| Commit message (Collapse) | Author | Age | Files | Lines |
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core/memory: Check our memory fallbacks for out-of-bound behavior.
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We just create one memory subsystem. This is a constant all the time.
So there is no need to call the non-inlined parent.Memory() helper on every callback.
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The new version supports fastmem on a64.
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So we can modify all of dynarmic states within SVC without ExceptionalExit.
Especially as the ExceptionalExit hack is dropped on upstream dynarmic.
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This code was used to switch the CPU ID on thread switches.
However since "hle: kernel: multicore: Replace n-JITs impl. with 4 JITs.", the CPU ID is not a constant.
This has been dead code since this rewrite, and dropped in dynarmic as well. So there is no need to keep it.
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configuration: Add CPU tab to game properties and slight per-game settings rework
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Required to make CPU accuracy and unsafe settings available to use as a
per-game setting.
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Now that we have most of core free of shadowing, we can enable the
warning as an error to catch anything that may be remaining and also
eliminate this class of logic bug entirely.
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Now all that remains is for kernel code to be 'shadow-free' and then
-Wshadow can be turned into an error.
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Resolves shadowing warnings that aren't in a particularly large
subsection of core. Brings us closer to turning -Wshadow into an error.
All that remains now is for cases in the kernel (left untouched for now
since a big change by bunnei is pending), and a few left over in the
service code (will be tackled next).
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- Removes a dependency on core and input_common from common.
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- We re-create the JIT here without preserving any state.
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- This can happen if called from an idle or suspension thread.
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Squash attributes into the pointer's integer, making them an uintptr_t
pair containing 2 bits at the bottom and then the pointer. These bits
are currently unused thanks to alignment requirements.
Configure Dynarmic to mask out these bits on pointer reads.
While we are at it, remove some unused attributes carried over from
Citra.
Read/Write and other hot functions use a two step unpacking process that
is less readable to stop MSVC from emitting an extra AND instruction in
the hot path:
mov rdi,rcx
shr rdx,0Ch
mov r8,qword ptr [rax+8]
mov rax,qword ptr [r8+rdx*8]
mov rdx,rax
-and al,3
and rdx,0FFFFFFFFFFFFFFFCh
je Core::Memory::Memory::Impl::Read<unsigned char>
mov rax,qword ptr [vaddr]
movzx eax,byte ptr [rdx+rax]
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- This is closer to pre-multicore behavior, and works a bit better.
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Removes all remaining usages of the global system instance. After this,
migration can begin to migrate to being constructed and managed entirely
by the various frontends.
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Unicorn long-since lost most of its use, due to dynarmic gaining support
for handling most instructions. At this point any further issues
encountered should be used to make dynarmic better.
This also allows us to remove our dependency on Python.
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Recent changes to the build system that made more warnings be flagged as
errors caused building via clang to break.
Fixes #4795
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Allows some implementations to avoid completely zeroing out the internal
buffer of the optional, and instead only set the validity byte within
the structure.
This also makes it consistent how we return empty optionals.
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Ensures that the member variables are always initialized to a
deterministic value on creation.
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This commit: Implements CPU Interrupts, Replaces Cycle Timing for Host
Timing, Reworks the Kernel's Scheduler, Introduce Idle State and
Suspended State, Recreates the bootmanager, Initializes Multicore
system.
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On MSVC builds we treat conversion warnings as errors.
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We can also allow unicorn to be constructed in 32-bit mode or 64-bit
mode to satisfy the need for both interpreter instances.
Allows this code to compile successfully of non x86-64 architectures.
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- Also add a missing include.
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- helpful to disambiguate Kernel::Memory namespace.
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This was a bug inherited from citra which was fixed by then at some
time. This commit corrects such bug and ensures JITs are correctly
recycled.
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Now both CPU backends go through their referenced system instance to
obtain the current thread.
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This commit instends on better naming the new purpose of this classes.
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This saves us two x64 instructions per load/store instruction.
TODO: Clean up our memory code. We can use this optimization here as well.
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The Write functions are used slightly less than the Read functions,
which make these a bit nicer to move over.
The only adjustments we really need to make here are to Dynarmic's
exclusive monitor instance. We need to keep a reference to the currently
active memory instance to perform exclusive read/write operations.
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With all of the trivial parts of the memory interface moved over, we can
get right into moving over the bits that are used.
Note that this does require the use of GetInstance from the global
system instance to be used within hle_ipc.cpp and the gdbstub. This is
fine for the time being, as they both already rely on the global system
instance in other functions. These will be removed in a change directed
at both of these respectively.
For now, it's sufficient, as it still accomplishes the goal of
de-globalizing the memory code.
