sim/ppc/ChangeLog

   1 Mon Jun  3 15:02:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
   2
   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.
   8
   9         * configure.in (AC_TYPE_{GETGROUPS,SIGNAL}): Define.
  10         (AC_TYPE_{MODE,OFF,PID,SIZE,UID}_T): Define.
  11         * config{.in,ure}: Regenerate.
  12
  13 Sun Jun  2 11:21:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  14
  15         * emul_unix.{h,c}: New files to provide Solaris and Linux system
  16         call emulations.
  17
  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.
  21
  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.
  28
  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.
  34
  35         * emul_generic.h (emul_write2_status): Declare it.
  36
  37         * emul_netbsd.c: Use /* */ around comment on #endif.
  38
  39         * os_emul.c: Include emul_unix.h.
  40         (os_emulations): Add emulations for Solaris, and Linux.
  41
  42         * psim.c (psim_usage): Add message about solaris, linux
  43         emulations.
  44
  45 Fri May 24 10:08:10 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  46
  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.
  53
  54         * emul_netbsd.c: Add support for missing system calls, and/or
  55         missing stat fields.
  56         (MAXPATHLEN): Undefine if including unistd.h, since sys/param.h
  57         might define it.
  58
  59         * hw_pal.c (WITH_STDIO): Redefine if O_NDELAY, F_GETFL, or F_SETFL
  60         are not defined.
  61         (scan_hw_pal): Do not cause syntax error if O_NDELAY, F_GETFL, or
  62         F_SETFL not defined.
  63
  64 Tue May 21 17:24:45 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  65
  66         * emul_netbsd.c (write_stat): Don't convert st_blocks unless the
  67         host is netbsd.
  68
  69 Thu May 16 10:56:45 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  70
  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
  74         sys/ioctl.h.
  75
  76 Tue May  7 17:28:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  77
  78         * hw_pal.c (hw_pal_instance_read_callback): Remove unused
  79         variable.
  80
  81         * misc.c ({,target_}a2i): Rewrite to not use strtoul.
  82
  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
  85         LIBS.
  86
  87 Mon May  6 11:31:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  88
  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
  91         of len bytes.
  92
  93 Fri May  3 15:07:42 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  94
  95         * Makefile.in: Correctly build simulator for build machine != host
  96         machine.
  97
  98 Tue Apr 30 18:46:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  99
 100         * configure.in (--enable-hostendian): Rework so the default uses
 101         the AC_C_BIGENDIAN results.  Only run AC_C_BIGENDIAN if not cross
 102         compiling.
 103         * configure: Regenerate.
 104
 105         * sim-endian.h: Add more tests for host endian to support more
 106         platforms in a cross compilation environment.
 107
 108 Wed Apr 17 14:38:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 109
 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.
 114
 115         * options.c (print_options): Print out WITH_STDIO.
 116
 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.
 122
 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.
 126
 127         * configure.in (--enable-sim-stdio): Add new switch to control
 128         whether stdio is used for console I/O.
 129         * configure: Regenerate.
 130
 131         * interrupts.c (external_interrupt): Declare it to be
 132         INLINE_INTERRUPTS, not INLINE_CPU.
 133
 134 Mon Apr 15 23:30:56 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 135
 136         * events.c (insert_event_entry): Allow events to be scheduled
 137         *NOW* (at delta time 0).  Add assertions to clarify behavour of
 138         event queue.
 139
 140         * events.c (update_time_from_event): New function. Calculates the
 141         number of ticks from the next event.  Use this.
 142
 143 Sun Apr 14 21:39:45 1996  Andrew Cagney  <cagney@highland.com.au>
 144
 145         * emul_netbsd.c (do_break): Return 0 if success (instead of
 146         adjusted break).
 147
 148         * device_table.c (vm_ioctl_callback): Don't return adjusted break
 149         (isn't needed).
 150
 151 Sun Apr 14 21:32:41 1996  Andrew Cagney  <cagney@highland.com.au>
 152
 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.
 157
 158         * device_table.c (stack_ioctl_callback): Return 0 status.
 159         (vm_ioctl_callback): Ditto
 160
 161 Thu Apr  4 20:58:05 1996  Andrew Cagney  <cagney@highland.com.au>
 162
 163         * interrupts.h (interrupts): New structure contains state of
 164         pending interrupts.
 165
 166         * cpu.c (cpu_interrupts): New function.  Pending interrupt status
 167         in the cpu and grant access to it.  Add interrupts to cpu
 168         structure.
