sim/ppc/ChangeLog

   1 Fri May 24 10:08:10 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
   2
   3         * hw_pal.c (WITH_STDIO): Redefine if O_NDELAY, F_GETFL, or F_SETFL
   4         are not defined.
   5         (scan_hw_pal): Do not cause syntax error if O_NDELAY, F_GETFL, or
   6         F_SETFL not defined.
   7
   8 Tue May 21 17:24:45 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
   9
  10         * emul_netbsd.c (write_stat): Don't convert st_blocks unless the
  11         host is netbsd.
  12
  13 Thu May 16 10:56:45 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  14
  15         * configure.in (AC_CHECK_HEADERS): Add sys/ioctl.h.
  16         * config{.in,ure}: Regenerate.
  17         * emul_netbsd.c: If HAVE_SYS_IOCTL_H is not defined, don't include
  18         sys/ioctl.h.
  19
  20 Tue May  7 17:28:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  21
  22         * hw_pal.c (hw_pal_instance_read_callback): Remove unused
  23         variable.
  24
  25         * misc.c ({,target_}a2i): Rewrite to not use strtoul.
  26
  27         * Makefile.in ({spreg,misc}.o): Add dependency on .c file.
  28         ({i,d}gen): Don't link in liberity.  Use BUILD_LIBS instead of
  29         LIBS.
  30
  31 Mon May  6 11:31:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  32
  33         * hw_pal.c (hw_pal_instance_read_callback): If using stdio, use
  34         fgets to read line.  If not using stdio, do a simple blocking read
  35         of len bytes.
  36
  37 Fri May  3 15:07:42 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  38
  39         * Makefile.in: Correctly build simulator for build machine != host
  40         machine.
  41
  42 Tue Apr 30 18:46:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  43
  44         * configure.in (--enable-hostendian): Rework so the default uses
  45         the AC_C_BIGENDIAN results.  Only run AC_C_BIGENDIAN if not cross
  46         compiling.
  47         * configure: Regenerate.
  48
  49         * sim-endian.h: Add more tests for host endian to support more
  50         platforms in a cross compilation environment.
  51
  52 Wed Apr 17 14:38:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  53
  54         * hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
  55         use stdio, instead of unpended read/printf_filtered.
  56         (hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
  57         flush stdout after writing the characters.
  58
  59         * options.c (print_options): Print out WITH_STDIO.
  60
  61         * Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
  62         configuration variable.
  63         (CONFIG_CFLAGS): Include STDIO_CFLAGS.
  64         (hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
  65         files to contain directory pieces.
  66
  67         * std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
  68         should use stdio for console input.
  69         (WITH_STDIO): If not defined, define as DONT_USE_STDIO.
  70
  71         * configure.in (--enable-sim-stdio): Add new switch to control
  72         whether stdio is used for console I/O.
  73         * configure: Regenerate.
  74
  75         * interrupts.c (external_interrupt): Declare it to be
  76         INLINE_INTERRUPTS, not INLINE_CPU.
  77
  78 Mon Apr 15 23:30:56 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
  79
  80         * events.c (insert_event_entry): Allow events to be scheduled
  81         *NOW* (at delta time 0).  Add assertions to clarify behavour of
  82         event queue.
  83
  84         * events.c (update_time_from_event): New function. Calculates the
  85         number of ticks from the next event.  Use this.
  86
  87 Sun Apr 14 21:39:45 1996  Andrew Cagney  <cagney@highland.com.au>
  88
  89         * emul_netbsd.c (do_break): Return 0 if success (instead of
  90         adjusted break).
  91
  92         * device_table.c (vm_ioctl_callback): Don't return adjusted break
  93         (isn't needed).
  94
  95 Sun Apr 14 21:32:41 1996  Andrew Cagney  <cagney@highland.com.au>
  96
  97         * device_table.h: Change type of the device ioctl so that it
  98         returns an int (status).
