-/* $OpenBSD: pmap.c,v 1.151 2015/06/05 09:31:19 mpi Exp $ */
+/* $OpenBSD: pmap.c,v 1.152 2015/06/05 09:32:22 mpi Exp $ */
/*
* Copyright (c) 2001, 2002, 2007 Dale Rahn.
#include <powerpc/bat.h>
#include <machine/pmap.h>
-#include <machine/db_machdep.h>
-#include <ddb/db_extern.h>
-#include <ddb/db_output.h>
-
struct bat battable[16];
struct dumpmem dumpmem[VM_PHYSSEG_MAX];
vaddr_t pted_va;
};
-void print_pteg(pmap_t pm, vaddr_t va);
-
static inline void tlbsync(void);
static inline void tlbie(vaddr_t ea);
void tlbia(void);
/* pte invalidation */
void pte_zap(void *ptp, struct pte_desc *pted);
-/* debugging */
-void pmap_print_pted(struct pte_desc *pted, int(*print)(const char *, ...));
-
/* XXX - panic on pool get failures? */
struct pool pmap_pmap_pool;
struct pool pmap_vp_pool;
ppc_intr_enable(s);
#endif
}
-
-#ifdef DEBUG_PMAP
-void
-print_pteg(pmap_t pm, vaddr_t va)
-{
- int sr, idx;
- struct pte_32 *ptp;
-
- sr = ptesr(pm->pm_sr, va);
- idx = pteidx(sr, va);
-
- ptp = pmap_ptable32 + idx * 8;
- db_printf("va %x, sr %x, idx %x\n", va, sr, idx);
-
- db_printf("%08x %08x %08x %08x %08x %08x %08x %08x\n",
- ptp[0].pte_hi, ptp[1].pte_hi, ptp[2].pte_hi, ptp[3].pte_hi,
- ptp[4].pte_hi, ptp[5].pte_hi, ptp[6].pte_hi, ptp[7].pte_hi);
- db_printf("%08x %08x %08x %08x %08x %08x %08x %08x\n",
- ptp[0].pte_lo, ptp[1].pte_lo, ptp[2].pte_lo, ptp[3].pte_lo,
- ptp[4].pte_lo, ptp[5].pte_lo, ptp[6].pte_lo, ptp[7].pte_lo);
- ptp = pmap_ptable32 + (idx ^ pmap_ptab_mask) * 8;
- db_printf("%08x %08x %08x %08x %08x %08x %08x %08x\n",
- ptp[0].pte_hi, ptp[1].pte_hi, ptp[2].pte_hi, ptp[3].pte_hi,
- ptp[4].pte_hi, ptp[5].pte_hi, ptp[6].pte_hi, ptp[7].pte_hi);
- db_printf("%08x %08x %08x %08x %08x %08x %08x %08x\n",
- ptp[0].pte_lo, ptp[1].pte_lo, ptp[2].pte_lo, ptp[3].pte_lo,
- ptp[4].pte_lo, ptp[5].pte_lo, ptp[6].pte_lo, ptp[7].pte_lo);
-}
-
-
-/* debugger assist function */
-int pmap_prtrans(u_int pid, vaddr_t va);
-
-void
-pmap_print_pted(struct pte_desc *pted, int(*print)(const char *, ...))
