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Commit | Line | Data |
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1 | 2017-02-14 Jim Wilson <jim.wilson@linaro.org> | |
2 | ||
3 | * simulator.c (do_vec_bit): Change loop limits from 16 and 8 to 4 and | |
4 | 2. Move test_false if inside loop. Fix logic for computing result | |
5 | stored to vd. | |
6 | ||
7 | * simulator.c: (LDn_STn_SINGLE_LANE_AND_SIZE): New. | |
8 | (do_vec_LDn_single, do_vec_STn_single): New. | |
9 | (do_vec_LDnR): Add and set new nregs var. Replace switch on nregs with | |
10 | loop over nregs using new var n. Add n times size to address in loop. | |
11 | Add n to vd in loop. | |
12 | (do_vec_load_store): Add comment for instruction bit 24. New var | |
13 | single to hold instruction bit 24. Add new code to use single. Move | |
14 | ldnr support inside single if statements. Fix ldnr register counts | |
15 | inside post if statement. Change HALT_NYI calls to HALT_UNALLOC. | |
16 | ||
17 | 2017-01-23 Jim Wilson <jim.wilson@linaro.org> | |
18 | ||
19 | * simulator.c (do_vec_compare): Add case 0x23 for CMTST. | |
20 | ||
21 | 2017-01-17 Jim Wilson <jim.wilson@linaro.org> | |
22 | ||
23 | * simulator.c (do_vec_ADDV): Call aarch64_set_vec_u64 instead of | |
24 | aarch64_set_reg_u64. In case 2, call HALT_UNALLOC if not full. In | |
25 | case 3, call HALT_UNALLOC unconditionally. | |
26 | (do_vec_XTN): Delete shifts. In case 2, change index from i + 4 to | |
27 | i + 2. Delete if on bias, change index to i + bias * X. | |
28 | ||
29 | 2017-01-09 Jim Wilson <jim.wilson@linaro.org> | |
30 | ||
31 | * simulator.c (do_vec_UZP): Rewrite. | |
32 | ||
33 | 2017-01-04 Jim Wilson <jim.wilson@linaro.org> | |
34 | ||
35 | * cpustate.c: Include math.h. | |
36 | (aarch64_set_FP_float): Use signbit to check for signed zero. | |
37 | (aarch64_set_FP_double): Likewise. | |
38 | * simulator.c (do_vec_MOV_immediate, case 0x8): Add missing break. | |
39 | (do_vec_mul): In all DO_VEC_WIDENING_MUL calls, make second and fourth | |
40 | args same size as third arg. | |
41 | (fmaxnm): Use isnan instead of fpclassify. | |
42 | (fminnm, dmaxnm, dminnm): Likewise. | |
43 | (do_vec_MLS): Reverse order of subtraction operands. | |
44 | (dexSimpleFPCondSelect): Call aarch64_get_FP_double or | |
45 | aarch64_get_FP_float to get source register contents. | |
46 | (UINT_MIN, ULONG_MIN, FLOAT_UINT_MAX, FLOAT_UINT_MIN, | |
47 | DOUBLE_UINT_MAX, DOUBLE_UINT_MIN, FLOAT_ULONG_MAX, FLOAT_ULONG_MIN, | |
48 | DOUBLE_ULONG_MAX, DOUBLE_ULONG_MIN): New. | |
49 | (do_fcvtzu): Use ULONG instead of LONG, and UINT instead of INT in | |
50 | raise_exception calls. | |
51 | ||
52 | 2016-12-21 Jim Wilson <jim.wilson@linaro.org> | |
53 | ||
54 | * simulator.c (set_flags_for_float_compare): Add code to handle Inf. | |
55 | Add comment to document NaN issue. | |
56 | (set_flags_for_double_compare): Likewise. | |
57 | ||
58 | 2016-12-13 Jim Wilson <jim.wilson@linaro.org> | |
59 | ||
60 | * simulator.c (NEG, POS): Move before set_flags_for_add64. | |
61 | (set_flags_for_add64): Replace with a modified copy of | |
62 | set_flags_for_sub64. | |
63 | ||
64 | 2016-12-03 Jim Wilson <jim.wilson@linaro.org> | |
65 | ||
66 | * simulator.c (tbnz, tbz): Cast 1 to uint64_t before shifting. | |
67 | (dexTestBranchImmediate): Shift high bit of pos by 5 not 4. | |
68 | ||
69 | 2016-12-01 Jim Wilson <jim.wilson@linaro.org> | |
70 | ||
71 | * simulator.c (fsturs): Switch use of rn and st variables. | |
72 | (fsturd, fsturq): Likewise | |
73 | ||
74 | 2016-08-15 Mike Frysinger <vapier@gentoo.org> | |