  99         * device.h (device_ioctl): Ditto.
 100         * device.c (device_ioctl): Ditto.
 101
 102         * device_table.c (stack_ioctl_callback): Return 0 status.
 103         (vm_ioctl_callback): Ditto
 104
 105 Thu Apr  4 20:58:05 1996  Andrew Cagney  <cagney@highland.com.au>
 106
 107         * interrupts.h (interrupts): New structure contains state of
 108         pending interrupts.
 109
 110         * cpu.c (cpu_interrupts): New function.  Pending interrupt status
 111         in the cpu and grant access to it.  Add interrupts to cpu
 112         structure.
 113
 114 Fri Mar 29 22:09:25 1996  Andrew Cagney  <cagney@highland.com.au>
 115
 116         * device.c (device_tree_add_parsed): Check that the creation of a
 117         device instance worked before using it.
 118
 119         * psim.c (psim_halt): Remove cia argument from psim_halt.  This
 120         function does not save the CIA so do not pass it in.
 121
 122 Fri Mar 29 21:30:56 1996  Andrew Cagney  <cagney@highland.com.au>
 123
 124         * hw_pal.c (hw_pal): Merge the halt and icu and console devices
 125         found in device_table.c into a single hack pal.
 126
 127         * device_table.c (halt, icu, console): Delete.
 128
 129         * Makefile.in (hw_pal.o): New dependency.
 130
 131         * emul_generic.c (emul_add_tree_hardware): Re-arange device tree
 132         so that it uses the pal instead of the icu/halt/console devices.
 133         Wire the pal's interrupt ports up to the cpu nodes.
 134
 135 Fri Mar 29 20:17:17 1996  Andrew Cagney  <cagney@highland.com.au>
 136
 137         * hw_iobus.c (hw_iobus_attach_address_callback): Move from
 138         device_table.c to here.
 139
 140         * Makefile.in (hw_iobus.o): New dependency.
 141
 142 Mon Mar 25 22:07:13 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 143
 144         * configure: Regenerate with autoconf 2.9.
 145
 146 Thu Mar 21 00:14:26 1996  Andrew Cagney  <cagney@highland.com.au>
 147
 148         * device_table.h: Always include string headers.
 149
 150 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 151
 152         * basics.h: Move the event queue's definition to here so that it
 153         can be refered to globally with out importing all of events.h.
 154
 155         * psim.h, psim.c (psim_event_queue): New function.  Grant access
 156         to the simulation event queue.  Will make this the single point of
 157         access (there is after all only one event queue in the
 158         simulation).
 159
 160         * cpu.c (cpu_create): Use psim_event_queue to obtain the event
 161         queue instead of it being passed in.  No longer allow access to
 162         the cpu's copy of the event queue.
 163
 164 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 165
 166         * events.h, events.c (event_handler): Remove event_queue from
 167         arguments passed to an event handler.  That argument is redundant
 168         - the `data' should refer to a data structure that contains the
 169         event queue if queing is needed.
 170
 171         * cpu.c (cpu_decrement_event): adjust
 172
 173         * events.c (event_queue_process): adjust
 174
 175 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 176
 177         * device.h, device.c (device_system): New, returns a handle for
 178         the system given the device.
 179
 180         * device.c (device_address_init): Store a pointer back to the
 181         system in each devices node.
 182
 183         * device_table.h: Don't pass `system' into each device when it is
 184         being initialized, this is now available using device_system(me).
 185
 186         * device.c (device_address_init, device_data_init): Adjust.
 187
 188         * hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
 189         Adjust.
 190
 191 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 192
 193         * interrupts.c (decrementer_interrupt, external_interrupt):
 194         Remember that an interrupt wasn't delivered so that it can be
 195         tried again later.
 196
 197         * interrupts.c (check_masked_interrupt): New function.  (re)
 198         checks for the posibility that a recent change to the MSR may have
 199         made it possible to deliver an interrupt that was previously
 200         masked be the EE bit.
