ref: c8b187f9db503465460d8bafa2d7a758bbcf59ca
dir: /lib9/setfcr-MacOSX-power.c/
/* * MacOSX/Darwin ppc fpu support * Mimic Plan9 floating point support */ #include "lib9.h" #include <architecture/ppc/fp_regs.h> 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 = get_fp_scr(); (((ulong*)&fpscr)[1]) = fsr; set_fp_scr(fpscr); } void setfcr(ulong fcr) { ppc_fp_scr_t fpscr = get_fp_scr(); (((ulong*)&fpscr)[1]) = fcr; set_fp_scr(fpscr); }