void
sh_startup()
{
vaddr_t minaddr, maxaddr;
printf("%s", version);
if (*cpu_model != '\0')
printf("%s\n", cpu_model);
#ifdef DEBUG
printf("general exception handler:\t%d byte\n",
sh_vector_generic_end - sh_vector_generic);
printf("TLB miss exception handler:\t%d byte\n",
#if defined(SH3) && defined(SH4)
CPU_IS_SH3 ? sh3_vector_tlbmiss_end - sh3_vector_tlbmiss :
sh4_vector_tlbmiss_end - sh4_vector_tlbmiss
#elif defined(SH3)
sh3_vector_tlbmiss_end - sh3_vector_tlbmiss
#elif defined(SH4)
sh4_vector_tlbmiss_end - sh4_vector_tlbmiss
#endif
);
printf("interrupt exception handler:\t%d byte\n",
sh_vector_interrupt_end - sh_vector_interrupt);
#endif /* DEBUG */
printf("real mem = %u (%uMB)\n", ptoa(physmem),
ptoa(physmem) / 1024 / 1024);
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Allocate a submap for physio
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
printf("avail mem = %lu (%luMB)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free) / 1024 / 1024);
if (boothowto & RB_CONFIG) {
#ifdef BOOT_CONFIG
user_config();
#else
printf("kernel does not support -c; continuing..\n");
#endif
}
}
/*
* cpu_startup: allocate memory for variable-sized tables, initialize CPU, and
* do auto-configuration.
*/
void
cpu_startup()
{
vaddr_t minaddr, maxaddr;
#ifdef PMAPDEBUG
extern int pmapdebug;
int opmapdebug = pmapdebug;
pmapdebug = 0; /* Shut up pmap debug during bootstrap. */
#endif
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
printf("real mem = %lu (%luMB)\n", ptoa((psize_t)physmem),
ptoa((psize_t)physmem)/1024/1024);
printf("rsvd mem = %lu (%luMB)\n", ptoa((psize_t)rsvdmem),
ptoa((psize_t)rsvdmem)/1024/1024);
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/* Allocate a submap for physio. */
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
#ifdef PMAPDEBUG
pmapdebug = opmapdebug;
#endif
printf("avail mem = %lu (%luMB)\n", ptoa((psize_t)uvmexp.free),
ptoa((psize_t)uvmexp.free)/1024/1024);
/*
* Set up CPU-specific registers, cache, etc.
*/
initcpu();
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
/*
* Configure the system.
*/
if (boothowto & RB_CONFIG) {
#ifdef BOOT_CONFIG
user_config();
#else
printf("kernel does not support -c; continuing..\n");
#endif
}
}
void
cpu_startup()
{
vaddr_t minaddr, maxaddr;
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
printf("real mem = %lu (%luMB)\n", ptoa(physmem),
ptoa(physmem)/1024/1024);
/*
* Grab machine dependent memory spaces
*/
platform->startup();
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Allocate map for physio.
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
printf("avail mem = %lu (%luMB)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free)/1024/1024);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
/*
* Configure the system.
*/
if (boothowto & RB_CONFIG) {
#ifdef BOOT_CONFIG
user_config();
#else
printf("kernel does not support -c; continuing..\n");
#endif
}
}
void
cpu_startup(void)
{
vaddr_t minaddr, maxaddr;
size_t msgbufsize = 32 * 1024;
/* get ourself a message buffer */
um_msgbuf = kmem_zalloc(msgbufsize, KM_SLEEP);
if (um_msgbuf == NULL)
panic("couldn't allocate msgbuf");
initmsgbuf(um_msgbuf, msgbufsize);
/* allocate a submap for physio, 1Mb enough? */
minaddr = 0;
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
1024 * 1024, 0, false, NULL);
/* say hi! */
banner();
/* init lwp0 */
memset(&lwp0pcb, 0, sizeof(lwp0pcb));
thunk_getcontext(&lwp0pcb.pcb_ucp);
thunk_sigemptyset(&lwp0pcb.pcb_ucp.uc_sigmask);
lwp0pcb.pcb_ucp.uc_flags = _UC_STACK | _UC_CPU | _UC_SIGMASK;
uvm_lwp_setuarea(&lwp0, (vaddr_t) &lwp0pcb);
memcpy(&lwp0pcb.pcb_userret_ucp, &lwp0pcb.pcb_ucp, sizeof(ucontext_t));
/* set stack top */
lwp0pcb.sys_stack_top = lwp0pcb.sys_stack + TRAPSTACKSIZE;
}
void
uvm_pager_init()
{
int lcv;
/*
* init pager map
*/
pager_map = uvm_km_suballoc(kernel_map, &uvm.pager_sva, &uvm.pager_eva,
PAGER_MAP_SIZE, FALSE, FALSE, NULL);
simple_lock_init(&pager_map_wanted_lock);
pager_map_wanted = FALSE;
/*
* init ASYNC I/O queue
*/
TAILQ_INIT(&uvm.aio_done);
/*
* call pager init functions
*/
for (lcv = 0 ; lcv < sizeof(uvmpagerops)/sizeof(struct uvm_pagerops *);
lcv++) {
if (uvmpagerops[lcv]->pgo_init)
uvmpagerops[lcv]->pgo_init();
}
}
/*
* cpu_startup: allocate memory for variable-sized tables,
* initialize CPU, and do autoconfiguration.
*/
void
cpu_startup(void)
{
vaddr_t minaddr, maxaddr;
#ifdef DEBUG
extern int pmapdebug;
int opmapdebug = pmapdebug;
pmapdebug = 0;
#endif
cpu_setmodel("FIC8234");
if (fputype != FPU_NONE)
m68k_make_fpu_idle_frame();
/*
* Good {morning,afternoon,evening,night}.
*/
printf("%s%s", copyright, version);
identifycpu();
printf("real mem = %d\n", ctob(physmem));
minaddr = 0;
/*
* Allocate a submap for physio
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, false, NULL);
#ifdef DEBUG
pmapdebug = opmapdebug;
#endif
printf("avail mem = %ld\n", ptoa(uvmexp.free));
}
/*
* Allocate memory for variable-sized tables,
*/
void
cpu_startup(void)
{
vaddr_t minaddr, maxaddr;
char pbuf[9];
/*
* Good {morning,afternoon,evening,night}.
*/
printf("%s%s", copyright, version);
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);
/*
* (No need to allocate an mbuf cluster submap. Mbuf clusters
* are allocated via the pool allocator, and we use KSEG to
* map those pages.)
*/
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
}
/*
* cpu_startup: allocate memory for variable-sized tables.
*/
void
cpu_startup()
{
vaddr_t minaddr, maxaddr;
char pbuf[9];
extern void greeting __P((void));
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);
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
/*
* Say "Hi" to the world
*/
greeting();
}
void
cpu_startup_common(void)
{
vaddr_t minaddr, maxaddr;
char pbuf[9]; /* "99999 MB" */
pmap_tlb_info_evcnt_attach(&pmap_tlb0_info);
#ifdef MULTIPROCESSOR
kcpuset_create(&cpus_halted, true);
KASSERT(cpus_halted != NULL);
kcpuset_create(&cpus_hatched, true);
KASSERT(cpus_hatched != NULL);
kcpuset_create(&cpus_paused, true);
KASSERT(cpus_paused != NULL);
kcpuset_create(&cpus_resumed, true);
KASSERT(cpus_resumed != NULL);
kcpuset_create(&cpus_running, true);
KASSERT(cpus_running != NULL);
kcpuset_set(cpus_hatched, cpu_number());
kcpuset_set(cpus_running, cpu_number());
#endif
cpu_hwrena_setup();
/*
* Good {morning,afternoon,evening,night}.
