diff options
Diffstat (limited to 'lib9/setfcr-MacOSX-power.c')
| -rw-r--r-- | lib9/setfcr-MacOSX-power.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/lib9/setfcr-MacOSX-power.c b/lib9/setfcr-MacOSX-power.c new file mode 100644 index 00000000..17b76a88 --- /dev/null +++ b/lib9/setfcr-MacOSX-power.c @@ -0,0 +1,39 @@ +/* + * MacOSX/Darwin ppc fpu support + * Mimic Plan9 floating point support + */ + +#include "lib9.h" +#include <architecture/ppc/fp_regs.h> + +__inline__ ulong +getfcr(void) +{ + ppc_fp_scr_t fpscr = get_fp_scr(); + return ((ulong *)&fpscr)[1]; +} + +ulong +getfsr(void) +{ + ppc_fp_scr_t fpscr = get_fp_scr(); + return ((ulong *)&fpscr)[1]; +} + +void +setfsr(ulong fsr) +{ + ppc_fp_scr_t fpscr; + // fpscr = get_fp_scr(); + (((ulong *)&fpscr)[1]) = fsr; + set_fp_scr(fpscr); +} + +void +setfcr(ulong fcr) +{ + ppc_fp_scr_t fpscr; + // fpscr = get_fp_scr(); + (((ulong *)&fpscr)[1]) = fcr; + set_fp_scr(fpscr); +} |
