1 /* collection of junk waiting time to sort out
2 Copyright (C) 1996-2015 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
5 This file is part of GDB, the GNU debugger.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 /* GDB register numbers. */
30 #define ACCL_REGNUM 22
31 #define ACCH_REGNUM 23
32 #define ACC1L_REGNUM 24
33 #define ACC1H_REGNUM 25
34 #define BBPSW_REGNUM 26
35 #define BBPC_REGNUM 27
38 extern int m32r_decode_gdb_ctrl_regnum (int);
40 /* Cover macros for hardware accesses.
41 FIXME: Eventually move to cgen. */
42 #define GET_H_SM() ((CPU (h_psw) & 0x80) != 0)
45 extern USI m32rbf_h_cr_get_handler (SIM_CPU *, UINT);
46 extern void m32rbf_h_cr_set_handler (SIM_CPU *, UINT, USI);
48 #define GET_H_CR(regno) \
49 XCONCAT2 (WANT_CPU,_h_cr_get_handler) (current_cpu, (regno))
50 #define SET_H_CR(regno, val) \
51 XCONCAT2 (WANT_CPU,_h_cr_set_handler) (current_cpu, (regno), (val))
55 extern UQI m32rbf_h_psw_get_handler (SIM_CPU *);
56 extern void m32rbf_h_psw_set_handler (SIM_CPU *, UQI);
59 XCONCAT2 (WANT_CPU,_h_psw_get_handler) (current_cpu)
60 #define SET_H_PSW(val) \
61 XCONCAT2 (WANT_CPU,_h_psw_set_handler) (current_cpu, (val))
65 extern DI m32rbf_h_accum_get_handler (SIM_CPU *);
66 extern void m32rbf_h_accum_set_handler (SIM_CPU *, DI);
68 #define GET_H_ACCUM() \
69 XCONCAT2 (WANT_CPU,_h_accum_get_handler) (current_cpu)
70 #define SET_H_ACCUM(val) \
71 XCONCAT2 (WANT_CPU,_h_accum_set_handler) (current_cpu, (val))
74 /* Misc. profile data. */
77 /* nop insn slot filler count */
78 unsigned int fillnop_count;
79 /* number of parallel insns */
80 unsigned int parallel_count;
82 /* FIXME: generalize this to handle all insn lengths, move to common. */
83 /* number of short insns, not including parallel ones */
84 unsigned int short_count;
85 /* number of long insns */
86 unsigned int long_count;
88 /* Working area for computing cycle counts. */
89 unsigned long insn_cycles; /* FIXME: delete */
90 unsigned long cti_stall;
91 unsigned long load_stall;
92 unsigned long biggest_cycles;
94 /* Bitmask of registers loaded by previous insn. */
95 unsigned int load_regs;
96 /* Bitmask of registers loaded by current insn. */
97 unsigned int load_regs_pending;
100 /* Initialize the working area. */
101 void m32r_init_insn_cycles (SIM_CPU *, int);
102 /* Update the totals for the insn. */
103 void m32r_record_insn_cycles (SIM_CPU *, int);
105 /* This is invoked by the nop pattern in the .cpu file. */
106 #define PROFILE_COUNT_FILLNOPS(cpu, addr) \
108 if (PROFILE_INSN_P (cpu) \
109 && (addr & 3) != 0) \
110 ++ CPU_M32R_MISC_PROFILE (cpu)->fillnop_count; \
113 /* This is invoked by the execute section of mloop{,x}.in. */
114 #define PROFILE_COUNT_PARINSNS(cpu) \
116 if (PROFILE_INSN_P (cpu)) \
117 ++ CPU_M32R_MISC_PROFILE (cpu)->parallel_count; \
120 /* This is invoked by the execute section of mloop{,x}.in. */
121 #define PROFILE_COUNT_SHORTINSNS(cpu) \
123 if (PROFILE_INSN_P (cpu)) \
124 ++ CPU_M32R_MISC_PROFILE (cpu)->short_count; \
127 /* This is invoked by the execute section of mloop{,x}.in. */
128 #define PROFILE_COUNT_LONGINSNS(cpu) \
130 if (PROFILE_INSN_P (cpu)) \
131 ++ CPU_M32R_MISC_PROFILE (cpu)->long_count; \
134 #define GETTWI GETTSI
135 #define SETTWI SETTSI
137 /* Additional execution support. */
140 /* Hardware/device support.
141 ??? Will eventually want to move device stuff to config files. */
143 /* Exception, Interrupt, and Trap addresses */
144 #define EIT_SYSBREAK_ADDR 0x10
145 #define EIT_RSVD_INSN_ADDR 0x20
146 #define EIT_ADDR_EXCP_ADDR 0x30
147 #define EIT_TRAP_BASE_ADDR 0x40
148 #define EIT_EXTERN_ADDR 0x80
149 #define EIT_RESET_ADDR 0x7ffffff0
150 #define EIT_WAKEUP_ADDR 0x7ffffff0
152 /* Special purpose traps. */
153 #define TRAP_SYSCALL 0
154 #define TRAP_BREAKPOINT 1
156 /* Support for the MSPR register (Cache Purge Control Register)
157 and the MCCR register (Cache Control Register) are needed in order for
158 overlays to work correctly with the scache.
159 MSPR no longer exists but is supported for upward compatibility with
160 early overlay support. */
162 /* Cache Purge Control (only exists on early versions of chips) */
163 #define MSPR_ADDR 0xfffffff7
166 /* Lock Control Register (not supported) */
167 #define MLCR_ADDR 0xfffffff7
170 /* Power Management Control Register (not supported) */
171 #define MPMR_ADDR 0xfffffffb
173 /* Cache Control Register */
174 #define MCCR_ADDR 0xffffffff
180 /* Serial device addresses. */
181 #ifdef M32R_EVA /* orig eva board, no longer supported */
182 #define UART_INCHAR_ADDR 0xff102013
183 #define UART_OUTCHAR_ADDR 0xff10200f
184 #define UART_STATUS_ADDR 0xff102006
185 /* Indicate ready bit is inverted. */
186 #define UART_INPUT_READY0
188 /* These are the values for the MSA2000 board.
189 ??? Will eventually need to move this to a config file. */
190 #define UART_INCHAR_ADDR 0xff004009
191 #define UART_OUTCHAR_ADDR 0xff004007
192 #define UART_STATUS_ADDR 0xff004002
195 #define UART_INPUT_READY 0x4
196 #define UART_OUTPUT_READY 0x1
198 /* Start address and length of all device support. */
199 #define M32R_DEVICE_ADDR 0xff000000
200 #define M32R_DEVICE_LEN 0x00ffffff
202 /* sim_core_attach device argument. */
203 extern device m32r_devices;
205 /* FIXME: Temporary, until device support ready. */
206 struct _device { int foo; };
208 /* Handle the trap insn. */
209 USI m32r_trap (SIM_CPU *, PCADDR, int);
211 #endif /* M32R_SIM_H */