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kernel: Implement SetMemoryPermission syscall (#2772)

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* kernel: Implement SetMemoryPermission syscall

This commit implement the SetMemoryPermission syscall accurately.
This also fix KMemoryPermission not being an unsigned 32 bits type and
add the "DontCare" bit (used by shared memory, currently unused in
Ryujinx)

* Update MemoryPermission mask

* Address gdkchan's comments

* Fix a nit

* Address gdkchan's comment
This commit is contained in:
Mary 2021-10-24 01:24:49 +02:00 • committed by GitHub
parent 2f3a1d3f77
commit 590d5bd87c
6 changed files with 102 additions and 5 deletions
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11
Ryujinx.HLE/HOS/Kernel/Memory/MemoryPermission.cs
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@ -3,14 +3,15 @@ using System;
namespace Ryujinx.HLE.HOS.Kernel.Memory
{
[Flags]
enum KMemoryPermission : byte
enum KMemoryPermission : uint
{
None = 0,
Mask = 0xff,
Mask = uint.MaxValue,
Read = 1 << 0,
Write = 1 << 1,
Execute = 1 << 2,
Read = 1 << 0,
Write = 1 << 1,
Execute = 1 << 2,
DontCare = 1 << 28,
ReadAndWrite = Read | Write,
ReadAndExecute = Read | Execute