88a844545e
In case the guest uses a cache opcode we are not expecting, log it to give us a chance to notice it, in case we should actually do something. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Message-Id: <20200813181527.22551-4-f4bug@amsat.org>
1608 lines
54 KiB
C
1608 lines
54 KiB
C
/*
|
|
* 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 "qemu/osdep.h"
|
|
#include "qemu/main-loop.h"
|
|
#include "cpu.h"
|
|
#include "internal.h"
|
|
#include "qemu/host-utils.h"
|
|
#include "exec/helper-proto.h"
|
|
#include "exec/exec-all.h"
|
|
#include "exec/cpu_ldst.h"
|
|
#include "exec/memop.h"
|
|
#include "sysemu/kvm.h"
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* 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);
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF);
|
|
return env->active_tc.HI[0] = (int32_t)(HILO >> 32);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
target_ulong helper_rotx(target_ulong rs, uint32_t shift, uint32_t shiftx,
|
|
uint32_t stripe)
|
|
{
|
|
int i;
|
|
uint64_t tmp0 = ((uint64_t)rs) << 32 | ((uint64_t)rs & 0xffffffff);
|
|
uint64_t tmp1 = tmp0;
|
|
for (i = 0; i <= 46; i++) {
|
|
int s;
|
|
if (i & 0x8) {
|
|
s = shift;
|
|
} else {
|
|
s = shiftx;
|
|
}
|
|
|
|
if (stripe != 0 && !(i & 0x4)) {
|
|
s = ~s;
|
|
}
|
|
if (s & 0x10) {
|
|
if (tmp0 & (1LL << (i + 16))) {
|
|
tmp1 |= 1LL << i;
|
|
} else {
|
|
tmp1 &= ~(1LL << i);
|
|
}
|
|
}
|
|
}
|
|
|
|
uint64_t tmp2 = tmp1;
|
|
for (i = 0; i <= 38; i++) {
|
|
int s;
|
|
if (i & 0x4) {
|
|
s = shift;
|
|
} else {
|
|
s = shiftx;
|
|
}
|
|
|
|
if (s & 0x8) {
|
|
if (tmp1 & (1LL << (i + 8))) {
|
|
tmp2 |= 1LL << i;
|
|
} else {
|
|
tmp2 &= ~(1LL << i);
|
|
}
|
|
}
|
|
}
|
|
|
|
uint64_t tmp3 = tmp2;
|
|
for (i = 0; i <= 34; i++) {
|
|
int s;
|
|
if (i & 0x2) {
|
|
s = shift;
|
|
} else {
|
|
s = shiftx;
|
|
}
|
|
if (s & 0x4) {
|
|
if (tmp2 & (1LL << (i + 4))) {
|
|
tmp3 |= 1LL << i;
|
|
} else {
|
|
tmp3 &= ~(1LL << i);
|
|
}
|
|
}
|
|
}
|
|
|
|
uint64_t tmp4 = tmp3;
|
|
for (i = 0; i <= 32; i++) {
|
|
int s;
|
|
if (i & 0x1) {
|
|
s = shift;
|
|
} else {
|
|
s = shiftx;
|
|
}
|
|
if (s & 0x2) {
|
|
if (tmp3 & (1LL << (i + 2))) {
|
|
tmp4 |= 1LL << i;
|
|
} else {
|
|
tmp4 &= ~(1LL << i);
|
|
}
|
|
}
|
|
}
|
|
|
|
uint64_t tmp5 = tmp4;
|
|
for (i = 0; i <= 31; i++) {
|
|
int s;
|
|
s = shift;
|
|
if (s & 0x1) {
|
|
if (tmp4 & (1LL << (i + 1))) {
|
|
tmp5 |= 1LL << i;
|
|
} else {
|
|
tmp5 &= ~(1LL << i);
|
|
}
|
|
}
|
|
}
|
|
|
|
return (int64_t)(int32_t)(uint32_t)tmp5;
|
|
}
|
|
|
|
#ifndef CONFIG_USER_ONLY
|
|
|
|
static inline hwaddr do_translate_address(CPUMIPSState *env,
|
|
target_ulong address,
|
|
int rw, uintptr_t retaddr)
|
|
{
|
|
hwaddr paddr;
|
|
CPUState *cs = env_cpu(env);
|
|
|
|
paddr = cpu_mips_translate_address(env, address, rw);
|
|
|
|
if (paddr == -1LL) {
|
|
cpu_loop_exit_restore(cs, retaddr);
|
|
} else {
|
|
return paddr;
|
|
}
|
|
}
|
|
|
|
#define HELPER_LD_ATOMIC(name, insn, almask, do_cast) \
|
|
target_ulong helper_##name(CPUMIPSState *env, target_ulong arg, int mem_idx) \
|
|
{ \
|
|
if (arg & almask) { \
|
|
if (!(env->hflags & MIPS_HFLAG_DM)) { \
|
|
env->CP0_BadVAddr = arg; \
|
|
} \
|
|
do_raise_exception(env, EXCP_AdEL, GETPC()); \
|
|
} \
|
|
env->CP0_LLAddr = do_translate_address(env, arg, 0, GETPC()); \
|
|
env->lladdr = arg; \
|
|
env->llval = do_cast cpu_##insn##_mmuidx_ra(env, arg, mem_idx, GETPC()); \
|
|
return env->llval; \
|
|
}
|
|
HELPER_LD_ATOMIC(ll, ldl, 0x3, (target_long)(int32_t))
|
|
#ifdef TARGET_MIPS64
|
|
HELPER_LD_ATOMIC(lld, ldq, 0x7, (target_ulong))
|
|
#endif
|
|
#undef HELPER_LD_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)
|
|
{
|
|
cpu_stb_mmuidx_ra(env, arg2, (uint8_t)(arg1 >> 24), mem_idx, GETPC());
|
|
|
|
if (GET_LMASK(arg2) <= 2) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 16),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK(arg2) <= 1) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 8),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK(arg2) == 0) {
|
|
cpu_stb_mmuidx_ra(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)
|
|
{
|
|
cpu_stb_mmuidx_ra(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
|
|
|
|
if (GET_LMASK(arg2) >= 1) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK(arg2) >= 2) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK(arg2) == 3) {
|
|
cpu_stb_mmuidx_ra(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)
|
|
{
|
|
cpu_stb_mmuidx_ra(env, arg2, (uint8_t)(arg1 >> 56), mem_idx, GETPC());
|
|
|
|
