Replace the DEBUG_VMMACHDEP guards with PMAP_DEBUG which is more
universal. Cleaned up some of the debug code.
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mark
parent
c565f1cfdf
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4c8c2c8bc7
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@ -1,4 +1,4 @@
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/* $NetBSD: vm_machdep.c,v 1.15 1997/10/06 01:12:05 mark Exp $ */
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/* $NetBSD: vm_machdep.c,v 1.16 1997/10/14 11:23:54 mark Exp $ */
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/*
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* Copyright (c) 1994-1997 Mark Brinicombe.
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@ -78,7 +78,9 @@ typedef struct {
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extern pv_addr_t systempage;
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#ifdef PMAP_DEBUG
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extern int pmap_debug_level;
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#endif
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int process_read_regs __P((struct proc *p, struct reg *regs));
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int process_read_fpregs __P((struct proc *p, struct fpreg *regs));
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@ -124,11 +126,10 @@ cpu_fork(p1, p2)
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u_char *ptr;
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#endif /* STACKCHECKS */
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0)
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printf("cpu_fork: %08x %08x %08x %08x\n", (u_int)p1, (u_int)p2,
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(u_int) curproc, (u_int)&proc0);
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#endif /* DEBUG_VMMACHDEP */
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printf("cpu_fork: %p %p %p %p\n", p1, p2, curproc, &proc0);
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#endif
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#if 0 /* XXX */
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/* Sync the pcb */
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@ -170,7 +171,7 @@ cpu_fork(p1, p2)
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* NOTE: This will be different from p1 stack address.
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*/
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0) {
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printf("cpu_fork: pcb = %08x pagedir = %08x\n",
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(u_int)&up->u_pcb, (u_int)up->u_pcb.pcb_pagedir);
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@ -181,7 +182,7 @@ cpu_fork(p1, p2)
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(u_int)p2->p_addr, (u_int)&p2->p_addr->u_pcb, p2->p_pid,
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p2->p_vmspace->vm_map.pmap);
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}
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#endif /* DEBUG_VMMACHDEP */
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#endif
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/* ream out old pagetables */
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@ -195,15 +196,15 @@ cpu_fork(p1, p2)
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addr = trunc_page((u_int)vtopte(0));
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0) {
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printf("fun time: paging in PT %08x for %08x\n", (u_int)addr, 0);
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printf("fun time: paging in PT %08x for 0\n", (u_int)addr);
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printf("p2->p_vmspace->vm_map.pmap->pm_pdir[0] = %08x\n",
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p2->p_vmspace->vm_map.pmap->pm_pdir[0]);
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printf("p2->pm_vptpt[0] = %08x",
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*((int *)(p2->p_vmspace->vm_map.pmap->pm_vptpt + 0)));
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}
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#endif /* DEBUG_VMMACHDEP */
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#endif
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/* Nuke the exising mapping */
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@ -219,17 +220,17 @@ cpu_fork(p1, p2)
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/* Wire down a page to cover the page table zero page and the start of the user are in */
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0) {
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printf("vm_map_pageable: addr=%08x\n", (u_int)addr);
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}
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#endif /* DEBUG_VMMACHDEP */
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#endif
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if (vm_map_pageable(&p2->p_vmspace->vm_map, addr, addr+NBPG, FALSE) != 0) {
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panic("Failed to fault in system page PT\n");
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}
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0) {
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printf("party on! acquired a page table for 0M->(4M-1)\n");
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printf("p2->p_vmspace->vm_map.pmap->pm_pdir[0] = %08x\n",
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@ -237,7 +238,7 @@ cpu_fork(p1, p2)
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printf("p2->pm_vptpt[0] = %08x",
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*((int *)(p2->p_vmspace->vm_map.pmap->pm_vptpt + 0)));
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}
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#endif /* DEBUG_VMMACHDEP */
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#endif
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/* Map the system page */
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@ -325,25 +326,25 @@ cpu_swapin(p)
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{
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vm_offset_t addr;
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0)
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printf("cpu_swapin(%p, %d, %s, %p)\n", p, p->p_pid,
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p->p_comm, p->p_vmspace->vm_map.pmap);
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#endif /* DEBUG_VMMACHDEP */
