root / target-mips / op_helper.c @ a7812ae4
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/*
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* MIPS emulation helpers for qemu.
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*
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* Copyright (c) 2004-2005 Jocelyn Mayer
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdlib.h> |
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#include "exec.h" |
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#include "host-utils.h" |
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#include "helper.h" |
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/*****************************************************************************/
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/* Exceptions processing helpers */
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void do_raise_exception_err (uint32_t exception, int error_code) |
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{ |
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#if 1 |
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if (logfile && exception < 0x100) |
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fprintf(logfile, "%s: %d %d\n", __func__, exception, error_code);
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#endif
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env->exception_index = exception; |
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env->error_code = error_code; |
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cpu_loop_exit(); |
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} |
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void do_raise_exception (uint32_t exception)
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{ |
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do_raise_exception_err(exception, 0);
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} |
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void do_interrupt_restart (void) |
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{ |
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if (!(env->CP0_Status & (1 << CP0St_EXL)) && |
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!(env->CP0_Status & (1 << CP0St_ERL)) &&
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!(env->hflags & MIPS_HFLAG_DM) && |
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(env->CP0_Status & (1 << CP0St_IE)) &&
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(env->CP0_Status & env->CP0_Cause & CP0Ca_IP_mask)) { |
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env->CP0_Cause &= ~(0x1f << CP0Ca_EC);
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do_raise_exception(EXCP_EXT_INTERRUPT); |
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} |
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} |
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void do_restore_state (void *pc_ptr) |
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{ |
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TranslationBlock *tb; |
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unsigned long pc = (unsigned long) pc_ptr; |
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tb = tb_find_pc (pc); |
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if (tb) {
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cpu_restore_state (tb, env, pc, NULL);
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} |
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} |
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target_ulong do_clo (target_ulong t0) |
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{ |
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return clo32(t0);
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} |
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target_ulong do_clz (target_ulong t0) |
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{ |
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return clz32(t0);
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} |
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#if defined(TARGET_MIPS64)
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target_ulong do_dclo (target_ulong t0) |
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{ |
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return clo64(t0);
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} |
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target_ulong do_dclz (target_ulong t0) |
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{ |
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return clz64(t0);
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} |
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#endif /* TARGET_MIPS64 */ |
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/* 64 bits arithmetic for 32 bits hosts */
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static inline uint64_t get_HILO (void) |
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{ |
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return ((uint64_t)(env->active_tc.HI[0]) << 32) | (uint32_t)env->active_tc.LO[0]; |
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} |
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static inline void set_HILO (uint64_t HILO) |
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{ |
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env->active_tc.LO[0] = (int32_t)HILO;
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env->active_tc.HI[0] = (int32_t)(HILO >> 32); |
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} |
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static inline void set_HIT0_LO (target_ulong t0, uint64_t HILO) |
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{ |
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env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF); |
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t0 = env->active_tc.HI[0] = (int32_t)(HILO >> 32); |
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} |
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static inline void set_HI_LOT0 (target_ulong t0, uint64_t HILO) |
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{ |
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t0 = env->active_tc.LO[0] = (int32_t)(HILO & 0xFFFFFFFF); |
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env->active_tc.HI[0] = (int32_t)(HILO >> 32); |
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} |
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#if TARGET_LONG_BITS > HOST_LONG_BITS
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void do_madd (target_ulong t0, target_ulong t1)
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{ |
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int64_t tmp; |
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tmp = ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1); |
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set_HILO((int64_t)get_HILO() + tmp); |
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} |
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void do_maddu (target_ulong t0, target_ulong t1)
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{ |
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uint64_t tmp; |
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tmp = ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1); |
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set_HILO(get_HILO() + tmp); |
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} |
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void do_msub (target_ulong t0, target_ulong t1)
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{ |
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int64_t tmp; |
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tmp = ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1); |
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set_HILO((int64_t)get_HILO() - tmp); |
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} |
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void do_msubu (target_ulong t0, target_ulong t1)
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{ |
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uint64_t tmp; |
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tmp = ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1); |
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set_HILO(get_HILO() - tmp); |
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} |
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#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */ |
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/* Multiplication variants of the vr54xx. */
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target_ulong do_muls (target_ulong t0, target_ulong t1) |
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{ |
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set_HI_LOT0(t0, 0 - ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1));
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return t0;
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} |
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target_ulong do_mulsu (target_ulong t0, target_ulong t1) |
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{ |
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set_HI_LOT0(t0, 0 - ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1));
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return t0;
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} |
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target_ulong do_macc (target_ulong t0, target_ulong t1) |
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{ |
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set_HI_LOT0(t0, ((int64_t)get_HILO()) + ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1)); |
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return t0;
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} |
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target_ulong do_macchi (target_ulong t0, target_ulong t1) |
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{ |
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set_HIT0_LO(t0, ((int64_t)get_HILO()) + ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1)); |
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return t0;
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} |
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target_ulong do_maccu (target_ulong t0, target_ulong t1) |
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{ |
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set_HI_LOT0(t0, ((uint64_t)get_HILO()) + ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1)); |
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return t0;
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} |
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target_ulong do_macchiu (target_ulong t0, target_ulong t1) |
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{ |
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set_HIT0_LO(t0, ((uint64_t)get_HILO()) + ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1)); |
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return t0;
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} |
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target_ulong do_msac (target_ulong t0, target_ulong t1) |
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{ |
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set_HI_LOT0(t0, ((int64_t)get_HILO()) - ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1)); |
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return t0;
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} |
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target_ulong do_msachi (target_ulong t0, target_ulong t1) |
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{ |
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set_HIT0_LO(t0, ((int64_t)get_HILO()) - ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1)); |
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return t0;
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} |
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target_ulong do_msacu (target_ulong t0, target_ulong t1) |
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{ |
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set_HI_LOT0(t0, ((uint64_t)get_HILO()) - ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1)); |
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return t0;
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} |
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target_ulong do_msachiu (target_ulong t0, target_ulong t1) |
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{ |
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set_HIT0_LO(t0, ((uint64_t)get_HILO()) - ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1)); |
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return t0;
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} |
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target_ulong do_mulhi (target_ulong t0, target_ulong t1) |
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{ |
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set_HIT0_LO(t0, (int64_t)(int32_t)t0 * (int64_t)(int32_t)t1); |
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return t0;
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} |
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target_ulong do_mulhiu (target_ulong t0, target_ulong t1) |
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{ |
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set_HIT0_LO(t0, (uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1); |
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return t0;
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} |
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target_ulong do_mulshi (target_ulong t0, target_ulong t1) |
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{ |
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set_HIT0_LO(t0, 0 - ((int64_t)(int32_t)t0 * (int64_t)(int32_t)t1));
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return t0;
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} |
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target_ulong do_mulshiu (target_ulong t0, target_ulong t1) |
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{ |
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set_HIT0_LO(t0, 0 - ((uint64_t)(uint32_t)t0 * (uint64_t)(uint32_t)t1));
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return t0;
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} |
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#ifdef TARGET_MIPS64
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void do_dmult (target_ulong t0, target_ulong t1)
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{ |
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muls64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), t0, t1); |
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} |
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void do_dmultu (target_ulong t0, target_ulong t1)
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{ |
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mulu64(&(env->active_tc.LO[0]), &(env->active_tc.HI[0]), t0, t1); |
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} |
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#endif
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#ifdef TARGET_WORDS_BIGENDIAN
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#define GET_LMASK(v) ((v) & 3) |
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#define GET_OFFSET(addr, offset) (addr + (offset))
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#else
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#define GET_LMASK(v) (((v) & 3) ^ 3) |
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#define GET_OFFSET(addr, offset) (addr - (offset))
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#endif
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target_ulong do_lwl(target_ulong t0, target_ulong t1, int mem_idx)
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{ |
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target_ulong tmp; |
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#ifdef CONFIG_USER_ONLY
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#define ldfun ldub_raw
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#else
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int (*ldfun)(target_ulong);
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switch (mem_idx)
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{ |
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case 0: ldfun = ldub_kernel; break; |
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case 1: ldfun = ldub_super; break; |
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default:
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case 2: ldfun = ldub_user; break; |
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} |
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#endif
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tmp = ldfun(t0); |
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t1 = (t1 & 0x00FFFFFF) | (tmp << 24); |
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if (GET_LMASK(t0) <= 2) { |
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tmp = ldfun(GET_OFFSET(t0, 1));
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t1 = (t1 & 0xFF00FFFF) | (tmp << 16); |
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} |
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if (GET_LMASK(t0) <= 1) { |
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tmp = ldfun(GET_OFFSET(t0, 2));
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t1 = (t1 & 0xFFFF00FF) | (tmp << 8); |
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} |
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if (GET_LMASK(t0) == 0) { |
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tmp = ldfun(GET_OFFSET(t0, 3));
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t1 = (t1 & 0xFFFFFF00) | tmp;
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} |
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return (int32_t)t1;
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} |
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target_ulong do_lwr(target_ulong t0, target_ulong t1, int mem_idx)
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{ |
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target_ulong tmp; |
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#ifdef CONFIG_USER_ONLY
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#define ldfun ldub_raw
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#else