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Amends a few interfaces to be able to handle the migration over to the
new Memory class by passing the class by reference as a function
parameter where necessary.
Notably, within the filesystem services, this eliminates two ReadBlock()
calls by using the helper functions of HLERequestContext to do that for
us.
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While we're at it, this also resolves a type truncation warning as well,
given the code was truncating from a 64-bit value to a 32-bit one.
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arm_dynarmic: Check if jit is nullptr when preparing reschedule
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Prevents crash with multiprocess loading.
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This was initially necessary when AArch64 JIT emulation was in its
infancy and all memory-related instructions weren't implemented.
Given the JIT now has all of these facilities implemented, we can remove
these functions from the CPU interface.
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Our initialization process is a little wonky than one would expect when
it comes to code flow. We initialize the CPU last, as opposed to
hardware, where the CPU obviously needs to be first, otherwise nothing
else would work, and we have code that adds checks to get around this.
For example, in the page table setting code, we check to see if the
system is turned on before we even notify the CPU instances of a page
table switch. This results in dead code (at the moment), because the
only time a page table switch will occur is when the system is *not*
running, preventing the emulated CPU instances from being notified of a
page table switch in a convenient manner (technically the code path
could be taken, but we don't emulate the process creation svc handlers
yet).
This moves the threads creation into its own member function of the core
manager and restores a little order (and predictability) to our
initialization process.
Previously, in the multi-threaded cases, we'd kick off several threads
before even the main kernel process was created and ready to execute (gross!).
Now the initialization process is like so:
Initialization:
1. Timers
2. CPU
3. Kernel
4. Filesystem stuff (kind of gross, but can be amended trivially)
5. Applet stuff (ditto in terms of being kind of gross)
6. Main process (will be moved into the loading step in a following
change)
7. Telemetry (this should be initialized last in the future).
8. Services (4 and 5 should ideally be alongside this).
9. GDB (gross. Uses namespace scope state. Needs to be refactored into a
class or booted altogether).
10. Renderer
11. GPU (will also have its threads created in a separate step in a
following change).
Which... isn't *ideal* per-se, however getting rid of the wonky
intertwining of CPU state initialization out of this mix gets rid of
most of the footguns when it comes to our initialization process.
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Adjusts the interface of the wrappers to take a system reference, which
allows accessing a system instance without using the global accessors.
This also allows getting rid of all global accessors within the
supervisor call handling code. While this does make the wrappers
themselves slightly more noisy, this will be further cleaned up in a
follow-up. This eliminates the global system accessors in the current
code while preserving the existing interface.
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Given the page table will always be guaranteed to be that of whatever
the current process is, we no longer need to keep this around.
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Applies the override specifier where applicable. In the case of
destructors that are defaulted in their definition, they can
simply be removed.
This also removes the unnecessary inclusions being done in audin_u and
audrec_u, given their close proximity.
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Gets rid of the largest set of mutable global state within the core.
This also paves a way for eliminating usages of GetInstance() on the
System class as a follow-up.
Note that no behavioral changes have been made, and this simply extracts
the functionality into a class. This also has the benefit of making
dependencies on the core timing functionality explicit within the
relevant interfaces.
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Places all of the timing-related functionality under the existing Core
namespace to keep things consistent, rather than having the timing
utilities sitting in its own completely separate namespace.
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Like the barrier, this is owned entirely by the System and will always
outlive the encompassing state, so shared ownership semantics aren't
necessary here.
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There's no real need to use a shared pointer in these cases, and only
makes object management more fragile in terms of how easy it would be to
introduce cycles. Instead, just do the simple thing of using a regular
pointer. Much of this is just a hold-over from citra anyways.
It also doesn't make sense from a behavioral point of view for a
process' thread to prolong the lifetime of the process itself (the
process is supposed to own the thread, not the other way around).
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Many of the member variables of the thread class aren't even used
outside of the class itself, so there's no need to make those variables
public. This change follows in the steps of the previous changes that
made other kernel types' members private.
The main motivation behind this is that the Thread class will likely
change in the future as emulation becomes more accurate, and letting
random bits of the emulator access data members of the Thread class
directly makes it a pain to shuffle around and/or modify internals.
Having all data members public like this also makes it difficult to
reason about certain bits of behavior without first verifying what parts
of the core actually use them.
Everything being public also generally follows the tendency for changes
to be introduced in completely different translation units that would
otherwise be better introduced as an addition to the Thread class'
public interface.
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Makes the public interface consistent in terms of how accesses are done
on a process object. It also makes it slightly nicer to reason about the
logic of the process class, as we don't want to expose everything to
external code.
