1 Tue Apr 30 18:46:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
3 * configure.in (--enable-hostendian): Rework so the default uses
4 the AC_C_BIGENDIAN results. Only run AC_C_BIGENDIAN if not cross
6 * configure: Regenerate.
8 * sim-endian.h: Add more tests for host endian to support more
9 platforms in a cross compilation environment.
11 Wed Apr 17 14:38:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13 * hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
14 use stdio, instead of unpended read/printf_filtered.
15 (hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
16 flush stdout after writing the characters.
18 * options.c (print_options): Print out WITH_STDIO.
20 * Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
21 configuration variable.
22 (CONFIG_CFLAGS): Include STDIO_CFLAGS.
23 (hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
24 files to contain directory pieces.
26 * std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
27 should use stdio for console input.
28 (WITH_STDIO): If not defined, define as DONT_USE_STDIO.
30 * configure.in (--enable-sim-stdio): Add new switch to control
31 whether stdio is used for console I/O.
32 * configure: Regenerate.
34 * interrupts.c (external_interrupt): Declare it to be
35 INLINE_INTERRUPTS, not INLINE_CPU.
37 Mon Apr 15 23:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
39 * events.c (insert_event_entry): Allow events to be scheduled
40 *NOW* (at delta time 0). Add assertions to clarify behavour of
43 * events.c (update_time_from_event): New function. Calculates the
44 number of ticks from the next event. Use this.
46 Sun Apr 14 21:39:45 1996 Andrew Cagney <cagney@highland.com.au>
48 * emul_netbsd.c (do_break): Return 0 if success (instead of
51 * device_table.c (vm_ioctl_callback): Don't return adjusted break
54 Sun Apr 14 21:32:41 1996 Andrew Cagney <cagney@highland.com.au>
56 * device_table.h: Change type of the device ioctl so that it
57 returns an int (status).
58 * device.h (device_ioctl): Ditto.
59 * device.c (device_ioctl): Ditto.
61 * device_table.c (stack_ioctl_callback): Return 0 status.
62 (vm_ioctl_callback): Ditto
64 Thu Apr 4 20:58:05 1996 Andrew Cagney <cagney@highland.com.au>
66 * interrupts.h (interrupts): New structure contains state of
69 * cpu.c (cpu_interrupts): New function. Pending interrupt status
70 in the cpu and grant access to it. Add interrupts to cpu
73 Fri Mar 29 22:09:25 1996 Andrew Cagney <cagney@highland.com.au>
75 * device.c (device_tree_add_parsed): Check that the creation of a
76 device instance worked before using it.
78 * psim.c (psim_halt): Remove cia argument from psim_halt. This
79 function does not save the CIA so do not pass it in.
81 Fri Mar 29 21:30:56 1996 Andrew Cagney <cagney@highland.com.au>
83 * hw_pal.c (hw_pal): Merge the halt and icu and console devices
84 found in device_table.c into a single hack pal.
86 * device_table.c (halt, icu, console): Delete.
88 * Makefile.in (hw_pal.o): New dependency.
90 * emul_generic.c (emul_add_tree_hardware): Re-arange device tree
91 so that it uses the pal instead of the icu/halt/console devices.
92 Wire the pal's interrupt ports up to the cpu nodes.
94 Fri Mar 29 20:17:17 1996 Andrew Cagney <cagney@highland.com.au>
96 * hw_iobus.c (hw_iobus_attach_address_callback): Move from
97 device_table.c to here.
99 * Makefile.in (hw_iobus.o): New dependency.
101 Mon Mar 25 22:07:13 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
103 * configure: Regenerate with autoconf 2.9.
105 Thu Mar 21 00:14:26 1996 Andrew Cagney <cagney@highland.com.au>
107 * device_table.h: Always include string headers.
109 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
111 * basics.h: Move the event queue's definition to here so that it
112 can be refered to globally with out importing all of events.h.
114 * psim.h, psim.c (psim_event_queue): New function. Grant access
115 to the simulation event queue. Will make this the single point of
116 access (there is after all only one event queue in the
119 * cpu.c (cpu_create): Use psim_event_queue to obtain the event
120 queue instead of it being passed in. No longer allow access to
121 the cpu's copy of the event queue.