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int (*ldfun)(target_ulong);
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switch (mem_idx)
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{ |
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case 0: ldfun = ldub_kernel; break; |
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case 1: ldfun = ldub_super; break; |
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default:
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case 2: ldfun = ldub_user; break; |
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} |
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#endif
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tmp = ldfun(t0); |
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t1 = (t1 & 0xFFFFFF00) | tmp;
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if (GET_LMASK(t0) >= 1) { |
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tmp = ldfun(GET_OFFSET(t0, -1));
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t1 = (t1 & 0xFFFF00FF) | (tmp << 8); |
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} |
328 |
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if (GET_LMASK(t0) >= 2) { |
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tmp = ldfun(GET_OFFSET(t0, -2));
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t1 = (t1 & 0xFF00FFFF) | (tmp << 16); |
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} |
333 |
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if (GET_LMASK(t0) == 3) { |
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tmp = ldfun(GET_OFFSET(t0, -3));
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t1 = (t1 & 0x00FFFFFF) | (tmp << 24); |
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} |
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return (int32_t)t1;
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} |
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void do_swl(target_ulong t0, target_ulong t1, int mem_idx) |
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{ |
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#ifdef CONFIG_USER_ONLY
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#define stfun stb_raw
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#else
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void (*stfun)(target_ulong, int); |
347 |
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switch (mem_idx)
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{ |
350 |
case 0: stfun = stb_kernel; break; |
351 |
case 1: stfun = stb_super; break; |
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default:
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case 2: stfun = stb_user; break; |
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} |
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#endif
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stfun(t0, (uint8_t)(t1 >> 24));
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if (GET_LMASK(t0) <= 2) |
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stfun(GET_OFFSET(t0, 1), (uint8_t)(t1 >> 16)); |
360 |
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if (GET_LMASK(t0) <= 1) |
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stfun(GET_OFFSET(t0, 2), (uint8_t)(t1 >> 8)); |
363 |
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364 |
if (GET_LMASK(t0) == 0) |
365 |
stfun(GET_OFFSET(t0, 3), (uint8_t)t1);
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366 |
} |
367 |
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void do_swr(target_ulong t0, target_ulong t1, int mem_idx) |
369 |
{ |
370 |
#ifdef CONFIG_USER_ONLY
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#define stfun stb_raw
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372 |
#else
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void (*stfun)(target_ulong, int); |
374 |
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switch (mem_idx)
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{ |
377 |
case 0: stfun = stb_kernel; break; |
378 |
case 1: stfun = stb_super; break; |
379 |
default:
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380 |
case 2: stfun = stb_user; break; |
381 |
} |
382 |
#endif
|
383 |
stfun(t0, (uint8_t)t1); |
384 |
|
385 |
if (GET_LMASK(t0) >= 1) |
386 |
stfun(GET_OFFSET(t0, -1), (uint8_t)(t1 >> 8)); |
387 |
|
388 |
if (GET_LMASK(t0) >= 2) |
389 |
stfun(GET_OFFSET(t0, -2), (uint8_t)(t1 >> 16)); |
390 |
|
391 |
if (GET_LMASK(t0) == 3) |
392 |
stfun(GET_OFFSET(t0, -3), (uint8_t)(t1 >> 24)); |
393 |
} |
394 |
|
395 |
#if defined(TARGET_MIPS64)
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/* "half" load and stores. We must do the memory access inline,
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or fault handling won't work. */
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398 |
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399 |
#ifdef TARGET_WORDS_BIGENDIAN
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400 |
#define GET_LMASK64(v) ((v) & 7) |
401 |
#else
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402 |
#define GET_LMASK64(v) (((v) & 7) ^ 7) |
403 |
#endif
|
404 |
|
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target_ulong do_ldl(target_ulong t0, target_ulong t1, int mem_idx)
|
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{ |
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uint64_t tmp; |
408 |
|
409 |
#ifdef CONFIG_USER_ONLY
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410 |
#define ldfun ldub_raw
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411 |
#else
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412 |
int (*ldfun)(target_ulong);
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413 |
|
414 |
switch (mem_idx)
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415 |
{ |
416 |
case 0: ldfun = ldub_kernel; break; |
417 |
case 1: ldfun = ldub_super; break; |
418 |
default:
|
419 |
case 2: ldfun = ldub_user; break; |
420 |
} |
421 |
#endif
|
422 |
tmp = ldfun(t0); |
423 |
t1 = (t1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56); |
424 |
|
425 |
if (GET_LMASK64(t0) <= 6) { |
426 |
tmp = ldfun(GET_OFFSET(t0, 1));
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427 |
t1 = (t1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48); |
428 |
} |
429 |
|
430 |
if (GET_LMASK64(t0) <= 5) { |
431 |
tmp = ldfun(GET_OFFSET(t0, 2));
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432 |
t1 = (t1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40); |
433 |
} |
434 |
|
435 |
if (GET_LMASK64(t0) <= 4) { |
436 |
tmp = ldfun(GET_OFFSET(t0, 3));
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437 |
t1 = (t1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32); |
438 |
} |
439 |
|
440 |
if (GET_LMASK64(t0) <= 3) { |
441 |
tmp = ldfun(GET_OFFSET(t0, 4));
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442 |
t1 = (t1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24); |
443 |
} |
444 |
|
445 |
if (GET_LMASK64(t0) <= 2) { |
446 |
tmp = ldfun(GET_OFFSET(t0, 5));
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447 |
t1 = (t1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16); |
448 |
} |
449 |
|
450 |
if (GET_LMASK64(t0) <= 1) { |
451 |
tmp = ldfun(GET_OFFSET(t0, 6));
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t1 = (t1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8); |
453 |
} |
454 |
|
455 |
if (GET_LMASK64(t0) == 0) { |
456 |
tmp = ldfun(GET_OFFSET(t0, 7));
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457 |
t1 = (t1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
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} |
459 |
|
460 |
return t1;
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461 |
} |
462 |
|
463 |
target_ulong do_ldr(target_ulong t0, target_ulong t1, int mem_idx)
|
464 |
{ |
465 |
uint64_t tmp; |
466 |
|
467 |
#ifdef CONFIG_USER_ONLY
|
468 |
#define ldfun ldub_raw
|
469 |
#else
|
470 |
int (*ldfun)(target_ulong);
|
471 |
|
472 |
switch (mem_idx)
|
473 |
{ |
474 |
case 0: ldfun = ldub_kernel; break; |
475 |
case 1: ldfun = ldub_super; break; |
476 |
default:
|
477 |
case 2: ldfun = ldub_user; break; |
478 |
} |
479 |
#endif
|
480 |
tmp = ldfun(t0); |
481 |
t1 = (t1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
|
482 |
|
483 |
if (GET_LMASK64(t0) >= 1) { |
484 |
tmp = ldfun(GET_OFFSET(t0, -1));
|
485 |
t1 = (t1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8); |
486 |
} |
487 |
|
488 |
if (GET_LMASK64(t0) >= 2) { |
489 |
tmp = ldfun(GET_OFFSET(t0, -2));
|
490 |
t1 = (t1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16); |
491 |
} |
492 |
|
493 |
if (GET_LMASK64(t0) >= 3) { |
494 |
tmp = ldfun(GET_OFFSET(t0, -3));
|
495 |
t1 = (t1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24); |
496 |
} |
497 |
|
498 |
if (GET_LMASK64(t0) >= 4) { |
499 |
tmp = ldfun(GET_OFFSET(t0, -4));
|
500 |
t1 = (t1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32); |
501 |
} |
502 |
|
503 |
if (GET_LMASK64(t0) >= 5) { |
504 |
tmp = ldfun(GET_OFFSET(t0, -5));
|
505 |
t1 = (t1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40); |
506 |
} |
507 |
|
508 |
if (GET_LMASK64(t0) >= 6) { |
509 |
tmp = ldfun(GET_OFFSET(t0, -6));
|
510 |
t1 = (t1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48); |
511 |
} |
512 |
|
513 |
if (GET_LMASK64(t0) == 7) { |
514 |
tmp = ldfun(GET_OFFSET(t0, -7));
|
515 |
t1 = (t1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56); |
516 |
} |
517 |
|
518 |
return t1;
|
519 |
} |
520 |
|
521 |
void do_sdl(target_ulong t0, target_ulong t1, int mem_idx) |
522 |
{ |
523 |
#ifdef CONFIG_USER_ONLY
|
524 |
#define stfun stb_raw
|
525 |
#else
|
526 |
void (*stfun)(target_ulong, int); |
527 |
|
528 |
switch (mem_idx)
|
529 |
{ |
530 |
case 0: stfun = stb_kernel; break; |
531 |
case 1: stfun = stb_super; break; |
532 |
default:
|
533 |
case 2: stfun = stb_user; break; |
534 |
} |
535 |
#endif
|
536 |
stfun(t0, (uint8_t)(t1 >> 56));
|
537 |
|
538 |
if (GET_LMASK64(t0) <= 6) |
539 |
stfun(GET_OFFSET(t0, 1), (uint8_t)(t1 >> 48)); |
540 |
|
541 |
if (GET_LMASK64(t0) <= 5) |
542 |
stfun(GET_OFFSET(t0, 2), (uint8_t)(t1 >> 40)); |
543 |
|
544 |
if (GET_LMASK64(t0) <= 4) |
545 |
stfun(GET_OFFSET(t0, 3), (uint8_t)(t1 >> 32)); |
546 |
|
547 |
if (GET_LMASK64(t0) <= 3) |
548 |
stfun(GET_OFFSET(t0, 4), (uint8_t)(t1 >> 24)); |
549 |
|
550 |
if (GET_LMASK64(t0) <= 2) |
551 |
stfun(GET_OFFSET(t0, 5), (uint8_t)(t1 >> 16)); |
552 |
|
553 |
if (GET_LMASK64(t0) <= 1) |
554 |
stfun(GET_OFFSET(t0, 6), (uint8_t)(t1 >> 8)); |
555 |
|
556 |
if (GET_LMASK64(t0) <= 0) |
557 |
stfun(GET_OFFSET(t0, 7), (uint8_t)t1);
|
558 |
} |
559 |
|
560 |
void do_sdr(target_ulong t0, target_ulong t1, int mem_idx) |
561 |
{ |
562 |
#ifdef CONFIG_USER_ONLY
|
563 |
#define stfun stb_raw
|
564 |
#else
|
565 |
void (*stfun)(target_ulong, int); |
566 |
|
567 |
switch (mem_idx)
|
568 |
{ |
569 |
case 0: stfun = stb_kernel; break; |
570 |
case 1: stfun = stb_super; break; |
571 |
default:
|
572 |
case 2: stfun = stb_user; break; |
573 |
} |
574 |
#endif
|
575 |
stfun(t0, (uint8_t)t1); |
576 |
|
577 |
if (GET_LMASK64(t0) >= 1) |
578 |
stfun(GET_OFFSET(t0, -1), (uint8_t)(t1 >> 8)); |
579 |
|
580 |
if (GET_LMASK64(t0) >= 2) |
581 |
stfun(GET_OFFSET(t0, -2), (uint8_t)(t1 >> 16)); |
582 |
|
583 |
if (GET_LMASK64(t0) >= 3) |
584 |
stfun(GET_OFFSET(t0, -3), (uint8_t)(t1 >> 24)); |
585 |
|
586 |
if (GET_LMASK64(t0) >= 4) |
587 |
stfun(GET_OFFSET(t0, -4), (uint8_t)(t1 >> 32)); |
588 |
|
589 |
if (GET_LMASK64(t0) >= 5) |
590 |
stfun(GET_OFFSET(t0, -5), (uint8_t)(t1 >> 40)); |
591 |
|
592 |
if (GET_LMASK64(t0) >= 6) |
593 |
stfun(GET_OFFSET(t0, -6), (uint8_t)(t1 >> 48)); |
594 |
|
595 |
if (GET_LMASK64(t0) == 7) |
596 |
stfun(GET_OFFSET(t0, -7), (uint8_t)(t1 >> 56)); |
597 |
} |
598 |
#endif /* TARGET_MIPS64 */ |
599 |
|
600 |
#ifndef CONFIG_USER_ONLY
|
601 |
/* CP0 helpers */
|
602 |
target_ulong do_mfc0_mvpcontrol (void)
|
603 |
{ |
604 |
return env->mvp->CP0_MVPControl;
|
605 |
} |
606 |
|
607 |
target_ulong do_mfc0_mvpconf0 (void)
|
608 |
{ |
609 |
return env->mvp->CP0_MVPConf0;
|
610 |
} |
611 |
|
612 |
target_ulong do_mfc0_mvpconf1 (void)
|
613 |
{ |
614 |
return env->mvp->CP0_MVPConf1;
|
615 |
} |
616 |
|
617 |
target_ulong do_mfc0_random (void)
|
618 |
{ |
619 |
return (int32_t)cpu_mips_get_random(env);
|
620 |
} |
621 |
|
622 |
target_ulong do_mfc0_tcstatus (void)
|
623 |
{ |
624 |
return env->active_tc.CP0_TCStatus;
|
625 |
} |
626 |
|
627 |
target_ulong do_mftc0_tcstatus(void)
|
628 |
{ |
629 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
630 |
|
631 |
if (other_tc == env->current_tc)
|
632 |
return env->active_tc.CP0_TCStatus;
|
633 |
else
|
634 |
return env->tcs[other_tc].CP0_TCStatus;
|
635 |
} |
636 |
|
637 |
target_ulong do_mfc0_tcbind (void)
|
638 |
{ |
639 |
return env->active_tc.CP0_TCBind;
|
640 |
} |
641 |
|
642 |
target_ulong do_mftc0_tcbind(void)
|
643 |
{ |
644 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
645 |
|
646 |
if (other_tc == env->current_tc)
|
647 |
return env->active_tc.CP0_TCBind;
|
648 |
else
|
649 |
return env->tcs[other_tc].CP0_TCBind;
|
650 |
} |
651 |
|
652 |
target_ulong do_mfc0_tcrestart (void)
|
653 |
{ |
654 |
return env->active_tc.PC;
|
655 |
} |
656 |
|
657 |
target_ulong do_mftc0_tcrestart(void)
|
658 |
{ |
659 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
660 |
|
661 |
if (other_tc == env->current_tc)
|
662 |
return env->active_tc.PC;
|
663 |
else
|
664 |
return env->tcs[other_tc].PC;
|
665 |
} |
666 |
|
667 |
target_ulong do_mfc0_tchalt (void)
|
668 |
{ |
669 |
return env->active_tc.CP0_TCHalt;
|
670 |
} |
671 |
|
672 |
target_ulong do_mftc0_tchalt(void)
|
673 |
{ |
674 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
675 |
|
676 |
if (other_tc == env->current_tc)
|
677 |
return env->active_tc.CP0_TCHalt;
|
678 |
else
|
679 |
return env->tcs[other_tc].CP0_TCHalt;
|
680 |
} |
681 |
|
682 |
target_ulong do_mfc0_tccontext (void)
|
683 |
{ |
684 |
return env->active_tc.CP0_TCContext;
|
685 |
} |
686 |
|
687 |
target_ulong do_mftc0_tccontext(void)
|
688 |
{ |
689 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
690 |
|
691 |
if (other_tc == env->current_tc)
|
692 |
return env->active_tc.CP0_TCContext;
|
693 |
else
|
694 |
return env->tcs[other_tc].CP0_TCContext;
|
695 |
} |
696 |
|
697 |
target_ulong do_mfc0_tcschedule (void)
|
698 |
{ |
699 |
return env->active_tc.CP0_TCSchedule;
|
700 |
} |
701 |
|
702 |
target_ulong do_mftc0_tcschedule(void)
|
703 |
{ |
704 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
705 |
|
706 |
if (other_tc == env->current_tc)
|
707 |
return env->active_tc.CP0_TCSchedule;
|
708 |
else
|
709 |
return env->tcs[other_tc].CP0_TCSchedule;
|
710 |
} |
711 |
|
712 |
target_ulong do_mfc0_tcschefback (void)
|
713 |
{ |
714 |
return env->active_tc.CP0_TCScheFBack;
|
715 |
} |
716 |
|
717 |
target_ulong do_mftc0_tcschefback(void)
|
718 |
{ |
719 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
720 |
|
721 |
if (other_tc == env->current_tc)
|
722 |
return env->active_tc.CP0_TCScheFBack;
|
723 |
else
|
724 |
return env->tcs[other_tc].CP0_TCScheFBack;
|
725 |
} |
726 |
|
727 |
target_ulong do_mfc0_count (void)
|
728 |
{ |
729 |
return (int32_t)cpu_mips_get_count(env);
|
730 |
} |
731 |
|
732 |
target_ulong do_mftc0_entryhi(void)
|
733 |
{ |
734 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
735 |
int32_t tcstatus; |
736 |
|
737 |
if (other_tc == env->current_tc)
|
738 |
tcstatus = env->active_tc.CP0_TCStatus; |
739 |
else
|
740 |
tcstatus = env->tcs[other_tc].CP0_TCStatus; |
741 |
|
742 |
return (env->CP0_EntryHi & ~0xff) | (tcstatus & 0xff); |
743 |
} |
744 |
|
745 |
target_ulong do_mftc0_status(void)
|
746 |
{ |
747 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
748 |
target_ulong t0; |
749 |
int32_t tcstatus; |
750 |
|
751 |
if (other_tc == env->current_tc)
|
752 |
tcstatus = env->active_tc.CP0_TCStatus; |
753 |
else
|
754 |
tcstatus = env->tcs[other_tc].CP0_TCStatus; |
755 |
|
756 |
t0 = env->CP0_Status & ~0xf1000018;
|
757 |
t0 |= tcstatus & (0xf << CP0TCSt_TCU0);
|
758 |
t0 |= (tcstatus & (1 << CP0TCSt_TMX)) >> (CP0TCSt_TMX - CP0St_MX);
|
759 |
t0 |= (tcstatus & (0x3 << CP0TCSt_TKSU)) >> (CP0TCSt_TKSU - CP0St_KSU);
|
760 |
|
761 |
return t0;
|
762 |
} |
763 |
|
764 |
target_ulong do_mfc0_lladdr (void)
|
765 |
{ |
766 |
return (int32_t)env->CP0_LLAddr >> 4; |
767 |
} |
768 |
|
769 |
target_ulong do_mfc0_watchlo (uint32_t sel) |
770 |
{ |
771 |
return (int32_t)env->CP0_WatchLo[sel];
|
772 |
} |
773 |
|
774 |
target_ulong do_mfc0_watchhi (uint32_t sel) |
775 |
{ |
776 |
return env->CP0_WatchHi[sel];
|
777 |
} |
778 |
|
779 |
target_ulong do_mfc0_debug (void)
|
780 |
{ |
781 |
target_ulong t0 = env->CP0_Debug; |
782 |
if (env->hflags & MIPS_HFLAG_DM)
|
783 |
t0 |= 1 << CP0DB_DM;
|
784 |
|
785 |
return t0;
|
786 |
} |
787 |
|
788 |
target_ulong do_mftc0_debug(void)
|
789 |
{ |
790 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
791 |
int32_t tcstatus; |
792 |
|
793 |
if (other_tc == env->current_tc)
|
794 |
tcstatus = env->active_tc.CP0_Debug_tcstatus; |
795 |
else
|
796 |
tcstatus = env->tcs[other_tc].CP0_Debug_tcstatus; |
797 |
|
798 |
/* XXX: Might be wrong, check with EJTAG spec. */
|
799 |
return (env->CP0_Debug & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) | |
800 |
(tcstatus & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))); |
801 |
} |
802 |
|
803 |
#if defined(TARGET_MIPS64)
|
804 |
target_ulong do_dmfc0_tcrestart (void)
|
805 |
{ |
806 |
return env->active_tc.PC;
|
807 |
} |
808 |
|
809 |
target_ulong do_dmfc0_tchalt (void)
|
810 |
{ |
811 |
return env->active_tc.CP0_TCHalt;
|
812 |
} |
813 |
|
814 |
target_ulong do_dmfc0_tccontext (void)
|
815 |
{ |
816 |
return env->active_tc.CP0_TCContext;
|
817 |
} |
818 |
|
819 |
target_ulong do_dmfc0_tcschedule (void)
|
820 |
{ |
821 |
return env->active_tc.CP0_TCSchedule;
|
822 |
} |
823 |
|
824 |
target_ulong do_dmfc0_tcschefback (void)
|
825 |
{ |
826 |
return env->active_tc.CP0_TCScheFBack;
|
827 |
} |
828 |
|
829 |
target_ulong do_dmfc0_lladdr (void)
|
830 |
{ |
831 |
return env->CP0_LLAddr >> 4; |
832 |
} |
833 |
|
834 |
target_ulong do_dmfc0_watchlo (uint32_t sel) |
835 |
{ |
836 |
return env->CP0_WatchLo[sel];
|
837 |
} |
838 |
#endif /* TARGET_MIPS64 */ |
839 |
|
840 |
void do_mtc0_index (target_ulong t0)
|
841 |
{ |
842 |
int num = 1; |
843 |
unsigned int tmp = env->tlb->nb_tlb; |
844 |
|
845 |
do {
|
846 |
tmp >>= 1;
|
847 |
num <<= 1;
|
848 |
} while (tmp);
|
849 |
env->CP0_Index = (env->CP0_Index & 0x80000000) | (t0 & (num - 1)); |
850 |
} |
851 |
|
852 |
void do_mtc0_mvpcontrol (target_ulong t0)
|
853 |
{ |
854 |
uint32_t mask = 0;
|
855 |
uint32_t newval; |
856 |
|
857 |
if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) |
858 |
mask |= (1 << CP0MVPCo_CPA) | (1 << CP0MVPCo_VPC) | |
859 |
(1 << CP0MVPCo_EVP);
|
860 |
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) |
861 |
mask |= (1 << CP0MVPCo_STLB);
|
862 |
newval = (env->mvp->CP0_MVPControl & ~mask) | (t0 & mask); |
863 |
|
864 |
// TODO: Enable/disable shared TLB, enable/disable VPEs.
