xt-sys/exectos
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Extend memory layout
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This commit is contained in:
Aiken Harris
2025-12-16 18:37:28 +01:00
parent 2265a4a522
commit 020b7c7676
2 changed files with 17 additions and 0 deletions
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5
sdk/xtdk/mmtypes.h
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@@ -57,10 +57,15 @@ typedef struct _MMMEMORY_LAYOUT
{
PMMPFN PfnDatabaseAddress;
PVOID SelfMapAddress;
PVOID HyperSpaceStart;
PVOID HyperSpaceEnd;
PVOID NonPagedPoolStart;
PVOID NonPagedPoolEnd;
PVOID PagedPoolStart;
PVOID PagedPoolEnd;
PVOID SystemSpaceStart;
PVOID SystemSpaceEnd;
PVOID UserSpaceEnd;
} MMMEMORY_LAYOUT, *PMMMEMORY_LAYOUT;
/* Page Frame Entry structure definition */

12
xtoskrnl/mm/mmgr.cc
View File

@@ -57,6 +57,12 @@ MM::Manager::InitializeMemoryLayout(VOID)
MemoryLayout.NonPagedPoolEnd = (PVOID)0xFFFEFFFFFFBFFFFFULL;
MemoryLayout.PagedPoolStart = (PVOID)0xFFFEF8A000000000ULL;
MemoryLayout.PagedPoolEnd = (PVOID)(((ULONG_PTR)MemoryLayout.PagedPoolStart + PagedPoolSize) - 1);
MemoryLayout.HyperSpaceStart = (PVOID)0xFFFEF70000000000ULL;
MemoryLayout.HyperSpaceEnd = (PVOID)0xFFFEF77FFFFFFFFFULL;
MemoryLayout.SystemSpaceStart = (PVOID)0xFFFEF88000000000ULL;
MemoryLayout.SystemSpaceEnd = (PVOID)((ULONG_PTR)MemoryLayout.SystemSpaceStart + (MM_NUMBER_SYSTEM_PTES + 1) * MM_PAGE_SIZE);
MemoryLayout.UserSpaceEnd = (PVOID)0x07FFFFFFFFFFFFFULL;
}
else
{
@@ -67,6 +73,12 @@ MM::Manager::InitializeMemoryLayout(VOID)
MemoryLayout.NonPagedPoolEnd = (PVOID)0xFFFFFFFFFFBFFFFFULL;
MemoryLayout.PagedPoolStart = (PVOID)0xFFFFF8A000000000ULL;
MemoryLayout.PagedPoolEnd = (PVOID)(((ULONG_PTR)MemoryLayout.PagedPoolStart + PagedPoolSize) - 1);
MemoryLayout.HyperSpaceStart = (PVOID)0xFFFFF70000000000ULL;
MemoryLayout.HyperSpaceEnd = (PVOID)0xFFFFF77FFFFFFFFFULL;
MemoryLayout.SystemSpaceStart = (PVOID)0xFFFFF88000000000ULL;
MemoryLayout.SystemSpaceEnd = (PVOID)((ULONG_PTR)MemoryLayout.SystemSpaceStart + (MM_NUMBER_SYSTEM_PTES + 1) * MM_PAGE_SIZE);
MemoryLayout.UserSpaceEnd = (PVOID)0x000007FFFFFEFFFFULL;
}
}