sim/ppc/ChangeLog

   1 Fri May 24 10:08:10 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
   2
   3         * configure.in (AC_STRUCT_ST_{BLKSIZE,BLOCKS,RDEV}): Use these
   4         macros to determine whether or not the appropriate st_<xxx> fields
   5         exist in the stat structure.
   6         (AC_CHECK_FUNCS): Check for all unix system calls used, except for
   7         the real basic ones like open, read, write, etc.
   8         * config{.in,ure}: Regenerate.
   9
  10         * emul_netbsd.c: Add support for missing system calls, and/or
  11         missing stat fields.
  12         (MAXPATHLEN): Undefine if including unistd.h, since sys/param.h
  13         might define it.
  14
  15         * hw_pal.c (WITH_STDIO): Redefine if O_NDELAY, F_GETFL, or F_SETFL
  16         are not defined.
  17         (scan_hw_pal): Do not cause syntax error if O_NDELAY, F_GETFL, or
  18         F_SETFL not defined.
  19
  20 Tue May 21 17:24:45 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  21
  22         * emul_netbsd.c (write_stat): Don't convert st_blocks unless the
  23         host is netbsd.
  24
  25 Thu May 16 10:56:45 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  26
  27         * configure.in (AC_CHECK_HEADERS): Add sys/ioctl.h.
  28         * config{.in,ure}: Regenerate.
  29         * emul_netbsd.c: If HAVE_SYS_IOCTL_H is not defined, don't include
  30         sys/ioctl.h.
  31
  32 Tue May  7 17:28:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  33
  34         * hw_pal.c (hw_pal_instance_read_callback): Remove unused
  35         variable.
  36
  37         * misc.c ({,target_}a2i): Rewrite to not use strtoul.
  38
  39         * Makefile.in ({spreg,misc}.o): Add dependency on .c file.
  40         ({i,d}gen): Don't link in liberity.  Use BUILD_LIBS instead of
  41         LIBS.
  42
  43 Mon May  6 11:31:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  44
  45         * hw_pal.c (hw_pal_instance_read_callback): If using stdio, use
  46         fgets to read line.  If not using stdio, do a simple blocking read
  47         of len bytes.
  48
  49 Fri May  3 15:07:42 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  50
  51         * Makefile.in: Correctly build simulator for build machine != host
  52         machine.
  53
  54 Tue Apr 30 18:46:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  55
  56         * configure.in (--enable-hostendian): Rework so the default uses
  57         the AC_C_BIGENDIAN results.  Only run AC_C_BIGENDIAN if not cross
  58         compiling.
  59         * configure: Regenerate.
  60
  61         * sim-endian.h: Add more tests for host endian to support more
  62         platforms in a cross compilation environment.
  63
  64 Wed Apr 17 14:38:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  65
  66         * hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
  67         use stdio, instead of unpended read/printf_filtered.
  68         (hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
  69         flush stdout after writing the characters.
  70
  71         * options.c (print_options): Print out WITH_STDIO.
  72
  73         * Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
  74         configuration variable.
  75         (CONFIG_CFLAGS): Include STDIO_CFLAGS.
  76         (hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
  77         files to contain directory pieces.
  78
  79         * std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
  80         should use stdio for console input.
  81         (WITH_STDIO): If not defined, define as DONT_USE_STDIO.
  82
  83         * configure.in (--enable-sim-stdio): Add new switch to control
  84         whether stdio is used for console I/O.
  85         * configure: Regenerate.
  86
  87         * interrupts.c (external_interrupt): Declare it to be
  88         INLINE_INTERRUPTS, not INLINE_CPU.
  89
  90 Mon Apr 15 23:30:56 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
  91
  92         * events.c (insert_event_entry): Allow events to be scheduled
  93         *NOW* (at delta time 0).  Add assertions to clarify behavour of
  94         event queue.
  95
  96         * events.c (update_time_from_event): New function. Calculates the
  97         number of ticks from the next event.  Use this.
  98
  99 Sun Apr 14 21:39:45 1996  Andrew Cagney  <cagney@highland.com.au>
 100
 101         * emul_netbsd.c (do_break): Return 0 if success (instead of
 102         adjusted break).
