Annotation of src/sys/arch/x86/x86/procfs_machdep.c, Revision 1.23.2.3
1.23.2.2 martin 1: /* $NetBSD$ */
1.1 rmind 2:
3: /*
4: * Copyright (c) 2001 Wasabi Systems, Inc.
5: * All rights reserved.
6: *
7: * Written by Frank van der Linden and Jason R. Thorpe for
8: * Wasabi Systems, Inc.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. All advertising materials mentioning features or use of this software
19: * must display the following acknowledgement:
20: * This product includes software developed for the NetBSD Project by
21: * Wasabi Systems, Inc.
22: * 4. The name of Wasabi Systems, Inc. may not be used to endorse
23: * or promote products derived from this software without specific prior
24: * written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36: * POSSIBILITY OF SUCH DAMAGE.
37: */
38:
39: /*
40: * NOTE: We simply use the primary CPU's cpuid_level and tsc_freq
41: * here. Might want to change this later.
42: */
43:
44: #include <sys/cdefs.h>
1.23.2.2 martin 45: __KERNEL_RCSID(0, "$NetBSD$");
1.1 rmind 46:
47: #include <sys/param.h>
48: #include <sys/systm.h>
49: #include <sys/mount.h>
50: #include <sys/stat.h>
51: #include <sys/vnode.h>
52:
53: #include <miscfs/procfs/procfs.h>
54:
55: #include <machine/cpu.h>
56: #include <machine/reg.h>
57: #include <machine/specialreg.h>
1.18 msaitoh 58: #include <x86/cputypes.h>
59: #include <x86/cpuvar.h>
1.1 rmind 60:
1.10 msaitoh 61: /*
1.11 msaitoh 62: * The feature table. The order is the same as Linux's
1.10 msaitoh 63: * x86/include/asm/cpufeatures.h.
64: */
1.8 msaitoh 65: static const char * const x86_features[][32] = {
1.13 msaitoh 66: { /* (0) Common: 0x0000001 edx */
1.1 rmind 67: "fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
68: "cx8", "apic", NULL, "sep", "mtrr", "pge", "mca", "cmov",
69: "pat", "pse36", "pn", "clflush", NULL, "dts", "acpi", "mmx",
1.8 msaitoh 70: "fxsr", "sse", "sse2", "ss", "ht", "tm", "ia64", "pbe"},
71:
1.13 msaitoh 72: { /* (1) AMD-defined: 0x80000001 edx */
1.8 msaitoh 73: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
74: NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL,
75: NULL, NULL, NULL, "mp", "nx", NULL, "mmxext", NULL,
76: NULL, "fxsr_opt", "pdpe1gb", "rdtscp", NULL, "lm", "3dnowext","3dnow"},
77:
1.10 msaitoh 78: { /* (2) Transmeta-defined */
1.8 msaitoh 79: "recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL,
80: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
81: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
82: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
83:
1.10 msaitoh 84: { /* (3) Linux mapping */
1.8 msaitoh 85: "cxmmx", NULL, "cyrix_arr", "centaur_mcr", NULL,
86: "constant_tsc", NULL, NULL,
87: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
88: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
89: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
90:
1.13 msaitoh 91: { /* (4) Intel-defined: 0x00000001 ecx */
1.8 msaitoh 92: "pni", "pclmulqdq", "dtes64", "monitor", "ds_cpl", "vmx", "smx", "est",
93: "tm2", "ssse3", "cid", "sdbg", "fma", "cx16", "xtpr", "pdcm",
94: NULL, "pcid", "dca", "sse4_1", "sse4_2", "x2apic", "movbe", "popcnt",
95: "tsc_deadline_timer", "aes", "xsave", NULL,
96: "avx", "f16c", "rdrand", "hypervisor"},
97:
98: { /* (5) VIA/Cyrix/Centaur-defined */
99: NULL, NULL, "rng", "rng_en", NULL, NULL, "ace", "ace_en",
