sim/ppc/ChangeLog

   1 Mon Jun  3 15:02:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
   2
   3         * device_table.c (update_for_binary_section): Abort if we find an
   4         .interp section, which indicates the need for shared libraries to
   5         be loaded.
   6
   7         * emul_unix.c (do_unix_{time,gettimeofday,getrusage}): Add support
   8         for time, gettimeofday, and getrusage system calls.
   9         ({solaris,linux}_descriptors): Add new system calls.
  10         (do_get{,e}{uid,gid}): Use gid_t/uid_t types.
  11         (do_get{,p}pid): Use pic_t types.
  12
  13         * configure.in (AC_TYPE_{GETGROUPS,SIGNAL}): Define.
  14         (AC_TYPE_{MODE,OFF,PID,SIZE,UID}_T): Define.
  15         * config{.in,ure}: Regenerate.
  16
  17 Sun Jun  2 11:21:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  18
  19         * emul_unix.{h,c}: New files to provide Solaris and Linux system
  20         call emulations.
  21
  22         * Makefile.in (LIB_{SRC,OBJ}): Add emul_unix.{c,o}.
  23         (os_emul.o): Depend on emul_unix.h.
  24         (emul_unix.o): New dependency.
  25
  26         * configure.in (--enable-sim-alignment): Add 0|default to mean set
  27         alignment to 0, which means use appropriate alignment for mode.
  28         (AC_CHECK_FUNCS): Add new functions needed by emul_unix.c.
  29         (AC_CHECK_HEADERS): Add new include files needed by emul_unix.c.
  30         * config.in: Regenerate.
  31         * configure: Regenerate.
  32
  33         * emul_generic.c (emul_write2_status): New function to return
  34         results in r3 and r4 for Solaris system calls.
  35         (emul_do_system_call): If the system call is not support, but
  36         there is a string for the system call name, print out the string
  37         instead of the system call number.
  38
  39         * emul_generic.h (emul_write2_status): Declare it.
  40
  41         * emul_netbsd.c: Use /* */ around comment on #endif.
  42
  43         * os_emul.c: Include emul_unix.h.
  44         (os_emulations): Add emulations for Solaris, and Linux.
  45
  46         * psim.c (psim_usage): Add message about solaris, linux
  47         emulations.
  48
  49 Fri May 24 10:08:10 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  50
  51         * configure.in (AC_STRUCT_ST_{BLKSIZE,BLOCKS,RDEV}): Use these
  52         macros to determine whether or not the appropriate st_<xxx> fields
  53         exist in the stat structure.
  54         (AC_CHECK_FUNCS): Check for all unix system calls used, except for
  55         the real basic ones like open, read, write, etc.
  56         * config{.in,ure}: Regenerate.
  57
  58         * emul_netbsd.c: Add support for missing system calls, and/or
  59         missing stat fields.
  60         (MAXPATHLEN): Undefine if including unistd.h, since sys/param.h
  61         might define it.
  62
  63         * hw_pal.c (WITH_STDIO): Redefine if O_NDELAY, F_GETFL, or F_SETFL
  64         are not defined.
  65         (scan_hw_pal): Do not cause syntax error if O_NDELAY, F_GETFL, or
  66         F_SETFL not defined.
  67
  68 Tue May 21 17:24:45 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  69
  70         * emul_netbsd.c (write_stat): Don't convert st_blocks unless the
  71         host is netbsd.
  72
  73 Thu May 16 10:56:45 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  74
  75         * configure.in (AC_CHECK_HEADERS): Add sys/ioctl.h.
  76         * config{.in,ure}: Regenerate.
  77         * emul_netbsd.c: If HAVE_SYS_IOCTL_H is not defined, don't include
  78         sys/ioctl.h.
  79
  80 Tue May  7 17:28:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  81
  82         * hw_pal.c (hw_pal_instance_read_callback): Remove unused
  83         variable.
  84
  85         * misc.c ({,target_}a2i): Rewrite to not use strtoul.
  86
  87         * Makefile.in ({spreg,misc}.o): Add dependency on .c file.
  88         ({i,d}gen): Don't link in liberity.  Use BUILD_LIBS instead of
  89         LIBS.
  90
  91 Mon May  6 11:31:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  92
  93         * hw_pal.c (hw_pal_instance_read_callback): If using stdio, use
  94         fgets to read line.  If not using stdio, do a simple blocking read
  95         of len bytes.
  96
  97 Fri May  3 15:07:42 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
  98
  99         * Makefile.in: Correctly build simulator for build machine != host
 100         machine.
 101
 102 Tue Apr 30 18:46:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 103
 104         * configure.in (--enable-hostendian): Rework so the default uses
 105         the AC_C_BIGENDIAN results.  Only run AC_C_BIGENDIAN if not cross
 106         compiling.
 107         * configure: Regenerate.
 108
 109         * sim-endian.h: Add more tests for host endian to support more
 110         platforms in a cross compilation environment.