|
865 |
|
866 |
env->mvp->CP0_MVPControl = newval; |
867 |
} |
868 |
|
869 |
void do_mtc0_vpecontrol (target_ulong t0)
|
870 |
{ |
871 |
uint32_t mask; |
872 |
uint32_t newval; |
873 |
|
874 |
mask = (1 << CP0VPECo_YSI) | (1 << CP0VPECo_GSI) | |
875 |
(1 << CP0VPECo_TE) | (0xff << CP0VPECo_TargTC); |
876 |
newval = (env->CP0_VPEControl & ~mask) | (t0 & mask); |
877 |
|
878 |
/* Yield scheduler intercept not implemented. */
|
879 |
/* Gating storage scheduler intercept not implemented. */
|
880 |
|
881 |
// TODO: Enable/disable TCs.
|
882 |
|
883 |
env->CP0_VPEControl = newval; |
884 |
} |
885 |
|
886 |
void do_mtc0_vpeconf0 (target_ulong t0)
|
887 |
{ |
888 |
uint32_t mask = 0;
|
889 |
uint32_t newval; |
890 |
|
891 |
if (env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) { |
892 |
if (env->CP0_VPEConf0 & (1 << CP0VPEC0_VPA)) |
893 |
mask |= (0xff << CP0VPEC0_XTC);
|
894 |
mask |= (1 << CP0VPEC0_MVP) | (1 << CP0VPEC0_VPA); |
895 |
} |
896 |
newval = (env->CP0_VPEConf0 & ~mask) | (t0 & mask); |
897 |
|
898 |
// TODO: TC exclusive handling due to ERL/EXL.
|
899 |
|
900 |
env->CP0_VPEConf0 = newval; |
901 |
} |
902 |
|
903 |
void do_mtc0_vpeconf1 (target_ulong t0)
|
904 |
{ |
905 |
uint32_t mask = 0;
|
906 |
uint32_t newval; |
907 |
|
908 |
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) |
909 |
mask |= (0xff << CP0VPEC1_NCX) | (0xff << CP0VPEC1_NCP2) | |
910 |
(0xff << CP0VPEC1_NCP1);
|
911 |
newval = (env->CP0_VPEConf1 & ~mask) | (t0 & mask); |
912 |
|
913 |
/* UDI not implemented. */
|
914 |
/* CP2 not implemented. */
|
915 |
|
916 |
// TODO: Handle FPU (CP1) binding.
|
917 |
|
918 |
env->CP0_VPEConf1 = newval; |
919 |
} |
920 |
|
921 |
void do_mtc0_yqmask (target_ulong t0)
|
922 |
{ |
923 |
/* Yield qualifier inputs not implemented. */
|
924 |
env->CP0_YQMask = 0x00000000;
|
925 |
} |
926 |
|
927 |
void do_mtc0_vpeopt (target_ulong t0)
|
928 |
{ |
929 |
env->CP0_VPEOpt = t0 & 0x0000ffff;
|
930 |
} |
931 |
|
932 |
void do_mtc0_entrylo0 (target_ulong t0)
|
933 |
{ |
934 |
/* Large physaddr (PABITS) not implemented */
|
935 |
/* 1k pages not implemented */
|
936 |
env->CP0_EntryLo0 = t0 & 0x3FFFFFFF;
|
937 |
} |
938 |
|
939 |
void do_mtc0_tcstatus (target_ulong t0)
|
940 |
{ |
941 |
uint32_t mask = env->CP0_TCStatus_rw_bitmask; |
942 |
uint32_t newval; |
943 |
|
944 |
newval = (env->active_tc.CP0_TCStatus & ~mask) | (t0 & mask); |
945 |
|
946 |
// TODO: Sync with CP0_Status.
|
947 |
|
948 |
env->active_tc.CP0_TCStatus = newval; |
949 |
} |
950 |
|
951 |
void do_mttc0_tcstatus (target_ulong t0)
|
952 |
{ |
953 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
954 |
|
955 |
// TODO: Sync with CP0_Status.
|
956 |
|
957 |
if (other_tc == env->current_tc)
|
958 |
env->active_tc.CP0_TCStatus = t0; |
959 |
else
|
960 |
env->tcs[other_tc].CP0_TCStatus = t0; |
961 |
} |
962 |
|
963 |
void do_mtc0_tcbind (target_ulong t0)
|
964 |
{ |
965 |
uint32_t mask = (1 << CP0TCBd_TBE);
|
966 |
uint32_t newval; |
967 |
|
968 |
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) |
969 |
mask |= (1 << CP0TCBd_CurVPE);
|
970 |
newval = (env->active_tc.CP0_TCBind & ~mask) | (t0 & mask); |
971 |
env->active_tc.CP0_TCBind = newval; |
972 |
} |
973 |
|
974 |
void do_mttc0_tcbind (target_ulong t0)
|
975 |
{ |
976 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
977 |
uint32_t mask = (1 << CP0TCBd_TBE);
|
978 |
uint32_t newval; |
979 |
|
980 |
if (env->mvp->CP0_MVPControl & (1 << CP0MVPCo_VPC)) |
981 |
mask |= (1 << CP0TCBd_CurVPE);
|
982 |
if (other_tc == env->current_tc) {
|
983 |
newval = (env->active_tc.CP0_TCBind & ~mask) | (t0 & mask); |
984 |
env->active_tc.CP0_TCBind = newval; |
985 |
} else {
|
986 |
newval = (env->tcs[other_tc].CP0_TCBind & ~mask) | (t0 & mask); |
987 |
env->tcs[other_tc].CP0_TCBind = newval; |
988 |
} |
989 |
} |
990 |
|
991 |
void do_mtc0_tcrestart (target_ulong t0)
|
992 |
{ |
993 |
env->active_tc.PC = t0; |
994 |
env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
|
995 |
env->CP0_LLAddr = 0ULL;
|
996 |
/* MIPS16 not implemented. */
|
997 |
} |
998 |
|
999 |
void do_mttc0_tcrestart (target_ulong t0)
|
1000 |
{ |
1001 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1002 |
|
1003 |
if (other_tc == env->current_tc) {
|
1004 |
env->active_tc.PC = t0; |
1005 |
env->active_tc.CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
|
1006 |
env->CP0_LLAddr = 0ULL;
|
1007 |
/* MIPS16 not implemented. */
|
1008 |
} else {
|
1009 |
env->tcs[other_tc].PC = t0; |
1010 |
env->tcs[other_tc].CP0_TCStatus &= ~(1 << CP0TCSt_TDS);
|
1011 |
env->CP0_LLAddr = 0ULL;
|
1012 |
/* MIPS16 not implemented. */
|
1013 |
} |
1014 |
} |
1015 |
|
1016 |
void do_mtc0_tchalt (target_ulong t0)
|
1017 |
{ |
1018 |
env->active_tc.CP0_TCHalt = t0 & 0x1;
|
1019 |
|
1020 |
// TODO: Halt TC / Restart (if allocated+active) TC.
|
1021 |
} |
1022 |
|
1023 |
void do_mttc0_tchalt (target_ulong t0)
|
1024 |
{ |
1025 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1026 |
|
1027 |
// TODO: Halt TC / Restart (if allocated+active) TC.
|
1028 |
|
1029 |
if (other_tc == env->current_tc)
|
1030 |
env->active_tc.CP0_TCHalt = t0; |
1031 |
else
|
1032 |
env->tcs[other_tc].CP0_TCHalt = t0; |
1033 |
} |
1034 |
|
1035 |
void do_mtc0_tccontext (target_ulong t0)
|
1036 |
{ |
1037 |
env->active_tc.CP0_TCContext = t0; |
1038 |
} |
1039 |
|
1040 |
void do_mttc0_tccontext (target_ulong t0)
|
1041 |
{ |
1042 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1043 |
|
1044 |
if (other_tc == env->current_tc)
|
1045 |
env->active_tc.CP0_TCContext = t0; |
1046 |
else
|
1047 |
env->tcs[other_tc].CP0_TCContext = t0; |
1048 |
} |
1049 |
|
1050 |
void do_mtc0_tcschedule (target_ulong t0)
|
1051 |
{ |
1052 |
env->active_tc.CP0_TCSchedule = t0; |
1053 |
} |
1054 |
|
1055 |
void do_mttc0_tcschedule (target_ulong t0)
|
1056 |
{ |
1057 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1058 |
|
1059 |
if (other_tc == env->current_tc)
|
1060 |
env->active_tc.CP0_TCSchedule = t0; |
1061 |
else
|
1062 |
env->tcs[other_tc].CP0_TCSchedule = t0; |
1063 |
} |
1064 |
|
1065 |
void do_mtc0_tcschefback (target_ulong t0)
|
1066 |
{ |
1067 |
env->active_tc.CP0_TCScheFBack = t0; |
1068 |
} |
1069 |
|
1070 |
void do_mttc0_tcschefback (target_ulong t0)
|
1071 |
{ |
1072 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1073 |
|
1074 |
if (other_tc == env->current_tc)
|
1075 |
env->active_tc.CP0_TCScheFBack = t0; |
1076 |
else
|
1077 |
env->tcs[other_tc].CP0_TCScheFBack = t0; |
1078 |
} |
1079 |
|
1080 |
void do_mtc0_entrylo1 (target_ulong t0)
|
1081 |
{ |
1082 |
/* Large physaddr (PABITS) not implemented */
|
1083 |
/* 1k pages not implemented */
|
1084 |
env->CP0_EntryLo1 = t0 & 0x3FFFFFFF;
|
1085 |
} |
1086 |
|
1087 |
void do_mtc0_context (target_ulong t0)
|
1088 |
{ |
1089 |
env->CP0_Context = (env->CP0_Context & 0x007FFFFF) | (t0 & ~0x007FFFFF); |
1090 |
} |
1091 |
|
1092 |
void do_mtc0_pagemask (target_ulong t0)
|
1093 |
{ |
1094 |
/* 1k pages not implemented */
|
1095 |
env->CP0_PageMask = t0 & (0x1FFFFFFF & (TARGET_PAGE_MASK << 1)); |
1096 |
} |
1097 |
|
1098 |
void do_mtc0_pagegrain (target_ulong t0)
|
1099 |
{ |
1100 |
/* SmartMIPS not implemented */
|
1101 |
/* Large physaddr (PABITS) not implemented */
|
1102 |
/* 1k pages not implemented */
|
1103 |
env->CP0_PageGrain = 0;
|
1104 |
} |
1105 |
|
1106 |
void do_mtc0_wired (target_ulong t0)
|
1107 |
{ |
1108 |
env->CP0_Wired = t0 % env->tlb->nb_tlb; |
1109 |
} |
1110 |
|
1111 |
void do_mtc0_srsconf0 (target_ulong t0)
|
1112 |
{ |
1113 |
env->CP0_SRSConf0 |= t0 & env->CP0_SRSConf0_rw_bitmask; |
1114 |
} |
1115 |
|
1116 |
void do_mtc0_srsconf1 (target_ulong t0)
|
1117 |
{ |
1118 |
env->CP0_SRSConf1 |= t0 & env->CP0_SRSConf1_rw_bitmask; |
1119 |
} |
1120 |
|
1121 |
void do_mtc0_srsconf2 (target_ulong t0)
|
1122 |
{ |
1123 |
env->CP0_SRSConf2 |= t0 & env->CP0_SRSConf2_rw_bitmask; |
1124 |
} |
1125 |
|
1126 |
void do_mtc0_srsconf3 (target_ulong t0)
|
1127 |
{ |
1128 |
env->CP0_SRSConf3 |= t0 & env->CP0_SRSConf3_rw_bitmask; |
1129 |
} |
1130 |
|
1131 |
void do_mtc0_srsconf4 (target_ulong t0)
|
1132 |
{ |
1133 |
env->CP0_SRSConf4 |= t0 & env->CP0_SRSConf4_rw_bitmask; |
1134 |
} |
1135 |
|
1136 |
void do_mtc0_hwrena (target_ulong t0)
|
1137 |
{ |
1138 |
env->CP0_HWREna = t0 & 0x0000000F;
|
1139 |
} |
1140 |
|
1141 |
void do_mtc0_count (target_ulong t0)
|
1142 |
{ |
1143 |
cpu_mips_store_count(env, t0); |
1144 |
} |
1145 |
|
1146 |
void do_mtc0_entryhi (target_ulong t0)
|
1147 |
{ |
1148 |
target_ulong old, val; |
1149 |
|
1150 |
/* 1k pages not implemented */
|
1151 |
val = t0 & ((TARGET_PAGE_MASK << 1) | 0xFF); |
1152 |
#if defined(TARGET_MIPS64)
|
1153 |
val &= env->SEGMask; |
1154 |
#endif
|
1155 |
old = env->CP0_EntryHi; |
1156 |
env->CP0_EntryHi = val; |
1157 |
if (env->CP0_Config3 & (1 << CP0C3_MT)) { |
1158 |
uint32_t tcst = env->active_tc.CP0_TCStatus & ~0xff;
|
1159 |
env->active_tc.CP0_TCStatus = tcst | (val & 0xff);
|
1160 |
} |
1161 |
/* If the ASID changes, flush qemu's TLB. */
|
1162 |
if ((old & 0xFF) != (val & 0xFF)) |
1163 |
cpu_mips_tlb_flush(env, 1);
|
1164 |
} |
1165 |
|
1166 |
void do_mttc0_entryhi(target_ulong t0)
|
1167 |
{ |
1168 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1169 |
int32_t tcstatus; |
1170 |
|
1171 |
env->CP0_EntryHi = (env->CP0_EntryHi & 0xff) | (t0 & ~0xff); |
1172 |
if (other_tc == env->current_tc) {
|
1173 |
tcstatus = (env->active_tc.CP0_TCStatus & ~0xff) | (t0 & 0xff); |
1174 |
env->active_tc.CP0_TCStatus = tcstatus; |
1175 |
} else {
|
1176 |
tcstatus = (env->tcs[other_tc].CP0_TCStatus & ~0xff) | (t0 & 0xff); |
1177 |
env->tcs[other_tc].CP0_TCStatus = tcstatus; |
1178 |
} |
1179 |
} |
1180 |
|
1181 |
void do_mtc0_compare (target_ulong t0)
|
1182 |
{ |
1183 |
cpu_mips_store_compare(env, t0); |
1184 |
} |
1185 |
|
1186 |
void do_mtc0_status (target_ulong t0)
|
1187 |
{ |
1188 |
uint32_t val, old; |
1189 |
uint32_t mask = env->CP0_Status_rw_bitmask; |
1190 |
|
1191 |
val = t0 & mask; |
1192 |
old = env->CP0_Status; |
1193 |
env->CP0_Status = (env->CP0_Status & ~mask) | val; |
1194 |
compute_hflags(env); |
1195 |
if (loglevel & CPU_LOG_EXEC)
|
1196 |
do_mtc0_status_debug(old, val); |
1197 |
cpu_mips_update_irq(env); |
1198 |
} |
1199 |
|
1200 |
void do_mttc0_status(target_ulong t0)
|
1201 |
{ |
1202 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1203 |
int32_t tcstatus = env->tcs[other_tc].CP0_TCStatus; |
1204 |
|
1205 |
env->CP0_Status = t0 & ~0xf1000018;
|
1206 |
tcstatus = (tcstatus & ~(0xf << CP0TCSt_TCU0)) | (t0 & (0xf << CP0St_CU0)); |
1207 |
tcstatus = (tcstatus & ~(1 << CP0TCSt_TMX)) | ((t0 & (1 << CP0St_MX)) << (CP0TCSt_TMX - CP0St_MX)); |
1208 |
tcstatus = (tcstatus & ~(0x3 << CP0TCSt_TKSU)) | ((t0 & (0x3 << CP0St_KSU)) << (CP0TCSt_TKSU - CP0St_KSU)); |
1209 |
if (other_tc == env->current_tc)
|
1210 |
env->active_tc.CP0_TCStatus = tcstatus; |
1211 |
else
|
1212 |
env->tcs[other_tc].CP0_TCStatus = tcstatus; |
1213 |
} |
1214 |
|
1215 |
void do_mtc0_intctl (target_ulong t0)
|
1216 |
{ |
1217 |
/* vectored interrupts not implemented, no performance counters. */
|
1218 |
env->CP0_IntCtl = (env->CP0_IntCtl & ~0x000002e0) | (t0 & 0x000002e0); |
1219 |
} |
1220 |
|
1221 |
void do_mtc0_srsctl (target_ulong t0)
|
1222 |
{ |
1223 |
uint32_t mask = (0xf << CP0SRSCtl_ESS) | (0xf << CP0SRSCtl_PSS); |
1224 |
env->CP0_SRSCtl = (env->CP0_SRSCtl & ~mask) | (t0 & mask); |
1225 |
} |
1226 |
|
1227 |
void do_mtc0_cause (target_ulong t0)
|
1228 |
{ |
1229 |
uint32_t mask = 0x00C00300;
|
1230 |
uint32_t old = env->CP0_Cause; |
1231 |
|
1232 |
if (env->insn_flags & ISA_MIPS32R2)
|
1233 |
mask |= 1 << CP0Ca_DC;
|
1234 |
|
1235 |
env->CP0_Cause = (env->CP0_Cause & ~mask) | (t0 & mask); |
1236 |
|
1237 |
if ((old ^ env->CP0_Cause) & (1 << CP0Ca_DC)) { |
1238 |
if (env->CP0_Cause & (1 << CP0Ca_DC)) |
1239 |
cpu_mips_stop_count(env); |
1240 |
else
|
1241 |
