diff options
Diffstat (limited to 'sys/arch/alpha/alpha/locore.s')
| -rw-r--r-- | sys/arch/alpha/alpha/locore.s | 61 |
1 files changed, 59 insertions, 2 deletions
diff --git a/sys/arch/alpha/alpha/locore.s b/sys/arch/alpha/alpha/locore.s index 8c1d9ddc315..4d38766d884 100644 --- a/sys/arch/alpha/alpha/locore.s +++ b/sys/arch/alpha/alpha/locore.s @@ -1,5 +1,5 @@ -/* $OpenBSD: locore.s,v 1.17 2001/09/30 13:08:45 art Exp $ */ -/* $NetBSD: locore.s,v 1.80 2000/09/04 00:31:59 thorpej Exp $ */ +/* $OpenBSD: locore.s,v 1.18 2002/04/28 20:55:14 pvalchev Exp $ */ +/* $NetBSD: locore.s,v 1.94 2001/04/26 03:10:44 ross Exp $ */ /*- * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc. @@ -1906,6 +1906,63 @@ longjmp_botchmsg: .text END(longjmp) +/* + * void sts(int rn, u_int32_t *rval); + * void stt(int rn, u_int64_t *rval); + * void lds(int rn, u_int32_t *rval); + * void ldt(int rn, u_int64_t *rval); + */ + +#ifndef NO_IEEE +.macro make_freg_util name, op + LEAF(alpha_\name, 2) + and a0, 0x1f, a0 + s8addq a0, pv, pv + addq pv, 1f - alpha_\name, pv + jmp (pv) +1: + rn = 0 + .rept 32 + \op $f0 + rn, 0(a1) + RET + rn = rn + 1 + .endr + END(alpha_\name) +.endm +/* +LEAF(alpha_sts, 2) +LEAF(alpha_stt, 2) +LEAF(alpha_lds, 2) +LEAF(alpha_ldt, 2) + */ + make_freg_util sts, sts + make_freg_util stt, stt + make_freg_util lds, lds + make_freg_util ldt, ldt + +LEAF(alpha_read_fpcr, 0); f30save = 0; rettmp = 8; framesz = 16 + lda sp, -framesz(sp) + stt $f30, f30save(sp) + mf_fpcr $f30 + stt $f30, rettmp(sp) + ldt $f30, f30save(sp) + ldq v0, rettmp(sp) + lda sp, framesz(sp) + RET +END(alpha_read_fpcr) + +LEAF(alpha_write_fpcr, 1); f30save = 0; fpcrtmp = 8; framesz = 16 + lda sp, -framesz(sp) + stq a0, fpcrtmp(sp) + stt $f30, f30save(sp) + ldt $f30, fpcrtmp(sp) + mt_fpcr $f30 + ldt $f30, f30save(sp) + lda sp, framesz(sp) + RET +END(alpha_write_fpcr) +#endif + #if 0 NESTED(transfer_check,0,0,ra,0,0) CALL(U_need_2_run_config) |