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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 without using the stack.
| // Since we will not be returning from this function, we can clobber
| // callee preserved register instead.
| mov r4, r0
| mov r5, r1
| mov r6, r2
| mov r7, r3
| pop {r8}
|
| bl ArmDisableDataCache
| bl ArmDisableMmu
|
| // Load ElfEntry()'s arguments into x0...x3
| mov r0, r5
| mov r1, r6
| mov r2, r7
| mov r3, r8
|
| // Call ElfEntry()
| blx r4
|
| 0:wfi
| wfe
| b 0b
|
|