if (GET_LMASK64(arg2) <= 6) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 1), (uint8_t)(arg1 >> 48),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) <= 5) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 2), (uint8_t)(arg1 >> 40),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) <= 4) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 3), (uint8_t)(arg1 >> 32),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) <= 3) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 4), (uint8_t)(arg1 >> 24),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) <= 2) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 5), (uint8_t)(arg1 >> 16),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) <= 1) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, 6), (uint8_t)(arg1 >> 8),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) <= 0) {
|
|
cpu_stb_mmuidx_ra(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)
|
|
{
|
|
cpu_stb_mmuidx_ra(env, arg2, (uint8_t)arg1, mem_idx, GETPC());
|
|
|
|
if (GET_LMASK64(arg2) >= 1) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -1), (uint8_t)(arg1 >> 8),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) >= 2) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -2), (uint8_t)(arg1 >> 16),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) >= 3) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -3), (uint8_t)(arg1 >> 24),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) >= 4) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -4), (uint8_t)(arg1 >> 32),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) >= 5) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -5), (uint8_t)(arg1 >> 40),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) >= 6) {
|
|
cpu_stb_mmuidx_ra(env, GET_OFFSET(arg2, -6), (uint8_t)(arg1 >> 48),
|
|
mem_idx, GETPC());
|
|
}
|
|
|
|
if (GET_LMASK64(arg2) == 7) {
|
|
cpu_stb_mmuidx_ra(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)cpu_ldl_mmuidx_ra(env, addr, mem_idx, GETPC());
|
|
addr += 4;
|
|
}
|
|
}
|
|
|
|
if (do_r31) {
|
|
env->active_tc.gpr[31] =
|
|
(target_long)cpu_ldl_mmuidx_ra(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++) {
|
|
cpu_stw_mmuidx_ra(env, addr, env->active_tc.gpr[multiple_regs[i]],
|
|
mem_idx, GETPC());
|
|
addr += 4;
|
|
}
|
|
}
|
|
|
|
if (do_r31) {
|
|
cpu_stw_mmuidx_ra(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]] =
|
|
cpu_ldq_mmuidx_ra(env, addr, mem_idx, GETPC());
|
|
addr += 8;
|
|
}
|
|
}
|
|
|
|
if (do_r31) {
|
|
env->active_tc.gpr[31] =
|
|
cpu_ldq_mmuidx_ra(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++) {
|
|
cpu_stq_mmuidx_ra(env, addr, env->active_tc.gpr[multiple_regs[i]],
|
|
mem_idx, GETPC());
|
|
addr += 8;
|
|
}
|
|
}
|
|
|
|
if (do_r31) {
|
|
cpu_stq_mmuidx_ra(env, addr, env->active_tc.gpr[31], mem_idx, GETPC());
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
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 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;
|
|
uint64_t mask = env->CP0_PageMask >> (TARGET_PAGE_BITS + 1);
|
|
|
|
/* 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 & env->CP0_EntryHi_ASID_mask;
|
|
tlb->MMID = env->CP0_MemoryMapID;
|
|
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) & ~mask) << 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) & ~mask) << 12;
|
|
}
|
|
|
|
void r4k_helper_tlbinv(CPUMIPSState *env)
|
|
{
|
|
bool mi = !!((env->CP0_Config5 >> CP0C5_MI) & 1);
|
|
uint16_t ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
|
|
uint32_t MMID = env->CP0_MemoryMapID;
|
|
uint32_t tlb_mmid;
|
|
r4k_tlb_t *tlb;
|
|
int idx;
|
|
|
|
MMID = mi ? MMID : (uint32_t) ASID;
|
|
for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
|
|
tlb = &env->tlb->mmu.r4k.tlb[idx];
|
|
tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
|
|
if (!tlb->G && tlb_mmid == MMID) {
|
|
tlb->EHINV = 1;
|
|
}
|
|
}
|
|
cpu_mips_tlb_flush(env);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
void r4k_helper_tlbwi(CPUMIPSState *env)
|
|
{
|
|
bool mi = !!((env->CP0_Config5 >> CP0C5_MI) & 1);
|
|
target_ulong VPN;
|
|
uint16_t ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
|
|
uint32_t MMID = env->CP0_MemoryMapID;
|
|
uint32_t tlb_mmid;
|
|
bool EHINV, G, V0, D0, V1, D1, XI0, XI1, RI0, RI1;
|
|
r4k_tlb_t *tlb;
|
|
int idx;
|
|
|
|
MMID = mi ? MMID : (uint32_t) ASID;
|
|
|
|
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
|
|
EHINV = (env->CP0_EntryHi & (1 << CP0EnHi_EHINV)) != 0;
|
|
G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
|
|
V0 = (env->CP0_EntryLo0 & 2) != 0;
|
|
D0 = (env->CP0_EntryLo0 & 4) != 0;
|
|
XI0 = (env->CP0_EntryLo0 >> CP0EnLo_XI) &1;
|
|
RI0 = (env->CP0_EntryLo0 >> CP0EnLo_RI) &1;
|
|
V1 = (env->CP0_EntryLo1 & 2) != 0;
|
|
D1 = (env->CP0_EntryLo1 & 4) != 0;
|
|
XI1 = (env->CP0_EntryLo1 >> CP0EnLo_XI) &1;
|
|
RI1 = (env->CP0_EntryLo1 >> CP0EnLo_RI) &1;
|
|
|
|
tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
|
|
/*
|
|
* Discard cached TLB entries, unless tlbwi is just upgrading access
|
|
* permissions on the current entry.
