From 0c47c09505570dc0e32901142185ff32d4ef7c6a Mon Sep 17 00:00:00 2001 From: oki Date: Wed, 8 Jan 1997 04:03:50 +0000 Subject: [PATCH] Use FPU_XXXXX macro, x68k is now use this file. --- sys/arch/x68k/x68k/fpu.c | 62 +++++++--------------------------------- 1 file changed, 11 insertions(+), 51 deletions(-) diff --git a/sys/arch/x68k/x68k/fpu.c b/sys/arch/x68k/x68k/fpu.c index e9d7a5b9ba64..8034261a441b 100644 --- a/sys/arch/x68k/x68k/fpu.c +++ b/sys/arch/x68k/x68k/fpu.c @@ -1,4 +1,4 @@ -/* $NetBSD: fpu.c,v 1.4 1996/12/09 17:55:07 thorpej Exp $ */ +/* $NetBSD: fpu.c,v 1.5 1997/01/08 04:03:50 oki Exp $ */ /*- * Copyright (c) 1996 The NetBSD Foundation, Inc. @@ -51,51 +51,9 @@ #include #include -extern int fpu_type; extern int *nofault; -extern int matchbyname __P((struct device *, void *, void *)); -static void fpu_attach __P((struct device *, struct device *, void *)); -static int fpu_probe __P((void)); - -struct cfattach fpu_ca = { - sizeof(struct device), matchbyname, fpu_attach -}; - -struct cfdriver fpu_cd = { - NULL, "fpu", DV_DULL, 0 -}; - -static char *fpu_descr[] = { -#ifdef FPU_EMULATE - "emulator", /* 0 */ -#else - "no math support", /* 0 */ -#endif - "mc68881", /* 1 */ - "mc68882", /* 2 */ - "mc68040", /* 3 */ - "?" }; - -static void -fpu_attach(parent, self, args) - struct device *parent; - struct device *self; - void *args; -{ - char *descr; - int enab_reg; - - fpu_type = fpu_probe(); - if ((0 <= fpu_type) && (fpu_type <= 2)) - descr = fpu_descr[fpu_type]; - else - descr = "unknown type"; - - printf(" (%s)\n", descr); -} - -static int +int fpu_probe() { /* @@ -109,7 +67,7 @@ fpu_probe() nofault = (int *) &faultbuf; if (setjmp(&faultbuf)) { nofault = (int *) 0; - return(0); + return FPU_NONE; } /* @@ -123,11 +81,13 @@ fpu_probe() nofault = (int *) 0; /* - * Presumably, if we're an 040 and did not take exception + * Presumably, if we're an 040/060 and did not take exception * above, we have an FPU. Don't bother probing. */ - if (mmutype == MMU_68040) { - return 3; + if (cputype == CPU_68060) { + return FPU_68060; + } else if (cputype == CPU_68040) { + return FPU_68040; } /* @@ -149,11 +109,11 @@ fpu_probe() * The size of a 68881 IDLE frame is 0x18 * and a 68882 frame is 0x38 */ - if (b == 0x18) return 1; - if (b == 0x38) return 2; + if (b == 0x18) return FPU_68881; + if (b == 0x38) return FPU_68882; /* * If it's not one of the above, we have no clue what it is. */ - return 4; + return FPU_UNKNOWN; }