NetBSD-5.0.2/sys/arch/news68k/news68k/machdep.c
/* $NetBSD: machdep.c,v 1.72.4.1 2009/02/02 03:30:33 snj Exp $ */
/*
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: machdep.c 1.74 92/12/20$
*
* @(#)machdep.c 8.10 (Berkeley) 4/20/94
*/
/*
* Copyright (c) 1988 University of Utah.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: machdep.c 1.74 92/12/20$
*
* @(#)machdep.c 8.10 (Berkeley) 4/20/94
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.72.4.1 2009/02/02 03:30:33 snj Exp $");
#include "opt_ddb.h"
#include "opt_compat_netbsd.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/mount.h>
#include <sys/msgbuf.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <sys/tty.h>
#include <sys/user.h>
#include <sys/exec.h>
#include <sys/core.h>
#include <sys/kcore.h>
#include <sys/ksyms.h>
#ifdef DDB
#include <machine/db_machdep.h>
#include <ddb/db_sym.h>
#include <ddb/db_extern.h>
#endif
#ifdef __ELF__
#include <sys/exec_elf.h>
#endif
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <machine/reg.h>
#include <machine/pte.h>
#include <machine/intr.h>
#include <machine/kcore.h> /* XXX should be pulled in by sys/kcore.h */
#include <dev/cons.h>
#define MAXMEM 64*1024 /* XXX - from cmap.h */
#include <uvm/uvm_extern.h>
#include <sys/sysctl.h>
#include <news68k/news68k/machid.h>
#include <news68k/news68k/isr.h>
#include "le.h"
#include "kb.h"
#include "ms.h"
#include "si.h"
#include "ksyms.h"
/* XXX etc. etc. */
/* the following is used externally (sysctl_hw) */
char machine[] = MACHINE; /* from <machine/param.h> */
/* Our exported CPU info; we can have only one. */
struct cpu_info cpu_info_store;
struct vm_map *mb_map = NULL;
struct vm_map *phys_map = NULL;
int maxmem; /* max memory per process */
int physmem = MAXMEM; /* max supported memory, changes to actual */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
extern paddr_t avail_start, avail_end;
extern int end, *esym;
extern u_int lowram;
extern u_int ctrl_led_phys;
/* prototypes for local functions */
static void identifycpu(void);
static void initcpu(void);
static int cpu_dumpsize(void);
static int cpu_dump(int (*)(dev_t, daddr_t, void *, size_t), daddr_t *);
static void cpu_init_kcore_hdr(void);
#ifdef news1700
static void news1700_init(void);
static void parityenable(void);
static void parityerror(void);
#endif
#ifdef news1200
static void news1200_init(void);
#endif
/* functions called from locore.s */
void dumpsys(void);
void news68k_init(void);
void straytrap(int, u_short);
/*
* Machine-dependent crash dump header info.
*/
cpu_kcore_hdr_t cpu_kcore_hdr;
/*
* Note that the value of delay_divisor is roughly
* 2048 / cpuspeed (where cpuspeed is in MHz) on 68020
* and 68030 systems.
*/
int cpuspeed = 25; /* relative CPU speed; XXX skewed on 68040 */
int delay_divisor = 82; /* delay constant */
/*
* Early initialization, before main() is called.
*/
void
news68k_init(void)
{
int i;
/*
* Tell the VM system about available physical memory. The
* news68k only has one segment.
*/
uvm_page_physload(atop(avail_start), atop(avail_end),
atop(avail_start), atop(avail_end), VM_FREELIST_DEFAULT);
/* Initialize system variables. */
switch (systype) {
#ifdef news1700
case NEWS1700:
news1700_init();
break;
#endif
#ifdef news1200
case NEWS1200:
news1200_init();
break;
#endif
default:
panic("impossible system type");
}
isrinit();
/*
* Initialize error message buffer (at end of core).
* avail_end was pre-decremented in pmap_bootstrap to compensate.
