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917 lines
29 KiB
C
917 lines
29 KiB
C
/* collection of junk waiting time to sort out
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Copyright (C) 1998-2021 Free Software Foundation, Inc.
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Contributed by Red Hat
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This file is part of the GNU Simulators.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef FRV_SIM_H
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#define FRV_SIM_H
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#include "sim-options.h"
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/* True if SPR is the number of accumulator or accumulator guard register. */
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#define SPR_IS_ACC(SPR) ((SPR) >= 1408 && (SPR) <= 1535)
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/* Initialization of the frv cpu. */
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void frv_initialize (SIM_CPU *, SIM_DESC);
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void frv_term (SIM_DESC);
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void frv_power_on_reset (SIM_CPU *);
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void frv_hardware_reset (SIM_CPU *);
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void frv_software_reset (SIM_CPU *);
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/* The reset register. See FRV LSI section 10.3.1 */
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#define RSTR_ADDRESS 0xfeff0500
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#define RSTR_INITIAL_VALUE 0x00000400
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#define RSTR_HARDWARE_RESET 0x00000200
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#define RSTR_SOFTWARE_RESET 0x00000100
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#define GET_RSTR_HR(rstr) (((rstr) >> 1) & 1)
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#define GET_RSTR_SR(rstr) (((rstr) ) & 1)
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#define SET_RSTR_H(rstr) ((rstr) |= (1 << 9))
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#define SET_RSTR_S(rstr) ((rstr) |= (1 << 8))
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#define CLEAR_RSTR_P(rstr) ((rstr) &= ~(1 << 10))
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#define CLEAR_RSTR_H(rstr) ((rstr) &= ~(1 << 9))
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#define CLEAR_RSTR_S(rstr) ((rstr) &= ~(1 << 8))
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#define CLEAR_RSTR_HR(rstr) ((rstr) &= ~(1 << 1))
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#define CLEAR_RSTR_SR(rstr) ((rstr) &= ~1)
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/* Cutomized hardware get/set functions. */
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extern USI frvbf_h_spr_get_handler (SIM_CPU *, UINT);
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extern void frvbf_h_spr_set_handler (SIM_CPU *, UINT, USI);
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extern USI frvbf_h_gr_get_handler (SIM_CPU *, UINT);
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extern void frvbf_h_gr_set_handler (SIM_CPU *, UINT, USI);
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extern UHI frvbf_h_gr_hi_get_handler (SIM_CPU *, UINT);
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extern void frvbf_h_gr_hi_set_handler (SIM_CPU *, UINT, UHI);
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extern UHI frvbf_h_gr_lo_get_handler (SIM_CPU *, UINT);
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extern void frvbf_h_gr_lo_set_handler (SIM_CPU *, UINT, UHI);
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extern DI frvbf_h_gr_double_get_handler (SIM_CPU *, UINT);
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extern void frvbf_h_gr_double_set_handler (SIM_CPU *, UINT, DI);
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extern SF frvbf_h_fr_get_handler (SIM_CPU *, UINT);
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extern void frvbf_h_fr_set_handler (SIM_CPU *, UINT, SF);
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extern DF frvbf_h_fr_double_get_handler (SIM_CPU *, UINT);
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extern void frvbf_h_fr_double_set_handler (SIM_CPU *, UINT, DF);
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extern USI frvbf_h_fr_int_get_handler (SIM_CPU *, UINT);
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extern void frvbf_h_fr_int_set_handler (SIM_CPU *, UINT, USI);
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extern DI frvbf_h_cpr_double_get_handler (SIM_CPU *, UINT);
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extern void frvbf_h_cpr_double_set_handler (SIM_CPU *, UINT, DI);
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extern void frvbf_h_gr_quad_set_handler (SIM_CPU *, UINT, SI *);
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extern void frvbf_h_fr_quad_set_handler (SIM_CPU *, UINT, SI *);
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extern void frvbf_h_cpr_quad_set_handler (SIM_CPU *, UINT, SI *);
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extern void frvbf_h_psr_s_set_handler (SIM_CPU *, BI);
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extern USI spr_psr_get_handler (SIM_CPU *);
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extern void spr_psr_set_handler (SIM_CPU *, USI);
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extern USI spr_tbr_get_handler (SIM_CPU *);
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extern void spr_tbr_set_handler (SIM_CPU *, USI);
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extern USI spr_bpsr_get_handler (SIM_CPU *);
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extern void spr_bpsr_set_handler (SIM_CPU *, USI);
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extern USI spr_ccr_get_handler (SIM_CPU *);
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extern void spr_ccr_set_handler (SIM_CPU *, USI);
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extern void spr_cccr_set_handler (SIM_CPU *, USI);
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extern USI spr_cccr_get_handler (SIM_CPU *);
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extern USI spr_isr_get_handler (SIM_CPU *);
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extern void spr_isr_set_handler (SIM_CPU *, USI);
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extern USI spr_sr_get_handler (SIM_CPU *, UINT);
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extern void spr_sr_set_handler (SIM_CPU *, UINT, USI);
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extern void frvbf_switch_supervisor_user_context (SIM_CPU *);
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extern QI frvbf_set_icc_for_shift_left (SIM_CPU *, SI, SI, QI);
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extern QI frvbf_set_icc_for_shift_right (SIM_CPU *, SI, SI, QI);
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/* Insn semantics. */
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extern void frvbf_signed_integer_divide (SIM_CPU *, SI, SI, int, int);
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extern void frvbf_unsigned_integer_divide (SIM_CPU *, USI, USI, int, int);
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extern SI frvbf_shift_left_arith_saturate (SIM_CPU *, SI, SI);
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extern SI frvbf_iacc_cut (SIM_CPU *, DI, SI);
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extern void frvbf_clear_accumulators (SIM_CPU *, SI, int);
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extern SI frvbf_scan_result (SIM_CPU *, SI);
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extern SI frvbf_cut (SIM_CPU *, SI, SI, SI);
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extern SI frvbf_media_cut (SIM_CPU *, DI, SI);
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extern SI frvbf_media_cut_ss (SIM_CPU *, DI, SI);
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extern void frvbf_media_cop (SIM_CPU *, int);
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extern UQI frvbf_cr_logic (SIM_CPU *, SI, UQI, UQI);
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extern void frvbf_set_write_next_vliw_addr_to_LR (SIM_CPU *, int);
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extern int frvbf_write_next_vliw_addr_to_LR;
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extern void frvbf_set_ne_index (SIM_CPU *, int);
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extern void frvbf_force_update (SIM_CPU *);
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#define GETTWI GETTSI
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#define SETTWI SETTSI
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#define LEUINT LEUSI
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/* Hardware/device support.