*/
printf("%s%s", copyright, version);
printf("%s\n", cpu_getmodel());
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);
/*
* (No need to allocate an mbuf cluster submap. Mbuf clusters
* are allocated via the pool allocator, and we use KSEG/XKPHYS to
* map those pages.)
*/
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
#if defined(__mips_n32)
module_machine = "mips-n32";
#endif
}
void
cpu_startup(void)
{
#if VAX46 || VAX48 || VAX49 || VAX53 || VAXANY
vaddr_t minaddr, maxaddr;
#endif
char pbuf[9];
/*
* Initialize error message buffer.
*/
initmsgbuf(msgbufaddr, round_page(MSGBUFSIZE));
/*
* Good {morning,afternoon,evening,night}.
* Also call CPU init on systems that need that.
*/
printf("%s%s", copyright, version);
printf("%s\n", cpu_getmodel());
if (dep_call->cpu_conf)
(*dep_call->cpu_conf)();
format_bytes(pbuf, sizeof(pbuf), avail_end);
printf("total memory = %s\n", pbuf);
panicstr = NULL;
mtpr(AST_NO, PR_ASTLVL);
spl0();
#if VAX46 || VAX48 || VAX49 || VAX53 || VAXANY
minaddr = 0;
/*
* Allocate a submap for physio. This map effectively limits the
* number of processes doing physio at any one time.
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, false, NULL);
#endif
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
#ifdef DDB
if (boothowto & RB_KDB)
Debugger();
#endif
iomap_ex_malloc_safe = 1;
}
void
cpu_startup(void)
{
extern int physmem;
extern struct vm_map *mb_map;
vaddr_t minaddr, maxaddr;
char pbuf[9];
printf("%s%s", copyright, version);
format_bytes(pbuf, sizeof(pbuf), ptoa(physmem));
printf("total memory = %s\n", pbuf);
minaddr = 0;
mb_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
nmbclusters * mclbytes, VM_MAP_INTRSAFE, false, NULL);
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
}
void
sh_startup(void)
{
vaddr_t minaddr, maxaddr;
char pbuf[9];
const char *model = cpu_getmodel();
printf("%s%s", copyright, version);
if (*model != '\0')
printf("%s", model);
#ifdef DEBUG
printf("general exception handler:\t%d byte\n",
sh_vector_generic_end - sh_vector_generic);
printf("TLB miss exception handler:\t%d byte\n",
#if defined(SH3) && defined(SH4)
CPU_IS_SH3 ? sh3_vector_tlbmiss_end - sh3_vector_tlbmiss :
sh4_vector_tlbmiss_end - sh4_vector_tlbmiss
#elif defined(SH3)
sh3_vector_tlbmiss_end - sh3_vector_tlbmiss
#elif defined(SH4)
sh4_vector_tlbmiss_end - sh4_vector_tlbmiss
#endif
);
printf("interrupt exception handler:\t%d byte\n",
sh_vector_interrupt_end - sh_vector_interrupt);
#endif /* DEBUG */
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);
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
}
/*
* 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
/*
* Good {morning,afternoon,evening,night}.
*/
printf("%s%s", copyright, version);
printf("SONY NET WORK STATION, Model %s, ", idrom.id_model);
printf("Machine ID #%d\n", idrom.id_serial);
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);
/*
* No need to allocate an mbuf cluster submap. Mbuf clusters
* are allocated via the pool allocator, and we use KSEG to
* map those pages.
*/
#ifdef DEBUG
pmapdebug = opmapdebug;
#endif
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
}
void
cpu_startup(void)
{
char pbuf[9];
vaddr_t minaddr, maxaddr;
#ifdef DEBUG
extern int pmapdebug; /* XXX */
int opmapdebug = pmapdebug;
pmapdebug = 0; /* Shut up pmap debug during bootstrap */
#endif
/*
* Good {morning,afternoon,evening,night}.
*/
printf("%s%s", copyright, version);
printf("%s\n", cpu_model);
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);
/*
* No need to allocate an mbuf cluster submap. Mbuf clusters
* are allocated via the pool allocator, and we use KSEG to
* map those pages.
*/
#ifdef DEBUG
pmapdebug = opmapdebug;
#endif
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
}
void
cpu_startup()
{
vaddr_t minaddr, maxaddr;
extern char cpu_model[];
/*
* Initialize error message buffer.
*/
initmsgbuf((caddr_t)msgbufp, round_page(MSGBUFSIZE));
/*
* Good {morning,afternoon,evening,night}.
* Also call CPU init on systems that need that.
*/
printf("%s%s [%08X %08X]\n", version, cpu_model, vax_cpudata, vax_siedata);
if (dep_call->cpu_conf)
(*dep_call->cpu_conf)();
printf("real mem = %u (%uMB)\n", ptoa(physmem),
ptoa(physmem)/1024/1024);
mtpr(AST_NO, PR_ASTLVL);
spl0();
/*
* Allocate a submap for exec arguments. This map effectively limits
* the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
#if VAX46 || VAX48 || VAX49 || VAX53 || VAX60
/*
* Allocate a submap for physio. This map effectively limits the
* number of processes doing physio at any one time.
*
* Note that machines on which all mass storage I/O controllers
* can perform address translation, do not need this.
*/
if (vax_boardtype == VAX_BTYP_46 || vax_boardtype == VAX_BTYP_48 ||
vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_1303 ||
vax_boardtype == VAX_BTYP_60)
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
#endif
printf("avail mem = %lu (%luMB)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free)/1024/1024);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
#ifdef DDB
if (boothowto & RB_KDB)
Debugger();
#endif
/*
* Configure the system.
*/
if (boothowto & RB_CONFIG) {
#ifdef BOOT_CONFIG
user_config();
#else
printf("kernel does not support -c; continuing..\n");
#endif
}
}
/*
* Allocate memory for variable-sized tables,
*/
void
cpu_startup()
{
unsigned i;
int base, residual;
vaddr_t minaddr, maxaddr;
vsize_t size;
char pbuf[9];
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
printf("%s\n", cpu_model);
format_bytes(pbuf, sizeof(pbuf), ctob(physmem));
printf("%s memory", pbuf);
/*
* Allocate virtual address space for file I/O buffers.
* Note they are different than the array of headers, 'buf',
* and usually occupy more virtual memory than physical.
*/
size = MAXBSIZE * nbuf;
if (uvm_map(kernel_map, (vaddr_t *)&buffers, round_page(size),
NULL, UVM_UNKNOWN_OFFSET, 0, UVM_MAPFLAG(UVM_PROT_NONE,
UVM_PROT_NONE, UVM_INH_NONE, UVM_ADV_NORMAL, 0)) != 0)
panic("startup: cannot allocate VM for buffers");
minaddr = (vaddr_t)buffers;
base = bufpages / nbuf;
residual = bufpages % nbuf;
for (i = 0; i < nbuf; i++) {
vsize_t curbufsize;
vaddr_t curbuf;
struct vm_page *pg;
/*
* Each buffer has MAXBSIZE bytes of VM space allocated. Of
* that MAXBSIZE space, we allocate and map (base+1) pages
* for the first "residual" buffers, and then we allocate
* "base" pages for the rest.
*/
curbuf = (vaddr_t) buffers + (i * MAXBSIZE);
curbufsize = NBPG * ((i < residual) ? (base + 1) : base);
while (curbufsize) {
pg = uvm_pagealloc(NULL, 0, NULL, 0);
if (pg == NULL)
panic("cpu_startup: not enough memory for "
"buffer cache");
pmap_kenter_pa(curbuf, VM_PAGE_TO_PHYS(pg),
VM_PROT_READ|VM_PROT_WRITE);
curbuf += PAGE_SIZE;
curbufsize -= PAGE_SIZE;
}
}
pmap_update(pmap_kernel());
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Allocate a submap for physio.
