
uint32_t wt2;
wt2 = wth0;
update_fcr31(env, GETPC());
return wt2;
}
uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
{
uint32_t wt2;
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
{
uint32_t wt2;
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
{
uint64_t dt2;
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
{
uint64_t dt2;
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
{
uint32_t wt2;
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
{
uint32_t wt2;
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status);
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
{
uint64_t dt2;
dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
{
uint64_t dt2;
dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
{
uint32_t wt2;
wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
{
uint32_t wt2;
wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
{
uint64_t dt2;
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
{
uint64_t dt2;
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
{
uint32_t wt2;
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
{
uint32_t wt2;
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
{
uint64_t dt2;
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
{
uint64_t dt2;
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
dt2 = FP_TO_INT64_OVERFLOW;
}
update_fcr31(env, GETPC());
return dt2;
}
uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
{
uint32_t wt2;
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
{
uint32_t wt2;
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
restore_rounding_mode(env);
if (get_float_exception_flags(&env->active_fpu.fp_status)
& (float_flag_invalid | float_flag_overflow)) {
wt2 = FP_TO_INT32_OVERFLOW;
}
update_fcr31(env, GETPC());
return wt2;
}
/* unary operations, not modifying fp status */
#define FLOAT_UNOP(name) \
uint64_t helper_float_ ## name ## _d(uint64_t fdt0) \
{ \
return float64_ ## name(fdt0); \
} \
uint32_t helper_float_ ## name ## _s(uint32_t fst0) \
{ \
return float32_ ## name(fst0); \
} \
uint64_t helper_float_ ## name ## _ps(uint64_t fdt0) \
{ \
uint32_t wt0; \
uint32_t wth0; \
\
wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \
wth0 = float32_ ## name(fdt0 >> 32); \
return ((uint64_t)wth0 << 32) | wt0; \
}
FLOAT_UNOP(abs)
FLOAT_UNOP(chs)
#undef FLOAT_UNOP
/* MIPS specific unary operations */
uint64_t helper_float_recip_d(CPUMIPSState *env, uint64_t fdt0)
{
uint64_t fdt2;
fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fdt2;
}
uint32_t helper_float_recip_s(CPUMIPSState *env, uint32_t fst0)
{
uint32_t fst2;
fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fst2;
}
uint64_t helper_float_rsqrt_d(CPUMIPSState *env, uint64_t fdt0)
{
uint64_t fdt2;
fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fdt2;
}
uint32_t helper_float_rsqrt_s(CPUMIPSState *env, uint32_t fst0)
{
uint32_t fst2;
fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fst2;
}
uint64_t helper_float_recip1_d(CPUMIPSState *env, uint64_t fdt0)
{
uint64_t fdt2;
fdt2 = float64_div(float64_one, fdt0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fdt2;
}
uint32_t helper_float_recip1_s(CPUMIPSState *env, uint32_t fst0)
{
uint32_t fst2;
fst2 = float32_div(float32_one, fst0, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fst2;
}
uint64_t helper_float_recip1_ps(CPUMIPSState *env, uint64_t fdt0)
{
uint32_t fst2;
uint32_t fsth2;
fst2 = float32_div(float32_one, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
fsth2 = float32_div(float32_one, fdt0 >> 32, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return ((uint64_t)fsth2 << 32) | fst2;
}
uint64_t helper_float_rsqrt1_d(CPUMIPSState *env, uint64_t fdt0)
{
uint64_t fdt2;
fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status);
fdt2 = float64_div(float64_one, fdt2, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fdt2;
}
uint32_t helper_float_rsqrt1_s(CPUMIPSState *env, uint32_t fst0)
{
uint32_t fst2;
fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status);
fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return fst2;
}
uint64_t helper_float_rsqrt1_ps(CPUMIPSState *env, uint64_t fdt0)
{
uint32_t fst2;
uint32_t fsth2;
fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
fst2 = float32_div(float32_one, fst2, &env->active_fpu.fp_status);
fsth2 = float32_div(float32_one, fsth2, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return ((uint64_t)fsth2 << 32) | fst2;
}
#define FLOAT_RINT(name, bits) \
uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
