1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* sim-main.h: Define cycle_to_string.
* dv-m68hc11tim.c (cycle_to_string): New function to translate
the cpu cycle into some formatted time string.
(m68hc11tim_print_timer): Use it.
* dv-m68hc11sio.c (m68hc11sio_info): Use cycle_to_string.
* dv-m68hc11spi.c (m68hc11spi_info): Likewise.
* interrupts.c (interrupts_info): Likewise.
* m68hc11_sim.c (cpu_info): Likewise.
2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11tim.c (m68hc11tim_timer_event): Compute the overflow
interrupt and compare events accurately. Take into account the
pending ticks not processed by the simulator yet (introduced a shift).
(m68hc11_port_event): Reset the timer interrupt delays.
(m68hc11tim_io_read_buffer): Be able to read several bytes.
(m68hc11tim_io_write_buffer): Likewise for write.
(m68hc11tim_io_write_buffer): Recompute the timer overflow interrupt.
2000-09-06 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11spi.c (m68hc11spi_io_read_buffer): Clear the interrupts.
(m68hc11spi_io_write_buffer): Likewise and fix the spi frame.
(m68hc11spi_info): Clarify the status report
of the SPI when a byte is being sent.
(m68hc11spi_clock): Fix the spi send frame.
2000-08-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* sim-main.h (m68hc11_map_level): Define level of address mappings.
* dv-m68hc11eepr.c (struct m68hc11eepr ): New flag to indicate
whether the eeprom is currently mapped or not.
(m68hc11eepr_port_event): Use the flag to see if we must unmap
or map the eeprom. Update the flag to reflect the current state.
Use M6811_EEPROM_LEVEL when mapping the eeprom.
(m68hc11eepr_finish): Remove overlap hack.
(attach_m68hc11eepr_regs): Use M6811_IO_LEVEL when mapping the
config and control registers.
* dv-m68hc11.c (m68hc11cpu_finish): Remove overlap hack.
(attach_m68hc11_regs): Use M6811_IO_LEVEL.
(m68hc11cpu_io_write): Likewise when unmapping and re-mapping.
* dv-m68hc11spi.c (m68hc11spi_finish): Likewise.
(attach_m68hc11spi_regs): Likewise.
* dv-m68hc11tim.c (m68hc11tim_finish): Likewise.
(attach_m68hc11tim_regs): Likewise.
* dv-m68hc11sio.c (m68hc11sio_finish): Likewise.
(attach_m68hc11sio_regs): Likewise.
* interp.c (sim_open): Likewise.
* dv-nvram.c (attach_nvram_regs): Likewise.
Thu Jul 27 21:27:25 2000 Andrew Cagney <cagney@b1.cygnus.com>
* configure, config.in: Regenerate.
2000-06-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* Makefile.in (SIM_RUN_OBJS): Define to use nrun.c
* dv-m68hc11.c (m68hc11cpu_finish): Register detach address callback.
(dv_m6811_detach_address_callback): New function to detach a
device from an address space.
* dv-m68hc11eepr.c (m68hc11eepr_port_event): Initialize
config register according to --cpu-config option.
* sim-main.h (_sim_cpu): Add cpu_config member.
* interp.c (sim_open): Delete specific simulator options.
* m68hc11_sim.c (cpu_option_handler): New options
--emulos and -cpu-config <val> to configure the simulator.
(cpu_initialize): Initialize cpu_config member.
2000-06-24 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* emulos.c: Fix indentation and comments.
* gencode.c: Likewise.
* dv-m68hc11tim.c (m68hc11tim_timer_event): Handle COMPARE_EVENT.
(m68hc11tim_io_write_buffer): Write compare registers and
setup compare event.
* interp.c: Remove unused global variables.
* interrupts.c (idefs): New compare interrupts.
Fix indentation and comments.
* interrupts.h: Likewise.
2000-06-18 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-m68hc11sio.c: Fix indentation and comments.
Remove INT_PORT.
* dv-m68hc11.c: Fix indentation and comments.
(m68hc11cpu_port_event): Move initialization of M6811_HPRIO from here.
* m68hc11_sim.c (cpu_reset): To here.
* dv-m68hc11eepr.c: Fix indentation and comments.
2000-06-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* dv-nvram.c: New file, rename from dv-pram.c.
* dv-pram.c: Delete file.
* sim-main.h: Incorporate m68hc11_sim.h.
* m68hc11_sim.h: Delete file.
* configure.in: Rename pram into nvram.
* interp.c (sim_open): Likewise in creation of device tree.
2000-05-31 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* interp.c (sim_open): Create the SPI device.
* dv-m68hc11spi.c: New file for SPI device simulation.
* configure.in (hw_extra_devices): Add SPI device.
2000-05-28 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* interrupts.c (interrupts_initialize): Clear XIRQ accounting.
(interrupts_process): Separate IRQ and XIRQ accounting.
(interrupts_info): Report XIRQ accounting.
* interrupts.h (struct interrupts): Added accounting for XIRQ.
2000-04-16 Stephane Carrez <stcarrez@worldnet.fr>
* dv-pram.c (attach_pram_regs): Fix the 'save-modified' mode.
* m68hc11_sim.h (_sim_cpu): Allow configuration of cpu mode.