|
|
*/
|
|
if (tlb->VPN != VPN || tlb_mmid != MMID || tlb->G != G ||
|
|
(!tlb->EHINV && EHINV) ||
|
|
(tlb->V0 && !V0) || (tlb->D0 && !D0) ||
|
|
(!tlb->XI0 && XI0) || (!tlb->RI0 && RI0) ||
|
|
(tlb->V1 && !V1) || (tlb->D1 && !D1) ||
|
|
(!tlb->XI1 && XI1) || (!tlb->RI1 && RI1)) {
|
|
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)
|
|
{
|
|
bool mi = !!((env->CP0_Config5 >> CP0C5_MI) & 1);
|
|
r4k_tlb_t *tlb;
|
|
target_ulong mask;
|
|
target_ulong tag;
|
|
target_ulong VPN;
|
|
uint16_t ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
|
|
uint32_t MMID = env->CP0_MemoryMapID;
|
|
uint32_t tlb_mmid;
|
|
int i;
|
|
|
|
MMID = mi ? MMID : (uint32_t) ASID;
|
|
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
|
|
tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
|
|
/* Check ASID/MMID, virtual page number & size */
|
|
if ((tlb->G == 1 || tlb_mmid == MMID) && 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
|
|
tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
|
|
/* Check ASID/MMID, virtual page number & size */
|
|
if ((tlb->G == 1 || tlb_mmid == MMID) && 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)
|
|
{
|
|
bool mi = !!((env->CP0_Config5 >> CP0C5_MI) & 1);
|
|
uint16_t ASID = env->CP0_EntryHi & env->CP0_EntryHi_ASID_mask;
|
|
uint32_t MMID = env->CP0_MemoryMapID;
|
|
uint32_t tlb_mmid;
|
|
r4k_tlb_t *tlb;
|
|
int idx;
|
|
|
|
MMID = mi ? MMID : (uint32_t) ASID;
|
|
idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
|
|
tlb = &env->tlb->mmu.r4k.tlb[idx];
|
|
|
|
tlb_mmid = mi ? tlb->MMID : (uint32_t) tlb->ASID;
|
|
/* If this will change the current ASID/MMID, flush qemu's TLB. */
|
|
if (MMID != tlb_mmid) {
|
|
cpu_mips_tlb_flush(env);
|
|
}
|
|
|
|
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 = mi ? tlb->VPN : tlb->VPN | tlb->ASID;
|
|
env->CP0_MemoryMapID = tlb->MMID;
|
|
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);
|
|
}
|
|
|
|
static void global_invalidate_tlb(CPUMIPSState *env,
|
|
uint32_t invMsgVPN2,
|
|
uint8_t invMsgR,
|
|
uint32_t invMsgMMid,
|
|
bool invAll,
|
|
bool invVAMMid,
|
|
bool invMMid,
|
|
bool invVA)
|
|
{
|
|
|
|
int idx;
|
|
r4k_tlb_t *tlb;
|
|
bool VAMatch;
|
|
bool MMidMatch;
|
|
|
|
for (idx = 0; idx < env->tlb->nb_tlb; idx++) {
|
|
tlb = &env->tlb->mmu.r4k.tlb[idx];
|
|
VAMatch =
|
|
(((tlb->VPN & ~tlb->PageMask) == (invMsgVPN2 & ~tlb->PageMask))
|
|
#ifdef TARGET_MIPS64
|
|
&&
|
|
(extract64(env->CP0_EntryHi, 62, 2) == invMsgR)
|
|
#endif
|
|
);
|
|
MMidMatch = tlb->MMID == invMsgMMid;
|
|
if ((invAll && (idx > env->CP0_Wired)) ||
|
|
(VAMatch && invVAMMid && (tlb->G || MMidMatch)) ||
|
|
(VAMatch && invVA) ||
|
|
(MMidMatch && !(tlb->G) && invMMid)) {
|
|
tlb->EHINV = 1;
|
|
}
|
|
}
|
|
cpu_mips_tlb_flush(env);
|
|
}
|
|
|
|
void helper_ginvt(CPUMIPSState *env, target_ulong arg, uint32_t type)
|
|
{
|
|
bool invAll = type == 0;
|
|
bool invVA = type == 1;
|
|
bool invMMid = type == 2;
|
|
bool invVAMMid = type == 3;
|
|
uint32_t invMsgVPN2 = arg & (TARGET_PAGE_MASK << 1);
|
|
uint8_t invMsgR = 0;
|
|
uint32_t invMsgMMid = env->CP0_MemoryMapID;
|
|
CPUState *other_cs = first_cpu;
|
|
|
|
#ifdef TARGET_MIPS64
|
|
invMsgR = extract64(arg, 62, 2);
|
|
#endif
|
|
|
|
CPU_FOREACH(other_cs) {
|
|
MIPSCPU *other_cpu = MIPS_CPU(other_cs);
|
|
global_invalidate_tlb(&other_cpu->env, invMsgVPN2, invMsgR, invMsgMMid,
|
|
invAll, invVAMMid, invMMid, invVA);
|
|
}
|
|
}
|
|
|
|
/* 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)
|
|
{
|
|
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 (cpu_mmu_index(env, false)) {
|
|
case 3:
|
|
qemu_log(", ERL\n");
|
|
break;
|
|
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(env_cpu(env), "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->CP0_LLAddr = 1;
|
|
env->lladdr = 1;
|
|
}
|
|
|
|
void helper_eretnc(CPUMIPSState *env)
|
|
{
|
|
exception_return(env);
|
|
}
|
|
|
|
void helper_deret(CPUMIPSState *env)
|
|
{
|
|
debug_pre_eret(env);
|
|
|
|
env->hflags &= ~MIPS_HFLAG_DM;
|
|
compute_hflags(env);
|
|
|
|
set_pc(env, env->CP0_DEPC);
|
|
|
|
debug_post_eret(env);
|
|
}
|
|
#endif /* !CONFIG_USER_ONLY */
|
|
|
|
static inline void check_hwrena(CPUMIPSState *env, int reg, uintptr_t pc)
|
|
{
|
|
if ((env->hflags & MIPS_HFLAG_CP0) || (env->CP0_HWREna & (1 << reg))) {
|
|
return;
|
|
}
|
|
do_raise_exception(env, EXCP_RI, pc);
|
|
}
|
