From: mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 9 Nov 2006 21:26:29 +0000 (+0000)
Subject: Add #define CPU_STACK_ALIGNMENT to the ProcessorBind.h for each of the supported... 
X-Git-Tag: edk2-stable201903~23957
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=caae4de6b65ff0b232de942b52ece4cb4e6fbb90

Add #define CPU_STACK_ALIGNMENT to the ProcessorBind.h for each of the supported CPU architectures.  This value is sizeof(UINTN) for IA-32, X64, and EBC.  It is 16 bytes for IPF.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1920 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/MdePkg/Include/Ebc/ProcessorBind.h b/MdePkg/Include/Ebc/ProcessorBind.h
index 5a6e7dc9bb..2cb0753867 100644
--- a/MdePkg/Include/Ebc/ProcessorBind.h
+++ b/MdePkg/Include/Ebc/ProcessorBind.h
@@ -61,6 +61,12 @@ typedef unsigned long         UINTN;
 // Maximum legal EBC address
 //
 #define MAX_ADDRESS   ((UINTN) ~0)
+
+//
+// The stack alignment required for EBC
+//
+#define CPU_STACK_ALIGNMENT   sizeof(UINTN)
+
 //
 // Modifier to ensure that all protocol member functions and EFI intrinsics
 // use the correct C calling convention. All protocol member functions and
diff --git a/MdePkg/Include/Ia32/ProcessorBind.h b/MdePkg/Include/Ia32/ProcessorBind.h
index e0ddba4fe5..b0a991ef81 100644
--- a/MdePkg/Include/Ia32/ProcessorBind.h
+++ b/MdePkg/Include/Ia32/ProcessorBind.h
@@ -146,6 +146,11 @@ typedef INT32   INTN;
 //
 #define MAX_ADDRESS   0xFFFFFFFF
 
+//
+// The stack alignment required for IA-32
+//
+#define CPU_STACK_ALIGNMENT   sizeof(UINTN)
+
 //
 // Modifier to ensure that all protocol member functions and EFI intrinsics
 // use the correct C calling convention. All protocol member functions and
diff --git a/MdePkg/Include/Ipf/ProcessorBind.h b/MdePkg/Include/Ipf/ProcessorBind.h
index 86374b2249..f3706a782a 100644
--- a/MdePkg/Include/Ipf/ProcessorBind.h
+++ b/MdePkg/Include/Ipf/ProcessorBind.h
@@ -171,6 +171,12 @@ typedef INT64   INTN;
 //
 #define MAX_ADDRESS   0xFFFFFFFFFFFFFFFFULL
 
+//
+// Per the Itanium Software Conventions and Runtime Architecture Guide,
+// section 3.3.4, IPF stack must always be 16-byte aligned.
+//
+#define CPU_STACK_ALIGNMENT   16
+
 //
 // Modifier to ensure that all protocol member functions and EFI intrinsics
 // use the correct C calling convention. All protocol member functions and
diff --git a/MdePkg/Include/x64/ProcessorBind.h b/MdePkg/Include/x64/ProcessorBind.h
index 3a2fea26ce..d8c76922c8 100644
--- a/MdePkg/Include/x64/ProcessorBind.h
+++ b/MdePkg/Include/x64/ProcessorBind.h
@@ -159,10 +159,15 @@ typedef INT64   INTN;
 #define MAX_2_BITS  0xC000000000000000
 
 //
-// Maximum legal Itanium-based address
+// Maximum legal X64 address
 //
 #define MAX_ADDRESS   0xFFFFFFFFFFFFFFFF
 
+//
+// The stack alignment required for X64
+//
+#define CPU_STACK_ALIGNMENT   sizeof(UINTN)
+
 //
 // Modifier to ensure that all protocol member functions and EFI intrinsics
 // use the correct C calling convention. All protocol member functions and