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??? Will eventually want to move device stuff to config files. */
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/* maintain the address of the start of the previous VLIW insn sequence. */
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extern IADDR previous_vliw_pc;
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extern CGEN_ATTR_VALUE_ENUM_TYPE frv_current_fm_slot;
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/* Hardware status. */
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#define GET_HSR0() GET_H_SPR (H_SPR_HSR0)
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#define SET_HSR0(hsr0) SET_H_SPR (H_SPR_HSR0, (hsr0))
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#define GET_HSR0_ICE(hsr0) (((hsr0) >> 31) & 1)
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#define SET_HSR0_ICE(hsr0) ((hsr0) |= (1 << 31))
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#define CLEAR_HSR0_ICE(hsr0) ((hsr0) &= ~(1 << 31))
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#define GET_HSR0_DCE(hsr0) (((hsr0) >> 30) & 1)
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#define SET_HSR0_DCE(hsr0) ((hsr0) |= (1 << 30))
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#define CLEAR_HSR0_DCE(hsr0) ((hsr0) &= ~(1 << 30))
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#define GET_HSR0_CBM(hsr0) (((hsr0) >> 27) & 1)
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#define GET_HSR0_RME(hsr0) (((hsr0) >> 22) & 1)
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#define GET_HSR0_SA(hsr0) (((hsr0) >> 12) & 1)
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#define GET_HSR0_FRN(hsr0) (((hsr0) >> 11) & 1)
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#define GET_HSR0_GRN(hsr0) (((hsr0) >> 10) & 1)
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#define GET_HSR0_FRHE(hsr0) (((hsr0) >> 9) & 1)
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#define GET_HSR0_FRLE(hsr0) (((hsr0) >> 8) & 1)
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#define GET_HSR0_GRHE(hsr0) (((hsr0) >> 7) & 1)
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#define GET_HSR0_GRLE(hsr0) (((hsr0) >> 6) & 1)
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#define GET_IHSR8() GET_H_SPR (H_SPR_IHSR8)
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#define GET_IHSR8_NBC(ihsr8) ((ihsr8) & 1)
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#define GET_IHSR8_ICDM(ihsr8) (((ihsr8) >> 1) & 1)
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#define GET_IHSR8_ICWE(ihsr8) (((ihsr8) >> 8) & 7)
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#define GET_IHSR8_DCWE(ihsr8) (((ihsr8) >> 12) & 7)
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void frvbf_insn_cache_preload (SIM_CPU *, SI, USI, int);
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void frvbf_data_cache_preload (SIM_CPU *, SI, USI, int);
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void frvbf_insn_cache_unlock (SIM_CPU *, SI);
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void frvbf_data_cache_unlock (SIM_CPU *, SI);
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void frvbf_insn_cache_invalidate (SIM_CPU *, SI, int);
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void frvbf_data_cache_invalidate (SIM_CPU *, SI, int);
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void frvbf_data_cache_flush (SIM_CPU *, SI, int);
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/* FR-V Interrupt classes.
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These are declared in order of increasing priority. */
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enum frv_interrupt_class
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{
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FRV_EXTERNAL_INTERRUPT,
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FRV_SOFTWARE_INTERRUPT,
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FRV_PROGRAM_INTERRUPT,
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FRV_BREAK_INTERRUPT,
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FRV_RESET_INTERRUPT,
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NUM_FRV_INTERRUPT_CLASSES
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};
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/* FR-V Interrupt kinds.