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
/*
* (No need to allocate an mbuf cluster submap. Mbuf clusters
* are allocated via the pool allocator, and we use KSEG to
* map those pages.)
*/
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf(", %s free", pbuf);
format_bytes(pbuf, sizeof(pbuf), bufpages * NBPG);
printf(", %s in %d buffers\n", pbuf, nbuf);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
}
/*
* Machine-dependent startup code
*/
void
cpu_startup()
{
caddr_t v, v2;
unsigned long sz;
int x;
vaddr_t minaddr, maxaddr;
vsize_t size;
char buf[160]; /* about 2 line */
char pbuf[9];
/*
* Initialize error message buffer (et end of core).
*/
msgbuf_vaddr = uvm_km_valloc(kernel_map, x86_64_round_page(MSGBUFSIZE));
if (msgbuf_vaddr == 0)
panic("failed to valloc msgbuf_vaddr");
/* msgbuf_paddr was init'd in pmap */
for (x = 0; x < btoc(MSGBUFSIZE); x++)
pmap_kenter_pa((vaddr_t)msgbuf_vaddr + x * PAGE_SIZE,
msgbuf_paddr + x * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE);
initmsgbuf((caddr_t)msgbuf_vaddr, round_page(MSGBUFSIZE));
printf("%s", version);
printf("cpu0: %s", cpu_model);
if (cpu_tsc_freq != 0)
printf(", %ld.%02ld MHz", (cpu_tsc_freq + 4999) / 1000000,
((cpu_tsc_freq + 4999) / 10000) % 100);
printf("\n");
if ((cpu_feature & CPUID_MASK1) != 0) {
bitmask_snprintf(cpu_feature, CPUID_FLAGS1,
buf, sizeof(buf));
printf("cpu0: features %s\n", buf);
}
if ((cpu_feature & CPUID_MASK2) != 0) {
bitmask_snprintf(cpu_feature, CPUID_FLAGS2,
buf, sizeof(buf));
printf("cpu0: features %s\n", buf);
}
if (cpuid_level >= 3 && ((cpu_feature & CPUID_PN) != 0)) {
printf("cpu0: serial number %04X-%04X-%04X-%04X-%04X-%04X\n",
cpu_serial[0] / 65536, cpu_serial[0] % 65536,
cpu_serial[1] / 65536, cpu_serial[1] % 65536,
cpu_serial[2] / 65536, cpu_serial[2] % 65536);
}
format_bytes(pbuf, sizeof(pbuf), ptoa(physmem));
printf("total memory = %s\n", pbuf);
/*
* Find out how much space we need, allocate it,
* and then give everything true virtual addresses.
*/
sz = (unsigned long)allocsys(NULL, NULL);
if ((v = (caddr_t)uvm_km_zalloc(kernel_map, round_page(sz))) == 0)
panic("startup: no room for tables");
v2 = allocsys(v, NULL);
if ((v2 - v) != sz)
panic("startup: table size inconsistency");
/*
* Allocate virtual address space for the buffers. The area
* is not managed by the VM system.
*/
size = MAXBSIZE * nbuf;
if (uvm_map(kernel_map, (vaddr_t *) &buffers, round_page(size),
NULL, UVM_UNKNOWN_OFFSET, 0,
UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE,
UVM_ADV_NORMAL, 0)) != 0)
panic("cpu_startup: cannot allocate VM for buffers");
minaddr = (vaddr_t)buffers;
if ((bufpages / nbuf) >= btoc(MAXBSIZE)) {
/* don't want to alloc more physical mem than needed */
bufpages = btoc(MAXBSIZE) * nbuf;
}
/*
* XXX We defer allocation of physical pages for buffers until
* XXX after autoconfiguration has run. We must do this because
* XXX on system with large amounts of memory or with large
* XXX user-configured buffer caches, the buffer cache will eat
* XXX up all of the lower 16M of RAM. This prevents ISA DMA
* XXX maps from allocating bounce pages.
*
* XXX Note that nothing can use buffer cache buffers until after
* XXX autoconfiguration completes!!
*
* XXX This is a hack, and needs to be replaced with a better
* XXX solution! [email protected], December 6, 1997
*/
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16*NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* 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);
/*
* XXX Buffer cache pages haven't yet been allocated, so
* XXX we need to account for those pages when printing
* XXX the amount of free memory.
*/
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free - bufpages));
printf("avail memory = %s\n", pbuf);
format_bytes(pbuf, sizeof(pbuf), bufpages * PAGE_SIZE);
printf("using %d buffers containing %s of memory\n", nbuf, pbuf);
/* Safe for i/o port / memory space allocation to use malloc now. */
x86_64_bus_space_mallocok();
}
/*
* Machine-dependent startup code
*/
void
cpu_startup()
{
unsigned i;
caddr_t v;
long sz;
int base, residual;
#ifdef DEBUG
extern int pmapdebug;
int opmapdebug = pmapdebug;
#endif
vaddr_t minaddr, maxaddr;
vsize_t size;
extern struct user *proc0paddr;
#ifdef DEBUG
pmapdebug = 0;
#endif
proc0.p_addr = proc0paddr;
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
/*identifycpu();*/
printf("total memory = %d\n", physmem * PAGE_SIZE);
/*
* Find out how much space we need, allocate it,
* and then give everything true virtual addresses.
*/
sz = (long)allocsys(NULL);
if ((v = (caddr_t)uvm_km_alloc(kernel_map, round_page(sz))) == 0)
panic("startup: no room for %lx bytes of tables", sz);
if (allocsys(v) - v != sz)
panic("startup: table size inconsistency");
/*
* allocate virtual and physical memory for the buffers.
*/
size = MAXBSIZE * nbuf; /* # bytes for buffers */
/* allocate VM for buffers... area is not managed by VM system */
if (uvm_map(kernel_map, (vaddr_t *) &buffers, round_page(size),
NULL, UVM_UNKNOWN_OFFSET,
UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE,
UVM_ADV_NORMAL, 0)) != 0)
panic("cpu_startup: cannot allocate VM for buffers");
minaddr = (vaddr_t) buffers;
if ((bufpages / nbuf) >= btoc(MAXBSIZE)) {
bufpages = btoc(MAXBSIZE) * nbuf; /* do not overallocate RAM */
}
base = bufpages / nbuf;
residual = bufpages % nbuf;
/* now allocate RAM for buffers */
for (i = 0 ; i < nbuf ; i++) {
vaddr_t curbuf;
vsize_t curbufsize;
struct vm_page *pg;
/*
* each buffer has MAXBSIZE bytes of VM space allocated. of
* that MAXBSIZE space we allocate and map (base+1) pages
* for the first "residual" buffers, and then we allocate
* "base" pages for the rest.
*/
curbuf = (vaddr_t) buffers + (i * MAXBSIZE);
curbufsize = NBPG * ((i < residual) ? (base+1) : base);
while (curbufsize) {
pg = uvm_pagealloc(NULL, 0, NULL, 0);
if (pg == NULL)
panic("cpu_startup: "
"not enough RAM for buffer cache");
pmap_enter(kernel_map->pmap, curbuf,
VM_PAGE_TO_PHYS(pg), VM_PROT_READ|VM_PROT_WRITE,
VM_PROT_READ|VM_PROT_WRITE|PMAP_WIRED);
curbuf += PAGE_SIZE;
curbufsize -= PAGE_SIZE;
}
}
pmap_update();
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16*NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Finally, allocate mbuf cluster submap.
