void
boot(dev_t dev)
{
u_long marks[MARK_MAX];
char path[128];
pdc_init();
cninit();
devboot(dev, path);
strncpy(path + strlen(path), ":/bsd.rd", 9);
printf(">> OpenBSD/" MACHINE " CDBOOT 0.1\n"
"booting %s: ", path);
marks[MARK_START] = (u_long)DEFAULT_KERNEL_ADDRESS;
if (!loadfile(path, marks, LOAD_KERNEL)) {
marks[MARK_END] = ALIGN(marks[MARK_END] -
(u_long)DEFAULT_KERNEL_ADDRESS);
fcacheall();
__asm("mtctl %r0, %cr17");
__asm("mtctl %r0, %cr17");
(*(startfuncp)(marks[MARK_ENTRY]))((int)(long)pdc, 0, bootdev,
marks[MARK_END], BOOTARG_APIVER, BOOTARG_LEN,
(caddr_t)BOOTARG_OFF);
/* not reached */
}
}
void
machdep(void)
{
pdc_init();
#ifdef notyet
debug_init();
#endif
cninit();
#ifdef PDCDEBUG
if (debug) {
int i;
printf("SSTOR:\n");
printf("pri_boot=");
DEVPATH_PRINT(&sstor.ss_pri_boot);
printf("alt_boot=");
DEVPATH_PRINT(&sstor.ss_alt_boot);
printf("console =");
DEVPATH_PRINT(&sstor.ss_console);
printf("keyboard=");
DEVPATH_PRINT(&sstor.ss_keyboard);
printf("mem=%d, fn=%s, osver=%d\nos={",
sstor.ss_fast_size, sstor.ss_filenames,
sstor.ss_os_version);
for (i = 0; i < sizeof(sstor.ss_os); i++)
printf ("%x%c", sstor.ss_os[i], (i%8)? ',' : '\n');
printf("}\nPAGE0:\n");
printf("ivec=%x, pf=%p[%u], toc=%p[%u], rndz=%p, clk/10ms=%u\n",
PAGE0->ivec_special, PAGE0->ivec_mempf,
PAGE0->ivec_mempflen, PAGE0->ivec_toc,
PAGE0->ivec_toclen, PAGE0->ivec_rendz,
PAGE0->mem_10msec);
printf ("mem: cont=%u, phys=%u, pdc_spa=%u, resv=%u, free=%x\n"
"cpu_hpa=%x, pdc=%p, imm_hpa=%p[%u,%u], soft=%u\n",
PAGE0->memc_cont, PAGE0->memc_phsize, PAGE0->memc_adsize,
PAGE0->memc_resv, PAGE0->mem_free, PAGE0->mem_hpa,
PAGE0->mem_pdc, PAGE0->imm_hpa, PAGE0->imm_spa_size,
PAGE0->imm_max_mem, PAGE0->imm_soft_boot);
printf("console: ");
PZDEV_PRINT(&PAGE0->mem_cons);
printf("boot: ");
PZDEV_PRINT(&PAGE0->mem_boot);
printf("keyboard: ");
PZDEV_PRINT(&PAGE0->mem_kbd);
}
#endif
}
void
machdep()
{
pdc_init();
#ifdef notyet
debug_init();
#endif
cninit();
#ifdef PDCDEBUG
if (debug) {
printf("SSTOR:\n");
printf("pri_boot="); DEVPATH_PRINT(&sstor.ss_pri_boot);
printf("alt_boot="); DEVPATH_PRINT(&sstor.ss_alt_boot);
printf("console ="); DEVPATH_PRINT(&sstor.ss_console);
printf("keyboard="); DEVPATH_PRINT(&sstor.ss_keyboard);
printf("mem=%d, fn=%s, osver=%d\n"
"os={%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,\n"
"%x,%x,%x,%x,%x,%x,%x,%x,%x,%x,%x}\n",
sstor.ss_fast_size, sstor.ss_filenames,
sstor.ss_os_version,
sstor.ss_os[0], sstor.ss_os[1], sstor.ss_os[2],
sstor.ss_os[3], sstor.ss_os[4], sstor.ss_os[5],
sstor.ss_os[6], sstor.ss_os[7], sstor.ss_os[8],
sstor.ss_os[9], sstor.ss_os[10], sstor.ss_os[11],
sstor.ss_os[12], sstor.ss_os[13], sstor.ss_os[14],
sstor.ss_os[15], sstor.ss_os[16], sstor.ss_os[17],
sstor.ss_os[18], sstor.ss_os[19], sstor.ss_os[20],
sstor.ss_os[21]);
printf("PAGE0:\n");
printf("ivec=%x, pf=%p[%u], toc=%p[%u], rendz=%p\n"