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These are declared in order of increasing priority. */
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enum frv_interrupt_kind
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{
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/* External interrupts */
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FRV_INTERRUPT_LEVEL_1,
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FRV_INTERRUPT_LEVEL_2,
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FRV_INTERRUPT_LEVEL_3,
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FRV_INTERRUPT_LEVEL_4,
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FRV_INTERRUPT_LEVEL_5,
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FRV_INTERRUPT_LEVEL_6,
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FRV_INTERRUPT_LEVEL_7,
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FRV_INTERRUPT_LEVEL_8,
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FRV_INTERRUPT_LEVEL_9,
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FRV_INTERRUPT_LEVEL_10,
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FRV_INTERRUPT_LEVEL_11,
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FRV_INTERRUPT_LEVEL_12,
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FRV_INTERRUPT_LEVEL_13,
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FRV_INTERRUPT_LEVEL_14,
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FRV_INTERRUPT_LEVEL_15,
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/* Software interrupt */
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FRV_TRAP_INSTRUCTION,
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/* Program interrupts */
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FRV_COMMIT_EXCEPTION,
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FRV_DIVISION_EXCEPTION,
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FRV_DATA_STORE_ERROR,
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FRV_DATA_ACCESS_EXCEPTION,
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FRV_DATA_ACCESS_MMU_MISS,
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FRV_DATA_ACCESS_ERROR,
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FRV_MP_EXCEPTION,
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FRV_FP_EXCEPTION,
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FRV_MEM_ADDRESS_NOT_ALIGNED,
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FRV_REGISTER_EXCEPTION,
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FRV_MP_DISABLED,
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FRV_FP_DISABLED,
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FRV_PRIVILEGED_INSTRUCTION,
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FRV_ILLEGAL_INSTRUCTION,
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FRV_INSTRUCTION_ACCESS_EXCEPTION,
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FRV_INSTRUCTION_ACCESS_ERROR,
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FRV_INSTRUCTION_ACCESS_MMU_MISS,
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FRV_COMPOUND_EXCEPTION,
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/* Break interrupt */
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FRV_BREAK_EXCEPTION,
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/* Reset interrupt */
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FRV_RESET,
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NUM_FRV_INTERRUPT_KINDS
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};
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/* FRV interrupt exception codes */
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enum frv_ec
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{
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FRV_EC_DATA_STORE_ERROR = 0x00,
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FRV_EC_INSTRUCTION_ACCESS_MMU_MISS = 0x01,
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FRV_EC_INSTRUCTION_ACCESS_ERROR = 0x02,
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FRV_EC_INSTRUCTION_ACCESS_EXCEPTION = 0x03,
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FRV_EC_PRIVILEGED_INSTRUCTION = 0x04,
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FRV_EC_ILLEGAL_INSTRUCTION = 0x05,
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FRV_EC_FP_DISABLED = 0x06,
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FRV_EC_MP_DISABLED = 0x07,
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FRV_EC_MEM_ADDRESS_NOT_ALIGNED = 0x0b,
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FRV_EC_REGISTER_EXCEPTION = 0x0c,
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FRV_EC_FP_EXCEPTION = 0x0d,
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FRV_EC_MP_EXCEPTION = 0x0e,
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FRV_EC_DATA_ACCESS_ERROR = 0x10,
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FRV_EC_DATA_ACCESS_MMU_MISS = 0x11,
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FRV_EC_DATA_ACCESS_EXCEPTION = 0x12,
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FRV_EC_DIVISION_EXCEPTION = 0x13,
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FRV_EC_COMMIT_EXCEPTION = 0x14,
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FRV_EC_NOT_EXECUTED = 0x1f,
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FRV_EC_INTERRUPT_LEVEL_1 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_2 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_3 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_4 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_5 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_6 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_7 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_8 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_9 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_10 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_11 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_12 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_13 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_14 = FRV_EC_NOT_EXECUTED,
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FRV_EC_INTERRUPT_LEVEL_15 = FRV_EC_NOT_EXECUTED,
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FRV_EC_TRAP_INSTRUCTION = FRV_EC_NOT_EXECUTED,
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FRV_EC_COMPOUND_EXCEPTION = FRV_EC_NOT_EXECUTED,
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FRV_EC_BREAK_EXCEPTION = FRV_EC_NOT_EXECUTED,
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FRV_EC_RESET = FRV_EC_NOT_EXECUTED
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};
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/* FR-V Interrupt.
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This struct contains enough information to describe a particular interrupt
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occurance. */
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struct frv_interrupt
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{
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enum frv_interrupt_kind kind;
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enum frv_ec ec;
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enum frv_interrupt_class iclass;
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unsigned char deferred;
