aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/include/asm/linkage.h13
-rw-r--r--arch/powerpc/include/asm/systbl.h10
-rw-r--r--arch/powerpc/include/asm/unistd.h6
-rw-r--r--arch/powerpc/include/uapi/asm/linkage.h6
-rw-r--r--arch/powerpc/kernel/sys_ppc32.c109
6 files changed, 18 insertions, 127 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index ea5bb045983a..a0259edae5c9 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -114,7 +114,6 @@ config PPC
select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_OPROFILE
select HAVE_DEBUG_KMEMLEAK
- select HAVE_SYSCALL_WRAPPERS if PPC64
select GENERIC_ATOMIC64 if PPC32
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select HAVE_PERF_EVENTS
diff --git a/arch/powerpc/include/asm/linkage.h b/arch/powerpc/include/asm/linkage.h
new file mode 100644
index 000000000000..b36f650a13ff
--- /dev/null
+++ b/arch/powerpc/include/asm/linkage.h
@@ -0,0 +1,13 @@
+#ifndef _ASM_POWERPC_LINKAGE_H
+#define _ASM_POWERPC_LINKAGE_H
+
+#ifdef CONFIG_PPC64
+#define cond_syscall(x) \
+ asm ("\t.weak " #x "\n\t.set " #x ", sys_ni_syscall\n" \
+ "\t.weak ." #x "\n\t.set ." #x ", .sys_ni_syscall\n")
+#define SYSCALL_ALIAS(alias, name) \
+ asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n" \
+ "\t.globl ." #alias "\n\t.set ." #alias ", ." #name)
+#endif
+
+#endif /* _ASM_POWERPC_LINKAGE_H */
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index ebbec52d21bd..43523fe0d8b4 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -190,7 +190,7 @@ SYSCALL_SPU(getcwd)
SYSCALL_SPU(capget)
SYSCALL_SPU(capset)
COMPAT_SYS(sigaltstack)
-SYSX_SPU(sys_sendfile,compat_sys_sendfile_wrapper,sys_sendfile)
+COMPAT_SYS_SPU(sendfile)
SYSCALL(ni_syscall)
SYSCALL(ni_syscall)
PPC_SYS(vfork)
@@ -230,7 +230,7 @@ COMPAT_SYS_SPU(sched_setaffinity)
COMPAT_SYS_SPU(sched_getaffinity)
SYSCALL(ni_syscall)
SYSCALL(ni_syscall)
-SYSX(sys_ni_syscall,compat_sys_sendfile64_wrapper,sys_sendfile64)
+SYS32ONLY(sendfile64)
COMPAT_SYS_SPU(io_setup)
SYSCALL_SPU(io_destroy)
COMPAT_SYS_SPU(io_getevents)
@@ -239,7 +239,7 @@ SYSCALL_SPU(io_cancel)
SYSCALL(set_tid_address)
SYSX_SPU(sys_fadvise64,ppc32_fadvise64,sys_fadvise64)
SYSCALL(exit_group)
-SYSX(sys_lookup_dcookie,ppc32_lookup_dcookie,sys_lookup_dcookie)
+COMPAT_SYS(lookup_dcookie)
SYSCALL_SPU(epoll_create)
SYSCALL_SPU(epoll_ctl)
SYSCALL_SPU(epoll_wait)
@@ -273,8 +273,8 @@ COMPAT_SYS(mq_timedreceive)
COMPAT_SYS(mq_notify)
COMPAT_SYS(mq_getsetattr)
COMPAT_SYS(kexec_load)
-COMPAT_SYS(add_key)
-COMPAT_SYS(request_key)
+SYSCALL(add_key)
+SYSCALL(request_key)
COMPAT_SYS(keyctl)
COMPAT_SYS(waitid)
SYSCALL(ioprio_set)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 1487f0f12293..3ca819f541bf 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -56,11 +56,5 @@
#define __ARCH_WANT_SYS_VFORK
#define __ARCH_WANT_SYS_CLONE
-/*
- * "Conditional" syscalls
- */
-#define cond_syscall(x) \
- asmlinkage long x (void) __attribute__((weak,alias("sys_ni_syscall")))
-
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/powerpc/include/uapi/asm/linkage.h b/arch/powerpc/include/uapi/asm/linkage.h
deleted file mode 100644
index e1c4ac1cc4ba..000000000000
--- a/arch/powerpc/include/uapi/asm/linkage.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_POWERPC_LINKAGE_H
-#define _ASM_POWERPC_LINKAGE_H
-
-/* Nothing to see here... */
-
-#endif /* _ASM_POWERPC_LINKAGE_H */
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index d0bafc0cdf06..cd6e19d263b3 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -61,91 +61,6 @@ asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp,
return compat_sys_select((int)n, inp, outp, exp, compat_ptr(tvp_x));
