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openrisc: convert to generic syscall table

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The uapi/asm/unistd_32.h and asm/syscall_table_32.h headers can now be
generated from scripts/syscall.tbl, which makes this consistent with
the other architectures that have their own syscall.tbl.

openrisc has one extra system call that gets added to scripts/syscall.tbl.

The time32, stat64, rlimit and renameat entries in the syscall_abis_32
line are for system calls that were part of the generic ABI when
arch/nios2 got added but are no longer enabled by default for new
architectures.

Both the user visible side of asm/unistd.h and the internal syscall
table in the kernel should have the same effective contents after this.

When asm/syscalls.h is included in kernel/fork.c for the purpose of
type checking, the redirection macros cause problems.  Move these so
only the references get redirected.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann
2024-04-23 23:14:14 +02:00
parent ef608c5767
commit 77122bf9e3
8 changed files with 25 additions and 19 deletions
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2
arch/openrisc/include/uapi/asm/Kbuild
View File

@@ -1,2 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
syscall-y += unistd_32.h
generic-y += ucontext.h

14
arch/openrisc/include/uapi/asm/unistd.h
View File

@@ -17,16 +17,4 @@
* (at your option) any later version.
*/
#define sys_mmap2 sys_mmap_pgoff
#define __ARCH_WANT_RENAMEAT
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SET_GET_RLIMIT
#define __ARCH_WANT_SYS_FORK
#define __ARCH_WANT_SYS_CLONE
#define __ARCH_WANT_TIME32_SYSCALLS
#include <asm-generic/unistd.h>
#define __NR_or1k_atomic __NR_arch_specific_syscall
__SYSCALL(__NR_or1k_atomic, sys_or1k_atomic)
#include <asm/unistd_32.h>