1 Wed Oct 16 13:50:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
3 * simops.c (OP_5F00): Correct tracing of accumulators.
5 Tue Oct 15 10:57:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
7 * simops.c (OP_5F00): Add support for getpid, kill system calls.
9 * interp.c (do_{2_short,parallel}): If an exception is raised,
10 don't execute the second instruction.
12 Sat Oct 12 22:17:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
14 * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
15 temporary in case the register is overriden when loading.
16 (OP_6200): Output type is OP_DREG for tracing.
18 Fri Oct 4 23:46:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
20 * d10v_sim.h (struct _state): Add mem_{min,max} fields.
22 * interp.c (sim_size): Initialize mem_{min,max} fields.
23 (sim_write): Update mem_{min,max} fields.
24 (sim_resume): If PC is not in the minimum/maximum memory range,
26 (sim_create_inferior): Preserve mem_{min,max} fields.
28 Fri Sep 27 13:11:58 1996 Mark Alexander <marka@cygnus.com>
30 * simops.c (OP_5F00): Add support for time() system call.
32 Wed Sep 25 16:31:41 1996 Michael Meissner <meissner@tiktok.cygnus.com>
34 * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
36 (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
39 Mon Sep 23 17:55:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
41 * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
42 (trace_input_func): Add support for OP_{CONSTANT8,R2,R3}.
43 (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
44 to call/subroutine returns to trace the first two arguments and
45 the return value. For small jumps, use CONSTANT8, not CONSTANT16.
47 Fri Sep 20 15:36:45 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
49 * interp.c (sim_create_inferior): Reinitialize State every time
50 sim_create_inferior() is called.
52 Thu Sep 19 21:38:20 1996 Michael Meissner <meissner@wogglebug.ziplink.net>
54 * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
56 (OP_401): Fix tracing information.
58 Thu Sep 19 10:30:22 1996 Michael Meissner <meissner@tiktok.cygnus.com>
60 * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
61 (trace_input_func): Use them.
62 (trace_input_func): Make sure there is a trailing space after the
64 (OP_6200): Fix tracing info.
66 * Makefile.in (run): Add dependencies on libbfd.a and
69 Wed Sep 18 09:13:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
71 * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
72 numbers and function names in debug trace.
73 (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
75 (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
76 and exit system call trap being executed.
78 * interp.c (sim_stop_reason): Set exit code correctly for stop
79 instruction and exit system call trap.
81 * configure.in (--enable-sim-cflags): Remove trace case.
82 (--enable-sim-debug): New switch to set the debug values.
83 * configure: Regenerate.
85 * simops.c (trace_{input,output}_func): Rename from
87 (trace_{input,output}): Call trace_{input,output}_func if
88 d10v_debug is non-zero.
89 (SIZE_INSTRUCTION): Cut down to 8.
90 (SIZE_OPERANDS): Cut down to 18.
91 (SIZE_LOCATION): New value for size of line number, function name
93 (init_text_p,text{,_start,_end}): New static variables for
94 printing line number and function name.
95 (exec_bfd): New external that run.c sets.
96 (trace_input_func): Print line number and function name if
97 available and if desired.
98 (OP_4E09): Don't print out DBT message.
99 (OP_5FE0): Set exception field to SIG_D10V_STOP.
100 (OP_5F00): Set exception field to SIG_D10V_EXIT.
102 Sat Sep 14 22:18:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
104 * interp.c (do_2_short): If the instruction encodes jump->ins,
105 don't do the second instruction if the jump succeeds.
107 Fri Sep 13 22:35:19 1996 Michael Meissner <meissner@tiktok.cygnus.com>
109 * simops.c (OP_5F00): Use unknown traps to print all GPRs,
110 accumulators, PC, and F0/F1/C flags.
112 Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
114 * simops.c (OP_5F00): Fix problems with system calls.
116 Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
118 * simops.c (OP_5F00): Correct tracing information for trap.
120 Wed Sep 11 18:55:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
122 * Makefile.in (CSEARCH): Correctly find opcodes directory.
