47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
/**
|
|
* PROJECT: ExectOS
|
|
* COPYRIGHT: See COPYING.md in the top level directory
|
|
* FILE: xtoskrnl/mm/data.cc
|
|
* DESCRIPTION: Memory Manager global and static data
|
|
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
|
|
*/
|
|
|
|
#include <xtos.hh>
|
|
|
|
|
|
/* Allocation descriptors dedicated for hardware layer */
|
|
LOADER_MEMORY_DESCRIPTOR MM::HardwarePool::HardwareAllocationDescriptors[MM_HARDWARE_ALLOCATION_DESCRIPTORS];
|
|
|
|
/* Live address of kernel's hardware heap */
|
|
PVOID MM::HardwarePool::HardwareHeapStart = MM_HARDWARE_HEAP_START_ADDRESS;
|
|
|
|
/* Number of used hardware allocation descriptors */
|
|
ULONG MM::HardwarePool::UsedHardwareAllocationDescriptors = 0;
|
|
|
|
/* Processor structures data (THIS IS A TEMPORARY HACK) */
|
|
UCHAR MM::KernelPool::ProcessorStructuresData[MAXIMUM_PROCESSORS][KPROCESSOR_STRUCTURES_SIZE] = {{0}};
|
|
|
|
/* Biggest free memory descriptor */
|
|
PLOADER_MEMORY_DESCRIPTOR MM::Pfn::FreeDescriptor;
|
|
|
|
/* Highest physical page number */
|
|
ULONG_PTR MM::Pfn::HighestPhysicalPage;
|
|
|
|
/* Lowest physical page number */
|
|
ULONG_PTR MM::Pfn::LowestPhysicalPage = -1;
|
|
|
|
/* Memory layout */
|
|
MMMEMORY_LAYOUT MM::Manager::MemoryLayout;
|
|
|
|
/* Number of physical pages */
|
|
ULONG MM::Pfn::NumberOfPhysicalPages;
|
|
|
|
/* Number of system PTEs */
|
|
PFN_NUMBER MM::Manager::NumberOfSystemPtes;
|
|
|
|
/* Old biggest free memory descriptor */
|
|
LOADER_MEMORY_DESCRIPTOR MM::Pfn::OriginalFreeDescriptor;
|
|
|
|
/* Instance of the page map routines for the current PML level */
|
|
MM::PPAGEMAP MM::Paging::PmlRoutines;
|