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315 commits

Author SHA1 Message Date
MerryMage
69a1d58a2b A32: Implement ASIMD VMULL 2020-06-21 10:00:24 +01:00
MerryMage
70d071e6ab fuzz_arm: Test large random blocks 2020-06-21 00:41:54 +01:00
MerryMage
214c1d6002 fuzz_arm: Test testable parts of ASIMD VRECPE and VRSQRTE 2020-06-20 15:17:39 +01:00
MerryMage
92cb4a5a34 A32: Implement ASIMD VRSQRTE 2020-06-20 15:13:22 +01:00
MerryMage
8912496206 fuzz_arm: Unicorn has incorrect VRSQRTS implementation 2020-06-20 15:07:50 +01:00
MerryMage
6f59c2cd8e A32: Implement ASIMD VRECPE 2020-06-20 15:07:06 +01:00
MerryMage
d3dc50d718 A32: Implement ASIMD VRSQRTS 2020-06-20 15:06:06 +01:00
MerryMage
f58e247ef3 A32: Implement ASIMD VPADD (floating-point) 2020-06-20 14:25:04 +01:00
Lioncash
ed6ca58058 A32: Implement ASIMD VCEQ, VCGE, VCGT, VCLE, VCLT with zero 
Fairly self-explanatory, we can leverage the existing IR functions for
the purpose of these instructions.

In the integer case, we can just insert function pointers
into an array and index it, given all comparison primitives exist
already for the integer side of things.
 2020-06-20 00:50:40 +01:00
MerryMage
7402d38675 test_arm_instructions: Add vclt.f32 (zero) test 2020-06-18 17:59:44 +01:00
MerryMage
9f3277540a Merge A32 and A64 exclusive monitors 2020-06-17 10:33:09 +01:00
Lioncash
9b06a938a9 fuzz_arm: Ignore endian bit 
A recent change from Qemu (268b1b3dfbb92a9348406f728a33f39e3d8dcd8)
allows user space modification of the E bit.
 2020-06-16 01:53:21 +01:00
MerryMage
2796a85096 interface/a32: Remove descriptor argument from Disassemble 2020-06-12 15:27:42 +01:00
MerryMage
e953f67201 emit_x64_packed: PackedAbsDiffSumS8: Fix case when bits above the lower 32 bits are not zero 2020-06-12 15:24:09 +01:00
MerryMage
d0d50c4824 print_info: Use VFP and ASIMD decoders to get dynarmic name for instruction 2020-05-17 22:48:14 +01:00
MerryMage
d0075f4ea6 print_info: Use LLVM to disassemble A32 2020-05-17 22:30:46 +01:00
MerryMage
1a0bc5ba91 A32/ASIMD: ARMv8: Implement VLD{1-4} (multiple) 2020-05-16 14:11:23 +01:00
MerryMage
e7f1a0d408 A32: ARMv8: Implement LDA{,EX}{,B,D,H} and STL{,EX}{,B,D,H} 2020-05-15 21:07:36 +01:00
Lioncash
8808b8c479 cpu_info: Make test non-allocating 
Same behavior, but makes it non-allocating by using a constexpr
std::array instead of a std::vector.
 2020-05-12 09:52:55 +01:00
MerryMage
7f77a04900 fuzz_arm: Do not test vfp_VMRS 
This may emit a vmrs *, fpscr instruction.
This results in fuzz failures due to slight inaccuracies in fpscr emulation.
 2020-05-10 14:47:21 +01:00
MerryMage
6df660c889 fuzz_arm: Ensure all instructions are fuzzed 
* VFP instructions were not getting fuzzed due to matching coprocessor instructions (as invalid instructions)
* Fix VPOP writeback for doubles when (imm8 & 1) == 1
* Do not accidentally fuzz unimplemented unconditional instructions
 2020-05-10 13:57:39 +01:00
Fernando Sahmkow
97b9d3e058 Exclusive Monitor: Rework exclusive monitor interface. 2020-05-03 01:40:37 +01:00
MerryMage
d86a6f2211 print_info: Print IR for A32 instructions 2020-04-29 15:33:56 +01:00
MerryMage
8498ac34d5 fuzz_with_unicorn: Print IR 2020-04-29 15:33:38 +01:00
MerryMage
24229ab899 constant_propagation_pass: Don't fold add if we nee flags 
Results in incorrect flags
 2020-04-29 15:33:12 +01:00
MerryMage
94d0d33e02 Fix single stepping for certain instructions 
Several issues:
1. Several terminal instructions did not stop at the end of a single-step block
2. x64 backend for the A32 frontend sometimes polluted upper_location_descriptor with the single-stepping flag

