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UefiCpuPkg/CpuPageTableLib/TestCase: Refine test case for PAE paging.

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Refine test case:
1. Check PAE paging reserved bits is zero.
2. Set stack as random value.

Reviewed-by: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
This commit is contained in:
Zhiguang Liu
2023-11-27 14:31:06 +08:00
committed by mergify[bot]
parent c83ffd2676
commit 02d6f39bd5
2 changed files with 34 additions and 4 deletions
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24
UefiCpuPkg/Library/CpuPageTableLib/UnitTest/RandomTest.c
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@ -138,6 +138,23 @@ RandomBoolean (
return ((Probability > ((UINT8)Random64 (0, 100))) ? TRUE : FALSE);
}
/**
Set 8K stack as random value.
**/
VOID
SetRandomStack (
VOID
)
{
UINT64 Buffer[SIZE_1KB];
UINTN Index;
for (Index = 0; Index < SIZE_1KB; Index++) {
Buffer[Index] = Random64 (0, MAX_UINT64);
Buffer[Index] = Buffer[Index];
}
}
/**
Check if the Page table entry is valid
@ -670,6 +687,7 @@ SingleMapEntryTest (
IsNotPresent = FALSE;
IsModified = FALSE;
SetRandomStack ();
GenerateSingleRandomMapEntry (MaxAddress, MapEntrys);
LastMapEntry = &MapEntrys->Maps[MapsIndex];
Status = PageTableParse (*PageTable, PagingMode, NULL, &MapCount);
@ -1039,7 +1057,11 @@ TestCaseforRandomTest (
mSupportedBit.Bits.Pat = 1;
mSupportedBit.Bits.Global = 1;
mSupportedBit.Bits.ProtectionKey = 0xF;
mSupportedBit.Bits.Nx = 1;
if (((CPU_PAGE_TABLE_LIB_RANDOM_TEST_CONTEXT *)Context)->PagingMode == PagingPae) {
mSupportedBit.Bits.ProtectionKey = 0;
}
mSupportedBit.Bits.Nx = 1;
mRandomOption = ((CPU_PAGE_TABLE_LIB_RANDOM_TEST_CONTEXT *)Context)->RandomOption;
mNumberIndex = 0;