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* [edk2-platforms: PATCH] REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3787
@ 2021-12-20  8:50 JackX Lin
  0 siblings, 0 replies; only message in thread
From: JackX Lin @ 2021-12-20  8:50 UTC (permalink / raw)
  To: devel
  Cc: JackX Lin, JackX Lin, Chasel Chiu, Dong Eric, Jiewen Yao, Ray Ni,
	Rangasai V Chaganty, Donald Kuo, Chandana C Kumar

System will occur a CPU exception error when sorting CPU
APIC map, because of a pointer point to an wrong space.

Signed-off-by: JackX Lin <JackX.Lin@intel.com>
Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Dong Eric <eric.dong@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Cc: Donald Kuo <Donald.Kuo@intel.com>
Cc: Chandana C Kumar <chandana.c.kumar@intel.com>
Cc: JackX Lin <JackX.Lin@intel.com>
---
 Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c b/Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
index 785cf4c2f9..e346d781db 100644
--- a/Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
+++ b/Platform/Intel/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
@@ -231,9 +231,9 @@ SortCpuLocalApicInTable (
   if (TempCpuApicIdOrderTable[0].ApicId != BspApicId) {
     for (Index = 0; Index < mNumberOfCpus; Index++) {
       if ((TempCpuApicIdOrderTable[Index].Flags == 1) && (TempCpuApicIdOrderTable[Index].ApicId == BspApicId)) {
-        CopyMem (&TempVal, &TempCpuApicIdOrderTable[Index], sizeof (EFI_CPU_ID_ORDER_MAP));
+        CopyMem (TempVal, &TempCpuApicIdOrderTable[Index], sizeof (EFI_CPU_ID_ORDER_MAP));
         CopyMem (&TempCpuApicIdOrderTable[Index], &TempCpuApicIdOrderTable[0], sizeof (EFI_CPU_ID_ORDER_MAP));
-        CopyMem (&TempCpuApicIdOrderTable[0], &TempVal, sizeof (EFI_CPU_ID_ORDER_MAP));
+        CopyMem (&TempCpuApicIdOrderTable[0], TempVal, sizeof (EFI_CPU_ID_ORDER_MAP));
         break;
       }
     }
-- 
2.32.0.windows.2


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