cpu_mips_start_count(env); |
1242 |
} |
1243 |
|
1244 |
/* Handle the software interrupt as an hardware one, as they
|
1245 |
are very similar */
|
1246 |
if (t0 & CP0Ca_IP_mask) {
|
1247 |
cpu_mips_update_irq(env); |
1248 |
} |
1249 |
} |
1250 |
|
1251 |
void do_mtc0_ebase (target_ulong t0)
|
1252 |
{ |
1253 |
/* vectored interrupts not implemented */
|
1254 |
/* Multi-CPU not implemented */
|
1255 |
env->CP0_EBase = 0x80000000 | (t0 & 0x3FFFF000); |
1256 |
} |
1257 |
|
1258 |
void do_mtc0_config0 (target_ulong t0)
|
1259 |
{ |
1260 |
env->CP0_Config0 = (env->CP0_Config0 & 0x81FFFFF8) | (t0 & 0x00000007); |
1261 |
} |
1262 |
|
1263 |
void do_mtc0_config2 (target_ulong t0)
|
1264 |
{ |
1265 |
/* tertiary/secondary caches not implemented */
|
1266 |
env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
|
1267 |
} |
1268 |
|
1269 |
void do_mtc0_watchlo (target_ulong t0, uint32_t sel)
|
1270 |
{ |
1271 |
/* Watch exceptions for instructions, data loads, data stores
|
1272 |
not implemented. */
|
1273 |
env->CP0_WatchLo[sel] = (t0 & ~0x7);
|
1274 |
} |
1275 |
|
1276 |
void do_mtc0_watchhi (target_ulong t0, uint32_t sel)
|
1277 |
{ |
1278 |
env->CP0_WatchHi[sel] = (t0 & 0x40FF0FF8);
|
1279 |
env->CP0_WatchHi[sel] &= ~(env->CP0_WatchHi[sel] & t0 & 0x7);
|
1280 |
} |
1281 |
|
1282 |
void do_mtc0_xcontext (target_ulong t0)
|
1283 |
{ |
1284 |
target_ulong mask = (1ULL << (env->SEGBITS - 7)) - 1; |
1285 |
env->CP0_XContext = (env->CP0_XContext & mask) | (t0 & ~mask); |
1286 |
} |
1287 |
|
1288 |
void do_mtc0_framemask (target_ulong t0)
|
1289 |
{ |
1290 |
env->CP0_Framemask = t0; /* XXX */
|
1291 |
} |
1292 |
|
1293 |
void do_mtc0_debug (target_ulong t0)
|
1294 |
{ |
1295 |
env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (t0 & 0x13300120); |
1296 |
if (t0 & (1 << CP0DB_DM)) |
1297 |
env->hflags |= MIPS_HFLAG_DM; |
1298 |
else
|
1299 |
env->hflags &= ~MIPS_HFLAG_DM; |
1300 |
} |
1301 |
|
1302 |
void do_mttc0_debug(target_ulong t0)
|
1303 |
{ |
1304 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1305 |
uint32_t val = t0 & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt)); |
1306 |
|
1307 |
/* XXX: Might be wrong, check with EJTAG spec. */
|
1308 |
if (other_tc == env->current_tc)
|
1309 |
env->active_tc.CP0_Debug_tcstatus = val; |
1310 |
else
|
1311 |
env->tcs[other_tc].CP0_Debug_tcstatus = val; |
1312 |
env->CP0_Debug = (env->CP0_Debug & ((1 << CP0DB_SSt) | (1 << CP0DB_Halt))) | |
1313 |
(t0 & ~((1 << CP0DB_SSt) | (1 << CP0DB_Halt))); |
1314 |
} |
1315 |
|
1316 |
void do_mtc0_performance0 (target_ulong t0)
|
1317 |
{ |
1318 |
env->CP0_Performance0 = t0 & 0x000007ff;
|
1319 |
} |
1320 |
|
1321 |
void do_mtc0_taglo (target_ulong t0)
|
1322 |
{ |
1323 |
env->CP0_TagLo = t0 & 0xFFFFFCF6;
|
1324 |
} |
1325 |
|
1326 |
void do_mtc0_datalo (target_ulong t0)
|
1327 |
{ |
1328 |
env->CP0_DataLo = t0; /* XXX */
|
1329 |
} |
1330 |
|
1331 |
void do_mtc0_taghi (target_ulong t0)
|
1332 |
{ |
1333 |
env->CP0_TagHi = t0; /* XXX */
|
1334 |
} |
1335 |
|
1336 |
void do_mtc0_datahi (target_ulong t0)
|
1337 |
{ |
1338 |
env->CP0_DataHi = t0; /* XXX */
|
1339 |
} |
1340 |
|
1341 |
void do_mtc0_status_debug(uint32_t old, uint32_t val)
|
1342 |
{ |
1343 |
fprintf(logfile, "Status %08x (%08x) => %08x (%08x) Cause %08x",
|
1344 |
old, old & env->CP0_Cause & CP0Ca_IP_mask, |
1345 |
val, val & env->CP0_Cause & CP0Ca_IP_mask, |
1346 |
env->CP0_Cause); |
1347 |
switch (env->hflags & MIPS_HFLAG_KSU) {
|
1348 |
case MIPS_HFLAG_UM: fputs(", UM\n", logfile); break; |
1349 |
case MIPS_HFLAG_SM: fputs(", SM\n", logfile); break; |
1350 |
case MIPS_HFLAG_KM: fputs("\n", logfile); break; |
1351 |
default: cpu_abort(env, "Invalid MMU mode!\n"); break; |
1352 |
} |
1353 |
} |
1354 |
|
1355 |
void do_mtc0_status_irqraise_debug(void) |
1356 |
{ |
1357 |
fprintf(logfile, "Raise pending IRQs\n");
|
1358 |
} |
1359 |
#endif /* !CONFIG_USER_ONLY */ |
1360 |
|
1361 |
/* MIPS MT functions */
|
1362 |
target_ulong do_mftgpr(uint32_t sel) |
1363 |
{ |
1364 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1365 |
|
1366 |
if (other_tc == env->current_tc)
|
1367 |
return env->active_tc.gpr[sel];
|
1368 |
else
|
1369 |
return env->tcs[other_tc].gpr[sel];
|
1370 |
} |
1371 |
|
1372 |
target_ulong do_mftlo(uint32_t sel) |
1373 |
{ |
1374 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1375 |
|
1376 |
if (other_tc == env->current_tc)
|
1377 |
return env->active_tc.LO[sel];
|
1378 |
else
|
1379 |
return env->tcs[other_tc].LO[sel];
|
1380 |
} |
1381 |
|
1382 |
target_ulong do_mfthi(uint32_t sel) |
1383 |
{ |
1384 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1385 |
|
1386 |
if (other_tc == env->current_tc)
|
1387 |
return env->active_tc.HI[sel];
|
1388 |
else
|
1389 |
return env->tcs[other_tc].HI[sel];
|
1390 |
} |
1391 |
|
1392 |
target_ulong do_mftacx(uint32_t sel) |
1393 |
{ |
1394 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1395 |
|
1396 |
if (other_tc == env->current_tc)
|
1397 |
return env->active_tc.ACX[sel];
|
1398 |
else
|
1399 |
return env->tcs[other_tc].ACX[sel];
|
1400 |
} |
1401 |
|
1402 |
target_ulong do_mftdsp(void)
|
1403 |
{ |
1404 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1405 |
|
1406 |
if (other_tc == env->current_tc)
|
1407 |
return env->active_tc.DSPControl;
|
1408 |
else
|
1409 |
return env->tcs[other_tc].DSPControl;
|
1410 |
} |
1411 |
|
1412 |
void do_mttgpr(target_ulong t0, uint32_t sel)
|
1413 |
{ |
1414 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1415 |
|
1416 |
if (other_tc == env->current_tc)
|
1417 |
env->active_tc.gpr[sel] = t0; |
1418 |
else
|
1419 |
env->tcs[other_tc].gpr[sel] = t0; |
1420 |
} |
1421 |
|
1422 |
void do_mttlo(target_ulong t0, uint32_t sel)
|
1423 |
{ |
1424 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1425 |
|
1426 |
if (other_tc == env->current_tc)
|
1427 |
env->active_tc.LO[sel] = t0; |
1428 |
else
|
1429 |
env->tcs[other_tc].LO[sel] = t0; |
1430 |
} |
1431 |
|
1432 |
void do_mtthi(target_ulong t0, uint32_t sel)
|
1433 |
{ |
1434 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1435 |
|
1436 |
if (other_tc == env->current_tc)
|
1437 |
env->active_tc.HI[sel] = t0; |
1438 |
else
|
1439 |
env->tcs[other_tc].HI[sel] = t0; |
1440 |
} |
1441 |
|
1442 |
void do_mttacx(target_ulong t0, uint32_t sel)
|
1443 |
{ |
1444 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1445 |
|
1446 |
if (other_tc == env->current_tc)
|
1447 |
env->active_tc.ACX[sel] = t0; |
1448 |
else
|
1449 |
env->tcs[other_tc].ACX[sel] = t0; |
1450 |
} |
1451 |
|
1452 |
void do_mttdsp(target_ulong t0)
|
1453 |
{ |
1454 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
1455 |
|
1456 |
if (other_tc == env->current_tc)
|
1457 |
env->active_tc.DSPControl = t0; |
1458 |
else
|
1459 |
env->tcs[other_tc].DSPControl = t0; |
1460 |
} |
1461 |
|
1462 |
/* MIPS MT functions */
|
1463 |
target_ulong do_dmt(target_ulong t0) |
1464 |
{ |
1465 |
// TODO
|
1466 |
t0 = 0;
|
1467 |
// rt = t0
|
1468 |
|
1469 |
return t0;
|
1470 |
} |
1471 |
|
1472 |
target_ulong do_emt(target_ulong t0) |
1473 |
{ |
1474 |
// TODO
|
1475 |
t0 = 0;
|
1476 |
// rt = t0
|
1477 |
|
1478 |
return t0;
|
1479 |
} |
1480 |
|
1481 |
target_ulong do_dvpe(target_ulong t0) |
1482 |
{ |
1483 |
// TODO
|
1484 |
t0 = 0;
|
1485 |
// rt = t0
|
1486 |
|
1487 |
return t0;
|
1488 |
} |
1489 |
|
1490 |
target_ulong do_evpe(target_ulong t0) |
1491 |
{ |
1492 |
// TODO
|
1493 |
t0 = 0;
|
1494 |
// rt = t0
|
1495 |
|
1496 |
return t0;
|
1497 |
} |
1498 |
|
1499 |
void do_fork(target_ulong t0, target_ulong t1)
|
1500 |
{ |
1501 |
// t0 = rt, t1 = rs
|
1502 |
t0 = 0;
|
1503 |
// TODO: store to TC register
|
1504 |
} |
1505 |
|
1506 |
target_ulong do_yield(target_ulong t0) |
1507 |
{ |
1508 |
if (t0 < 0) { |
1509 |
/* No scheduling policy implemented. */
|
1510 |
if (t0 != -2) { |
1511 |
if (env->CP0_VPEControl & (1 << CP0VPECo_YSI) && |
1512 |
env->active_tc.CP0_TCStatus & (1 << CP0TCSt_DT)) {
|
1513 |
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
|
1514 |
env->CP0_VPEControl |= 4 << CP0VPECo_EXCPT;
|
1515 |
do_raise_exception(EXCP_THREAD); |
1516 |
} |
1517 |
} |
1518 |
} else if (t0 == 0) { |
1519 |
if (0 /* TODO: TC underflow */) { |
1520 |
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
|
1521 |
do_raise_exception(EXCP_THREAD); |
1522 |
} else {
|
1523 |
// TODO: Deallocate TC
|
1524 |
} |
1525 |
} else if (t0 > 0) { |
1526 |
/* Yield qualifier inputs not implemented. */
|
1527 |
env->CP0_VPEControl &= ~(0x7 << CP0VPECo_EXCPT);
|
1528 |
env->CP0_VPEControl |= 2 << CP0VPECo_EXCPT;
|
1529 |
do_raise_exception(EXCP_THREAD); |
1530 |
} |
1531 |
return env->CP0_YQMask;
|
1532 |
} |
1533 |
|
1534 |
#ifndef CONFIG_USER_ONLY
|
1535 |
/* TLB management */
|
1536 |
void cpu_mips_tlb_flush (CPUState *env, int flush_global) |
1537 |
{ |
1538 |
/* Flush qemu's TLB and discard all shadowed entries. */
|
1539 |
tlb_flush (env, flush_global); |
1540 |
env->tlb->tlb_in_use = env->tlb->nb_tlb; |
1541 |
} |
1542 |
|
1543 |
static void r4k_mips_tlb_flush_extra (CPUState *env, int first) |
1544 |
{ |
1545 |
/* Discard entries from env->tlb[first] onwards. */
|
1546 |
while (env->tlb->tlb_in_use > first) {
|
1547 |
r4k_invalidate_tlb(env, --env->tlb->tlb_in_use, 0);
|
1548 |
} |
1549 |
} |
1550 |
|
1551 |
static void r4k_fill_tlb (int idx) |
1552 |
{ |
1553 |
r4k_tlb_t *tlb; |
1554 |
|
1555 |
/* XXX: detect conflicting TLBs and raise a MCHECK exception when needed */
|
1556 |
tlb = &env->tlb->mmu.r4k.tlb[idx]; |
1557 |
tlb->VPN = env->CP0_EntryHi & (TARGET_PAGE_MASK << 1);
|
1558 |
#if defined(TARGET_MIPS64)
|
1559 |
tlb->VPN &= env->SEGMask; |
1560 |
#endif
|
1561 |
tlb->ASID = env->CP0_EntryHi & 0xFF;
|
1562 |
tlb->PageMask = env->CP0_PageMask; |
1563 |
tlb->G = env->CP0_EntryLo0 & env->CP0_EntryLo1 & 1;
|
1564 |
tlb->V0 = (env->CP0_EntryLo0 & 2) != 0; |
1565 |
tlb->D0 = (env->CP0_EntryLo0 & 4) != 0; |
1566 |
tlb->C0 = (env->CP0_EntryLo0 >> 3) & 0x7; |
1567 |
tlb->PFN[0] = (env->CP0_EntryLo0 >> 6) << 12; |
1568 |
tlb->V1 = (env->CP0_EntryLo1 & 2) != 0; |
1569 |
tlb->D1 = (env->CP0_EntryLo1 & 4) != 0; |
1570 |
tlb->C1 = (env->CP0_EntryLo1 >> 3) & 0x7; |
1571 |
tlb->PFN[1] = (env->CP0_EntryLo1 >> 6) << 12; |
1572 |
} |
1573 |
|
1574 |
void r4k_do_tlbwi (void) |
1575 |
{ |
1576 |
int idx;
|
1577 |
|
1578 |
idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
|
1579 |
|
1580 |
/* Discard cached TLB entries. We could avoid doing this if the
|
1581 |
tlbwi is just upgrading access permissions on the current entry;
|
1582 |
that might be a further win. */
|
1583 |
r4k_mips_tlb_flush_extra (env, env->tlb->nb_tlb); |
1584 |
|
1585 |
r4k_invalidate_tlb(env, idx, 0);
|
1586 |
r4k_fill_tlb(idx); |
1587 |
} |
1588 |
|
1589 |
void r4k_do_tlbwr (void) |
1590 |
{ |
1591 |
int r = cpu_mips_get_random(env);
|
1592 |
|
1593 |
r4k_invalidate_tlb(env, r, 1);
|
1594 |
r4k_fill_tlb(r); |
1595 |
} |
1596 |
|
1597 |
void r4k_do_tlbp (void) |
1598 |
{ |
1599 |
r4k_tlb_t *tlb; |
1600 |
target_ulong mask; |
1601 |
target_ulong tag; |
1602 |
target_ulong VPN; |
1603 |
uint8_t ASID; |
1604 |
int i;
|
1605 |
|
1606 |
ASID = env->CP0_EntryHi & 0xFF;
|
1607 |
for (i = 0; i < env->tlb->nb_tlb; i++) { |
1608 |
tlb = &env->tlb->mmu.r4k.tlb[i]; |
1609 |
/* 1k pages are not supported. */
|
1610 |
mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
|
1611 |
tag = env->CP0_EntryHi & ~mask; |
1612 |
VPN = tlb->VPN & ~mask; |
1613 |
/* Check ASID, virtual page number & size */
|
1614 |
if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) { |
1615 |
/* TLB match */
|
1616 |
env->CP0_Index = i; |
1617 |
break;
|
1618 |
} |
1619 |
} |
1620 |
if (i == env->tlb->nb_tlb) {
|
1621 |
/* No match. Discard any shadow entries, if any of them match. */
|
1622 |
for (i = env->tlb->nb_tlb; i < env->tlb->tlb_in_use; i++) {
|
1623 |
tlb = &env->tlb->mmu.r4k.tlb[i]; |
1624 |