75 | ||
76 | * interp.c: Include bfd.h. | |
77 | (symcount, symtab, aarch64_get_sym_value): Delete. | |
78 | (remove_useless_symbols): Change count type to long. | |
79 | (aarch64_get_func): Add SIM_DESC to arg list. Add symcount | |
80 | and symtab local variables. | |
81 | (sim_create_inferior): Delete storage. Replace symbol code | |
82 | with a call to trace_load_symbols. | |
83 | * memory.c: Delete bfd.h, elf/internal.h, and elf/common.h | |
84 | includes. | |
85 | (aarch64_get_heap_start): Change aarch64_get_sym_value to | |
86 | trace_sym_value. | |
87 | * memory.h: Delete bfd.h include. | |
88 | (mem_add_blk): Delete unused prototype. | |
89 | * simulator.c (bl, blr): Pass SIM_DESC to aarch64_get_func. | |
90 | * simulator.c (aarch64_get_func): Add SIM_DESC to arg list. | |
91 | (aarch64_get_sym_value): Delete. | |
92 | ||
93 | 2016-08-12 Nick Clifton <nickc@redhat.com> | |
94 | ||
95 | * simulator.c (aarch64_step): Revert pervious delta. | |
96 | (aarch64_run): Call sim_events_tick after each | |
97 | instruction is simulated, and if necessary call | |
98 | sim_events_process. | |
99 | * simulator.h: Revert previous delta. | |
100 | ||
101 | 2016-08-11 Nick Clifton <nickc@redhat.com> | |
102 | ||
103 | * interp.c (sim_create_inferior): Allow for being called with a | |
104 | NULL abfd parameter. If a bfd is provided, initialise the sim | |
105 | with that start address. | |
106 | * simulator.c (HALT_NYI): Just print out the numeric value of the | |
107 | instruction when not tracing. | |
108 | (aarch64_step): Change from static to global. | |
109 | * simulator.h: Add a prototype for aarch64_step(). | |
110 | ||
111 | 2016-07-27 Alan Modra <amodra@gmail.com> | |
112 | ||
113 | * memory.c: Don't include libbfd.h. | |
114 | ||
115 | 2016-07-21 Nick Clifton <nickc@redhat.com> | |
116 | ||
117 | * simulator.c (fsqrts): Use sqrtf rather than sqrt. | |
118 | ||
119 | 2016-06-30 Jim Wilson <jim.wilson@linaro.org> | |
120 | ||
121 | * cpustate.h: Include config.h. | |
122 | (union GRegisterValue): Add WORDS_BIGENDIAN check. For big endian code | |
123 | use anonymous structs to align members. | |
124 | * simulator.c (aarch64_step): Use sim_core_read_buffer and | |
125 | endian_le2h_4 to read instruction from pc. | |
126 | ||
127 | 2016-05-06 Nick Clifton <nickc@redhat.com> | |
128 | ||
129 | * simulator.c (do_FMLA_by_element): New function. | |
130 | (do_vec_op2): Call it. | |
131 | ||
132 | 2016-04-27 Nick Clifton <nickc@redhat.com> | |
133 | ||
134 | * simulator.c: Add TRACE_DECODE statements to all emulation | |
135 | functions. | |
136 | ||
137 | 2016-03-30 Nick Clifton <nickc@redhat.com> | |
138 | ||
139 | * cpustate.c (aarch64_set_reg_s32): New function. | |
140 | (aarch64_set_reg_u32): New function. | |
141 | (aarch64_get_FP_half): Place half precision value into the correct | |
142 | slot of the union. | |
143 | (aarch64_set_FP_half): Likewise. | |
144 | * cpustate.h: Add prototypes for aarch64_set_reg_s32 and | |
145 | aarch64_set_reg_u32. | |
146 | * memory.c (FETCH_FUNC): Cast the read value to the access type | |
147 | before converting it to the return type. Rename to FETCH_FUNC64. | |
148 | (FETCH_FUNC32): New macro. Duplicates FETCH_FUNC64 but for 32-bit | |
149 | accesses. Use for 32-bit memory access functions. | |
150 | * simulator.c (ldrsb_wb): Use sign extension not zero extension. | |
151 | (ldrb_scale_ext, ldrsh32_abs, ldrsh32_wb): Likewise. | |
152 | (ldrsh32_scale_ext, ldrsh_abs, ldrsh64_wb): Likewise. | |
153 | (ldrsh_scale_ext, ldrsw_abs): Likewise. | |