1.13 msaitoh 100: "ace2", "ace2_en", "phe", "phe_en", "pmm", "pmm_en", NULL, NULL,
1.8 msaitoh 101: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
102: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
103:
104: { /* (6) AMD defined 80000001 ecx */
105: "lahf_lm", "cmp_legacy", "svm", "extapic",
106: "cr8_legacy", "abm", "sse4a", "misalignsse",
107: "3dnowprefetch", "osvw", "ibs", "xop", "skinit", "wdt", NULL, "lwp",
108: "fma4", "tce", NULL, "nodeid_msr",
109: NULL, "tbm", "topoext", "perfctr_core",
1.12 msaitoh 110: "perfctr_nb", NULL, "bpext", "ptsc",
1.17 msaitoh 111: "perfctr_llc", "mwaitx", NULL, NULL},
1.8 msaitoh 112:
1.10 msaitoh 113: { /* (7) Linux mapping */
1.12 msaitoh 114: NULL, NULL, "cpb", "ebp", NULL, "pln", "pts", "dtherm",
1.17 msaitoh 115: "hw_pstate", "proc_feedback", "sme", NULL,
1.21 msaitoh 116: NULL, NULL, NULL, NULL,
1.8 msaitoh 117: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
1.23.2.1 christos 118: NULL, "ibrs", "ibpb", "stibp", NULL, NULL, NULL, NULL},
1.8 msaitoh 119:
120: { /* (8) Linux mapping */
121: "tpr_shadow", "vnmi", "flexpriority", "ept",
122: "vpid", "npt", "lbrv", "svm_lock",
123: "nrip_save", "tsc_scale", "vmcb_clean", "flushbyasid",
124: "decodeassists", "pausefilter", "pfthreshold", "vmmcall",
1.23.2.1 christos 125: NULL, "ept_ad", NULL, NULL, NULL, NULL, NULL, NULL,
1.8 msaitoh 126: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
127:
128: { /* (9) Intel-defined: 00000007 ebx */
129: "fsgsbase", "tsc_adjust", NULL, "bmi1", "hle", "avx2", NULL, "smep",
1.14 msaitoh 130: "bmi2", "erms", "invpcid", "rtm", "cqm", NULL, "mpx", "rdt_a",
1.12 msaitoh 131: "avx512f", "avx512dq", "rdseed", "adx",
1.23.2.3! martin 132: "smap", "avx512ifma", NULL, "clflushopt",
1.21 msaitoh 133: "clwb", "intel_pt", "avx512pf", "avx512er",
1.12 msaitoh 134: "avx512cd", "sha_ni", "avx512bw", "avx512vl"},
1.8 msaitoh 135:
1.17 msaitoh 136: { /* (10) 0x0000000d:1 eax */
1.8 msaitoh 137: "xsaveopt", "xsavec", "xgetbv1", "xsaves", NULL, NULL, NULL, NULL,
138: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
139: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
140: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
141:
1.10 msaitoh 142: { /* (11) 0x0000000f:0 edx */
1.8 msaitoh 143: NULL, "cqm_llc", NULL, NULL, NULL, NULL, NULL, NULL,
144: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
145: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
146: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
147:
1.10 msaitoh 148: { /* (12) 0x0000000f:1 edx */
1.23.2.3! martin 149: "cqm_occup_llc", "cqm_mbm_total", "cqm_mbm_local", NULL,
! 150: NULL, NULL, NULL, NULL,
1.8 msaitoh 151: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
152: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
153: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
1.15 msaitoh 154:
1.22 msaitoh 155: { /* (13) AMD 0x80000008 ebx */
1.23.2.3! martin 156: "clzero", "irperf", "xsaveerptr", NULL, "rdpru", NULL, NULL, NULL,
1.23.2.1 christos 157: NULL, "wbnoinvd", NULL, NULL, NULL, NULL, NULL, NULL,
1.15 msaitoh 158: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
1.23.2.1 christos 159: NULL, "virt_ssbd", NULL, NULL, NULL, NULL, NULL, NULL},
1.15 msaitoh 160:
161: { /* (14) 0x00000006 eax */
162: "dtherm", "ida", "arat", NULL, "pln", NULL, "pts", "hwp",
163: "hwp_notify", "hwp_act_window", "hwp_epp","hwp_pkg_req",