/* 1k pages are not supported. */
|
1625 |
mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);
|
1626 |
tag = env->CP0_EntryHi & ~mask; |
1627 |
VPN = tlb->VPN & ~mask; |
1628 |
/* Check ASID, virtual page number & size */
|
1629 |
if ((tlb->G == 1 || tlb->ASID == ASID) && VPN == tag) { |
1630 |
r4k_mips_tlb_flush_extra (env, i); |
1631 |
break;
|
1632 |
} |
1633 |
} |
1634 |
|
1635 |
env->CP0_Index |= 0x80000000;
|
1636 |
} |
1637 |
} |
1638 |
|
1639 |
void r4k_do_tlbr (void) |
1640 |
{ |
1641 |
r4k_tlb_t *tlb; |
1642 |
uint8_t ASID; |
1643 |
int idx;
|
1644 |
|
1645 |
ASID = env->CP0_EntryHi & 0xFF;
|
1646 |
idx = (env->CP0_Index & ~0x80000000) % env->tlb->nb_tlb;
|
1647 |
tlb = &env->tlb->mmu.r4k.tlb[idx]; |
1648 |
|
1649 |
/* If this will change the current ASID, flush qemu's TLB. */
|
1650 |
if (ASID != tlb->ASID)
|
1651 |
cpu_mips_tlb_flush (env, 1);
|
1652 |
|
1653 |
r4k_mips_tlb_flush_extra(env, env->tlb->nb_tlb); |
1654 |
|
1655 |
env->CP0_EntryHi = tlb->VPN | tlb->ASID; |
1656 |
env->CP0_PageMask = tlb->PageMask; |
1657 |
env->CP0_EntryLo0 = tlb->G | (tlb->V0 << 1) | (tlb->D0 << 2) | |
1658 |
(tlb->C0 << 3) | (tlb->PFN[0] >> 6); |
1659 |
env->CP0_EntryLo1 = tlb->G | (tlb->V1 << 1) | (tlb->D1 << 2) | |
1660 |
(tlb->C1 << 3) | (tlb->PFN[1] >> 6); |
1661 |
} |
1662 |
|
1663 |
void do_tlbwi(void) |
1664 |
{ |
1665 |
env->tlb->do_tlbwi(); |
1666 |
} |
1667 |
|
1668 |
void do_tlbwr(void) |
1669 |
{ |
1670 |
env->tlb->do_tlbwr(); |
1671 |
} |
1672 |
|
1673 |
void do_tlbp(void) |
1674 |
{ |
1675 |
env->tlb->do_tlbp(); |
1676 |
} |
1677 |
|
1678 |
void do_tlbr(void) |
1679 |
{ |
1680 |
env->tlb->do_tlbr(); |
1681 |
} |
1682 |
|
1683 |
/* Specials */
|
1684 |
target_ulong do_di (void)
|
1685 |
{ |
1686 |
target_ulong t0 = env->CP0_Status; |
1687 |
|
1688 |
env->CP0_Status = t0 & ~(1 << CP0St_IE);
|
1689 |
cpu_mips_update_irq(env); |
1690 |
|
1691 |
return t0;
|
1692 |
} |
1693 |
|
1694 |
target_ulong do_ei (void)
|
1695 |
{ |
1696 |
target_ulong t0 = env->CP0_Status; |
1697 |
|
1698 |
env->CP0_Status = t0 | (1 << CP0St_IE);
|
1699 |
cpu_mips_update_irq(env); |
1700 |
|
1701 |
return t0;
|
1702 |
} |
1703 |
|
1704 |
void debug_pre_eret (void) |
1705 |
{ |
1706 |
fprintf(logfile, "ERET: PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx, |
1707 |
env->active_tc.PC, env->CP0_EPC); |
1708 |
if (env->CP0_Status & (1 << CP0St_ERL)) |
1709 |
fprintf(logfile, " ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
|
1710 |
if (env->hflags & MIPS_HFLAG_DM)
|
1711 |
fprintf(logfile, " DEPC " TARGET_FMT_lx, env->CP0_DEPC);
|
1712 |
fputs("\n", logfile);
|
1713 |
} |
1714 |
|
1715 |
void debug_post_eret (void) |
1716 |
{ |
1717 |
fprintf(logfile, " => PC " TARGET_FMT_lx " EPC " TARGET_FMT_lx, |
1718 |
env->active_tc.PC, env->CP0_EPC); |
1719 |
if (env->CP0_Status & (1 << CP0St_ERL)) |
1720 |
fprintf(logfile, " ErrorEPC " TARGET_FMT_lx, env->CP0_ErrorEPC);
|
1721 |
if (env->hflags & MIPS_HFLAG_DM)
|
1722 |
fprintf(logfile, " DEPC " TARGET_FMT_lx, env->CP0_DEPC);
|
1723 |
switch (env->hflags & MIPS_HFLAG_KSU) {
|
1724 |
case MIPS_HFLAG_UM: fputs(", UM\n", logfile); break; |
1725 |
case MIPS_HFLAG_SM: fputs(", SM\n", logfile); break; |
1726 |
case MIPS_HFLAG_KM: fputs("\n", logfile); break; |
1727 |
default: cpu_abort(env, "Invalid MMU mode!\n"); break; |
1728 |
} |
1729 |
} |
1730 |
|
1731 |
void do_eret (void) |
1732 |
{ |
1733 |
if (loglevel & CPU_LOG_EXEC)
|
1734 |
debug_pre_eret(); |
1735 |
if (env->CP0_Status & (1 << CP0St_ERL)) { |
1736 |
env->active_tc.PC = env->CP0_ErrorEPC; |
1737 |
env->CP0_Status &= ~(1 << CP0St_ERL);
|
1738 |
} else {
|
1739 |
env->active_tc.PC = env->CP0_EPC; |
1740 |
env->CP0_Status &= ~(1 << CP0St_EXL);
|
1741 |
} |
1742 |
compute_hflags(env); |
1743 |
if (loglevel & CPU_LOG_EXEC)
|
1744 |
debug_post_eret(); |
1745 |
env->CP0_LLAddr = 1;
|
1746 |
} |
1747 |
|
1748 |
void do_deret (void) |
1749 |
{ |
1750 |
if (loglevel & CPU_LOG_EXEC)
|
1751 |
debug_pre_eret(); |
1752 |
env->active_tc.PC = env->CP0_DEPC; |
1753 |
env->hflags &= MIPS_HFLAG_DM; |
1754 |
compute_hflags(env); |
1755 |
if (loglevel & CPU_LOG_EXEC)
|
1756 |
debug_post_eret(); |
1757 |
env->CP0_LLAddr = 1;
|
1758 |
} |
1759 |
#endif /* !CONFIG_USER_ONLY */ |
1760 |
|
1761 |
target_ulong do_rdhwr_cpunum(void)
|
1762 |
{ |
1763 |
if ((env->hflags & MIPS_HFLAG_CP0) ||
|
1764 |
(env->CP0_HWREna & (1 << 0))) |
1765 |
return env->CP0_EBase & 0x3ff; |
1766 |
else
|
1767 |
do_raise_exception(EXCP_RI); |
1768 |
|
1769 |
return 0; |
1770 |
} |
1771 |
|
1772 |
target_ulong do_rdhwr_synci_step(void)
|
1773 |
{ |
1774 |
if ((env->hflags & MIPS_HFLAG_CP0) ||
|
1775 |
(env->CP0_HWREna & (1 << 1))) |
1776 |
return env->SYNCI_Step;
|
1777 |
else
|
1778 |
do_raise_exception(EXCP_RI); |
1779 |
|
1780 |
return 0; |
1781 |
} |
1782 |
|
1783 |
target_ulong do_rdhwr_cc(void)
|
1784 |
{ |
1785 |
if ((env->hflags & MIPS_HFLAG_CP0) ||
|
1786 |
(env->CP0_HWREna & (1 << 2))) |
1787 |
return env->CP0_Count;
|
1788 |
else
|
1789 |
do_raise_exception(EXCP_RI); |
1790 |
|
1791 |
return 0; |
1792 |
} |
1793 |
|
1794 |
target_ulong do_rdhwr_ccres(void)
|
1795 |
{ |
1796 |
if ((env->hflags & MIPS_HFLAG_CP0) ||
|
1797 |
(env->CP0_HWREna & (1 << 3))) |
1798 |
return env->CCRes;
|
1799 |
else
|
1800 |
do_raise_exception(EXCP_RI); |
1801 |
|
1802 |
return 0; |
1803 |
} |
1804 |
|
1805 |
void do_pmon (int function) |
1806 |
{ |
1807 |
function /= 2;
|
1808 |
switch (function) {
|
1809 |
case 2: /* TODO: char inbyte(int waitflag); */ |
1810 |
if (env->active_tc.gpr[4] == 0) |
1811 |
env->active_tc.gpr[2] = -1; |
1812 |
/* Fall through */
|
1813 |
case 11: /* TODO: char inbyte (void); */ |
1814 |
env->active_tc.gpr[2] = -1; |
1815 |
break;
|
1816 |
case 3: |
1817 |
case 12: |
1818 |
printf("%c", (char)(env->active_tc.gpr[4] & 0xFF)); |
1819 |
break;
|
1820 |
case 17: |
1821 |
break;
|
1822 |
case 158: |
1823 |
{ |
1824 |
unsigned char *fmt = (void *)(unsigned long)env->active_tc.gpr[4]; |
1825 |
printf("%s", fmt);
|
1826 |
} |
1827 |
break;
|
1828 |
} |
1829 |
} |
1830 |
|
1831 |
void do_wait (void) |
1832 |
{ |
1833 |
env->halted = 1;
|
1834 |
do_raise_exception(EXCP_HLT); |
1835 |
} |
1836 |
|
1837 |
#if !defined(CONFIG_USER_ONLY)
|
1838 |
|
1839 |
static void do_unaligned_access (target_ulong addr, int is_write, int is_user, void *retaddr); |
1840 |
|
1841 |
#define MMUSUFFIX _mmu
|
1842 |
#define ALIGNED_ONLY
|
1843 |
|
1844 |
#define SHIFT 0 |
1845 |
#include "softmmu_template.h" |
1846 |
|
1847 |
#define SHIFT 1 |
1848 |
#include "softmmu_template.h" |
1849 |
|
1850 |
#define SHIFT 2 |
1851 |
#include "softmmu_template.h" |
1852 |
|
1853 |
#define SHIFT 3 |
1854 |
#include "softmmu_template.h" |
1855 |
|
1856 |
static void do_unaligned_access (target_ulong addr, int is_write, int is_user, void *retaddr) |
1857 |
{ |
1858 |
env->CP0_BadVAddr = addr; |
1859 |
do_restore_state (retaddr); |
1860 |
do_raise_exception ((is_write == 1) ? EXCP_AdES : EXCP_AdEL);
|
1861 |
} |
1862 |
|
1863 |
void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr) |
1864 |
{ |
1865 |
TranslationBlock *tb; |
1866 |
CPUState *saved_env; |
1867 |
unsigned long pc; |
1868 |
int ret;
|
1869 |
|
1870 |
/* XXX: hack to restore env in all cases, even if not called from
|
1871 |
generated code */
|
1872 |
saved_env = env; |
1873 |
env = cpu_single_env; |
1874 |
ret = cpu_mips_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
|
1875 |
if (ret) {
|
1876 |
if (retaddr) {
|
1877 |
/* now we have a real cpu fault */
|
1878 |
pc = (unsigned long)retaddr; |
1879 |
tb = tb_find_pc(pc); |
1880 |
if (tb) {
|
1881 |
/* the PC is inside the translated code. It means that we have
|
1882 |
a virtual CPU fault */
|
1883 |
cpu_restore_state(tb, env, pc, NULL);
|
1884 |
} |
1885 |
} |
1886 |
do_raise_exception_err(env->exception_index, env->error_code); |
1887 |
} |
1888 |
env = saved_env; |
1889 |
} |
1890 |
|
1891 |
void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
1892 |
int unused, int size) |
1893 |
{ |
1894 |
if (is_exec)
|
1895 |
do_raise_exception(EXCP_IBE); |
1896 |
else
|
1897 |
do_raise_exception(EXCP_DBE); |
1898 |
} |
1899 |
#endif /* !CONFIG_USER_ONLY */ |
1900 |
|
1901 |
/* Complex FPU operations which may need stack space. */
|
1902 |
|
1903 |
#define FLOAT_ONE32 make_float32(0x3f8 << 20) |
1904 |
#define FLOAT_ONE64 make_float64(0x3ffULL << 52) |
1905 |
#define FLOAT_TWO32 make_float32(1 << 30) |
1906 |
#define FLOAT_TWO64 make_float64(1ULL << 62) |
1907 |
#define FLOAT_QNAN32 0x7fbfffff |
1908 |
#define FLOAT_QNAN64 0x7ff7ffffffffffffULL |
1909 |
#define FLOAT_SNAN32 0x7fffffff |
1910 |
#define FLOAT_SNAN64 0x7fffffffffffffffULL |
1911 |
|
1912 |
/* convert MIPS rounding mode in FCR31 to IEEE library */
|
1913 |
unsigned int ieee_rm[] = { |
1914 |
float_round_nearest_even, |
1915 |
float_round_to_zero, |
1916 |
float_round_up, |
1917 |
float_round_down |
1918 |
}; |
1919 |
|
1920 |
#define RESTORE_ROUNDING_MODE \
|
1921 |
set_float_rounding_mode(ieee_rm[env->active_fpu.fcr31 & 3], &env->active_fpu.fp_status)
|
1922 |
|
1923 |
target_ulong do_cfc1 (uint32_t reg) |
1924 |
{ |
1925 |
target_ulong t0; |
1926 |
|
1927 |
switch (reg) {
|
1928 |
case 0: |
1929 |
t0 = (int32_t)env->active_fpu.fcr0; |
1930 |
break;
|
1931 |
case 25: |
1932 |
t0 = ((env->active_fpu.fcr31 >> 24) & 0xfe) | ((env->active_fpu.fcr31 >> 23) & 0x1); |
1933 |
break;
|
1934 |
case 26: |
1935 |
t0 = env->active_fpu.fcr31 & 0x0003f07c;
|
1936 |
break;
|
1937 |
case 28: |
1938 |
t0 = (env->active_fpu.fcr31 & 0x00000f83) | ((env->active_fpu.fcr31 >> 22) & 0x4); |
1939 |
break;
|
1940 |
default:
|
1941 |
t0 = (int32_t)env->active_fpu.fcr31; |
1942 |
break;
|
1943 |
} |
1944 |
|
1945 |
return t0;
|
1946 |
} |
1947 |
|
1948 |
void do_ctc1 (target_ulong t0, uint32_t reg)
|
1949 |
{ |
1950 |
switch(reg) {
|
1951 |
case 25: |
1952 |
if (t0 & 0xffffff00) |
1953 |
return;
|
1954 |
env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0x017fffff) | ((t0 & 0xfe) << 24) | |
1955 |
((t0 & 0x1) << 23); |
1956 |
break;
|
1957 |
case 26: |
1958 |
if (t0 & 0x007c0000) |
1959 |
return;
|
1960 |
env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfffc0f83) | (t0 & 0x0003f07c); |
1961 |
break;
|
1962 |
case 28: |
1963 |
if (t0 & 0x007c0000) |
1964 |
return;
|
1965 |
env->active_fpu.fcr31 = (env->active_fpu.fcr31 & 0xfefff07c) | (t0 & 0x00000f83) | |
1966 |
((t0 & 0x4) << 22); |
1967 |
break;
|
1968 |
case 31: |
1969 |
if (t0 & 0x007c0000) |
1970 |
return;
|
1971 |
env->active_fpu.fcr31 = t0; |
1972 |
break;
|
1973 |
default:
|
1974 |
return;
|
1975 |
} |
1976 |
/* set rounding mode */
|
1977 |
RESTORE_ROUNDING_MODE; |
1978 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
1979 |
if ((GET_FP_ENABLE(env->active_fpu.fcr31) | 0x20) & GET_FP_CAUSE(env->active_fpu.fcr31)) |
1980 |
do_raise_exception(EXCP_FPE); |
1981 |
} |
1982 |
|
1983 |
static inline char ieee_ex_to_mips(char xcpt) |
1984 |
{ |
1985 |
return (xcpt & float_flag_inexact) >> 5 | |
1986 |
(xcpt & float_flag_underflow) >> 3 |
|
1987 |
(xcpt & float_flag_overflow) >> 1 |
|
1988 |
(xcpt & float_flag_divbyzero) << 1 |
|
1989 |
(xcpt & float_flag_invalid) << 4;
|
1990 |
} |
1991 |
|
1992 |
static inline char mips_ex_to_ieee(char xcpt) |
1993 |
{ |
1994 |
return (xcpt & FP_INEXACT) << 5 | |
1995 |
(xcpt & FP_UNDERFLOW) << 3 |
|
1996 |
(xcpt & FP_OVERFLOW) << 1 |
|
1997 |
(xcpt & FP_DIV0) >> 1 |
|
1998 |
(xcpt & FP_INVALID) >> 4;
|
1999 |
} |
2000 |
|
2001 |
static inline void update_fcr31(void) |
2002 |
{ |
2003 |
int tmp = ieee_ex_to_mips(get_float_exception_flags(&env->active_fpu.fp_status));
|
2004 |
|
2005 |
SET_FP_CAUSE(env->active_fpu.fcr31, tmp); |
2006 |
if (GET_FP_ENABLE(env->active_fpu.fcr31) & tmp)
|
2007 |
do_raise_exception(EXCP_FPE); |
2008 |
else
|
2009 |
UPDATE_FP_FLAGS(env->active_fpu.fcr31, tmp); |
2010 |
} |
2011 |
|
2012 |
/* Float support.