154 | (ldrh32_abs): Store 32 bit value not 64-bits. | |
155 | (ldrh32_wb, ldrh32_scale_ext): Likewise. | |
156 | (do_vec_MOV_immediate): Fix computation of val. | |
157 | (do_vec_MVNI): Likewise. | |
158 | (DO_VEC_WIDENING_MUL): New macro. | |
159 | (do_vec_mull): Use new macro. | |
160 | (do_vec_mul): Use new macro. | |
161 | (do_vec_MLA): Read values before writing. | |
162 | (do_vec_xtl): Likewise. | |
163 | (do_vec_SSHL): Select correct shift value. | |
164 | (do_vec_USHL): Likewise. | |
165 | (do_scalar_UCVTF): New function. | |
166 | (do_scalar_vec): Call new function. | |
167 | (store_pair_u64): Treat reads of SP as reads of XZR. | |
168 | ||
169 | 2016-03-29 Nick Clifton <nickc@redhat.com> | |
170 | ||
171 | * cpustate.c: Remove space after asterisk in function parameters. | |
172 | * decode.h (greg): Delete unused function. | |
173 | (vreg, shift, extension, scaling, writeback, condcode): Likewise. | |
174 | * simulator.c: Use INSTR macro in more places. | |
175 | (HALT_NYI): Use sim_io_eprintf in place of fprintf. | |
176 | Remove extraneous whitespace. | |
177 | ||
178 | 2016-03-23 Nick Clifton <nickc@redhat.com> | |
179 | ||
180 | * cpustate.c (aarch64_get_FP_half): New function. Read a vector | |
181 | register as a half precision floating point number. | |
182 | (aarch64_set_FP_half): New function. Similar, but for setting | |
183 | a half precision register. | |
184 | (aarch64_get_thread_id): New function. Returns the value of the | |
185 | CPU's TPIDR register. | |
186 | (aarch64_get_FPCR): New function. Returns the value of the CPU's | |
187 | floating point control register. | |
188 | (aarch64_set_FPCR): New function. Set the value of the CPU's FPCR | |
189 | register. | |
190 | * cpustate.h: Add prototypes for new functions. | |
191 | * sim-main.h (struct _sim_cpu): Add FPCR and tpidr fields. | |
192 | * memory.c: Use unaligned core access functions for all memory | |
193 | reads and writes. | |
194 | * simulator.c (HALT_NYI): Generate an error message if tracing | |
195 | will not tell the user why the simulator is halting. | |
196 | (HALT_UNREACHABLE): Delete. Delete (unneeded) uses of the macro. | |
197 | (INSTR): New time-saver macro. | |
198 | (fldrb_abs): New function. Loads an 8-bit value using a scaled | |
199 | offset. | |
200 | (fldrh_abs): New function. Likewise for 16-bit values. | |
201 | (do_vec_SSHL): Allow for negative shift values. | |
202 | (do_vec_USHL): Likewise. | |
203 | (do_vec_SHL): Correct computation of shift amount. | |
204 | (do_vec_SSHR_USHR): Correct decision of signed vs unsigned | |
205 | shifts and computation of shift value. | |
206 | (clz): New function. Counts leading zero bits. | |
207 | (do_vec_CLZ): New function. Implements CLZ (vector). | |
208 | (do_vec_MOV_element): Call do_vec_CLZ. | |
209 | (dexSimpleFPCondCompare): Implement. | |
210 | (do_FCVT_half_to_single): New function. Implements one of the | |
211 | FCVT operations. | |
212 | (do_FCVT_half_to_double): New function. Likewise. | |
213 | (do_FCVT_single_to_half): New function. Likewise. | |
214 | (do_FCVT_double_to_half): New function. Likewise. | |
215 | (dexSimpleFPDataProc1Source): Call new FCVT functions. | |
216 | (do_scalar_SHL): Handle negative shifts. | |
217 | (do_scalar_shift): Handle SSHR. | |
218 | (do_scalar_USHL): New function. | |
219 | (do_double_add): Simplify to just performing a double precision | |
220 | add operation. Move remaining code into... | |
221 | (do_scalar_vec): ... New function. | |
222 | (dexLoadUnsignedImmediate): Call new fldrb_abs and fldrh_abs | |
223 | functions. | |