*/
mb_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_MBUF_SIZE, VM_MAP_INTRSAFE, FALSE, NULL);
#ifdef DEBUG
pmapdebug = opmapdebug;
#endif
printf("avail memory = %ld\n", (long)uvmexp.free * PAGE_SIZE);
printf("using %d buffers containing %ld of memory\n", nbuf,
(long)bufpages * PAGE_SIZE);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
#if 0
pmap_redzone();
#endif
}
/*
* cpu_startup: allocate memory for variable-sized tables,
* initialize CPU, and do autoconfiguration.
*/
void
cpu_startup(void)
{
u_quad_t vmememsize;
vaddr_t minaddr, maxaddr;
char pbuf[9];
u_int i;
#ifdef DEBUG
extern int pmapdebug;
int opmapdebug = pmapdebug;
pmapdebug = 0;
#endif
/*
* If we have an FPU, initialise the cached idle frame
*/
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", pbuf);
for (vmememsize = 0, i = 1; i < mem_cluster_cnt; i++)
vmememsize += mem_clusters[i].size;
if (vmememsize != 0) {
format_bytes(pbuf, sizeof(pbuf), mem_clusters[0].size);
printf(" (%s on-board", pbuf);
format_bytes(pbuf, sizeof(pbuf), vmememsize);
printf(", %s VMEbus)", pbuf);
}
printf("\n");
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();
}
void
cpu_startup()
{
vaddr_t minaddr, maxaddr;
/* Determine the machine type from FUSE ROM data. */
get_fuse_rom_data();
if (strncmp(fuse_rom_data, "MNAME=LUNA88K+", 14) == 0) {
machtype = LUNA_88K2;
}
/* Determine the 'auto-boot' device from NVRAM data */
get_nvram_data();
get_autoboot_device();
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
identifycpu();
printf("real mem = %u (%uMB)\n", ptoa(physmem),
ptoa(physmem) / 1024 / 1024);
/*
* Check front DIP switch setting
*/
#ifdef DEBUG
printf("dipsw = 0x%x\n", dipswitch);
#endif
/* Check DIP switch 1 - 1 */
if ((0x8000 & dipswitch) == 0) {
boothowto |= RB_SINGLE;
}
/* Check DIP switch 1 - 3 */
if ((0x2000 & dipswitch) == 0) {
boothowto |= RB_ASKNAME;
}
/* Check DIP switch 1 - 4 */
if ((0x1000 & dipswitch) == 0) {
boothowto |= RB_CONFIG;
}
/*
* Check frame buffer depth.
*/
switch (hwplanebits) {
case 0: /* No frame buffer */
case 1:
case 4:
case 8:
break;
default:
printf("unexpected frame buffer depth = %d\n", hwplanebits);
hwplanebits = 0;
break;
}
#if 0 /* just for test */
/*
* Get boot arguments
*/
{
char buf[256];
char **p = (volatile char **)0x00001120;
strncpy(buf, *p, 256);
if (buf[255] != '\0')
buf[255] = '\0';
printf("boot arg: (0x%x) %s\n", *p, buf);
}
#endif
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Allocate map for physio.
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
printf("avail mem = %lu (%luMB)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free) / 1024 / 1024);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
/*
* Initialize the autovectored interrupt list.
*/
isrinit();
/*
* Configure the system.
*/
if (boothowto & RB_CONFIG) {
#ifdef BOOT_CONFIG
user_config();
#else
printf("kernel does not support -c; continuing..\n");
#endif
}
}
void
cpu_startup()
{
caddr_t v;
int sz, i;
vsize_t size;
int base, residual;
vaddr_t minaddr, maxaddr, uarea_pages;
/*
* Initialize error message buffer (at end of core).
* avail_end was pre-decremented in luna88k_bootstrap() to compensate.
*/
for (i = 0; i < btoc(MSGBUFSIZE); i++)
pmap_kenter_pa((paddr_t)msgbufp + i * NBPG,
avail_end + i * NBPG, VM_PROT_READ | VM_PROT_WRITE);
pmap_update(pmap_kernel());
initmsgbuf((caddr_t)msgbufp, round_page(MSGBUFSIZE));
/* Determine the machine type from FUSE ROM data */
get_fuse_rom_data();
if (strncmp(fuse_rom_data, "MNAME=LUNA88K+", 14) == 0) {
machtype = LUNA_88K2;
}
/* Determine the 'auto-boot' device from NVRAM data */
get_nvram_data();
get_autoboot_device();
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
identifycpu();
printf("real mem = %d\n", ctob(physmem));
/*
* Check front DIP switch setting
*/
printf("dipsw = 0x%x\n", dipswitch);
/* Check DIP switch 1 - 1 */
if ((0x8000 & dipswitch) == 0) {
boothowto |= RB_SINGLE;
}
/* Check DIP switch 1 - 3 */
if ((0x2000 & dipswitch) == 0) {
boothowto |= RB_ASKNAME;
}
/* Check DIP switch 1 - 4 */
if ((0x1000 & dipswitch) == 0) {
boothowto |= RB_CONFIG;
}
/*
* Check frame buffer depth.
*/
switch (hwplanebits) {
case 0: /* No frame buffer */
case 1:
case 4:
case 8:
break;
default:
printf("unexpected frame buffer depth = %d\n", hwplanebits);
hwplanebits = 0;
break;
}
#if 0 /* just for test */
/*
* Get boot arguments
*/
{
char buf[256];
char **p = (volatile char **)0x00001120;
strncpy(buf, *p, 256);
if (buf[255] != '\0')
buf[255] = '\0';
printf("boot arg: (0x%x) %s\n", *p, buf);
}
#endif
/*
* Find out how much space we need, allocate it,
* and then give everything true virtual addresses.
*/
sz = (int)allocsys((caddr_t)0);
if ((v = (caddr_t)uvm_km_zalloc(kernel_map, round_page(sz))) == 0)
panic("startup: no room for tables");
if (allocsys(v) - v != sz)
panic("startup: table size inconsistency");
/*
* Grab UADDR virtual address
*/
uarea_pages = UADDR;
uvm_map(kernel_map, (vaddr_t *)&uarea_pages, USPACE,
NULL, UVM_UNKNOWN_OFFSET, 0,
UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE,
UVM_ADV_NORMAL, 0));
if (uarea_pages != UADDR)
panic("uarea_pages %lx: UADDR not free", uarea_pages);
/*
* Grab the OBIO space that we hardwired in pmap_bootstrap
*/
obiova = OBIO_START;
uvm_map(kernel_map, (vaddr_t *)&obiova, OBIO_SIZE,
NULL, UVM_UNKNOWN_OFFSET, 0,
UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE,
UVM_ADV_NORMAL, 0));
if (obiova != OBIO_START)
panic("obiova %lx: OBIO not free", obiova);
/*
* Now allocate buffers proper. They are different than the above
* in that they usually occupy more virtual memory than physical.
*/
size = MAXBSIZE * nbuf;
if (uvm_map(kernel_map, (vaddr_t *) &buffers, round_page(size),
NULL, UVM_UNKNOWN_OFFSET, 0, UVM_MAPFLAG(UVM_PROT_NONE,
UVM_PROT_NONE, UVM_INH_NONE, UVM_ADV_NORMAL, 0)))
panic("cpu_startup: cannot allocate VM for buffers");
minaddr = (vaddr_t)buffers;
if ((bufpages / nbuf) >= btoc(MAXBSIZE)) {
/* don't want to alloc more physical mem than needed */
bufpages = btoc(MAXBSIZE) * nbuf;
}
base = bufpages / nbuf;
residual = bufpages % nbuf;
for (i = 0; i < nbuf; i++) {
vsize_t curbufsize;
vaddr_t curbuf;
struct vm_page *pg;
/*
* Each buffer has MAXBSIZE bytes of VM space allocated. Of
* that MAXBSIZE space, we allocate and map (base+1) pages
* for the first "residual" buffers, and then we allocate
* "base" pages for the rest.
