1 Fri May 3 15:07:42 1996 Michael Meissner <meissner@tiktok.cygnus.com>
3 * Makefile.in: Correctly build simulator for build machine != host
6 Tue Apr 30 18:46:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
8 * configure.in (--enable-hostendian): Rework so the default uses
9 the AC_C_BIGENDIAN results. Only run AC_C_BIGENDIAN if not cross
11 * configure: Regenerate.
13 * sim-endian.h: Add more tests for host endian to support more
14 platforms in a cross compilation environment.
16 Wed Apr 17 14:38:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
18 * hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
19 use stdio, instead of unpended read/printf_filtered.
20 (hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
21 flush stdout after writing the characters.
23 * options.c (print_options): Print out WITH_STDIO.
25 * Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
26 configuration variable.
27 (CONFIG_CFLAGS): Include STDIO_CFLAGS.
28 (hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
29 files to contain directory pieces.
31 * std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
32 should use stdio for console input.
33 (WITH_STDIO): If not defined, define as DONT_USE_STDIO.
35 * configure.in (--enable-sim-stdio): Add new switch to control
36 whether stdio is used for console I/O.
37 * configure: Regenerate.
39 * interrupts.c (external_interrupt): Declare it to be
40 INLINE_INTERRUPTS, not INLINE_CPU.
42 Mon Apr 15 23:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
44 * events.c (insert_event_entry): Allow events to be scheduled
45 *NOW* (at delta time 0). Add assertions to clarify behavour of
48 * events.c (update_time_from_event): New function. Calculates the
49 number of ticks from the next event. Use this.
51 Sun Apr 14 21:39:45 1996 Andrew Cagney <cagney@highland.com.au>
53 * emul_netbsd.c (do_break): Return 0 if success (instead of
56 * device_table.c (vm_ioctl_callback): Don't return adjusted break
59 Sun Apr 14 21:32:41 1996 Andrew Cagney <cagney@highland.com.au>
61 * device_table.h: Change type of the device ioctl so that it
62 returns an int (status).
63 * device.h (device_ioctl): Ditto.
64 * device.c (device_ioctl): Ditto.
66 * device_table.c (stack_ioctl_callback): Return 0 status.
67 (vm_ioctl_callback): Ditto
69 Thu Apr 4 20:58:05 1996 Andrew Cagney <cagney@highland.com.au>
71 * interrupts.h (interrupts): New structure contains state of
74 * cpu.c (cpu_interrupts): New function. Pending interrupt status
75 in the cpu and grant access to it. Add interrupts to cpu
78 Fri Mar 29 22:09:25 1996 Andrew Cagney <cagney@highland.com.au>
80 * device.c (device_tree_add_parsed): Check that the creation of a
81 device instance worked before using it.
83 * psim.c (psim_halt): Remove cia argument from psim_halt. This
84 function does not save the CIA so do not pass it in.
86 Fri Mar 29 21:30:56 1996 Andrew Cagney <cagney@highland.com.au>
88 * hw_pal.c (hw_pal): Merge the halt and icu and console devices
89 found in device_table.c into a single hack pal.
91 * device_table.c (halt, icu, console): Delete.
93 * Makefile.in (hw_pal.o): New dependency.
95 * emul_generic.c (emul_add_tree_hardware): Re-arange device tree
96 so that it uses the pal instead of the icu/halt/console devices.
97 Wire the pal's interrupt ports up to the cpu nodes.
99 Fri Mar 29 20:17:17 1996 Andrew Cagney <cagney@highland.com.au>
101 * hw_iobus.c (hw_iobus_attach_address_callback): Move from
102 device_table.c to here.
104 * Makefile.in (hw_iobus.o): New dependency.
106 Mon Mar 25 22:07:13 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
108 * configure: Regenerate with autoconf 2.9.
110 Thu Mar 21 00:14:26 1996 Andrew Cagney <cagney@highland.com.au>
112 * device_table.h: Always include string headers.
114 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
116 * basics.h: Move the event queue's definition to here so that it
117 can be refered to globally with out importing all of events.h.
119 * psim.h, psim.c (psim_event_queue): New function. Grant access
120 to the simulation event queue. Will make this the single point of
121 access (there is after all only one event queue in the
124 * cpu.c (cpu_create): Use psim_event_queue to obtain the event
125 queue instead of it being passed in. No longer allow access to
126 the cpu's copy of the event queue.
