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Add sun4m CPU/MMU identifications.

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This commit is contained in:
pk 1996-03-31 22:18:16 +00:00
parent 5703b83d00
commit 76404b0bbe
1 changed files with 24 additions and 16 deletions
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40
sys/arch/sparc/include/param.h
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@ -1,4 +1,4 @@
/* $NetBSD: param.h,v 1.22 1996/03/04 05:04:38 cgd Exp $ */
/* $NetBSD: param.h,v 1.23 1996/03/31 22:18:16 pk Exp $ */
/*
* Copyright (c) 1992, 1993
@ -43,9 +43,12 @@
*
* @(#)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.
*
* $Id: param.h,v 1.23 1996/03/31 22:18:16 pk Exp $
*/
#define _MACHINE sparc
#define MACHINE "sparc"
@ -59,16 +62,6 @@
#endif /* XXX */
#endif /* XXX */
#if defined(SUN4M)
/*
* The sun4m supports multiple CPUs. Currently, we only support uniprocessor
* operations, but we map in the interrupt registers for everybody just for
* kicks. This constant affects the `fixed' virtual device addresses
* defined in <sparc/vaddrs.h>.
*/
#define NCPU_MAX 4 /* XXX: are there 4m's with > 4 CPUs? */
#endif
/*
* Round p (pointer or byte index) up to a correctly-aligned value for
* the machine's strictest data type. The result is u_int and must be
@ -85,7 +78,7 @@
* 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.
@ -197,12 +190,13 @@ 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 *));
extern void delay __P((unsigned int));
#define DELAY(n) delay(n)
extern int cputyp;
extern int cpumod;
extern int mmumod;
#endif /* _LOCORE */
#endif /* _KERNEL */
@ -214,15 +208,29 @@ 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 conditionals on constants.
* Let compiler optimize away code conditional on constants.
*/
#if defined(SUN4M) && defined(SUN4C) && defined(SUN4)
# define CPU_ISSUN4M (cputyp == CPU_SUN4M)