"mem: cont=%u, phys=%u, pdc_spa=%u, resv=%u, free=%x\n"
"cpu_hpa=%p, pdc=%p, imm_hpa=%p[%u,%u]\n"
"soft=%u, tic/10ms=%u\n",
PAGE0->ivec_special, PAGE0->ivec_mempf,
PAGE0->ivec_mempflen, PAGE0->ivec_toc,
PAGE0->ivec_toclen, PAGE0->ivec_rendz,
PAGE0->memc_cont, PAGE0->memc_phsize, PAGE0->memc_adsize,
PAGE0->memc_resv, PAGE0->mem_free, PAGE0->mem_hpa,
PAGE0->mem_pdc, PAGE0->imm_hpa, PAGE0->imm_spa_size,
PAGE0->imm_max_mem, PAGE0->imm_soft_boot,
PAGE0->mem_10msec);
printf("console: "); PZDEV_PRINT(&PAGE0->mem_cons);
printf("boot: "); PZDEV_PRINT(&PAGE0->mem_boot);
printf("keyboard: "); PZDEV_PRINT(&PAGE0->mem_kbd);
}
#endif
}
void
hppa_init()
{
extern int kernel_text, end;
struct pdc_hwtlb pdc_hwtlb PDC_ALIGNMENT;
struct pdc_coproc pdc_coproc PDC_ALIGNMENT;
vm_offset_t v, vstart, vend;
register int pdcerr;
int usehpt;
/* init PDC iface, so we can call em easy */
pdc_init();
/* calculate cpu speed */
cpu_hzticks = (PAGE0->mem_10msec * 100) / hz;
delay_init();
/*
* get cache parameters from the PDC
*/
if ((pdcerr = pdc_call((iodcio_t)pdc, 0, PDC_CACHE, PDC_CACHE_DFLT,
&pdc_cache)) < 0) {
#ifdef DIAGNOSTIC
printf("Warning: PDC_CACHE call Ret'd %d\n", pdcerr);
#endif
}
dcache_line_mask = pdc_cache.dc_conf.cc_line * 16 - 1;
dcache_size = pdc_cache.dc_size;
dcache_stride = pdc_cache.dc_stride;
icache_stride = pdc_cache.ic_stride;
/*
* purge TLBs and flush caches
*/
if (pdc_call((iodcio_t)pdc, 0, PDC_BLOCK_TLB, PDC_BTLB_PURGE_ALL) < 0)
printf("WARNING: BTLB purge failed\n");
ptlball();
fcacheall();
/* calculate HPT size */
hpt_hashsize = PAGE0->imm_max_mem / NBPG;
mtctl(hpt_hashsize - 1, CR_HPTMASK);
/*
* If we want to use the HW TLB support, ensure that it exists.
*/
if (pdc_call((iodcio_t)pdc, 0, PDC_TLB, PDC_TLB_INFO, &pdc_hwtlb) &&
!pdc_hwtlb.min_size && !pdc_hwtlb.max_size) {
printf("WARNING: no HW tlb walker\n");
usehpt = 0;
} else {
usehpt = 1;
#ifdef DEBUG
printf("hwtlb: %u-%u, %u/",
pdc_hwtlb.min_size, pdc_hwtlb.max_size, hpt_hashsize);
#endif
if (hpt_hashsize > pdc_hwtlb.max_size)
hpt_hashsize = pdc_hwtlb.max_size;
else if (hpt_hashsize < pdc_hwtlb.min_size)
hpt_hashsize = pdc_hwtlb.min_size;
#ifdef DEBUG
printf("%u (0x%x)\n", hpt_hashsize,
hpt_hashsize * sizeof(struct hpt_entry));
#endif
}
totalphysmem = PAGE0->imm_max_mem / NBPG;
resvmem = ((vm_offset_t)&kernel_text) / NBPG;
vstart = hppa_round_page(&end);
vend = VM_MAX_KERNEL_ADDRESS;
/* we hope this won't fail */
hppa_ex = extent_create("mem", 0x0, 0xffffffff, M_DEVBUF,
(caddr_t)mem_ex_storage,
sizeof(mem_ex_storage),
EX_NOCOALESCE|EX_NOWAIT);
if (extent_alloc_region(hppa_ex, 0, (vm_offset_t)PAGE0->imm_max_mem,
EX_NOWAIT))
panic("cannot reserve main memory");
/*
* Allocate space for system data structures. We are given
* a starting virtual address and we return a final virtual
* address; along the way we set each data structure pointer.
