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'040 changes from Amiga.

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Protect against multiple inclusion.
Swap arguments in struct clockframe.
This commit is contained in:
briggs 1994-04-21 23:18:55 +00:00
parent 16e14ee983
commit e12ec2b7de
1 changed files with 20 additions and 6 deletions
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26
sys/arch/mac68k/include/cpu.h
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@ -57,7 +57,7 @@
* from: Utah $Hdr: cpu.h 1.16 91/03/25$
*
* from: @(#)cpu.h 7.7 (Berkeley) 6/27/91
* $Id: cpu.h,v 1.7 1994/03/01 15:22:47 briggs Exp $
* $Id: cpu.h,v 1.8 1994/04/21 23:18:55 briggs Exp $
*/
/*
@ -68,6 +68,9 @@
but there isn't time to do anything about that right now...
*/
#ifndef _MACHINE_CPU_H_
#define _MACHINE_CPU_H_ 1
/*
* definitions of cpu-dependent requirements
* referenced in generic code
@ -84,8 +87,6 @@
#undef NEED_BCMP /* don't need bcmp function */
#undef NEED_STRLEN /* don't need strlen function */
/* ALICE BG -- Sun May 24 11:31:35 EDT 1992 -- what the hell do these things */
/* do? */
#define cpu_exec(p) /* nothing */
#define cpu_wait(p) /* nothing */
@ -95,12 +96,10 @@
* clockframe; for hp300, use just what the hardware
* leaves on the stack.
*/
/* ALICE 05/23/92 BG -- Oh, no. What does a VIA intleave on the stack? */
/* ALICE 06/27/92 LK -- Make sure hardware clock routine does this: */
typedef struct intrframe {
int pc;
int ps;
int pc;
} clockframe;
#define CLKF_USERMODE(framep) (((framep)->ps & PSL_S) == 0)
@ -199,6 +198,11 @@ extern unsigned char ssir;
#define MACH_68040 2
#define MACH_PENTIUM 3 /* 66 and 99 MHz versions *only* */
/* Defines for mmutype */
#define MMU_68851 -1
#define MMU_68030 0
#define MMU_68040 1
/* values for cpuspeed (not really related to clock speed due to caches) */
#define MHZ_8 1
#define MHZ_16 2
@ -287,8 +291,18 @@ extern int booter_version;
#define DC_BE 0x1000 /* data burst enable */
#define DC_WA 0x2000 /* write allocate */
/* fields in the 68040 cache control register */
#define IC40_ENABLE 0x00008000 /* enable instruction cache */
#define DC40_ENABLE 0x80000000 /* enable data cache */
#define CACHE_ON (DC_WA|DC_BE|DC_CLR|DC_ENABLE|IC_BE|IC_CLR|IC_ENABLE)
#define CACHE_OFF (DC_CLR|IC_CLR)
#define CACHE_CLR (CACHE_ON)
#define IC_CLEAR (DC_WA|DC_BE|DC_ENABLE|IC_BE|IC_CLR|IC_ENABLE)
#define DC_CLEAR (DC_WA|DC_BE|DC_CLR|DC_ENABLE|IC_BE|IC_ENABLE)
/* 68040 cache control */
#define CACHE40_ON (IC40_ENABLE|DC40_ENABLE)
#define CACHE40_OFF 0x00000000
#endif /* !_MACHINE_CPU_H_ */