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unsigned char precise;
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unsigned char handler_offset;
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};
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/* FR-V Interrupt table.
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Describes the interrupts supported by the FR-V. */
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extern struct frv_interrupt frv_interrupt_table[];
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/* FR-V Interrupt State.
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Interrupts are queued during execution of parallel insns and the interupt(s)
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to be handled determined by analysing the queue after each VLIW insn. */
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#define FRV_INTERRUPT_QUEUE_SIZE (4 * 4) /* 4 interrupts x 4 insns for now. */
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/* register_exception codes */
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enum frv_rec
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{
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FRV_REC_UNIMPLEMENTED = 0,
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FRV_REC_UNALIGNED = 1
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};
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/* instruction_access_exception codes */
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enum frv_iaec
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{
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FRV_IAEC_PROTECT_VIOLATION = 1
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};
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/* data_access_exception codes */
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enum frv_daec
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{
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FRV_DAEC_PROTECT_VIOLATION = 1
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};
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/* division_exception ISR codes */
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enum frv_dtt
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{
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FRV_DTT_NO_EXCEPTION = 0,
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FRV_DTT_DIVISION_BY_ZERO = 1,
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FRV_DTT_OVERFLOW = 2,
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FRV_DTT_BOTH = 3
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};
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/* data written during an insn causing an interrupt */
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struct frv_data_written
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{
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USI words[4]; /* Actual data in words */
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int length; /* length of data written */
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};
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/* fp_exception info */
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/* Trap codes for FSR0 and FQ registers. */
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enum frv_fsr_traps
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{
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FSR_INVALID_OPERATION = 0x20,
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FSR_OVERFLOW = 0x10,
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FSR_UNDERFLOW = 0x08,
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FSR_DIVISION_BY_ZERO = 0x04,
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FSR_INEXACT = 0x02,
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FSR_DENORMAL_INPUT = 0x01,
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FSR_NO_EXCEPTION = 0
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};
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/* Floating point trap types for FSR. */
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enum frv_fsr_ftt
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{
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FTT_NONE = 0,
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FTT_IEEE_754_EXCEPTION = 1,
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FTT_UNIMPLEMENTED_FPOP = 3,
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FTT_SEQUENCE_ERROR = 4,
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FTT_INVALID_FR = 6,
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FTT_DENORMAL_INPUT = 7
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};
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struct frv_fp_exception_info
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{
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enum frv_fsr_traps fsr_mask; /* interrupt code for FSR */
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enum frv_fsr_ftt ftt; /* floating point trap type */
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};
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struct frv_interrupt_queue_element
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{
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enum frv_interrupt_kind kind; /* kind of interrupt */
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IADDR vpc; /* address of insn causing interrupt */
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int slot; /* VLIW slot containing the insn. */
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USI eaddress; /* address of data access */
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union {
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enum frv_rec rec; /* register exception code */
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enum frv_iaec iaec; /* insn access exception code */
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enum frv_daec daec; /* data access exception code */
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enum frv_dtt dtt; /* division exception code */
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struct frv_fp_exception_info fp_info;
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struct frv_data_written data_written;
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} u;
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};
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struct frv_interrupt_timer
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{
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int enabled;
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unsigned value;
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unsigned current;
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enum frv_interrupt_kind interrupt;
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};
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struct frv_interrupt_state
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{
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/* The interrupt queue */
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struct frv_interrupt_queue_element queue[FRV_INTERRUPT_QUEUE_SIZE];
