diff options
Diffstat (limited to 'sys/arch/sparc/include/param.h')
| -rw-r--r-- | sys/arch/sparc/include/param.h | 106 |
1 files changed, 87 insertions, 19 deletions
diff --git a/sys/arch/sparc/include/param.h b/sys/arch/sparc/include/param.h index da5231519df..ce866af3ca1 100644 --- a/sys/arch/sparc/include/param.h +++ b/sys/arch/sparc/include/param.h @@ -1,4 +1,4 @@ -/* $NetBSD: param.h,v 1.16 1995/06/28 02:43:50 cgd Exp $ */ +/* $NetBSD: param.h,v 1.24 1996/05/15 02:13:48 mrg Exp $ */ /* * Copyright (c) 1992, 1993 @@ -43,17 +43,22 @@ * * @(#)param.h 8.1 (Berkeley) 6/11/93 */ - /* - * Machine dependent constants for Sun-4c (SPARCstation) + * Sun4M support by Aaron Brown, Harvard University. + * Changes Copyright (c) 1995 The President and Fellows of Harvard College. + * All rights reserved. */ +#define _MACHINE sparc #define MACHINE "sparc" +#define _MACHINE_ARCH sparc #define MACHINE_ARCH "sparc" #define MID_MACHINE MID_SPARC #ifdef _KERNEL /* XXX */ +#ifndef _LOCORE /* XXX */ #include <machine/cpu.h> /* XXX */ #endif /* XXX */ +#endif /* XXX */ /* * Round p (pointer or byte index) up to a correctly-aligned value for @@ -71,7 +76,7 @@ * sun4 only 8192 bytes/page * sun4c/sun4m only 4096 bytes/page * sun4/sun4c/sun4m either of the above - * + * * In the later case NBPG, PGOFSET, and PGSHIFT are encoded in variables * initialized early in locore.s. Since they are variables, rather than * simple constants, the kernel will not perform slighly worse. @@ -87,7 +92,7 @@ #define PGSHIFT SUN4CM_PGSHIFT /* log2(NBPG) */ #endif #if defined(SUN4) && (defined(SUN4C) || defined(SUN4M)) -#if defined(_KERNEL) && !defined(LOCORE) +#if defined(_KERNEL) && !defined(_LOCORE) extern int nbpg, pgofset, pgshift; #endif #define NBPG nbpg /* bytes/page */ @@ -124,9 +129,9 @@ extern int nbpg, pgofset, pgshift; #ifndef NMBCLUSTERS #ifdef GATEWAY -#define NMBCLUSTERS 2048 /* map size, max cluster allocation */ +#define NMBCLUSTERS 512 /* map size, max cluster allocation */ #else -#define NMBCLUSTERS 1024 /* map size, max cluster allocation */ +#define NMBCLUSTERS 256 /* map size, max cluster allocation */ #endif #endif @@ -168,11 +173,10 @@ extern int nbpg, pgofset, pgshift; * in DVMA space. */ #ifdef _KERNEL -#ifndef LOCORE +#ifndef _LOCORE extern vm_offset_t dvma_base; extern vm_offset_t dvma_end; extern struct map *dvmamap; -#endif /* * The dvma resource map is defined in page units, which are numbered 1 to N. * Use these macros to convert to/from virtual addresses. @@ -183,21 +187,17 @@ extern struct map *dvmamap; extern caddr_t kdvma_mapin __P((caddr_t, int, int)); extern caddr_t dvma_malloc __P((size_t, void *, int)); extern void dvma_free __P((caddr_t, size_t, void *)); -#endif - -#ifdef _KERNEL -#ifndef LOCORE +extern void delay __P((unsigned int)); #define DELAY(n) delay(n) -#endif -#endif -#ifdef _KERNEL -#ifndef LOCORE extern int cputyp; extern int cpumod; -#endif -#endif +extern int mmumod; + +#endif /* _LOCORE */ +#endif /* _KERNEL */ + /* * Values