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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/sparc/kernel/getsetcc.S | |
| parent | Initial commit. (diff) | |
| download | linux-upstream.tar.xz linux-upstream.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sparc/kernel/getsetcc.S')
| -rw-r--r-- | arch/sparc/kernel/getsetcc.S | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/sparc/kernel/getsetcc.S b/arch/sparc/kernel/getsetcc.S new file mode 100644 index 000000000..181e09fd1 --- /dev/null +++ b/arch/sparc/kernel/getsetcc.S @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + .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 |