PSL_C
wrmsr(MSR_SFMASK, PSL_NT|PSL_T|PSL_I|PSL_C|PSL_D|PSL_AC);
frame->tf_rflags &= ~PSL_C; /* carry bit */
frame->tf_rflags |= PSL_C; /* carry bit */
tf->tf_rflags &= ~PSL_C;
{ PSL_C, "CF ", "cf "},
#define PSL_USER (PSL_C | PSL_MBO | PSL_PF | PSL_AF | PSL_Z | PSL_N | PSL_V)
ci->ci_psw = PSL_I | PSL_Q | PSL_P | PSL_C | PSL_D;
tf->tf_ipsw = PSL_C | PSL_Q | PSL_P | PSL_D | PSL_I /* | PSL_L */ |
#define PSL_MBS (PSL_C|PSL_Q|PSL_P|PSL_D|PSL_I)
ci->ci_psw = PSL_Q | PSL_P | PSL_C | PSL_D;
tf->tf_ipsw = PSL_C | PSL_Q | PSL_P | PSL_D | PSL_I /* | PSL_L */ |
frame->tf_eflags &= ~PSL_C; /* carry bit */
frame->tf_eflags |= PSL_C; /* carry bit */
tf->tf_eflags &= ~PSL_C;