Mirrors/Ryujinx
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Force all exclusive memory accesses to be ordered on AppleHv (#5898)

Browse source 
* Implement reprotect method on virtual memory manager (currently stubbed)

* Force all exclusive memory accesses to be ordered on AppleHv

* Format whitespace

* Fix test build

* Fix comment copy/paste

* Fix wrong bit for isLoad

* Update src/Ryujinx.Cpu/AppleHv/HvMemoryManager.cs

Co-authored-by: riperiperi <rhy3756547@hotmail.com>

---------

Co-authored-by: riperiperi <rhy3756547@hotmail.com>
This commit is contained in:
gdkchan 2023-11-07 13:24:10 -03:00 • committed by GitHub
parent 623604c391
commit 815819767c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
11 changed files with 171 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs
View file

@ -1255,7 +1255,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
if ((oldPermission & KMemoryPermission.Execute) != 0)
{
result = ReprotectWithAttributes(address, pagesCount, permission);
result = ReprotectAndFlush(address, pagesCount, permission);
}
else
{
@ -3036,13 +3036,13 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
protected abstract Result Reprotect(ulong address, ulong pagesCount, KMemoryPermission permission);
/// <summary>
/// Changes the permissions of a given virtual memory region.
/// Changes the permissions of a given virtual memory region, while also flushing the cache.
/// </summary>
/// <param name="address">Virtual address of the region to have the permission changes</param>
/// <param name="pagesCount">Number of pages to have their permissions changed</param>
/// <param name="permission">New permission</param>
/// <returns>Result of the permission change operation</returns>
protected abstract Result ReprotectWithAttributes(ulong address, ulong pagesCount, KMemoryPermission permission);
protected abstract Result ReprotectAndFlush(ulong address, ulong pagesCount, KMemoryPermission permission);
/// <summary>
/// Alerts the memory tracking that a given region has been read from or written to.