Use allocsys(), mips_init_msgbuf(), and mips_init_proc0(), plus small
changes for MACHINE_NEW_NONCONTIG.
This commit is contained in:
thorpej
parent
d184112bd5
commit
477d46784e
@ -1,4 +1,4 @@
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/* $NetBSD: machdep.c,v 1.5 1998/02/23 20:05:09 thorpej Exp $ */
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/* $NetBSD: machdep.c,v 1.6 1998/02/25 23:28:25 thorpej Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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@ -43,7 +43,7 @@
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.5 1998/02/23 20:05:09 thorpej Exp $");
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__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.6 1998/02/25 23:28:25 thorpej Exp $");
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/* from: Utah Hdr: machdep.c 1.63 91/04/24 */
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@ -59,7 +59,6 @@ __KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.5 1998/02/23 20:05:09 thorpej Exp $");
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#include <sys/reboot.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/clist.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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@ -74,15 +73,6 @@ __KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.5 1998/02/23 20:05:09 thorpej Exp $");
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#include <sys/mount.h>
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#include <sys/syscallargs.h>
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#include <sys/kcore.h>
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#ifdef SYSVMSG
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#include <sys/msg.h>
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#endif
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#ifdef SYSVSEM
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#include <sys/sem.h>
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#endif
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#ifdef SYSVSHM
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#include <sys/shm.h>
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#endif
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#include <vm/vm_kern.h>
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#include <ufs/mfs/mfs_extern.h> /* mfs_initminiroot() */
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@ -110,25 +100,10 @@ char cpu_model[30];
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vm_map_t buffer_map;
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/*
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* Declare these as initialized data so we can patch them.
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*/
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int nswbuf = 0;
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#ifdef NBUF
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int nbuf = NBUF;
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#else
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int nbuf = 0;
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#endif
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#ifdef BUFPAGES
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int bufpages = BUFPAGES;
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#else
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int bufpages = 0;
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#endif
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caddr_t msgbufaddr;
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int maxmem; /* max memory per process */
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int physmem; /* max supported memory, changes to actual */
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phys_ram_seg_t mem_clusters[1]; /* XXX VM_PHYSSEG_MAX */
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phys_ram_seg_t mem_clusters[VM_PHYSSEG_MAX];
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int mem_cluster_cnt;
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/*
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@ -186,9 +161,6 @@ extern void stacktrace __P((void)); /*XXX*/
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*/
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int safepri = MIPS3_PSL_LOWIPL; /* XXX */
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struct user *proc0paddr;
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struct proc nullproc; /* for use by switch_exit() */
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struct idrom idrom;
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/* locore callback-vector setup */
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@ -207,9 +179,9 @@ mach_init(x_boothowto, x_bootdev, x_bootname, x_maxmem)
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int x_maxmem;
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{
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register int i;
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register unsigned firstaddr;
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register caddr_t v;
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caddr_t start;
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u_long first, last;
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caddr_t kernend, v;
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vm_size_t size;
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extern u_long bootdev;
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extern char edata[], end[];
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@ -221,8 +193,8 @@ mach_init(x_boothowto, x_bootdev, x_bootname, x_maxmem)
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*(int *)(MIPS_PHYS_TO_KSEG1(MACH_BOOTSW_ADDR)) = x_boothowto;
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/* clear the BSS segment */
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v = (caddr_t)mips_round_page(end);
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bzero(edata, v - edata);
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kernend = (caddr_t)mips_round_page(end);
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bzero(edata, kernend - edata);
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/*
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* Set the VM page size.
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@ -267,79 +239,40 @@ mach_init(x_boothowto, x_bootdev, x_bootname, x_maxmem)
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*/
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if (boothowto & RB_MINIROOT) {
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boothowto |= RB_DFLTROOT;
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v += mfs_initminiroot(v);
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kernend += round_page(mfs_initminiroot(kernend));
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}
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#endif
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/*
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* Init mapping for u page(s) for proc[0], pm_tlbpid 1.
