public static void FreeIOMemory(UIntPtr addr,
UIntPtr bytes)
{
Tracing.Log(Tracing.Debug, "PageTableService.FreeIOMemory(addr={0:x8}, bytes={1:x})",
addr, bytes);
MemoryManager.FreeIOMemory(addr, bytes, Thread.CurrentProcess);
}
public static void GetUsageStatistics(out ulong allocatedCount,
out ulong allocatedBytes,
out ulong freedCount,
out ulong freedBytes)
{
MemoryManager.GetUserStatistics(
out allocatedCount,
out allocatedBytes,
out freedCount,
out freedBytes);
}
public static UIntPtr Allocate(UIntPtr bytes)
{
UIntPtr addr = MemoryManager.UserAllocate(
MemoryManager.PagesFromBytes(bytes),
Thread.CurrentProcess, 0, PageType.Unknown);
Tracing.Log(Tracing.Debug,
"PageTableService.Allocate(bytes={0} addr={1:x8}",
bytes, addr);
return(addr);
}
public static void Free(uint addr,
uint bytes)
{
Tracing.Log(Tracing.Debug, "PageTableService.Free(addr={0:x8}, bytes={1:x})",
addr, bytes);
// We always round up block allocations to the nearest page,
// so round up when freeing, too.
MemoryManager.UserFree(addr,
MemoryManager.PagesFromBytes(bytes),
Thread.CurrentProcess);
}
public static UIntPtr AllocateIOMemory(UIntPtr limit,
UIntPtr bytes,
UIntPtr alignment)
{
UIntPtr addr = MemoryManager.AllocateIOMemory(
limit, bytes, alignment, Thread.CurrentProcess);
Tracing.Log(Tracing.Debug,
"PageTableService.AllocateIOMemory(limit={0:x}, bytes={1:x}, alignment={2:x}) addr= {3:x8}",
limit, bytes, alignment, addr);
return(addr);
}
public static uint AllocateExtend(uint addr,
uint bytes)
{
uint got = (uint)MemoryManager.UserExtend(
addr, MemoryManager.PagesFromBytes(bytes),
Thread.CurrentProcess, PageType.Unknown);
Tracing.Log(Tracing.Debug,
"PageTableService.AllocateExtend(addr={0:x}, bytes={1:x}) addr={2:x8}",
addr, bytes, got);
return(addr);
}
public static uint AllocateIOMemory(uint limit,
uint bytes,
uint alignment)
{
uint addr = (uint)MemoryManager.AllocateIOMemory(
limit, bytes, alignment, Thread.CurrentProcess);
Tracing.Log(Tracing.Debug,
"PageTableService.AllocateIOMemory(limit={0:x}, bytes={1:x}, alignment={2:x}) addr= {3:x8}",
limit, bytes, alignment, addr);
return(addr);
}
public static UIntPtr AllocateExtend(UIntPtr addr,
UIntPtr bytes)
{
UIntPtr got = MemoryManager.UserExtend(
addr, MemoryManager.PagesFromBytes(bytes),
Thread.CurrentProcess, PageType.Unknown);
Tracing.Log(Tracing.Debug,
"PageTableService.AllocateExtend(addr={0:x}, bytes={1:x}) addr={2:x8}",
addr, bytes, got);
return(got);
}
public static bool Query(UIntPtr queryAddr,
out UIntPtr regionAddr,
out UIntPtr regionSize)
{
PageType type = MemoryManager.UserQuery(
queryAddr, out regionAddr, out regionSize);
bool used = (type != PageType.Unknown);
Tracing.Log(Tracing.Debug,
"PageTableService.Query(query={0:x8}, addr={1:x8}, size={2:x}) type={3}",
queryAddr, regionAddr, regionSize, (uint)type);
return(used);
}