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Internally within the kernel, it also includes a member variable for the
floating-point status register, and TPIDR, so we should do the same here to match
it.
While we're at it, also fix up the size of the struct and add a static
assertion to ensure it always stays the correct size.
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process/vm_manager: Initial modifications to load NPDM metadata
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Given games can also request a 32-bit or 39-bit address space, we
shouldn't be hardcoding the address space range as 36-bit.
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Avoids an unnecessary inclusion and also uncovers three places where
indirect inclusions were relied upon, which allows us to also resolve
those.
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arm_interface: Remove ARM11-isms from the CPU interface
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This modifies the CPU interface to more accurately match an
AArch64-supporting CPU as opposed to an ARM11 one. Two of the methods
don't even make sense to keep around for this interface, as Adv Simd is
used, rather than the VFP in the primary execution state. This is
essentially a modernization change that should have occurred from the
get-go.
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Previously the second half of the value being written would overwrite
the first half. Thankfully this wasn't a bug that was being encountered,
as the function is currently unused.
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Blame the subsystems which deserve the blame :)
The updated list is not complete, just the ones I've spotted on random sampling the stack trace.
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The follow-up to e2457418dae19b889b2ad85255bb95d4cd0e4bff, which
replaces most of the includes in the core header with forward declarations.
This makes it so that if any of the headers the core header was
previously including change, then no one will need to rebuild the bulk
of the core, due to core.h being quite a prevalent inclusion.
This should make turnaround for changes much faster for developers.
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Gets all of these types and interfaces out of the global namespace.
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550d662 load_store_exclusive: Define s == t state to be Constraint_NONE
0b69381 A64/translate: Allow for unpredictable behaviour to be defined
6d236d4 system: Implement MRS CNTFRQ_EL0
6cbb6fb A32/testenv: Add missing headers
6729328 externals: Update xbyak to v5.67
1812bd2 Squashed 'externals/xbyak/' changes from 2794cde7..671fc805
9a95802 externals: Document subtrees
714a840 A64: Implement SQ{ADD, SUB}, and UQ{ADD, SUB}'s vector variants
8cab459 A64: Implement UQADD/UQSUB's scalar variants
18a8151 ir: Add opcodes for unsigned saturating add and subtract
a5660ee x64/reg_alloc: Use type alias for array returned by GetArgumentInfo()
29489b5 ir/value: Use type alias CoprocessorInfo for std::array<u8, 8>
e23ba26 status_register_access: Add support for bits 0 and 1 of mask to MSR
55190bd fuzz_with_unicorn: Split utility functions into fuzz_util
23b049d A32/translate/load_store: Correct detection of writeback
7ec9f15 A32/translate: Add TranslateSingleInstruction
efeecb4 A32/ir_emitter: Bug fix: IREmitter::ExceptionRaised using incorrect opcode
08d1d19 A32/decoders: Split instruction list into include file
2d929cc tests: Refactor unicorn_emu to allow for A32 unicorn
f672368 microinstruction: Improve assert messages
7ebff50 emit_x64_vector: EmitVectorNarrow16: AVX512 implementation
edce230 emit_x64_vector: EmitVectorNarrow32: prefer pblendw to loading constant
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No longer required. HaltExecution is a no-op if it is not currently executing.
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We divide the number of ticks to add by the number of cores (4) to obtain a more or less rough estimate of the actual number of ticks added. This assumes that all 4 cores are doing similar work. Previously we were adding ~4 times the number of ticks, thus making the games think that time was going way too fast.
This lets us bypass certain hangs in some games like Breath of the Wild.
We should modify our CoreTiming to support multiple cores (both running in a single thread, and in multiple host threads).
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kernel: Remove unnecessary includes
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Removes unnecessary direct dependencies in some headers and also gets
rid of indirect dependencies that were being relied on to be included.
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Makes the definition use the same type aliases as in its prototype.
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Given the ARM_Dynarmic class inherits from ARM_Interface, we don't need
to qualify here.
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Amends the initializer list to be in the same order that each variable
would be initialized in. We also do this to ensure we don't use a bogus
uninitialized instance of the exclusive monitor within MakeJit()
We can also remove the jit member from the initializer list as this is
initialized by PageTableChanged()
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This functions doesn't modify instance state, so it can be a made a
const member function.
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Uses the same type aliases we use for virtual addresses, and converts
one lingering usage of std::array<uint64_t, 2> to u128 for consistency.
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arm_interface: Remove unused tls_address member of ThreadContext
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Currently, the TLS address is set within the scheduler, making this
member unused.
