diff options
Diffstat (limited to 'ArmPlatformPkg/PrePi')
| -rwxr-xr-x | ArmPlatformPkg/PrePi/ModuleEntryPoint.S | 3 | ||||
| -rw-r--r-- | ArmPlatformPkg/PrePi/ModuleEntryPoint.asm | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S b/ArmPlatformPkg/PrePi/ModuleEntryPoint.S index c10dfbaf0f..bff240a660 100755 --- a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S +++ b/ArmPlatformPkg/PrePi/ModuleEntryPoint.S @@ -107,6 +107,7 @@ _GetStackBaseMpCore: // Stack for the primary core = PrimaryCoreStack
LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)
sub r7, r1, r2
+
// Stack for the secondary core = Number of Cluster * (4 Core per cluster) * SecondaryStackSize
LoadConstantToReg (FixedPcdGet32(PcdClusterCount), r2)
lsl r2, r2, #2
@@ -118,7 +119,7 @@ _GetStackBaseMpCore: LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)
add r1, r7, r2
- // r7 = The base of the MpCore Stacks
+ // r7 = The base of the MpCore Stacks (primary stack + cluster_count * 4 * secondary stacks)
// r1 = The base of the secondary Stacks = Top of the Primary stack
// Is it the Primary Core ?
diff --git a/ArmPlatformPkg/PrePi/ModuleEntryPoint.asm b/ArmPlatformPkg/PrePi/ModuleEntryPoint.asm index ba82f403f7..1e1938c8f3 100644 --- a/ArmPlatformPkg/PrePi/ModuleEntryPoint.asm +++ b/ArmPlatformPkg/PrePi/ModuleEntryPoint.asm @@ -108,6 +108,7 @@ _GetStackBaseMpCore // Stack for the primary core = PrimaryCoreStack
LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)
sub r7, r1, r2
+
// Stack for the secondary core = Number of Cluster * (4 Core per cluster) * SecondaryStackSize
LoadConstantToReg (FixedPcdGet32(PcdClusterCount), r2)
lsl r2, r2, #2
@@ -119,7 +120,7 @@ _GetStackBaseMpCore LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)
add r1, r7, r2
- // r7 = The base of the MpCore Stacks
+ // r7 = The base of the MpCore Stacks (primary stack + cluster_count * 4 * secondary stacks)
// r1 = The base of the secondary Stacks = Top of the Primary stack
// Is it the Primary Core ?
|