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1755 Commits

Author SHA1 Message Date
Merry
bab4e29075 Merge pull request #498 from lioncash/ahp 
A32/location_descriptor: Add AHP bit to the FPSCR mask
 2020-04-22 21:04:21 +01:00
Lioncash
2d695e3c7c common/fp/info: Make formatting of FPInfo struct member functions consistent 
Orgranizes the functions to all be consistent with the half-precision
specialization.
 2020-04-22 21:04:21 +01:00
Lioncash
05b330906e common/fp/util: Make ProcessNaN utility functions constexpr 
Nothing in particular prevents these from being constexpr. Do so to make
them consistent with the bulk of other functions in this header that are
constexpr.
 2020-04-22 21:04:21 +01:00
Lioncash
6b9a40bdc4 common/fp/op/FPNeg: Make FPNeg constexpr 
Negation in (standard IEEE) floating-point is simply flipping the sign-bit, so this
operation will never be more complex than what is presented here, making
constexpr a reasonable allowance.
 2020-04-22 21:04:21 +01:00
Lioncash
ef95e0fa7d CMakeLists: Add FPNeg.h to the library target sources 
Ensures that the header shows up in IDE generated projects.
 2020-04-22 21:04:21 +01:00
Lioncash
87083af733 general: Remove trailing spaces 
General code-related cleanup. Gets rid of trailing spaces in the
codebase.
 2020-04-22 21:04:21 +01:00
Lioncash
fdbafbc1ae x64/reg_alloc: Remove reference qualifier to variable in GetArgumentInfo() 
The result of GetArg() is returned by value, so this is essentially
still a copy. While the previous code *is* valid, this communicates what
is actually happening a little more explicitly.
 2020-04-22 21:04:20 +01:00
Lioncash
1f6878fb46 ir_opt/verification_pass: Add include for std::puts 
Ensures that the header dependency is always satisfied directly, and not
through other project headers. While we're at it, we can qualify the
call with the std:: namespace.
 2020-04-22 21:03:38 +01:00
Lioncash
fc9c59d056 ir_opt/verification_pass: Eliminate redundant GetArg() 
Given the same argument is used inside the condition's body if it's
true, we can just utilize the local to cut out a GetArg() operation.
Avoids redundant internal assertion checking.
 2020-04-22 21:03:35 +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
d02a4e6fc9 A32/location_descriptor: Add AHP bit to the FPSCR mask 
Ensures the alternate half-precision state is preserved within the
location descriptors, which will be necessary when implementing the
half-precision extensions for VFP and NEON.
 2020-04-22 21:02:47 +01:00
Merry
f4990a5f6b Merge pull request #499 from lioncash/movw 
A32: Implement ARM-mode MOVW
 2020-04-22 21:02:47 +01:00
Lioncash
bd755ae494 frontend/ir/ir_emitter: Add A32 equivalent to A64's SetCheckBit 
This will be used in a subsequent change to implement ARMv6T2's CBZ/CBNZ
Thumb-1 instructions.
 2020-04-22 21:02:47 +01:00
Lioncash
c6e1fd1416 a64_emit_x64: Use const on locals where applicable 
Normalizes the use of const in the source file.
 2020-04-22 21:02:47 +01:00
Merry
f6f0b6da65 Merge pull request #497 from lioncash/boost 
A32/coprocessor: Remove boost from public interface
 2020-04-22 21:02:47 +01:00
Lioncash
106c8c2473 A32: Implement ARM-mode MOVW 
Introduced to the ISA in ARMv6T2
 2020-04-22 21:02:47 +01:00
Lioncash
fb437080be a32_emit_x64: Use const on locals where applicable 
Normalizes the use of const in the source file.
 2020-04-22 21:02:47 +01:00
Lioncash
9935f3aa28 A32: Implement Thumb-1 variant of SEVL 
While we're at it, also add the Thumb-2 encoding to the encoding table
to make sure it isn't forgotten about in the future.
 2020-04-22 21:02:47 +01:00
Lioncash
5f9ba970b9 emit_x64: Use const on locals where applicable 2020-04-22 21:02:47 +01:00
Lioncash
92daae9513 A32/coprocessor: Remove boost from public interface 
Removes a boost header from the public includes in favor of using the
standard-provided std::variant.

The use of boost in public interfaces is often a dealbreaker for some
people. Given we use std::optional in the header already, we can
transition over to std::variant from boost::variant.