|
|
|
target_ulong helper_rdhwr_cpunum(CPUMIPSState *env)
|
|
{
|
|
check_hwrena(env, 0, GETPC());
|
|
return env->CP0_EBase & 0x3ff;
|
|
}
|
|
|
|
target_ulong helper_rdhwr_synci_step(CPUMIPSState *env)
|
|
{
|
|
check_hwrena(env, 1, GETPC());
|
|
return env->SYNCI_Step;
|
|
}
|
|
|
|
target_ulong helper_rdhwr_cc(CPUMIPSState *env)
|
|
{
|
|
check_hwrena(env, 2, GETPC());
|
|
#ifdef CONFIG_USER_ONLY
|
|
return env->CP0_Count;
|
|
#else
|
|
return (int32_t)cpu_mips_get_count(env);
|
|
#endif
|
|
}
|
|
|
|
target_ulong helper_rdhwr_ccres(CPUMIPSState *env)
|
|
{
|
|
check_hwrena(env, 3, GETPC());
|
|
return env->CCRes;
|
|
}
|
|
|
|
target_ulong helper_rdhwr_performance(CPUMIPSState *env)
|
|
{
|
|
check_hwrena(env, 4, GETPC());
|
|
return env->CP0_Performance0;
|
|
}
|
|
|
|
target_ulong helper_rdhwr_xnp(CPUMIPSState *env)
|
|
{
|
|
check_hwrena(env, 5, GETPC());
|
|
return (env->CP0_Config5 >> CP0C5_XNP) & 1;
|
|
}
|
|
|
|
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 = env_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,
|
|
MMUAccessType access_type,
|
|
int mmu_idx, uintptr_t retaddr)
|
|
{
|
|
MIPSCPU *cpu = MIPS_CPU(cs);
|
|
CPUMIPSState *env = &cpu->env;
|
|
int error_code = 0;
|
|
int excp;
|
|
|
|
if (!(env->hflags & MIPS_HFLAG_DM)) {
|
|
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 mips_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
|
|
vaddr addr, unsigned size,
|
|
MMUAccessType access_type,
|
|
int mmu_idx, MemTxAttrs attrs,
|
|
MemTxResult response, uintptr_t retaddr)
|
|
{
|
|
MIPSCPU *cpu = MIPS_CPU(cs);
|
|
CPUMIPSState *env = &cpu->env;
|
|
|
|
if (access_type == MMU_INST_FETCH) {
|
|
do_raise_exception(env, EXCP_IBE, retaddr);
|
|
} else {
|
|
do_raise_exception(env, EXCP_DBE, retaddr);
|
|
}
|
|
}
|
|
#endif /* !CONFIG_USER_ONLY */
|
|
|
|
|
|
/* 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
|
|
|
|
void helper_msa_ld_b(CPUMIPSState *env, uint32_t wd,
|
|
target_ulong addr)
|
|
{
|
|
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
|
|
MEMOP_IDX(DF_BYTE)
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
pwd->b[0] = helper_ret_ldub_mmu(env, addr + (0 << DF_BYTE), oi, GETPC());
|
|
pwd->b[1] = helper_ret_ldub_mmu(env, addr + (1 << DF_BYTE), oi, GETPC());
|
|
pwd->b[2] = helper_ret_ldub_mmu(env, addr + (2 << DF_BYTE), oi, GETPC());
|
|
pwd->b[3] = helper_ret_ldub_mmu(env, addr + (3 << DF_BYTE), oi, GETPC());
|
|
pwd->b[4] = helper_ret_ldub_mmu(env, addr + (4 << DF_BYTE), oi, GETPC());
|
|
pwd->b[5] = helper_ret_ldub_mmu(env, addr + (5 << DF_BYTE), oi, GETPC());
|
|
pwd->b[6] = helper_ret_ldub_mmu(env, addr + (6 << DF_BYTE), oi, GETPC());
|
|
pwd->b[7] = helper_ret_ldub_mmu(env, addr + (7 << DF_BYTE), oi, GETPC());
|
|
pwd->b[8] = helper_ret_ldub_mmu(env, addr + (8 << DF_BYTE), oi, GETPC());
|
|
pwd->b[9] = helper_ret_ldub_mmu(env, addr + (9 << DF_BYTE), oi, GETPC());
|
|
pwd->b[10] = helper_ret_ldub_mmu(env, addr + (10 << DF_BYTE), oi, GETPC());
|
|
pwd->b[11] = helper_ret_ldub_mmu(env, addr + (11 << DF_BYTE), oi, GETPC());
|
|
pwd->b[12] = helper_ret_ldub_mmu(env, addr + (12 << DF_BYTE), oi, GETPC());
|
|
pwd->b[13] = helper_ret_ldub_mmu(env, addr + (13 << DF_BYTE), oi, GETPC());
|
|
pwd->b[14] = helper_ret_ldub_mmu(env, addr + (14 << DF_BYTE), oi, GETPC());
|
|
pwd->b[15] = helper_ret_ldub_mmu(env, addr + (15 << DF_BYTE), oi, GETPC());
|
|
#else
|
|
pwd->b[0] = helper_ret_ldub_mmu(env, addr + (7 << DF_BYTE), oi, GETPC());
|
|
pwd->b[1] = helper_ret_ldub_mmu(env, addr + (6 << DF_BYTE), oi, GETPC());
|
|
pwd->b[2] = helper_ret_ldub_mmu(env, addr + (5 << DF_BYTE), oi, GETPC());
|
|
pwd->b[3] = helper_ret_ldub_mmu(env, addr + (4 << DF_BYTE), oi, GETPC());
|
|
pwd->b[4] = helper_ret_ldub_mmu(env, addr + (3 << DF_BYTE), oi, GETPC());
|
|
pwd->b[5] = helper_ret_ldub_mmu(env, addr + (2 << DF_BYTE), oi, GETPC());
|
|
pwd->b[6] = helper_ret_ldub_mmu(env, addr + (1 << DF_BYTE), oi, GETPC());
|
|
pwd->b[7] = helper_ret_ldub_mmu(env, addr + (0 << DF_BYTE), oi, GETPC());
|
|
pwd->b[8] = helper_ret_ldub_mmu(env, addr + (15 << DF_BYTE), oi, GETPC());
|
|
pwd->b[9] = helper_ret_ldub_mmu(env, addr + (14 << DF_BYTE), oi, GETPC());
|
|
pwd->b[10] = helper_ret_ldub_mmu(env, addr + (13 << DF_BYTE), oi, GETPC());
|
|
pwd->b[11] = helper_ret_ldub_mmu(env, addr + (12 << DF_BYTE), oi, GETPC());
|
|
pwd->b[12] = helper_ret_ldub_mmu(env, addr + (11 << DF_BYTE), oi, GETPC());