*
* We call allocsys() with 0 to find out how much space we want,
* allocate that much and fill it with zeroes, and the call
* allocsys() again with the correct base virtual address.
*/
v = vstart;
#define valloc(name, type, num) \
(name) = (type *)v; v = (vm_offset_t)((name)+(num))
#ifdef REAL_CLISTS
valloc(cfree, struct cblock, nclist);
#endif
valloc(callout, struct callout, ncallout);
nswapmap = maxproc * 2;
valloc(swapmap, struct map, nswapmap);
#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
#ifndef BUFCACHEPERCENT
#define BUFCACHEPERCENT 10
#endif /* BUFCACHEPERCENT */
if (bufpages == 0)
bufpages = totalphysmem / BUFCACHEPERCENT / CLSIZE;
if (nbuf == 0) {
nbuf = bufpages;
if (nbuf < 16)
nbuf = 16;
}
/* Restrict to at most 70% filled kvm */
if (nbuf * MAXBSIZE >
(VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) * 7 / 10)
nbuf = (VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) /
MAXBSIZE * 7 / 10;
/* More buffer pages than fits into the buffers is senseless. */
if (bufpages > nbuf * MAXBSIZE / CLBYTES)
bufpages = nbuf * MAXBSIZE / CLBYTES;
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);
#undef valloc
bzero ((void *)vstart, (v - vstart));
vstart = v;
pmap_bootstrap(&vstart, &vend);
physmem = totalphysmem - btoc(vstart);
/* alloc msgbuf */
if (!(msgbufp = (void *)pmap_steal_memory(sizeof(struct msgbuf),
NULL, NULL)))
panic("cannot allocate msgbuf");
msgbufmapped = 1;
#ifdef DEBUG
printf("mem: %x+%x, %x\n", physmem, resvmem, totalphysmem);
#endif
/* Turn on the HW TLB assist */
if (usehpt) {
if ((pdcerr = pdc_call((iodcio_t)pdc, 0, PDC_TLB,
PDC_TLB_CONFIG, &pdc_hwtlb, hpt_table,
sizeof(struct hpt_entry) * hpt_hashsize,
PDC_TLB_WORD3)) < 0) {
printf("Warning: HW TLB init failed (%d), disabled\n",
pdcerr);
usehpt = 0;
} else
printf("HW TLB(%d entries at 0x%x) initialized (%d)\n",
hpt_hashsize, hpt_table, pdcerr);
}
/*
* Locate any coprocessors and enable them by setting up the CCR.
* SFU's are ignored (since we dont have any). Also, initialize
* the floating point registers here.
*/
if ((pdcerr = pdc_call((iodcio_t)pdc, 0, PDC_COPROC, PDC_COPROC_DFLT,
&pdc_coproc)) < 0)
printf("WARNING: PDC_COPROC call Ret'd %d\n", pdcerr);
else {
#ifdef DEBUG
printf("pdc_coproc: %x, %x\n", pdc_coproc.ccr_enable,
pdc_coproc.ccr_present);
#endif
}
copr_sfu_config = pdc_coproc.ccr_enable;
mtctl(copr_sfu_config & CCR_MASK, CR_CCR);
/*
fprinit(&fpcopr_version);
fpcopr_version = (fpcopr_version & 0x003ff800) >> 11;
mtctl(CR_CCR, 0);
*/
/*
* Clear the FAULT light (so we know when we get a real one)
* PDC_COPROC apparently turns it on (for whatever reason).
*/
pdcerr = PDC_OSTAT(PDC_OSTAT_RUN) | 0xCEC0;
(void) (*pdc)(PDC_CHASSIS, PDC_CHASSIS_DISP, pdcerr);
#ifdef DDB
ddb_init();
#endif
#ifdef DEBUG
printf("hppa_init: leaving\n");
#endif
kernelmapped++;
}