*/
for (i = 0; i < btoc(MSGBUFSIZE); i++)
pmap_kenter_pa((vaddr_t)msgbufaddr + i * PAGE_SIZE,
avail_end + i * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE)
pmap_update(pmap_kernel());
initmsgbuf(msgbufaddr, m68k_round_page(MSGBUFSIZE));
}
/*
* cpu_startup: allocate memory for variable-sized tables,
* initialize CPU, and do autoconfiguration.
*/
void
cpu_startup(void)
{
vaddr_t minaddr, maxaddr;
char pbuf[9];
#ifdef DEBUG
extern int pmapdebug;
int opmapdebug = pmapdebug;
pmapdebug = 0;
#endif
if (fputype != FPU_NONE)
m68k_make_fpu_idle_frame();
/*
* Initialize the kernel crash dump header.
*/
cpu_init_kcore_hdr();
/*
* Good {morning,afternoon,evening,night}.
*/
printf("%s%s", copyright, version);
identifycpu();
format_bytes(pbuf, sizeof(pbuf), ctob(physmem));
printf("total memory = %s\n", pbuf);
minaddr = 0;
/*
* Allocate a submap for physio
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, false, NULL);
/*
* Finally, allocate mbuf cluster submap.
*/
mb_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
nmbclusters * mclbytes, VM_MAP_INTRSAFE, false, NULL);
#ifdef DEBUG
pmapdebug = opmapdebug;
#endif
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
/*
* Set up CPU-specific registers, cache, etc.
*/
initcpu();
}
/*
* Set registers on exec.
*/
void
setregs(struct lwp *l, struct exec_package *pack, u_long stack)
{
struct frame *frame = (struct frame *)l->l_md.md_regs;
frame->f_sr = PSL_USERSET;
frame->f_pc = pack->ep_entry & ~1;
frame->f_regs[D0] = 0;
frame->f_regs[D1] = 0;
frame->f_regs[D2] = 0;
frame->f_regs[D3] = 0;
frame->f_regs[D4] = 0;
frame->f_regs[D5] = 0;
frame->f_regs[D6] = 0;
frame->f_regs[D7] = 0;
frame->f_regs[A0] = 0;
frame->f_regs[A1] = 0;
frame->f_regs[A2] = (int)l->l_proc->p_psstr;
frame->f_regs[A3] = 0;
frame->f_regs[A4] = 0;
frame->f_regs[A5] = 0;
frame->f_regs[A6] = 0;
frame->f_regs[SP] = stack;
/* restore a null state frame */
l->l_addr->u_pcb.pcb_fpregs.fpf_null = 0;
if (fputype != FPU_NONE)
m68881_restore(&l->l_addr->u_pcb.pcb_fpregs);
}
/*
* Info for CTL_HW
*/
char cpu_model[124];
int news_machine_id;
static void
identifycpu(void)
{
printf("SONY NET WORK STATION, Model %s, ", cpu_model);
printf("Machine ID #%d\n", news_machine_id);
delay_divisor = (20480 / cpuspeed + 5) / 10; /* XXX */
}
/*
* machine dependent system variables.
*/
SYSCTL_SETUP(sysctl_machdep_setup, "sysctl machdep subtree setup")
{
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT,
CTLTYPE_NODE, "machdep", NULL,
NULL, 0, NULL, 0,
CTL_MACHDEP, CTL_EOL);
sysctl_createv(clog, 0, NULL, NULL,
CTLFLAG_PERMANENT,
CTLTYPE_STRUCT, "console_device", NULL,
sysctl_consdev, 0, NULL, sizeof(dev_t),
CTL_MACHDEP, CPU_CONSDEV, CTL_EOL);
}
int waittime = -1;
void
cpu_reboot(int howto, char *bootstr)
{
/* take a snap shot before clobbering any registers */
if (curlwp->l_addr)
savectx(&curlwp->l_addr->u_pcb);
/* If system is cold, just halt. */
if (cold) {
howto |= RB_HALT;
goto haltsys;
}
boothowto = howto;
if ((howto & RB_NOSYNC) == 0 && waittime < 0) {
waittime = 0;
vfs_shutdown();
/*
* If we've been adjusting the clock, the todr
* will be out of synch; adjust it now.