uint ## bits ## _t fs) \
{ \
uint ## bits ## _t fdret; \
\
fdret = float ## bits ## _round_to_int(fs, &env->active_fpu.fp_status); \
update_fcr31(env, GETPC()); \
return fdret; \
}
FLOAT_RINT(rint_s, 32)
FLOAT_RINT(rint_d, 64)
#undef FLOAT_RINT
#define FLOAT_CLASS_SIGNALING_NAN 0x001
#define FLOAT_CLASS_QUIET_NAN 0x002
#define FLOAT_CLASS_NEGATIVE_INFINITY 0x004
#define FLOAT_CLASS_NEGATIVE_NORMAL 0x008
#define FLOAT_CLASS_NEGATIVE_SUBNORMAL 0x010
#define FLOAT_CLASS_NEGATIVE_ZERO 0x020
#define FLOAT_CLASS_POSITIVE_INFINITY 0x040
#define FLOAT_CLASS_POSITIVE_NORMAL 0x080
#define FLOAT_CLASS_POSITIVE_SUBNORMAL 0x100
#define FLOAT_CLASS_POSITIVE_ZERO 0x200
#define FLOAT_CLASS(name, bits) \
uint ## bits ## _t helper_float_ ## name (uint ## bits ## _t arg) \
{ \
if (float ## bits ## _is_signaling_nan(arg)) { \
return FLOAT_CLASS_SIGNALING_NAN; \
} else if (float ## bits ## _is_quiet_nan(arg)) { \
return FLOAT_CLASS_QUIET_NAN; \
} else if (float ## bits ## _is_neg(arg)) { \
if (float ## bits ## _is_infinity(arg)) { \
return FLOAT_CLASS_NEGATIVE_INFINITY; \
} else if (float ## bits ## _is_zero(arg)) { \
return FLOAT_CLASS_NEGATIVE_ZERO; \
} else if (float ## bits ## _is_zero_or_denormal(arg)) { \
return FLOAT_CLASS_NEGATIVE_SUBNORMAL; \
} else { \
return FLOAT_CLASS_NEGATIVE_NORMAL; \
} \
} else { \
if (float ## bits ## _is_infinity(arg)) { \
return FLOAT_CLASS_POSITIVE_INFINITY; \
} else if (float ## bits ## _is_zero(arg)) { \
return FLOAT_CLASS_POSITIVE_ZERO; \
} else if (float ## bits ## _is_zero_or_denormal(arg)) { \
return FLOAT_CLASS_POSITIVE_SUBNORMAL; \
} else { \
return FLOAT_CLASS_POSITIVE_NORMAL; \
} \
} \
}
FLOAT_CLASS(class_s, 32)
FLOAT_CLASS(class_d, 64)
#undef FLOAT_CLASS
/* binary operations */
#define FLOAT_BINOP(name) \
uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
uint64_t fdt0, uint64_t fdt1) \
{ \
uint64_t dt2; \
\
dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \
update_fcr31(env, GETPC()); \
return dt2; \
} \
\
uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
uint32_t fst0, uint32_t fst1) \
{ \
uint32_t wt2; \
\
wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
update_fcr31(env, GETPC()); \
return wt2; \
} \
\
uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
uint64_t fdt0, \
uint64_t fdt1) \
{ \
uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
uint32_t fsth0 = fdt0 >> 32; \
uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
uint32_t fsth1 = fdt1 >> 32; \
uint32_t wt2; \
uint32_t wth2; \
\
wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \
wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \
update_fcr31(env, GETPC()); \
return ((uint64_t)wth2 << 32) | wt2; \
}
FLOAT_BINOP(add)
FLOAT_BINOP(sub)
FLOAT_BINOP(mul)
FLOAT_BINOP(div)
#undef FLOAT_BINOP
/* MIPS specific binary operations */
uint64_t helper_float_recip2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
{
fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
fdt2 = float64_chs(float64_sub(fdt2, float64_one, &env->active_fpu.fp_status));
update_fcr31(env, GETPC());
return fdt2;
}
uint32_t helper_float_recip2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
{
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
update_fcr31(env, GETPC());
return fst2;
}
uint64_t helper_float_recip2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
{
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
uint32_t fsth0 = fdt0 >> 32;
uint32_t fst2 = fdt2 & 0XFFFFFFFF;
uint32_t fsth2 = fdt2 >> 32;
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
fst2 = float32_chs(float32_sub(fst2, float32_one, &env->active_fpu.fp_status));
fsth2 = float32_chs(float32_sub(fsth2, float32_one, &env->active_fpu.fp_status));
update_fcr31(env, GETPC());
return ((uint64_t)fsth2 << 32) | fst2;
}
uint64_t helper_float_rsqrt2_d(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
{
fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status);
fdt2 = float64_sub(fdt2, float64_one, &env->active_fpu.fp_status);
fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status));
update_fcr31(env, GETPC());
return fdt2;
}
uint32_t helper_float_rsqrt2_s(CPUMIPSState *env, uint32_t fst0, uint32_t fst2)
{
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
update_fcr31(env, GETPC());
return fst2;
}
uint64_t helper_float_rsqrt2_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt2)
{
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
uint32_t fsth0 = fdt0 >> 32;
uint32_t fst2 = fdt2 & 0XFFFFFFFF;
uint32_t fsth2 = fdt2 >> 32;
