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137 commits

Author SHA1 Message Date
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
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
MerryMage
99b284b1b5 fuzz_thumb: Disable fuzzing longer blocks 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
Lioncash
0b15fc9755 a32/fuzz_arm: Use same fuzzing mechanism as AArch64 
Introduces the same fuzzing mechanism used by the AArch64 code for
fuzzing instruction implementations, getting rid of the need to
manually specify the instruction generator sequences--replacing it with
an instruction blacklist instead.

Much of this change originates from a previous patch made by Mary. This
just makes it interact nicely with the alterations made to get Unicorn
to cooperate properly.
 2020-04-22 21:02:46 +01:00
Lioncash
7fc3bd689d A32: Implement ARM-mode MLS 2020-04-22 21:02:46 +01:00
Lioncash
8b338b7def A32: Implement ARM-mode MOVT 2020-04-22 21:02:46 +01:00
Lioncash
877fa0f8c3 A32: Implement ARM-mode SBFX 2020-04-22 21:02:46 +01:00
Lioncash
47218ee65d A32: Implement ARM-mode UBFX 2020-04-22 21:02:46 +01:00
Lioncash
2970b34e3c A32: Implement ARM-mode BFI 2020-04-22 21:02:46 +01:00
Lioncash
fab3a59e05 A32: Implement ARM-mode BFC 2020-04-22 21:02:46 +01:00
Lioncash
7305d13221 A32: Implement ARM-mode RBIT 2020-04-22 21:02:46 +01:00
Lioncash
b2f7a0e7ba A32: Implement ARM-mode SDIV/UDIV 
Now that we have Unicorn in place, we can freely implement instructions
introduced in newer versions of the ARM architecture.
 2020-04-22 21:02:46 +01:00
Lioncash
57be160524 fuzz_arm: Tidy up existing tests 
Now that we utilize C++17, we can use std::array's deduction guides to
avoid the need to explicitly specify the template arguments.

While we're at it, also use const where applicable.
 2020-04-22 21:02:46 +01:00
Lioncash
4f2b60c8e7 dynarmic_tests: Remove skyeye interpreter 
This is quite a messy interpreter and would require a large amount of
work to bring it up to speed to begin implementing newer portions of the
AArch32 instruction set into Dynarmic.

Given we already have fuzzing with Unicorn set up for
AArch64/AArch32, we can get rid of this and unify our testing
infrastructure.

This will also make building the tests much faster, given a whole
interpreter doesn't need to be built anymore as part of the project.
 2020-04-22 21:02:45 +01:00
Lioncash
d29582a0e1 A32: Fuzz instructions using unicorn 
While skyeye was OK previously, now that we have an AArch64 backend,
this also means that we eventually have to support the AArch32
counterpart to it. Unfortunately, SkyEye is only compatible up to
ARMv6K, so we woud need to do a lot of work to bring the interpreter up
to speed with things to even begin testing new instruction
implementations.

For the AArch64 side of things, we already use Unicorn, so we can toss
out SkyEye in favor of it instead.
 2020-04-22 21:02:45 +01:00
Lioncash
9faed40a34 tests/a32/testenv: Make A32TestEnv's code_mem member a std::vector 
Makes the data member consistent with the A64 test environment.
 2020-04-22 20:58:10 +01:00
Lioncash
da5dd3ff66 tests/A32/fuzz_arm: Remove unused Unix-specific include 
This was introduced within 6f6f60c61b,
however, the relevant code that it was used with has since been removed,
making the include unnecessary.
 2020-04-22 20:57:38 +01:00
Lioncash
586dffb356 tests/.../vfp_helper: Amend use of the comma operator 
Makes the lines of code slightly nicer to read
 2020-04-22 20:57:38 +01:00
Merry
ad14a33672 Merge pull request #417 from lioncash/swap 
common: Move byte swapping functions to bit_utils.h
 2020-04-22 20:57:37 +01:00
Lioncash
7139942976 common: Move byte swapping functions to bit_utils.h 
These are quite general functions, so they can just be moved into common
instead of recreating a namespace here.
 2020-04-22 20:57:37 +01:00
Lioncash
2ce7e579d2 dynarmic_tests: Remove inconsistent spacing 
Makes the changed code more consistent with the surrounding code.
 2020-04-22 20:57:37 +01:00
Lioncash
134bb02e19 ir/value: Replace includes with forward declarations 
enum classes are still considered complete types when forward declared
(as the compiler knows the exact size of the type from the declaration
alone). The only difference in this case being that the members of the
enum class aren't visible. Given we don't use the members within this
header in any way, we can simply forward declare them here and remove
the inclusions.
 2020-04-22 20:55:05 +01:00
MerryMage
f96c43d422 A32: Implement FastDispatchHint 2020-04-22 20:53:46 +01:00
MerryMage
a12854857b A32: Add define_unpredictable_behaviour option 2020-04-22 20:53:46 +01:00
MerryMage
f73104633b a32_emit_x64: Fix incorrect BMI2 implementation for SetCpsr 
* The MSB for each byte in cpsr_ge were not being appropriately set.
* We also expand test coverage to test this case.
* We fix the disassembly of the MSR (imm) and MSR (reg) instructions as well.
 2020-04-22 20:53:46 +01:00
MerryMage
f91a9f18cd A32/testenv: Add missing headers 2020-04-22 20:53:45 +01:00
MerryMage
35c758f211 tests: Refactor unicorn_emu to allow for A32 unicorn 2020-04-22 20:46:23 +01:00
MerryMage
381821eda3 a32/fuzz_arm: Disable vfp tests 2020-04-22 20:46:23 +01:00
Lioncash
5b39e8dcf8 tests: Silence warnings in skyeye code 
Gets rid of warning noise when compiling the tests.
 2020-04-22 20:46:21 +01:00
Lioncash
64d4e40081 tests/A32/testenv: Add type aliases for register arrays 
Allows avoiding duplicating std::array instance sizes and types.
 2020-04-22 20:46:19 +01:00
MerryMage
a78e13ff19 fuzz_arm: Use SCOPE_FAIL 2020-04-22 20:46:13 +01:00
MerryMage
d7044bc751 assert: Use fmt in ASSERT_MSG 2020-04-22 20:46:12 +01:00
MerryMage
98ec9c5f90 A32: Change UserCallbacks to be similar to A64's interface 2020-04-22 20:46:12 +01:00
MerryMage
c34639f33d fuzz_thumb: Off by one error 2020-04-22 20:42:45 +01:00
MerryMage
a59e9ad9c6 travis: Run A64 tests 2020-04-22 20:42:45 +01:00
MerryMage
d5725de26a tests/A64: Fuzz against unicorn 2020-04-22 20:42:45 +01:00
MerryMage
72a793f5b0 ir_opt: Split off A32 specific passes 2020-04-22 20:42:45 +01:00
MerryMage
d1eb757f93 A64: Backend framework 2020-04-22 20:42:44 +01:00