for the cputyp variable. */ @@ -206,8 +206,76 @@ extern int cpumod; #define CPU_SUN4M 2 /* * Values for cpumod (cpu model) variable. XXX currently valid only for sun4 + * or Sun4M */ #define SUN4_100 0x22 #define SUN4_200 0x21 #define SUN4_300 0x23 #define SUN4_400 0x24 +#define SUN4M_MS 0x04 /* MicroSPARC-II */ +#define SUN4M_SS 0x40 /* Generic SuperSPARC */ +#define SUN4M_HS 0x10 /* Generic ROSS sparc product (HyperSPARC) */ +#define SUN4M_RT620 0x1f /* Ross HyperSPARC RT620 */ +#define SUN4M_STP1020N 0x41 /* TI SuperSPARC STP1020N */ +#define SUN4M_STP1020P 0x40 /* TI SuperSPARC STP1020P */ +#define SUN4M_STP1020A 0x40 /* TI SuperSPARC STP1020A */ + +/* Values for mmumod (mmu model) variable. Valid only for Sun4M */ +#define SUN4M_MMU_HS 0x1 /* ROSS HyperSparc */ +#define SUN4M_MMU_SS 0x0 /* TI SuperSPARC */ +#define SUN4M_MMU_MS1 0x4 /* MicroSPARC-I (??? XXX) */ +#define SUN4M_MMU_MS 0x0 /* MicroSPARC-II (ugh, conflicts w/SS) */ + +/* + * Shorthand CPU-type macros. Enumerate all eight cases. + * Let compiler optimize away code conditional on constants. + */ +#if defined(SUN4M) && defined(SUN4C) && defined(SUN4) +# define CPU_ISSUN4M (cputyp == CPU_SUN4M) +# define CPU_ISSUN4C (cputyp == CPU_SUN4C) +# define CPU_ISSUN4 (cputyp == CPU_SUN4) +# define CPU_ISSUN4OR4C (cputyp == CPU_SUN4 || cputyp == CPU_SUN4C) +# define CPU_ISSUN4COR4M (cputyp == CPU_SUN4C || cputyp == CPU_SUN4M) +#elif defined(SUN4M) && defined(SUN4C) && !defined(SUN4) +# define CPU_ISSUN4M (cputyp == CPU_SUN4M) +# define CPU_ISSUN4C (cputyp == CPU_SUN4C) +# define CPU_ISSUN4 (0) +# define CPU_ISSUN4OR4C (cputyp == CPU_SUN4C) +# define CPU_ISSUN4COR4M (cputyp == CPU_SUN4C || cputyp == CPU_SUN4M) +#elif defined(SUN4M) && !defined(SUN4C) && defined(SUN4) +# define CPU_ISSUN4M (cputyp == CPU_SUN4M) +# define CPU_ISSUN4C (0) +# define CPU_ISSUN4 (cputyp == CPU_SUN4) +# define CPU_ISSUN4OR4C (cputyp == CPU_SUN4) +# define CPU_ISSUN4COR4M (cputyp == CPU_SUN4M) +#elif defined(SUN4M) && !defined(SUN4C) && !defined(SUN4) +# define CPU_ISSUN4M (1) +# define CPU_ISSUN4C (0) +# define CPU_ISSUN4 (0) +# define CPU_ISSUN4OR4C (0) +# define CPU_ISSUN4COR4M (1) +#elif !defined(SUN4M) && defined(SUN4C) && defined(SUN4) +# define CPU_ISSUN4M (0) +# define CPU_ISSUN4C (cputyp == CPU_SUN4C) +# define CPU_ISSUN4 (cputyp == CPU_SUN4) +# define CPU_ISSUN4OR4C (1) +# define CPU_ISSUN4COR4M (cputyp == CPU_SUN4C) +#elif !defined(SUN4M) && defined(SUN4C) && !defined(SUN4) +# define CPU_ISSUN4M (0) +# define CPU_ISSUN4C (1) +# define CPU_ISSUN4 (0) +# define CPU_ISSUN4OR4C (1) +# define CPU_ISSUN4COR4M (1) +#elif !defined(SUN4M) && !defined(SUN4C) && defined(SUN4) +# define CPU_ISSUN4M (0) +# define CPU_ISSUN4C (0) +# define CPU_ISSUN4 (1) +# define CPU_ISSUN4OR4C (1) +# define CPU_ISSUN4COR4M (0) +#elif !defined(SUN4M) && !defined(SUN4C) && !defined(SUN4) +# define CPU_ISSUN4M (0) +# define CPU_ISSUN4C (0) +# define CPU_ISSUN4 (0) +# define CPU_ISSUN4OR4C (0) +# define CPU_ISSUN4COR4M (0) +#endif |