|
|
pwd->b[13] = helper_ret_ldub_mmu(env, addr + (10 << DF_BYTE), oi, GETPC());
|
|
pwd->b[14] = helper_ret_ldub_mmu(env, addr + (9 << DF_BYTE), oi, GETPC());
|
|
pwd->b[15] = helper_ret_ldub_mmu(env, addr + (8 << DF_BYTE), oi, GETPC());
|
|
#endif
|
|
#else
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
pwd->b[0] = cpu_ldub_data(env, addr + (0 << DF_BYTE));
|
|
pwd->b[1] = cpu_ldub_data(env, addr + (1 << DF_BYTE));
|
|
pwd->b[2] = cpu_ldub_data(env, addr + (2 << DF_BYTE));
|
|
pwd->b[3] = cpu_ldub_data(env, addr + (3 << DF_BYTE));
|
|
pwd->b[4] = cpu_ldub_data(env, addr + (4 << DF_BYTE));
|
|
pwd->b[5] = cpu_ldub_data(env, addr + (5 << DF_BYTE));
|
|
pwd->b[6] = cpu_ldub_data(env, addr + (6 << DF_BYTE));
|
|
pwd->b[7] = cpu_ldub_data(env, addr + (7 << DF_BYTE));
|
|
pwd->b[8] = cpu_ldub_data(env, addr + (8 << DF_BYTE));
|
|
pwd->b[9] = cpu_ldub_data(env, addr + (9 << DF_BYTE));
|
|
pwd->b[10] = cpu_ldub_data(env, addr + (10 << DF_BYTE));
|
|
pwd->b[11] = cpu_ldub_data(env, addr + (11 << DF_BYTE));
|
|
pwd->b[12] = cpu_ldub_data(env, addr + (12 << DF_BYTE));
|
|
pwd->b[13] = cpu_ldub_data(env, addr + (13 << DF_BYTE));
|
|
pwd->b[14] = cpu_ldub_data(env, addr + (14 << DF_BYTE));
|
|
pwd->b[15] = cpu_ldub_data(env, addr + (15 << DF_BYTE));
|
|
#else
|
|
pwd->b[0] = cpu_ldub_data(env, addr + (7 << DF_BYTE));
|
|
pwd->b[1] = cpu_ldub_data(env, addr + (6 << DF_BYTE));
|
|
pwd->b[2] = cpu_ldub_data(env, addr + (5 << DF_BYTE));
|
|
pwd->b[3] = cpu_ldub_data(env, addr + (4 << DF_BYTE));
|
|
pwd->b[4] = cpu_ldub_data(env, addr + (3 << DF_BYTE));
|
|
pwd->b[5] = cpu_ldub_data(env, addr + (2 << DF_BYTE));
|
|
pwd->b[6] = cpu_ldub_data(env, addr + (1 << DF_BYTE));
|
|
pwd->b[7] = cpu_ldub_data(env, addr + (0 << DF_BYTE));
|
|
pwd->b[8] = cpu_ldub_data(env, addr + (15 << DF_BYTE));
|
|
pwd->b[9] = cpu_ldub_data(env, addr + (14 << DF_BYTE));
|
|
pwd->b[10] = cpu_ldub_data(env, addr + (13 << DF_BYTE));
|
|
pwd->b[11] = cpu_ldub_data(env, addr + (12 << DF_BYTE));
|
|
pwd->b[12] = cpu_ldub_data(env, addr + (11 << DF_BYTE));
|
|
pwd->b[13] = cpu_ldub_data(env, addr + (10 << DF_BYTE));
|
|
pwd->b[14] = cpu_ldub_data(env, addr + (9 << DF_BYTE));
|
|
pwd->b[15] = cpu_ldub_data(env, addr + (8 << DF_BYTE));
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void helper_msa_ld_h(CPUMIPSState *env, uint32_t wd,
|
|
target_ulong addr)
|
|
{
|
|
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
|
|
MEMOP_IDX(DF_HALF)
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
pwd->h[0] = helper_ret_lduw_mmu(env, addr + (0 << DF_HALF), oi, GETPC());
|
|
pwd->h[1] = helper_ret_lduw_mmu(env, addr + (1 << DF_HALF), oi, GETPC());
|
|
pwd->h[2] = helper_ret_lduw_mmu(env, addr + (2 << DF_HALF), oi, GETPC());
|
|
pwd->h[3] = helper_ret_lduw_mmu(env, addr + (3 << DF_HALF), oi, GETPC());
|
|
pwd->h[4] = helper_ret_lduw_mmu(env, addr + (4 << DF_HALF), oi, GETPC());
|
|
pwd->h[5] = helper_ret_lduw_mmu(env, addr + (5 << DF_HALF), oi, GETPC());
|
|
pwd->h[6] = helper_ret_lduw_mmu(env, addr + (6 << DF_HALF), oi, GETPC());
|
|
pwd->h[7] = helper_ret_lduw_mmu(env, addr + (7 << DF_HALF), oi, GETPC());
|
|
#else
|
|
pwd->h[0] = helper_ret_lduw_mmu(env, addr + (3 << DF_HALF), oi, GETPC());
|
|
pwd->h[1] = helper_ret_lduw_mmu(env, addr + (2 << DF_HALF), oi, GETPC());
|
|
pwd->h[2] = helper_ret_lduw_mmu(env, addr + (1 << DF_HALF), oi, GETPC());
|
|
pwd->h[3] = helper_ret_lduw_mmu(env, addr + (0 << DF_HALF), oi, GETPC());
|
|
pwd->h[4] = helper_ret_lduw_mmu(env, addr + (7 << DF_HALF), oi, GETPC());
|
|
pwd->h[5] = helper_ret_lduw_mmu(env, addr + (6 << DF_HALF), oi, GETPC());
|
|
pwd->h[6] = helper_ret_lduw_mmu(env, addr + (5 << DF_HALF), oi, GETPC());
|
|
pwd->h[7] = helper_ret_lduw_mmu(env, addr + (4 << DF_HALF), oi, GETPC());
|
|
#endif
|
|
#else
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
pwd->h[0] = cpu_lduw_data(env, addr + (0 << DF_HALF));
|
|
pwd->h[1] = cpu_lduw_data(env, addr + (1 << DF_HALF));
|
|
pwd->h[2] = cpu_lduw_data(env, addr + (2 << DF_HALF));
|
|
pwd->h[3] = cpu_lduw_data(env, addr + (3 << DF_HALF));
|
|
pwd->h[4] = cpu_lduw_data(env, addr + (4 << DF_HALF));
|
|
pwd->h[5] = cpu_lduw_data(env, addr + (5 << DF_HALF));
|
|
pwd->h[6] = cpu_lduw_data(env, addr + (6 << DF_HALF));
|
|
pwd->h[7] = cpu_lduw_data(env, addr + (7 << DF_HALF));
|
|
#else
|
|