164: NULL, NULL, NULL, NULL,
165: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
166: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
167:
168: { /* (15) 0x8000000a edx */
169: "npt", "lbrv", "svm_lock", "nrip_save",
170: "tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
1.17 msaitoh 171: NULL, NULL, "pausefilter", NULL, "pfthreshold", "avic", NULL,
172: "v_vmsave_vmload",
173: "vgif", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
1.15 msaitoh 174: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
175:
176: { /* (16) 0x00000007:0 ecx */
1.22 msaitoh 177: NULL, "avx512vbmi", "umip", "pku",
1.23.2.3! martin 178: "ospke", "waitpkg", "avx512_vbmi2", NULL,
1.22 msaitoh 179: "gfni", "vaes", "vpclmulqdq", "avx512_vnni",
1.23.2.1 christos 180: "avx512_bitalg", "tme", "avx512_vpopcntdq", NULL,
1.15 msaitoh 181: "la57", NULL, NULL, NULL, NULL, NULL, "rdpid", NULL,
1.23.2.1 christos 182: NULL, "cldemote", NULL, "movdiri", "movdir64b", NULL, NULL, NULL},
1.15 msaitoh 183:
184: { /* (17) 0x80000007 ebx */
1.20 msaitoh 185: "overflow_recov", "succor", NULL, "smca", NULL, NULL, NULL, NULL,
1.15 msaitoh 186: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
187: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
188: NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL},
1.22 msaitoh 189:
190: { /* (18) Intel 0x00000007 edx */
1.23.2.2 martin 191: NULL, NULL, "avx512_4vnniw", "avx512_4fmaps", "fsrm", NULL, NULL, NULL,
192: "vp2intersect", NULL, "md_clear", NULL, NULL, NULL, NULL, NULL,
1.23.2.1 christos 193: NULL, NULL, "pconfig", NULL, NULL, NULL, NULL, NULL,
194: NULL, NULL, NULL, NULL,
195: "flush_l1d", "arch_capabilities", NULL, "ssbd"},
1.1 rmind 196: };
197:
1.6 christos 198: static int procfs_getonecpu(int, struct cpu_info *, char *, size_t *);
1.1 rmind 199:
200: /*
201: * Linux-style /proc/cpuinfo.
202: * Only used when procfs is mounted with -o linux.
203: *
204: * In the multiprocessor case, this should be a loop over all CPUs.
205: */
206: int
1.6 christos 207: procfs_getcpuinfstr(char *bf, size_t *len)
1.1 rmind 208: {
209: struct cpu_info *ci;
210: CPU_INFO_ITERATOR cii;
1.6 christos 211: size_t i, total, size, used;
1.1 rmind 212:
1.6 christos 213: i = total = 0;
214: used = size = *len;
1.8 msaitoh 215:
1.1 rmind 216: for (CPU_INFO_FOREACH(cii, ci)) {
1.6 christos 217: procfs_getonecpu(i++, ci, bf, &used);
218: total += used + 1;
1.16 msaitoh 219: if (used + 1 <= size) {
1.1 rmind 220: bf += used;
221: *bf++ = '\n';
1.6 christos 222: size -= used + 1;
223: used = size;
224: } else
225: used = 0;
1.1 rmind 226: }
1.6 christos 227: size = *len;
228: *len = total;
229: return size < *len ? -1 : 0;
1.1 rmind 230: }
231:
232: static int
1.8 msaitoh 233: procfs_getonefeatreg(uint32_t reg, const char * const *table, char *p,
234: size_t *left)
235: {
236: size_t l;
237:
238: for (size_t i = 0; i < 32; i++) {
1.23.2.1 christos 239: if ((reg & (1U << i)) && table[i]) {
1.8 msaitoh 240: l = snprintf(p, *left, "%s ", table[i]);
241: if (l < *left) {
242: *left -= l;
243: p += l;
244: } else
245: break;
246: }
247: }
248:
249: return 0; /* XXX */
250: }
251:
252: /*
1.10 msaitoh 253: * Print feature bits. The code assume that unused entry of x86_features[]
1.8 msaitoh 254: * is zero-cleared.
255: *
256: * XXX This function will be rewritten when all of linux entries are
257: * decoded.