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status);
fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status);
fst2 = float32_sub(fst2, float32_one, &env->active_fpu.fp_status);
fsth2 = float32_sub(fsth2, float32_one, &env->active_fpu.fp_status);
fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status));
fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status));
update_fcr31(env, GETPC());
return ((uint64_t)fsth2 << 32) | fst2;
}
uint64_t helper_float_addr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
{
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
uint32_t fsth0 = fdt0 >> 32;
uint32_t fst1 = fdt1 & 0XFFFFFFFF;
uint32_t fsth1 = fdt1 >> 32;
uint32_t fst2;
uint32_t fsth2;
fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status);
fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return ((uint64_t)fsth2 << 32) | fst2;
}
uint64_t helper_float_mulr_ps(CPUMIPSState *env, uint64_t fdt0, uint64_t fdt1)
{
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
uint32_t fsth0 = fdt0 >> 32;
uint32_t fst1 = fdt1 & 0XFFFFFFFF;
uint32_t fsth1 = fdt1 >> 32;
uint32_t fst2;
uint32_t fsth2;
fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status);
fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status);
update_fcr31(env, GETPC());
return ((uint64_t)fsth2 << 32) | fst2;
}
#define FLOAT_MINMAX(name, bits, minmaxfunc) \
uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
uint ## bits ## _t fs, \
uint ## bits ## _t ft) \
{ \
uint ## bits ## _t fdret; \
\
fdret = float ## bits ## _ ## minmaxfunc(fs, ft, \
&env->active_fpu.fp_status); \
update_fcr31(env, GETPC()); \
return fdret; \
}
FLOAT_MINMAX(max_s, 32, maxnum)
FLOAT_MINMAX(max_d, 64, maxnum)
FLOAT_MINMAX(maxa_s, 32, maxnummag)
FLOAT_MINMAX(maxa_d, 64, maxnummag)
FLOAT_MINMAX(min_s, 32, minnum)
FLOAT_MINMAX(min_d, 64, minnum)
FLOAT_MINMAX(mina_s, 32, minnummag)
FLOAT_MINMAX(mina_d, 64, minnummag)
#undef FLOAT_MINMAX
/* ternary operations */
#define UNFUSED_FMA(prefix, a, b, c, flags) \
{ \
a = prefix##_mul(a, b, &env->active_fpu.fp_status); \
if ((flags) & float_muladd_negate_c) { \
a = prefix##_sub(a, c, &env->active_fpu.fp_status); \
} else { \
a = prefix##_add(a, c, &env->active_fpu.fp_status); \
} \
if ((flags) & float_muladd_negate_result) { \
a = prefix##_chs(a); \
} \
}
/* FMA based operations */
#define FLOAT_FMA(name, type) \
uint64_t helper_float_ ## name ## _d(CPUMIPSState *env, \
uint64_t fdt0, uint64_t fdt1, \
uint64_t fdt2) \
{ \
UNFUSED_FMA(float64, fdt0, fdt1, fdt2, type); \
update_fcr31(env, GETPC()); \
return fdt0; \
} \
\
uint32_t helper_float_ ## name ## _s(CPUMIPSState *env, \
uint32_t fst0, uint32_t fst1, \
uint32_t fst2) \
{ \
UNFUSED_FMA(float32, fst0, fst1, fst2, type); \
update_fcr31(env, GETPC()); \
return fst0; \
} \
\
uint64_t helper_float_ ## name ## _ps(CPUMIPSState *env, \
uint64_t fdt0, uint64_t fdt1, \
uint64_t fdt2) \
{ \
uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
uint32_t fsth0 = fdt0 >> 32; \
uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
uint32_t fsth1 = fdt1 >> 32; \
uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
uint32_t fsth2 = fdt2 >> 32; \
\
UNFUSED_FMA(float32, fst0, fst1, fst2, type); \
UNFUSED_FMA(float32, fsth0, fsth1, fsth2, type); \
update_fcr31(env, GETPC()); \
return ((uint64_t)fsth0 << 32) | fst0; \
}
FLOAT_FMA(madd, 0)
FLOAT_FMA(msub, float_muladd_negate_c)
FLOAT_FMA(nmadd, float_muladd_negate_result)
FLOAT_FMA(nmsub, float_muladd_negate_result | float_muladd_negate_c)
#undef FLOAT_FMA
#define FLOAT_FMADDSUB(name, bits, muladd_arg) \
uint ## bits ## _t helper_float_ ## name (CPUMIPSState *env, \
uint ## bits ## _t fs, \
uint ## bits ## _t ft, \
uint ## bits ## _t fd) \
{ \
uint ## bits ## _t fdret; \
\
fdret = float ## bits ## _muladd(fs, ft, fd, muladd_arg, \
&env->active_fpu.fp_status); \
update_fcr31(env, GETPC()); \
return fdret; \
}
FLOAT_FMADDSUB(maddf_s, 32, 0)
FLOAT_FMADDSUB(maddf_d, 64, 0)
FLOAT_FMADDSUB(msubf_s, 32, float_muladd_negate_product)
FLOAT_FMADDSUB(msubf_d, 64, float_muladd_negate_product)
#undef FLOAT_FMADDSUB
/* compare operations */
#define FOP_COND_D(op, cond) \
void helper_cmp_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
uint64_t fdt1, int cc) \
{ \
int c; \
c = cond; \
update_fcr31(env, GETPC()); \
if (c) \
SET_FP_COND(cc, env->active_fpu); \
else \
CLEAR_FP_COND(cc, env->active_fpu); \
} \
void helper_cmpabs_d_ ## op(CPUMIPSState *env, uint64_t fdt0, \
uint64_t fdt1, int cc) \
{ \
int c; \
fdt0 = float64_abs(fdt0); \