pwd->h[0] = cpu_lduw_data(env, addr + (3 << DF_HALF));
|
|
pwd->h[1] = cpu_lduw_data(env, addr + (2 << DF_HALF));
|
|
pwd->h[2] = cpu_lduw_data(env, addr + (1 << DF_HALF));
|
|
pwd->h[3] = cpu_lduw_data(env, addr + (0 << DF_HALF));
|
|
pwd->h[4] = cpu_lduw_data(env, addr + (7 << DF_HALF));
|
|
pwd->h[5] = cpu_lduw_data(env, addr + (6 << DF_HALF));
|
|
pwd->h[6] = cpu_lduw_data(env, addr + (5 << DF_HALF));
|
|
pwd->h[7] = cpu_lduw_data(env, addr + (4 << DF_HALF));
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void helper_msa_ld_w(CPUMIPSState *env, uint32_t wd,
|
|
target_ulong addr)
|
|
{
|
|
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
|
|
MEMOP_IDX(DF_WORD)
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
pwd->w[0] = helper_ret_ldul_mmu(env, addr + (0 << DF_WORD), oi, GETPC());
|
|
pwd->w[1] = helper_ret_ldul_mmu(env, addr + (1 << DF_WORD), oi, GETPC());
|
|
pwd->w[2] = helper_ret_ldul_mmu(env, addr + (2 << DF_WORD), oi, GETPC());
|
|
pwd->w[3] = helper_ret_ldul_mmu(env, addr + (3 << DF_WORD), oi, GETPC());
|
|
#else
|
|
pwd->w[0] = helper_ret_ldul_mmu(env, addr + (1 << DF_WORD), oi, GETPC());
|
|
pwd->w[1] = helper_ret_ldul_mmu(env, addr + (0 << DF_WORD), oi, GETPC());
|
|
pwd->w[2] = helper_ret_ldul_mmu(env, addr + (3 << DF_WORD), oi, GETPC());
|
|
pwd->w[3] = helper_ret_ldul_mmu(env, addr + (2 << DF_WORD), oi, GETPC());
|
|
#endif
|
|
#else
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
pwd->w[0] = cpu_ldl_data(env, addr + (0 << DF_WORD));
|
|
pwd->w[1] = cpu_ldl_data(env, addr + (1 << DF_WORD));
|
|
pwd->w[2] = cpu_ldl_data(env, addr + (2 << DF_WORD));
|
|
pwd->w[3] = cpu_ldl_data(env, addr + (3 << DF_WORD));
|
|
#else
|
|
pwd->w[0] = cpu_ldl_data(env, addr + (1 << DF_WORD));
|
|
pwd->w[1] = cpu_ldl_data(env, addr + (0 << DF_WORD));
|
|
pwd->w[2] = cpu_ldl_data(env, addr + (3 << DF_WORD));
|
|
pwd->w[3] = cpu_ldl_data(env, addr + (2 << DF_WORD));
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void helper_msa_ld_d(CPUMIPSState *env, uint32_t wd,
|
|
target_ulong addr)
|
|
{
|
|
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
|
|
MEMOP_IDX(DF_DOUBLE)
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
pwd->d[0] = helper_ret_ldq_mmu(env, addr + (0 << DF_DOUBLE), oi, GETPC());
|
|
pwd->d[1] = helper_ret_ldq_mmu(env, addr + (1 << DF_DOUBLE), oi, GETPC());
|
|
#else
|
|
pwd->d[0] = cpu_ldq_data(env, addr + (0 << DF_DOUBLE));
|
|
pwd->d[1] = cpu_ldq_data(env, addr + (1 << DF_DOUBLE));
|
|
#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)
|
|
{
|
|
/* FIXME: Probe the actual accesses (pass and use a size) */
|
|
if (unlikely(MSA_PAGESPAN(addr))) {
|
|
/* first page */
|
|
probe_write(env, addr, 0, mmu_idx, retaddr);
|
|
/* second page */
|
|
addr = (addr & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
|
|
probe_write(env, addr, 0, mmu_idx, retaddr);
|
|
}
|
|
}
|
|
|
|
void helper_msa_st_b(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);
|
|
|
|
MEMOP_IDX(DF_BYTE)
|
|
ensure_writable_pages(env, addr, mmu_idx, GETPC());
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
helper_ret_stb_mmu(env, addr + (0 << DF_BYTE), pwd->b[0], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (1 << DF_BYTE), pwd->b[1], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (2 << DF_BYTE), pwd->b[2], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (3 << DF_BYTE), pwd->b[3], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (4 << DF_BYTE), pwd->b[4], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (5 << DF_BYTE), pwd->b[5], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (6 << DF_BYTE), pwd->b[6], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (7 << DF_BYTE), pwd->b[7], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (8 << DF_BYTE), pwd->b[8], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (9 << DF_BYTE), pwd->b[9], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (10 << DF_BYTE), pwd->b[10], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (11 << DF_BYTE), pwd->b[11], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (12 << DF_BYTE), pwd->b[12], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (13 << DF_BYTE), pwd->b[13], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (14 << DF_BYTE), pwd->b[14], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (15 << DF_BYTE), pwd->b[15], oi, GETPC());
|
|
#else
|
|
