diff options
| author | dg <dg@FreeBSD.org> | 1994-01-14 16:25:31 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1994-01-14 16:25:31 +0000 |
| commit | fff1da2aba8cb1d119866cd63038909870d3e54f (patch) | |
| tree | a15ee00962453d82c88a74376825d44abe0188a9 /sys/amd64/include/vmparam.h | |
| parent | 9f745bbfc3d7ee82008dd48471f5759b3b68d5f7 (diff) | |
| download | FreeBSD-src-fff1da2aba8cb1d119866cd63038909870d3e54f.zip FreeBSD-src-fff1da2aba8cb1d119866cd63038909870d3e54f.tar.gz | |
"New" VM system from John Dyson & myself. For a run-down of the
major changes, see the log of any effected file in the sys/vm
directory (swap_pager.c for instance).
Diffstat (limited to 'sys/amd64/include/vmparam.h')
| -rw-r--r-- | sys/amd64/include/vmparam.h | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/sys/amd64/include/vmparam.h b/sys/amd64/include/vmparam.h index 44128c5..95d4fc9 100644 --- a/sys/amd64/include/vmparam.h +++ b/sys/amd64/include/vmparam.h @@ -1,6 +1,8 @@ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. + * Copyright (c) 1994 John S. Dyson + * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. @@ -34,7 +36,7 @@ * SUCH DAMAGE. * * from: @(#)vmparam.h 5.9 (Berkeley) 5/12/91 - * $Id: vmparam.h,v 1.9 1993/12/19 00:50:19 wollman Exp $ + * $Id: vmparam.h,v 1.10 1994/01/03 16:00:52 davidg Exp $ */ @@ -57,7 +59,7 @@ * kernal address space. */ #define USRTEXT 0UL -#define USRSTACK 0xFDBFE000UL +/* #define USRSTACK 0xFDBFE000UL */ #define BTOPUSRSTACK (0xFDC00-(UPAGES)) /* btop(USRSTACK) */ #define LOWPAGES 0UL #define HIGHPAGES UPAGES @@ -104,7 +106,7 @@ /* * Size of User Raw I/O map */ -#define USRIOSIZE 300 +#define USRIOSIZE 1024 /* * The size of the clock loop. @@ -210,16 +212,23 @@ */ /* user/kernel map constants */ +#define KERNBASE (0-(NKPDE+1)*(NBPG*NPTEPG)) +#define KERNSIZE (NKPDE*NBPG*NPTEPG) + #define VM_MIN_ADDRESS ((vm_offset_t)0) -#define VM_MAXUSER_ADDRESS ((vm_offset_t)0xFDBFE000UL) -#define UPT_MIN_ADDRESS ((vm_offset_t)0xFDC00000UL) -#define UPT_MAX_ADDRESS ((vm_offset_t)0xFDFF7000UL) +#define VM_MAXUSER_ADDRESS ((vm_offset_t)KERNBASE - (NBPG*(NPTEPG+UPAGES))) +#define USRSTACK VM_MAXUSER_ADDRESS +#define UPT_MIN_ADDRESS ((vm_offset_t)KERNBASE - (NBPG*NPTEPG)) +#define UPT_MAX_ADDRESS ((vm_offset_t)KERNBASE - (NBPG*(NKPDE+2))) #define VM_MAX_ADDRESS UPT_MAX_ADDRESS -#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)0xFDFF7000UL) +#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)KERNBASE - (NBPG*(NKPDE+2))) #define UPDT VM_MIN_KERNEL_ADDRESS -#define KPT_MIN_ADDRESS ((vm_offset_t)0xFDFF8000UL) -#define KPT_MAX_ADDRESS ((vm_offset_t)0xFDFFF000UL) -#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)0xFF7FF000UL) +#define KPT_MIN_ADDRESS ((vm_offset_t)(KERNBASE) - (NBPG*(NKPDE+1))) +#define KPT_MAX_ADDRESS ((vm_offset_t)(KERNBASE) - NBPG) +#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)ALT_MIN_ADDRESS - NBPG) +#define ALT_MIN_ADDRESS ((vm_offset_t)((APTDPTDI) << 22)) +#define HIGHPAGES UPAGES + /* virtual sizes (bytes) for various kernel submaps */ #define VM_MBUF_SIZE (NMBCLUSTERS*MCLBYTES) |
