diff options
Diffstat (limited to 'arch/arm64/kernel/sys32.S')
| -rw-r--r-- | arch/arm64/kernel/sys32.S | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/arch/arm64/kernel/sys32.S b/arch/arm64/kernel/sys32.S deleted file mode 100644 index 423a5b3fc2be..000000000000 --- a/arch/arm64/kernel/sys32.S +++ /dev/null @@ -1,115 +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 <asm/assembler.h> -#include <asm/asm-offsets.h> - -/* - * System call wrappers for the AArch32 compatibility layer. - */ - -compat_sys_sigreturn_wrapper: - mov x0, sp - mov x27, #0 // prevent syscall restart handling (why) - b compat_sys_sigreturn -ENDPROC(compat_sys_sigreturn_wrapper) - -compat_sys_rt_sigreturn_wrapper: - mov x0, sp - mov x27, #0 // prevent syscall restart handling (why) - b compat_sys_rt_sigreturn -ENDPROC(compat_sys_rt_sigreturn_wrapper) - -compat_sys_statfs64_wrapper: - mov w3, #84 - cmp w1, #88 - csel w1, w3, w1, eq - b compat_sys_statfs64 -ENDPROC(compat_sys_statfs64_wrapper) - -compat_sys_fstatfs64_wrapper: - mov w3, #84 - cmp w1, #88 - csel w1, w3, w1, eq - b compat_sys_fstatfs64 -ENDPROC(compat_sys_fstatfs64_wrapper) - -/* - * Wrappers for AArch32 syscalls that either take 64-bit parameters - * in registers or that take 32-bit parameters which require sign - * extension. - */ -compat_sys_pread64_wrapper: - regs_to_64 x3, x4, x5 - b sys_pread64 -ENDPROC(compat_sys_pread64_wrapper) - -compat_sys_pwrite64_wrapper: - regs_to_64 x3, x4, x5 - b sys_pwrite64 -ENDPROC(compat_sys_pwrite64_wrapper) - -compat_sys_truncate64_wrapper: - regs_to_64 x1, x2, x3 - b sys_truncate -ENDPROC(compat_sys_truncate64_wrapper) - -compat_sys_ftruncate64_wrapper: - regs_to_64 x1, x2, x3 - b sys_ftruncate -ENDPROC(compat_sys_ftruncate64_wrapper) - -compat_sys_readahead_wrapper: - regs_to_64 x1, x2, x3 - mov w2, w4 - b sys_readahead -ENDPROC(compat_sys_readahead_wrapper) - -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) - -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) - -compat_sys_fallocate_wrapper: - regs_to_64 x2, x2, x3 - regs_to_64 x3, x4, x5 - b sys_fallocate -ENDPROC(compat_sys_fallocate_wrapper) - -#undef __SYSCALL -#define __SYSCALL(x, y) .quad y // x - -/* - * The system calls table must be 4KB aligned. - */ - .align 12 -ENTRY(compat_sys_call_table) -#include <asm/unistd32.h> |