 111
 112 Wed Apr 17 14:38:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 113
 114         * hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
 115         use stdio, instead of unpended read/printf_filtered.
 116         (hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
 117         flush stdout after writing the characters.
 118
 119         * options.c (print_options): Print out WITH_STDIO.
 120
 121         * Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
 122         configuration variable.
 123         (CONFIG_CFLAGS): Include STDIO_CFLAGS.
 124         (hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
 125         files to contain directory pieces.
 126
 127         * std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
 128         should use stdio for console input.
 129         (WITH_STDIO): If not defined, define as DONT_USE_STDIO.
 130
 131         * configure.in (--enable-sim-stdio): Add new switch to control
 132         whether stdio is used for console I/O.
 133         * configure: Regenerate.
 134
 135         * interrupts.c (external_interrupt): Declare it to be
 136         INLINE_INTERRUPTS, not INLINE_CPU.
 137
 138 Mon Apr 15 23:30:56 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 139
 140         * events.c (insert_event_entry): Allow events to be scheduled
 141         *NOW* (at delta time 0).  Add assertions to clarify behavour of
 142         event queue.
 143
 144         * events.c (update_time_from_event): New function. Calculates the
 145         number of ticks from the next event.  Use this.
 146
 147 Sun Apr 14 21:39:45 1996  Andrew Cagney  <cagney@highland.com.au>
 148
 149         * emul_netbsd.c (do_break): Return 0 if success (instead of
 150         adjusted break).
 151
 152         * device_table.c (vm_ioctl_callback): Don't return adjusted break
 153         (isn't needed).
 154
 155 Sun Apr 14 21:32:41 1996  Andrew Cagney  <cagney@highland.com.au>
 156
 157         * device_table.h: Change type of the device ioctl so that it
 158         returns an int (status).
 159         * device.h (device_ioctl): Ditto.
 160         * device.c (device_ioctl): Ditto.
 161
 162         * device_table.c (stack_ioctl_callback): Return 0 status.
 163         (vm_ioctl_callback): Ditto
 164
 165 Thu Apr  4 20:58:05 1996  Andrew Cagney  <cagney@highland.com.au>
 166
 167         * interrupts.h (interrupts): New structure contains state of
 168         pending interrupts.
 169
 170         * cpu.c (cpu_interrupts): New function.  Pending interrupt status
 171         in the cpu and grant access to it.  Add interrupts to cpu
 172         structure.
 173
 174 Fri Mar 29 22:09:25 1996  Andrew Cagney  <cagney@highland.com.au>
 175
 176         * device.c (device_tree_add_parsed): Check that the creation of a
 177         device instance worked before using it.
 178
 179         * psim.c (psim_halt): Remove cia argument from psim_halt.  This
 180         function does not save the CIA so do not pass it in.
 181
 182 Fri Mar 29 21:30:56 1996  Andrew Cagney  <cagney@highland.com.au>
 183
 184         * hw_pal.c (hw_pal): Merge the halt and icu and console devices
 185         found in device_table.c into a single hack pal.
 186
 187         * device_table.c (halt, icu, console): Delete.
 188
 189         * Makefile.in (hw_pal.o): New dependency.
 190
 191         * emul_generic.c (emul_add_tree_hardware): Re-arange device tree
 192         so that it uses the pal instead of the icu/halt/console devices.
 193         Wire the pal's interrupt ports up to the cpu nodes.
 194
 195 Fri Mar 29 20:17:17 1996  Andrew Cagney  <cagney@highland.com.au>
 196
 197         * hw_iobus.c (hw_iobus_attach_address_callback): Move from
 198         device_table.c to here.
 199
 200         * Makefile.in (hw_iobus.o): New dependency.
 201
 202 Mon Mar 25 22:07:13 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 203
 204         * configure: Regenerate with autoconf 2.9.
 205
 206 Thu Mar 21 00:14:26 1996  Andrew Cagney  <cagney@highland.com.au>
 207
 208         * device_table.h: Always include string headers.
 209
 210 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 211
 212         * basics.h: Move the event queue's definition to here so that it
 213         can be refered to globally with out importing all of events.h.
 214
 215         * psim.h, psim.c (psim_event_queue): New function.  Grant access
 216         to the simulation event queue.  Will make this the single point of
 217         access (there is after all only one event queue in the
 218         simulation).
 219
 220         * cpu.c (cpu_create): Use psim_event_queue to obtain the event
 221         queue instead of it being passed in.  No longer allow access to
 222         the cpu's copy of the event queue.
 223
 224 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 225
 226         * events.h, events.c (event_handler): Remove event_queue from
 227         arguments passed to an event handler.  That argument is redundant
 228         - the `data' should refer to a data structure that contains the
 229         event queue if queing is needed.
 230
 231         * cpu.c (cpu_decrement_event): adjust
 232
 233         * events.c (event_queue_process): adjust
 234
 235 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 236
 237         * device.h, device.c (device_system): New, returns a handle for
 238         the system given the device.
