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91 commits

Author SHA1 Message Date
Lioncash
aa49b0db89 thumb32: Implement QSUB8/UQSUB8 2021-02-01 17:50:46 -05:00
Lioncash
874ab6a7b6 thumb32: Implement QADD8/UQADD8 2021-02-01 17:50:46 -05:00
Lioncash
d923fb24c6 thumb32: Implement QSUB16/UQSUB16 2021-02-01 17:50:46 -05:00
Lioncash
416fe26df0 thumb32: Implement QSAX/UQSAX 2021-02-01 17:50:14 -05:00
Lioncash
ad7c8bd042 thumb32: Implement QASX/UQASX 2021-02-01 17:31:30 -05:00
Lioncash
f52b8f924c thumb32: Implement QADD16/UQADD16 2021-02-01 17:31:30 -05:00
Lioncash
6f593da41b thumb32: Implement SSUB8/USUB8 2021-02-01 17:31:27 -05:00
Lioncash
271354ee95 thumb32: Implement SADD8/UADD8 2021-02-01 16:44:11 -05:00
Lioncash
8f42fd5c0e thumb32: Implement SSUB16/USUB16 2021-02-01 16:41:02 -05:00
Lioncash
0e28c63456 thumb32: Implement SSAX/USAX 2021-02-01 16:36:18 -05:00
Lioncash
21e404d3ab thumb32: Implement SASX/UASX 2021-02-01 16:31:25 -05:00
Lioncash
d529417875 thumb32: Implement SADD16/UADD16 2021-02-01 16:19:33 -05:00
Lioncash
36fc596a51 thumb32: Implement QADD 2021-02-01 15:44:09 -05:00
Lioncash
cd6e4c7afd thumb32: Implement QSUB 2021-02-01 15:42:14 -05:00
Lioncash
65365ad2a3 thumb32: Implement QDADD 2021-02-01 15:39:39 -05:00
Lioncash
c60cf921ee thumb32: Implement REV 2021-02-01 15:30:40 -05:00
Lioncash
0304dc7ce4 thumb32: Implement REV16 2021-02-01 15:27:31 -05:00
Lioncash
cee31c5274 thumb32: Implement RBIT 2021-02-01 15:20:24 -05:00
Lioncash
e2bc7eeb93 thumb32: Implement REVSH 2021-02-01 15:16:53 -05:00
Lioncash
95dabcf48e fuzz_thumb: Allow running only Thumb-16 tests 2021-02-01 15:04:29 -05:00
Lioncash
1ad99bb9b5 thumb32: Implement SEL 2021-02-01 15:01:21 -05:00
Lioncash
8d53048750 thumb32: Implement CLZ 
Also fleshes out the generator to allow for generating thumb32
instructions as well.
 2021-02-01 14:54:04 -05:00
MerryMage
4ba1f8b9e7 Add optimization flags to disable specific optimizations 2020-07-04 11:04:10 +01:00
MerryMage
3eed024caf asimd_three_same: Ignore Q=1 for VPADD (floating-point) 2020-07-04 11:04:10 +01:00
MerryMage
2008fda88b emit_x64_floating_point: Correct error in s16 rounding in EmitFPToFixed 2020-06-22 22:54:38 +01:00
MerryMage
3ea49fc6d6 A32: Implement VFPv3 VCT (between floating-point and fixed-point) 2020-06-22 22:08:58 +01:00
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
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
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
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
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
a8a712c801 Relicense to 0BSD 2020-04-23 15:45:57 +01:00
MerryMage
668a43f815 A32: Detect unpredictable LDM/STM instructions 2020-04-22 21:06:18 +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