diff options
Diffstat (limited to 'lib9/setfcr-Solaris-sparc.c')
| -rw-r--r-- | lib9/setfcr-Solaris-sparc.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib9/setfcr-Solaris-sparc.c b/lib9/setfcr-Solaris-sparc.c new file mode 100644 index 00000000..405e9cf2 --- /dev/null +++ b/lib9/setfcr-Solaris-sparc.c @@ -0,0 +1,42 @@ +/* This code is a little awkward. If somebody who understands Solaris + better would tell me an idiomatic way to invoke equivalent + behavior, I'd be grateful. ehg@bell-labs.com */ + +#include "lib9.h" + +ulong +getfcr(void) +{ + ulong v; + + asm(" st %fsr, [%fp-8]"); + return v; +} + +void +setfcr(ulong v) +{ + ulong vv; + + vv = (getfcr() & ~FPFCR) | (v & FPFCR); + asm(" ld [%fp-4], %fsr"); +} + +ulong +getfsr(void) +{ + ulong v; + + asm(" st %fsr, [%fp-8]"); + return v; +} + +void +setfsr(ulong v) +{ + ulong vv; + + vv = (getfsr() & ~FPFSR) | (v & FPFSR); + asm(" ld [%fp-4], %fsr"); +} + |
