diff options
Diffstat (limited to 'sys/powerpc/include/vmparam.h')
| -rw-r--r-- | sys/powerpc/include/vmparam.h | 26 |
1 files changed, 11 insertions, 15 deletions
diff --git a/sys/powerpc/include/vmparam.h b/sys/powerpc/include/vmparam.h index 13f2e57..d72e0ea 100644 --- a/sys/powerpc/include/vmparam.h +++ b/sys/powerpc/include/vmparam.h @@ -35,7 +35,7 @@ #ifndef _MACHINE_VMPARAM_H_ #define _MACHINE_VMPARAM_H_ -#define USRSTACK VM_MAXUSER_ADDRESS +#define USRSTACK SHAREDPAGE #ifndef MAXTSIZ #define MAXTSIZ (64*1024*1024) /* max text size */ @@ -58,27 +58,18 @@ #endif /* - * The time for a process to be blocked before being very swappable. - * This is a number of seconds which the system takes as being a non-trivial - * amount of real time. You probably shouldn't change this; - * it is used in subtle ways (fractions and multiples of it are, that is, like - * half of a ``long time'', almost a long time, etc.) - * It is related to human patience and other factors which don't really - * change over time. - */ -#define MAXSLP 20 - -/* * Would like to have MAX addresses = 0, but this doesn't (currently) work */ #if !defined(LOCORE) #ifdef __powerpc64__ #define VM_MIN_ADDRESS (0x0000000000000000UL) #define VM_MAXUSER_ADDRESS (0x7ffffffffffff000UL) +#define SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE) #define VM_MAX_ADDRESS (0xffffffffffffffffUL) #else #define VM_MIN_ADDRESS ((vm_offset_t)0) #define VM_MAXUSER_ADDRESS ((vm_offset_t)0x7ffff000) +#define SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE) #define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS #endif #else /* LOCORE */ @@ -88,8 +79,8 @@ #endif #endif /* LOCORE */ -#define FREEBSD32_USRSTACK 0x7ffff000 - +#define FREEBSD32_SHAREDPAGE (0x7ffff000 - PAGE_SIZE) +#define FREEBSD32_USRSTACK FREEBSD32_SHAREDPAGE #ifdef AIM #define KERNBASE 0x00100000UL /* start of kernel virtual */ @@ -140,9 +131,14 @@ struct pmap_physseg { #define VM_PHYSSEG_MAX 16 /* 1? */ /* - * The physical address space is densely populated. + * The physical address space is densely populated on 32-bit systems, + * but may not be on 64-bit ones. */ +#ifdef __powerpc64__ +#define VM_PHYSSEG_SPARSE +#else #define VM_PHYSSEG_DENSE +#endif /* * Create three free page pools: VM_FREEPOOL_DEFAULT is the default pool |