224 | (system_get): Add support for TPIDR, CTR, FPCR, FPSR and CPSR | |
225 | registers. | |
226 | (system_set): New function. | |
227 | (do_MSR_immediate): New function. Stub for now. | |
228 | (do_MSR_reg): New function. Likewise. Partially implements MSR | |
229 | instruction. | |
230 | (do_SYS): New function. Stub for now, | |
231 | (dexSystem): Call new functions. | |
232 | ||
233 | 2016-03-18 Nick Clifton <nickc@redhat.com> | |
234 | ||
235 | * cpustate.c: Remove spurious spaces from TRACE strings. | |
236 | Print hex equivalents of floats and doubles. | |
237 | Check element number against array size when accessing vector | |
238 | registers. | |
239 | (GET_VEC_ELEMENT): Fix off by one error checking for an invalid | |
240 | element index. | |
241 | (SET_VEC_ELEMENT): Likewise. | |
242 | (GET_VEC_ELEMENT): And fix thinko using macro arguments. | |
243 | ||
244 | * memory.c: Trace memory reads when --trace-memory is enabled. | |
245 | Remove float and double load and store functions. | |
246 | * memory.h (aarch64_get_mem_float): Delete prototype. | |
247 | (aarch64_get_mem_double): Likewise. | |
248 | (aarch64_set_mem_float): Likewise. | |
249 | (aarch64_set_mem_double): Likewise. | |
250 | * simulator (IS_SET): Always return either 0 or 1. | |
251 | (IS_CLEAR): Likewise. | |
252 | (fldrs_pcrel): Load and store floats using 32-bit memory accesses | |
253 | and doubles using 64-bit memory accesses. | |
254 | (fldrd_pcrel, fldrs_wb, fldrs_abs, fldrs_scale_ext): Likewise. | |
255 | (fldrd_wb, fldrd_abs, fsturs, fsturd, fldurs, fldurd): Likewise. | |
256 | (fstrs_abs, fstrs_wb, fstrs_scale_ext, fstrd_abs): Likewise. | |
257 | (fstrd_wb, fstrd_scale_ext, store_pair_float): Likewise. | |
258 | (store_pair_double, load_pair_float, load_pair_double): Likewise. | |
259 | (do_vec_MUL_by_element): New function. | |
260 | (do_vec_op2): Call do_vec_MUL_by_element. | |
261 | (do_scalar_NEG): New function. | |
262 | (do_double_add): Call do_scalar_NEG. | |
263 | ||
264 | 2016-03-03 Nick Clifton <nickc@redhat.com> | |
265 | ||
266 | * simulator.c (set_flags_for_sub32): Correct type of signbit. | |
267 | (CondCompare): Swap interpretation of bit 30. | |
268 | (DO_ADDP): Delete macro. | |
269 | (do_vec_ADDP): Copy source registers before starting to update | |
270 | destination register. | |
271 | (do_vec_FADDP): Likewise. | |
272 | (do_vec_load_store): Fix computation of sizeof_operation. | |
273 | (rbit64): Fix type of constant. | |
274 | (aarch64_step): When displaying insn value, display all 32 bits. | |
275 | ||
276 | 2016-01-10 Mike Frysinger <vapier@gentoo.org> | |
277 | ||
278 | * config.in, configure: Regenerate. | |
279 | ||
280 | 2016-01-10 Mike Frysinger <vapier@gentoo.org> | |
281 | ||
282 | * configure: Regenerate. | |
283 | ||
284 | 2016-01-10 Mike Frysinger <vapier@gentoo.org> | |
285 | ||
286 | * configure.ac (SIM_AC_OPTION_ENVIRONMENT): Delete call. | |
287 | * configure: Regenerate. | |
288 | ||
289 | 2016-01-10 Mike Frysinger <vapier@gentoo.org> | |
290 | ||
291 | * configure: Regenerate. | |
292 | ||
293 | 2016-01-10 Mike Frysinger <vapier@gentoo.org> | |
294 | ||
295 | * configure: Regenerate. | |
296 | ||
297 | 2016-01-10 Mike Frysinger <vapier@gentoo.org> | |
298 | ||
299 | * configure.ac (SIM_AC_OPTION_INLINE): Delete call. | |
300 | * configure: Regenerate. | |
301 | ||
302 | 2016-01-10 Mike Frysinger <vapier@gentoo.org> | |
303 | ||
304 | * configure: Regenerate. | |
305 | ||
306 | 2016-01-10 Mike Frysinger <vapier@gentoo.org> | |
307 | ||
308 | * configure: Regenerate. | |
309 | ||
