3 * configure: Regenerate to track ../common/aclocal.m4 changes.
7 * interp.c (sim_open): New SIM_DESC result. Argument is now
9 (other sim_*): New SIM_DESC argument.
13 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
14 COMMON_{PRE,POST}_CONFIG_FRAG instead.
15 * configure.in: sinclude ../common/aclocal.m4.
16 * configure: Regenerated.
20 * configure configure.in Makefile.in: Update to new configure
21 scheme which is more compatible with WinGDB builds.
22 * configure.in: Improve comment on how to run autoconf.
23 * configure: Re-run autoconf to get new ../common/aclocal.m4.
24 * Makefile.in: Use autoconf substitution to install common
29 * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
34 * simops.c: Put ifdefs around things to make MSVC happy. Get rid
35 of unistd.h. Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
36 SYS_gettimeofday and SYS_utime from MSVC.
40 * simops.c (OP_10007E0): Know that kill encodes the signal number
41 via: 0xdead0000 | signal and turn it back into a signal.
45 * v850_sim.h (SIG_V850_EXIT): Define as -1.
47 * interp.c (sim_open): Cast calloc function.
48 (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
49 program exited with the appropriate exit code.
50 (sim_set_interrupt): Declare buildargv.
52 * simops.c (OP_10007E0): Make exit signal normal exit. Make time
53 type correct and work on big endian systems.
57 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
58 (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
59 * configure.in: Simplify using macros in ../common/aclocal.m4.
60 Call AC_CHECK_HEADERS(unistd.h).
61 * configure: Regenerated.
62 * config.in: New file.
63 * simops.c: #include "config.h". #include <unistd.h> if present.
67 * v850_sim.h (State): New slots dummy_mem, pending_nmi.
68 (EIPC, etc): New macros for system registers.
69 * simops.c, interp.c: Use everywhere.
71 * interp.c: Add support for interrupts issued by interrupt
72 generators, either PC- or time-based. Controlled by simulator
73 command "sim interrupt".
75 * interp.c: Add support for variable-size allocation of memory,
76 via simulator command "sim memory-map".
77 (map): Issue SIGSEGV for references to invalid memory regions.
81 * simops.c: Include <sys/time.h> for struct timeval and
86 * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
88 * simops.c (OP_10007E0): Handle SYS_time.
92 * simops.c: Include <sys/stat.h>.
93 (OP_10007E0): Handle SYS_stat.
97 * simops.c (OP_10007E0): Don't declare errno.
99 * simops.c (OP_500): Mask off low bit in displacement
103 * simops.c (OP_500): Fix displacement handling for sld.w.
104 (OP_501): Similarly for sst.w.
106 * simops.c (trace_input): Remove all references to SEXT7.
107 (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
108 is zero extended for sst/sld instructions.
109 * v850_sim.h (SEX7): Delete. It's no longer needed (and it
110 was incorrect anyway).
114 * Makefile.in: Get rid of srcroot. Set all INSTALL macros via
116 * gencode.c (write_opcodes): Pad operands field to account for
118 * simops.c: Include errno.h. Exclude SYS_chown, since MSVC
119 doesn't support it. (Why is this here in the first place?!?)
120 * v850_sim.h: Get rid of 64 bit defs. Also, get rid of #elif's.
121 Change number of operands in struct simops from 9 to 6. Define
122 SIGTRAP and SIGQUIT for MSVC.
126 * interp.c (MEM_SIZE): It's now bytes, not a power of 2.
127 * (map): Add support for external mem in the 1->2 meg range.
128 Also, abort() when memory access is way out of bounds. (Better to
129 die than to give wrong result. (This will be fixed later.))
130 * (sim_size): MEM_SIZE is now bytes, not shift factor.
134 * simops.c (trace_input): Swapped order of operands for output
135 output of OP_IMM_REG. Changed the fetching of the operands for
136 OP_LOAD32, and OP_STORE32 to work like op-function.
140 * interp.c: Move includes of remote-sim.h and callback.h to
142 * (lookup_hash): Add PC to report of hash failure.
143 * (map load_mem store_mem): New memory subsystem. Models V851
145 * (sim_write sim_read): Use new memory subsystem.
146 * (sim_resume): Don't load and save PC into EIPC anymore. Needed
147 to make user-defined traps work right.
148 * simops.c (OP_*): Use new memory subsystem.
149 * (OP_14007E0 (reti)): Implement reti.
150 * (OP_14996E0 (trap)): Implement user-defined traps. Move I/O to
151 trap 31. Use new memory subsystem.
152 * v850_sim.h: Prototypes for load_mem, store_mem and map. Use
153 load_mem in RLW macro.
157 * gencode.c (write_opcodes): Output hex values for opcode mask
159 * interp.c (sim_resume): Save and restore PC from the appropriate
161 * (sim_fetch_register sim_store_register): Fix byte-order problem
162 with reading and writing registers.
163 * simops.c (OP_FFFF): Implement pseudo-breakpoint insn.
167 * simops.c (trace_input): Fix thinko.
171 * simops.c (exec_bfd): Rename from sim_bfd.
172 (trace_input): Ditto.
176 * simops.c (trace_input): Use find_nearest_line to print line
177 number, function name or file name of PC.
181 * simops.c: Add tracing support. Use SEXTxx macros instead of
182 doing hardwired shifts.