|
2013 |
Single precition routines have a "s" suffix, double precision a
|
2014 |
"d" suffix, 32bit integer "w", 64bit integer "l", paired single "ps",
|
2015 |
paired single lower "pl", paired single upper "pu". */
|
2016 |
|
2017 |
/* unary operations, modifying fp status */
|
2018 |
uint64_t do_float_sqrt_d(uint64_t fdt0) |
2019 |
{ |
2020 |
return float64_sqrt(fdt0, &env->active_fpu.fp_status);
|
2021 |
} |
2022 |
|
2023 |
uint32_t do_float_sqrt_s(uint32_t fst0) |
2024 |
{ |
2025 |
return float32_sqrt(fst0, &env->active_fpu.fp_status);
|
2026 |
} |
2027 |
|
2028 |
uint64_t do_float_cvtd_s(uint32_t fst0) |
2029 |
{ |
2030 |
uint64_t fdt2; |
2031 |
|
2032 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2033 |
fdt2 = float32_to_float64(fst0, &env->active_fpu.fp_status); |
2034 |
update_fcr31(); |
2035 |
return fdt2;
|
2036 |
} |
2037 |
|
2038 |
uint64_t do_float_cvtd_w(uint32_t wt0) |
2039 |
{ |
2040 |
uint64_t fdt2; |
2041 |
|
2042 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2043 |
fdt2 = int32_to_float64(wt0, &env->active_fpu.fp_status); |
2044 |
update_fcr31(); |
2045 |
return fdt2;
|
2046 |
} |
2047 |
|
2048 |
uint64_t do_float_cvtd_l(uint64_t dt0) |
2049 |
{ |
2050 |
uint64_t fdt2; |
2051 |
|
2052 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2053 |
fdt2 = int64_to_float64(dt0, &env->active_fpu.fp_status); |
2054 |
update_fcr31(); |
2055 |
return fdt2;
|
2056 |
} |
2057 |
|
2058 |
uint64_t do_float_cvtl_d(uint64_t fdt0) |
2059 |
{ |
2060 |
uint64_t dt2; |
2061 |
|
2062 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2063 |
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); |
2064 |
update_fcr31(); |
2065 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2066 |
dt2 = FLOAT_SNAN64; |
2067 |
return dt2;
|
2068 |
} |
2069 |
|
2070 |
uint64_t do_float_cvtl_s(uint32_t fst0) |
2071 |
{ |
2072 |
uint64_t dt2; |
2073 |
|
2074 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2075 |
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); |
2076 |
update_fcr31(); |
2077 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2078 |
dt2 = FLOAT_SNAN64; |
2079 |
return dt2;
|
2080 |
} |
2081 |
|
2082 |
uint64_t do_float_cvtps_pw(uint64_t dt0) |
2083 |
{ |
2084 |
uint32_t fst2; |
2085 |
uint32_t fsth2; |
2086 |
|
2087 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2088 |
fst2 = int32_to_float32(dt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
|
2089 |
fsth2 = int32_to_float32(dt0 >> 32, &env->active_fpu.fp_status);
|
2090 |
update_fcr31(); |
2091 |
return ((uint64_t)fsth2 << 32) | fst2; |
2092 |
} |
2093 |
|
2094 |
uint64_t do_float_cvtpw_ps(uint64_t fdt0) |
2095 |
{ |
2096 |
uint32_t wt2; |
2097 |
uint32_t wth2; |
2098 |
|
2099 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2100 |
wt2 = float32_to_int32(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
|
2101 |
wth2 = float32_to_int32(fdt0 >> 32, &env->active_fpu.fp_status);
|
2102 |
update_fcr31(); |
2103 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID)) {
|
2104 |
wt2 = FLOAT_SNAN32; |
2105 |
wth2 = FLOAT_SNAN32; |
2106 |
} |
2107 |
return ((uint64_t)wth2 << 32) | wt2; |
2108 |
} |
2109 |
|
2110 |
uint32_t do_float_cvts_d(uint64_t fdt0) |
2111 |
{ |
2112 |
uint32_t fst2; |
2113 |
|
2114 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2115 |
fst2 = float64_to_float32(fdt0, &env->active_fpu.fp_status); |
2116 |
update_fcr31(); |
2117 |
return fst2;
|
2118 |
} |
2119 |
|
2120 |
uint32_t do_float_cvts_w(uint32_t wt0) |
2121 |
{ |
2122 |
uint32_t fst2; |
2123 |
|
2124 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2125 |
fst2 = int32_to_float32(wt0, &env->active_fpu.fp_status); |
2126 |
update_fcr31(); |
2127 |
return fst2;
|
2128 |
} |
2129 |
|
2130 |
uint32_t do_float_cvts_l(uint64_t dt0) |
2131 |
{ |
2132 |
uint32_t fst2; |
2133 |
|
2134 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2135 |
fst2 = int64_to_float32(dt0, &env->active_fpu.fp_status); |
2136 |
update_fcr31(); |
2137 |
return fst2;
|
2138 |
} |
2139 |
|
2140 |
uint32_t do_float_cvts_pl(uint32_t wt0) |
2141 |
{ |
2142 |
uint32_t wt2; |
2143 |
|
2144 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2145 |
wt2 = wt0; |
2146 |
update_fcr31(); |
2147 |
return wt2;
|
2148 |
} |
2149 |
|
2150 |
uint32_t do_float_cvts_pu(uint32_t wth0) |
2151 |
{ |
2152 |
uint32_t wt2; |
2153 |
|
2154 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2155 |
wt2 = wth0; |
2156 |
update_fcr31(); |
2157 |
return wt2;
|
2158 |
} |
2159 |
|
2160 |
uint32_t do_float_cvtw_s(uint32_t fst0) |
2161 |
{ |
2162 |
uint32_t wt2; |
2163 |
|
2164 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2165 |
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); |
2166 |
update_fcr31(); |
2167 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2168 |
wt2 = FLOAT_SNAN32; |
2169 |
return wt2;
|
2170 |
} |
2171 |
|
2172 |
uint32_t do_float_cvtw_d(uint64_t fdt0) |
2173 |
{ |
2174 |
uint32_t wt2; |
2175 |
|
2176 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2177 |
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); |
2178 |
update_fcr31(); |
2179 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2180 |
wt2 = FLOAT_SNAN32; |
2181 |
return wt2;
|
2182 |
} |
2183 |
|
2184 |
uint64_t do_float_roundl_d(uint64_t fdt0) |
2185 |
{ |
2186 |
uint64_t dt2; |
2187 |
|
2188 |
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status); |
2189 |
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); |
2190 |
RESTORE_ROUNDING_MODE; |
2191 |
update_fcr31(); |
2192 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2193 |
dt2 = FLOAT_SNAN64; |
2194 |
return dt2;
|
2195 |
} |
2196 |
|
2197 |
uint64_t do_float_roundl_s(uint32_t fst0) |
2198 |
{ |
2199 |
uint64_t dt2; |
2200 |
|
2201 |
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status); |
2202 |
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); |
2203 |
RESTORE_ROUNDING_MODE; |
2204 |
update_fcr31(); |
2205 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2206 |
dt2 = FLOAT_SNAN64; |
2207 |
return dt2;
|
2208 |
} |
2209 |
|
2210 |
uint32_t do_float_roundw_d(uint64_t fdt0) |
2211 |
{ |
2212 |
uint32_t wt2; |
2213 |
|
2214 |
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status); |
2215 |
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); |
2216 |
RESTORE_ROUNDING_MODE; |
2217 |
update_fcr31(); |
2218 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2219 |
wt2 = FLOAT_SNAN32; |
2220 |
return wt2;
|
2221 |
} |
2222 |
|
2223 |
uint32_t do_float_roundw_s(uint32_t fst0) |
2224 |
{ |
2225 |
uint32_t wt2; |
2226 |
|
2227 |
set_float_rounding_mode(float_round_nearest_even, &env->active_fpu.fp_status); |
2228 |
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); |
2229 |
RESTORE_ROUNDING_MODE; |
2230 |
update_fcr31(); |
2231 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2232 |
wt2 = FLOAT_SNAN32; |
2233 |
return wt2;
|
2234 |
} |
2235 |
|
2236 |
uint64_t do_float_truncl_d(uint64_t fdt0) |
2237 |
{ |
2238 |
uint64_t dt2; |
2239 |
|
2240 |
dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status); |
2241 |
update_fcr31(); |
2242 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2243 |
dt2 = FLOAT_SNAN64; |
2244 |
return dt2;
|
2245 |
} |
2246 |
|
2247 |
uint64_t do_float_truncl_s(uint32_t fst0) |
2248 |
{ |
2249 |
uint64_t dt2; |
2250 |
|
2251 |
dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status); |
2252 |
update_fcr31(); |
2253 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2254 |
dt2 = FLOAT_SNAN64; |
2255 |
return dt2;
|
2256 |
} |
2257 |
|
2258 |
uint32_t do_float_truncw_d(uint64_t fdt0) |
2259 |
{ |
2260 |
uint32_t wt2; |
2261 |
|
2262 |
wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status); |
2263 |
update_fcr31(); |
2264 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2265 |
wt2 = FLOAT_SNAN32; |
2266 |
return wt2;
|
2267 |
} |
2268 |
|
2269 |
uint32_t do_float_truncw_s(uint32_t fst0) |
2270 |
{ |
2271 |
uint32_t wt2; |
2272 |
|
2273 |
wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status); |
2274 |
update_fcr31(); |
2275 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2276 |
wt2 = FLOAT_SNAN32; |
2277 |
return wt2;
|
2278 |
} |
2279 |
|
2280 |
uint64_t do_float_ceill_d(uint64_t fdt0) |
2281 |
{ |
2282 |
uint64_t dt2; |
2283 |
|
2284 |
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); |
2285 |
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); |
2286 |
RESTORE_ROUNDING_MODE; |
2287 |
update_fcr31(); |
2288 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2289 |
dt2 = FLOAT_SNAN64; |
2290 |
return dt2;
|
2291 |
} |
2292 |
|
2293 |
uint64_t do_float_ceill_s(uint32_t fst0) |
2294 |
{ |
2295 |
uint64_t dt2; |
2296 |
|
2297 |
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); |
2298 |
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); |
2299 |
RESTORE_ROUNDING_MODE; |
2300 |
update_fcr31(); |
2301 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2302 |
dt2 = FLOAT_SNAN64; |
2303 |
return dt2;
|
2304 |
} |
2305 |
|
2306 |
uint32_t do_float_ceilw_d(uint64_t fdt0) |
2307 |
{ |
2308 |
uint32_t wt2; |
2309 |
|
2310 |
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); |
2311 |
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); |
2312 |
RESTORE_ROUNDING_MODE; |
2313 |
update_fcr31(); |
2314 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2315 |
wt2 = FLOAT_SNAN32; |
2316 |
return wt2;
|
2317 |
} |
2318 |
|
2319 |
uint32_t do_float_ceilw_s(uint32_t fst0) |
2320 |
{ |
2321 |
uint32_t wt2; |
2322 |
|
2323 |
set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status); |
2324 |
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); |
2325 |
RESTORE_ROUNDING_MODE; |
2326 |
update_fcr31(); |
2327 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2328 |
wt2 = FLOAT_SNAN32; |
2329 |
return wt2;
|
2330 |
} |
2331 |
|
2332 |
uint64_t do_float_floorl_d(uint64_t fdt0) |
2333 |
{ |
2334 |
uint64_t dt2; |
2335 |
|
2336 |
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); |
2337 |
dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status); |
2338 |
RESTORE_ROUNDING_MODE; |
2339 |
update_fcr31(); |
2340 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2341 |
dt2 = FLOAT_SNAN64; |
2342 |
return dt2;
|
2343 |
} |
2344 |
|
2345 |
uint64_t do_float_floorl_s(uint32_t fst0) |
2346 |
{ |
2347 |
uint64_t dt2; |
2348 |
|
2349 |
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); |
2350 |
dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status); |
2351 |
RESTORE_ROUNDING_MODE; |
2352 |
update_fcr31(); |
2353 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2354 |
dt2 = FLOAT_SNAN64; |
2355 |
return dt2;
|
2356 |
} |
2357 |
|
2358 |
uint32_t do_float_floorw_d(uint64_t fdt0) |
2359 |
{ |
2360 |
uint32_t wt2; |
2361 |
|
2362 |
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); |
2363 |
wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status); |
2364 |
RESTORE_ROUNDING_MODE; |
2365 |
update_fcr31(); |
2366 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2367 |
wt2 = FLOAT_SNAN32; |
2368 |
return wt2;
|
2369 |
} |
2370 |
|
2371 |
uint32_t do_float_floorw_s(uint32_t fst0) |
2372 |
{ |
2373 |
uint32_t wt2; |
2374 |
|
2375 |
set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status); |
2376 |
wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status); |
2377 |
RESTORE_ROUNDING_MODE; |
2378 |
update_fcr31(); |
2379 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & (FP_OVERFLOW | FP_INVALID))
|
2380 |
wt2 = FLOAT_SNAN32; |
2381 |
return wt2;
|
2382 |
} |
2383 |
|
2384 |
/* unary operations, not modifying fp status */
|
2385 |
#define FLOAT_UNOP(name) \
|
2386 |
uint64_t do_float_ ## name ## _d(uint64_t fdt0) \ |
2387 |
{ \ |
2388 |
return float64_ ## name(fdt0); \ |
2389 |
} \ |
2390 |
uint32_t do_float_ ## name ## _s(uint32_t fst0) \ |
2391 |
{ \ |
2392 |
return float32_ ## name(fst0); \ |
2393 |
} \ |
2394 |
uint64_t do_float_ ## name ## _ps(uint64_t fdt0) \ |
2395 |
{ \ |
2396 |
uint32_t wt0; \ |
2397 |
uint32_t wth0; \ |
2398 |
\ |
2399 |
wt0 = float32_ ## name(fdt0 & 0XFFFFFFFF); \ |
2400 |
wth0 = float32_ ## name(fdt0 >> 32); \ |
2401 |
return ((uint64_t)wth0 << 32) | wt0; \ |
2402 |
} |
2403 |
FLOAT_UNOP(abs) |
2404 |
FLOAT_UNOP(chs) |
2405 |
#undef FLOAT_UNOP
|
2406 |
|
2407 |
/* MIPS specific unary operations */
|
2408 |
uint64_t do_float_recip_d(uint64_t fdt0) |
2409 |
{ |
2410 |
uint64_t fdt2; |
2411 |
|
2412 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2413 |