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int queue_index;
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/* interrupt queue element causing imprecise interrupt. */
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struct frv_interrupt_queue_element *imprecise_interrupt;
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/* interrupt timer. */
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struct frv_interrupt_timer timer;
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/* The last data written stored as an array of words. */
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struct frv_data_written data_written;
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/* The vliw slot of the insn causing the interrupt. */
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int slot;
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/* target register index for non excepting insns. */
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#define NE_NOFLAG (-1)
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int ne_index;
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/* Accumulated NE flags for non excepting floating point insns. */
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SI f_ne_flags[2];
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};
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extern struct frv_interrupt_state frv_interrupt_state;
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/* Macros to manipulate the PSR. */
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#define GET_PSR() GET_H_SPR (H_SPR_PSR)
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#define SET_PSR_ET(psr, et) ( \
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(psr) = ((psr) & ~0x1) | ((et) & 0x1) \
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)
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#define GET_PSR_PS(psr) (((psr) >> 1) & 1)
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#define SET_PSR_S(psr, s) ( \
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||
(psr) = ((psr) & ~(0x1 << 2)) | (((s) & 0x1) << 2) \
|
||
)
|
||
|
||
/* Macros to handle the ISR register. */
|
||
#define GET_ISR() GET_H_SPR (H_SPR_ISR)
|
||
#define SET_ISR(isr) SET_H_SPR (H_SPR_ISR, (isr))
|
||
|
||
#define GET_ISR_EDE(isr) (((isr) >> 5) & 1)
|
||
|
||
#define GET_ISR_DTT(isr) (((isr) >> 3) & 3)
|
||
#define SET_ISR_DTT(isr, dtt) ( \
|
||
(isr) = ((isr) & ~(0x3 << 3)) | (((dtt) & 0x3) << 3) \
|
||
)
|
||
|
||
#define SET_ISR_AEXC(isr) ((isr) |= (1 << 2))
|
||
|
||
#define GET_ISR_EMAM(isr) ((isr) & 1)
|
||
|
||
/* Macros to handle exception status registers.
|
||
Get and set the hardware directly, since we may be getting/setting fields
|
||
which are not accessible to the user. */
|
||
#define GET_ESR(index) \
|
||
(CPU (h_spr[H_SPR_ESR0 + (index)]))
|
||
#define SET_ESR(index, esr) \
|
||
(CPU (h_spr[H_SPR_ESR0 + (index)]) = (esr))
|
||
|
||
#define SET_ESR_VALID(esr) ((esr) |= 1)
|
||
#define CLEAR_ESR_VALID(esr) ((esr) &= ~1)
|
||
|
||
#define SET_ESR_EC(esr, ec) ( \
|
||
(esr) = ((esr) & ~(0x1f << 1)) | (((ec) & 0x1f) << 1) \
|
||
)
|
||
|
||
#define SET_ESR_REC(esr, rec) ( \
|
||
(esr) = ((esr) & ~(0x3 << 6)) | (((rec) & 0x3) << 6) \
|
||
)
|
||
|
||
#define SET_ESR_IAEC(esr, iaec) ( \
|
||
(esr) = ((esr) & ~(0x1 << 8)) | (((iaec) & 0x1) << 8) \
|
||
)
|
||
|
||
#define SET_ESR_DAEC(esr, daec) ( \
|
||
(esr) = ((esr) & ~(0x1 << 9)) | (((daec) & 0x1) << 9) \
|
||
)
|
||
|
||
#define SET_ESR_EAV(esr) ((esr) |= (1 << 11))
|
||
#define CLEAR_ESR_EAV(esr) ((esr) &= ~(1 << 11))
|
||
|
||
#define GET_ESR_EDV(esr) (((esr) >> 12) & 1)
|
||
#define SET_ESR_EDV(esr) ((esr) |= (1 << 12))
|
||
#define CLEAR_ESR_EDV(esr) ((esr) &= ~(1 << 12))
|
||
|
||
#define GET_ESR_EDN(esr) ( \
|
||
((esr) >> 13) & 0xf \
|
||
)
|
||
#define SET_ESR_EDN(esr, edn) ( \
|
||
(esr) = ((esr) & ~(0xf << 13)) | (((edn) & 0xf) << 13) \
|
||
)
|
||
|
||
#define SET_EPCR(index, address) \
|
||
(CPU (h_spr[H_SPR_EPCR0 + (index)]) = (address))
|
||
|
||
#define SET_EAR(index, address) \
|
||
(CPU (h_spr[H_SPR_EAR0 + (index)]) = (address))
|
||
|
||
#define SET_EDR(index, edr) \
|
||
(CPU (h_spr[H_SPR_EDR0 + (index)]) = (edr))
|
||
|
||
#define GET_ESFR(index) \
|
||
(CPU (h_spr[H_SPR_ESFR0 + (index)]))
|
||
#define SET_ESFR(index, esfr) \
|
||
(CPU (h_spr[H_SPR_ESFR0 + (index)]) = (esfr))
|
||
|
||
#define GET_ESFR_FLAG(findex) ( \
|
||
(findex) > 31 ? \
|
||
((CPU (h_spr[H_SPR_ESFR0]) >> ((findex)-32)) & 1) \
|
||
: \
|
||
((CPU (h_spr[H_SPR_ESFR1]) >> (findex)) & 1) \
|
||
)
|
||
#define SET_ESFR_FLAG(findex) ( \
|
||
(findex) > 31 ? \
|
||
(CPU (h_spr[H_SPR_ESFR0]) = \
|
||
(CPU (h_spr[H_SPR_ESFR0]) | (1 << ((findex)-32))) \
|
||
) : \
|
||
(CPU (h_spr[H_SPR_ESFR1]) = \
|
||
(CPU (h_spr[H_SPR_ESFR1]) | (1 << (findex))) \
|
||
) \
|
||
)
|
||
|
||
/* The FSR registers.
|
||
Get and set the hardware directly, since we may be getting/setting fields
|
||
which are not accessible to the user. */
|
||
#define GET_FSR(index) \
|
||
(CPU (h_spr[H_SPR_FSR0 + (index)]))
|
||
#define SET_FSR(index, fsr) \
|
||
(CPU (h_spr[H_SPR_FSR0 + (index)]) = (fsr))
|
||
|
||
#define GET_FSR_TEM(fsr) ( \
|
||
((fsr) >> 24) & 0x3f \
|
||
)
|
||
|
||
#define SET_FSR_QNE(fsr) ((fsr) |= (1 << 20))
|
||
#define GET_FSR_QNE(fsr) (((fsr) >> 20) & 1)
|
||
|
||
#define SET_FSR_FTT(fsr, ftt) ( \
|
||
(fsr) = ((fsr) & ~(0x7 << 17)) | (((ftt) & 0x7) << 17) \
|
||
)
|
||
|
||
#define GET_FSR_AEXC(fsr) ( \
|
||
((fsr) >> 10) & 0x3f \
|
||
)
|
||
#define SET_FSR_AEXC(fsr, aexc) ( \
|
||
(fsr) = ((fsr) & ~(0x3f << 10)) | (((aexc) & 0x3f) << 10) \
|
||
)
|
||
|
||
/* SIMD instruction exception codes for FQ. */
|
||
enum frv_sie
|
||
{
|
||
SIE_NIL = 0,
|
||
SIE_FRi = 1,
|
||
SIE_FRi_1 = 2
|
||
};
|
||
|
||
/* MIV field of FQ. */
|
||
enum frv_miv
|
||
{
|
||
MIV_FLOAT = 0,
|
||
MIV_MEDIA = 1
|
||
};
|
||
|
||
/* The FQ registers are 64 bits wide and are implemented as 32 bit pairs. The
|
||
index here refers to the low order 32 bit element.
|
||
Get and set the hardware directly, since we may be getting/setting fields
|
||
which are not accessible to the user. */
|
||
#define GET_FQ(index) \
|
||
(CPU (h_spr[H_SPR_FQST0 + 2 * (index)]))
|
||
#define SET_FQ(index, fq) \
|
||
(CPU (h_spr[H_SPR_FQST0 + 2 * (index)]) = (fq))
|
||
|
||
#define SET_FQ_MIV(fq, miv) ( \
|
||
(fq) = ((fq) & ~(0x1 << 31)) | (((miv) & 0x1) << 31) \
|
||
)
|
||
|
||
#define SET_FQ_SIE(fq, sie) ( \
|
||
(fq) = ((fq) & ~(0x3 << 15)) | (((sie) & 0x3) << 15) \
|
||
)
|
||
|
||
#define SET_FQ_FTT(fq, ftt) ( \
|
||
(fq) = ((fq) & ~(0x7 << 7)) | (((ftt) & 0x7) << 7) \
|
||
)
|
||
|
||
#define SET_FQ_CEXC(fq, cexc) ( \
|
||
(fq) = ((fq) & ~(0x3f << 1)) | (((cexc) & 0x3f) << 1) \
|
||
)
|
||
|
||
#define GET_FQ_VALID(fq) ((fq) & 1)
|
||
#define SET_FQ_VALID(fq) ((fq) |= 1)
|
||
|
||
#define SET_FQ_OPC(index, insn) \
|
||
(CPU (h_spr[H_SPR_FQOP0 + 2 * (index)]) = (insn))
|
||
|
||
/* mp_exception support. */
|
||
/* Media trap types for MSR. */
|
||
enum frv_msr_mtt
|
||
{
|
||
MTT_NONE = 0,
|
||
MTT_OVERFLOW = 1,
|
||
MTT_ACC_NOT_ALIGNED = 2,
|
||
MTT_ACC_NOT_IMPLEMENTED = 2, /* Yes -- same value as MTT_ACC_NOT_ALIGNED. */
|
||
MTT_CR_NOT_ALIGNED = 3,
|
||
MTT_UNIMPLEMENTED_MPOP = 5,
|
||
MTT_INVALID_FR = 6
|
||
};
|
||
|
||
/* Media status registers.
