ArmPkg/ArmCpuLib: Replaced complex functions ArmCpuSynchronizeWait & ArmCpuSynchroniz...

[mirror_edk2.git] / ArmPlatformPkg / PrePi / ModuleEntryPoint.S

diff --git a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S b/ArmPlatformPkg/PrePi/ModuleEntryPoint.S
index 52e50921b8ca6e7a7bfa6f01b2bf707bcc77b817..bff240a660bc5ef775ee34cce16db967ceb3206d 100755 (executable)
--- a/ArmPlatformPkg/PrePi/ModuleEntryPoint.S
+++ b/ArmPlatformPkg/PrePi/ModuleEntryPoint.S
@@ -52,7 +52,7 @@ _SetupStackPosition:
   LoadConstantToReg (FixedPcdGet32(PcdFdBaseAddress), r2)\r
   LoadConstantToReg (FixedPcdGet32(PcdFdSize), r3)\r
   sub   r3, r3, #1\r
-  add   r3, r3, r2      // r4 = FdTop = PcdFdBaseAddress + PcdFdSize\r
+  add   r3, r3, r2      // r3 = FdTop = PcdFdBaseAddress + PcdFdSize\r
 \r
   // UEFI Memory Size (stacks are allocated in this region)\r
   LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryUefiRegionSize), r4)\r
@@ -107,6 +107,7 @@ _GetStackBaseMpCore:
   // Stack for the primary core = PrimaryCoreStack\r
   LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)\r
   sub   r7, r1, r2\r
+\r
   // Stack for the secondary core = Number of Cluster * (4 Core per cluster) * SecondaryStackSize\r
   LoadConstantToReg (FixedPcdGet32(PcdClusterCount), r2)\r
   lsl   r2, r2, #2\r
@@ -118,7 +119,7 @@ _GetStackBaseMpCore:
   LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2)\r
   add   r1, r7, r2\r
 \r
-  // r7 = The base of the MpCore Stacks\r
+  // r7 = The base of the MpCore Stacks (primary stack + cluster_count * 4 * secondary stacks)\r
   // r1 = The base of the secondary Stacks = Top of the Primary stack\r
 \r
   // Is it the Primary Core ?\r