*/
curbuf = (vaddr_t)buffers + (i * MAXBSIZE);
curbufsize = PAGE_SIZE * ((i < residual) ? (base+1) : base);
while (curbufsize) {
pg = uvm_pagealloc(NULL, 0, NULL, 0);
if (pg == NULL)
panic("cpu_startup: not enough memory for "
"buffer cache");
pmap_kenter_pa(curbuf, VM_PAGE_TO_PHYS(pg),
VM_PROT_READ | VM_PROT_WRITE);
curbuf += PAGE_SIZE;
curbufsize -= PAGE_SIZE;
}
}
pmap_update(pmap_kernel());
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Allocate map for physio.
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
printf("avail mem = %ld (%d pages)\n", ptoa(uvmexp.free), uvmexp.free);
printf("using %d buffers containing %d bytes of memory\n", nbuf,
bufpages * PAGE_SIZE);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
/*
* Initialize the autovectored interrupt list.
*/
isrinit();
/*
* Configure the system.
*/
if (boothowto & RB_CONFIG) {
#ifdef BOOT_CONFIG
user_config();
#else
printf("kernel does not support -c; continuing..\n");
#endif
}
/*
* Say hello to the world on LCD.
*/
greeting();
}
/*
* void cpu_startup(void)
*
* Machine dependant startup code.
*
*/
void
cpu_startup()
{
u_int loop;
paddr_t minaddr;
paddr_t maxaddr;
proc0paddr = (struct user *)kernelstack.pv_va;
proc0.p_addr = proc0paddr;
/* Set the cpu control register */
cpu_setup();
/* Lock down zero page */
vector_page_setprot(VM_PROT_READ|VM_PROT_EXECUTE);
/*
* Give pmap a chance to set up a few more things now the vm
* is initialised
*/
pmap_postinit();
/*
* Allow per-board specific initialization
*/
board_startup();
/*
* Initialize error message buffer (at end of core).
*/
/* msgbufphys was setup during the secondary boot strap */
for (loop = 0; loop < atop(MSGBUFSIZE); ++loop)
pmap_kenter_pa((vaddr_t)msgbufaddr + loop * PAGE_SIZE,
msgbufphys + loop * PAGE_SIZE, VM_PROT_READ|VM_PROT_WRITE);
pmap_update(pmap_kernel());
initmsgbuf(msgbufaddr, round_page(MSGBUFSIZE));
/*
* Identify ourselves for the msgbuf (everything printed earlier will
* not be buffered).
*/
printf(version);
printf("real mem = %u (%uMB)\n", ptoa(physmem),
ptoa(physmem)/1024/1024);
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16*NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Allocate a submap for physio
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
printf("avail mem = %lu (%uMB)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free)/1024/1024);
curpcb = &proc0.p_addr->u_pcb;
curpcb->pcb_flags = 0;
curpcb->pcb_un.un_32.pcb32_und_sp = (u_int)proc0.p_addr +
USPACE_UNDEF_STACK_TOP;
curpcb->pcb_un.un_32.pcb32_sp = (u_int)proc0.p_addr +
USPACE_SVC_STACK_TOP;
pmap_set_pcb_pagedir(pmap_kernel(), curpcb);
curpcb->pcb_tf = (struct trapframe *)curpcb->pcb_un.un_32.pcb32_sp - 1;
}
int
ccdioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
{
int unit = ccdunit(dev);
int i, j, lookedup = 0, error = 0;
int part, pmask, s;
struct ccd_softc *cs;
struct ccd_ioctl *ccio = (struct ccd_ioctl *)data;
struct ccddevice ccd;
char **cpp;
struct vnode **vpp;
vaddr_t min, max;
if (unit >= numccd)
return (ENXIO);
cs = &ccd_softc[unit];
if (cmd != CCDIOCSET && !(cs->sc_flags & CCDF_INITED))
return (ENXIO);
/* access control */
switch (cmd) {
case CCDIOCSET:
case CCDIOCCLR:
case DIOCWDINFO:
case DIOCSDINFO:
case DIOCWLABEL:
if ((flag & FWRITE) == 0)
return (EBADF);
}
bzero(&ccd, sizeof(ccd));
switch (cmd) {
case CCDIOCSET:
if (cs->sc_flags & CCDF_INITED)
return (EBUSY);
if (ccio->ccio_ndisks == 0 || ccio->ccio_ndisks > INT_MAX ||
ccio->ccio_ileave < 0)
return (EINVAL);
if ((error = ccdlock(cs)) != 0)
return (error);
/* Fill in some important bits. */
ccd.ccd_unit = unit;
ccd.ccd_interleave = ccio->ccio_ileave;
ccd.ccd_flags = ccio->ccio_flags & CCDF_USERMASK;
/* XXX the new code is unstable still */
ccd.ccd_flags |= CCDF_OLD;
/*
* Interleaving which is not a multiple of the click size
* must use the old I/O code (by design)
*/
if (ccio->ccio_ileave % (PAGE_SIZE / DEV_BSIZE) != 0)
ccd.ccd_flags |= CCDF_OLD;
/*
* Allocate space for and copy in the array of
* componet pathnames and device numbers.
*/
cpp = malloc(ccio->ccio_ndisks * sizeof(char *),
M_DEVBUF, M_WAITOK);
vpp = malloc(ccio->ccio_ndisks * sizeof(struct vnode *),
M_DEVBUF, M_WAITOK);
error = copyin((caddr_t)ccio->ccio_disks, (caddr_t)cpp,
ccio->ccio_ndisks * sizeof(char **));
if (error) {
free(vpp, M_DEVBUF);
free(cpp, M_DEVBUF);
ccdunlock(cs);
return (error);
}
for (i = 0; i < ccio->ccio_ndisks; ++i) {
CCD_DPRINTF(CCDB_INIT,
("ccdioctl: component %d: %p, lookedup = %d\n",
i, cpp[i], lookedup));
if ((error = ccdlookup(cpp[i], p, &vpp[i])) != 0) {
for (j = 0; j < lookedup; ++j)
(void)vn_close(vpp[j], FREAD|FWRITE,
p->p_ucred, p);
free(vpp, M_DEVBUF);
free(cpp, M_DEVBUF);
ccdunlock(cs);
return (error);
}
++lookedup;
}
ccd.ccd_cpp = cpp;
ccd.ccd_vpp = vpp;
ccd.ccd_ndev = ccio->ccio_ndisks;
/*
* Initialize the ccd. Fills in the softc for us.
*/
if ((error = ccdinit(&ccd, cpp, p)) != 0) {
for (j = 0; j < lookedup; ++j)
(void)vn_close(vpp[j], FREAD|FWRITE,
p->p_ucred, p);
bzero(&ccd_softc[unit], sizeof(struct ccd_softc));
free(vpp, M_DEVBUF);
free(cpp, M_DEVBUF);
ccdunlock(cs);
return (error);
}
/*
* The ccd has been successfully initialized, so
* we can place it into the array. Don't try to
* read the disklabel until the disk has been attached,
* because space for the disklabel is allocated
* in disk_attach();
*/
bcopy(&ccd, &ccddevs[unit], sizeof(ccd));
ccio->ccio_unit = unit;
ccio->ccio_size = cs->sc_size;
/*
* If we use the optimized protocol we need some kvm space
* for the component buffers. Allocate it here.