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* Init mapping for u page(s) for proc0, pm_tlbpid 1.
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* This also initializes nullproc for switch_exit().
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*/
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start = v;
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proc0.p_addr = proc0paddr = (struct user *)v;
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curpcb = (struct pcb *)proc0.p_addr;
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proc0.p_md.md_regs = proc0paddr->u_pcb.pcb_regs;
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firstaddr = MIPS_KSEG0_TO_PHYS(v);
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mips_init_proc0(kernend);
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if (CPUISMIPS3) for (i = 0; i < UPAGES; i+=2) {
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struct tlb tlb;
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tlb.tlb_mask = MIPS3_PG_SIZE_4K;
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tlb.tlb_hi = mips3_vad_to_vpn((UADDR + (i << PGSHIFT))) | 1;
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tlb.tlb_lo0 = vad_to_pfn(firstaddr) |
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MIPS3_PG_V | MIPS3_PG_M | MIPS3_PG_CACHED;
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tlb.tlb_lo1 = vad_to_pfn(firstaddr + NBPG) |
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MIPS3_PG_V | MIPS3_PG_M | MIPS3_PG_CACHED;
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proc0.p_md.md_upte[i] = tlb.tlb_lo0;
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proc0.p_md.md_upte[i+1] = tlb.tlb_lo1;
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mips3_TLBWriteIndexedVPS(i,&tlb);
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firstaddr += NBPG * 2;
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}
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else for (i = 0; i < UPAGES; i++) {
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mips1_TLBWriteIndexed(i,
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(UADDR + (i << PGSHIFT)) | (1 << MIPS1_TLB_PID_SHIFT),
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proc0.p_md.md_upte[i] = firstaddr |
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MIPS1_PG_V | MIPS1_PG_M);
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firstaddr += NBPG;
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}
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v += UPAGES * NBPG;
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MachSetPID(1);
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kernend += 2 * UPAGES * PAGE_SIZE;
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/*
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* init nullproc for switch_exit().
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* init mapping for u page(s), pm_tlbpid 0
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* This could be used for an idle process.
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* Load the rest of the available pages into the VM system.
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*/
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nullproc.p_addr = (struct user *)v;
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nullproc.p_md.md_regs = nullproc.p_addr->u_pcb.pcb_regs;
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bcopy("nullproc", nullproc.p_comm, sizeof("nullproc"));
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if (CPUISMIPS3) {
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/* mips3 */
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for (i = 0; i < UPAGES; i+=2) {
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nullproc.p_md.md_upte[i] = vad_to_pfn(firstaddr) |
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MIPS3_PG_V | MIPS3_PG_M | MIPS3_PG_CACHED;
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nullproc.p_md.md_upte[i+1] =
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vad_to_pfn(firstaddr + NBPG) |
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MIPS3_PG_V | MIPS3_PG_M | MIPS3_PG_CACHED;
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firstaddr += NBPG * 2;
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}
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} else {
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/* mips1 */
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for (i = 0; i < UPAGES; i++) {
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nullproc.p_md.md_upte[i] = firstaddr |
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MIPS1_PG_V | MIPS1_PG_M;
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firstaddr += NBPG;
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}
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}
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first = round_page(MIPS_KSEG0_TO_PHYS(kernend));
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last = mem_clusters[0].start + mem_clusters[0].size;
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vm_page_physload(atop(first), atop(last), atop(first), atop(last));
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v += UPAGES * NBPG;
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/*
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* Initialize error message buffer (at end of core).
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*/
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mips_init_msgbuf();
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/* clear pages for u areas */
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bzero(start, v - start);
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if (CPUISMIPS3) {
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mips3_FlushDCache(MIPS_KSEG0_TO_PHYS(start), v - start);
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mips3_HitFlushDCache(UADDR, UPAGES * NBPG);
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}
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/*
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* Allocate space for system data structures. These data structures
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* are allocated here instead of cpu_startup() because physical
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* memory is directly addressable. We don't have to map these into
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* virtual address space.