We also introduce the enable_optimizations parameter to the A32 frontend.
 2020-04-24 11:44:38 +01:00
MerryMage
0d041696f5 tests/a64: Reminder about hidden infinite loops 2020-04-23 18:11:45 +01:00
MerryMage
a8a712c801 Relicense to 0BSD 2020-04-23 15:45:57 +01:00
MerryMage
976edaf2d2 print_info: Add optimized IR output for A64 2020-04-22 21:06:18 +01:00
MerryMage
7c917f1c12 CMakeLists: Add DYNARMIC_FRONTENDS option 
Allows library user to select which frontends to enable
 2020-04-22 21:06:18 +01:00
MerryMage
668a43f815 A32: Detect unpredictable LDM/STM instructions 2020-04-22 21:06:18 +01:00
MerryMage
5ea3fe58c6 fuzz_with_unicorn: Add large random block testing 2020-04-22 21:06:18 +01:00
MerryMage
81fcb4e537 mp: Migrate to shared version of mp library 2020-04-22 21:06:17 +01:00
MerryMage
5d93e6e580 print_info: Add -exec parameter to test execution 2020-04-22 21:04:24 +01:00
MerryMage
a59c335b05 A64: Add options for detecting misaligned loads and stores 2020-04-22 21:04:23 +01:00
MerryMage
cb971d3280 test_arm_instruction: Revive some old tests 2020-04-22 21:04:23 +01:00
MerryMage
39bd2c034d constant_propagation_pass: Handle GetCarryFromOp for MostSignificantWord 2020-04-22 21:04:23 +01:00
MerryMage
1aa7b62e92 A32/Thumb: Correct behaviour for UDF and Unpredictable instructions 
Raise an exception instead of calling the interpreter and ASSERT-ing respectively.
 2020-04-22 21:04:23 +01:00
MerryMage
c7d20f3f2f fuzz_arm: Test MSR and MRS instructions against unicorn 
* Add always_little_endian option to mach unicorn behavior.
* Correct CPSR.Mode = Usermode
 2020-04-22 21:04:23 +01:00
MerryMage
39ab7cb643 print_info: Add support for printing A32 instructions 2020-04-22 21:04:23 +01:00
Lioncash
b50114ae70 A64/fuzz_with_unicorn: Avoid repeated unnecessary library calls in RunTestInstance() 
Repeatedly retrieving the vectors and registers from unicorn involves
copying the entire set of registers and vectors by value instead of
simply retrieving a reference to them. Instead, we can just do the work
once and print out the values.

While we're at it, also make our bracing consistent.
 2020-04-22 21:04:22 +01:00
MerryMage
3513ed1c60 CMakeLists: Define FMT_USE_USER_DEFINED_LITERALS=0 
This disable a fmtlib feature that depends on a non-standard feature
for its implementation.
 2020-04-22 21:04:22 +01:00
Merry
fd6222f0a1 Merge pull request #500 from lioncash/cbz 
A32: Implement Thumb-1's CBZ/CBNZ instructions
 2020-04-22 21:04:21 +01:00
MerryMage
0495b2c779 tests: Fix Windows build when DYNARMIC_TESTS_USE_UNICORN is enabled 2020-04-22 21:04:21 +01:00
Lioncash
03e6899fd7 A32: Implement Thumb-1's CBZ/CBNZ instructions 
Introduced in ARMv6T2, this allows for short forward branches.
 2020-04-22 21:02:47 +01:00
Lioncash
0fa0bca22a A32: Handle different variants of PLD 2020-04-22 21:02:47 +01:00
Lioncash
aba4d8a59f dynarmic_tests: Use variable template equivalents of type traits where applicable 
Same thing, same readability, less writing.
 2020-04-22 21:02:47 +01:00
MerryMage
99b284b1b5 fuzz_thumb: Disable fuzzing longer blocks 2020-04-22 21:02:47 +01:00
Merry
30d28029a8 Merge pull request #492 from lioncash/vfp 
A32: Rename vfp2-related files to vfp
 2020-04-22 21:02:47 +01:00
Lioncash
97277c598b A32: Rename vfp2-related files to vfp 
Now that we fuzz against Unicorn, we aren't just restricted to VFPv2.
VFPv3 and VFPv4 facilities can now be implemented. This renames
constructs mentioning VFPv2 to just refer to VFP.
 2020-04-22 21:02:46 +01:00