*
* XXX I'd like to have a more dynamic way of acquiring kvm
* XXX space, but that is problematic as we are not allowed
* XXX to lock the kernel_map in interrupt context. It is
* XXX doable via a freelist implementation though.
*/
if (!ccdmap && !(ccd.ccd_flags & CCDF_OLD)) {
min = vm_map_min(kernel_map);
ccdmap = uvm_km_suballoc(kernel_map, &min, &max,
CCD_CLUSTERS * MAXBSIZE, VM_MAP_INTRSAFE,
FALSE, NULL);
}
/* Attach the disk. */
cs->sc_dkdev.dk_name = cs->sc_xname;
disk_attach(&cs->sc_dkdev);
/* Try and read the disklabel. */
ccdgetdisklabel(dev, cs, cs->sc_dkdev.dk_label,
cs->sc_dkdev.dk_cpulabel, 0);
ccdunlock(cs);
break;
case CCDIOCCLR:
if ((error = ccdlock(cs)) != 0)
return (error);
/*
* Don't unconfigure if any other partitions are open
* or if both the character and block flavors of this
* partition are open.
*/
part = DISKPART(dev);
pmask = (1 << part);
if ((cs->sc_dkdev.dk_openmask & ~pmask) ||
((cs->sc_dkdev.dk_bopenmask & pmask) &&
(cs->sc_dkdev.dk_copenmask & pmask))) {
ccdunlock(cs);
return (EBUSY);
}
/*
* Free ccd_softc information and clear entry.
*/
/* Close the components and free their pathnames. */
for (i = 0; i < cs->sc_nccdisks; ++i) {
/*
* XXX: this close could potentially fail and
* cause Bad Things. Maybe we need to force
* the close to happen?
*/
#ifdef DIAGNOSTIC
CCD_DCALL(CCDB_VNODE, vprint("CCDIOCCLR: vnode info",
cs->sc_cinfo[i].ci_vp));
#endif
(void)vn_close(cs->sc_cinfo[i].ci_vp, FREAD|FWRITE,
p->p_ucred, p);
free(cs->sc_cinfo[i].ci_path, M_DEVBUF);
}
/* Free interleave index. */
for (i = 0; cs->sc_itable[i].ii_ndisk; ++i)
free(cs->sc_itable[i].ii_index, M_DEVBUF);
/* Free component info and interleave table. */
free(cs->sc_cinfo, M_DEVBUF);
free(cs->sc_itable, M_DEVBUF);
cs->sc_flags &= ~CCDF_INITED;
/*
* Free ccddevice information and clear entry.
*/
free(ccddevs[unit].ccd_cpp, M_DEVBUF);
free(ccddevs[unit].ccd_vpp, M_DEVBUF);
bcopy(&ccd, &ccddevs[unit], sizeof(ccd));
/* Detatch the disk. */
disk_detach(&cs->sc_dkdev);
/* This must be atomic. */
s = splhigh();
ccdunlock(cs);
bzero(cs, sizeof(struct ccd_softc));
splx(s);
break;
case DIOCGPDINFO: {
struct cpu_disklabel osdep;
if ((error = ccdlock(cs)) != 0)
return (error);
ccdgetdisklabel(dev, cs, (struct disklabel *)data,
&osdep, 1);
ccdunlock(cs);
break;
}
case DIOCGDINFO:
*(struct disklabel *)data = *(cs->sc_dkdev.dk_label);
break;
case DIOCGPART:
((struct partinfo *)data)->disklab = cs->sc_dkdev.dk_label;
((struct partinfo *)data)->part =
&cs->sc_dkdev.dk_label->d_partitions[DISKPART(dev)];
break;
case DIOCWDINFO:
case DIOCSDINFO:
if ((error = ccdlock(cs)) != 0)
return (error);
cs->sc_flags |= CCDF_LABELLING;
error = setdisklabel(cs->sc_dkdev.dk_label,
(struct disklabel *)data, 0, cs->sc_dkdev.dk_cpulabel);
if (error == 0) {
if (cmd == DIOCWDINFO)
error = writedisklabel(CCDLABELDEV(dev),
ccdstrategy, cs->sc_dkdev.dk_label,
cs->sc_dkdev.dk_cpulabel);
}
cs->sc_flags &= ~CCDF_LABELLING;
ccdunlock(cs);
if (error)
return (error);
break;
case DIOCWLABEL:
if (*(int *)data != 0)
cs->sc_flags |= CCDF_WLABEL;
else
cs->sc_flags &= ~CCDF_WLABEL;
break;
default:
return (ENOTTY);
}
return (0);
}
void
cpu_startup()
{
caddr_t v;
int sz;
vaddr_t minaddr, maxaddr;
extern unsigned int avail_end;
extern char cpu_model[];
/*
* Initialize error message buffer.
*/
initmsgbuf((caddr_t)msgbufp, round_page(MSGBUFSIZE));
/*
* Good {morning,afternoon,evening,night}.
* Also call CPU init on systems that need that.
*/
printf("%s%s [%08X %08X]\n", version, cpu_model, vax_cpudata, vax_siedata);
if (dep_call->cpu_conf)
(*dep_call->cpu_conf)();
printf("real mem = %u (%uMB)\n", avail_end,
avail_end/1024/1024);
physmem = btoc(avail_end);
mtpr(AST_NO, PR_ASTLVL);
spl0();
/*
* Find out how much space we need, allocate it, and then give
* everything true virtual addresses.
*/
sz = (int) allocsys((caddr_t)0);
if ((v = (caddr_t)uvm_km_zalloc(kernel_map, round_page(sz))) == 0)
panic("startup: no room for tables");
if (((unsigned long)allocsys(v) - (unsigned long)v) != sz)
panic("startup: table size inconsistency");
/*
* Determine how many buffers to allocate.
* We allocate bufcachepercent% of memory for buffer space.
*/
if (bufpages == 0)
bufpages = physmem * bufcachepercent / 100;
/* Restrict to at most 25% filled kvm */
if (bufpages >
(VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) / PAGE_SIZE / 4)
bufpages = (VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) /
PAGE_SIZE / 4;
/*
* Allocate a submap for exec arguments. This map effectively limits
* the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
#if VAX46 || VAX48 || VAX49 || VAX53
/*
* Allocate a submap for physio. This map effectively limits the
* number of processes doing physio at any one time.
*
* Note that machines on which all mass storage I/O controllers
* can perform address translation, do not need this.
*/
if (vax_boardtype == VAX_BTYP_46 || vax_boardtype == VAX_BTYP_48 ||
vax_boardtype == VAX_BTYP_49 || vax_boardtype == VAX_BTYP_1303)
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
#endif
printf("avail mem = %lu (%luMB)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free)/1024/1024);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
#ifdef DDB
if (boothowto & RB_KDB)
Debugger();
#endif
/*
* Configure the system.
*/
if (boothowto & RB_CONFIG) {
#ifdef BOOT_CONFIG
user_config();
#else
printf("kernel does not support -c; continuing..\n");
#endif
}
}
/*
* cpu_startup: allocate memory for variable-sized tables, initialize CPU, and
* do auto-configuration.
*/
void
cpu_startup()
{
vaddr_t minaddr, maxaddr;
#ifdef PMAPDEBUG
extern int pmapdebug;
int opmapdebug = pmapdebug;
pmapdebug = 0; /* Shut up pmap debug during bootstrap. */
#endif
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
printf("real mem = %u (%uMB)\n", ptoa(physmem),
ptoa(physmem)/1024/1024);
printf("rsvd mem = %u (%uMB)\n", ptoa(rsvdmem),
ptoa(rsvdmem)/1024/1024);
/*
* Determine how many buffers to allocate.