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*/
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size = (vm_size_t)allocsys(0);
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v = (caddr_t)pmap_steal_memory(size, NULL, NULL);
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if ((allocsys(v) - v) != size)
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panic("mach_init: table size inconsistency");
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/*
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* Determine what model of computer we are running on.
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@ -371,79 +304,10 @@ mach_init(x_boothowto, x_bootdev, x_bootname, x_maxmem)
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cpu_reboot(RB_HALT | RB_NOSYNC, NULL);
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}
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/*
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* Initialize error message buffer (at end of core).
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*/
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maxmem -= btoc(MSGBUFSIZE);
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msgbufaddr = (caddr_t)(MIPS_PHYS_TO_KSEG0(maxmem << PGSHIFT));
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initmsgbuf(msgbufaddr, mips_round_page(MSGBUFSIZE));
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/*
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* Allocate space for system data structures.
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* The first available kernel virtual address is in "v".
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* As pages of kernel virtual memory are allocated, "v" is incremented.
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*
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* These data structures are allocated here instead of cpu_startup()
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* because physical memory is directly addressable. We don't have
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* to map these into virtual address space.
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*/
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start = v;
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#define valloc(name, type, num) \
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(name) = (type *)v; v = (caddr_t)((name)+(num))
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#define valloclim(name, type, num, lim) \
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(name) = (type *)v; v = (caddr_t)((lim) = ((name)+(num)))
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#ifdef REAL_CLISTS
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valloc(cfree, struct cblock, nclist);
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#endif
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valloc(callout, struct callout, ncallout);
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#ifdef SYSVSHM
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valloc(shmsegs, struct shmid_ds, shminfo.shmmni);
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#endif
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#ifdef SYSVSEM
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valloc(sema, struct semid_ds, seminfo.semmni);
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valloc(sem, struct sem, seminfo.semmns);
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/* This is pretty disgusting! */
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valloc(semu, int, (seminfo.semmnu * seminfo.semusz) / sizeof(int));
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#endif
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#ifdef SYSVMSG
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valloc(msgpool, char, msginfo.msgmax);
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valloc(msgmaps, struct msgmap, msginfo.msgseg);
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valloc(msghdrs, struct msg, msginfo.msgtql);
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valloc(msqids, struct msqid_ds, msginfo.msgmni);
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#endif
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/*
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* Determine how many buffers to allocate.
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* We allocate more buffer space than the BSD standard of
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* using 10% of memory for the first 2 Meg, 5% of remaining.
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* We just allocate a flat 10%. Ensure a minimum of 16 buffers.
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* We allocate 1/2 as many swap buffer headers as file i/o buffers.
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*/
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if (bufpages == 0)
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bufpages = physmem / 10 / CLSIZE;
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if (nbuf == 0) {
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nbuf = bufpages;
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if (nbuf < 16)
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nbuf = 16;
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}
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if (nswbuf == 0) {
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nswbuf = (nbuf / 2) &~ 1; /* force even */
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if (nswbuf > 256)
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nswbuf = 256; /* sanity */
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}
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valloc(swbuf, struct buf, nswbuf);
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valloc(buf, struct buf, nbuf);
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/*
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* Clear allocated memory.
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*/
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bzero(start, v - start);
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/*
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* Initialize the virtual memory system.