|
||
Get and set the hardware directly, since we may be getting/setting fields
|
||
which are not accessible to the user. */
|
||
#define GET_MSR(index) \
|
||
(CPU (h_spr[H_SPR_MSR0 + (index)]))
|
||
#define SET_MSR(index, msr) \
|
||
(CPU (h_spr[H_SPR_MSR0 + (index)]) = (msr))
|
||
|
||
#define GET_MSR_AOVF(msr) ((msr) & 1)
|
||
#define SET_MSR_AOVF(msr) ((msr) |= 1)
|
||
|
||
#define GET_MSR_OVF(msr) ( \
|
||
((msr) >> 1) & 0x1 \
|
||
)
|
||
#define SET_MSR_OVF(msr) ( \
|
||
(msr) |= (1 << 1) \
|
||
)
|
||
#define CLEAR_MSR_OVF(msr) ( \
|
||
(msr) &= ~(1 << 1) \
|
||
)
|
||
|
||
#define OR_MSR_SIE(msr, sie) ( \
|
||
(msr) |= (((sie) & 0xf) << 2) \
|
||
)
|
||
#define CLEAR_MSR_SIE(msr) ( \
|
||
(msr) &= ~(0xf << 2) \
|
||
)
|
||
|
||
#define GET_MSR_MTT(msr) ( \
|
||
((msr) >> 12) & 0x7 \
|
||
)
|
||
#define SET_MSR_MTT(msr, mtt) ( \
|
||
(msr) = ((msr) & ~(0x7 << 12)) | (((mtt) & 0x7) << 12) \
|
||
)
|
||
#define GET_MSR_EMCI(msr) ( \
|
||
((msr) >> 24) & 0x1 \
|
||
)
|
||
#define GET_MSR_MPEM(msr) ( \
|
||
((msr) >> 27) & 0x1 \
|
||
)
|
||
#define GET_MSR_SRDAV(msr) ( \
|
||
((msr) >> 28) & 0x1 \
|
||
)
|
||
#define GET_MSR_RDAV(msr) ( \
|
||
((msr) >> 29) & 0x1 \
|
||
)
|
||
#define GET_MSR_RD(msr) ( \
|
||
((msr) >> 30) & 0x3 \
|
||
)
|
||
|
||
void frvbf_media_register_not_aligned (SIM_CPU *);
|
||
void frvbf_media_acc_not_aligned (SIM_CPU *);
|
||
void frvbf_media_cr_not_aligned (SIM_CPU *);
|
||
void frvbf_media_overflow (SIM_CPU *, int);
|
||
SI frvbf_media_average (SIM_CPU *, SI, SI);
|
||
|
||
/* Functions for queuing and processing interrupts. */
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_break_interrupt (SIM_CPU *);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_software_interrupt (SIM_CPU *, SI);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_program_interrupt (SIM_CPU *, enum frv_interrupt_kind);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_external_interrupt (SIM_CPU *, enum frv_interrupt_kind);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_illegal_instruction_interrupt (SIM_CPU *, const CGEN_INSN *);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_privileged_instruction_interrupt (SIM_CPU *, const CGEN_INSN *);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_float_disabled_interrupt (SIM_CPU *);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_media_disabled_interrupt (SIM_CPU *);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_non_implemented_instruction_interrupt (SIM_CPU *, const CGEN_INSN *);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_register_exception_interrupt (SIM_CPU *, enum frv_rec);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_mem_address_not_aligned_interrupt (SIM_CPU *, USI);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_data_access_error_interrupt (SIM_CPU *, USI);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_data_access_exception_interrupt (SIM_CPU *);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_instruction_access_error_interrupt (SIM_CPU *);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_instruction_access_exception_interrupt (SIM_CPU *);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_fp_exception_interrupt (SIM_CPU *, struct frv_fp_exception_info *);
|
||
|
||
enum frv_dtt frvbf_division_exception (SIM_CPU *, enum frv_dtt, int, int);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_division_exception_interrupt (SIM_CPU *, enum frv_dtt);
|
||
|
||
struct frv_interrupt_queue_element *
|
||
frv_queue_interrupt (SIM_CPU *, enum frv_interrupt_kind);
|
||
|
||
void
|
||
frv_set_interrupt_queue_slot (SIM_CPU *, struct frv_interrupt_queue_element *);
|
||
|
||
void frv_set_mp_exception_registers (SIM_CPU *, enum frv_msr_mtt, int);
|
||
void frv_detect_insn_access_interrupts (SIM_CPU *, SCACHE *);
|
||
|
||
void frv_process_interrupts (SIM_CPU *);
|
||
|
||
void frv_break_interrupt (SIM_CPU *, struct frv_interrupt *, IADDR);
|
||
void frv_non_operating_interrupt (SIM_CPU *, enum frv_interrupt_kind, IADDR);
|
||
void frv_program_interrupt (
|
||
SIM_CPU *, struct frv_interrupt_queue_element *, IADDR
|
||
);
|
||
void frv_software_interrupt (
|
||
SIM_CPU *, struct frv_interrupt_queue_element *, IADDR
|
||
);
|
||
void frv_external_interrupt (
|
||
SIM_CPU *, struct frv_interrupt_queue_element *, IADDR
|
||
);
|
||
void frv_program_or_software_interrupt (
|
||
SIM_CPU *, struct frv_interrupt *, IADDR
|
||
);
|
||
void frv_clear_interrupt_classes (
|
||
enum frv_interrupt_class, enum frv_interrupt_class
|
||
);
|
||
|
||
void
|
||
frv_save_data_written_for_interrupts (SIM_CPU *, CGEN_WRITE_QUEUE_ELEMENT *);
|
||
|
||
/* Special purpose traps. */
|
||
#define TRAP_SYSCALL 0x80
|
||
#define TRAP_BREAKPOINT 0x81
|
||
#define TRAP_REGDUMP1 0x82
|
||
#define TRAP_REGDUMP2 0x83
|
||
|
||
/* Handle the trap insns */
|
||
void frv_itrap (SIM_CPU *, PCADDR, USI, int);
|
||
void frv_mtrap (SIM_CPU *);
|
||
/* Handle the break insn. */
|
||
void frv_break (SIM_CPU *);
|
||
/* Handle the rett insn. */
|
||
USI frv_rett (SIM_CPU *current_cpu, PCADDR pc, BI debug_field);
|
||
|
||
/* Parallel write queue flags. */
|
||
#define FRV_WRITE_QUEUE_FORCE_WRITE 1
|
||
|
||
#define CGEN_WRITE_QUEUE_ELEMENT_PIPE(element) CGEN_WRITE_QUEUE_ELEMENT_WORD1 (element)
|
||
|
||
/* Functions and macros for handling non-excepting instruction side effects.