fdt2 = float64_div(FLOAT_ONE64, fdt0, &env->active_fpu.fp_status); |
2414 |
update_fcr31(); |
2415 |
return fdt2;
|
2416 |
} |
2417 |
|
2418 |
uint32_t do_float_recip_s(uint32_t fst0) |
2419 |
{ |
2420 |
uint32_t fst2; |
2421 |
|
2422 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2423 |
fst2 = float32_div(FLOAT_ONE32, fst0, &env->active_fpu.fp_status); |
2424 |
update_fcr31(); |
2425 |
return fst2;
|
2426 |
} |
2427 |
|
2428 |
uint64_t do_float_rsqrt_d(uint64_t fdt0) |
2429 |
{ |
2430 |
uint64_t fdt2; |
2431 |
|
2432 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2433 |
fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status); |
2434 |
fdt2 = float64_div(FLOAT_ONE64, fdt2, &env->active_fpu.fp_status); |
2435 |
update_fcr31(); |
2436 |
return fdt2;
|
2437 |
} |
2438 |
|
2439 |
uint32_t do_float_rsqrt_s(uint32_t fst0) |
2440 |
{ |
2441 |
uint32_t fst2; |
2442 |
|
2443 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2444 |
fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status); |
2445 |
fst2 = float32_div(FLOAT_ONE32, fst2, &env->active_fpu.fp_status); |
2446 |
update_fcr31(); |
2447 |
return fst2;
|
2448 |
} |
2449 |
|
2450 |
uint64_t do_float_recip1_d(uint64_t fdt0) |
2451 |
{ |
2452 |
uint64_t fdt2; |
2453 |
|
2454 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2455 |
fdt2 = float64_div(FLOAT_ONE64, fdt0, &env->active_fpu.fp_status); |
2456 |
update_fcr31(); |
2457 |
return fdt2;
|
2458 |
} |
2459 |
|
2460 |
uint32_t do_float_recip1_s(uint32_t fst0) |
2461 |
{ |
2462 |
uint32_t fst2; |
2463 |
|
2464 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2465 |
fst2 = float32_div(FLOAT_ONE32, fst0, &env->active_fpu.fp_status); |
2466 |
update_fcr31(); |
2467 |
return fst2;
|
2468 |
} |
2469 |
|
2470 |
uint64_t do_float_recip1_ps(uint64_t fdt0) |
2471 |
{ |
2472 |
uint32_t fst2; |
2473 |
uint32_t fsth2; |
2474 |
|
2475 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2476 |
fst2 = float32_div(FLOAT_ONE32, fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
|
2477 |
fsth2 = float32_div(FLOAT_ONE32, fdt0 >> 32, &env->active_fpu.fp_status);
|
2478 |
update_fcr31(); |
2479 |
return ((uint64_t)fsth2 << 32) | fst2; |
2480 |
} |
2481 |
|
2482 |
uint64_t do_float_rsqrt1_d(uint64_t fdt0) |
2483 |
{ |
2484 |
uint64_t fdt2; |
2485 |
|
2486 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2487 |
fdt2 = float64_sqrt(fdt0, &env->active_fpu.fp_status); |
2488 |
fdt2 = float64_div(FLOAT_ONE64, fdt2, &env->active_fpu.fp_status); |
2489 |
update_fcr31(); |
2490 |
return fdt2;
|
2491 |
} |
2492 |
|
2493 |
uint32_t do_float_rsqrt1_s(uint32_t fst0) |
2494 |
{ |
2495 |
uint32_t fst2; |
2496 |
|
2497 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2498 |
fst2 = float32_sqrt(fst0, &env->active_fpu.fp_status); |
2499 |
fst2 = float32_div(FLOAT_ONE32, fst2, &env->active_fpu.fp_status); |
2500 |
update_fcr31(); |
2501 |
return fst2;
|
2502 |
} |
2503 |
|
2504 |
uint64_t do_float_rsqrt1_ps(uint64_t fdt0) |
2505 |
{ |
2506 |
uint32_t fst2; |
2507 |
uint32_t fsth2; |
2508 |
|
2509 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2510 |
fst2 = float32_sqrt(fdt0 & 0XFFFFFFFF, &env->active_fpu.fp_status);
|
2511 |
fsth2 = float32_sqrt(fdt0 >> 32, &env->active_fpu.fp_status);
|
2512 |
fst2 = float32_div(FLOAT_ONE32, fst2, &env->active_fpu.fp_status); |
2513 |
fsth2 = float32_div(FLOAT_ONE32, fsth2, &env->active_fpu.fp_status); |
2514 |
update_fcr31(); |
2515 |
return ((uint64_t)fsth2 << 32) | fst2; |
2516 |
} |
2517 |
|
2518 |
#define FLOAT_OP(name, p) void do_float_##name##_##p(void) |
2519 |
|
2520 |
/* binary operations */
|
2521 |
#define FLOAT_BINOP(name) \
|
2522 |
uint64_t do_float_ ## name ## _d(uint64_t fdt0, uint64_t fdt1) \ |
2523 |
{ \ |
2524 |
uint64_t dt2; \ |
2525 |
\ |
2526 |
set_float_exception_flags(0, &env->active_fpu.fp_status); \
|
2527 |
dt2 = float64_ ## name (fdt0, fdt1, &env->active_fpu.fp_status); \ |
2528 |
update_fcr31(); \ |
2529 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_INVALID) \
|
2530 |
dt2 = FLOAT_QNAN64; \ |
2531 |
return dt2; \
|
2532 |
} \ |
2533 |
\ |
2534 |
uint32_t do_float_ ## name ## _s(uint32_t fst0, uint32_t fst1) \ |
2535 |
{ \ |
2536 |
uint32_t wt2; \ |
2537 |
\ |
2538 |
set_float_exception_flags(0, &env->active_fpu.fp_status); \
|
2539 |
wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \ |
2540 |
update_fcr31(); \ |
2541 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_INVALID) \
|
2542 |
wt2 = FLOAT_QNAN32; \ |
2543 |
return wt2; \
|
2544 |
} \ |
2545 |
\ |
2546 |
uint64_t do_float_ ## name ## _ps(uint64_t fdt0, uint64_t fdt1) \ |
2547 |
{ \ |
2548 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
|
2549 |
uint32_t fsth0 = fdt0 >> 32; \
|
2550 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
|
2551 |
uint32_t fsth1 = fdt1 >> 32; \
|
2552 |
uint32_t wt2; \ |
2553 |
uint32_t wth2; \ |
2554 |
\ |
2555 |
set_float_exception_flags(0, &env->active_fpu.fp_status); \
|
2556 |
wt2 = float32_ ## name (fst0, fst1, &env->active_fpu.fp_status); \ |
2557 |
wth2 = float32_ ## name (fsth0, fsth1, &env->active_fpu.fp_status); \ |
2558 |
update_fcr31(); \ |
2559 |
if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_INVALID) { \
|
2560 |
wt2 = FLOAT_QNAN32; \ |
2561 |
wth2 = FLOAT_QNAN32; \ |
2562 |
} \ |
2563 |
return ((uint64_t)wth2 << 32) | wt2; \ |
2564 |
} |
2565 |
|
2566 |
FLOAT_BINOP(add) |
2567 |
FLOAT_BINOP(sub) |
2568 |
FLOAT_BINOP(mul) |
2569 |
FLOAT_BINOP(div) |
2570 |
#undef FLOAT_BINOP
|
2571 |
|
2572 |
/* ternary operations */
|
2573 |
#define FLOAT_TERNOP(name1, name2) \
|
2574 |
uint64_t do_float_ ## name1 ## name2 ## _d(uint64_t fdt0, uint64_t fdt1, \ |
2575 |
uint64_t fdt2) \ |
2576 |
{ \ |
2577 |
fdt0 = float64_ ## name1 (fdt0, fdt1, &env->active_fpu.fp_status); \ |
2578 |
return float64_ ## name2 (fdt0, fdt2, &env->active_fpu.fp_status); \ |
2579 |
} \ |
2580 |
\ |
2581 |
uint32_t do_float_ ## name1 ## name2 ## _s(uint32_t fst0, uint32_t fst1, \ |
2582 |
uint32_t fst2) \ |
2583 |
{ \ |
2584 |
fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ |
2585 |
return float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ |
2586 |
} \ |
2587 |
\ |
2588 |
uint64_t do_float_ ## name1 ## name2 ## _ps(uint64_t fdt0, uint64_t fdt1, \ |
2589 |
uint64_t fdt2) \ |
2590 |
{ \ |
2591 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
|
2592 |
uint32_t fsth0 = fdt0 >> 32; \
|
2593 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
|
2594 |
uint32_t fsth1 = fdt1 >> 32; \
|
2595 |
uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
|
2596 |
uint32_t fsth2 = fdt2 >> 32; \
|
2597 |
\ |
2598 |
fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ |
2599 |
fsth0 = float32_ ## name1 (fsth0, fsth1, &env->active_fpu.fp_status); \ |
2600 |
fst2 = float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ |
2601 |
fsth2 = float32_ ## name2 (fsth0, fsth2, &env->active_fpu.fp_status); \ |
2602 |
return ((uint64_t)fsth2 << 32) | fst2; \ |
2603 |
} |
2604 |
|
2605 |
FLOAT_TERNOP(mul, add) |
2606 |
FLOAT_TERNOP(mul, sub) |
2607 |
#undef FLOAT_TERNOP
|
2608 |
|
2609 |
/* negated ternary operations */
|
2610 |
#define FLOAT_NTERNOP(name1, name2) \
|
2611 |
uint64_t do_float_n ## name1 ## name2 ## _d(uint64_t fdt0, uint64_t fdt1, \ |
2612 |
uint64_t fdt2) \ |
2613 |
{ \ |
2614 |
fdt0 = float64_ ## name1 (fdt0, fdt1, &env->active_fpu.fp_status); \ |
2615 |
fdt2 = float64_ ## name2 (fdt0, fdt2, &env->active_fpu.fp_status); \ |
2616 |
return float64_chs(fdt2); \
|
2617 |
} \ |
2618 |
\ |
2619 |
uint32_t do_float_n ## name1 ## name2 ## _s(uint32_t fst0, uint32_t fst1, \ |
2620 |
uint32_t fst2) \ |
2621 |
{ \ |
2622 |
fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ |
2623 |
fst2 = float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ |
2624 |
return float32_chs(fst2); \
|
2625 |
} \ |
2626 |
\ |
2627 |
uint64_t do_float_n ## name1 ## name2 ## _ps(uint64_t fdt0, uint64_t fdt1,\ |
2628 |
uint64_t fdt2) \ |
2629 |
{ \ |
2630 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF; \
|
2631 |
uint32_t fsth0 = fdt0 >> 32; \
|
2632 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF; \
|
2633 |
uint32_t fsth1 = fdt1 >> 32; \
|
2634 |
uint32_t fst2 = fdt2 & 0XFFFFFFFF; \
|
2635 |
uint32_t fsth2 = fdt2 >> 32; \
|
2636 |
\ |
2637 |
fst0 = float32_ ## name1 (fst0, fst1, &env->active_fpu.fp_status); \ |
2638 |
fsth0 = float32_ ## name1 (fsth0, fsth1, &env->active_fpu.fp_status); \ |
2639 |
fst2 = float32_ ## name2 (fst0, fst2, &env->active_fpu.fp_status); \ |
2640 |
fsth2 = float32_ ## name2 (fsth0, fsth2, &env->active_fpu.fp_status); \ |
2641 |
fst2 = float32_chs(fst2); \ |
2642 |
fsth2 = float32_chs(fsth2); \ |
2643 |
return ((uint64_t)fsth2 << 32) | fst2; \ |
2644 |
} |
2645 |
|
2646 |
FLOAT_NTERNOP(mul, add) |
2647 |
FLOAT_NTERNOP(mul, sub) |
2648 |
#undef FLOAT_NTERNOP
|
2649 |
|
2650 |
/* MIPS specific binary operations */
|
2651 |
uint64_t do_float_recip2_d(uint64_t fdt0, uint64_t fdt2) |
2652 |
{ |
2653 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2654 |
fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status); |
2655 |
fdt2 = float64_chs(float64_sub(fdt2, FLOAT_ONE64, &env->active_fpu.fp_status)); |
2656 |
update_fcr31(); |
2657 |
return fdt2;
|
2658 |
} |
2659 |
|
2660 |
uint32_t do_float_recip2_s(uint32_t fst0, uint32_t fst2) |
2661 |
{ |
2662 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2663 |
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status); |
2664 |
fst2 = float32_chs(float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status)); |
2665 |
update_fcr31(); |
2666 |
return fst2;
|
2667 |
} |
2668 |
|
2669 |
uint64_t do_float_recip2_ps(uint64_t fdt0, uint64_t fdt2) |
2670 |
{ |
2671 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
|
2672 |
uint32_t fsth0 = fdt0 >> 32;
|
2673 |
uint32_t fst2 = fdt2 & 0XFFFFFFFF;
|
2674 |
uint32_t fsth2 = fdt2 >> 32;
|
2675 |
|
2676 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2677 |
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status); |
2678 |
fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status); |
2679 |
fst2 = float32_chs(float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status)); |
2680 |
fsth2 = float32_chs(float32_sub(fsth2, FLOAT_ONE32, &env->active_fpu.fp_status)); |
2681 |
update_fcr31(); |
2682 |
return ((uint64_t)fsth2 << 32) | fst2; |
2683 |
} |
2684 |
|
2685 |
uint64_t do_float_rsqrt2_d(uint64_t fdt0, uint64_t fdt2) |
2686 |
{ |
2687 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2688 |
fdt2 = float64_mul(fdt0, fdt2, &env->active_fpu.fp_status); |
2689 |
fdt2 = float64_sub(fdt2, FLOAT_ONE64, &env->active_fpu.fp_status); |
2690 |
fdt2 = float64_chs(float64_div(fdt2, FLOAT_TWO64, &env->active_fpu.fp_status)); |
2691 |
update_fcr31(); |
2692 |
return fdt2;
|
2693 |
} |
2694 |
|
2695 |
uint32_t do_float_rsqrt2_s(uint32_t fst0, uint32_t fst2) |
2696 |
{ |
2697 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2698 |
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status); |
2699 |
fst2 = float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status); |
2700 |
fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status)); |
2701 |
update_fcr31(); |
2702 |
return fst2;
|
2703 |
} |
2704 |
|
2705 |
uint64_t do_float_rsqrt2_ps(uint64_t fdt0, uint64_t fdt2) |
2706 |
{ |
2707 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
|
2708 |
uint32_t fsth0 = fdt0 >> 32;
|
2709 |
uint32_t fst2 = fdt2 & 0XFFFFFFFF;
|
2710 |
uint32_t fsth2 = fdt2 >> 32;
|
2711 |
|
2712 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2713 |
fst2 = float32_mul(fst0, fst2, &env->active_fpu.fp_status); |
2714 |
fsth2 = float32_mul(fsth0, fsth2, &env->active_fpu.fp_status); |
2715 |
fst2 = float32_sub(fst2, FLOAT_ONE32, &env->active_fpu.fp_status); |
2716 |
fsth2 = float32_sub(fsth2, FLOAT_ONE32, &env->active_fpu.fp_status); |
2717 |
fst2 = float32_chs(float32_div(fst2, FLOAT_TWO32, &env->active_fpu.fp_status)); |
2718 |
fsth2 = float32_chs(float32_div(fsth2, FLOAT_TWO32, &env->active_fpu.fp_status)); |
2719 |
update_fcr31(); |
2720 |
return ((uint64_t)fsth2 << 32) | fst2; |
2721 |
} |
2722 |
|
2723 |
uint64_t do_float_addr_ps(uint64_t fdt0, uint64_t fdt1) |
2724 |
{ |
2725 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
|
2726 |
uint32_t fsth0 = fdt0 >> 32;
|
2727 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF;
|
2728 |
uint32_t fsth1 = fdt1 >> 32;
|
2729 |
uint32_t fst2; |
2730 |
uint32_t fsth2; |
2731 |
|