fdt1 = float64_abs(fdt1); \
c = cond; \
update_fcr31(env, GETPC()); \
if (c) \
SET_FP_COND(cc, env->active_fpu); \
else \
CLEAR_FP_COND(cc, env->active_fpu); \
}
/* NOTE: the comma operator will make "cond" to eval to false,
* but float64_unordered_quiet() is still called. */
FOP_COND_D(f, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
FOP_COND_D(un, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status))
FOP_COND_D(eq, float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(ueq, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(olt, float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(ult, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(ole, float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(ule, float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status))
/* NOTE: the comma operator will make "cond" to eval to false,
* but float64_unordered() is still called. */
FOP_COND_D(sf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
FOP_COND_D(ngle,float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status))
FOP_COND_D(seq, float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(ngl, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(lt, float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(nge, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(le, float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
FOP_COND_D(ngt, float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
#define FOP_COND_S(op, cond) \
void helper_cmp_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
uint32_t fst1, int cc) \
{ \
int c; \
c = cond; \
update_fcr31(env, GETPC()); \
if (c) \
SET_FP_COND(cc, env->active_fpu); \
else \
CLEAR_FP_COND(cc, env->active_fpu); \
} \
void helper_cmpabs_s_ ## op(CPUMIPSState *env, uint32_t fst0, \
uint32_t fst1, int cc) \
{ \
int c; \
fst0 = float32_abs(fst0); \
fst1 = float32_abs(fst1); \
c = cond; \
update_fcr31(env, GETPC()); \
if (c) \
SET_FP_COND(cc, env->active_fpu); \
else \
CLEAR_FP_COND(cc, env->active_fpu); \
}
/* NOTE: the comma operator will make "cond" to eval to false,
* but float32_unordered_quiet() is still called. */
FOP_COND_S(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
FOP_COND_S(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status))
FOP_COND_S(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status))
/* NOTE: the comma operator will make "cond" to eval to false,
* but float32_unordered() is still called. */
FOP_COND_S(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
FOP_COND_S(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status))
FOP_COND_S(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(le, float32_le(fst0, fst1, &env->active_fpu.fp_status))
FOP_COND_S(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
#define FOP_COND_PS(op, condl, condh) \
void helper_cmp_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
uint64_t fdt1, int cc) \
{ \
uint32_t fst0, fsth0, fst1, fsth1; \
int ch, cl; \
fst0 = fdt0 & 0XFFFFFFFF; \
fsth0 = fdt0 >> 32; \
fst1 = fdt1 & 0XFFFFFFFF; \
fsth1 = fdt1 >> 32; \
cl = condl; \
ch = condh; \
update_fcr31(env, GETPC()); \
if (cl) \
SET_FP_COND(cc, env->active_fpu); \
else \
CLEAR_FP_COND(cc, env->active_fpu); \
if (ch) \
SET_FP_COND(cc + 1, env->active_fpu); \
else \
CLEAR_FP_COND(cc + 1, env->active_fpu); \
} \
void helper_cmpabs_ps_ ## op(CPUMIPSState *env, uint64_t fdt0, \
uint64_t fdt1, int cc) \
{ \
uint32_t fst0, fsth0, fst1, fsth1; \
int ch, cl; \
fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
fsth0 = float32_abs(fdt0 >> 32); \
fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
fsth1 = float32_abs(fdt1 >> 32); \
cl = condl; \
ch = condh; \
update_fcr31(env, GETPC()); \
if (cl) \
SET_FP_COND(cc, env->active_fpu); \
else \
CLEAR_FP_COND(cc, env->active_fpu); \
if (ch) \
SET_FP_COND(cc + 1, env->active_fpu); \
else \
CLEAR_FP_COND(cc + 1, env->active_fpu); \
}
/* NOTE: the comma operator will make "cond" to eval to false,
* but float32_unordered_quiet() is still called. */
FOP_COND_PS(f, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0),
(float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status), 0))
FOP_COND_PS(un, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status),
float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status))
FOP_COND_PS(eq, float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(ueq, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status),
