arm64: efi: Move efi-entry.S into the libstub source directory

[linux-2.6-microblaze.git] / arch / arm64 / kernel / efi-entry.S

diff --git a/arch/arm64/kernel/efi-entry.S b/arch/arm64/kernel/efi-entry.S
deleted file mode 100644 (file)
index 8bce133..0000000
--- a/arch/arm64/kernel/efi-entry.S
+++ /dev/null
@@ -1,61 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * EFI entry point.
- *
- * Copyright (C) 2013, 2014 Red Hat, Inc.
- * Author: Mark Salter <msalter@redhat.com>
- */
-#include <linux/linkage.h>
-#include <linux/init.h>
-
-#include <asm/assembler.h>
-
-       __INIT
-
-SYM_CODE_START(efi_enter_kernel)
-       /*
-        * efi_pe_entry() will have copied the kernel image if necessary and we
-        * end up here with device tree address in x1 and the kernel entry
-        * point stored in x0. Save those values in registers which are
-        * callee preserved.
-        */
-       ldr     w2, =primary_entry_offset
-       add     x19, x0, x2             // relocated Image entrypoint
-
-       mov     x0, x1                  // DTB address
-       mov     x1, xzr
-       mov     x2, xzr
-       mov     x3, xzr
-
-       /*
-        * Clean the remainder of this routine to the PoC
-        * so that we can safely disable the MMU and caches.
-        */
-       adr     x4, 1f
-       dc      civac, x4
-       dsb     sy
-
-       /* Turn off Dcache and MMU */
-       mrs     x4, CurrentEL
-       cmp     x4, #CurrentEL_EL2
-       mrs     x4, sctlr_el1
-       b.ne    0f
-       mrs     x4, sctlr_el2
-0:     bic     x4, x4, #SCTLR_ELx_M
-       bic     x4, x4, #SCTLR_ELx_C
-       b.eq    1f
-       b       2f
-
-       .balign 32
-1:     pre_disable_mmu_workaround
-       msr     sctlr_el2, x4
-       isb
-       br      x19             // jump to kernel entrypoint
-
-2:     pre_disable_mmu_workaround
-       msr     sctlr_el1, x4
-       isb
-       br      x19             // jump to kernel entrypoint
-
-       .org    1b + 32
-SYM_CODE_END(efi_enter_kernel)