diff options
| -rw-r--r-- | sys/arch/powerpc/include/autoconf.h | 4 | ||||
| -rw-r--r-- | sys/arch/powerpc/include/bus.h | 30 | ||||
| -rw-r--r-- | sys/arch/powerpc/include/param.h | 4 | ||||
| -rw-r--r-- | sys/arch/powerpc/include/pmap.h | 4 | ||||
| -rw-r--r-- | sys/arch/powerpc/powerpc/db_interface.c | 5 | ||||
| -rw-r--r-- | sys/arch/powerpc/powerpc/machdep.c | 128 | ||||
| -rw-r--r-- | sys/arch/powerpc/powerpc/pmap.c | 3 | ||||
| -rw-r--r-- | sys/arch/powerpc/powerpc/vm_machdep.c | 13 |
8 files changed, 119 insertions, 72 deletions
diff --git a/sys/arch/powerpc/include/autoconf.h b/sys/arch/powerpc/include/autoconf.h index 94d157d792e..d98451caec8 100644 --- a/sys/arch/powerpc/include/autoconf.h +++ b/sys/arch/powerpc/include/autoconf.h @@ -1,4 +1,4 @@ -/* $OpenBSD: autoconf.h,v 1.9 2001/06/26 18:19:43 drahn Exp $ */ +/* $OpenBSD: autoconf.h,v 1.10 2001/07/09 02:14:05 mickey Exp $ */ /* * Copyright (c) 1997 Per Fogelstrom @@ -103,7 +103,7 @@ void ofrootfound(void); typedef int mac_intr_handle_t; typedef void *(intr_establish_t) __P((void *, mac_intr_handle_t, - int, int, int (*func)(void *), void *, char *)); + int, int, int (*func)(void *), void *, char *)); typedef void (intr_disestablish_t) __P((void *, void *)); intr_establish_t mac_intr_establish; diff --git a/sys/arch/powerpc/include/bus.h b/sys/arch/powerpc/include/bus.h index e716c5878fe..f4441fe23ef 100644 --- a/sys/arch/powerpc/include/bus.h +++ b/sys/arch/powerpc/include/bus.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bus.h,v 1.15 2001/06/26 05:17:04 mickey Exp $ */ +/* $OpenBSD: bus.h,v 1.16 2001/07/09 02:14:05 mickey Exp $ */ /* * Copyright (c) 1997 Per Fogelstrom. All rights reserved. @@ -317,6 +317,8 @@ bus_space_read_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh, void bus_space_read_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh, bus_addr_t ba, u_int8_t *dst, bus_size_t size); +#define bus_space_read_raw_multi_8 \ + !!! bus_space_read_raw_multi_8 not implemented !!! void bus_space_write_raw_multi_1(bus_space_tag_t bst, bus_space_handle_t bsh, @@ -327,11 +329,31 @@ bus_space_write_raw_multi_2(bus_space_tag_t bst, bus_space_handle_t bsh, void bus_space_write_raw_multi_4(bus_space_tag_t bst, bus_space_handle_t bsh, bus_addr_t ba, const u_int8_t *src, bus_size_t size); +#define bus_space_write_raw_multi_8 \ + !!! bus_space_write_raw_multi_8 not implemented !!! -#define bus_space_read_raw_multi_8 \ - !!! bus_space_read_raw_multi_8 not implemented !!! +void +bus_space_set_region_1 __P((void *v, bus_space_handle_t h, bus_size_t o, + u_int8_t val, bus_size_t c)); +void +bus_space_set_region_2 __P((void *v, bus_space_handle_t h, bus_size_t o, + u_int16_t val, bus_size_t c)); +void +bus_space_set_region_4 __P((void *v, bus_space_handle_t h, bus_size_t o, + u_int32_t val, bus_size_t c)); +#define bus_space_set_region_8 \ + !!! bus_space_write_raw_multi_8 not implemented !!! -#define bus_space_write_raw_multi_8 \ +void +bus_space_copy_1 __P((void *v, bus_space_handle_t h1, bus_space_handle_t