*/
resettodr();
}
/* Disable interrupts. */
splhigh();
/* If rebooting and a dump is requested, do it. */
if (howto & RB_DUMP)
dumpsys();
haltsys:
/* Run any shutdown hooks. */
doshutdownhooks();
#if defined(PANICWAIT) && !defined(DDB)
if ((howto & RB_HALT) == 0 && panicstr) {
printf("hit any key to reboot...\n");
(void)cngetc();
printf("\n");
}
#endif
/* Finally, halt/reboot the system. */
if ((howto & RB_POWERDOWN) == RB_POWERDOWN) {
DELAY(1000000);
doboot(RB_POWERDOWN);
/* NOTREACHED */
}
if (howto & RB_HALT) {
printf("System halted.\n\n");
doboot(RB_HALT);
/* NOTREACHED */
}
printf("rebooting...\n");
DELAY(1000000);
doboot(RB_AUTOBOOT);
/* NOTREACHED */
}
/*
* Initialize the kernel crash dump header.
*/
static void
cpu_init_kcore_hdr(void)
{
cpu_kcore_hdr_t *h = &cpu_kcore_hdr;
struct m68k_kcore_hdr *m = &h->un._m68k;
memset(&cpu_kcore_hdr, 0, sizeof(cpu_kcore_hdr));
/*
* Initialize the `dispatcher' portion of the header.
*/
strcpy(h->name, machine);
h->page_size = PAGE_SIZE;
h->kernbase = KERNBASE;
/*
* Fill in information about our MMU configuration.
*/
m->mmutype = mmutype;
m->sg_v = SG_V;
m->sg_frame = SG_FRAME;
m->sg_ishift = SG_ISHIFT;
m->sg_pmask = SG_PMASK;
m->sg40_shift1 = SG4_SHIFT1;
m->sg40_mask2 = SG4_MASK2;
m->sg40_shift2 = SG4_SHIFT2;
m->sg40_mask3 = SG4_MASK3;
m->sg40_shift3 = SG4_SHIFT3;
m->sg40_addr1 = SG4_ADDR1;
m->sg40_addr2 = SG4_ADDR2;
m->pg_v = PG_V;
m->pg_frame = PG_FRAME;
/*
* Initialize pointer to kernel segment table.
*/
m->sysseg_pa = (uint32_t)(pmap_kernel()->pm_stpa);
/*
* Initialize relocation value such that:
*
* pa = (va - KERNBASE) + reloc
*/
m->reloc = lowram;
/*
* Define the end of the relocatable range.
*/
m->relocend = (uint32_t)&end;
/*
* news68k has one contiguous memory segment.
*/
m->ram_segs[0].start = lowram;
m->ram_segs[0].size = ctob(physmem);
}
/*
* Compute the size of the machine-dependent crash dump header.
* Returns size in disk blocks.
*/
#define CHDRSIZE (ALIGN(sizeof(kcore_seg_t)) + ALIGN(sizeof(cpu_kcore_hdr_t)))
#define MDHDRSIZE roundup(CHDRSIZE, dbtob(1))
static int
cpu_dumpsize(void)
{
return btodb(MDHDRSIZE);
}
/*
* Called by dumpsys() to dump the machine-dependent header.
