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Diffstat (limited to 'arch/arm64/kernel/entry32.S')
-rw-r--r--arch/arm64/kernel/entry32.S121
1 files changed, 0 insertions, 121 deletions
diff --git a/arch/arm64/kernel/entry32.S b/arch/arm64/kernel/entry32.S
deleted file mode 100644
index f332d5d1f6b4..000000000000
--- a/arch/arm64/kernel/entry32.S
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Compat system call wrappers
- *
- * Copyright (C) 2012 ARM Ltd.
- * Authors: Will Deacon <will.deacon@arm.com>
- * Catalin Marinas <catalin.marinas@arm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/linkage.h>
-#include <linux/const.h>
-
-#include <asm/assembler.h>
-#include <asm/asm-offsets.h>
-#include <asm/errno.h>
-#include <asm/page.h>
-
-/*
- * System call wrappers for the AArch32 compatibility layer.
- */
-
-ENTRY(compat_sys_sigreturn_wrapper)
- mov x0, sp
- b compat_sys_sigreturn
-ENDPROC(compat_sys_sigreturn_wrapper)
-
-ENTRY(compat_sys_rt_sigreturn_wrapper)
- mov x0, sp
- b compat_sys_rt_sigreturn
-ENDPROC(compat_sys_rt_sigreturn_wrapper)
-
-ENTRY(compat_sys_statfs64_wrapper)
- mov w3, #84
- cmp w1, #88
- csel w1, w3, w1, eq
- b compat_sys_statfs64
-ENDPROC(compat_sys_statfs64_wrapper)
-
-ENTRY(compat_sys_fstatfs64_wrapper)
- mov w3, #84
- cmp w1, #88
- csel w1, w3, w1, eq
- b compat_sys_fstatfs64
-ENDPROC(compat_sys_fstatfs64_wrapper)
-
-/*
- * Note: off_4k (w5) is always in units of 4K. If we can't do the
- * requested offset because it is not page-aligned, we return -EINVAL.
- */
-ENTRY(compat_sys_mmap2_wrapper)
-#if PAGE_SHIFT > 12
- tst w5, #~PAGE_MASK >> 12
- b.ne 1f
- lsr w5, w5, #PAGE_SHIFT - 12
-#endif
- b sys_mmap_pgoff
-1: mov x0, #-EINVAL
- ret
-ENDPROC(compat_sys_mmap2_wrapper)
-
-/*
- * Wrappers for AArch32 syscalls that either take 64-bit parameters
- * in registers or that take 32-bit parameters which require sign
- * extension.
- */
-ENTRY(compat_sys_pread64_wrapper)
- regs_to_64 x3, x4, x5
- b sys_pread64
-ENDPROC(compat_sys_pread64_wrapper)
-
-ENTRY(compat_sys_pwrite64_wrapper)
- regs_to_64 x3, x4, x5
- b sys_pwrite64
-ENDPROC(compat_sys_pwrite64_wrapper)
-
-ENTRY(compat_sys_truncate64_wrapper)
- regs_to_64 x1, x2, x3
- b sys_truncate
-ENDPROC(compat_sys_truncate64_wrapper)
-
-ENTRY(compat_sys_ftruncate64_wrapper)
- regs_to_64 x1, x2, x3
- b sys_ftruncate
-ENDPROC(compat_sys_ftruncate64_wrapper)
-
-ENTRY(compat_sys_readahead_wrapper)
- regs_to_64 x1, x2, x3
- mov w2, w4
- b sys_readahead
-ENDPROC(compat_sys_readahead_wrapper)
-
-ENTRY(compat_sys_fadvise64_64_wrapper)
- mov w6, w1
- regs_to_64 x1, x2, x3
- regs_to_64 x2, x4, x5
- mov w3, w6
- b sys_fadvise64_64
-ENDPROC(compat_sys_fadvise64_64_wrapper)
-
-ENTRY(compat_sys_sync_file_range2_wrapper)
- regs_to_64 x2, x2, x3
- regs_to_64 x3, x4, x5
- b sys_sync_file_range2
-ENDPROC(compat_sys_sync_file_range2_wrapper)
-
-ENTRY(compat_sys_fallocate_wrapper)
- regs_to_64 x2, x2, x3
- regs_to_64 x3, x4, x5
- b sys_fallocate
-ENDPROC(compat_sys_fallocate_wrapper)