With this removal, this makes all of our dependencies internal to the
library itself.
 2020-04-22 21:02:47 +01:00
Lioncash
9a097e307f A32: Implement the ARM-mode variant of SEVL 2020-04-22 21:02:47 +01:00
Lioncash
a40b921cb5 emit_x64: Remove unnecessary typename in GetBasicBlock() 
This can be deduced from the name alone.
 2020-04-22 21:02:47 +01:00
Lioncash
e89ca42048 A32: Implement Thumb-1 variant of YIELD 2020-04-22 21:02:47 +01:00
Lioncash
675f67e41d emit_x64_vector: Use const on locals where applicable 
Normalizes the use of const in the source file.
 2020-04-22 21:02:47 +01:00
Lioncash
ebab7ede55 A32: Implement Thumb-1 variant of WFI 2020-04-22 21:02:47 +01:00
Lioncash
cccbc7fd0e emit_x64_saturation: Use const on locals where applicable 
Normalizes the use of const in the source file.
 2020-04-22 21:02:47 +01:00
Lioncash
b4110af22a A32: Implement Thumb-1 variant of WFE 2020-04-22 21:02:47 +01:00
Lioncash
7316fa47b3 emit_x64_packed: Use const on locals where applicable 
Normalizes the use of const across the source file.
 2020-04-22 21:02:47 +01:00
Lioncash
3a9c2f81d0 block_of_code: Use variable template variants of type traits 
Now all type traits are using the variable template variants where
applicable.
 2020-04-22 21:02:47 +01:00
Lioncash
57675fe592 A32: Implement Thumb-1 variant of SEV 2020-04-22 21:02:47 +01:00
Lioncash
9b783a5527 emit_x64_data_processing: Use const on locals where applicable 
Normalizes the use of const across the source file.
 2020-04-22 21:02:47 +01:00
Lioncash
07699b47ba A32/translate_thumb: Add helper function for raising exceptions 
Similar to the variant within the ARM-mode translator visitor. This will
be used in subsequent changes to implement the hint instructions
introduced in ARMv7.
 2020-04-22 21:02:47 +01:00
Lioncash
f74762ae4e frontend/decoder/decoder_detail: Replace std::is_same, with std::is_same_v 
Same thing, same readability, less characters.
 2020-04-22 21:02:47 +01:00
Lioncash
64879396f6 A32: Implement Thumb-1 variant of NOP 2020-04-22 21:02:47 +01:00
Merry
6a67da1225 Merge pull request #493 from lioncash/ir 
frontend/ir/ir_emitter: Remove unnecessary logical shift overloads
 2020-04-22 21:02:47 +01:00
Merry
81b908b077 Merge pull request #495 from lioncash/bkpt 
A32: Implement Thumb-16's variant of BKPT
 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
Merry
c4fb7cf540 Merge pull request #494 from lioncash/pldw 
A32: Handle PLDW
 2020-04-22 21:02:47 +01:00
Lioncash
b17a5d3365 A32: Implement Thumb-16's variant of BKPT 2020-04-22 21:02:47 +01:00
Lioncash
b902f72001 A32/disassembler_arm: Remove <unimplemented> from hint instruction output 
Given we now support hooking these hint instructions, we can consider
them implemented.
 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
c6f99235e1 frontend/ir/ir_emitter: Remove unnecessary logical shift overloads 
These aren't necessary anymore, now that the U32U64 overload already
exists.
 2020-04-22 21:02:46 +01:00
Merry
9ba503e394 Merge pull request #491 from lioncash/hint 
A32: Allow hooking of hint instructions in ARM mode.
 2020-04-22 21:02:46 +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
8c3122ff46 A64/translate/impl/impl: Mark locals const where applicable in DecodeBitMasks() 
Follows the convention of making immutable state explicit.
 2020-04-22 21:02:46 +01:00
Merry
a132b56d57 Merge pull request #490 from lioncash/crc32 
A32: Implement ARM-mode CRC32 instructions
 2020-04-22 21:02:46 +01:00
Lioncash
966e04d03d A32: Allow hooking of hint instructions in ARM mode. 
Mirrors the hooking functionality from the AArch64 frontend to make the
behavior of both consistent.
 2020-04-22 21:02:46 +01:00
Lioncash
134b586c5c frontend/ir/ir_emitter: Amend arguments to conversion opcodes 
Accidentally caused within 967d1fcc8d6f60749a162a96b997439450fed687.
That one's on me. My bad.
 2020-04-22 21:02:46 +01:00
MerryMage
5debb411cc block_of_code: Explicitly delete copy constructor 2020-04-22 21:02:46 +01:00
Lioncash
e37689315d A32: Implement ARM-mode CRC32 instructions 
Implements the ARM-mode variants of the CRC32 instructions introduced
within ARMv8. This is also one of the instruction cases where there is
UNPREDICTABLE behavior that is constrained (we must do one of the
options indicated by the reference manual).

In both documented cases of constrained unpredictable behavior, we treat
the instructions as unpredictable in order to allow library users to
hook the unpredictable exception to provide the intended behavior they
desire.
 2020-04-22 21:02:46 +01:00