 103
 104         * device_table.c (vm_ioctl_callback): Don't return adjusted break
 105         (isn't needed).
 106
 107 Sun Apr 14 21:32:41 1996  Andrew Cagney  <cagney@highland.com.au>
 108
 109         * device_table.h: Change type of the device ioctl so that it
 110         returns an int (status).
 111         * device.h (device_ioctl): Ditto.
 112         * device.c (device_ioctl): Ditto.
 113
 114         * device_table.c (stack_ioctl_callback): Return 0 status.
 115         (vm_ioctl_callback): Ditto
 116
 117 Thu Apr  4 20:58:05 1996  Andrew Cagney  <cagney@highland.com.au>
 118
 119         * interrupts.h (interrupts): New structure contains state of
 120         pending interrupts.
 121
 122         * cpu.c (cpu_interrupts): New function.  Pending interrupt status
 123         in the cpu and grant access to it.  Add interrupts to cpu
 124         structure.
 125
 126 Fri Mar 29 22:09:25 1996  Andrew Cagney  <cagney@highland.com.au>
 127
 128         * device.c (device_tree_add_parsed): Check that the creation of a
 129         device instance worked before using it.
 130
 131         * psim.c (psim_halt): Remove cia argument from psim_halt.  This
 132         function does not save the CIA so do not pass it in.
 133
 134 Fri Mar 29 21:30:56 1996  Andrew Cagney  <cagney@highland.com.au>
 135
 136         * hw_pal.c (hw_pal): Merge the halt and icu and console devices
 137         found in device_table.c into a single hack pal.
 138
 139         * device_table.c (halt, icu, console): Delete.
 140
 141         * Makefile.in (hw_pal.o): New dependency.
 142
 143         * emul_generic.c (emul_add_tree_hardware): Re-arange device tree
 144         so that it uses the pal instead of the icu/halt/console devices.
 145         Wire the pal's interrupt ports up to the cpu nodes.
 146
 147 Fri Mar 29 20:17:17 1996  Andrew Cagney  <cagney@highland.com.au>
 148
 149         * hw_iobus.c (hw_iobus_attach_address_callback): Move from
 150         device_table.c to here.
 151
 152         * Makefile.in (hw_iobus.o): New dependency.
 153
 154 Mon Mar 25 22:07:13 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 155
 156         * configure: Regenerate with autoconf 2.9.
 157
 158 Thu Mar 21 00:14:26 1996  Andrew Cagney  <cagney@highland.com.au>
 159
 160         * device_table.h: Always include string headers.
 161
 162 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 163
 164         * basics.h: Move the event queue's definition to here so that it
 165         can be refered to globally with out importing all of events.h.
 166
 167         * psim.h, psim.c (psim_event_queue): New function.  Grant access
 168         to the simulation event queue.  Will make this the single point of
 169         access (there is after all only one event queue in the
 170         simulation).
 171
 172         * cpu.c (cpu_create): Use psim_event_queue to obtain the event
 173         queue instead of it being passed in.  No longer allow access to
 174         the cpu's copy of the event queue.
 175
 176 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 177
 178         * events.h, events.c (event_handler): Remove event_queue from
 179         arguments passed to an event handler.  That argument is redundant
 180         - the `data' should refer to a data structure that contains the
 181         event queue if queing is needed.
 182
 183         * cpu.c (cpu_decrement_event): adjust
 184
 185         * events.c (event_queue_process): adjust
 186
 187 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 188
 189         * device.h, device.c (device_system): New, returns a handle for
 190         the system given the device.
 191
 192         * device.c (device_address_init): Store a pointer back to the
 193         system in each devices node.
 194
 195         * device_table.h: Don't pass `system' into each device when it is
 196         being initialized, this is now available using device_system(me).
 197
 198         * device.c (device_address_init, device_data_init): Adjust.
 199
 200         * hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
 201         Adjust.
 202
 203 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 204
 205         * interrupts.c (decrementer_interrupt, external_interrupt):
 206         Remember that an interrupt wasn't delivered so that it can be
 207         tried again later.