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Note that there's currently a dynarmic bug preventing this register from being written.
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This makes the formatting expectations more obvious (e.g. any zero padding specified
is padding that's entirely dedicated to the value being printed, not any pretty-printing
that also gets tacked on).
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LOG_GENERIC usages will be amended in a follow-up to keep API changes separate from
interface changes, as it will require removing a parameter from the relevant function
in the VMManager class.
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Implement Pull #3184 from citra: core/arm: Improve timing accuracy before service calls in JIT (Rebased)
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6b4c6b0 impl: Update PC when raising exception
7a1313a A64: Implement FDIV (vector)
b2d781d system: Raise exception for YIELD, WFE, WFI, SEV, SEVL
b277bf5 Correct FPSR and FPCR
7673933 A64: Implement USHL
8d0e558 A64: Implement UCVTF (vector, integer), scalar variant
da9a4f8 A64: Partially implement FCVTZU (scalar, fixed-point) and FCVTZS (scalar, fixed-point)
7479684 A64: Implement system register TPIDR_EL0
0fd75fd A64: Implement system registers FPCR and FPSR
31e370c A64: Implement system register CNTPCT_EL0
9a88fd3 A64: Implement system register CTR_EL0
1d16896 A64: Implement NEG (vector)
3184edf IR: Add IR instruction ZeroVector
31f8fbc emit_x64_floating_point: Add maybe_unused to preprocess parameter
567eb1a A64: Implement FMINNM (scalar)
c6d8fa1 A64: Implement FMAXNM (scalar)
616056d constant_pool: Add frame parameter
a3747cb A64: Implement ADDP (scalar)
5cd5d9f reg_alloc: Only exchange GPRs
dd0452a A64: Implement DUP (element), scalar variant
e5732ea emit_x64_floating_point: Correct FP{Max,Min}{32,64} implementations for -0/+0
40eb9c3 A64: Implement FMAX (scalar), FMIN (scalar)
7cef39b fuzz_with_unicorn: QEMU's implementation of FCVT is incorrect
826dce2 travis: Switch unicorn repository
9605f28 a64/config: Allow NaN emulation accuracy to be set
e9435bc a64_emit_x64: Add conf to A64EmitContext
30b596d fuzz_with_unicorn: Explicitly test floating point instructions
be292a8 A64: Implement FSQRT (scalar)
3c42d48 backend_x64: Accurately handle NaNs
4aefed0 fuzz_with_unicorn: Print AArch64 disassembly
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Changes: Primarily implementing more A64 instructions
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* Fixes some cast warnings, partially fixes citra #3064
* Converted casts to uint32_t to u32
* Ran clang-format
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bc73004 a64_merge_interpret_blocks: Remove debug output
4e656ed tests/A64: Randomize PSTATE.<NZCV>
fd9530b A64: Optimization: Merge interpret blocks
3c9eb04 testenv: Use format constants
324f3fc tests/A64: Unicorn interface fixes
98ecbe7 tests/A64: Fuzz against unicorn
b1d38e7 tests/A64: Move TestEnvironment to own header
5218ad9 A64/data_processing_pcrel: bug: ADR{,P} instructions sign extend their immediate
b1a8c39 A64/data_processing_addsub: bug: {ADD,SUB}S (extended register) instructions write to ZR when d = 31
64827fb a64_emit_x64: bug: A64CallSupervisor trampled callee-save registers
1bfa04d emit_x64: bug: OP m/r64, imm32 form instructions sign-extend their immediate on x64
edadeea A64 inferface: Use two argument static_assert
9ab1304 A64: Add ExceptionRaised IR instruction
6843eed Update readme
7438d07 A64/translate: Add TranslateSingleInstruction function
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# Conflicts:
# src/core/CMakeLists.txt
# src/core/arm/dynarmic/arm_dynarmic.cpp
# src/core/arm/dyncom/arm_dyncom.cpp
# src/core/hle/kernel/process.cpp
# src/core/hle/kernel/thread.cpp
# src/core/hle/kernel/thread.h
# src/core/hle/kernel/vm_manager.cpp
# src/core/loader/3dsx.cpp
# src/core/loader/elf.cpp
# src/core/loader/ncch.cpp
# src/core/memory.cpp
# src/core/memory.h
# src/core/memory_setup.h
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Kernel/Memory: Give each process its own page table and allow switching the current page table upon reschedule
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arm_dynarmic: Provide MemoryReadCode callback
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Change of interface in dynarmic 36082087ded632079b16d24137fdd0c450ce82ea
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This makes clang-format useful on those.
Also add a bunch of forgotten transitive includes, which otherwise
prevented compilation.
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