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authorIngo Molnar <mingo@elte.hu>2008-12-31 08:31:57 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-31 08:31:57 +0100
commita9de18eb761f7c1c860964b2e5addc1a35c7e861 (patch)
tree886e75fdfd09690cd262ca69cb7f5d1d42b48602 /arch/sparc/kernel/getsetcc.S
parentb2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (diff)
parent6a94cb73064c952255336cc57731904174b2c58f (diff)
Merge branch 'linus' into stackprotector
Conflicts: arch/x86/include/asm/pda.h kernel/fork.c
Diffstat (limited to 'arch/sparc/kernel/getsetcc.S')
-rw-r--r--arch/sparc/kernel/getsetcc.S24
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 00000000000..a14d272d206
--- /dev/null
+++ b/arch/sparc/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