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*/
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pmap_bootstrap((vm_offset_t)v);
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pmap_bootstrap();
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}
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/*
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@ -1,4 +1,4 @@
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/* $NetBSD: machdep.c,v 1.5 1998/02/23 20:05:09 thorpej Exp $ */
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/* $NetBSD: machdep.c,v 1.6 1998/02/25 23:28:25 thorpej Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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@ -43,7 +43,7 @@
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.5 1998/02/23 20:05:09 thorpej Exp $");
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__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.6 1998/02/25 23:28:25 thorpej Exp $");
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/* from: Utah Hdr: machdep.c 1.63 91/04/24 */
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@ -59,7 +59,6 @@ __KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.5 1998/02/23 20:05:09 thorpej Exp $");
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#include <sys/reboot.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/clist.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/mbuf.h>
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@ -74,15 +73,6 @@ __KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.5 1998/02/23 20:05:09 thorpej Exp $");
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#include <sys/mount.h>
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#include <sys/syscallargs.h>
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#include <sys/kcore.h>
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#ifdef SYSVMSG
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#include <sys/msg.h>
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#endif
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#ifdef SYSVSEM
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#include <sys/sem.h>
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#endif
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#ifdef SYSVSHM
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#include <sys/shm.h>
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#endif
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#include <vm/vm_kern.h>
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#include <ufs/mfs/mfs_extern.h> /* mfs_initminiroot() */
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@ -110,25 +100,10 @@ char cpu_model[30];
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vm_map_t buffer_map;
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/*
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* Declare these as initialized data so we can patch them.
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*/
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int nswbuf = 0;
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#ifdef NBUF
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int nbuf = NBUF;
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#else
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int nbuf = 0;
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#endif
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#ifdef BUFPAGES
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int bufpages = BUFPAGES;
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#else
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int bufpages = 0;
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#endif
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caddr_t msgbufaddr;
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int maxmem; /* max memory per process */
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int physmem; /* max supported memory, changes to actual */
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phys_ram_seg_t mem_clusters[1]; /* XXX VM_PHYSSEG_MAX */
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phys_ram_seg_t mem_clusters[VM_PHYSSEG_MAX];
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int mem_cluster_cnt;
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/*
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@ -186,9 +161,6 @@ extern void stacktrace __P((void)); /*XXX*/
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*/
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int safepri = MIPS3_PSL_LOWIPL; /* XXX */
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struct user *proc0paddr;
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struct proc nullproc; /* for use by switch_exit() */
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struct idrom idrom;
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/* locore callback-vector setup */
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@ -207,9 +179,9 @@ mach_init(x_boothowto, x_bootdev, x_bootname, x_maxmem)
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int x_maxmem;
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{
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register int i;
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register unsigned firstaddr;
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register caddr_t v;
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caddr_t start;
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u_long first, last;
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caddr_t kernend, v;
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vm_size_t size;
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extern u_long bootdev;
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extern char edata[], end[];
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@ -221,8 +193,8 @@ mach_init(x_boothowto, x_bootdev, x_bootname, x_maxmem)
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*(int *)(MIPS_PHYS_TO_KSEG1(MACH_BOOTSW_ADDR)) = x_boothowto;
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/* clear the BSS segment */
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v = (caddr_t)mips_round_page(end);
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bzero(edata, v - edata);
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kernend = (caddr_t)mips_round_page(end);
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bzero(edata, kernend - edata);
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/*
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* Set the VM page size.
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@ -267,79 +239,40 @@ mach_init(x_boothowto, x_bootdev, x_bootname, x_maxmem)
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*/
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if (boothowto & RB_MINIROOT) {
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boothowto |= RB_DFLTROOT;
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v += mfs_initminiroot(v);
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kernend += round_page(mfs_initminiroot(kernend));
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}
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#endif
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/*
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* Init mapping for u page(s) for proc[0], pm_tlbpid 1.
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* Init mapping for u page(s) for proc0, pm_tlbpid 1.
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* This also initializes nullproc for switch_exit().
