1 Mon Jun 3 15:02:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
3 * emul_unix.c (do_unix_{time,gettimeofday,getrusage}): Add support
4 for time, gettimeofday, and getrusage system calls.
5 ({solaris,linux}_descriptors): Add new system calls.
6 (do_get{,e}{uid,gid}): Use gid_t/uid_t types.
7 (do_get{,p}pid): Use pic_t types.
9 * configure.in (AC_TYPE_{GETGROUPS,SIGNAL}): Define.
10 (AC_TYPE_{MODE,OFF,PID,SIZE,UID}_T): Define.
11 * config{.in,ure}: Regenerate.
13 Sun Jun 2 11:21:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
15 * emul_unix.{h,c}: New files to provide Solaris and Linux system
18 * Makefile.in (LIB_{SRC,OBJ}): Add emul_unix.{c,o}.
19 (os_emul.o): Depend on emul_unix.h.
20 (emul_unix.o): New dependency.
22 * configure.in (--enable-sim-alignment): Add 0|default to mean set
23 alignment to 0, which means use appropriate alignment for mode.
24 (AC_CHECK_FUNCS): Add new functions needed by emul_unix.c.
25 (AC_CHECK_HEADERS): Add new include files needed by emul_unix.c.
26 * config.in: Regenerate.
27 * configure: Regenerate.
29 * emul_generic.c (emul_write2_status): New function to return
30 results in r3 and r4 for Solaris system calls.
31 (emul_do_system_call): If the system call is not support, but
32 there is a string for the system call name, print out the string
33 instead of the system call number.
35 * emul_generic.h (emul_write2_status): Declare it.
37 * emul_netbsd.c: Use /* */ around comment on #endif.
39 * os_emul.c: Include emul_unix.h.
40 (os_emulations): Add emulations for Solaris, and Linux.
42 * psim.c (psim_usage): Add message about solaris, linux
45 Fri May 24 10:08:10 1996 Michael Meissner <meissner@tiktok.cygnus.com>
47 * configure.in (AC_STRUCT_ST_{BLKSIZE,BLOCKS,RDEV}): Use these
48 macros to determine whether or not the appropriate st_<xxx> fields
49 exist in the stat structure.
50 (AC_CHECK_FUNCS): Check for all unix system calls used, except for
51 the real basic ones like open, read, write, etc.
52 * config{.in,ure}: Regenerate.
54 * emul_netbsd.c: Add support for missing system calls, and/or
56 (MAXPATHLEN): Undefine if including unistd.h, since sys/param.h
59 * hw_pal.c (WITH_STDIO): Redefine if O_NDELAY, F_GETFL, or F_SETFL
61 (scan_hw_pal): Do not cause syntax error if O_NDELAY, F_GETFL, or
64 Tue May 21 17:24:45 1996 Michael Meissner <meissner@tiktok.cygnus.com>
66 * emul_netbsd.c (write_stat): Don't convert st_blocks unless the
69 Thu May 16 10:56:45 1996 Michael Meissner <meissner@tiktok.cygnus.com>
71 * configure.in (AC_CHECK_HEADERS): Add sys/ioctl.h.
72 * config{.in,ure}: Regenerate.
73 * emul_netbsd.c: If HAVE_SYS_IOCTL_H is not defined, don't include
76 Tue May 7 17:28:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
78 * hw_pal.c (hw_pal_instance_read_callback): Remove unused
81 * misc.c ({,target_}a2i): Rewrite to not use strtoul.
83 * Makefile.in ({spreg,misc}.o): Add dependency on .c file.
84 ({i,d}gen): Don't link in liberity. Use BUILD_LIBS instead of
87 Mon May 6 11:31:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
89 * hw_pal.c (hw_pal_instance_read_callback): If using stdio, use
90 fgets to read line. If not using stdio, do a simple blocking read
93 Fri May 3 15:07:42 1996 Michael Meissner <meissner@tiktok.cygnus.com>
95 * Makefile.in: Correctly build simulator for build machine != host
98 Tue Apr 30 18:46:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
100 * configure.in (--enable-hostendian): Rework so the default uses
101 the AC_C_BIGENDIAN results. Only run AC_C_BIGENDIAN if not cross
103 * configure: Regenerate.