helper_ret_stb_mmu(env, addr + (7 << DF_BYTE), pwd->b[0], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (6 << DF_BYTE), pwd->b[1], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (5 << DF_BYTE), pwd->b[2], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (4 << DF_BYTE), pwd->b[3], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (3 << DF_BYTE), pwd->b[4], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (2 << DF_BYTE), pwd->b[5], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (1 << DF_BYTE), pwd->b[6], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (0 << DF_BYTE), pwd->b[7], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (15 << DF_BYTE), pwd->b[8], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (14 << DF_BYTE), pwd->b[9], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (13 << DF_BYTE), pwd->b[10], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (12 << DF_BYTE), pwd->b[11], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (11 << DF_BYTE), pwd->b[12], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (10 << DF_BYTE), pwd->b[13], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (9 << DF_BYTE), pwd->b[14], oi, GETPC());
|
|
helper_ret_stb_mmu(env, addr + (8 << DF_BYTE), pwd->b[15], oi, GETPC());
|
|
#endif
|
|
#else
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
cpu_stb_data(env, addr + (0 << DF_BYTE), pwd->b[0]);
|
|
cpu_stb_data(env, addr + (1 << DF_BYTE), pwd->b[1]);
|
|
cpu_stb_data(env, addr + (2 << DF_BYTE), pwd->b[2]);
|
|
cpu_stb_data(env, addr + (3 << DF_BYTE), pwd->b[3]);
|
|
cpu_stb_data(env, addr + (4 << DF_BYTE), pwd->b[4]);
|
|
cpu_stb_data(env, addr + (5 << DF_BYTE), pwd->b[5]);
|
|
cpu_stb_data(env, addr + (6 << DF_BYTE), pwd->b[6]);
|
|
cpu_stb_data(env, addr + (7 << DF_BYTE), pwd->b[7]);
|
|
cpu_stb_data(env, addr + (8 << DF_BYTE), pwd->b[8]);
|
|
cpu_stb_data(env, addr + (9 << DF_BYTE), pwd->b[9]);
|
|
cpu_stb_data(env, addr + (10 << DF_BYTE), pwd->b[10]);
|
|
cpu_stb_data(env, addr + (11 << DF_BYTE), pwd->b[11]);
|
|
cpu_stb_data(env, addr + (12 << DF_BYTE), pwd->b[12]);
|
|
cpu_stb_data(env, addr + (13 << DF_BYTE), pwd->b[13]);
|
|
cpu_stb_data(env, addr + (14 << DF_BYTE), pwd->b[14]);
|
|
cpu_stb_data(env, addr + (15 << DF_BYTE), pwd->b[15]);
|
|
#else
|
|
cpu_stb_data(env, addr + (7 << DF_BYTE), pwd->b[0]);
|
|
cpu_stb_data(env, addr + (6 << DF_BYTE), pwd->b[1]);
|
|
cpu_stb_data(env, addr + (5 << DF_BYTE), pwd->b[2]);
|
|
cpu_stb_data(env, addr + (4 << DF_BYTE), pwd->b[3]);
|
|
cpu_stb_data(env, addr + (3 << DF_BYTE), pwd->b[4]);
|
|
cpu_stb_data(env, addr + (2 << DF_BYTE), pwd->b[5]);
|
|
cpu_stb_data(env, addr + (1 << DF_BYTE), pwd->b[6]);
|
|
cpu_stb_data(env, addr + (0 << DF_BYTE), pwd->b[7]);
|
|
cpu_stb_data(env, addr + (15 << DF_BYTE), pwd->b[8]);
|
|
cpu_stb_data(env, addr + (14 << DF_BYTE), pwd->b[9]);
|
|
cpu_stb_data(env, addr + (13 << DF_BYTE), pwd->b[10]);
|
|
cpu_stb_data(env, addr + (12 << DF_BYTE), pwd->b[11]);
|
|
cpu_stb_data(env, addr + (11 << DF_BYTE), pwd->b[12]);
|
|
cpu_stb_data(env, addr + (10 << DF_BYTE), pwd->b[13]);
|
|
cpu_stb_data(env, addr + (9 << DF_BYTE), pwd->b[14]);
|
|
cpu_stb_data(env, addr + (8 << DF_BYTE), pwd->b[15]);
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void helper_msa_st_h(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);
|
|
|
|
MEMOP_IDX(DF_HALF)
|
|
ensure_writable_pages(env, addr, mmu_idx, GETPC());
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
helper_ret_stw_mmu(env, addr + (0 << DF_HALF), pwd->h[0], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (1 << DF_HALF), pwd->h[1], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (2 << DF_HALF), pwd->h[2], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (3 << DF_HALF), pwd->h[3], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (4 << DF_HALF), pwd->h[4], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (5 << DF_HALF), pwd->h[5], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (6 << DF_HALF), pwd->h[6], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (7 << DF_HALF), pwd->h[7], oi, GETPC());
|
|
#else
|
|