float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(olt, float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(ult, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status),
float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(ole, float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(ule, float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status) || float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status),
float32_unordered_quiet(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le_quiet(fsth0, fsth1, &env->active_fpu.fp_status))
/* NOTE: the comma operator will make "cond" to eval to false,
* but float32_unordered() is still called. */
FOP_COND_PS(sf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0),
(float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status), 0))
FOP_COND_PS(ngle,float32_unordered(fst1, fst0, &env->active_fpu.fp_status),
float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status))
FOP_COND_PS(seq, float32_eq(fst0, fst1, &env->active_fpu.fp_status),
float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(ngl, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(lt, float32_lt(fst0, fst1, &env->active_fpu.fp_status),
float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(nge, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(le, float32_le(fst0, fst1, &env->active_fpu.fp_status),
float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
FOP_COND_PS(ngt, float32_unordered(fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
float32_unordered(fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
/* R6 compare operations */
#define FOP_CONDN_D(op, cond) \
uint64_t helper_r6_cmp_d_ ## op(CPUMIPSState * env, uint64_t fdt0, \
uint64_t fdt1) \
{ \
uint64_t c; \
c = cond; \
update_fcr31(env, GETPC()); \
if (c) { \
return -1; \
} else { \
return 0; \
} \
}
/* NOTE: the comma operator will make "cond" to eval to false,
* but float64_unordered_quiet() is still called. */
FOP_CONDN_D(af, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status), 0))
FOP_CONDN_D(un, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)))
FOP_CONDN_D(eq, (float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(ueq, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_eq_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(lt, (float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(ult, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(le, (float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(ule, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
/* NOTE: the comma operator will make "cond" to eval to false,
* but float64_unordered() is still called. */
FOP_CONDN_D(saf, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status), 0))
FOP_CONDN_D(sun, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)))
FOP_CONDN_D(seq, (float64_eq(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(sueq, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_eq(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(slt, (float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(sult, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(sle, (float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(sule, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(or, (float64_le_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_le_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(une, (float64_unordered_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_lt_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(ne, (float64_lt_quiet(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_lt_quiet(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(sor, (float64_le(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_le(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(sune, (float64_unordered(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_lt(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
FOP_CONDN_D(sne, (float64_lt(fdt1, fdt0, &env->active_fpu.fp_status)
|| float64_lt(fdt0, fdt1, &env->active_fpu.fp_status)))
#define FOP_CONDN_S(op, cond) \
uint32_t helper_r6_cmp_s_ ## op(CPUMIPSState * env, uint32_t fst0, \
uint32_t fst1) \
{ \
uint64_t c; \
c = cond; \
update_fcr31(env, GETPC()); \
if (c) { \
return -1; \
} else { \
return 0; \
} \
}
/* NOTE: the comma operator will make "cond" to eval to false,
* but float32_unordered_quiet() is still called. */
FOP_CONDN_S(af, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status), 0))
FOP_CONDN_S(un, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)))
