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Better process implementation (#491)

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* Initial implementation of KProcess

* Some improvements to the memory manager, implement back guest stack trace printing

* Better GetInfo implementation, improve checking in some places with information from process capabilities

* Allow the cpu to read/write from the correct memory locations for accesses crossing a page boundary

* Change long -> ulong for address/size on memory related methods to avoid unnecessary casts

* Attempt at implementing ldr:ro with new KProcess

* Allow BSS with size 0 on ldr:ro

* Add checking for memory block slab heap usage, return errors if full, exit gracefully

* Use KMemoryBlockSize const from KMemoryManager

* Allow all methods to read from non-contiguous locations

* Fix for TransactParcelAuto

* Address PR feedback, additionally fix some small issues related to the KIP loader and implement SVCs GetProcessId, GetProcessList, GetSystemInfo, CreatePort and ManageNamedPort

* Fix wrong check for source pages count from page list on MapPhysicalMemory

* Fix some issues with UnloadNro on ldr:ro
This commit is contained in:
gdkchan 2018-11-28 20:18:09 -02:00 • committed by GitHub
parent e7fe7d7247
commit 00579927e4
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119 changed files with 7998 additions and 3232 deletions
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64
Ryujinx.HLE/HOS/Kernel/KSharedMemory.cs
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@ -1,14 +1,68 @@
using Ryujinx.Common;
namespace Ryujinx.HLE.HOS.Kernel
{
class KSharedMemory
{
public long PA { get; private set; }
public long Size { get; private set; }
private KPageList PageList;
public KSharedMemory(long PA, long Size)
private long OwnerPid;
private MemoryPermission OwnerPermission;
private MemoryPermission UserPermission;
public KSharedMemory(
KPageList PageList,
long OwnerPid,
MemoryPermission OwnerPermission,
MemoryPermission UserPermission)
{
this.PA = PA;
this.Size = Size;
this.PageList = PageList;
this.OwnerPid = OwnerPid;
this.OwnerPermission = OwnerPermission;
this.UserPermission = UserPermission;
}
public KernelResult MapIntoProcess(
KMemoryManager MemoryManager,
ulong Address,
ulong Size,
KProcess Process,
MemoryPermission Permission)
{
ulong PagesCountRounded = BitUtils.DivRoundUp(Size, KMemoryManager.PageSize);
if (PageList.GetPagesCount() != PagesCountRounded)
{
return KernelResult.InvalidSize;
}
MemoryPermission ExpectedPermission = Process.Pid == OwnerPid
? OwnerPermission
: UserPermission;
if (Permission != ExpectedPermission)
{
return KernelResult.InvalidPermission;
}
return MemoryManager.MapPages(Address, PageList, MemoryState.SharedMemory, Permission);
}
public KernelResult UnmapFromProcess(
KMemoryManager MemoryManager,
ulong Address,
ulong Size,
KProcess Process)
{
ulong PagesCountRounded = BitUtils.DivRoundUp(Size, KMemoryManager.PageSize);
if (PageList.GetPagesCount() != PagesCountRounded)
{
return KernelResult.InvalidSize;
}
return MemoryManager.UnmapPages(Address, PageList, MemoryState.SharedMemory);
}
}
}