helper_ret_stw_mmu(env, addr + (3 << DF_HALF), pwd->h[0], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (2 << DF_HALF), pwd->h[1], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (1 << DF_HALF), pwd->h[2], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (0 << DF_HALF), pwd->h[3], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (7 << DF_HALF), pwd->h[4], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (6 << DF_HALF), pwd->h[5], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (5 << DF_HALF), pwd->h[6], oi, GETPC());
|
|
helper_ret_stw_mmu(env, addr + (4 << DF_HALF), pwd->h[7], oi, GETPC());
|
|
#endif
|
|
#else
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
cpu_stw_data(env, addr + (0 << DF_HALF), pwd->h[0]);
|
|
cpu_stw_data(env, addr + (1 << DF_HALF), pwd->h[1]);
|
|
cpu_stw_data(env, addr + (2 << DF_HALF), pwd->h[2]);
|
|
cpu_stw_data(env, addr + (3 << DF_HALF), pwd->h[3]);
|
|
cpu_stw_data(env, addr + (4 << DF_HALF), pwd->h[4]);
|
|
cpu_stw_data(env, addr + (5 << DF_HALF), pwd->h[5]);
|
|
cpu_stw_data(env, addr + (6 << DF_HALF), pwd->h[6]);
|
|
cpu_stw_data(env, addr + (7 << DF_HALF), pwd->h[7]);
|
|
#else
|
|
cpu_stw_data(env, addr + (3 << DF_HALF), pwd->h[0]);
|
|
cpu_stw_data(env, addr + (2 << DF_HALF), pwd->h[1]);
|
|
cpu_stw_data(env, addr + (1 << DF_HALF), pwd->h[2]);
|
|
cpu_stw_data(env, addr + (0 << DF_HALF), pwd->h[3]);
|
|
cpu_stw_data(env, addr + (7 << DF_HALF), pwd->h[4]);
|
|
cpu_stw_data(env, addr + (6 << DF_HALF), pwd->h[5]);
|
|
cpu_stw_data(env, addr + (5 << DF_HALF), pwd->h[6]);
|
|
cpu_stw_data(env, addr + (4 << DF_HALF), pwd->h[7]);
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void helper_msa_st_w(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);
|
|
|
|
MEMOP_IDX(DF_WORD)
|
|
ensure_writable_pages(env, addr, mmu_idx, GETPC());
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
helper_ret_stl_mmu(env, addr + (0 << DF_WORD), pwd->w[0], oi, GETPC());
|
|
helper_ret_stl_mmu(env, addr + (1 << DF_WORD), pwd->w[1], oi, GETPC());
|
|
helper_ret_stl_mmu(env, addr + (2 << DF_WORD), pwd->w[2], oi, GETPC());
|
|
helper_ret_stl_mmu(env, addr + (3 << DF_WORD), pwd->w[3], oi, GETPC());
|
|
#else
|
|
helper_ret_stl_mmu(env, addr + (1 << DF_WORD), pwd->w[0], oi, GETPC());
|
|
helper_ret_stl_mmu(env, addr + (0 << DF_WORD), pwd->w[1], oi, GETPC());
|
|
helper_ret_stl_mmu(env, addr + (3 << DF_WORD), pwd->w[2], oi, GETPC());
|
|
helper_ret_stl_mmu(env, addr + (2 << DF_WORD), pwd->w[3], oi, GETPC());
|
|
#endif
|
|
#else
|
|
#if !defined(HOST_WORDS_BIGENDIAN)
|
|
cpu_stl_data(env, addr + (0 << DF_WORD), pwd->w[0]);
|
|
cpu_stl_data(env, addr + (1 << DF_WORD), pwd->w[1]);
|
|
cpu_stl_data(env, addr + (2 << DF_WORD), pwd->w[2]);
|
|
cpu_stl_data(env, addr + (3 << DF_WORD), pwd->w[3]);
|
|
#else
|
|
cpu_stl_data(env, addr + (1 << DF_WORD), pwd->w[0]);
|
|
cpu_stl_data(env, addr + (0 << DF_WORD), pwd->w[1]);
|
|
cpu_stl_data(env, addr + (3 << DF_WORD), pwd->w[2]);
|
|
cpu_stl_data(env, addr + (2 << DF_WORD), pwd->w[3]);
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void helper_msa_st_d(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);
|
|
|
|
MEMOP_IDX(DF_DOUBLE)
|
|
ensure_writable_pages(env, addr, mmu_idx, GETPC());
|
|
#if !defined(CONFIG_USER_ONLY)
|
|
helper_ret_stq_mmu(env, addr + (0 << DF_DOUBLE), pwd->d[0], oi, GETPC());
|
|
helper_ret_stq_mmu(env, addr + (1 << DF_DOUBLE), pwd->d[1], oi, GETPC());
|
|
#else
|
|
cpu_stq_data(env, addr + (0 << DF_DOUBLE), pwd->d[0]);
|
|
cpu_stq_data(env, addr + (1 << DF_DOUBLE), pwd->d[1]);
|
|
#endif
|
|
}
|
|
|
|
void helper_cache(CPUMIPSState *env, target_ulong addr, uint32_t op)
|
|
{
|
|
#ifndef CONFIG_USER_ONLY
|
|
static const char *const type_name[] = {
|
|
"Primary Instruction",
|
|
"Primary Data or Unified Primary",
|
|
"Tertiary",
|
|
"Secondary"
|
|
};
|
|
uint32_t cache_type = extract32(op, 0, 2);
|
|
uint32_t cache_operation = extract32(op, 2, 3);
|
|
target_ulong index = addr & 0x1fffffff;
|
|
|
|
switch (cache_operation) {
|
|
case 0b010: /* Index Store Tag */
|
|
memory_region_dispatch_write(env->itc_tag, index, env->CP0_TagLo,
|
|
MO_64, MEMTXATTRS_UNSPECIFIED);
|
|
break;
|
|
case 0b001: /* Index Load Tag */
|
|
memory_region_dispatch_read(env->itc_tag, index, &env->CP0_TagLo,
|
|
MO_64, MEMTXATTRS_UNSPECIFIED);
|
|
break;
|
|
case 0b000: /* Index Invalidate */
|
|
case 0b100: /* Hit Invalidate */
|
|
case 0b110: /* Hit Writeback */
|
|
/* no-op */
|
|
break;
|
|
default:
|
|
qemu_log_mask(LOG_UNIMP, "cache operation:%u (type: %s cache)\n",
|
|
cache_operation, type_name[cache_type]);
|
|
break;
|
|
}
|
|
#endif
|
|
}
|