2732 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2733 |
fst2 = float32_add (fst0, fsth0, &env->active_fpu.fp_status); |
2734 |
fsth2 = float32_add (fst1, fsth1, &env->active_fpu.fp_status); |
2735 |
update_fcr31(); |
2736 |
return ((uint64_t)fsth2 << 32) | fst2; |
2737 |
} |
2738 |
|
2739 |
uint64_t do_float_mulr_ps(uint64_t fdt0, uint64_t fdt1) |
2740 |
{ |
2741 |
uint32_t fst0 = fdt0 & 0XFFFFFFFF;
|
2742 |
uint32_t fsth0 = fdt0 >> 32;
|
2743 |
uint32_t fst1 = fdt1 & 0XFFFFFFFF;
|
2744 |
uint32_t fsth1 = fdt1 >> 32;
|
2745 |
uint32_t fst2; |
2746 |
uint32_t fsth2; |
2747 |
|
2748 |
set_float_exception_flags(0, &env->active_fpu.fp_status);
|
2749 |
fst2 = float32_mul (fst0, fsth0, &env->active_fpu.fp_status); |
2750 |
fsth2 = float32_mul (fst1, fsth1, &env->active_fpu.fp_status); |
2751 |
update_fcr31(); |
2752 |
return ((uint64_t)fsth2 << 32) | fst2; |
2753 |
} |
2754 |
|
2755 |
/* compare operations */
|
2756 |
#define FOP_COND_D(op, cond) \
|
2757 |
void do_cmp_d_ ## op (uint64_t fdt0, uint64_t fdt1, int cc) \ |
2758 |
{ \ |
2759 |
int c = cond; \
|
2760 |
update_fcr31(); \ |
2761 |
if (c) \
|
2762 |
SET_FP_COND(cc, env->active_fpu); \ |
2763 |
else \
|
2764 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
2765 |
} \ |
2766 |
void do_cmpabs_d_ ## op (uint64_t fdt0, uint64_t fdt1, int cc) \ |
2767 |
{ \ |
2768 |
int c; \
|
2769 |
fdt0 = float64_abs(fdt0); \ |
2770 |
fdt1 = float64_abs(fdt1); \ |
2771 |
c = cond; \ |
2772 |
update_fcr31(); \ |
2773 |
if (c) \
|
2774 |
SET_FP_COND(cc, env->active_fpu); \ |
2775 |
else \
|
2776 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
2777 |
} |
2778 |
|
2779 |
int float64_is_unordered(int sig, float64 a, float64 b STATUS_PARAM) |
2780 |
{ |
2781 |
if (float64_is_signaling_nan(a) ||
|
2782 |
float64_is_signaling_nan(b) || |
2783 |
(sig && (float64_is_nan(a) || float64_is_nan(b)))) { |
2784 |
float_raise(float_flag_invalid, status); |
2785 |
return 1; |
2786 |
} else if (float64_is_nan(a) || float64_is_nan(b)) { |
2787 |
return 1; |
2788 |
} else {
|
2789 |
return 0; |
2790 |
} |
2791 |
} |
2792 |
|
2793 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
2794 |
* but float*_is_unordered() is still called. */
|
2795 |
FOP_COND_D(f, (float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status), 0)) |
2796 |
FOP_COND_D(un, float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status))
|
2797 |
FOP_COND_D(eq, !float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) && float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
|
2798 |
FOP_COND_D(ueq, float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
|
2799 |
FOP_COND_D(olt, !float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) && float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
|
2800 |
FOP_COND_D(ult, float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
|
2801 |
FOP_COND_D(ole, !float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) && float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
|
2802 |
FOP_COND_D(ule, float64_is_unordered(0, fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
|
2803 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
2804 |
* but float*_is_unordered() is still called. */
|
2805 |
FOP_COND_D(sf, (float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status), 0)) |
2806 |
FOP_COND_D(ngle,float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status))
|
2807 |
FOP_COND_D(seq, !float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) && float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
|
2808 |
FOP_COND_D(ngl, float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) || float64_eq(fdt0, fdt1, &env->active_fpu.fp_status))
|
2809 |
FOP_COND_D(lt, !float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) && float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
|
2810 |
FOP_COND_D(nge, float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) || float64_lt(fdt0, fdt1, &env->active_fpu.fp_status))
|
2811 |
FOP_COND_D(le, !float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) && float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
|
2812 |
FOP_COND_D(ngt, float64_is_unordered(1, fdt1, fdt0, &env->active_fpu.fp_status) || float64_le(fdt0, fdt1, &env->active_fpu.fp_status))
|
2813 |
|
2814 |
#define FOP_COND_S(op, cond) \
|
2815 |
void do_cmp_s_ ## op (uint32_t fst0, uint32_t fst1, int cc) \ |
2816 |
{ \ |
2817 |
int c = cond; \
|
2818 |
update_fcr31(); \ |
2819 |
if (c) \
|
2820 |
SET_FP_COND(cc, env->active_fpu); \ |
2821 |
else \
|
2822 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
2823 |
} \ |
2824 |
void do_cmpabs_s_ ## op (uint32_t fst0, uint32_t fst1, int cc) \ |
2825 |
{ \ |
2826 |
int c; \
|
2827 |
fst0 = float32_abs(fst0); \ |
2828 |
fst1 = float32_abs(fst1); \ |
2829 |
c = cond; \ |
2830 |
update_fcr31(); \ |
2831 |
if (c) \
|
2832 |
SET_FP_COND(cc, env->active_fpu); \ |
2833 |
else \
|
2834 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
2835 |
} |
2836 |
|
2837 |
flag float32_is_unordered(int sig, float32 a, float32 b STATUS_PARAM)
|
2838 |
{ |
2839 |
if (float32_is_signaling_nan(a) ||
|
2840 |
float32_is_signaling_nan(b) || |
2841 |
(sig && (float32_is_nan(a) || float32_is_nan(b)))) { |
2842 |
float_raise(float_flag_invalid, status); |
2843 |
return 1; |
2844 |
} else if (float32_is_nan(a) || float32_is_nan(b)) { |
2845 |
return 1; |
2846 |
} else {
|
2847 |
return 0; |
2848 |
} |
2849 |
} |
2850 |
|
2851 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
2852 |
* but float*_is_unordered() is still called. */
|
2853 |
FOP_COND_S(f, (float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status), 0)) |
2854 |
FOP_COND_S(un, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status))
|
2855 |
FOP_COND_S(eq, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_eq(fst0, fst1, &env->active_fpu.fp_status))
|
2856 |
FOP_COND_S(ueq, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
|
2857 |
FOP_COND_S(olt, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_lt(fst0, fst1, &env->active_fpu.fp_status))
|
2858 |
FOP_COND_S(ult, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
|
2859 |
FOP_COND_S(ole, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_le(fst0, fst1, &env->active_fpu.fp_status))
|
2860 |
FOP_COND_S(ule, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
|
2861 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
2862 |
* but float*_is_unordered() is still called. */
|
2863 |
FOP_COND_S(sf, (float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status), 0)) |
2864 |
FOP_COND_S(ngle,float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status))
|
2865 |
FOP_COND_S(seq, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_eq(fst0, fst1, &env->active_fpu.fp_status))
|
2866 |
FOP_COND_S(ngl, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status))
|
2867 |
FOP_COND_S(lt, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_lt(fst0, fst1, &env->active_fpu.fp_status))
|
2868 |
FOP_COND_S(nge, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status))
|
2869 |
FOP_COND_S(le, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_le(fst0, fst1, &env->active_fpu.fp_status))
|
2870 |
FOP_COND_S(ngt, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status))
|
2871 |
|
2872 |
#define FOP_COND_PS(op, condl, condh) \
|
2873 |
void do_cmp_ps_ ## op (uint64_t fdt0, uint64_t fdt1, int cc) \ |
2874 |
{ \ |
2875 |
uint32_t fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
|
2876 |
uint32_t fsth0 = float32_abs(fdt0 >> 32); \
|
2877 |
uint32_t fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
|
2878 |
uint32_t fsth1 = float32_abs(fdt1 >> 32); \
|
2879 |
int cl = condl; \
|
2880 |
int ch = condh; \
|
2881 |
\ |
2882 |
update_fcr31(); \ |
2883 |
if (cl) \
|
2884 |
SET_FP_COND(cc, env->active_fpu); \ |
2885 |
else \
|
2886 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
2887 |
if (ch) \
|
2888 |
SET_FP_COND(cc + 1, env->active_fpu); \
|
2889 |
else \
|
2890 |
CLEAR_FP_COND(cc + 1, env->active_fpu); \
|
2891 |
} \ |
2892 |
void do_cmpabs_ps_ ## op (uint64_t fdt0, uint64_t fdt1, int cc) \ |
2893 |
{ \ |
2894 |
uint32_t fst0 = float32_abs(fdt0 & 0XFFFFFFFF); \
|
2895 |
uint32_t fsth0 = float32_abs(fdt0 >> 32); \
|
2896 |
uint32_t fst1 = float32_abs(fdt1 & 0XFFFFFFFF); \
|
2897 |
uint32_t fsth1 = float32_abs(fdt1 >> 32); \
|
2898 |
int cl = condl; \
|
2899 |
int ch = condh; \
|
2900 |
\ |
2901 |
update_fcr31(); \ |
2902 |
if (cl) \
|
2903 |
SET_FP_COND(cc, env->active_fpu); \ |
2904 |
else \
|
2905 |
CLEAR_FP_COND(cc, env->active_fpu); \ |
2906 |
if (ch) \
|
2907 |
SET_FP_COND(cc + 1, env->active_fpu); \
|
2908 |
else \
|
2909 |
CLEAR_FP_COND(cc + 1, env->active_fpu); \
|
2910 |
} |
2911 |
|
2912 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
2913 |
* but float*_is_unordered() is still called. */
|
2914 |
FOP_COND_PS(f, (float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status), 0), |
2915 |
(float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status), 0)) |
2916 |
FOP_COND_PS(un, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status),
|
2917 |
float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status))
|
2918 |
FOP_COND_PS(eq, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_eq(fst0, fst1, &env->active_fpu.fp_status),
|
2919 |
!float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) && float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
|
2920 |
FOP_COND_PS(ueq, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
|
2921 |
float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
|
2922 |
FOP_COND_PS(olt, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_lt(fst0, fst1, &env->active_fpu.fp_status),
|
2923 |
!float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) && float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
|
2924 |
FOP_COND_PS(ult, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
|
2925 |
float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
|
2926 |
FOP_COND_PS(ole, !float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) && float32_le(fst0, fst1, &env->active_fpu.fp_status),
|
2927 |
!float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) && float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
|
2928 |
FOP_COND_PS(ule, float32_is_unordered(0, fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
|
2929 |
float32_is_unordered(0, fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
|
2930 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
2931 |
* but float*_is_unordered() is still called. */
|
2932 |
FOP_COND_PS(sf, (float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status), 0), |
2933 |
(float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status), 0)) |
2934 |
FOP_COND_PS(ngle,float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status),
|
2935 |
float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status))
|
2936 |
FOP_COND_PS(seq, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_eq(fst0, fst1, &env->active_fpu.fp_status),
|
2937 |
!float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) && float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
|
2938 |
FOP_COND_PS(ngl, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_eq(fst0, fst1, &env->active_fpu.fp_status),
|
2939 |
float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) || float32_eq(fsth0, fsth1, &env->active_fpu.fp_status))
|
2940 |
FOP_COND_PS(lt, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_lt(fst0, fst1, &env->active_fpu.fp_status),
|
2941 |
!float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) && float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
|
2942 |
FOP_COND_PS(nge, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_lt(fst0, fst1, &env->active_fpu.fp_status),
|
2943 |
float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) || float32_lt(fsth0, fsth1, &env->active_fpu.fp_status))
|
2944 |
FOP_COND_PS(le, !float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) && float32_le(fst0, fst1, &env->active_fpu.fp_status),
|
2945 |
!float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) && float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
|
2946 |
FOP_COND_PS(ngt, float32_is_unordered(1, fst1, fst0, &env->active_fpu.fp_status) || float32_le(fst0, fst1, &env->active_fpu.fp_status),
|
2947 |
float32_is_unordered(1, fsth1, fsth0, &env->active_fpu.fp_status) || float32_le(fsth0, fsth1, &env->active_fpu.fp_status))
|