diff options
Diffstat (limited to 'arch/sparc/kernel/getsetcc.S')
-rw-r--r-- | arch/sparc/kernel/getsetcc.S | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/sparc/kernel/getsetcc.S b/arch/sparc/kernel/getsetcc.S new file mode 100644 index 000000000000..a14d272d2061 --- /dev/null +++ b/arch/sparc/kernel/getsetcc.S | |||
@@ -0,0 +1,24 @@ | |||
1 | .globl getcc | ||
2 | .type getcc,#function | ||
3 | getcc: | ||
4 | ldx [%o0 + PT_V9_TSTATE], %o1 | ||
5 | srlx %o1, 32, %o1 | ||
6 | and %o1, 0xf, %o1 | ||
7 | retl | ||
8 | stx %o1, [%o0 + PT_V9_G1] | ||
9 | .size getcc,.-getcc | ||
10 | |||
11 | .globl setcc | ||
12 | .type setcc,#function | ||
13 | setcc: | ||
14 | ldx [%o0 + PT_V9_TSTATE], %o1 | ||
15 | ldx [%o0 + PT_V9_G1], %o2 | ||
16 | or %g0, %ulo(TSTATE_ICC), %o3 | ||
17 | sllx %o3, 32, %o3 | ||
18 | andn %o1, %o3, %o1 | ||
19 | sllx %o2, 32, %o2 | ||
20 | and %o2, %o3, %o2 | ||
21 | or %o1, %o2, %o1 | ||
22 | retl | ||
23 | stx %o1, [%o0 + PT_V9_TSTATE] | ||
24 | .size setcc,.-setcc | ||