*/
static int
cpu_dump(int (*dump)(dev_t, daddr_t, void *, size_t), daddr_t *blknop)
{
int buf[MDHDRSIZE / sizeof(int)];
cpu_kcore_hdr_t *chdr;
kcore_seg_t *kseg;
int error;
kseg = (kcore_seg_t *)buf;
chdr = (cpu_kcore_hdr_t *)&buf[ALIGN(sizeof(kcore_seg_t)) /
sizeof(int)];
/* Create the segment header. */
CORE_SETMAGIC(*kseg, KCORE_MAGIC, MID_MACHINE, CORE_CPU);
kseg->c_size = MDHDRSIZE - ALIGN(sizeof(kcore_seg_t));
memcpy(chdr, &cpu_kcore_hdr, sizeof(cpu_kcore_hdr_t));
error = (*dump)(dumpdev, *blknop, (void *)buf, sizeof(buf));
*blknop += btodb(sizeof(buf));
return error;
}
/*
* These variables are needed by /sbin/savecore
*/
uint32_t dumpmag = 0x8fca0101; /* magic number */
int dumpsize = 0; /* pages */
long dumplo = 0; /* blocks */
/*
* This is called by main to set dumplo and dumpsize.
* Dumps always skip the first PAGE_SIZE of disk space
* in case there might be a disk label stored there.
* If there is extra space, put dump at the end to
* reduce the chance that swapping trashes it.
*/
void
cpu_dumpconf(void)
{
const struct bdevsw *bdev;
int chdrsize; /* size of dump header */
int nblks; /* size of dump area */
if (dumpdev == NODEV)
return;
bdev = bdevsw_lookup(dumpdev);
if (bdev == NULL) {
dumpdev = NODEV;
return;
}
if (bdev->d_psize == NULL)
return;
nblks = (*bdev->d_psize)(dumpdev);
chdrsize = cpu_dumpsize();
dumpsize = btoc(cpu_kcore_hdr.un._m68k.ram_segs[0].size);
/*
* Check do see if we will fit. Note we always skip the
* first PAGE_SIZE in case there is a disk label there.
*/
if (nblks < (ctod(dumpsize) + chdrsize + ctod(1))) {
dumpsize = 0;
dumplo = -1;
return;
}
/*
* Put dump at the end of the partition.
*/
dumplo = (nblks - 1) - ctod(dumpsize) - chdrsize;
}
/*
* Dump physical memory onto the dump device. Called by cpu_reboot().
*/
void
dumpsys(void)
{
const struct bdevsw *bdev;
daddr_t blkno; /* current block to write */
/* dump routine */
int (*dump)(dev_t, daddr_t, void *, size_t);
int pg; /* page being dumped */
paddr_t maddr; /* PA being dumped */
int error; /* error code from (*dump)() */
/* XXX initialized here because of gcc lossage */
maddr = lowram;
pg = 0;
/* Make sure dump device is valid. */
if (dumpdev == NODEV)
return;
bdev = bdevsw_lookup(dumpdev);
if (bdev == NULL)
return;
if (dumpsize == 0) {
cpu_dumpconf();
if (dumpsize == 0)
return;
}
if (dumplo <= 0) {
printf("\ndump to dev %u,%u not possible\n", major(dumpdev),
minor(dumpdev));
return;
}
dump = bdev->d_dump;
blkno = dumplo;
printf("\ndumping to dev %u,%u offset %ld\n", major(dumpdev),
minor(dumpdev), dumplo);
printf("dump ");
/* Write the dump header. */
error = cpu_dump(dump, &blkno);
if (error)
goto bad;
for (pg = 0; pg < dumpsize; pg++) {
#define NPGMB (1024*1024/PAGE_SIZE)
/* print out how many MBs we have dumped */
if (pg && (pg % NPGMB) == 0)
printf_nolog("%d ", pg / NPGMB);
#undef NPGMB
pmap_enter(pmap_kernel(), (vaddr_t)vmmap, maddr,
VM_PROT_READ, VM_PROT_READ|PMAP_WIRED);
pmap_update(pmap_kernel());
error = (*dump)(dumpdev, blkno, vmmap, PAGE_SIZE);
bad:
switch (error) {
case 0:
maddr += PAGE_SIZE;
blkno += btodb(PAGE_SIZE);
break;
case ENXIO:
printf("device bad\n");
return;
case EFAULT:
printf("device not ready\n");
return;
case EINVAL:
printf("area improper\n");
return;
case EIO:
printf("i/o error\n");
return;
case EINTR:
printf("aborted from console\n");
return;
default:
printf("error %d\n", error);
return;
}
}
printf("succeeded\n");
}
static void
initcpu(void)
{
#ifdef MAPPEDCOPY
/*
* Initialize lower bound for doing copyin/copyout using
* page mapping (if not already set). We don't do this on
* VAC machines as it loses big time.
