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/* Blackfin Core Event Controller (CEC) model.
Copyright (C) 2010-2024 Free Software Foundation, Inc.
Contributed by Analog Devices, Inc.
This file is part of simulators.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef DV_BFIN_CEC_H
#define DV_BFIN_CEC_H
#include "sim-main.h"
/* 0xFFE02100 ... 0xFFE02110 */
#define BFIN_COREMMR_EVT_OVERRIDE (BFIN_COREMMR_CEC_BASE + (4 * 0))
#define BFIN_COREMMR_IMASK (BFIN_COREMMR_CEC_BASE + (4 * 1))
#define BFIN_COREMMR_IPEND (BFIN_COREMMR_CEC_BASE + (4 * 2))
#define BFIN_COREMMR_ILAT (BFIN_COREMMR_CEC_BASE + (4 * 3))
#define BFIN_COREMMR_IPRIO (BFIN_COREMMR_CEC_BASE + (4 * 4))
#define IVG_EMU 0
#define IVG_RST 1
#define IVG_NMI 2
#define IVG_EVX 3
#define IVG_IRPTEN 4 /* Global is Reserved */
#define IVG_IVHW 5
#define IVG_IVTMR 6
#define IVG7 7
#define IVG8 8
#define IVG9 9
#define IVG10 10
#define IVG11 11
#define IVG12 12
#define IVG13 13
#define IVG14 14
#define IVG15 15
#define IVG_USER 16 /* Not real; for internal use */
#define IVG_EMU_B (1 << IVG_EMU)
#define IVG_RST_B (1 << IVG_RST)
#define IVG_NMI_B (1 << IVG_NMI)
#define IVG_EVX_B (1 << IVG_EVX)
#define IVG_IRPTEN_B (1 << IVG_IRPTEN)
#define IVG_IVHW_B (1 << IVG_IVHW)
#define IVG_IVTMR_B (1 << IVG_IVTMR)
#define IVG7_B (1 << IVG7)
#define IVG8_B (1 << IVG8)
#define IVG9_B (1 << IVG9)
#define IVG10_B (1 << IVG10)
#define IVG11_B (1 << IVG11)
#define IVG12_B (1 << IVG12)
#define IVG13_B (1 << IVG13)
#define IVG14_B (1 << IVG14)
#define IVG15_B (1 << IVG15)
#define IVG_UNMASKABLE_B \
(IVG_EMU_B | IVG_RST_B | IVG_NMI_B | IVG_EVX_B | IVG_IRPTEN_B)
#define IVG_MASKABLE_B \
(IVG_IVHW_B | IVG_IVTMR_B | IVG7_B | IVG8_B | IVG9_B | \
IVG10_B | IVG11_B | IVG12_B | IVG13_B | IVG14_B | IVG15_B)
#define VEC_SYS 0x0
#define VEC_EXCPT01 0x1
#define VEC_EXCPT02 0x2
#define VEC_EXCPT03 0x3
#define VEC_EXCPT04 0x4
#define VEC_EXCPT05 0x5
#define VEC_EXCPT06 0x6
#define VEC_EXCPT07 0x7
#define VEC_EXCPT08 0x8
#define VEC_EXCPT09 0x9
#define VEC_EXCPT10 0xa
#define VEC_EXCPT11 0xb
#define VEC_EXCPT12 0xc
#define VEC_EXCPT13 0xd
#define VEC_EXCPT14 0xe
#define VEC_EXCPT15 0xf
#define VEC_STEP 0x10 /* single step */
#define VEC_OVFLOW 0x11 /* trace buffer overflow */
#define VEC_UNDEF_I 0x21 /* undefined instruction */
#define VEC_ILGAL_I 0x22 /* illegal instruction combo (multi-issue) */
#define VEC_CPLB_VL 0x23 /* DCPLB protection violation */
#define VEC_MISALI_D 0x24 /* unaligned data access */
#define VEC_UNCOV 0x25 /* unrecoverable event (double fault) */
#define VEC_CPLB_M 0x26 /* DCPLB miss */
#define VEC_CPLB_MHIT 0x27 /* multiple DCPLB hit */
#define VEC_WATCH 0x28 /* watchpoint match */
#define VEC_ISTRU_VL 0x29 /* ADSP-BF535 only */
#define VEC_MISALI_I 0x2a /* unaligned instruction access */
#define VEC_CPLB_I_VL 0x2b /* ICPLB protection violation */
#define VEC_CPLB_I_M 0x2c /* ICPLB miss */
#define VEC_CPLB_I_MHIT 0x2d /* multiple ICPLB hit */
#define VEC_ILL_RES 0x2e /* illegal supervisor resource */
/*
* The hardware reserves 63+ for future use - we use it to tell our
* normal exception handling code we have a hardware error
*/
#define VEC_HWERR 63
#define VEC_SIM_BASE 64
#define VEC_SIM_HLT (VEC_SIM_BASE + 1)
#define VEC_SIM_ABORT (VEC_SIM_BASE + 2)
#define VEC_SIM_TRAP (VEC_SIM_BASE + 3)
#define VEC_SIM_DBGA (VEC_SIM_BASE + 4)
extern void cec_exception (SIM_CPU *, int vec_excp);
#define HWERR_SYSTEM_MMR 0x02
#define HWERR_EXTERN_ADDR 0x03
#define HWERR_PERF_FLOW 0x12
#define HWERR_RAISE_5 0x18
extern void cec_hwerr (SIM_CPU *, int hwerr);
extern void cec_latch (SIM_CPU *, int ivg);
extern void cec_return (SIM_CPU *, int ivg);
extern int cec_get_ivg (SIM_CPU *);
extern bool cec_is_supervisor_mode (SIM_CPU *);
extern bool cec_is_user_mode (SIM_CPU *);
extern void cec_require_supervisor (SIM_CPU *);
extern bu32 cec_cli (SIM_CPU *);
extern void cec_sti (SIM_CPU *, bu32 ints);
extern void cec_push_reti (SIM_CPU *);
extern void cec_pop_reti (SIM_CPU *);
#endif
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