}
-#ifdef CONFIG_SYSVIPC
-long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr,
- u32 fifth)
-{
- int version;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
-
- switch (call) {
-
- case SEMTIMEDOP:
- if (fifth)
- /* sign extend semid */
- return compat_sys_semtimedop((int)first,
- compat_ptr(ptr), second,
- compat_ptr(fifth));
- /* else fall through for normal semop() */
- case SEMOP:
- /* struct sembuf is the same on 32 and 64bit :)) */
- /* sign extend semid */
- return sys_semtimedop((int)first, compat_ptr(ptr), second,
- NULL);
- case SEMGET:
- /* sign extend key, nsems */
- return sys_semget((int)first, (int)second, third);
- case SEMCTL:
- /* sign extend semid, semnum */
- return compat_sys_semctl((int)first, (int)second, third,
- compat_ptr(ptr));
-
- case MSGSND:
- /* sign extend msqid */
- return compat_sys_msgsnd((int)first, (int)second, third,
- compat_ptr(ptr));
- case MSGRCV:
- /* sign extend msqid, msgtyp */
- return compat_sys_msgrcv((int)first, second, (int)fifth,
- third, version, compat_ptr(ptr));
- case MSGGET:
- /* sign extend key */
- return sys_msgget((int)first, second);
- case MSGCTL:
- /* sign extend msqid */
- return compat_sys_msgctl((int)first, second, compat_ptr(ptr));
-
- case SHMAT:
- /* sign extend shmid */
- return compat_sys_shmat((int)first, second, third, version,
- compat_ptr(ptr));
- case SHMDT:
- return sys_shmdt(compat_ptr(ptr));
- case SHMGET:
- /* sign extend key_t */
- return sys_shmget((int)first, second, third);
- case SHMCTL:
- /* sign extend shmid */
- return compat_sys_shmctl((int)first, second, compat_ptr(ptr));
-
- default:
- return -ENOSYS;
- }
-
- return -ENOSYS;
-}
-#endif
-
-/* Note: it is necessary to treat out_fd and in_fd as unsigned ints,
- * with the corresponding cast to a signed int to insure that the
- * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
- * and the register representation of a signed int (msr in 64-bit mode) is performed.
- */
-asmlinkage long compat_sys_sendfile_wrapper(u32 out_fd, u32 in_fd,
- compat_off_t __user *offset, u32 count)
-{
- return compat_sys_sendfile((int)out_fd, (int)in_fd, offset, count);
-}
-
-asmlinkage long compat_sys_sendfile64_wrapper(u32 out_fd, u32 in_fd,
- compat_loff_t __user *offset, u32 count)
-{
- return sys_sendfile((int)out_fd, (int)in_fd,
- (off_t __user *)offset, count);
-}
-
unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
@@ -195,13 +110,6 @@ asmlinkage int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long h
return sys_ftruncate(fd, (high << 32) | low);
}
-long ppc32_lookup_dcookie(u32 cookie_high, u32 cookie_low, char __user *buf,
- size_t len)
-{
- return sys_lookup_dcookie((u64)cookie_high << 32 | cookie_low,
- buf, len);
-}
-
long ppc32_fadvise64(int fd, u32 unused, u32 offset_high, u32 offset_low,
size_t len, int advice)
{
@@ -209,23 +117,6 @@ long ppc32_fadvise64(int fd, u32 unused, u32 offset_high, u32 offset_low,
advice);
}
-asmlinkage long compat_sys_add_key(const char __user *_type,
- const char __user *_description,
- const void __user *_payload,
- u32 plen,
- u32 ringid)
-{
- return sys_add_key(_type, _description, _payload, plen, ringid);
-}
-
-asmlinkage long compat_sys_request_key(const char __user *_type,
- const char __user *_description,
- const char __user *_callout_info,
- u32 destringid)
-{
- return sys_request_key(_type, _description, _callout_info, destringid);
-}
-
asmlinkage long compat_sys_sync_file_range2(int fd, unsigned int flags,
unsigned offset_hi, unsigned offset_lo,
unsigned nbytes_hi, unsigned nbytes_lo)
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 09:28:13 +0000