src/sys/arch/hppa/include/param.h - diff

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version 1.27, 2020/05/01 08:21:27

version 1.27.6.2, 2021/06/17 04:46:20

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#ifdef _KERNEL

#include <machine/cpu.h>

#ifdef _KERNEL_OPT

#include "opt_param.h"

#endif

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#define PGSHIFT 12 /* LOG2(NBPG) */

#define NBPG (1 << PGSHIFT) /* bytes/page */

#define PGOFSET (NBPG-1) /* byte offset into page */

#define PGOFSET (NBPG - 1) /* byte offset into page */

#define SEGSHIFT (PGSHIFT + (PGSHIFT-PTESHIFT)) /* LOG2(NBSEG) */

#define NBSEG (1 << SEGSHIFT) /* bytes/segment (quadrant) */

#define SEGOFSET (NBSEG-1) /* byte offset into segment */

#define SEGOFSET (NBSEG - 1) /* byte offset into segment */

#define KERNBASE 0x00000000 /* start of kernel virtual */

#define BTOPKERNBASE ((u_long)KERNBASE >> PGSHIFT)

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#define USPACE (UPAGES * NBPG) /* pages for user struct and kstack */

#ifndef MSGBUFSIZE

#define MSGBUFSIZE (2*NBPG) /* default message buffer size */

#define MSGBUFSIZE (2 * NBPG) /* default message buffer size */

#endif