h2, + bus_size_t o1, bus_size_t o2, bus_size_t c)); +void +bus_space_copy_2 __P((void *v, bus_space_handle_t h1, bus_space_handle_t h2, + bus_size_t o1, bus_size_t o2, bus_size_t c)); +void +bus_space_copy_4 __P((void *v, bus_space_handle_t h1, bus_space_handle_t h2, + bus_size_t o1, bus_size_t o2, bus_size_t c)); +#define bus_space_copy_8 \ !!! bus_space_write_raw_multi_8 not implemented !!! /* diff --git a/sys/arch/powerpc/include/param.h b/sys/arch/powerpc/include/param.h index 9b01de2be9a..8de202ada69 100644 --- a/sys/arch/powerpc/include/param.h +++ b/sys/arch/powerpc/include/param.h @@ -1,4 +1,4 @@ -/* $OpenBSD: param.h,v 1.16 2001/07/06 02:07:43 provos Exp $ */ +/* $OpenBSD: param.h,v 1.17 2001/07/09 02:14:05 mickey Exp $ */ /* $NetBSD: param.h,v 1.1 1996/09/30 16:34:28 ws Exp $ */ /*- @@ -137,6 +137,8 @@ #define EMPTY_SEGMENT 0xfffff0 #define USER_ADDR ((void *)(USER_SR << ADDR_SR_SHFT)) +#define __COMPAT_OLD_TIMEOUTS + /* * Some system constants */ diff --git a/sys/arch/powerpc/include/pmap.h b/sys/arch/powerpc/include/pmap.h index 0b18a771c49..4fa83a246d5 100644 --- a/sys/arch/powerpc/include/pmap.h +++ b/sys/arch/powerpc/include/pmap.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.h,v 1.10 2001/06/29 06:07:09 drahn Exp $ */ +/* $OpenBSD: pmap.h,v 1.11 2001/07/09 02:14:05 mickey Exp $ */ /* $NetBSD: pmap.h,v 1.1 1996/09/30 16:34:29 ws Exp $ */ /*- @@ -96,6 +96,8 @@ int ptebits(paddr_t pa, int bit); #define pmap_is_modified(pa) (ptebits((pa), PTE_CHG)) #define pmap_is_referenced(pa) (ptebits((pa), PTE_REF)) #define pmap_unwire(pm, va) +/* XXX */ +void pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot); #endif #define pmap_phys_address(x) (x) diff --git a/sys/arch/powerpc/powerpc/db_interface.c b/sys/arch/powerpc/powerpc/db_interface.c index a9865ae295e..f83bea9a4a9 100644 --- a/sys/arch/powerpc/powerpc/db_interface.c +++ b/sys/arch/powerpc/powerpc/db_interface.c @@ -1,4 +1,4 @@ -/* $OpenBSD: db_interface.c,v 1.5 2001/07/01 04:34:24 drahn Exp $ */ +/* $OpenBSD: db_interface.c,v 1.6 2001/07/09 02:14:05 mickey Exp $ */ #include <sys/param.h> #include <sys/proc.h> @@ -6,6 +6,9 @@ #include <machine/db_machdep.h> #include <ddb/db_extern.h> + +int ddb_trap_glue __P((struct trapframe *frame)); /* called from locore */ + void Debugger() { diff --git a/sys/arch/powerpc/powerpc/machdep.c b/sys/arch/powerpc/powerpc/machdep.c index eb2e1c4ba60..27b45f693a5 100644 --- a/sys/arch/powerpc/powerpc/machdep.c +++ b/sys/arch/powerpc/powerpc/machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: machdep.c,v 1.71 2001/06/27 04:37:21 art Exp $ */ +/* $OpenBSD: machdep.c,v 1.72 2001/07/09 02:14:05 mickey Exp $ */ /* $NetBSD: machdep.c,v 1.4 1996/10/16 19:33:11 ws Exp $ */ /* @@ -71,6 +71,8 @@ #include <dev/ofw/openfirm.h> +#include <dev/pci/pcivar.h> + #include <machine/bat.h> #include <machine/pmap.h> #include <machine/powerpc.h> @@ -78,7 +80,12 @@ #include <machine/autoconf.h> #include <machine/bus.h> #include <machine/pio.h> + #include "adb.h" +#if NADB > 0 +#include <arch/powerpc/mac/adbvar.h> +#include <arch/powerpc/mac/adb_direct.h> +#endif #ifdef DDB #include <machine/db_machdep.h> @@ -96,7 +103,7 @@ struct proc *fpuproc; extern struct user *proc0paddr; -/* +/* * Declare these as initialized data so we can patch them. */ int nswbuf = 0; @@ -140,7 +147,17 @@ void * startsym, *endsym; void ofw_dbg(char *str); caddr_t allocsys __P((caddr_t)); +void dumpsys __P((void)); +void systype __P((char *name)); +void lcsplx __P((int ipl)); /* called from LCore */ int power4e_get_eth_addr __P((void)); +void nameinterrupt __P((int replace, char *newstr)); +void ppc_intr_setup __P((intr_establish_t *establish, + intr_disestablish_t *disestablish)); +void *ppc_intr_establish __P((void *lcv, pci_intr_handle_t ih, int type, + int level, int (*func) __P((void *)), void *arg, char *name)); +int bus_mem_add_mapping __P((bus_addr_t bpa, bus_size_t size, int cacheable, + bus_space_handle_t *bshp)); /* * Extent maps to manage I/O. Allocate storage for 8 regions in each, @@ -183,7 +200,7 @@ initppc(startkernel, endkernel, args) proc0.p_addr = proc0paddr; bzero(proc0.p_addr, sizeof *proc0.p_addr); - + /* * XXX We use the page just above the interrupt vector as * message buffer @@ -192,7 +209,7 @@ initppc(startkernel, endkernel, args) where = 3; curpcb = &proc0paddr->u_pcb; - + curpm = curpcb->pcb_pmreal = curpcb->pcb_pm = pmap_kernel(); /* @@ -207,7 +224,7 @@ where = 3; __asm__ volatile ("mtdbatu 1,%0" :: "r"(0)); __asm__ volatile ("mtdbatu 2,%0" :: "r"(0)); __asm__ volatile ("mtdbatu 3,%0" :: "r"(0)); - + /* * Set up initial BAT table to only map the lowest 256 MB area */ @@ -256,7 +273,7 @@ where = 3; :: "r"(battable[1].batl), "r"(battable[1].batu)); __asm__ volatile ("sync;isync"); #endif - + /* * Set up trap vectors */ @@ -298,7 +315,7 @@ where = 3; case EXC_BPT: #if defined(DDB) bcopy(&ddblow, (void *)exc, (size_t)&ddbsize); -#else +#else #if NIPKDB > 0 bcopy(&ipkdblow, (void *)exc, (size_t)&ipkdbsize); #endif @@ -325,12 +342,12 @@ where = 3; __asm__ volatile ("eieio; mfmsr %0; ori %0,%0,%1; mtmsr %0; sync;isync" : "=r"(scratch) : "K"(PSL_IR|PSL_DR|PSL_ME|PSL_RI)); - /* - * Look at arguments passed to us and compute boothowto. + /* + * Look at arguments passed to us and compute boothowto. * Default to SINGLE and ASKNAME if no args or - * SINGLE and DFLTROOT if this is a ramdisk kernel. - */ -#ifdef RAMDISK_HOOKS + * SINGLE and DFLTROOT if this is a ramdisk kernel. + */ +#ifdef RAMDISK_HOOKS boothowto = RB_SINGLE | RB_DFLTROOT; #else boothowto = RB_AUTOBOOT; @@ -364,11 +381,11 @@ where = 3; break; } } - } + } bootpath= &bootpathbuf[0]; #if 0 bcopy(args +strlen(args) + 1, &startsym, sizeof(startsym)); - bcopy(args +strlen(args) + 5, &endsym, sizeof(endsym)); + bcopy(args +strlen(args) + 5, &endsym, sizeof(endsym)); ddb_init((int)((u_int)endsym - (u_int)startsym), startsym, endsym); #endif @@ -379,13 +396,13 @@ where = 3; /* * Set up extents for pci mappings * Is this too late? - * + * * what are good start and end values here?? * 0x0 - 0x80000000 mcu bus * MAP A MAP B * 