* We allocate bufcachepercent% of memory for buffer space.
*/
if (bufpages == 0)
bufpages = physmem * bufcachepercent / 100;
/* Restrict to at most 25% filled kvm. */
if (bufpages >
(VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) / PAGE_SIZE / 4)
bufpages = (VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) /
PAGE_SIZE / 4;
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16 * NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/* Allocate a submap for physio. */
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
#ifdef PMAPDEBUG
pmapdebug = opmapdebug;
#endif
printf("avail mem = %u (%uMB)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free)/1024/1024);
extent_malloc_flags = EX_MALLOCOK;
/*
* Set up CPU-specific registers, cache, etc.
*/
initcpu();
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
/*
* Configure the system.
*/
if (boothowto & RB_CONFIG) {
#ifdef BOOT_CONFIG
user_config();
#else
printf("kernel does not support -c; continuing..\n");
#endif
}
}
/*
* Machine-dependent startup code
*/
void
cpu_startup()
{
caddr_t v;
int sz;
#ifdef DEBUG
extern int pmapdebug;
int opmapdebug = pmapdebug;
#endif
vaddr_t minaddr, maxaddr;
extern struct user *proc0paddr;
#ifdef DEBUG
pmapdebug = 0;
#endif
if (CPU_ISSUN4M) {
extern int stackgap_random;
stackgap_random = STACKGAP_RANDOM_SUN4M;
}
/*
* fix message buffer mapping, note phys addr of msgbuf is 0
*/
pmap_map(MSGBUF_VA, 0, MSGBUFSIZE, VM_PROT_READ|VM_PROT_WRITE);
initmsgbuf((caddr_t)(MSGBUF_VA + (CPU_ISSUN4 ? 4096 : 0)), MSGBUFSIZE);
proc0.p_addr = proc0paddr;
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
/*identifycpu();*/
printf("real mem = %u (%uMB)\n", ptoa(physmem),
ptoa(physmem)/1024/1024);
/*
* Find out how much space we need, allocate it,
* and then give everything true virtual addresses.
*/
sz = (int)allocsys((caddr_t)0);
if ((v = (caddr_t)uvm_km_alloc(kernel_map, round_page(sz))) == 0)
panic("startup: no room for tables");
if (allocsys(v) - v != sz)
panic("startup: table size inconsistency");
/*
* Determine how many buffers to allocate.
* We allocate bufcachepercent% of memory for buffer space.
*/
if (bufpages == 0)
bufpages = physmem * bufcachepercent / 100;
/* Restrict to at most 25% filled kvm */
if (bufpages >
(VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) / PAGE_SIZE / 4)
bufpages = (VM_MAX_KERNEL_ADDRESS-VM_MIN_KERNEL_ADDRESS) /
PAGE_SIZE / 4;
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16*NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Allocate a map for physio. Others use a submap of the kernel
* map, but we want one completely separate, even though it uses
* the same pmap.
*/
dvma_base = CPU_ISSUN4M ? DVMA4M_BASE : DVMA_BASE;
dvma_end = CPU_ISSUN4M ? DVMA4M_END : DVMA_END;
#if defined(SUN4M)
if (CPU_ISSUN4M) {
/*
* The DVMA space we want partially overrides kernel_map.
* Allocate it in kernel_map as well to prevent it from being
* used for other things.
*/
if (uvm_map(kernel_map, &dvma_base,
vm_map_max(kernel_map) - dvma_base,
NULL, UVM_UNKNOWN_OFFSET, 0,
UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE,
UVM_ADV_NORMAL, 0)))
panic("startup: can not steal dvma map");
}
#endif
phys_map = uvm_map_create(pmap_kernel(), dvma_base, dvma_end,
VM_MAP_INTRSAFE);
if (phys_map == NULL)
panic("unable to create DVMA map");
/*
* Allocate DVMA space and dump into a privately managed
* resource map for double mappings which is usable from
* interrupt contexts.
*/
if (uvm_km_valloc_wait(phys_map, (dvma_end-dvma_base)) != dvma_base)
panic("unable to allocate from DVMA map");
dvmamap_extent = extent_create("dvmamap", dvma_base, dvma_end,
M_DEVBUF, NULL, 0, EX_NOWAIT);
if (dvmamap_extent == 0)
panic("unable to allocate extent for dvma");
#ifdef DEBUG
pmapdebug = opmapdebug;
#endif
printf("avail mem = %lu (%luMB)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free)/1024/1024);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
/* Early interrupt handlers initialization */
intr_init();
}
/*
* Machine-dependent startup code
*/
void
cpu_startup()
{
#ifdef DEBUG
extern int pmapdebug;
int opmapdebug = pmapdebug;
#endif
vaddr_t minaddr, maxaddr;
paddr_t msgbufpa;
extern struct user *proc0paddr;
#ifdef DEBUG
pmapdebug = 0;
#endif
if (CPU_ISSUN4M)
stackgap_random = STACKGAP_RANDOM_SUN4M;
/*
* Re-map the message buffer from its temporary address
* at KERNBASE to MSGBUF_VA.
*/
/* Get physical address of the message buffer */
pmap_extract(pmap_kernel(), (vaddr_t)KERNBASE, &msgbufpa);
/* Invalidate the current mapping at KERNBASE. */
pmap_kremove((vaddr_t)KERNBASE, PAGE_SIZE);
pmap_update(pmap_kernel());
/* Enter the new mapping */
pmap_map(MSGBUF_VA, msgbufpa, msgbufpa + PAGE_SIZE,
PROT_READ | PROT_WRITE);
/* Re-initialize the message buffer. */
initmsgbuf((caddr_t)(MSGBUF_VA + (CPU_ISSUN4 ? 4096 : 0)), MSGBUFSIZE);
proc0.p_addr = proc0paddr;
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
/*identifycpu();*/
printf("real mem = %lu (%luMB)\n", ptoa(physmem),
ptoa(physmem)/1024/1024);
/*
* uvm_km_init() has allocated all the virtual memory below the
* end of the kernel image. If VM_MIN_KERNEL_ADDRESS is below
* KERNBASE, we need to reclaim that range.
*/
if (vm_min_kernel_address < (vaddr_t)KERNBASE) {
uvm_unmap(kernel_map, vm_min_kernel_address, (vaddr_t)KERNBASE);
}
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16*NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Set up userland PIE limits. PIE is disabled on sun4/4c/4e due
* to the limited address space.
*/
if (CPU_ISSUN4M) {
vm_pie_max_addr = VM_MAXUSER_ADDRESS / 4;
}
dvma_init();
#ifdef DEBUG
pmapdebug = opmapdebug;
#endif
printf("avail mem = %lu (%luMB)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free)/1024/1024);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
}
void
cpu_startup(void)
{
/* For use by propdb. */
static u_int memsize = PHYSMEM * 1024 * 1024;
static u_int cpuspeed = CPUFREQ * 1000 * 1000;
prop_number_t pn;
vaddr_t minaddr, maxaddr;
char pbuf[9];
curcpu()->ci_khz = cpuspeed / 1000;
/* Initialize error message buffer. */
initmsgbuf((void *)msgbuf, round_page(MSGBUFSIZE));
printf("%s%s", copyright, version);
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);
/*
* No need to allocate an mbuf cluster submap. Mbuf clusters
* are allocated via the pool allocator, and we use direct-mapped
* pool pages.