 201
 202         * ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
 203         a pending interrupt being delivered using check_masked_interrupt().
 204
 205         * cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
 206         leaving it to that module to handle both interrupt synchronization
 207         and masking.
 208
 209         * cpu.c (struct _cpu): remove variables that were going to record
 210         pending decrementer and external interrupts.
 211
 212 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 213
 214         * hw_cpu.c, hw_cpu.h: New files.  Implement a device that sits
 215         between the interrupt controller and the simulators internal
 216         processor model.  Maps device interrupts onto the processor
 217         interrupt function calls.
 218
 219 Mon Mar  4 06:06:54 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 220
 221         * hw_nvram.c: NVRAM device that includes a real-time clock that is
 222         updated each second.
 223
 224 Mon Mar  4 04:18:50 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 225
 226         * device.h (attach_type): Remove attach_default type address
 227         spaces.  Will replace with levels of callback memory.
 228
 229         * corefile.h, corefile.c (new_core_mapping), corefile.c
 230         (core_map_attach): Replace default attach with a layerd callback
 231         approach.
 232
 233 Sun Mar  3 03:58:46 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 234
 235         * device.c (split_property_specifier): ensure that only a single
 236         property is found.
 237         (split_value): New function, parses the value part of a device
 238         spec.
 239
 240         * device.c (device_tree_add_parsed): Use the interrupt conversion
 241         functions to determine the interrupt port numbers.
 242
 243         * device_table.h: Add table that maps between an interrupts
 244         symbolic name and its port number.
 245
 246         * device.h, device.c (device_interrupt_decode,
 247         device_interrupt_encode): new functions use the recently added
 248         interrupt port name/number tables to perform conversion.
 249
 250 Sun Mar  3 03:23:59 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 251
 252         * device.h, device.c (device_set_array_property,
 253         device_set_boolean_property, device_set_ihandle_property,
 254         device_set_integer_property, device_set_string_property): New
 255         functions - allow the value of a given property to be changed.
 256
 257         * device.h, device.c: Re-order declaration and definition of
 258         property functions.
 259
 260 Sun Mar  3 03:10:22 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 261
 262         * device.c (device_tree_print_device, device_tree_add_parsed):
 263         Remove references to phandle properties.
 264
 265 Tue Feb 27 23:59:35 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 266
 267         * device_table.h: Revamp device init callbacks so that they are a
 268         sub structure.
 269         * device.c (device_init_data, device_init_address): If an init
 270         callback is NULL assume it should do nothing.
 271         * device_table.c (ignore_device_init, unimp_device_init): delete
 272         as redundant.
 273         * device_table.c, hw_memory.c: adjust.
 274
 275         * (io): ditto.
 276         * (dma): ditto.
 277         * (device_instance): ditto.
 278         * (ioctl): ditto.
 279         * (address nee config_address): ditto.
 280         * (interrupt): ditto.
 281
 282 Mon Feb 26 22:47:15 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 283
 284         * Makefile.in (hw.h, hw.c): New targets. Create from the list of
 285         hw_*.c files. hw.h declares a device descriptor table for each hw
 286         device while hw.c lists those tables in a form suitable for the
 287         construction of a top leveltable in device_table.c.
 288
 289         * Makefile.in (device_table.o): now depends on hw.c a generated
 290         table of hw.
 291
 292         * device_table.c (device_table): Re-arange the table of devices so
 293         that two levels are possible.  Make use of hw.c.
 294         * device_table.h: ditto.
 295
 296         * device.c (device_template_create_device): Handle new two level
 297         device lookup table.
 298         * device.c (device_usage): ditto.
 299
 300 Mon Feb 26 22:24:00 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 301
 302         * device_table.c: Delete the memory device (moved to hw_memory.c).
 303
 304         * hw_memory.c: New file.  Just an OpenBoot memory device.