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Now that we've moved all of the heap-related stuff to the VMManager
class, we can unstub this function, as the necessary members are visible
now.
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class and into the vm manager
Avoids a breach of responsibilities in the interface and keeps the
direct code for memory management within the VMManager class.
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* svcBreak now dumps information from the debug buffer passed
info1 and info2 seem to somtimes hold an address to a buffer, this is usually 4 bytes or the size of the int and contains an error code. There's other circumstances where it can be something different so we hexdump these to examine them at a later date.
* Addressed comments
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Cleans up unused includes and trims off some dependencies on externals.
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* get rid of boost::optional
* Remove optional references
* Use std::reference_wrapper for optional references
* Fix clang format
* Fix clang format part 2
* Adressed feedback
* Fix clang format and MacOS build
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hle_ipc: Make GetDomainMessageHeader return a regular pointer
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Gets rid of the need to call the getter and then check for null.
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Nothing requires the shared owner ship here, so we can just return a
plain pointer.
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Nothing from this enum is intended to be used outside of this function.
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This retrieves:
if (curr_thread == handle_thread) {
result = total_thread_ticks + (hardware_tick_count - last_context_switch_ticks);
} else if (curr_thread == handle_thread && sub_id == current_core_index) {
result = hardware_tick_count - last_context_switch_ticks;
}
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to allocate a region of a given size.
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Now that we've gotten the innaccurate error codes out of the way, we can
finally toss away a bunch of these, trimming down the error codes to
ones that are actually used and knocking out two TODO comments.
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ERR_INVALID_COMBINATION
This is more consistent with what the kernel does.
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This is what the kernel does in this instance.
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These are now entirely unused and can be removed.
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Like with the previous change, the kernel doesn't return NOT_AUTHORIZED
here. It returns INVALID_THREAD_PRIORITY.
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priorities in SetThreadPriority()
All priority checks are supposed to occur before checking the validity
of the thread handle, we're also not supposed to return
ERR_NOT_AUTHORIZED here.
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The kernel appears to return 0xE601 for this situation. Particularly in
svcWaitSynchronization, svcReplyAndReceive, and svcGetThreadContext
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The kernel appears to return 0xF601 for this case.
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Added break types to svcBreak
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kernel/process: Make the handle table per-process
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There seems to be more such as type 1, and 2. Unsure what these currently are but when a game hits them we can investigate and add the rest
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In the kernel, there isn't a singular handle table that everything gets
tossed into or used, rather, each process gets its own handle table that
it uses. This currently isn't an issue for us, since we only execute one
process at the moment, but we may as well get this out of the way so
it's not a headache later on.
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This should be comparing against the queried process' vma_map, not the
current process'. The only reason this hasn't become an issue yet is we
currently only handle one process being active at any time.
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svc: Add missing sanitizing checks for MapSharedMemory/UnmapSharedMemory
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svcArbitrateLock/svcArbitrateUnlock
The kernel itself checks whether or not the provided addresses are word
aligned before continuing, so we should be doing the same.
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Aligning on 4KB pages isn't a Switch-specific thing, so this can be
moved to common so it can be used with other things as well.
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Now that the changes clarifying the address spaces has been merged, we
can wrap the checks that the kernel performs when mapping shared memory
(and other forms of memory) into its own helper function and then use
those within MapSharedMemory and UnmapSharedMemory to complete the
sanitizing checks that are supposed to be done.
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svc: Clarify enum values for AddressSpaceBaseAddr and AddressSpaceSize in svcGetInfo()
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svcGetInfo()
So, one thing that's puzzled me is why the kernel seemed to *not* use
the direct code address ranges in some cases for some service functions.
For example, in svcMapMemory, the full address space width is compared
against for validity, but for svcMapSharedMemory, it compares against
0xFFE00000, 0xFF8000000, and 0x7FF8000000 as upper bounds, and uses
either 0x200000 or 0x8000000 as the lower-bounds as the beginning of the
compared range. Coincidentally, these exact same values are also used in
svcGetInfo, and also when initializing the user address space, so this
is actually retrieving the ASLR extents, not the extents of the address
space in general.
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svc: Implement svcGetProcessInfo
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This should help diagnose crashes easier and prevent many users thinking that a game is still running when in fact it's just an audio thread still running(this is typically not killed when svcBreak is hit since the game expects us to do this)
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A fairly basic service function, which only appears to currently support
retrieving the process state. This also alters the ProcessStatus enum to
contain all of the values that a kernel process seems to be able of
reporting with regards to state.
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kernel/process: Make CodeSet a regular non-inherited object
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svc: Fix typos in sanitizing checks for MapMemory/UnmapMemory
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Fixed incorrect types for svcBreak
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These only exist to ferry data into a Process instance and end up going
out of scope quite early. Because of this, we can just make it a plain
struct for holding things and just std::move it into the relevant
function. There's no need to make this inherit from the kernel's Object
type.
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Regular value initialization is adequate here for zeroing out data. It
also has the benefit of not invoking undefined behavior if a non-trivial
type is ever added to the struct for whatever reason.
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This adds the missing address range checking that the service functions
do before attempting to map or unmap memory. Given that both service
functions perform the same set of checks in the same order, we can wrap
these into a function and just call it from both functions, which
deduplicates a little bit of code.
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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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