*/
if (ectype == EC_VIRT)
mappedcopysize = -1; /* in case it was patched */
else
mappedcopysize = PAGE_SIZE;
#endif
}
void
straytrap(int pc, u_short evec)
{
printf("unexpected trap (vector offset %x) from %x\n",
evec & 0xFFF, pc);
}
/* XXX should change the interface, and make one badaddr() function */
int *nofault;
int
badaddr(void *addr, int nbytes)
{
int i;
label_t faultbuf;
#ifdef lint
i = *addr; if (i) return 0;
#endif
nofault = (int *) &faultbuf;
if (setjmp((label_t *)nofault)) {
nofault = (int *) 0;
return 1;
}
switch (nbytes) {
case 1:
i = *(volatile char *)addr;
break;
case 2:
i = *(volatile short *)addr;
break;
case 4:
i = *(volatile int *)addr;
break;
default:
panic("badaddr: bad request");
}
nofault = (int *) 0;
return 0;
}
int
badbaddr(void *addr)
{
int i;
label_t faultbuf;
nofault = (int *) &faultbuf;
if (setjmp((label_t *)nofault)) {
nofault = (int *) 0;
return 1;
}
i = *(volatile char *)addr;
nofault = (int *) 0;
return 0;
}
/*
* cpu_exec_aout_makecmds():
* CPU-dependent a.out format hook for execve().
*
* Determine of the given exec package refers to something which we
* understand and, if so, set up the vmcmds for it.
*
* XXX what are the special cases for the hp300?
* XXX why is this COMPAT_NOMID? was something generating
* hp300 binaries with an a_mid of 0? i thought that was only
* done on little-endian machines... -- cgd
*/
int
cpu_exec_aout_makecmds(struct lwp *l, struct exec_package *epp)
{
#if defined(COMPAT_NOMID) || defined(COMPAT_44)
u_long midmag, magic;
u_short mid;
int error;
struct exec *execp = epp->ep_hdr;
midmag = ntohl(execp->a_midmag);
mid = (midmag >> 16) & 0xffff;
magic = midmag & 0xffff;
midmag = mid << 16 | magic;
switch (midmag) {
#ifdef COMPAT_NOMID
case (MID_ZERO << 16) | ZMAGIC:
error = exec_aout_prep_oldzmagic(l->l_proc, epp);
return(error);
#endif
#ifdef COMPAT_44
case (MID_HP300 << 16) | ZMAGIC:
error = exec_aout_prep_oldzmagic(p, epp);
return error;
#endif
}
#endif /* !(defined(COMPAT_NOMID) || defined(COMPAT_44)) */
return ENOEXEC;
}
/*
* System dependent initilization
*/
static volatile uint8_t *dip_switch, *int_status;
const uint8_t *idrom_addr;
volatile uint8_t *ctrl_ast, *ctrl_int2;
volatile uint8_t *ctrl_led;
uint32_t sccport0a, lance_mem_phys;
#ifdef news1700
static volatile u_char *ctrl_parity, *ctrl_parity_clr, *parity_vector;
struct news68k_model {
const int id;
const char *name;
};
static const struct news68k_model news68k_models[] = {