* dv-m68hc11.c (attach_m68hc11_regs): Get the cpu MODA,MODB
configuration from the 'mode' device tree property.
(m68hc11cpu_port_event): Reset M6811_HPRIO to the cpu MODA, MODB
configuration.
2000-02-24 Stephane Carrez <stcarrez@worldnet.fr>
* sim-main.h: Remove WITH_TARGET_* defines.
* Makefile.in (SIM_EXTRA_CFLAGS): Specify the WITH_TARGET_* flags.
2000-02-08 Stephane Carrez <stcarrez@worldnet.fr>
* dv-m68hc11sio.c (m68hc11sio_port_event): Setup the SCI to
1200 baud when cpu is in bootstrap mode.
* dv-m68hc11tim.c (m68hc11tim_io_write_buffer): Be able to
write in the TCTN timer register.
* dv-m68hc11sio.c (m68hc11sio_io_write_buffer): Divide cpu clock
by 4 to obtain the E clock frequency.
(sccr2_desc): Use M6811_TIE for TIE bit.
(m68hc11sio_info): Fix baud rate report.
* dv-m68hc11tim.c (to_realtime): Likewise.
* interp.c (sim_open): When building device tree, only provide
devices that do not exist yet.
* emulos.c: Fix compilation pb under Windows.
* dv-m68hc11.c (attach_m68hc11_regs): Get the clock frequency
from the 'clock' property.
2000-01-02 Stephane Carrez <stcarrez@worldnet.fr>
* m68hc11_sim.h (*_REGNUM): Define.
(_sim_cpu): New member cpu_page0_reg table.
* interp.c (sim_create_inferior): Fill the cpu_page0_reg table with
addresses of soft registers in .page0.
(sim_fetch_register, sim_store_register): Use cpu_page0_reg table
to get/set soft registers.
1999-12-31 Stephane Carrez <stcarrez@worldnet.fr>
* dv-m68hc11.c (m68hc11cpu_io_write_buffer): Clear byte to avoid
returning random values.
1999-12-17 Stephane Carrez <stcarrez@worldnet.fr>
* gencode.c: Fix "subb N,x" that used a instead of b.
1999-09-09 Stephane Carrez <stcarrez@worldnet.fr>
* gencode.c: Fixed sbc8 and adc8 when there was a initial carry.
1999-09-01 Stephane Carrez <stcarrez@worldnet.fr>
* sim-main.h (SIM_HANDLES_LMA): Define to enable loading using lma.
1999-08-14 Stephane Carrez <stcarrez@worldnet.fr>
* dv-m68hc11.c (attach_m68hc11_regs): Save the size of the
register region in the m68hc11cpu struct.
(m68hc11cpu_io_write): When the IO mapping addres changes,
detach the register region and re-attach it at the new address.
(m68hc11cpu_io_read_buffer): Renamed base_address into
attach_address.
(m68hc11cpu_io_write_buffer): Likewise. Pass the hw pointer
to m68hc11cpu_io_write.
1999-08-13 Stephane Carrez <stcarrez@worldnet.fr>
* gencode.c: For sbc8, check the carry and increment the source
before trying to set the carry for the result.
1999-05-24 John S. Kallal <kallal@voicenet.com>
* interp.c (sim_get_info): Don't crash if the command line is 0.
Define prototype for sim_get_info() and init_system().
(sim_info): Correct call to sim_get_info().
1999-05-16 Stephane Carrez <stcarrez@worldnet.fr>
* configure.in: Recognize m6811-*-*.
* configure: Regenerate.
* m68hc11_sim.h (cpu_ccr_update_add8, cpu_ccr_update_add16,
cpu_ccr_update_sub8, cpu_ccr_update_sub16):
Correct the computation of carry of 8 and 16-bits add and subtract.
* gencode.c: Use cpu_ccr_update_sub8 for subtraction (carry and
overflow set in a different manner than add).
1999-05-14 Stephane Carrez <stcarrez@worldnet.fr>
* dv-m68hc11.c (dv_m6811_attach_address_callback): Removed a
trace message.
* interp.c (sim_open, sim_create_inferior): Initialize the
cpu_elf_start from the ELF header.
* m68hc11_sim.c (cpu_initialize): Clear the new data members.
(cpu_restart): Use cpu_elf_start as the starting address when
the flag is set.
(cpu_special): When cpu_use_elf_start is set, the WAI instruction
exits the simulator (exit status is in D).
* m68hc11_sim.h (_sim_cpu): Added members cpu_use_elf_start and
cpu_elf_star to start execution at address specified in ELF file.
1999-05-02 Stephane Carrez <stcarrez@worldnet.fr>
* Makefile.in, config.in, configure, configure.in: New files.
* gencode.c: New file, generation of 68HC11 interpreter.
* m68hc11_sim.h, m68hc11_sim.c: New files, specific operations
for interpreter.
* interrupts.c, interrupts.h: New files, management of interrupts.
* interp.c, sim-main.h,
* dv-m68hc11.c, dv-m68hc11eepr.c, dv-m68hc11sio.c,
dv-m68hc11tim.c, dv-pram.c: New files representing devices for
68HC11 (dv-pram.c is generic and could probably migrate to common).
* emulos.c: New file, basic emulation of some os.
|