124 Mon Sep 9 13:27:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
126 * simops.c (trace_output): Properly align accumulator output.
127 (OP_3{0,2,4}00): Properly parenthesize test expression. Add error
128 if shift count is too high.
129 (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
130 (OP_4E09): Make cpfg properly trace the input flags.
131 (op_types): Add OP_FLAG_OUTPUT.
132 (trace_{input,output}): Support OP_FLAG_OUTPUT.
133 (OP_31000000): This ld2w varient is a 16-bit memory reference, not
134 an 8-bit memory reference instruction for tracing purposes.
135 (OP_201): Addi needs to set the carry.
137 Fri Sep 6 17:56:17 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
139 * simops.c (OP_2600, OP_2601): Changed min and max comparisons
140 to use signed register values.
142 Wed Sep 4 11:35:17 1996 Michael Meissner <meissner@tiktok.cygnus.com>
144 * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
146 (_ins_type): New enumeration to specify which container an
147 instruction is in, and whether it is part of a parallel operation.
148 (_state): Add ins_type field.
149 ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
150 (ins_type_counters): Counters for the various instruction types.
151 ({left,right}_nops): Counters for the number of nops in each
153 (d10v_debug): New variable to indicate whether debugging is turned
156 * simops.c: (all functions): Change all #ifdef DEBUG code so that
157 the input and output values can be traced, along with the
158 instruction type. Make the -t option enable tracing.
159 (all functions): Change printf calls to use the printf_filtered
160 function in the callback table.
162 * interp.c (_leftright): New enumeration to say whether 2 short
163 instructions are done left first or right first.
164 (do_{long,2_short,parallel}): Indicate in the machine state which
165 type of instruction this is. Count each of the types of
166 instructions executed.
167 (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
169 (sim_resume): Pass left/right indication to do_2_short.
170 (all functions): Change printf calls to use the printf_filtered
171 function in the callback table.
172 (sim_trace): Turn on debug flag if DEBUG was defined, and call
174 (sim_info): Print out statistics on instructions.
175 (sim_{trace,create_inferior}): Eliminate extraneous output unless
177 (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
178 Only initialize the hash table the first time sim_open is called.
180 * Makefile.in: Make objects depend on d10v_sim.h.
181 ({,SIM_}CFLAGS): Include configure dependent switches. Setting
182 CFLAGS does not override host/target defines or SIM_CFLAGS.
183 (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
184 (run): By default, the math library is not needed to be linked
186 ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
188 (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
190 ({run,callback}.o): Provide explicit paths to their appropriate
192 (gencode{,.o},d10v-opc.o): Split compilation into creating object
193 and linking. Instead of linking in libopcodes.a, just compile
194 d10v-opc.o directly to handle canadian cross.
195 (CSEARCH): Add opcodes directory.
197 * configure.in (--enable-sim-cflags): New switch to allow user to
199 (CC_FOR_BUILD): Deal with canadian crosses.
200 * configure: Regenerate.
202 Wed Sep 04 04:45:34 1996 Mark Alexander <marka@cygnus.com>
204 * simops.c: Include correct syscall.h for d10v, not host's.
207 Tue Sep 3 14:00:04 1996 Michael Meissner <meissner@tiktok.cygnus.com>
209 * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
210 Add trap 2 to be printf and trap 3 to be putchar.
212 Wed Aug 28 21:42:34 1996 Mark Alexander <marka@cygnus.com>
214 * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
215 for low-level system calls.
217 Wed Aug 28 17:33:19 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
219 * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
221 Mon Aug 26 18:30:28 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
223 * d10v_sim.h (SEXT32): Added.
224 * interp.c: Commented out printfs.
225 * simops.c: Fixed error in sb and st2w.
227 Thu Aug 15 13:30:03 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
229 * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
230 DSP instructions. Added modulo addressing.
232 Sun Aug 11 12:57:15 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
234 * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
236 Fri Aug 2 17:44:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
238 * d10v_sim.h, simops.c: Snapshot.
240 Thu Aug 1 17:05:24 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
242 * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
243 gencode.c, interp.c, simops.c: Created.