{ ICK001, "ICK001" }, /* 1 */
{ ICK00X, "ICK00X" }, /* 2 */
{ NWS799, "NWS-799" }, /* 3 */
{ NWS800, "NWS-800" }, /* 4 */
{ NWS801, "NWS-801" }, /* 5 */
{ NWS802, "NWS-802" }, /* 6 */
{ NWS711, "NWS-711" }, /* 7 */
{ NWS721, "NWS-721" }, /* 8 */
{ NWS1850, "NWS-1850" }, /* 9 */
{ NWS810, "NWS-810" }, /* 10 */
{ NWS811, "NWS-811" }, /* 11 */
{ NWS1830, "NWS-1830" }, /* 12 */
{ NWS1750, "NWS-1750" }, /* 13 */
{ NWS1720, "NWS-1720" }, /* 14 */
{ NWS1930, "NWS-1930" }, /* 15 */
{ NWS1960, "NWS-1960" }, /* 16 */
{ NWS712, "NWS-712" }, /* 17 */
{ NWS1860, "NWS-1860" }, /* 18 */
{ PWS1630, "PWS-1630" }, /* 19 */
{ NWS820, "NWS-820" }, /* 20 */
{ NWS821, "NWS-821" }, /* 21 */
{ NWS1760, "NWS-1760" }, /* 22 */
{ NWS1710, "NWS-1710" }, /* 23 */
{ NWS830, "NWS-830" }, /* 30 */
{ NWS831, "NWS-831" }, /* 31 */
{ NWS841, "NWS-841" }, /* 41 */
{ PWS1570, "PWS-1570" }, /* 52 */
{ PWS1590, "PWS-1590" }, /* 54 */
{ NWS1520, "NWS-1520" }, /* 56 */
{ PWS1550, "PWS-1550" }, /* 73 */
{ PWS1520, "PWS-1520" }, /* 74 */
{ PWS1560, "PWS-1560" }, /* 75 */
{ NWS1530, "NWS-1530" }, /* 76 */
{ NWS1580, "NWS-1580" }, /* 77 */
{ NWS1510, "NWS-1510" }, /* 78 */
{ NWS1410, "NWS-1410" }, /* 81 */
{ NWS1450, "NWS-1450" }, /* 85 */
{ NWS1460, "NWS-1460" }, /* 86 */
{ NWS891, "NWS-891" }, /* 91 */
{ NWS911, "NWS-911" }, /* 111 */
{ NWS921, "NWS-921" }, /* 121 */
{ 0, NULL }
};
static void
news1700_init(void)
{
struct oidrom idrom;
const char *t;
const uint8_t *p;
uint8_t *q;
u_int i;
dip_switch = (uint8_t *)IIOV(0xe1c00100);
int_status = (uint8_t *)IIOV(0xe1c00200);
idrom_addr = (uint8_t *)IIOV(0xe1c00000);
ctrl_ast = (uint8_t *)IIOV(0xe1280000);
ctrl_int2 = (uint8_t *)IIOV(0xe1180000);
ctrl_led = (uint8_t *)IIOV(ctrl_led_phys);
sccport0a = IIOV(0xe0d40002);
lance_mem_phys = 0xe0e00000;
p = idrom_addr;
q = (uint8_t *)&idrom;
for (i = 0; i < sizeof(idrom); i++, p += 2)
*q++ = ((*p & 0x0f) << 4) | (*(p + 1) & 0x0f);
t = NULL;
for (i = 0; news68k_models[i].name != NULL; i++) {
if (news68k_models[i].id == idrom.id_model) {
t = news68k_models[i].name;
}
}
if (t == NULL)
panic("unexpected system model.");
strcat(cpu_model, t);
news_machine_id = (idrom.id_serial[0] << 8) + idrom.id_serial[1];
ctrl_parity = (uint8_t *)IIOV(0xe1080000);
ctrl_parity_clr = (uint8_t *)IIOV(0xe1a00000);
parity_vector = (uint8_t *)IIOV(0xe1c00200);
parityenable();
cpuspeed = 25;
}
/*
* parity error handling (vectored NMI?)