|
||
Get and set the hardware directly, since we may be getting/setting fields
|
||
which are not accessible to the user. */
|
||
#define GET_NECR() (GET_H_SPR (H_SPR_NECR))
|
||
#define GET_NECR_ELOS(necr) (((necr) >> 6) & 1)
|
||
#define GET_NECR_NEN(necr) (((necr) >> 1) & 0x1f)
|
||
#define GET_NECR_VALID(necr) (((necr) ) & 1)
|
||
|
||
#define NO_NESR (-1)
|
||
/* NESR field values. See Tables 30-33 in section 4.4.2.1 of the FRV
|
||
Architecture volume 1. */
|
||
#define NESR_MEM_ADDRESS_NOT_ALIGNED 0x0b
|
||
#define NESR_REGISTER_NOT_ALIGNED 0x1
|
||
#define NESR_UQI_SIZE 0
|
||
#define NESR_QI_SIZE 1
|
||
#define NESR_UHI_SIZE 2
|
||
#define NESR_HI_SIZE 3
|
||
#define NESR_SI_SIZE 4
|
||
#define NESR_DI_SIZE 5
|
||
#define NESR_XI_SIZE 6
|
||
|
||
#define GET_NESR(index) GET_H_SPR (H_SPR_NESR0 + (index))
|
||
#define SET_NESR(index, value) ( \
|
||
sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, \
|
||
H_SPR_NESR0 + (index), (value)), \
|
||
frvbf_force_update (current_cpu) \
|
||
)
|
||
#define GET_NESR_VALID(nesr) ((nesr) & 1)
|
||
#define SET_NESR_VALID(nesr) ((nesr) |= 1)
|
||
|
||
#define SET_NESR_EAV(nesr) ((nesr) |= (1 << 31))
|
||
|
||
#define GET_NESR_FR(nesr) (((nesr) >> 30) & 1)
|
||
#define SET_NESR_FR(nesr) ((nesr) |= (1 << 30))
|
||
#define CLEAR_NESR_FR(nesr) ((nesr) &= ~(1 << 30))
|
||
|
||
#define GET_NESR_DRN(nesr) (((nesr) >> 24) & 0x3f)
|
||
#define SET_NESR_DRN(nesr, drn) ( \
|
||
(nesr) = ((nesr) & ~(0x3f << 24)) | (((drn) & 0x3f) << 24) \
|
||
)
|
||
|
||
#define SET_NESR_SIZE(nesr, data_size) ( \
|
||
(nesr) = ((nesr) & ~(0x7 << 21)) | (((data_size) & 0x7) << 21) \
|
||
)
|
||
|
||
#define SET_NESR_NEAN(nesr, index) ( \
|
||
(nesr) = ((nesr) & ~(0x1f << 10)) | (((index) & 0x1f) << 10) \
|
||
)
|
||
|
||
#define GET_NESR_DAEC(nesr) (((nesr) >> 9) & 1)
|
||
#define SET_NESR_DAEC(nesr, daec) ( \
|
||
(nesr) = ((nesr) & ~(1 << 9)) | (((daec) & 1) << 9) \
|
||
)
|
||
|
||
#define GET_NESR_REC(nesr) (((nesr) >> 6) & 3)
|
||
#define SET_NESR_REC(nesr, rec) ( \
|
||
(nesr) = ((nesr) & ~(3 << 6)) | (((rec) & 3) << 6) \
|
||
)
|
||
|
||
#define GET_NESR_EC(nesr) (((nesr) >> 1) & 0x1f)
|
||
#define SET_NESR_EC(nesr, ec) ( \
|
||
(nesr) = ((nesr) & ~(0x1f << 1)) | (((ec) & 0x1f) << 1) \
|
||
)
|
||
|
||
#define SET_NEEAR(index, address) ( \
|
||
sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, \
|
||
H_SPR_NEEAR0 + (index), (address)), \
|
||
frvbf_force_update (current_cpu) \
|
||
)
|
||
|
||
#define GET_NE_FLAGS(flags, NE_base) ( \
|
||
(flags)[0] = GET_H_SPR ((NE_base)), \
|
||
(flags)[1] = GET_H_SPR ((NE_base) + 1) \
|
||
)
|
||
#define SET_NE_FLAGS(NE_base, flags) ( \
|
||
sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, (NE_base), \
|
||
(flags)[0]), \
|
||
frvbf_force_update (current_cpu), \
|
||
sim_queue_fn_si_write (current_cpu, frvbf_h_spr_set, (NE_base) + 1, \
|
||
(flags)[1]), \
|
||
frvbf_force_update (current_cpu) \
|
||
)
|
||
|
||
#define GET_NE_FLAG(flags, index) ( \
|
||
(index) > 31 ? \