258: */
259: static int
260: procfs_getonecpufeatures(struct cpu_info *ci, char *p, size_t *left)
261: {
262: size_t last = *left;
263: size_t diff;
1.17 msaitoh 264: u_int descs[4];
1.8 msaitoh 265:
266: procfs_getonefeatreg(ci->ci_feat_val[0], x86_features[0], p, left);
267: diff = last - *left;
268:
269: procfs_getonefeatreg(ci->ci_feat_val[2], x86_features[1], p + diff,
270: left);
271: diff = last - *left;
272:
273: /* x86_features[2] is for Transmeta */
274: /* x86_features[3] is Linux defined mapping */
275:
276: procfs_getonefeatreg(ci->ci_feat_val[1], x86_features[4], p + diff,
277: left);
278: diff = last - *left;
279:
280: procfs_getonefeatreg(ci->ci_feat_val[4], x86_features[5], p + diff,
281: left);
282: diff = last - *left;
283:
284: procfs_getonefeatreg(ci->ci_feat_val[3], x86_features[6], p + diff,
285: left);
286: diff = last - *left;
287:
288: /* x86_features[7] is Linux defined mapping */
289: /* x86_features[8] is Linux defined mapping */
290:
291: procfs_getonefeatreg(ci->ci_feat_val[5], x86_features[9], p + diff,
292: left);
293: diff = last - *left;
294:
1.18 msaitoh 295: if (ci->ci_max_cpuid >= 0x0d) {
1.17 msaitoh 296: x86_cpuid2(0x0d, 1, descs);
297: procfs_getonefeatreg(descs[0], x86_features[10], p + diff,
298: left);
299: diff = last - *left;
300: }
301:
1.18 msaitoh 302: if (ci->ci_max_cpuid >= 0x0f) {
1.17 msaitoh 303: x86_cpuid2(0x0f, 0, descs);
304: procfs_getonefeatreg(descs[3], x86_features[11], p + diff,
305: left);
306: diff = last - *left;
307:
308: x86_cpuid2(0x0f, 1, descs);
309: procfs_getonefeatreg(descs[3], x86_features[12], p + diff,
310: left);
311: diff = last - *left;
312: }
313:
1.18 msaitoh 314: if ((cpu_vendor == CPUVENDOR_AMD)
315: && (ci->ci_max_ext_cpuid >= 0x80000008)) {
316: x86_cpuid(0x80000008, descs);
317: procfs_getonefeatreg(descs[1], x86_features[13], p + diff,
318: left);
319: diff = last - *left;
320: }
1.17 msaitoh 321:
1.18 msaitoh 322: if (ci->ci_max_cpuid >= 0x06) {
1.17 msaitoh 323: x86_cpuid(0x06, descs);
324: procfs_getonefeatreg(descs[0], x86_features[14], p + diff,
325: left);
326: diff = last - *left;
327: }
328:
1.18 msaitoh 329: if ((cpu_vendor == CPUVENDOR_AMD)
330: && (ci->ci_max_ext_cpuid >= 0x8000000a)) {
331: x86_cpuid(0x8000000a, descs);
332: procfs_getonefeatreg(descs[3], x86_features[15], p + diff,
333: left);
334: diff = last - *left;
335: }
1.15 msaitoh 336:
337: procfs_getonefeatreg(ci->ci_feat_val[6], x86_features[16], p + diff,
338: left);
339: diff = last - *left;
340:
1.18 msaitoh 341: if ((cpu_vendor == CPUVENDOR_AMD)
342: && (ci->ci_max_ext_cpuid >= 0x80000007)) {
343: x86_cpuid(0x80000007, descs);
344: procfs_getonefeatreg(descs[1], x86_features[17], p + diff,
345: left);
346: diff = last - *left;
347: }
1.10 msaitoh 348:
1.22 msaitoh 349: if ((cpu_vendor == CPUVENDOR_INTEL)
350: && (ci->ci_max_cpuid >= 0x00000007)) {
351: x86_cpuid(0x00000007, descs);
352: procfs_getonefeatreg(descs[3], x86_features[18], p + diff,
353: left);
354: diff = last - *left;
355: }
356:
1.8 msaitoh 357: return 0; /* XXX */
358: }
359:
360: static int
1.6 christos 361: procfs_getonecpu(int xcpu, struct cpu_info *ci, char *bf, size_t *len)
1.1 rmind 362: {