123 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
125 * events.h, events.c (event_handler): Remove event_queue from
126 arguments passed to an event handler. That argument is redundant
127 - the `data' should refer to a data structure that contains the
128 event queue if queing is needed.
130 * cpu.c (cpu_decrement_event): adjust
132 * events.c (event_queue_process): adjust
134 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
136 * device.h, device.c (device_system): New, returns a handle for
137 the system given the device.
139 * device.c (device_address_init): Store a pointer back to the
140 system in each devices node.
142 * device_table.h: Don't pass `system' into each device when it is
143 being initialized, this is now available using device_system(me).
145 * device.c (device_address_init, device_data_init): Adjust.
147 * hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
150 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
152 * interrupts.c (decrementer_interrupt, external_interrupt):
153 Remember that an interrupt wasn't delivered so that it can be
156 * interrupts.c (check_masked_interrupt): New function. (re)
157 checks for the posibility that a recent change to the MSR may have
158 made it possible to deliver an interrupt that was previously
159 masked be the EE bit.
161 * ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
162 a pending interrupt being delivered using check_masked_interrupt().
164 * cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
165 leaving it to that module to handle both interrupt synchronization
168 * cpu.c (struct _cpu): remove variables that were going to record
169 pending decrementer and external interrupts.
171 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
173 * hw_cpu.c, hw_cpu.h: New files. Implement a device that sits
174 between the interrupt controller and the simulators internal
175 processor model. Maps device interrupts onto the processor
176 interrupt function calls.
178 Mon Mar 4 06:06:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
180 * hw_nvram.c: NVRAM device that includes a real-time clock that is
183 Mon Mar 4 04:18:50 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
185 * device.h (attach_type): Remove attach_default type address
186 spaces. Will replace with levels of callback memory.
188 * corefile.h, corefile.c (new_core_mapping), corefile.c
189 (core_map_attach): Replace default attach with a layerd callback
192 Sun Mar 3 03:58:46 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
194 * device.c (split_property_specifier): ensure that only a single
196 (split_value): New function, parses the value part of a device
199 * device.c (device_tree_add_parsed): Use the interrupt conversion
200 functions to determine the interrupt port numbers.
202 * device_table.h: Add table that maps between an interrupts
203 symbolic name and its port number.
205 * device.h, device.c (device_interrupt_decode,
206 device_interrupt_encode): new functions use the recently added
207 interrupt port name/number tables to perform conversion.
209 Sun Mar 3 03:23:59 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
211 * device.h, device.c (device_set_array_property,
212 device_set_boolean_property, device_set_ihandle_property,
213 device_set_integer_property, device_set_string_property): New
214 functions - allow the value of a given property to be changed.
216 * device.h, device.c: Re-order declaration and definition of
219 Sun Mar 3 03:10:22 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
221 * device.c (device_tree_print_device, device_tree_add_parsed):
222 Remove references to phandle properties.
224 Tue Feb 27 23:59:35 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
226 * device_table.h: Revamp device init callbacks so that they are a
228 * device.c (device_init_data, device_init_address): If an init
229 callback is NULL assume it should do nothing.
230 * device_table.c (ignore_device_init, unimp_device_init): delete
232 * device_table.c, hw_memory.c: adjust.
236 * (device_instance): ditto.
238 * (address nee config_address): ditto.
239 * (interrupt): ditto.
241 Mon Feb 26 22:47:15 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
243 * Makefile.in (hw.h, hw.c): New targets. Create from the list of
244 hw_*.c files. hw.h declares a device descriptor table for each hw
245 device while hw.c lists those tables in a form suitable for the
246 construction of a top leveltable in device_table.c.
248 * Makefile.in (device_table.o): now depends on hw.c a generated
251 * device_table.c (device_table): Re-arange the table of devices so
252 that two levels are possible. Make use of hw.c.
253 * device_table.h: ditto.
255 * device.c (device_template_create_device): Handle new two level
257 * device.c (device_usage): ditto.
259 Mon Feb 26 22:24:00 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
261 * device_table.c: Delete the memory device (moved to hw_memory.c).
263 * hw_memory.c: New file. Just an OpenBoot memory device.