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