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#endif
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/* Get the address of the page table containing 0x00000000 */
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addr = trunc_page((u_int)vtopte(0));
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0) {
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printf("fun time: paging in PT %08x for %08x\n", addr, 0);
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printf("p->p_vmspace->vm_map.pmap->pm_pdir[0] = %08x\n",
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printf("fun time: paging in PT %p for 0\n", addr);
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printf("p->p_vmspace->vm_pmap.pm_pdir[0] = %p\n",
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p->p_vmspace->vm_map.pmap->pm_pdir[0]);
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printf("p->pm_vptpt[0] = %08x",
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*((int *)(p->p_vmspace->vm_map.pmap->pm_vptpt + 0)));
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}
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#endif /* DEBUG_VMMACHDEP */
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#endif
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/*
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* Wire down a page to cover the page table zero page
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@ -352,19 +353,19 @@ cpu_swapin(p)
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vm_map_pageable(&p->p_vmspace->vm_map, addr, addr + NBPG, FALSE);
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0) {
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printf("party on! acquired a page table for 0M->(4M-1)\n");
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printf("p->p_vmspace->vm_map.pmap->pm_pdir[0] = %08x\n",
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p->p_vmspace->vm_map.pmap->pm_pdir[0]);
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printf("p->pm_vptpt[0] = %08x",
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*((int *)(p->p_vmspace->vm_map.pmap->pm_vptpt + 0)));
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*((int *)(p->p_vmspace->vm_map.pmap->pm_vptpt + 0)));
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}
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#endif /* DEBUG_VMMACHDEP */
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#endif
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/* Map the system page */
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pmap_enter(p->p_vmspace->vm_map.pmap, 0x00000000,
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pmap_enter(p->p_vmspace->vm_map.pmap, 0,
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systempage.physical, VM_PROT_READ, TRUE);
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}
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@ -373,18 +374,18 @@ void
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cpu_swapout(p)
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struct proc *p;
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{
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0) {
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printf("cpu_swapout(%p, %d, %s, %p)\n", p, p->p_pid,
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p->p_comm, p->p_vmspace->vm_map.pmap);
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p->p_comm, (u_int)&p->p_vmspace->vm_map.pmap);
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printf("p->pm_vptpt[0] = %08x",
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*((int *)(p->p_vmspace->vm_map.pmap->pm_vptpt + 0)));
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}
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#endif /* DEBUG_VMMACHDEP */
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#endif
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/* Free the system page mapping */
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pmap_remove(p->p_vmspace->vm_map.pmap, 0x00000000, NBPG);
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pmap_remove(p->p_vmspace->vm_map.pmap, 0, NBPG);
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}
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@ -404,11 +405,11 @@ pagemove(from, to, size)
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if (size % CLBYTES)
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panic("pagemove: size=%08x", size);
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#ifdef DEBUG_VMMACHDEP
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0)
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printf("pagemove: V%08x to %08x size %08x\n", (u_int)from,
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(u_int)to, size);
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#endif /* DEBUG_VMMACHDEP */
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#endif
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fpte = vtopte(from);
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tpte = vtopte(to);
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@ -461,9 +462,11 @@ vmapbuf(bp, len)
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pt_entry_t *fpte, *tpte;
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pt_entry_t *pmap_pte __P((pmap_t, vm_offset_t));
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0)
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printf("vmapbuf: bp=%08x buf=%08x len=%08x\n", (u_int)bp,
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(u_int)bp->b_data, (u_int)len);
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#endif
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if ((bp->b_flags & B_PHYS) == 0)
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panic("vmapbuf");
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@ -512,9 +515,11 @@ vunmapbuf(bp, len)
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{
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vm_offset_t addr, off;
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#ifdef PMAP_DEBUG
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if (pmap_debug_level >= 0)
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printf("vunmapbuf: bp=%08x buf=%08x len=%08x\n",
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(u_int)bp, (u_int)bp->b_data, (u_int)len);
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#endif
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if ((bp->b_flags & B_PHYS) == 0)
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panic("vunmapbuf");
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