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| //
| // Copyright (c) 2020, ARM Limited. All rights reserved.
| //
| // SPDX-License-Identifier: BSD-2-Clause-Patent
| //
|
| #include <AsmMacroIoLibV8.h>
|
| // VOID
| // RunAxfPivot (
| // IN ELF_ENTRYPOINT ElfEntry
| // IN UINTN Arg0,
| // IN UINTN Arg1,
| // IN UINTN Arg2,
| // IN UINTN Arg3
| // );
| ASM_FUNC(RunAxfPivot)
| // Preserve ElfEntry() and its arguments
| // Since we will not be returning from this function, we can clobber
| // callee preserved register instead.
| mov x19, x0
| mov x20, x1
| mov x21, x2
| mov x22, x3
| mov x23, x4
|
| bl ArmDisableDataCache
| bl ArmDisableMmu
|
| // Load ElfEntry()'s arguments into x0...x3
| mov x0, x20
| mov x1, x21
| mov x2, x22
| mov x3, x23
|
| // Call ElfEntry()
| blr x19
|
| 0:wfi
| wfe
| b 0b
|
|