*/
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
/*
* Set up the board properties database.
*/
board_info_init();
pn = prop_number_create_integer(memsize);
KASSERT(pn != NULL);
if (prop_dictionary_set(board_properties, "mem-size", pn) == false)
panic("setting mem-size");
prop_object_release(pn);
pn = prop_number_create_integer(cpuspeed);
KASSERT(pn != NULL);
if (prop_dictionary_set(board_properties, "processor-frequency",
pn) == false)
panic("setting processor-frequency");
prop_object_release(pn);
/*
* Now that we have VM, malloc()s are OK in bus_space.
*/
bus_space_mallocok();
fake_mapiodev = 0;
}
/*
* Machine-dependent startup code
*/
void
cpu_startup(void)
{
vaddr_t v;
vsize_t sz;
vaddr_t minaddr, maxaddr;
msgbuf_vaddr = PMAP_DIRECT_MAP(msgbuf_paddr);
initmsgbuf((caddr_t)msgbuf_vaddr, round_page(MSGBUFSIZE));
printf("%s", version);
printf("real mem = %u (%uK)\n", ctob(physmem), ctob(physmem)/1024);
if (physmem >= btoc(1ULL << 32)) {
extern int amdgart_enable;
amdgart_enable = 1;
}
/*
* Find out how much space we need, allocate it,
* and then give everything true virtual addresses.
*/
sz = allocsys(0);
if ((v = uvm_km_zalloc(kernel_map, round_page(sz))) == 0)
panic("startup: no room for tables");
if (allocsys(v) - v != sz)
panic("startup: table size inconsistency");
/*
* Now allocate buffers proper. They are different than the above
* in that they usually occupy more virtual memory than physical.
*/
setup_buffers(&maxaddr);
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
minaddr = vm_map_min(kernel_map);
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16*NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Allocate a submap for physio
*/
minaddr = vm_map_min(kernel_map);
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
printf("avail mem = %lu (%luK)\n", ptoa(uvmexp.free),
ptoa(uvmexp.free)/1024);
printf("using %u buffers containing %u bytes (%uK) of memory\n",
nbuf, bufpages * PAGE_SIZE, bufpages * PAGE_SIZE / 1024);
bufinit();
if (boothowto & RB_CONFIG) {
#ifdef BOOT_CONFIG
user_config();
#else
printf("kernel does not support - c; continuing..\n");
#endif
}
/* Safe for i/o port / memory space allocation to use malloc now. */
x86_bus_space_mallocok();
}
/*
* cpu_startup: allocate memory for variable-sized tables,
* initialize cpu, and do autoconfiguration.
*
* This is called early in init_main.c:main(), after the
* kernel memory allocator is ready for use, but before
* the creation of processes 1,2, and mountroot, etc.
*/
void
cpu_startup()
{
caddr_t v;
int sz, i;
vsize_t size;
int base, residual;
vaddr_t minaddr, maxaddr;
char pbuf[9];
/*
* Initialize message buffer (for kernel printf).
* This is put in physical pages four through seven
* so it will always be in the same place after a
* reboot. (physical pages 0-3 are reserved by the PROM
* for its vector table and other stuff.)
* Its mapping was prepared in pmap_bootstrap().
* Also, offset some to avoid PROM scribbles.
*/
v = (caddr_t) (NBPG * 4);
msgbufaddr = (caddr_t)(v + MSGBUFOFF);
initmsgbuf(msgbufaddr, MSGBUFSIZE);
#ifdef DDB
{
extern int end[];
extern char *esym;
ddb_init(end[0], end + 1, (int*)esym);
}
#endif /* DDB */
/*
* Good {morning,afternoon,evening,night}.
*/
printf(version);
identifycpu();
fputype = FPU_NONE;
#ifdef FPU_EMULATE
printf("fpu: emulator\n");
#else
printf("fpu: no math support\n");
#endif
format_bytes(pbuf, sizeof(pbuf), ctob(physmem));
printf("total memory = %s\n", pbuf);
/*
* XXX fredette - we force a small number of buffers
* to help me debug this on my low-memory machine.
* this should go away at some point, allowing the
* normal automatic buffer-sizing to happen.
*/
bufpages = 37;
/*
* Get scratch page for dumpsys().
*/
if ((dumppage = uvm_km_alloc(kernel_map, NBPG)) == 0)
panic("startup: alloc dumppage");
/*
* Find out how much space we need, allocate it,
* and then give everything true virtual addresses.
*/
sz = (int)allocsys(NULL, NULL);
if ((v = (caddr_t)uvm_km_alloc(kernel_map, round_page(sz))) == 0)
panic("startup: no room for tables");
if (allocsys(v, NULL) - v != sz)
panic("startup: table size inconsistency");
/*
* Now allocate buffers proper. They are different than the above
* in that they usually occupy more virtual memory than physical.
*/
size = MAXBSIZE * nbuf;
if (uvm_map(kernel_map, (vaddr_t *) &buffers, round_page(size),
NULL, UVM_UNKNOWN_OFFSET, 0,
UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE,
UVM_ADV_NORMAL, 0)) != 0)
panic("startup: cannot allocate VM for buffers");
minaddr = (vaddr_t)buffers;
if ((bufpages / nbuf) >= btoc(MAXBSIZE)) {
/* don't want to alloc more physical mem than needed */
bufpages = btoc(MAXBSIZE) * nbuf;
}
base = bufpages / nbuf;
residual = bufpages % nbuf;
for (i = 0; i < nbuf; i++) {
vsize_t curbufsize;
vaddr_t curbuf;
struct vm_page *pg;
/*
* Each buffer has MAXBSIZE bytes of VM space allocated. Of
* that MAXBSIZE space, we allocate and map (base+1) pages
* for the first "residual" buffers, and then we allocate
* "base" pages for the rest.
*/
curbuf = (vaddr_t) buffers + (i * MAXBSIZE);
curbufsize = NBPG * ((i < residual) ? (base+1) : base);
while (curbufsize) {
pg = uvm_pagealloc(NULL, 0, NULL, 0);
if (pg == NULL)
panic("cpu_startup: not enough memory for "
"buffer cache");
pmap_kenter_pa(curbuf, VM_PAGE_TO_PHYS(pg),
VM_PROT_READ|VM_PROT_WRITE);
curbuf += PAGE_SIZE;
curbufsize -= PAGE_SIZE;
}
}
pmap_update(pmap_kernel());
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* We don't use a submap for physio, and use a separate map
* for DVMA allocations. Our vmapbuf just maps pages into
* the kernel map (any kernel mapping is OK) and then the
* device drivers clone the kernel mappings into DVMA space.
*/
/*
* Finally, allocate mbuf cluster submap.
*/
mb_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
nmbclusters * mclbytes, VM_MAP_INTRSAFE,
FALSE, NULL);
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
format_bytes(pbuf, sizeof(pbuf), bufpages * NBPG);
printf("using %d buffers containing %s of memory\n", nbuf, pbuf);
/*
* Allocate a virtual page (for use by /dev/mem)
* This page is handed to pmap_enter() therefore
* it has to be in the normal kernel VA range.
*/
vmmap = uvm_km_valloc_wait(kernel_map, NBPG);
/*
* Allocate dma map for devices on the bus.
*/
dvmamap = extent_create("dvmamap",
DVMA_MAP_BASE, DVMA_MAP_BASE + DVMA_MAP_AVAIL,
M_DEVBUF, 0, 0, EX_NOWAIT);
if (dvmamap == NULL)
panic("unable to allocate DVMA map");
/*
* Set up CPU-specific registers, cache, etc.
*/
initcpu();
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
}