105 * sim-endian.h: Add more tests for host endian to support more
106 platforms in a cross compilation environment.
108 Wed Apr 17 14:38:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
110 * hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
111 use stdio, instead of unpended read/printf_filtered.
112 (hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
113 flush stdout after writing the characters.
115 * options.c (print_options): Print out WITH_STDIO.
117 * Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
118 configuration variable.
119 (CONFIG_CFLAGS): Include STDIO_CFLAGS.
120 (hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
121 files to contain directory pieces.
123 * std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
124 should use stdio for console input.
125 (WITH_STDIO): If not defined, define as DONT_USE_STDIO.
127 * configure.in (--enable-sim-stdio): Add new switch to control
128 whether stdio is used for console I/O.
129 * configure: Regenerate.
131 * interrupts.c (external_interrupt): Declare it to be
132 INLINE_INTERRUPTS, not INLINE_CPU.
134 Mon Apr 15 23:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
136 * events.c (insert_event_entry): Allow events to be scheduled
137 *NOW* (at delta time 0). Add assertions to clarify behavour of
140 * events.c (update_time_from_event): New function. Calculates the
141 number of ticks from the next event. Use this.
143 Sun Apr 14 21:39:45 1996 Andrew Cagney <cagney@highland.com.au>
145 * emul_netbsd.c (do_break): Return 0 if success (instead of
148 * device_table.c (vm_ioctl_callback): Don't return adjusted break
151 Sun Apr 14 21:32:41 1996 Andrew Cagney <cagney@highland.com.au>
153 * device_table.h: Change type of the device ioctl so that it
154 returns an int (status).
155 * device.h (device_ioctl): Ditto.
156 * device.c (device_ioctl): Ditto.
158 * device_table.c (stack_ioctl_callback): Return 0 status.
159 (vm_ioctl_callback): Ditto
161 Thu Apr 4 20:58:05 1996 Andrew Cagney <cagney@highland.com.au>
163 * interrupts.h (interrupts): New structure contains state of
166 * cpu.c (cpu_interrupts): New function. Pending interrupt status
167 in the cpu and grant access to it. Add interrupts to cpu
170 Fri Mar 29 22:09:25 1996 Andrew Cagney <cagney@highland.com.au>
172 * device.c (device_tree_add_parsed): Check that the creation of a
173 device instance worked before using it.
175 * psim.c (psim_halt): Remove cia argument from psim_halt. This
176 function does not save the CIA so do not pass it in.
178 Fri Mar 29 21:30:56 1996 Andrew Cagney <cagney@highland.com.au>
180 * hw_pal.c (hw_pal): Merge the halt and icu and console devices
181 found in device_table.c into a single hack pal.
183 * device_table.c (halt, icu, console): Delete.
185 * Makefile.in (hw_pal.o): New dependency.
187 * emul_generic.c (emul_add_tree_hardware): Re-arange device tree
188 so that it uses the pal instead of the icu/halt/console devices.
189 Wire the pal's interrupt ports up to the cpu nodes.
191 Fri Mar 29 20:17:17 1996 Andrew Cagney <cagney@highland.com.au>
193 * hw_iobus.c (hw_iobus_attach_address_callback): Move from
194 device_table.c to here.
196 * Makefile.in (hw_iobus.o): New dependency.
198 Mon Mar 25 22:07:13 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
200 * configure: Regenerate with autoconf 2.9.
202 Thu Mar 21 00:14:26 1996 Andrew Cagney <cagney@highland.com.au>
204 * device_table.h: Always include string headers.
206 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
208 * basics.h: Move the event queue's definition to here so that it
209 can be refered to globally with out importing all of events.h.
211 * psim.h, psim.c (psim_event_queue): New function. Grant access
212 to the simulation event queue. Will make this the single point of
213 access (there is after all only one event queue in the
216 * cpu.c (cpu_create): Use psim_event_queue to obtain the event
217 queue instead of it being passed in. No longer allow access to
218 the cpu's copy of the event queue.
