diff options
Diffstat (limited to 'sys/arch/mips64/include')
| -rw-r--r-- | sys/arch/mips64/include/pmap.h | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/sys/arch/mips64/include/pmap.h b/sys/arch/mips64/include/pmap.h index f036829d3b3..ba19c5e643d 100644 --- a/sys/arch/mips64/include/pmap.h +++ b/sys/arch/mips64/include/pmap.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.h,v 1.20 2010/02/02 02:49:57 syuu Exp $ */ +/* $OpenBSD: pmap.h,v 1.21 2010/11/24 20:59:17 miod Exp $ */ /* * Copyright (c) 1987 Carnegie-Mellon University @@ -43,12 +43,7 @@ #include <machine/pte.h> /* - * The user address space is 2Gb (0x0 - 0x80000000). - * User programs are laid out in memory as follows: - * address - * USRTEXT 0x00400000 - * USRDATA 0x10000000 - * USRSTACK 0x7FFFFFFF + * The user address space is currently limited to 2Gb (0x0 - 0x80000000). * * The user address space is mapped using a two level structure where * virtual address bits 30..22 are used to index into a segment table which @@ -56,9 +51,6 @@ * Bits 21..12 are then used to index a PTE which describes a page within * a segment. * - * The wired entries in the TLB will contain the following: - * 0-1 (UPAGES) for curproc user struct and kernel stack. - * * Note: The kernel doesn't use the same data structures as user programs. * All the PTE entries are stored in a single array in Sysmap which is * dynamically allocated at boot time. @@ -144,7 +136,6 @@ void pmap_set_modify(vm_page_t); void pmap_page_cache(vm_page_t, int); #define pmap_collect(x) do { /* nothing */ } while (0) -#define pmap_proc_iflush(p,va,len) do { /* nothing yet (handled in trap now) */ } while (0) #define pmap_unuse_final(p) do { /* nothing yet */ } while (0) #define pmap_remove_holes(map) do { /* nothing */ } while (0) |