diff options
Diffstat (limited to 'ArmPkg/Include/AsmMacroIoLib.h')
| -rw-r--r-- | ArmPkg/Include/AsmMacroIoLib.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/ArmPkg/Include/AsmMacroIoLib.h b/ArmPkg/Include/AsmMacroIoLib.h index 9ef3430aaa..644c654665 100644 --- a/ArmPkg/Include/AsmMacroIoLib.h +++ b/ArmPkg/Include/AsmMacroIoLib.h @@ -119,6 +119,21 @@ .long (_Data) ; \
1:
+// Convert the (ClusterId,CoreId) into a Core Position
+// We assume there are 4 cores per cluster
+#define GetCorePositionInStack(Pos, MpId, Tmp) \
+ lsr Pos, MpId, #6 ; \
+ and Tmp, MpId, #3 ; \
+ add Pos, Pos, Tmp
+
+// Reserve a region at the top of the Primary Core stack
+// for Global variables for the XIP phase
+#define SetPrimaryStack(StackTop, GlobalSize, Tmp) \
+ and Tmp, GlobalSize, #7 ; \
+ rsbne Tmp, Tmp, #8 ; \
+ add GlobalSize, GlobalSize, Tmp ; \
+ sub sp, StackTop, GlobalSize
+
#elif defined (__GNUC__)
|