system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-09-06 17:18:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

Adapt to new kernel tsb structure.

Browse source
This commit is contained in:
Jake Burkholder 2001-12-29 06:43:36 +00:00
parent 1b46a084f3
commit e5a86020b0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=88615
1 changed files with 9 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
lib/libkvm/kvm_sparc64.c
View file

@ -63,7 +63,6 @@ static char sccsid[] = "@(#)kvm_hp300.c 8.1 (Berkeley) 6/4/93";
#include <vm/vm_param.h>
#include <machine/tte.h>
#include <machine/tlb.h>
#include <machine/tsb.h>
#include <limits.h>
@ -117,41 +116,35 @@ _kvm_initvtop(kvm_t *kd)
return (0);
}
static int
_kvm_vatop(kvm_t *kd, u_long va, u_long *pa)
int
_kvm_kvatop(kvm_t *kd, u_long va, u_long *pa)
{
struct vmstate *vm;
struct stte st;
struct tte tte;
u_long offset;
u_long st_pa;
u_long tte_pa;
u_long vpn;
vpn = btop(va);
offset = va & PAGE_MASK;
st_pa = kd->vmst->vm_tsb + ((vpn & TSB_KERNEL_MASK) << STTE_SHIFT);
tte_pa = kd->vmst->vm_tsb + ((vpn & TSB_KERNEL_MASK) << TTE_SHIFT);
/* XXX This has to be a physical address read, kvm_read is virtual */
if (lseek(kd->pmfd, st_pa, 0) == -1) {
if (lseek(kd->pmfd, tte_pa, 0) == -1) {
_kvm_syserr(kd, kd->program, "_kvm_vatop: lseek");
goto invalid;
}
if (read(kd->pmfd, &st, sizeof(st)) != sizeof(st)) {
if (read(kd->pmfd, &tte, sizeof(tte)) != sizeof(tte)) {
_kvm_syserr(kd, kd->program, "_kvm_vatop: read");
goto invalid;
}
if (!tte_match(st.st_tte, va))
if (!tte_match(tte, va))
goto invalid;
*pa = TD_PA(st.st_tte.tte_data) + offset;
*pa = TD_PA(tte.tte_data) + offset;
return (PAGE_SIZE - offset);
invalid:
_kvm_err(kd, 0, "invalid address (%x)", va);
return (0);
}
int
_kvm_kvatop(kvm_t *kd, u_long va, u_long *pa)
{
return (_kvm_vatop(kd, va, pa));
}