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-rw-r--r--arch/microblaze/include/asm/syscalls.h39
-rw-r--r--arch/microblaze/kernel/entry-nommu.S12
-rw-r--r--arch/microblaze/kernel/entry.S11
-rw-r--r--arch/microblaze/kernel/signal.c2
-rw-r--r--arch/microblaze/kernel/sys_microblaze.c20
-rw-r--r--arch/microblaze/kernel/syscall_table.S6
6 files changed, 28 insertions, 62 deletions
diff --git a/arch/microblaze/include/asm/syscalls.h b/arch/microblaze/include/asm/syscalls.h
index ea23843e2c2..720761cc741 100644
--- a/arch/microblaze/include/asm/syscalls.h
+++ b/arch/microblaze/include/asm/syscalls.h
@@ -1,41 +1,8 @@
#ifndef __ASM_MICROBLAZE_SYSCALLS_H
-#define __ASM_MICROBLAZE_SYSCALLS_H
-#ifdef __KERNEL__
-#include <linux/compiler.h>
-#include <linux/linkage.h>
-#include <linux/types.h>
-#include <linux/signal.h>
+asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs);
+#define sys_clone sys_clone
-/* FIXME will be removed */
-asmlinkage int sys_ipc(uint call, int first, int second,
- int third, void *ptr, long fifth);
+#include <asm-generic/syscalls.h>
-struct pt_regs;
-asmlinkage int sys_vfork(struct pt_regs *regs);
-asmlinkage int sys_clone(int flags, unsigned long stack, struct pt_regs *regs);
-asmlinkage int sys_execve(char __user *filenamei, char __user *__user *argv,
- char __user *__user *envp, struct pt_regs *regs);
-
-asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff);
-
-asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, off_t offset);
-
-/* from signal.c */
-asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize,
- struct pt_regs *regs);
-
-asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act,
- struct sigaction __user *oact, size_t sigsetsize);
-
-asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
- struct pt_regs *regs);
-
-asmlinkage long sys_rt_sigreturn(struct pt_regs *regs);
-
-#endif /* __KERNEL__ */
#endif /* __ASM_MICROBLAZE_SYSCALLS_H */
diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S
index 2eaf3946cb4..9083d85376a 100644
--- a/arch/microblaze/kernel/entry-nommu.S
+++ b/arch/microblaze/kernel/entry-nommu.S
@@ -551,16 +551,16 @@ no_work_pending:
rtid r14, 0
nop
-sys_vfork_wrapper:
- brid sys_vfork
+sys_vfork:
+ brid microblaze_vfork
addk r5, r1, r0
-sys_clone_wrapper:
- brid sys_clone
+sys_clone:
+ brid microblaze_clone
addk r7, r1, r0
-sys_execve_wrapper:
- brid sys_execve
+sys_execve:
+ brid microblaze_execve
addk r8, r1, r0
sys_rt_sigreturn_wrapper:
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index ea7107652d8..c7353e79f4a 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -429,12 +429,11 @@ C_ENTRY(ret_from_fork):
brid ret_from_trap; /* Do normal trap return */
nop;
-C_ENTRY(sys_vfork_wrapper):
+C_ENTRY(sys_vfork):
+ brid microblaze_vfork /* Do real work (tail-call) */
la r5, r1, PTO
- brid sys_vfork /* Do real work (tail-call) */
- nop
-C_ENTRY(sys_clone_wrapper):
+C_ENTRY(sys_clone):
bnei r6, 1f; /* See if child SP arg (arg 1) is 0. */
lwi r6, r1, PTO+PT_R1; /* If so, use paret's stack ptr */
1: la r7, r1, PTO; /* Arg 2: parent context */
@@ -444,9 +443,9 @@ C_ENTRY(sys_clone_wrapper):
brid do_fork /* Do real work (tail-call) */
nop;
-C_ENTRY(sys_execve_wrapper):
+C_ENTRY(sys_execve):
la r8, r1, PTO; /* add user context as 4th arg */
- brid sys_execve; /* Do real work (tail-call).*/
+ brid microblaze_execve; /* Do real work (tail-call).*/
nop;
C_ENTRY(sys_rt_sigsuspend_wrapper):
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 2e5862c3002..493819c25fb 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -46,7 +46,7 @@
asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset, int in_sycall);
-asmlinkage int
+asmlinkage long
sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
struct pt_regs *regs)
{
diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c
index 31905ff590b..8c9ebac5da1 100644
--- a/arch/microblaze/kernel/sys_microblaze.c
+++ b/arch/microblaze/kernel/sys_microblaze.c
@@ -39,7 +39,7 @@
*
* This is really horribly ugly. This will be remove with new toolchain.
*/
-asmlinkage int
+asmlinkage long
sys_ipc(uint call, int first, int second, int third, void *ptr, long fifth)
{
int version, ret;
@@ -134,20 +134,20 @@ sys_ipc(uint call, int first, int second, int third, void *ptr, long fifth)
return ret;
}
-asmlinkage int sys_vfork(struct pt_regs *regs)
+asmlinkage long microblaze_vfork(struct pt_regs *regs)
{
return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->r1,
regs, 0, NULL, NULL);
}
-asmlinkage int sys_clone(int flags, unsigned long stack, struct pt_regs *regs)
+asmlinkage long microblaze_clone(int flags, unsigned long stack, struct pt_regs *regs)
{
if (!stack)
stack = regs->r1;
return do_fork(flags, stack, regs, 0, NULL, NULL);
}
-asmlinkage int sys_execve(char __user *filenamei, char __user *__user *argv,
+asmlinkage long microblaze_execve(char __user *filenamei, char __user *__user *argv,
char __user *__user *envp, struct pt_regs *regs)
{
int error;
@@ -163,8 +163,8 @@ out:
return error;
}
-asmlinkage unsigned long
-sys_mmap2(unsigned long addr, size_t len,
+asmlinkage long
+sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
{
@@ -189,18 +189,18 @@ out:
return ret;
}
-asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len,
+asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
- unsigned long fd, off_t offset)
+ unsigned long fd, off_t pgoff)
{
int err = -EINVAL;
- if (offset & ~PAGE_MASK) {
+ if (pgoff & ~PAGE_MASK) {
printk(KERN_INFO "no pagemask in mmap\r\n");
goto out;
}
- err = sys_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
+ err = sys_mmap2(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
out:
return err;
}
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index ef0e8932af3..8a609354dde 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -15,7 +15,7 @@ ENTRY(sys_call_table)
.long sys_creat
.long sys_link
.long sys_unlink /* 10 */
- .long sys_execve_wrapper
+ .long sys_execve
.long sys_chdir
.long sys_time
.long sys_mknod
@@ -124,7 +124,7 @@ ENTRY(sys_call_table)
.long sys_ipc
.long sys_fsync
.long sys_ni_syscall /* sys_sigreturn_wrapper */
- .long sys_clone_wrapper /* 120 */
+ .long sys_clone /* 120 */
.long sys_setdomainname
.long sys_newuname
.long sys_ni_syscall /* modify_ldt */
@@ -194,7 +194,7 @@ ENTRY(sys_call_table)
.long sys_sendfile
.long sys_ni_syscall /* reserved for streams1 */
.long sys_ni_syscall /* reserved for streams2 */
- .long sys_vfork_wrapper /* 190 */
+ .long sys_vfork /* 190 */
.long sys_getrlimit
.long sys_mmap2 /* mmap2 */
.long sys_truncate64
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-15 15:43:19 +0000