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*/
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start = v;
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proc0.p_addr = proc0paddr = (struct user *)v;
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curpcb = (struct pcb *)proc0.p_addr;
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proc0.p_md.md_regs = proc0paddr->u_pcb.pcb_regs;
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firstaddr = MIPS_KSEG0_TO_PHYS(v);
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mips_init_proc0(kernend);
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if (CPUISMIPS3) for (i = 0; i < UPAGES; i+=2) {
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struct tlb tlb;
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tlb.tlb_mask = MIPS3_PG_SIZE_4K;
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tlb.tlb_hi = mips3_vad_to_vpn((UADDR + (i << PGSHIFT))) | 1;
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tlb.tlb_lo0 = vad_to_pfn(firstaddr) |
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MIPS3_PG_V | MIPS3_PG_M | MIPS3_PG_CACHED;
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tlb.tlb_lo1 = vad_to_pfn(firstaddr + NBPG) |
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MIPS3_PG_V | MIPS3_PG_M | MIPS3_PG_CACHED;
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proc0.p_md.md_upte[i] = tlb.tlb_lo0;
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proc0.p_md.md_upte[i+1] = tlb.tlb_lo1;
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mips3_TLBWriteIndexedVPS(i,&tlb);
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firstaddr += NBPG * 2;
|
||||
}
|
||||
else for (i = 0; i < UPAGES; i++) {
|
||||
mips1_TLBWriteIndexed(i,
|
||||
(UADDR + (i << PGSHIFT)) | (1 << MIPS1_TLB_PID_SHIFT),
|
||||
proc0.p_md.md_upte[i] = firstaddr |
|
||||
MIPS1_PG_V | MIPS1_PG_M);
|
||||
firstaddr += NBPG;
|
||||
}
|
||||
v += UPAGES * NBPG;
|
||||
MachSetPID(1);
|
||||
kernend += 2 * UPAGES * PAGE_SIZE;
|
||||
|
||||
/*
|
||||
* init nullproc for switch_exit().
|
||||
* init mapping for u page(s), pm_tlbpid 0
|
||||
* This could be used for an idle process.
|
||||
* Load the rest of the available pages into the VM system.
|
||||
*/
|
||||
nullproc.p_addr = (struct user *)v;
|
||||
nullproc.p_md.md_regs = nullproc.p_addr->u_pcb.pcb_regs;
|
||||
bcopy("nullproc", nullproc.p_comm, sizeof("nullproc"));
|
||||
if (CPUISMIPS3) {
|
||||
/* mips3 */
|
||||
for (i = 0; i < UPAGES; i+=2) {
|
||||
nullproc.p_md.md_upte[i] = vad_to_pfn(firstaddr) |
|
||||
MIPS3_PG_V | MIPS3_PG_M | MIPS3_PG_CACHED;
|
||||
nullproc.p_md.md_upte[i+1] =
|
||||
vad_to_pfn(firstaddr + NBPG) |
|
||||
MIPS3_PG_V | MIPS3_PG_M | MIPS3_PG_CACHED;
|
||||
firstaddr += NBPG * 2;
|
||||
}
|
||||
} else {
|
||||
/* mips1 */
|
||||
for (i = 0; i < UPAGES; i++) {
|
||||
nullproc.p_md.md_upte[i] = firstaddr |
|
||||
MIPS1_PG_V | MIPS1_PG_M;
|
||||
firstaddr += NBPG;
|
||||
}
|
||||
}
|
||||
first = round_page(MIPS_KSEG0_TO_PHYS(kernend));
|
||||
last = mem_clusters[0].start + mem_clusters[0].size;
|
||||
vm_page_physload(atop(first), atop(last), atop(first), atop(last));
|
||||
|
||||
v += UPAGES * NBPG;
|
||||
/*
|
||||
* Initialize error message buffer (at end of core).
|
||||
*/
|
||||
mips_init_msgbuf();
|
||||
|
||||
/* clear pages for u areas */
|
||||
bzero(start, v - start);
|
||||
|
||||
if (CPUISMIPS3) {
|
||||
mips3_FlushDCache(MIPS_KSEG0_TO_PHYS(start), v - start);
|
||||
mips3_HitFlushDCache(UADDR, UPAGES * NBPG);
|
||||
}
|
||||
/*
|
||||
* Allocate space for system data structures. These data structures
|
||||
* are allocated here instead of cpu_startup() because physical
|
||||
* memory is directly addressable. We don't have to map these into
|
||||
* virtual address space.
|
||||
*/
|
||||
size = (vm_size_t)allocsys(0);
|
||||
v = (caddr_t)pmap_steal_memory(size, NULL, NULL);
|
||||
if ((allocsys(v) - v) != size)
|
||||
panic("mach_init: table size inconsistency");
|
||||
|
||||
/*
|
||||
* Determine what model of computer we are running on.