220 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
222 * events.h, events.c (event_handler): Remove event_queue from
223 arguments passed to an event handler. That argument is redundant
224 - the `data' should refer to a data structure that contains the
225 event queue if queing is needed.
227 * cpu.c (cpu_decrement_event): adjust
229 * events.c (event_queue_process): adjust
231 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
233 * device.h, device.c (device_system): New, returns a handle for
234 the system given the device.
236 * device.c (device_address_init): Store a pointer back to the
237 system in each devices node.
239 * device_table.h: Don't pass `system' into each device when it is
240 being initialized, this is now available using device_system(me).
242 * device.c (device_address_init, device_data_init): Adjust.
244 * hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
247 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
249 * interrupts.c (decrementer_interrupt, external_interrupt):
250 Remember that an interrupt wasn't delivered so that it can be
253 * interrupts.c (check_masked_interrupt): New function. (re)
254 checks for the posibility that a recent change to the MSR may have
255 made it possible to deliver an interrupt that was previously
256 masked be the EE bit.
258 * ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
259 a pending interrupt being delivered using check_masked_interrupt().
261 * cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
262 leaving it to that module to handle both interrupt synchronization
265 * cpu.c (struct _cpu): remove variables that were going to record
266 pending decrementer and external interrupts.
268 Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
270 * hw_cpu.c, hw_cpu.h: New files. Implement a device that sits
271 between the interrupt controller and the simulators internal
272 processor model. Maps device interrupts onto the processor
273 interrupt function calls.
275 Mon Mar 4 06:06:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
277 * hw_nvram.c: NVRAM device that includes a real-time clock that is
280 Mon Mar 4 04:18:50 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
282 * device.h (attach_type): Remove attach_default type address
283 spaces. Will replace with levels of callback memory.
285 * corefile.h, corefile.c (new_core_mapping), corefile.c
286 (core_map_attach): Replace default attach with a layerd callback
289 Sun Mar 3 03:58:46 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
291 * device.c (split_property_specifier): ensure that only a single
293 (split_value): New function, parses the value part of a device
296 * device.c (device_tree_add_parsed): Use the interrupt conversion
297 functions to determine the interrupt port numbers.
299 * device_table.h: Add table that maps between an interrupts
300 symbolic name and its port number.
302 * device.h, device.c (device_interrupt_decode,
303 device_interrupt_encode): new functions use the recently added
304 interrupt port name/number tables to perform conversion.
306 Sun Mar 3 03:23:59 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
308 * device.h, device.c (device_set_array_property,
309 device_set_boolean_property, device_set_ihandle_property,
310 device_set_integer_property, device_set_string_property): New
311 functions - allow the value of a given property to be changed.
313 * device.h, device.c: Re-order declaration and definition of
316 Sun Mar 3 03:10:22 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
318 * device.c (device_tree_print_device, device_tree_add_parsed):
319 Remove references to phandle properties.
321 Tue Feb 27 23:59:35 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
323 * device_table.h: Revamp device init callbacks so that they are a
325 * device.c (device_init_data, device_init_address): If an init
326 callback is NULL assume it should do nothing.
327 * device_table.c (ignore_device_init, unimp_device_init): delete
329 * device_table.c, hw_memory.c: adjust.
333 * (device_instance): ditto.
335 * (address nee config_address): ditto.
336 * (interrupt): ditto.
338 Mon Feb 26 22:47:15 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
340 * Makefile.in (hw.h, hw.c): New targets. Create from the list of
341 hw_*.c files. hw.h declares a device descriptor table for each hw
342 device while hw.c lists those tables in a form suitable for the
343 construction of a top leveltable in device_table.c.
345 * Makefile.in (device_table.o): now depends on hw.c a generated
348 * device_table.c (device_table): Re-arange the table of devices so
349 that two levels are possible. Make use of hw.c.
350 * device_table.h: ditto.
352 * device.c (device_template_create_device): Handle new two level
354 * device.c (device_usage): ditto.
356 Mon Feb 26 22:24:00 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
358 * device_table.c: Delete the memory device (moved to hw_memory.c).
360 * hw_memory.c: New file. Just an OpenBoot memory device.