sim/ppc/ChangeLog

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