sim/bfin/dv-bfin_cec.h

   1 /* Blackfin Core Event Controller (CEC) model.
   2
   3    Copyright (C) 2010-2024 Free Software Foundation, Inc.
   4    Contributed by Analog Devices, Inc.
   5
   6    This file is part of simulators.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef DV_BFIN_CEC_H
  22 #define DV_BFIN_CEC_H
  23
  24 #include "sim-main.h"
  25
  26 /* 0xFFE02100 ... 0xFFE02110 */
  27 #define BFIN_COREMMR_EVT_OVERRIDE       (BFIN_COREMMR_CEC_BASE + (4 * 0))
  28 #define BFIN_COREMMR_IMASK              (BFIN_COREMMR_CEC_BASE + (4 * 1))
  29 #define BFIN_COREMMR_IPEND              (BFIN_COREMMR_CEC_BASE + (4 * 2))
  30 #define BFIN_COREMMR_ILAT               (BFIN_COREMMR_CEC_BASE + (4 * 3))
  31 #define BFIN_COREMMR_IPRIO              (BFIN_COREMMR_CEC_BASE + (4 * 4))
  32
  33 #define IVG_EMU         0
  34 #define IVG_RST         1
  35 #define IVG_NMI         2
  36 #define IVG_EVX         3
  37 #define IVG_IRPTEN      4       /* Global is Reserved */
  38 #define IVG_IVHW        5
  39 #define IVG_IVTMR       6
  40 #define IVG7            7
  41 #define IVG8            8
  42 #define IVG9            9
  43 #define IVG10           10
  44 #define IVG11           11
  45 #define IVG12           12
  46 #define IVG13           13
  47 #define IVG14           14
  48 #define IVG15           15
  49 #define IVG_USER        16      /* Not real; for internal use */
  50
  51 #define IVG_EMU_B       (1 << IVG_EMU)
  52 #define IVG_RST_B       (1 << IVG_RST)
  53 #define IVG_NMI_B       (1 << IVG_NMI)
  54 #define IVG_EVX_B       (1 << IVG_EVX)
  55 #define IVG_IRPTEN_B    (1 << IVG_IRPTEN)
  56 #define IVG_IVHW_B      (1 << IVG_IVHW)
  57 #define IVG_IVTMR_B     (1 << IVG_IVTMR)
  58 #define IVG7_B          (1 << IVG7)
  59 #define IVG8_B          (1 << IVG8)
  60 #define IVG9_B          (1 << IVG9)
  61 #define IVG10_B         (1 << IVG10)
  62 #define IVG11_B         (1 << IVG11)
  63 #define IVG12_B         (1 << IVG12)
  64 #define IVG13_B         (1 << IVG13)
  65 #define IVG14_B         (1 << IVG14)
  66 #define IVG15_B         (1 << IVG15)
  67 #define IVG_UNMASKABLE_B \
  68         (IVG_EMU_B | IVG_RST_B | IVG_NMI_B | IVG_EVX_B | IVG_IRPTEN_B)
  69 #define IVG_MASKABLE_B \
  70         (IVG_IVHW_B | IVG_IVTMR_B | IVG7_B | IVG8_B | IVG9_B | \
  71          IVG10_B | IVG11_B | IVG12_B | IVG13_B | IVG14_B | IVG15_B)
  72
  73 #define VEC_SYS         0x0
  74 #define VEC_EXCPT01     0x1
  75 #define VEC_EXCPT02     0x2
  76 #define VEC_EXCPT03     0x3
  77 #define VEC_EXCPT04     0x4
  78 #define VEC_EXCPT05     0x5
  79 #define VEC_EXCPT06     0x6
  80 #define VEC_EXCPT07     0x7
  81 #define VEC_EXCPT08     0x8
  82 #define VEC_EXCPT09     0x9
  83 #define VEC_EXCPT10     0xa
  84 #define VEC_EXCPT11     0xb
  85 #define VEC_EXCPT12     0xc
  86 #define VEC_EXCPT13     0xd
  87 #define VEC_EXCPT14     0xe
  88 #define VEC_EXCPT15     0xf
  89 #define VEC_STEP        0x10    /* single step */
  90 #define VEC_OVFLOW      0x11    /* trace buffer overflow */
  91 #define VEC_UNDEF_I     0x21    /* undefined instruction */
  92 #define VEC_ILGAL_I     0x22    /* illegal instruction combo (multi-issue) */
  93 #define VEC_CPLB_VL     0x23    /* DCPLB protection violation */
  94 #define VEC_MISALI_D    0x24    /* unaligned data access */
  95 #define VEC_UNCOV       0x25    /* unrecoverable event (double fault) */
  96 #define VEC_CPLB_M      0x26    /* DCPLB miss */
  97 #define VEC_CPLB_MHIT   0x27    /* multiple DCPLB hit */
  98 #define VEC_WATCH       0x28    /* watchpoint match */
  99 #define VEC_ISTRU_VL    0x29    /* ADSP-BF535 only */
 100 #define VEC_MISALI_I    0x2a    /* unaligned instruction access */
 101 #define VEC_CPLB_I_VL   0x2b    /* ICPLB protection violation */
 102 #define VEC_CPLB_I_M    0x2c    /* ICPLB miss */
 103 #define VEC_CPLB_I_MHIT 0x2d    /* multiple ICPLB hit */
 104 #define VEC_ILL_RES     0x2e    /* illegal supervisor resource */
 105 /*
 106  * The hardware reserves 63+ for future use - we use it to tell our
 107  * normal exception handling code we have a hardware error
 108  */
 109 #define VEC_HWERR       63
 110 #define VEC_SIM_BASE    64
 111 #define VEC_SIM_HLT     (VEC_SIM_BASE + 1)
 112 #define VEC_SIM_ABORT   (VEC_SIM_BASE + 2)
 113 #define VEC_SIM_TRAP    (VEC_SIM_BASE + 3)
 114 #define VEC_SIM_DBGA    (VEC_SIM_BASE + 4)
 115 extern void cec_exception (SIM_CPU *, int vec_excp);
 116
 117 #define HWERR_SYSTEM_MMR        0x02
 118 #define HWERR_EXTERN_ADDR       0x03
 119 #define HWERR_PERF_FLOW         0x12
 120 #define HWERR_RAISE_5           0x18
 121 extern void cec_hwerr (SIM_CPU *, int hwerr);
 122 extern void cec_latch (SIM_CPU *, int ivg);
 123 extern void cec_return (SIM_CPU *, int ivg);
 124
 125 extern int cec_get_ivg (SIM_CPU *);
 126 extern bool cec_is_supervisor_mode (SIM_CPU *);
 127 extern bool cec_is_user_mode (SIM_CPU *);
 128 extern void cec_require_supervisor (SIM_CPU *);
 129
 130 extern bu32 cec_cli (SIM_CPU *);
 131 extern void cec_sti (SIM_CPU *, bu32 ints);
 132
 133 extern void cec_push_reti (SIM_CPU *);
 134 extern void cec_pop_reti (SIM_CPU *);
 135
 136 #endif