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[PATCH] s390: new system calls

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Add sys_set_robust_list, sys_get_robust_list, sys_splice, sys_sync_file and
sys_tee system calls.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Martin Schwidefsky 2006-04-27 18:40:33 -07:00 committed by Linus Torvalds
parent 3d05259542
commit a3266a9304
2 changed files with 47 additions and 0 deletions
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42
arch/s390/kernel/compat_wrapper.S
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@ -1608,3 +1608,45 @@ compat_sys_ppoll_wrapper:
sys_unshare_wrapper:
llgfr %r2,%r2 # unsigned long
jg sys_unshare
.globl compat_sys_set_robust_list_wrapper
compat_sys_set_robust_list_wrapper:
llgtr %r2,%r2 # struct compat_robust_list_head *
llgfr %r3,%r3 # size_t
jg compat_sys_set_robust_list
.globl compat_sys_get_robust_list_wrapper
compat_sys_get_robust_list_wrapper:
lgfr %r2,%r2 # int
llgtr %r3,%r3 # compat_uptr_t_t *
llgtr %r4,%r4 # compat_size_t *
jg compat_sys_get_robust_list
.globl sys_splice_wrapper
sys_splice_wrapper:
lgfr %r2,%r2 # int
llgtr %r3,%r3 # loff_t *
lgfr %r4,%r4 # int
llgtr %r5,%r5 # loff_t *
llgfr %r6,%r6 # size_t
llgf %r0,164(%r15) # unsigned int
stg %r0,160(%r15)
jg sys_splice
.globl sys_sync_file_range_wrapper
sys_sync_file_range_wrapper:
lgfr %r2,%r2 # int
sllg %r3,%r3,32 # get high word of 64bit loff_t
or %r3,%r4 # get low word of 64bit loff_t
sllg %r4,%r5,32 # get high word of 64bit loff_t
or %r4,%r6 # get low word of 64bit loff_t
llgf %r5,164(%r15) # unsigned int
jg sys_sync_file_range
.globl sys_tee_wrapper
sys_tee_wrapper:
lgfr %r2,%r2 # int
lgfr %r3,%r3 # int
llgfr %r4,%r4 # size_t
llgfr %r5,%r5 # unsigned int
jg sys_tee

5
arch/s390/kernel/syscalls.S
View file

@ -312,3 +312,8 @@ SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper) /* 300 */
SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper)
SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper)
SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper)
SYSCALL(sys_set_robust_list,sys_set_robust_list,compat_sys_set_robust_list_wrapper)
SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list_wrapper)
SYSCALL(sys_splice,sys_splice,sys_splice_wrapper)
SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)