310 | 2016-01-09 Mike Frysinger <vapier@gentoo.org> | |
311 | ||
312 | * config.in, configure: Regenerate. | |
313 | ||
314 | 2016-01-06 Mike Frysinger <vapier@gentoo.org> | |
315 | ||
316 | * interp.c (sim_create_inferior): Mark argv and env const. | |
317 | (sim_open): Mark argv const. | |
318 | ||
319 | 2016-01-05 Mike Frysinger <vapier@gentoo.org> | |
320 | ||
321 | * interp.c: Delete dis-asm.h include. | |
322 | (info, opbuf, op_printf, aarch64_print_insn, sim_dis_read): Delete. | |
323 | (sim_create_inferior): Delete disassemble init logic. | |
324 | (OPTION_DISAS, aarch64_option_handler, aarch64_options): Delete. | |
325 | (sim_open): Delete sim_add_option_table call. | |
326 | * memory.c (mem_error): Delete disas check. | |
327 | * simulator.c: Delete dis-asm.h include. | |
328 | (disas): Delete. | |
329 | (HALT_UNALLOC): Replace disassembly logic with TRACE_DISASM. | |
330 | (HALT_NYI): Likewise. | |
331 | (handle_halt): Delete disas call. | |
332 | (aarch64_step): Replace disas logic with TRACE_DISASM. | |
333 | * simulator.h: Delete dis-asm.h include. | |
334 | (aarch64_print_insn): Delete. | |
335 | ||
336 | 2016-01-04 Mike Frysinger <vapier@gentoo.org> | |
337 | ||
338 | * simulator.c (MAX, MIN): Delete. | |
339 | (do_vec_maxv): Change MAX to max and MIN to min. | |
340 | (do_vec_fminmaxV): Likewise. | |
341 | ||
342 | 2016-01-04 Tristan Gingold <gingold@adacore.com> | |
343 | ||
344 | * simulator.c: Remove syscall.h include. | |
345 | ||
346 | 2016-01-04 Mike Frysinger <vapier@gentoo.org> | |
347 | ||
348 | * configure: Regenerate. | |
349 | ||
350 | 2016-01-03 Mike Frysinger <vapier@gentoo.org> | |
351 | ||
352 | * configure.ac (SIM_AC_OPTION_HOSTENDIAN): Delete. | |
353 | * configure: Regenerate. | |
354 | ||
355 | 2016-01-02 Mike Frysinger <vapier@gentoo.org> | |
356 | ||
357 | * configure: Regenerate. | |
358 | ||
359 | 2015-12-27 Mike Frysinger <vapier@gentoo.org> | |
360 | ||
361 | * interp.c (sim_dis_read): Change private_data to application_data. | |
362 | (sim_create_inferior): Likewise. | |
363 | ||
364 | 2015-12-27 Mike Frysinger <vapier@gentoo.org> | |
365 | ||
366 | * Makefile.in (SIM_OBJS): Delete sim-hload.o. | |
367 | ||
368 | 2015-12-26 Mike Frysinger <vapier@gentoo.org> | |
369 | ||
370 | * config.in, configure: Regenerate. | |
371 | ||
372 | 2015-12-26 Mike Frysinger <vapier@gentoo.org> | |
373 | ||
374 | * interp.c (sim_create_inferior): Update comment and argv check. | |
375 | ||
376 | 2015-12-14 Nick Clifton <nickc@redhat.com> | |
377 | ||
378 | * simulator.c (system_get): New function. Provides read | |
379 | access to the dczid system register. | |
380 | (do_mrs): New function - implements the MRS instruction. | |
381 | (dexSystem): Call do_mrs for the MRS instruction. Halt on | |
382 | unimplemented system instructions. | |
383 | ||
384 | 2015-11-24 Nick Clifton <nickc@redhat.com> | |
385 | ||
386 | * configure.ac: New configure template. | |
387 | * aclocal.m4: Generate. | |
388 | * config.in: Generate. | |
389 | * configure: Generate. | |
390 | * cpustate.c: New file - functions for accessing AArch64 registers. | |
391 | * cpustate.h: New header. | |
392 | * decode.h: New header. | |
393 | * interp.c: New file - interface between GDB and simulator. | |
394 | * Makefile.in: New makefile template. | |
395 | * memory.c: New file - functions for simulating aarch64 memory | |
396 | accesses. | |
397 | * memory.h: New header. | |
398 | * sim-main.h: New header. | |
399 | * simulator.c: New file - aarch64 simulator functions. | |
400 | * simulator.h: New header. |