|
||
((flags[0] >> ((index) - 32)) & 1) \
|
||
: \
|
||
((flags[1] >> (index)) & 1) \
|
||
)
|
||
#define SET_NE_FLAG(flags, index) ( \
|
||
(index) > 31 ? \
|
||
((flags)[0] |= (1 << ((index) - 32))) \
|
||
: \
|
||
((flags)[1] |= (1 << (index))) \
|
||
)
|
||
#define CLEAR_NE_FLAG(flags, index) ( \
|
||
(index) > 31 ? \
|
||
((flags)[0] &= ~(1 << ((index) - 32))) \
|
||
: \
|
||
((flags)[1] &= ~(1 << (index))) \
|
||
)
|
||
|
||
BI frvbf_check_non_excepting_load (SIM_CPU *, SI, SI, SI, SI, QI, BI);
|
||
void frvbf_check_recovering_store (SIM_CPU *, PCADDR, SI, int, int);
|
||
SI frvbf_check_acc_range (SIM_CPU *, SI);
|
||
void frvbf_check_swap_address (SIM_CPU *, SI);
|
||
|
||
void frvbf_clear_ne_flags (SIM_CPU *, SI, BI);
|
||
void frvbf_commit (SIM_CPU *, SI, BI);
|
||
|
||
void frvbf_fpu_error (CGEN_FPU *, int);
|
||
|
||
void frv_vliw_setup_insn (SIM_CPU *, const CGEN_INSN *);
|
||
|
||
extern int insns_in_slot[];
|
||
|
||
#define COUNT_INSNS_IN_SLOT(slot) \
|
||
{ \
|
||
if (WITH_PROFILE_MODEL_P) \
|
||
++insns_in_slot[slot]; \
|
||
}
|
||
|
||
#define INSNS_IN_SLOT(slot) (insns_in_slot[slot])
|
||
|
||
/* Multiple loads and stores. */
|
||
void frvbf_load_quad_GR (SIM_CPU *, PCADDR, SI, SI);
|
||
void frvbf_load_quad_FRint (SIM_CPU *, PCADDR, SI, SI);
|
||
void frvbf_load_quad_CPR (SIM_CPU *, PCADDR, SI, SI);
|
||
void frvbf_store_quad_GR (SIM_CPU *, PCADDR, SI, SI);
|
||
void frvbf_store_quad_FRint (SIM_CPU *, PCADDR, SI, SI);
|
||
void frvbf_store_quad_CPR (SIM_CPU *, PCADDR, SI, SI);
|
||
|
||
/* Memory and cache support. */
|
||
QI frvbf_read_mem_QI (SIM_CPU *, IADDR, SI);
|
||
UQI frvbf_read_mem_UQI (SIM_CPU *, IADDR, SI);
|
||
HI frvbf_read_mem_HI (SIM_CPU *, IADDR, SI);
|
||
UHI frvbf_read_mem_UHI (SIM_CPU *, IADDR, SI);
|
||
SI frvbf_read_mem_SI (SIM_CPU *, IADDR, SI);
|
||
SI frvbf_read_mem_WI (SIM_CPU *, IADDR, SI);
|
||
DI frvbf_read_mem_DI (SIM_CPU *, IADDR, SI);
|
||
DF frvbf_read_mem_DF (SIM_CPU *, IADDR, SI);
|
||
|
||
USI frvbf_read_imem_USI (SIM_CPU *, PCADDR);
|
||
|
||
void frvbf_write_mem_QI (SIM_CPU *, IADDR, SI, QI);
|
||
void frvbf_write_mem_UQI (SIM_CPU *, IADDR, SI, UQI);
|
||
void frvbf_write_mem_HI (SIM_CPU *, IADDR, SI, HI);
|
||
void frvbf_write_mem_UHI (SIM_CPU *, IADDR, SI, UHI);
|
||
void frvbf_write_mem_SI (SIM_CPU *, IADDR, SI, SI);
|
||
void frvbf_write_mem_WI (SIM_CPU *, IADDR, SI, SI);
|
||
void frvbf_write_mem_DI (SIM_CPU *, IADDR, SI, DI);
|
||
void frvbf_write_mem_DF (SIM_CPU *, IADDR, SI, DF);
|
||
|
||
void frvbf_mem_set_QI (SIM_CPU *, IADDR, SI, QI);
|
||
void frvbf_mem_set_HI (SIM_CPU *, IADDR, SI, HI);
|
||
void frvbf_mem_set_SI (SIM_CPU *, IADDR, SI, SI);
|
||
void frvbf_mem_set_DI (SIM_CPU *, IADDR, SI, DI);
|
||
void frvbf_mem_set_DF (SIM_CPU *, IADDR, SI, DF);
|
||
void frvbf_mem_set_XI (SIM_CPU *, IADDR, SI, SI *);
|
||
|
||
void frv_set_write_queue_slot (SIM_CPU *current_cpu);
|
||
|
||
/* FRV specific options. */
|
||
extern const OPTION frv_options[];
|
||
|
||
#endif /* FRV_SIM_H */
|