2 #include <machine/fpu.h>
7 inline static unsigned int uap_fpu_status(void *uap)
9 ucontext_t *ucontext = (ucontext_t *)uap;
10 if (ucontext->uc_mcontext.mc_fpformat == _MC_FPFMT_XMM)
12 struct savefpu *xmm = (struct savefpu *)(&ucontext->uc_mcontext.mc_fpstate);
13 return xmm->sv_env.en_sw | xmm->sv_env.en_mxcsr;
19 inline static void uap_clear_fpu_status(void *uap)
21 ucontext_t *ucontext = (ucontext_t *)uap;
22 if (ucontext->uc_mcontext.mc_fpformat == _MC_FPFMT_XMM)
24 struct savefpu *xmm = (struct savefpu *)(&ucontext->uc_mcontext.mc_fpstate);
25 xmm->sv_env.en_sw = 0;
26 xmm->sv_env.en_mxcsr &= 0xffffffc0;
31 #define UAP_STACK_POINTER(ucontext) (((ucontext_t *)ucontext)->uc_mcontext.mc_rsp)
32 #define UAP_PROGRAM_COUNTER(ucontext) (((ucontext_t *)ucontext)->uc_mcontext.mc_rip)