Kernel message buffer implemented.
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ragge
parent
8951a20fe2
commit
372dd89e62
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@ -1,4 +1,4 @@
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/* $NetBSD: machdep.c,v 1.11 1995/05/03 19:20:15 ragge Exp $ */
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/* $NetBSD: machdep.c,v 1.12 1995/05/06 00:08:28 ragge Exp $ */
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/* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
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* Copyright (c) 1993 Adam Glass
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@ -46,16 +46,7 @@
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*/
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#include "sys/param.h"
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#include "vax/include/sid.h"
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#include "sys/map.h"
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#include "buf.h"
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#include "mbuf.h"
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#include "vax/include/pte.h"
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#include "uba.h"
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#include "reboot.h"
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#include "sys/callout.h"
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#include "sys/device.h"
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#include "conf.h"
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#include "sys/proc.h"
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#include "sys/user.h"
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#include "sys/time.h"
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@ -63,16 +54,12 @@
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#include "sys/kernel.h"
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#include "sys/reboot.h"
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#include "sys/msgbuf.h"
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#include "vax/include/mtpr.h"
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#include "vax/include/cpu.h"
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#include "vm/vm.h"
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#include "vm/vm_kern.h"
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#include "vm/vm_page.h"
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#include "vax/include/macros.h"
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#include "vax/include/nexus.h"
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#include "vax/include/trap.h"
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#include "machine/reg.h"
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#include "net/netisr.h"
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#include "sys/buf.h"
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#include "sys/mbuf.h"
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#include "sys/reboot.h"
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#include "sys/conf.h"
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#include "sys/callout.h"
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#include "sys/device.h"
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#ifdef SYSVMSG
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#include "sys/msg.h"
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#endif
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@ -82,6 +69,16 @@
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#ifdef SYSVSHM
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#include "sys/shm.h"
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#endif
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#include "machine/sid.h"
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#include "machine/pte.h"
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#include "machine/mtpr.h"
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#include "machine/cpu.h"
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#include "machine/macros.h"
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#include "machine/nexus.h"
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#include "machine/trap.h"
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#include "machine/reg.h"
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#include "vm/vm_kern.h"
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#include "net/netisr.h"
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/*
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* We do these external declarations here, maybe they should be done
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@ -128,15 +125,10 @@ cpu_startup() {
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extern char *panicstr;
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/*
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* Initialize error message buffer (at end of core).
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* avail_end was pre-decremented in pmap_bootstrap to compensate.
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* Initialize error message buffer.
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*/
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#if 0
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for (i = 0; i < btoc(sizeof (struct msgbuf)); i++)
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pmap_enter(kernel_pmap, (vm_offset_t)msgbufp,
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avail_end + i * NBPG, VM_PROT_ALL, TRUE);
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msgbufmapped = 1;
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#endif
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#ifdef VAX750
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if(cpunumber==VAX_750)
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if(!mfpr(PR_TODR))
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@ -147,9 +139,9 @@ cpu_startup() {
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*/
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printf("%s\n", version);
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printf("realmem = %d\n", avail_end);
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physmem=btoc(avail_end);
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panicstr=NULL;
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mtpr(AST_NO,PR_ASTLVL);
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physmem = btoc(avail_end);
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panicstr = NULL;
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mtpr(AST_NO, PR_ASTLVL);
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spl0();
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dumpsize=physmem+1;
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@ -1,4 +1,4 @@
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/* $NetBSD: pmap.c,v 1.11 1995/05/05 10:47:39 ragge Exp $ */
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/* $NetBSD: pmap.c,v 1.12 1995/05/06 00:08:31 ragge Exp $ */
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#define DEBUG
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/*
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* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
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@ -109,25 +109,27 @@ pmap_bootstrap()
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extern u_int sigcode, esigcode, proc0paddr;
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struct pmap *p0pmap=&vmspace0.vm_pmap;
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vm_offset_t pend=0;
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#define ROUND_PAGE(x) (((uint)(x)+PAGE_SIZE-1)& ~(PAGE_SIZE-1))
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#define ROUND_PAGE(x) (((uint)(x) + PAGE_SIZE-1)& ~(PAGE_SIZE - 1))
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/* These are in phys memory */
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istack=ROUND_PAGE((uint)Sysmap+SYSPTSIZE*4);
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(u_int)scratch=istack+ISTACK_SIZE;
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mtpr(scratch,PR_ISP); /* set interrupt stack pointer */
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pv_table=(struct pv_entry *)(scratch+NBPG*4);
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istack = ROUND_PAGE((uint)Sysmap + SYSPTSIZE * 4);
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(u_int)scratch = istack + ISTACK_SIZE;
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mtpr(scratch, PR_ISP); /* set interrupt stack pointer */
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msgbufp = (void *)(scratch + NBPG * 4);
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(u_int)pv_table = (int)ROUND_PAGE(sizeof(struct msgbuf)) +
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(u_int)msgbufp;
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/* Count up phys memory */
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while(!badaddr(pend,4))
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pend+=NBPG*128;
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while (!badaddr(pend, 4))
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pend += NBPG * 128;
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#if VAX630
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if (cpu_type == VAX_630)
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pend -= 8 * NBPG; /* Avoid console scratchpad */
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#endif
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/* These are virt only */
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vmmap=ROUND_PAGE(pv_table+(pend/PAGE_SIZE));
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(u_int)Numem=vmmap+NBPG*2;
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vmmap = ROUND_PAGE(pv_table + (pend / PAGE_SIZE));
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(u_int)Numem = vmmap + NBPG * 2;
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(pt_entry_t *)UMEMmap=kvtopte(Numem);
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(pt_entry_t *)pte_cmap=kvtopte(vmmap);
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@ -159,7 +161,9 @@ pmap_bootstrap()
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pmap_map(istack+NBPG,istack+NBPG,(vm_offset_t)scratch,
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VM_PROT_READ|VM_PROT_WRITE);
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pmap_map((vm_offset_t)scratch,(vm_offset_t)scratch,
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(vm_offset_t)pv_table,VM_PROT_READ|VM_PROT_WRITE);
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(vm_offset_t)msgbufp, VM_PROT_READ|VM_PROT_WRITE);
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pmap_map((vm_offset_t)msgbufp, (vm_offset_t)msgbufp,
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(vm_offset_t)pv_table, VM_PROT_ALL);
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pmap_map((vm_offset_t)pv_table,(vm_offset_t)pv_table,vmmap,
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VM_PROT_READ|VM_PROT_WRITE);
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@ -207,8 +211,7 @@ pmap_init(s, e)
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pte_map=kmem_suballoc(kernel_map, &ptemapstart, &ptemapend,
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USRPTSIZE*4, TRUE); /* Don't allow paging yet */
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#ifdef DEBUG
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if(startpmapdebug) printf("pmap_init: pte_map ptemapstart %x, ptemapend %x,
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ptemapsize %x\n", ptemapstart, ptemapend, USRPTSIZE*4);
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if(startpmapdebug) printf("pmap_init: pte_map ptemapstart %x, ptemapend %x, ptemapsize %x\n", ptemapstart, ptemapend, USRPTSIZE*4);
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#endif
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}
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