diff options
| author | David S. Miller <davem@davemloft.net> | 2008-04-28 00:47:20 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-04-28 00:47:20 -0700 |
| commit | 6eda3a75928a3dc1072dfffd228ab818869d83ad (patch) | |
| tree | 56e44907f23134273fe383424c69df4d62c6544c /arch/sparc64/kernel/getsetcc.S | |
| parent | 194f1a68b93e959ede6ec363db4714e630bdbb6a (diff) | |
sparc64: Split entry.S up into seperate files.
entry.S was a hodge-podge of several totally unrelated
sets of assembler routines, ranging from FPU trap handlers
to hypervisor call functions.
Split it up into topic-sized pieces.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/getsetcc.S')
| -rw-r--r-- | arch/sparc64/kernel/getsetcc.S | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/getsetcc.S b/arch/sparc64/kernel/getsetcc.S new file mode 100644 index 000000000000..a14d272d2061 --- /dev/null +++ b/arch/sparc64/kernel/getsetcc.S @@ -0,0 +1,24 @@ + .globl getcc + .type getcc,#function +getcc: + ldx [%o0 + PT_V9_TSTATE], %o1 + srlx %o1, 32, %o1 + and %o1, 0xf, %o1 + retl + stx %o1, [%o0 + PT_V9_G1] + .size getcc,.-getcc + + .globl setcc + .type setcc,#function +setcc: + ldx [%o0 + PT_V9_TSTATE], %o1 + ldx [%o0 + PT_V9_G1], %o2 + or %g0, %ulo(TSTATE_ICC), %o3 + sllx %o3, 32, %o3 + andn %o1, %o3, %o1 + sllx %o2, 32, %o2 + and %o2, %o3, %o2 + or %o1, %o2, %o1 + retl + stx %o1, [%o0 + PT_V9_TSTATE] + .size setcc,.-setcc |