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32 commits

Author SHA1 Message Date
Timothy Flynn
c911781c21 Everywhere: Remove needless trailing semi-colons after functions
This is a new option in clang-format-16.
2023-07-08 10:32:56 +01:00
Ben Wiederhake
b83cb09db1 Everywhere: Fix badly-formatted includes
In 7c5e30daaa, the focus was "only" on
Userland/Libraries/, whereas this commit cleans up the remaining
headers in the repo, and any new badly-formatted include.
2023-01-02 11:06:15 -05:00
Andreas Kling
661a940ddd UserspaceEmulator: Implement MOV_seg_RM32 and MOV_seg_RM16
This allows hosted programs to write to segment registers. :^)
2022-12-07 13:18:48 +01:00
Andreas Kling
b6472c250c UserspaceEmulator: Add SoftCPU getters for FS and GS 2022-12-07 13:18:48 +01:00
Linus Groh
d26aabff04 Everywhere: Run clang-format 2022-12-03 23:52:23 +00:00
Simon Wanner
06ece474e9 LibX86: Add {Address,Operand}Size::Size64
For now the opcode tables for OperandSize::Size64 are empty
2022-11-26 12:50:38 +01:00
Simon Wanner
a7268c3c74 LibX86+UserspaceEmulator: Introduce AddressSize and OperandSize enums
These replace the bools a32 and o32, which will make implementing
64-bit sizes possible. :^)
2022-11-26 12:50:38 +01:00
Daniel Bertalan
e4b7ce3324 UserspaceEmulator: Use boolean operators instead of bitwise ones
Fixes a bitwise-instead-of-logical warning from Clang 14.
2022-04-23 10:43:32 -07:00
Hendiadyoin1
7ba2e5e3e7 LibX86: Add CMPXCHG8B, RDRAND and RDSEED
With this we can run following script with no errors:
```sh
for /usr/lib/*.so {
    disasm "$it" > /dev/zero
}
```
2022-04-06 18:30:22 +02:00
Hendiadyoin1
3e3b677852 LibX86: Support SSE2 :^)
This allows disassembly of binaries with SSE2 instructions in them.
SSE2 also extends all MMX instructions without affecting the mnemonic,
therefore these are just directed to the same function for now.
The UserspaceEmulator does not know this as of
this commit.
2022-04-06 18:30:22 +02:00
Hendiadyoin1
fd2af972ed LibX86: Correct CVTSS2SI's register signature
This was annotated the wrong way around.
2022-04-06 18:30:22 +02:00
Hendiadyoin1
2377344a89 UserspaceEmulator: Implement the SSE extension
This almost fully implements the SSE extension, similar to the x87 and
MMX extensions, using a separate class "SoftVPU".

Currently missing are all shadow and exception checks, as well as the
denormals-are-zero and flush-to-zero flags.
Also missing are some integer-SIMD functions.
2022-04-02 18:37:38 +02:00
Hendiadyoin1
b7a8cfdde9 LibX86: Correctly name CVTTSS2SI_r32_xmm2m32
This was previously erroneously called CVTTPS2PI_r32_xmm2m32, while
the mnemonic was correctly CVTTSS2SI.
2022-04-02 18:37:38 +02:00
Idan Horowitz
086969277e Everywhere: Run clang-format 2022-04-01 21:24:45 +01:00
Ali Mohammad Pur
baf7038919 UserspaceEmulator: Add a SoftMMU::read<T> function
...and implement SoftCPU::read_memory<T> with it.
This allows the MMU to read a typed object (using 1-byte reads), which
is significantly nicer to use than reading the struct fields manually.
2022-03-04 20:07:05 +01:00
Ali Mohammad Pur
70b53b44b2 UserspaceEmulator: Wrap the GPRs in ValueWithShadow
...instead of manually tracking their shadow data.
2022-03-04 20:07:05 +01:00
Ali Mohammad Pur
f6e82a8e0a UserspaceEmulator: Make it possible to wrap PODs in ValueWithShadow
Instead of making it hold the shadow data as another `T`, make it hold
the data as a byte array, and allow it to read the byte array as `T`.
This makes it much easier to make a "read_typed" function in the MMU.
2022-03-04 20:07:05 +01:00
Hendiadyoin1
95d2feed33 UserspaceEmulator: Remove redundant private specifier in SoftCPU.h 2021-12-23 12:45:36 -08:00
Andreas Kling
8b1108e485 Everywhere: Pass AK::StringView by value 2021-11-11 01:27:46 +01:00
Hendiadyoin1
83f50a1507 UserspaceEmulator: Raise an error on FPU stack underflow
Accessing an unset part of the FPU stack should not be a simple warning,
but should trigger the FPU exception mechanism.
2021-11-07 22:42:23 +00:00
Hediadyoin1
3ad6d87a45 LibX86: Add SSE support
This only adds the decodeing support for SSE, not SSE2, etc.
may contain traces of SSE2.
2021-10-17 13:06:23 -07:00
Hendiadyoin1
7da12f0faf UserspaceEmulator: Move to using the new SoftFPU 2021-07-22 23:33:21 +02:00
Hendiadyoin1
eb6af29421 LibX86: Add missing MovD and MovQ instructions
These are placeholders for now
2021-07-22 23:33:21 +02:00
Andreas Kling
e7136399a1 LibX86: Add INT1 instruction (needed for disassembly) 2021-07-20 18:05:05 +02:00
Hendiadyoin1
54c005754a UserpaceEmulator: Handle possibly unaligned IO
We also should add some UB warnings for that in the future
2021-07-14 11:26:34 +04:30
Hendiadyoin1
f6aad70541 LibX86+UserspaceEmulator: Add MMX insns prototypes 2021-05-01 08:56:52 +02:00
Hendiadyoin1
acd65a5f86 UserspaceEmulator: Add more Instructions
Adds:
* CMC
* POPA
* POPAD
* POPF
* PUSHA
* PUSHAD
* PUSHF
* PUSH_RM16
* SAHF
* FPU:
  * FNOP
  * FPREM
  * FSINCOS
  * FCMOVxx
  * FISTTP
2021-04-25 09:56:29 +02:00
Hendiadyoin1
f1957bb86b UE+LibX86: Support bigger reads and writes 2021-04-23 22:50:53 +02:00
Brian Gianforcaro
1682f0b760 Everything: Move to SPDX license identifiers in all files.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.

See: https://spdx.dev/resources/use/#identifiers

This was done with the `ambr` search and replace tool.

 ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
2021-04-22 11:22:27 +02:00
Andreas Kling
9588f01739 UserspaceEmulator+LibC: Use sys$emuctl() to pass malloc info to UE
Get rid of the awkward secret handshake sequence between malloc and UE
and simply use sys$emuctl() to notify UE of malloc, free and realloc.
2021-03-09 11:31:18 +01:00
Andreas Kling
5d180d1f99 Everywhere: Rename ASSERT => VERIFY
(...and ASSERT_NOT_REACHED => VERIFY_NOT_REACHED)

Since all of these checks are done in release builds as well,
let's rename them to VERIFY to prevent confusion, as everyone is
used to assertions being compiled out in release.

We can introduce a new ASSERT macro that is specifically for debug
checks, but I'm doing this wholesale conversion first since we've
accumulated thousands of these already, and it's not immediately
obvious which ones are suitable for ASSERT.
2021-02-23 20:56:54 +01:00
Andreas Kling
4055b03291 DevTools: Move to Userland/DevTools/ 2021-01-12 12:18:55 +01:00
Renamed from DevTools/UserspaceEmulator/SoftCPU.h (Browse further)