1 /* Blackfin Core Event Controller (CEC) model.
3 Copyright (C) 2010-2013 Free Software Foundation, Inc.
4 Contributed by Analog Devices, Inc.
6 This file is part of simulators.
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.
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.
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/>. */
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))
37 #define IVG_IRPTEN 4 /* Global is Reserved */
49 #define IVG_USER 16 /* Not real; for internal use */
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)
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 */
106 * The hardware reserves 63+ for future use - we use it to tell our
107 * normal exception handling code we have a hardware error
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);
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);
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 *);
130 extern bu32 cec_cli (SIM_CPU *);
131 extern void cec_sti (SIM_CPU *, bu32 ints);
133 extern void cec_push_reti (SIM_CPU *);
134 extern void cec_pop_reti (SIM_CPU *);