intel/compute-runtime
1
0
Fork 0
mirror of https://github.com/intel/compute-runtime.git synced 2026-01-03 06:49:52 +08:00
Code Issues Packages Projects Releases Wiki Activity

Extend PhysicalAddressAllocator with page size and alignement

Browse Source 
- this allows for reserving 64k pages or bigger with specified alignement
if required

Change-Id: I256d6c0d9e7fee0e2bac5f4ab5e4fd49ea9d8d50
This commit is contained in:
Hoppe, Mateusz
2018-09-28 14:36:11 -07:00
committed by sys_ocldev
parent ec48ccecdb
commit ce29770d61
6 changed files with 89 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
unit_tests/memory_manager/physical_address_allocator_tests.cpp
View File

@@ -14,17 +14,65 @@ using namespace OCLRT;
TEST(PhysicalAddressAllocator, givenPhysicalAddressesAllocatorWhenReservingFirstPageThenNonZeroAddressIsReturned) {
MockPhysicalAddressAllocator allocator;
auto physAddress = allocator.reservePage(MemoryBanks::MainBank);
auto physAddress = allocator.reserve4kPage(MemoryBanks::MainBank);
EXPECT_NE(0u, physAddress);
}
TEST(PhysicalAddressAllocator, givenPhysicalAddressesAllocatorWhenReservingConsecutivePagesThenReturnedAddressesAreDifferent) {
TEST(PhysicalAddressAllocator, givenPhysicalAddressesAllocatorWhenReservingConsecutive4kPagesThenReturnedAddressesAreDifferentAndAligned) {
MockPhysicalAddressAllocator allocator;
auto physAddress = allocator.reservePage(MemoryBanks::MainBank);
auto physAddress = allocator.reserve4kPage(MemoryBanks::MainBank);
EXPECT_NE(0u, physAddress);
auto physAddress1 = allocator.reservePage(MemoryBanks::MainBank);
EXPECT_EQ(0u, physAddress & MemoryConstants::pageMask);
auto physAddress1 = allocator.reserve4kPage(MemoryBanks::MainBank);
EXPECT_NE(physAddress, physAddress1);
auto physAddress2 = allocator.reservePage(MemoryBanks::MainBank);
EXPECT_EQ(0u, physAddress1 & MemoryConstants::pageMask);
auto physAddress2 = allocator.reserve4kPage(MemoryBanks::MainBank);
EXPECT_NE(physAddress1, physAddress2);
EXPECT_EQ(0u, physAddress2 & MemoryConstants::pageMask);
}
TEST(PhysicalAddressAllocator, givenPhysicalAddressesAllocatorWhenReservingFirst64kPageThen64kAlignedIsReturned) {
MockPhysicalAddressAllocator allocator;
auto physAddress = allocator.reserve64kPage(MemoryBanks::MainBank);
EXPECT_NE(0u, physAddress);
EXPECT_EQ(0u, physAddress & MemoryConstants::page64kMask);
}
TEST(PhysicalAddressAllocator, givenPhysicalAddressesAllocatorWhenReservingConsecutive64kPagesThenReturnedAddressesAreDifferentAndAligned) {
MockPhysicalAddressAllocator allocator;
auto physAddress = allocator.reserve64kPage(MemoryBanks::MainBank);
EXPECT_NE(0u, physAddress);
EXPECT_EQ(0u, physAddress & MemoryConstants::page64kMask);
auto physAddress1 = allocator.reserve64kPage(MemoryBanks::MainBank);
EXPECT_NE(physAddress, physAddress1);
EXPECT_EQ(0u, physAddress & MemoryConstants::page64kMask);
auto physAddress2 = allocator.reserve64kPage(MemoryBanks::MainBank);
EXPECT_NE(physAddress1, physAddress2);
EXPECT_EQ(0u, physAddress & MemoryConstants::page64kMask);
}
TEST(PhysicalAddressAllocator, givenPhysicalAddressesAllocatorWhenReservingInterleaving4kPagesAnd64kPagesThenReturnedAddressesAreCorrectlyAligned) {
MockPhysicalAddressAllocator allocator;
auto physAddress = allocator.reserve4kPage(MemoryBanks::MainBank);
EXPECT_NE(0u, physAddress);
EXPECT_EQ(0u, physAddress & MemoryConstants::pageMask);
auto physAddress1 = allocator.reserve64kPage(MemoryBanks::MainBank);
EXPECT_NE(physAddress, physAddress1);
EXPECT_EQ(0u, physAddress1 & MemoryConstants::page64kMask);
auto physAddress2 = allocator.reserve4kPage(MemoryBanks::MainBank);
EXPECT_NE(physAddress1, physAddress2);
EXPECT_EQ(0u, physAddress2 & MemoryConstants::pageMask);
auto physAddress3 = allocator.reserve64kPage(MemoryBanks::MainBank);
EXPECT_NE(physAddress, physAddress1);
EXPECT_EQ(0u, physAddress3 & MemoryConstants::page64kMask);
}