 208
 209         * interrupts.c (check_masked_interrupt): New function.  (re)
 210         checks for the posibility that a recent change to the MSR may have
 211         made it possible to deliver an interrupt that was previously
 212         masked be the EE bit.
 213
 214         * ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
 215         a pending interrupt being delivered using check_masked_interrupt().
 216
 217         * cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
 218         leaving it to that module to handle both interrupt synchronization
 219         and masking.
 220
 221         * cpu.c (struct _cpu): remove variables that were going to record
 222         pending decrementer and external interrupts.
 223
 224 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 225
 226         * hw_cpu.c, hw_cpu.h: New files.  Implement a device that sits
 227         between the interrupt controller and the simulators internal
 228         processor model.  Maps device interrupts onto the processor
 229         interrupt function calls.
 230
 231 Mon Mar  4 06:06:54 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 232
 233         * hw_nvram.c: NVRAM device that includes a real-time clock that is
 234         updated each second.
 235
 236 Mon Mar  4 04:18:50 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 237
 238         * device.h (attach_type): Remove attach_default type address
 239         spaces.  Will replace with levels of callback memory.
 240
 241         * corefile.h, corefile.c (new_core_mapping), corefile.c
 242         (core_map_attach): Replace default attach with a layerd callback
 243         approach.
 244
 245 Sun Mar  3 03:58:46 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 246
 247         * device.c (split_property_specifier): ensure that only a single
 248         property is found.
 249         (split_value): New function, parses the value part of a device
 250         spec.
 251
 252         * device.c (device_tree_add_parsed): Use the interrupt conversion
 253         functions to determine the interrupt port numbers.
 254
 255         * device_table.h: Add table that maps between an interrupts
 256         symbolic name and its port number.
 257
 258         * device.h, device.c (device_interrupt_decode,
 259         device_interrupt_encode): new functions use the recently added
 260         interrupt port name/number tables to perform conversion.
 261
 262 Sun Mar  3 03:23:59 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 263
 264         * device.h, device.c (device_set_array_property,
 265         device_set_boolean_property, device_set_ihandle_property,
 266         device_set_integer_property, device_set_string_property): New
 267         functions - allow the value of a given property to be changed.
 268
 269         * device.h, device.c: Re-order declaration and definition of
 270         property functions.
 271
 272 Sun Mar  3 03:10:22 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 273
 274         * device.c (device_tree_print_device, device_tree_add_parsed):
 275         Remove references to phandle properties.
 276
 277 Tue Feb 27 23:59:35 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 278
 279         * device_table.h: Revamp device init callbacks so that they are a
 280         sub structure.
 281         * device.c (device_init_data, device_init_address): If an init
 282         callback is NULL assume it should do nothing.
 283         * device_table.c (ignore_device_init, unimp_device_init): delete
 284         as redundant.
 285         * device_table.c, hw_memory.c: adjust.
 286
 287         * (io): ditto.
 288         * (dma): ditto.
 289         * (device_instance): ditto.
 290         * (ioctl): ditto.
 291         * (address nee config_address): ditto.
 292         * (interrupt): ditto.
 293
 294 Mon Feb 26 22:47:15 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 295
 296         * Makefile.in (hw.h, hw.c): New targets. Create from the list of
 297         hw_*.c files. hw.h declares a device descriptor table for each hw
 298         device while hw.c lists those tables in a form suitable for the
 299         construction of a top leveltable in device_table.c.
 300
 301         * Makefile.in (device_table.o): now depends on hw.c a generated
 302         table of hw.
 303
 304         * device_table.c (device_table): Re-arange the table of devices so
 305         that two levels are possible.  Make use of hw.c.
 306         * device_table.h: ditto.
 307
 308         * device.c (device_template_create_device): Handle new two level
 309         device lookup table.
 310         * device.c (device_usage): ditto.
 311
 312 Mon Feb 26 22:24:00 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 313
 314         * device_table.c: Delete the memory device (moved to hw_memory.c).
 315
 316         * hw_memory.c: New file.  Just an OpenBoot memory device.