184 * configure.in (--enable-sim-cflags): Add switch to add additional
185 flags to simulator buld. If --enable-sim-cflags=trace, turn on
187 * configure: Regenerate.
189 * Makefile.in: Don't require a VPATH capable make if configuring
190 in the same directory. Don't use CFLAGS for configuration flags.
191 Add flags from --enable-sim-cflags. Support canadian cross
192 builds. Rebuild whole simulator if include files change.
194 * interp.c (v850_debug): New global for debugging.
195 (lookup_hash,sim_size,sim_set_profile): Use
196 printf_filtered callback, instead of calling printf directly.
197 (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
199 * v850_sim.h: Use limits.h to set the various sized types.
200 (SEXT{5,7,16,22}): New macros.
204 * interp.c (hash): Make this an inline function
205 when compiling with GCC. Simplify.
206 * simpos.c: Explicitly include "sys/syscall.h". Remove
207 some #if 0'd code. Enable more emulated syscalls.
211 * interp.c: Fix sign bit handling for add and sub instructions.
215 * gencode.c: Fix various indention & style problems.
216 Remove test code. Remove #if 0 code.
217 * interp.c: Provide prototypes for all static functions.
218 Fix minor indention problems.
219 (sim_open, sim_resume): Remove unused variables.
220 (sim_read): Return type is "int".
221 * simops.c: Remove unused variables.
222 (divh): Make result of divide-by-zero zero.
223 (setf): Initialize result to keep compiler quiet.
224 (sar instructions): These just clear the overflow bit.
225 * v850_sim.h: Provide prototypes for put_byte, put_half
228 * interp.c: OP should be an array of 32bit operands!
229 (v850_callback): Declare.
230 (do_format_5): Fix extraction of OP[0].
231 (sim_size): Remove debugging printf.
232 (sim_set_callbacks): Do something useful.
233 (sim_stop_reason): Gross hacks to get c-torture running.
234 * simops.c: Simplify code for computing targets of bCC
235 insns. Invert 's' bit if 'ov' bit is set for some
236 instructions. Fix 'cy' bit handling for numerous
237 instructions. Make the simulator stop when a halt
238 instruction is encountered. Very crude support for
239 emulated syscalls (trap 0).
240 * v850_sim.h: Include "callback.h" and declare
241 v850_callback. Items in the operand array are 32bits.
245 * interp.c (sim_resume): Fix code to check for a format 3
247 * simops.c: bCC insns only argument is a constant, not a
248 register value (duh...)
252 * simops.c: Fix "not1" and "set1".
254 * simops.c: Don't forget to initialize temp for
257 * interp.c: Remove various debugging printfs.
259 * simops.c: Fix satadd, satsub boundary case handling.
261 * interp.c (hash): Fix.
262 * interp.c (do_format_8): Get operands correctly and
263 call the target function.
264 * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
268 * interp.c (do_format_4): Get operands correctly and
269 call the target function.
270 * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
271 "sst.h", and "sst.w".
273 * v850_sim.h: The V850 doesn't have split I&D spaces. Change
274 accordingly. Remove many unused definitions.
275 * interp.c: The V850 doesn't have split I&D spaces. Change
277 (get_longlong, get_longword, get_word): Deleted.
278 (write_longlong, write_longword, write_word): Deleted.
279 (get_operands): Deleted.
280 (get_byte, get_half, get_word): New functions.
281 (put_byte, put_half, put_word): New functions.
282 * simops.c: Remove unused functions. Rough cut at
283 "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
285 * v850_sim.h (struct _state): Remove "psw" field. Add
287 (PSW): Remove bogus definition.
288 * simops.c: Change condition code handling to use the psw
289 register within the sregs array. Handle "ldsr" and "stsr".
291 * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
293 * interp.c (do_format_5): Get operands correctly and
294 call the target function.
295 (sim_resume): Don't do a PC update for format 5 instructions.
296 * simops.c: Handle "jarl" and "jmp" instructions.
298 * simops.c: Fix minor typos. Handle "cmp", "setf", "tst"
299 "di", and "ei" instructions correctly.
301 * interp.c (do_format_3): Get operands correctly and call
303 * simops.c: Handle bCC instructions.
305 * simops.c: Add condition code handling to shift insns.
306 Fix minor typos in condition code handling for other insns.
308 * Makefile.in: Fix typo.
309 * simops.c: Add condition code handling to "sub" "subr" and
312 * interp.c (hash): Update to be more accurate.
313 (lookup_hash): Call hash rather than computing the hash
315 (do_format_1_2): Handle format 1 and format 2 instructions.
316 Get operands correctly and call the target function.
317 (do_format_6): Get operands correctly and call the target
319 (do_formats_9_10): Rough cut so shift ops will work.
320 (sim_resume): Tweak to deal with format 1 and format 2
321 handling in a single funtion. Don't update the PC
322 for format 3 insns. Fix typos.
323 * simops.c: Slightly reorganize. Add condition code handling
324 to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
325 and "not" instructions.
326 * v850_sim.h (reg_t): Registers are 32bits.
327 (_state): The V850 has 32 general registers. Add a 32bit
328 psw and pc register too. Add accessor macros
330 * Makefile.in, interp.c, v850_sim.h: Bring over endianness
331 changes from the d10v simulator.
333 * simops.c: Add shift support.
335 * simops.c: Add multiply & divide support. Abort for system
338 * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
339 and subr. No condition codes yet.
343 * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
344 gencode.c, interp.c, simops.c: Created.