*/
static void
parityenable(void)
{
#define PARITY_VECT 0xc0
#define PARITY_PRI 7
*parity_vector = PARITY_VECT;
isrlink_vectored((int (*)(void *))parityerror, NULL,
PARITY_PRI, PARITY_VECT);
*ctrl_parity_clr = 1;
*ctrl_parity = 1;
#ifdef DEBUG
printf("enable parity check\n");
#endif
}
static int innmihand; /* simple mutex */
static void
parityerror(void)
{
/* Prevent unwanted recursion. */
if (innmihand)
return;
innmihand = 1;
#if 0 /* XXX need to implement XXX */
panic("parity error");
#else
printf("parity error detected.\n");
*ctrl_parity_clr = 1;
#endif
innmihand = 0;
}
#endif /* news1700 */
#ifdef news1200
static void
news1200_init(void)
{
struct idrom idrom;
const uint8_t *p;
uint8_t *q;
int i;
dip_switch = (uint8_t *)IIOV(0xe1680000);
int_status = (uint8_t *)IIOV(0xe1200000);
idrom_addr = (uint8_t *)IIOV(0xe1400000);
ctrl_ast = (uint8_t *)IIOV(0xe1100000);
ctrl_int2 = (uint8_t *)IIOV(0xe10c0000);
ctrl_led = (uint8_t *)IIOV(ctrl_led_phys);
sccport0a = IIOV(0xe1780002);
lance_mem_phys = 0xe1a00000;
p = idrom_addr;
q = (uint8_t *)&idrom;
for (i = 0; i < sizeof(idrom); i++, p += 2)
*q++ = ((*p & 0x0f) << 4) | (*(p + 1) & 0x0f);
strcat(cpu_model, idrom.id_model);
news_machine_id = idrom.id_serial;
cpuspeed = 25;
}
#endif /* news1200 */
/*
* interrupt handlers
* XXX should do better handling XXX
*/
void intrhand_lev3(void);
void intrhand_lev4(void);
void
intrhand_lev3(void)
{
int stat;
idepth++;
stat = *int_status;
intrcnt[3]++;
uvmexp.intrs++;
#if 1
printf("level 3 interrupt: INT_STATUS = 0x%02x\n", stat);
#endif
idepth--;
}
extern int leintr(int);
extern int si_intr(int);
void
intrhand_lev4(void)
{
int stat;
idepth++;
#define INTST_LANCE 0x04
#define INTST_SCSI 0x80
stat = *int_status;
intrcnt[4]++;
uvmexp.intrs++;
#if NSI > 0
if (stat & INTST_SCSI) {
si_intr(0);
}
#endif
#if NLE > 0
if (stat & INTST_LANCE) {
leintr(0);
}
#endif
#if 0
printf("level 4 interrupt\n");
#endif
idepth--;
}
/*
* consinit() routines - from newsmips/cpu_cons.c
*/
/*
* Console initialization: called early on from main,
* before vm init or startup. Do enough configuration
* to choose and initialize a console.
* XXX need something better here.
*/
#define SCC_CONSOLE 0
#define SW_CONSOLE 0x07
#define SW_NWB512 0x04
#define SW_NWB225 0x01
#define SW_FBPOP 0x02
#define SW_FBPOP1 0x06
#define SW_FBPOP2 0x03
#define SW_AUTOSEL 0x07
struct consdev *cn_tab = NULL;
extern struct consdev consdev_bm, consdev_zs;
int tty00_is_console = 0;
void
consinit(void)
{
int dipsw = *dip_switch;
dipsw &= ~SW_CONSOLE;
switch (dipsw & SW_CONSOLE) {
default: /* XXX no fb support yet */
case 0:
tty00_is_console = 1;
cn_tab = &consdev_zs;
(*cn_tab->cn_init)(cn_tab);
break;
}
#if NKSYMS || defined(DDB) || defined(LKM)
ksyms_init((int)esym - (int)&end - sizeof(Elf32_Ehdr),
(void *)&end, esym);
#endif
#ifdef DDB
if (boothowto & RB_KDB)
Debugger();
#endif
}