UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / UefiCpuPkg / Library / CpuExceptionHandlerLib / CpuExceptionCommon.h

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h
index 0f012bccde2b02c85b971ab6b76bd0dbaf98058d..4593c204a6e8ac078dac602d8ee0359a3e578b87 100644 (file)
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h
@@ -1,7 +1,7 @@
 /** @file\r
   Common header file for CPU Exception Handler Library.\r
 \r
-  Copyright (c) 2012 - 2019, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2012 - 2022, Intel Corporation. All rights reserved.<BR>\r
   SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
@@ -22,7 +22,7 @@
 \r
 #define  CPU_EXCEPTION_NUM    32\r
 #define  CPU_INTERRUPT_NUM    256\r
-#define  HOOKAFTER_STUB_SIZE  16\r
+#define  HOOKAFTER_STUB_SIZE  18\r
 \r
 //\r
 // Exception Error Code of Page-Fault Exception\r
@@ -290,18 +290,22 @@ CommonExceptionHandlerWorker (
   );\r
 \r
 /**\r
-  Setup separate stack for specific exceptions.\r
+  Setup separate stacks for certain exception handlers.\r
 \r
-  @param[in] StackSwitchData      Pointer to data required for setuping up\r
-                                  stack switch.\r
+  @param[in]       Buffer        Point to buffer used to separate exception stack.\r
+  @param[in, out]  BufferSize    On input, it indicates the byte size of Buffer.\r
+                                 If the size is not enough, the return status will\r
+                                 be EFI_BUFFER_TOO_SMALL, and output BufferSize\r
+                                 will be the size it needs.\r
 \r
-  @retval EFI_SUCCESS             The exceptions have been successfully\r
-                                  initialized with new stack.\r
-  @retval EFI_INVALID_PARAMETER   StackSwitchData contains invalid content.\r
+  @retval EFI_SUCCESS             The stacks are assigned successfully.\r
+  @retval EFI_BUFFER_TOO_SMALL    This BufferSize is too small.\r
+  @retval EFI_UNSUPPORTED         This function is not supported.\r
 **/\r
 EFI_STATUS\r
 ArchSetupExceptionStack (\r
-  IN CPU_EXCEPTION_INIT_DATA  *StackSwitchData\r
+  IN     VOID   *Buffer,\r
+  IN OUT UINTN  *BufferSize\r
   );\r
 \r
 /**\r