128 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
130 * events.h, events.c (event_handler): Remove event_queue from
131 arguments passed to an event handler. That argument is redundant
132 - the `data' should refer to a data structure that contains the
133 event queue if queing is needed.
135 * cpu.c (cpu_decrement_event): adjust
137 * events.c (event_queue_process): adjust
139 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
141 * device.h, device.c (device_system): New, returns a handle for
142 the system given the device.
144 * device.c (device_address_init): Store a pointer back to the
145 system in each devices node.
147 * device_table.h: Don't pass `system' into each device when it is
148 being initialized, this is now available using device_system(me).
150 * device.c (device_address_init, device_data_init): Adjust.
152 * hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
155 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
157 * interrupts.c (decrementer_interrupt, external_interrupt):
158 Remember that an interrupt wasn't delivered so that it can be
161 * interrupts.c (check_masked_interrupt): New function. (re)
162 checks for the posibility that a recent change to the MSR may have
163 made it possible to deliver an interrupt that was previously
164 masked be the EE bit.
166 * ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
167 a pending interrupt being delivered using check_masked_interrupt().
169 * cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
170 leaving it to that module to handle both interrupt synchronization
173 * cpu.c (struct _cpu): remove variables that were going to record
174 pending decrementer and external interrupts.
176 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
178 * hw_cpu.c, hw_cpu.h: New files. Implement a device that sits
179 between the interrupt controller and the simulators internal
180 processor model. Maps device interrupts onto the processor
181 interrupt function calls.
183 Mon Mar 4 06:06:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
185 * hw_nvram.c: NVRAM device that includes a real-time clock that is
188 Mon Mar 4 04:18:50 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
190 * device.h (attach_type): Remove attach_default type address
191 spaces. Will replace with levels of callback memory.
193 * corefile.h, corefile.c (new_core_mapping), corefile.c
194 (core_map_attach): Replace default attach with a layerd callback
197 Sun Mar 3 03:58:46 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
199 * device.c (split_property_specifier): ensure that only a single
201 (split_value): New function, parses the value part of a device
204 * device.c (device_tree_add_parsed): Use the interrupt conversion
205 functions to determine the interrupt port numbers.
207 * device_table.h: Add table that maps between an interrupts
208 symbolic name and its port number.
210 * device.h, device.c (device_interrupt_decode,
211 device_interrupt_encode): new functions use the recently added
212 interrupt port name/number tables to perform conversion.
214 Sun Mar 3 03:23:59 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
216 * device.h, device.c (device_set_array_property,
217 device_set_boolean_property, device_set_ihandle_property,
218 device_set_integer_property, device_set_string_property): New
219 functions - allow the value of a given property to be changed.
221 * device.h, device.c: Re-order declaration and definition of
224 Sun Mar 3 03:10:22 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
226 * device.c (device_tree_print_device, device_tree_add_parsed):
227 Remove references to phandle properties.
229 Tue Feb 27 23:59:35 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
231 * device_table.h: Revamp device init callbacks so that they are a
233 * device.c (device_init_data, device_init_address): If an init
234 callback is NULL assume it should do nothing.
235 * device_table.c (ignore_device_init, unimp_device_init): delete
237 * device_table.c, hw_memory.c: adjust.
241 * (device_instance): ditto.
243 * (address nee config_address): ditto.
244 * (interrupt): ditto.
246 Mon Feb 26 22:47:15 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
248 * Makefile.in (hw.h, hw.c): New targets. Create from the list of
249 hw_*.c files. hw.h declares a device descriptor table for each hw
250 device while hw.c lists those tables in a form suitable for the
251 construction of a top leveltable in device_table.c.
253 * Makefile.in (device_table.o): now depends on hw.c a generated
256 * device_table.c (device_table): Re-arange the table of devices so
257 that two levels are possible. Make use of hw.c.
258 * device_table.h: ditto.
260 * device.c (device_template_create_device): Handle new two level
262 * device.c (device_usage): ditto.
264 Mon Feb 26 22:24:00 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
266 * device_table.c: Delete the memory device (moved to hw_memory.c).
268 * hw_memory.c: New file. Just an OpenBoot memory device.