 239
 240         * device.c (device_address_init): Store a pointer back to the
 241         system in each devices node.
 242
 243         * device_table.h: Don't pass `system' into each device when it is
 244         being initialized, this is now available using device_system(me).
 245
 246         * device.c (device_address_init, device_data_init): Adjust.
 247
 248         * hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
 249         Adjust.
 250
 251 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 252
 253         * interrupts.c (decrementer_interrupt, external_interrupt):
 254         Remember that an interrupt wasn't delivered so that it can be
 255         tried again later.
 256
 257         * interrupts.c (check_masked_interrupt): New function.  (re)
 258         checks for the posibility that a recent change to the MSR may have
 259         made it possible to deliver an interrupt that was previously
 260         masked be the EE bit.
 261
 262         * ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
 263         a pending interrupt being delivered using check_masked_interrupt().
 264
 265         * cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
 266         leaving it to that module to handle both interrupt synchronization
 267         and masking.
 268
 269         * cpu.c (struct _cpu): remove variables that were going to record
 270         pending decrementer and external interrupts.
 271
 272 Sun Mar 17 22:40:57 1996  Andrew Cagney  <cagney@highland.com.au>
 273
 274         * hw_cpu.c, hw_cpu.h: New files.  Implement a device that sits
 275         between the interrupt controller and the simulators internal
 276         processor model.  Maps device interrupts onto the processor
 277         interrupt function calls.
 278
 279 Mon Mar  4 06:06:54 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 280
 281         * hw_nvram.c: NVRAM device that includes a real-time clock that is
 282         updated each second.
 283
 284 Mon Mar  4 04:18:50 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 285
 286         * device.h (attach_type): Remove attach_default type address
 287         spaces.  Will replace with levels of callback memory.
 288
 289         * corefile.h, corefile.c (new_core_mapping), corefile.c
 290         (core_map_attach): Replace default attach with a layerd callback
 291         approach.
 292
 293 Sun Mar  3 03:58:46 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 294
 295         * device.c (split_property_specifier): ensure that only a single
 296         property is found.
 297         (split_value): New function, parses the value part of a device
 298         spec.
 299
 300         * device.c (device_tree_add_parsed): Use the interrupt conversion
 301         functions to determine the interrupt port numbers.
 302
 303         * device_table.h: Add table that maps between an interrupts
 304         symbolic name and its port number.
 305
 306         * device.h, device.c (device_interrupt_decode,
 307         device_interrupt_encode): new functions use the recently added
 308         interrupt port name/number tables to perform conversion.
 309
 310 Sun Mar  3 03:23:59 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 311
 312         * device.h, device.c (device_set_array_property,
 313         device_set_boolean_property, device_set_ihandle_property,
 314         device_set_integer_property, device_set_string_property): New
 315         functions - allow the value of a given property to be changed.
 316
 317         * device.h, device.c: Re-order declaration and definition of
 318         property functions.
 319
 320 Sun Mar  3 03:10:22 1996  Andrew Cagney  <cagney@kremvax.highland.com.au>
 321
 322         * device.c (device_tree_print_device, device_tree_add_parsed):
 323         Remove references to phandle properties.
 324
 325 Tue Feb 27 23:59:35 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 326
 327         * device_table.h: Revamp device init callbacks so that they are a
 328         sub structure.
 329         * device.c (device_init_data, device_init_address): If an init
 330         callback is NULL assume it should do nothing.
 331         * device_table.c (ignore_device_init, unimp_device_init): delete
 332         as redundant.
 333         * device_table.c, hw_memory.c: adjust.
 334
 335         * (io): ditto.
 336         * (dma): ditto.
 337         * (device_instance): ditto.
 338         * (ioctl): ditto.
 339         * (address nee config_address): ditto.
 340         * (interrupt): ditto.
 341
 342 Mon Feb 26 22:47:15 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 343
 344         * Makefile.in (hw.h, hw.c): New targets. Create from the list of
 345         hw_*.c files. hw.h declares a device descriptor table for each hw
 346         device while hw.c lists those tables in a form suitable for the
 347         construction of a top leveltable in device_table.c.
 348
 349         * Makefile.in (device_table.o): now depends on hw.c a generated
 350         table of hw.
 351
 352         * device_table.c (device_table): Re-arange the table of devices so
 353         that two levels are possible.  Make use of hw.c.
 354         * device_table.h: ditto.
 355
 356         * device.c (device_template_create_device): Handle new two level
 357         device lookup table.
 358         * device.c (device_usage): ditto.
 359
 360 Mon Feb 26 22:24:00 1996  Andrew Cagney - aka Noid  <cagney@highland.com.au>
 361
 362         * device_table.c: Delete the memory device (moved to hw_memory.c).
 363
 364         * hw_memory.c: New file.  Just an OpenBoot memory device.