-{
- vaddr_t va;
- va = pted->pted_va & ~PAGE_MASK;
- print("\n pted %x", pted);
- if (PTED_VALID(pted)) {
- print(" va %x:", pted->pted_va & ~PAGE_MASK);
- print(" HID %d", PTED_HID(pted) ? 1: 0);
- print(" PTEGIDX %x", PTED_PTEGIDX(pted));
- print(" MANAGED %d", PTED_MANAGED(pted) ? 1: 0);
- print(" WIRED %d\n", PTED_WIRED(pted) ? 1: 0);
- if (ppc_proc_is_64b) {
- print("ptehi %x ptelo %x ptp %x Aptp %x\n",
- pted->p.pted_pte64.pte_hi,
- pted->p.pted_pte64.pte_lo,
- pmap_ptable64 +
- 8*pteidx(ptesr(pted->pted_pmap->pm_sr, va), va),
- pmap_ptable64 +
- 8*(pteidx(ptesr(pted->pted_pmap->pm_sr, va), va)
- ^ pmap_ptab_mask)
- );
- } else {
- print("ptehi %x ptelo %x ptp %x Aptp %x\n",
- pted->p.pted_pte32.pte_hi,
- pted->p.pted_pte32.pte_lo,
- pmap_ptable32 +
- 8*pteidx(ptesr(pted->pted_pmap->pm_sr, va), va),
- pmap_ptable32 +
- 8*(pteidx(ptesr(pted->pted_pmap->pm_sr, va), va)
- ^ pmap_ptab_mask)
- );
- }
- }
-}
-
-int pmap_user_read(int size, vaddr_t va);
-int
-pmap_user_read(int size, vaddr_t va)
-{
- unsigned char read1;
- unsigned short read2;
- unsigned int read4;
- int err;
-
- if (size == 1) {
- err = copyin((void *)va, &read1, 1);
- if (err == 0) {
- db_printf("byte read %x\n", read1);
- }
- } else if (size == 2) {
- err = copyin((void *)va, &read2, 2);
- if (err == 0) {
- db_printf("short read %x\n", read2);
- }
- } else if (size == 4) {
- err = copyin((void *)va, &read4, 4);
- if (err == 0) {
- db_printf("int read %x\n", read4);
- }
- } else {
- return 1;
- }
-
-
- return 0;
-}
-
-int pmap_dump_pmap(u_int pid);
-int
-pmap_dump_pmap(u_int pid)
-{
- pmap_t pm;
- struct proc *p;
- if (pid == 0) {
- pm = pmap_kernel();
- } else {
- p = pfind(pid);
-
- if (p == NULL) {
- db_printf("invalid pid %d", pid);
- return 1;
- }
- pm = p->p_vmspace->vm_map.pmap;
- }
- printf("pmap %x:\n", pm);
- printf("segid %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x",
- pm->pm_sr[0], pm->pm_sr[1], pm->pm_sr[2], pm->pm_sr[3],
- pm->pm_sr[4], pm->pm_sr[5], pm->pm_sr[6], pm->pm_sr[7],
- pm->pm_sr[8], pm->pm_sr[9], pm->pm_sr[10], pm->pm_sr[11],
- pm->pm_sr[12], pm->pm_sr[13], pm->pm_sr[14], pm->pm_sr[15]);
-
- return 0;
-}
-
-int
-pmap_prtrans(u_int pid, vaddr_t va)
-{
- struct proc *p;
- pmap_t pm;
- struct pmapvp *vp1;
- struct pmapvp *vp2;
- struct pte_desc *pted;
-
- if (pid == 0) {
- pm = pmap_kernel();
- } else {
- p = pfind(pid);
-
- if (p == NULL) {
- db_printf("invalid pid %d", pid);
- return 1;
- }
- pm = p->p_vmspace->vm_map.pmap;
- }
-
- db_printf(" pid %d, va 0x%x pmap %x\n", pid, va, pm);
- vp1 = pm->pm_vp[VP_SR(va)];
- db_printf("sr %x id %x vp1 %x", VP_SR(va), pm->pm_sr[VP_SR(va)],
- vp1);
-
- if (vp1) {
- vp2 = vp1->vp[VP_IDX1(va)];
- db_printf(" vp2 %x", vp2);
-
- if (vp2) {
- pted = vp2->vp[VP_IDX2(va)];
- pmap_print_pted(pted, db_printf);
-
- }
- }
- print_pteg(pm, va);
-
- return 0;
-}
-int pmap_show_mappings(paddr_t pa);
-
-int
-pmap_show_mappings(paddr_t pa)
-{
- struct pte_desc *pted;
- struct vm_page *pg;
-
- pg = PHYS_TO_VM_PAGE(pa);
- if (pg == NULL) {
- db_printf("pa %x: unmanaged\n");
- } else {
- LIST_FOREACH(pted, &(pg->mdpage.pv_list), pted_pv_list) {
- pmap_print_pted(pted, db_printf);
- }
- }
- return 0;
-}
-#endif
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