|
||||
@ -371,79 +304,10 @@ mach_init(x_boothowto, x_bootdev, x_bootname, x_maxmem)
|
||||
cpu_reboot(RB_HALT | RB_NOSYNC, NULL);
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize error message buffer (at end of core).
|
||||
*/
|
||||
maxmem -= btoc(MSGBUFSIZE);
|
||||
msgbufaddr = (caddr_t)(MIPS_PHYS_TO_KSEG0(maxmem << PGSHIFT));
|
||||
initmsgbuf(msgbufaddr, mips_round_page(MSGBUFSIZE));
|
||||
|
||||
/*
|
||||
* Allocate space for system data structures.
|
||||
* The first available kernel virtual address is in "v".
|
||||
* As pages of kernel virtual memory are allocated, "v" is incremented.
|
||||
*
|
||||
* These data structures are allocated here instead of cpu_startup()
|
||||
* because physical memory is directly addressable. We don't have
|
||||
* to map these into virtual address space.
|
||||
*/
|
||||
start = v;
|
||||
|
||||
#define valloc(name, type, num) \
|
||||
(name) = (type *)v; v = (caddr_t)((name)+(num))
|
||||
#define valloclim(name, type, num, lim) \
|
||||
(name) = (type *)v; v = (caddr_t)((lim) = ((name)+(num)))
|
||||
#ifdef REAL_CLISTS
|
||||
valloc(cfree, struct cblock, nclist);
|
||||
#endif
|
||||
valloc(callout, struct callout, ncallout);
|
||||
#ifdef SYSVSHM
|
||||
valloc(shmsegs, struct shmid_ds, shminfo.shmmni);
|
||||
#endif
|
||||
#ifdef SYSVSEM
|
||||
valloc(sema, struct semid_ds, seminfo.semmni);
|
||||
valloc(sem, struct sem, seminfo.semmns);
|
||||
/* This is pretty disgusting! */
|
||||
valloc(semu, int, (seminfo.semmnu * seminfo.semusz) / sizeof(int));
|
||||
#endif
|
||||
#ifdef SYSVMSG
|
||||
valloc(msgpool, char, msginfo.msgmax);
|
||||
valloc(msgmaps, struct msgmap, msginfo.msgseg);
|
||||
valloc(msghdrs, struct msg, msginfo.msgtql);
|
||||
valloc(msqids, struct msqid_ds, msginfo.msgmni);
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Determine how many buffers to allocate.
|
||||
* We allocate more buffer space than the BSD standard of
|
||||
* using 10% of memory for the first 2 Meg, 5% of remaining.
|
||||
* We just allocate a flat 10%. Ensure a minimum of 16 buffers.
|
||||
* We allocate 1/2 as many swap buffer headers as file i/o buffers.
|
||||
*/
|
||||
if (bufpages == 0)
|
||||
bufpages = physmem / 10 / CLSIZE;
|
||||
if (nbuf == 0) {
|
||||
nbuf = bufpages;
|
||||
if (nbuf < 16)
|
||||
nbuf = 16;
|
||||
}
|
||||
if (nswbuf == 0) {
|
||||
nswbuf = (nbuf / 2) &~ 1; /* force even */
|
||||
if (nswbuf > 256)
|
||||
nswbuf = 256; /* sanity */
|
||||
}
|
||||
valloc(swbuf, struct buf, nswbuf);
|
||||
valloc(buf, struct buf, nbuf);
|
||||
|
||||
/*
|
||||
* Clear allocated memory.
|
||||
*/
|
||||
bzero(start, v - start);
|
||||
|
||||
/*
|
||||
* Initialize the virtual memory system.
|
||||
*/
|
||||
pmap_bootstrap((vm_offset_t)v);
|
||||
pmap_bootstrap();
|
||||
}
|
||||
|
||||
/*
|
||||
|
||||
Loading…
Reference in New Issue
Block a user