diff options
Diffstat (limited to 'ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm')
-rw-r--r-- | ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm b/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm deleted file mode 100644 index 2734b09..0000000 --- a/ArmPlatformPkg/PrePeiCore/Arm/PrePeiCoreEntryPoint.asm +++ /dev/null @@ -1,89 +0,0 @@ -//
-// Copyright (c) 2011-2013, ARM Limited. All rights reserved.
-//
-// SPDX-License-Identifier: BSD-2-Clause-Patent
-//
-//
-
-#include <AutoGen.h>
-
- INCLUDE AsmMacroIoLib.inc
-
- IMPORT CEntryPoint
- IMPORT ArmPlatformGetCorePosition
- IMPORT ArmPlatformIsPrimaryCore
- IMPORT ArmReadMpidr
- IMPORT ArmPlatformPeiBootAction
- EXPORT _ModuleEntryPoint
-
- PRESERVE8
- AREA PrePeiCoreEntryPoint, CODE, READONLY
-
-StartupAddr DCD CEntryPoint
-
-_ModuleEntryPoint
- // Do early platform specific actions
- bl ArmPlatformPeiBootAction
-
- // Identify CPU ID
- bl ArmReadMpidr
- // Keep a copy of the MpId register value
- mov r5, r0
-
- // Is it the Primary Core ?
- bl ArmPlatformIsPrimaryCore
-
- // Get the top of the primary stacks (and the base of the secondary stacks)
- mov32 r1, FixedPcdGet64(PcdCPUCoresStackBase) + FixedPcdGet32(PcdCPUCorePrimaryStackSize)
-
- // r0 is equal to 1 if I am the primary core
- cmp r0, #1
- beq _SetupPrimaryCoreStack
-
-_SetupSecondaryCoreStack
- // r1 contains the base of the secondary stacks
-
- // Get the Core Position
- mov r6, r1 // Save base of the secondary stacks
- mov r0, r5
- bl ArmPlatformGetCorePosition
- // The stack starts at the top of the stack region. Add '1' to the Core Position to get the top of the stack
- add r0, r0, #1
-
- // StackOffset = CorePos * StackSize
- mov32 r2, FixedPcdGet32(PcdCPUCoreSecondaryStackSize)
- mul r0, r0, r2
- // SP = StackBase + StackOffset
- add sp, r6, r0
-
-_PrepareArguments
- // The PEI Core Entry Point has been computed by GenFV and stored in the second entry of the Reset Vector
- mov32 r2, FixedPcdGet32(PcdFvBaseAddress)
- ldr r1, [r2, #4]
-
- // Move sec startup address into a data register
- // Ensure we're jumping to FV version of the code (not boot remapped alias)
- ldr r3, StartupAddr
-
- // Jump to PrePeiCore C code
- // r0 = mp_id
- // r1 = pei_core_address
- mov r0, r5
- blx r3
-
-_SetupPrimaryCoreStack
- mov sp, r1
- mov32 r8, FixedPcdGet64 (PcdCPUCoresStackBase)
- mov32 r9, FixedPcdGet32 (PcdInitValueInTempStack)
- mov r10, r9
- mov r11, r9
- mov r12, r9
-0:stm r8!, {r9-r12}
- cmp r8, r1
- blt 0b
- b _PrepareArguments
-
-_NeverReturn
- b _NeverReturn
-
- END
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