0x80000000 - 0xbfffffff io 0x80000000 - 0xefffffff mem * 0xc0000000 - 0xffffffff mem 0xf0000000 - 0xffffffff io - * + * * of course bsd uses 0xe and 0xf * So the BSD PPC memory map will look like this * 0x0 - 0x80000000 memory (whatever is filled) @@ -400,7 +417,7 @@ where = 3; /* * Now we can set up the console as mapping is enabled. - */ + */ consinit(); /* while using openfirmware, run userconfig */ if (boothowto & RB_CONFIG) { @@ -447,11 +464,12 @@ void install_extint(handler) void (*handler) __P((void)); { - extern extint, extsize; + void extint __P((void)); + void extsize __P((void)); extern u_long extint_call; u_long offset = (u_long)handler - (u_long)&extint_call; int omsr, msr; - + #ifdef DIAGNOSTIC if (offset > 0x1ffffff) panic("install_extint: too far away"); @@ -476,11 +494,11 @@ cpu_startup() vm_offset_t minaddr, maxaddr; int base, residual; v = (caddr_t)proc0paddr + USPACE; - + proc0.p_addr = proc0paddr; printf("%s", version); - + printf("real mem = %d\n", ctob(physmem)); /* @@ -517,7 +535,7 @@ cpu_startup() vm_size_t curbufsize; vm_offset_t curbuf; struct vm_page *pg; - + curbuf = (vm_offset_t)buffers + i * MAXBSIZE; curbufsize = PAGE_SIZE * (i < residual ? base + 1 : base); while (curbufsize) { @@ -545,20 +563,19 @@ cpu_startup() phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr, VM_PHYS_SIZE, TRUE, FALSE, NULL); ppc_malloc_ok = 1; - + mb_map = uvm_km_suballoc(kernel_map, (vm_offset_t *)&mbutl, &maxaddr, VM_MBUF_SIZE, FALSE, FALSE, NULL); - + /* * Initialize timeouts. */ timeout_init(); - + printf("avail mem = %d\n", ptoa(uvmexp.free)); printf("using %d buffers containing %d bytes of memory\n", nbuf, bufpages * PAGE_SIZE); - - + /* * Set up the buffers. */ @@ -566,7 +583,6 @@ cpu_startup() devio_malloc_safe = 1; } - /* * Allocate space for system data structures. @@ -623,7 +639,7 @@ allocsys(v) nswbuf = 256; } valloc(buf, struct buf, nbuf); - + return v; } @@ -654,14 +670,14 @@ setregs(p, pack, stack, retval) { u_int32_t newstack; u_int32_t pargs; - u_int32_t args[4]; + u_int32_t args[4]; struct trapframe *tf = trapframe(p); pargs = -roundup(-stack + 8, 16); newstack = (u_int32_t)(pargs - 32); copyin ((void*)(VM_MAX_ADDRESS-0x10), &args, 0x10); - + bzero(tf, sizeof *tf); tf->fixreg[1] = newstack; tf->fixreg[3] = retval[0] = args[1]; /* XXX */ @@ -689,12 +705,12 @@ sendsig(catcher, sig, mask, code, type, val) struct sigframe *fp, frame; struct sigacts *psp = p->p_sigacts; int oldonstack; - + frame.sf_signum = sig; - + tf = trapframe(p); oldonstack = psp->ps_sigstk.ss_flags & SS_ONSTACK; - + /* * Allocate stack space for signal handler. */ @@ -707,7 +723,7 @@ sendsig(catcher, sig, mask, code, type, val) } else fp = (struct sigframe *)tf->fixreg[1]; fp = (struct sigframe *)((int)(fp - 1) & ~0xf); - + /* * Generate signal context for SYS_sigreturn. */ @@ -721,7 +737,7 @@ sendsig(catcher, sig, mask, code, type, val) } if (copyout(&frame, fp, sizeof frame) != 0) sigexit(p, SIGILL); - + tf->fixreg[1] = (int)fp; tf->lr = (int)catcher; @@ -752,8 +768,8 @@ sys_sigreturn(p, v, retval) struct sigcontext sc; struct trapframe *tf; int error; - - if (error = copyin(SCARG(uap, sigcntxp), &sc, sizeof sc)) + + if ((error = copyin(SCARG(uap, sigcntxp), &sc, sizeof sc))) return error; tf = trapframe(p); if ((sc.sc_frame.srr1 & PSL_USERSTATIC) != (tf->srr1 & PSL_USERSTATIC)) @@ -936,10 +952,10 @@ power4e_get_eth_addr() &ofw_eth_addr, sizeof ofw_eth_addr) >= 0) { return(0); } - if (phandle = OF_child(qhandle)) + if ((phandle = OF_child(qhandle))) continue; while (qhandle) { - if (phandle = OF_peer(qhandle)) + if ((phandle = OF_peer(qhandle))) break; qhandle = OF_parent(qhandle); } @@ -969,7 +985,7 @@ void systype(char *name) { /* this table may be order specific if substrings match several - * computers but a longer string matches a specific + * computers but a longer string matches a specific */ int i; struct systyp { @@ -999,7 +1015,8 @@ systype(char *name) name); } } -/* + +/* * one attempt at interrupt stuff.. * */ @@ -1033,7 +1050,7 @@ ppc_intr_establish(lcv, ih, type, level, func, arg, name) return (void *)ppc_configed_intr_cnt; } -intr_establish_t *intr_establish_func = ppc_intr_establish;; +intr_establish_t *intr_establish_func = (intr_establish_t *)ppc_intr_establish; intr_disestablish_t *intr_disestablish_func; void @@ -1080,7 +1097,7 @@ bus_space_map(t, bpa, size, cacheable, bshp) bus_space_handle_t *bshp; { int error; - + if (POWERPC_BUS_TAG_BASE(t) == 0) { /* if bus has base of 0 fail. */ return 1; @@ -1097,8 +1114,8 @@ bus_space_map(t, bpa, size, cacheable, bshp) return 0; } } - if (error = bus_mem_add_mapping(bpa, size, cacheable, bshp)) { - if (extent_free(devio_ex, bpa, size, EX_NOWAIT | + if ((error = bus_mem_add_mapping(bpa, size, cacheable, bshp))) { + if (extent_free(devio_ex, bpa, size, EX_NOWAIT | (ppc_malloc_ok ? EX_MALLOCOK : 0))) { printf("bus_space_map: pa 0x%x, size 0x%x\n", @@ -1141,7 +1158,7 @@ bus_space_unmap(t, bsh, size) uvm_km_free_wakeup(phys_map, sva, len); #if 0 pmap_extract(pmap_kernel(), sva, &bpa); - if (extent_free(devio_ex, bpa, size, EX_NOWAIT | + if (extent_free(devio_ex, bpa, size, EX_NOWAIT | (ppc_malloc_ok ? EX_MALLOCOK : 0))) { printf("bus_space_map: pa 0x%x, size 0x%x\n", @@ -1174,7 +1191,7 @@ bus_mem_add_mapping(bpa, size, cacheable, bshp) panic("bus_mem_add_mapping: overflow"); } #endif - if (ppc_malloc_ok == 0) { + if (ppc_malloc_ok == 0) { bus_size_t alloc_size; /* need to steal vm space before kernel vm is initialized */ @@ -1187,7 +1204,7 @@ bus_mem_add_mapping(bpa, size, cacheable, bshp) } *bshp = vaddr + off; #ifdef DEBUG_BUS_MEM_ADD_MAPPING - printf("mapping %x size %x to %x vbase %x\n", + printf("mapping %x size %x to %x vbase %x\n", bpa, size, *bshp, spa); #endif for (; len > 0; len -= NBPG) { @@ -1210,7 +1227,7 @@ bus_space_alloc(tag, rstart, rend, size, alignment, boundary, cacheable, addrp, bus_size_t size, alignment, boundary; int cacheable; bus_addr_t *addrp; - bus_space_handle_t *handlep; + bus_space_handle_t *handlep; { panic("bus_space_alloc: unimplemented"); @@ -1246,7 +1263,7 @@ mapiodev(pa, len) } va = vaddr = uvm_km_valloc(phys_map, size); - if (va == 0) + if (va == 0) return NULL; for (; size > 0; size -= NBPG) { @@ -1261,7 +1278,7 @@ mapiodev(pa, len) } return (void*) (va+off); } -void +void unmapiodev(kva, p_size) void *kva; psize_t p_size; @@ -1295,8 +1312,8 @@ unmapiodev(kva, p_size) #define _CONCAT(A,B) A ## B #define __C(A,B) _CONCAT(A,B) -#define BUS_SPACE_COPY_N(BYTES,TYPE) \ -void \ +#define BUS_SPACE_COPY_N(BYTES,TYPE) \ +void \ __C(bus_space_copy_,BYTES)(v, h1, o1, h2, o2, c) \ void *v; \ bus_space_handle_t h1, h2; \ @@ -1328,7 +1345,7 @@ __C(bus_space_set_region_,BYTES)(v, h, o, val, c) \ void *v; \ bus_space_handle_t h; \ TYPE val; \ - bus_size_t c; \ + bus_size_t o, c; \ { \ TYPE *dst; \ int i; \ @@ -1447,6 +1464,7 @@ kcopy(from, to, size) return 0; } + void nameinterrupt(replace, newstr) int replace; diff --git a/sys/arch/powerpc/powerpc/pmap.c b/sys/arch/powerpc/powerpc/pmap.c index 4964e604c64..7938f0fea2d 100644 --- a/sys/arch/powerpc/powerpc/pmap.c +++ b/sys/arch/powerpc/powerpc/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.34 2001/06/27 06:19:54 art Exp $ */ +/* $OpenBSD: pmap.c,v 1.35 2001/07/09 02:14:05 mickey Exp $ */ /* $NetBSD: pmap.c,v 1.1 1996/09/30 16:34:52 ws Exp $ */ /* @@ -276,7 +276,6 @@ void pmap_remove_pv(struct pmap *pm, int pteidx, vm_offset_t va, pte_t * pte_find(struct pmap *pm, vm_offset_t va); /* XXX */ -void pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot); void pmap_kenter_pgs(vaddr_t va, struct vm_page **pgs, int npgs); void pmap_kremove(vaddr_t va, vsize_t len); void addbatmap(u_int32_t vaddr, u_int32_t raddr, u_int32_t wimg); diff --git a/sys/arch/powerpc/powerpc/vm_machdep.c b/sys/arch/powerpc/powerpc/vm_machdep.c index 8233e7d1a59..93e7a512dc3 100644 --- a/sys/arch/powerpc/powerpc/vm_machdep.c +++ b/sys/arch/powerpc/powerpc/vm_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vm_machdep.c,v 1.19 2001/06/29 06:07:09 drahn Exp $ */ +/* $OpenBSD: vm_machdep.c,v 1.20 2001/07/09 02:14:06 mickey Exp $ */ /* $NetBSD: vm_machdep.c,v 1.1 1996/09/30 16:34:57 ws Exp $ */ /* @@ -45,6 +45,7 @@ #include <uvm/uvm_extern.h> #include <machine/pcb.h> +#include <machine/fpu.h> /* * Finish a fork operation, with process p2 nearly set up. @@ -207,13 +208,13 @@ cpu_coredump(p, vp, cred, chdr) cseg.c_addr = 0; cseg.c_size = chdr->c_cpusize; - if (error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize, + if ((error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&cseg, chdr->c_seghdrsize, (off_t)chdr->c_hdrsize, UIO_SYSSPACE, - IO_NODELOCKED|IO_UNIT, cred, NULL, p)) + IO_NODELOCKED|IO_UNIT, cred, NULL, p))) return error; - if (error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof md_core, - (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), UIO_SYSSPACE, - IO_NODELOCKED|IO_UNIT, cred, NULL, p)) + if ((error = vn_rdwr(UIO_WRITE, vp, (caddr_t)&md_core, sizeof md_core, + (off_t)(chdr->c_hdrsize + chdr->c_seghdrsize), + UIO_SYSSPACE, IO_NODELOCKED|IO_UNIT, cred, NULL, p))) return error; chdr->c_nseg++; |