 169
 170 Fri Mar 29 22:09:25 1996  Andrew Cagney  <cagney@highland.com.au>
 171
 172         * device.c (device_tree_add_parsed): Check that the creation of a
 173         device instance worked before using it.
 174
 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.
 177
 178 Fri Mar 29 21:30:56 1996  Andrew Cagney  <cagney@highland.com.au>
 179
 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.
 182
 183         * device_table.c (halt, icu, console): Delete.
 184
 185         * Makefile.in (hw_pal.o): New dependency.
 186
 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.
 190
 191 Fri Mar 29 20:17:17 1996  Andrew Cagney  <cagney@highland.com.au>
 192
 193         * hw_iobus.c (hw_iobus_attach_address_callback): Move from
 194         device_table.c to here.
 195
 196         * Makefile.in (hw_iobus.o): New dependency.
 197
 198 Mon Mar 25 22:07:13 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 199
 200         * configure: Regenerate with autoconf 2.9.
 201
 202 Thu Mar 21 00:14:26 1996  Andrew Cagney  <cagney@highland.com.au>
 203
 204         * device_table.h: Always include string headers.
 205
 206 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 207
 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.
 210
 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
 214         simulation).
 215
 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.
 219
 220 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 221
 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.
 226
 227         * cpu.c (cpu_decrement_event): adjust
 228
 229         * events.c (event_queue_process): adjust
 230
 231 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 232
 233         * device.h, device.c (device_system): New, returns a handle for
 234         the system given the device.
 235
 236         * device.c (device_address_init): Store a pointer back to the
 237         system in each devices node.
 238
 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).
 241
 242         * device.c (device_address_init, device_data_init): Adjust.
 243
 244         * hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
 245         Adjust.
 246
 247 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 248
 249         * interrupts.c (decrementer_interrupt, external_interrupt):
 250         Remember that an interrupt wasn't delivered so that it can be
 251         tried again later.
 252
 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.
 257
 258         * ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
 259         a pending interrupt being delivered using check_masked_interrupt().
 260
 261         * cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
 262         leaving it to that module to handle both interrupt synchronization
 263         and masking.
 264
 265         * cpu.c (struct _cpu): remove variables that were going to record
 266         pending decrementer and external interrupts.
 267
 268 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 269
 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.
 274
 275 Mon Mar  4 06:06:54 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 276
 277         * hw_nvram.c: NVRAM device that includes a real-time clock that is
 278         updated each second.
 279
 280 Mon Mar  4 04:18:50 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 281
 282         * device.h (attach_type): Remove attach_default type address
 283         spaces.  Will replace with levels of callback memory.
 284
 285         * corefile.h, corefile.c (new_core_mapping), corefile.c
 286         (core_map_attach): Replace default attach with a layerd callback
 287         approach.
 288
 289 Sun Mar  3 03:58:46 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 290
 291         * device.c (split_property_specifier): ensure that only a single
 292         property is found.
 293         (split_value): New function, parses the value part of a device
 294         spec.
 295
 296         * device.c (device_tree_add_parsed): Use the interrupt conversion
 297         functions to determine the interrupt port numbers.
 298
 299         * device_table.h: Add table that maps between an interrupts
 300         symbolic name and its port number.
 301
 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.
 305
 306 Sun Mar  3 03:23:59 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 307
 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.
 312
 313         * device.h, device.c: Re-order declaration and definition of
 314         property functions.
 315
 316 Sun Mar  3 03:10:22 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 317
 318         * device.c (device_tree_print_device, device_tree_add_parsed):
 319         Remove references to phandle properties.
 320
 321 Tue Feb 27 23:59:35 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 322
 323         * device_table.h: Revamp device init callbacks so that they are a
 324         sub structure.
 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
 328         as redundant.
 329         * device_table.c, hw_memory.c: adjust.
 330
 331         * (io): ditto.
 332         * (dma): ditto.
 333         * (device_instance): ditto.
 334         * (ioctl): ditto.
 335         * (address nee config_address): ditto.
 336         * (interrupt): ditto.
 337
 338 Mon Feb 26 22:47:15 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 339
 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.
 344
 345         * Makefile.in (device_table.o): now depends on hw.c a generated
 346         table of hw.
 347
 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.
 351
 352         * device.c (device_template_create_device): Handle new two level
 353         device lookup table.
 354         * device.c (device_usage): ditto.
 355
 356 Mon Feb 26 22:24:00 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 357
 358         * device_table.c: Delete the memory device (moved to hw_memory.c).
 359
 360         * hw_memory.c: New file.  Just an OpenBoot memory device.