FOP_CONDN_S(eq, (float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(ueq, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
|| float32_eq_quiet(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(lt, (float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(ult, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(le, (float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(ule, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
|| float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
/* NOTE: the comma operator will make "cond" to eval to false,
* but float32_unordered() is still called. */
FOP_CONDN_S(saf, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status), 0))
FOP_CONDN_S(sun, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)))
FOP_CONDN_S(seq, (float32_eq(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(sueq, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
|| float32_eq(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(slt, (float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(sult, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(sle, (float32_le(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(sule, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
|| float32_le(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(or, (float32_le_quiet(fst1, fst0, &env->active_fpu.fp_status)
|| float32_le_quiet(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(une, (float32_unordered_quiet(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt_quiet(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(ne, (float32_lt_quiet(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt_quiet(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(sor, (float32_le(fst1, fst0, &env->active_fpu.fp_status)
|| float32_le(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(sune, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(sne, (float32_lt(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
/* MSA */
/* Data format min and max values */
#define DF_BITS(df) (1 << ((df) + 3))
/* Element-by-element access macros */
#define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df))
#if !defined(CONFIG_USER_ONLY)
#define MEMOP_IDX(DF) \
TCGMemOpIdx oi = make_memop_idx(MO_TE | DF | MO_UNALN, \
cpu_mmu_index(env, false));
#else
#define MEMOP_IDX(DF)
#endif
#define MSA_LD_DF(DF, TYPE, LD_INSN, ...) \
void helper_msa_ld_ ## TYPE(CPUMIPSState *env, uint32_t wd, \
target_ulong addr) \
{ \
wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
wr_t wx; \
int i; \
MEMOP_IDX(DF) \
for (i = 0; i < DF_ELEMENTS(DF); i++) { \
wx.TYPE[i] = LD_INSN(env, addr + (i << DF), ##__VA_ARGS__); \
} \
memcpy(pwd, &wx, sizeof(wr_t)); \
}
#if !defined(CONFIG_USER_ONLY)
MSA_LD_DF(DF_BYTE, b, helper_ret_ldub_mmu, oi, GETRA())
MSA_LD_DF(DF_HALF, h, helper_ret_lduw_mmu, oi, GETRA())
MSA_LD_DF(DF_WORD, w, helper_ret_ldul_mmu, oi, GETRA())
MSA_LD_DF(DF_DOUBLE, d, helper_ret_ldq_mmu, oi, GETRA())
#else
MSA_LD_DF(DF_BYTE, b, cpu_ldub_data)
MSA_LD_DF(DF_HALF, h, cpu_lduw_data)
MSA_LD_DF(DF_WORD, w, cpu_ldl_data)
MSA_LD_DF(DF_DOUBLE, d, cpu_ldq_data)
#endif
#define MSA_PAGESPAN(x) \
((((x) & ~TARGET_PAGE_MASK) + MSA_WRLEN/8 - 1) >= TARGET_PAGE_SIZE)
static inline void ensure_writable_pages(CPUMIPSState *env,
target_ulong addr,
int mmu_idx,
uintptr_t retaddr)
{
#if !defined(CONFIG_USER_ONLY)
target_ulong page_addr;
if (unlikely(MSA_PAGESPAN(addr))) {
/* first page */
probe_write(env, addr, mmu_idx, retaddr);
/* second page */
page_addr = (addr & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
probe_write(env, page_addr, mmu_idx, retaddr);
}
#endif
}
#define MSA_ST_DF(DF, TYPE, ST_INSN, ...) \
void helper_msa_st_ ## TYPE(CPUMIPSState *env, uint32_t wd, \
target_ulong addr) \
{ \
wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
int mmu_idx = cpu_mmu_index(env, false); \
int i; \
MEMOP_IDX(DF) \
ensure_writable_pages(env, addr, mmu_idx, GETRA()); \
for (i = 0; i < DF_ELEMENTS(DF); i++) { \
ST_INSN(env, addr + (i << DF), pwd->TYPE[i], ##__VA_ARGS__); \
} \
}
#if !defined(CONFIG_USER_ONLY)
MSA_ST_DF(DF_BYTE, b, helper_ret_stb_mmu, oi, GETRA())
MSA_ST_DF(DF_HALF, h, helper_ret_stw_mmu, oi, GETRA())
MSA_ST_DF(DF_WORD, w, helper_ret_stl_mmu, oi, GETRA())
MSA_ST_DF(DF_DOUBLE, d, helper_ret_stq_mmu, oi, GETRA())
#else
MSA_ST_DF(DF_BYTE, b, cpu_stb_data)
MSA_ST_DF(DF_HALF, h, cpu_stw_data)
MSA_ST_DF(DF_WORD, w, cpu_stl_data)
MSA_ST_DF(DF_DOUBLE, d, cpu_stq_data)
#endif
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