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authorAl Viro <viro@zeniv.linux.org.uk>2012-09-27 08:51:20 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-10-16 19:03:52 -0400
commit32942bc7a609a874f462e1168dbeae20dbc6b79f (patch)
tree84262d846e541cc0235dfeb3c9aaef70cb5779b9 /arch/sparc/kernel
parenteb48ffcf0e55e511ae87e9d99117d5e2b9e27153 (diff)
sparc32: bury the remnants of LOWSYS tricks
Time to end that depravity, let's bury the body. It's been 15 years, for crying out loud... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r--arch/sparc/kernel/entry.S15
1 files changed, 2 insertions, 13 deletions
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index dcaa1cf0de40..dc089702e00a 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -959,17 +959,9 @@ flush_patch_four:
959 .align 4 959 .align 4
960linux_sparc_ni_syscall: 960linux_sparc_ni_syscall:
961 sethi %hi(sys_ni_syscall), %l7 961 sethi %hi(sys_ni_syscall), %l7
962 b syscall_is_too_hard 962 b do_syscall
963 or %l7, %lo(sys_ni_syscall), %l7 963 or %l7, %lo(sys_ni_syscall), %l7
964 964
965linux_fast_syscall:
966 andn %l7, 3, %l7
967 mov %i0, %o0
968 mov %i1, %o1
969 mov %i2, %o2
970 jmpl %l7 + %g0, %g0
971 mov %i3, %o3
972
973linux_syscall_trace: 965linux_syscall_trace:
974 add %sp, STACKFRAME_SZ, %o0 966 add %sp, STACKFRAME_SZ, %o0
975 call syscall_trace 967 call syscall_trace
@@ -1002,11 +994,8 @@ linux_sparc_syscall:
1002 bgeu linux_sparc_ni_syscall 994 bgeu linux_sparc_ni_syscall
1003 sll %g1, 2, %l4 995 sll %g1, 2, %l4
1004 ld [%l7 + %l4], %l7 996 ld [%l7 + %l4], %l7
1005 andcc %l7, 1, %g0
1006 bne linux_fast_syscall
1007 /* Just do first insn from SAVE_ALL in the delay slot */
1008 997
1009syscall_is_too_hard: 998do_syscall:
1010 SAVE_ALL_HEAD 999 SAVE_ALL_HEAD
1011 rd %wim, %l3 1000 rd %wim, %l3
1012 1001