1.6 christos 363: size_t left, l, size;
364: char featurebuf[1024], *p;
1.1 rmind 365:
366: p = featurebuf;
367: left = sizeof(featurebuf);
1.6 christos 368: size = *len;
1.8 msaitoh 369: procfs_getonecpufeatures(ci, p, &left);
1.1 rmind 370:
371: p = bf;
372: left = *len;
1.6 christos 373: size = 0;
1.1 rmind 374: l = snprintf(p, left,
375: "processor\t: %d\n"
376: "vendor_id\t: %s\n"
377: "cpu family\t: %d\n"
378: "model\t\t: %d\n"
379: "model name\t: %s\n"
380: "stepping\t: ",
381: xcpu,
382: (char *)ci->ci_vendor,
1.9 msaitoh 383: CPUID_TO_FAMILY(ci->ci_signature),
384: CPUID_TO_MODEL(ci->ci_signature),
1.1 rmind 385: cpu_brand_string
386: );
1.6 christos 387: size += l;
388: if (l < left) {
389: left -= l;
390: p += l;
391: } else
392: left = 0;
1.1 rmind 393:
394: if (cpuid_level >= 0)
1.9 msaitoh 395: l = snprintf(p, left, "%d\n",
396: CPUID_TO_STEPPING(ci->ci_signature));
1.1 rmind 397: else
398: l = snprintf(p, left, "unknown\n");
399:
1.6 christos 400: size += l;
401: if (l < left) {
402: left -= l;
403: p += l;
404: } else
405: left = 0;
1.1 rmind 406:
407: if (ci->ci_data.cpu_cc_freq != 0) {
408: uint64_t freq, fraq;
409:
410: freq = (ci->ci_data.cpu_cc_freq + 4999) / 1000000;
411: fraq = ((ci->ci_data.cpu_cc_freq + 4999) / 10000) % 100;
1.8 msaitoh 412: l = snprintf(p, left, "cpu MHz\t\t: %" PRIu64 ".%02" PRIu64
413: "\n", freq, fraq);
1.1 rmind 414: } else
415: l = snprintf(p, left, "cpu MHz\t\t: unknown\n");
416:
1.6 christos 417: size += l;
418: if (l < left) {
419: left -= l;
420: p += l;
421: } else
422: left = 0;
1.1 rmind 423:
424: l = snprintf(p, left,
1.23.2.1 christos 425: "apicid\t\t: %lu\n"
426: "initial apicid\t: %u\n",
427: ci->ci_cpuid,
1.15 msaitoh 428: ci->ci_initapicid
429: );
430: size += l;
431: if (l < left) {
432: left -= l;
433: p += l;
434: } else
435: left = 0;
436:
437: l = snprintf(p, left,
438: #ifdef __i386__
1.1 rmind 439: "fdiv_bug\t: %s\n"
1.15 msaitoh 440: #endif
1.19 maya 441: "fpu\t\t: yes\n"
1.2 dsl 442: "fpu_exception\t: yes\n"
1.1 rmind 443: "cpuid level\t: %d\n"
444: "wp\t\t: %s\n"
1.15 msaitoh 445: "flags\t\t: %s\n"
446: "clflush size\t: %d\n",
447: #ifdef __i386__
1.3 dsl 448: i386_fpu_fdivbug ? "yes" : "no", /* an old pentium */
1.15 msaitoh 449: #endif
1.18 msaitoh 450: ci->ci_max_cpuid,
1.1 rmind 451: (rcr0() & CR0_WP) ? "yes" : "no",
1.15 msaitoh 452: featurebuf,
453: ci->ci_cflush_lsize
1.1 rmind 454: );
1.6 christos 455: size += l;
1.1 rmind 456:
1.6 christos 457: left = *len;
458: *len = size;
459: return left < *len ? -1 : 0;
1.1 rmind 460: }
461:
462: #if defined(__HAVE_PROCFS_MACHDEP) && !defined(__x86_64__)
463:
464: void
465: procfs_machdep_allocvp(struct vnode *vp)
466: {
467: struct pfsnode *pfs = vp->v_data;
468:
469: switch (pfs->pfs_type) {
470: case Pmachdep_xmmregs:
471: /* /proc/N/xmmregs = -rw------- */
472: pfs->pfs_mode = S_IRUSR|S_IWUSR;
473: vp->v_type = VREG;
474: break;
475: default:
476: KASSERT(false);
477: }
478: }
479:
480: int
481: procfs_machdep_rw(struct lwp *curl, struct lwp *l, struct pfsnode *pfs,
482: struct uio *uio)
483: {
484:
485: switch (pfs->pfs_type) {
486: case Pmachdep_xmmregs:
487: return (procfs_machdep_doxmmregs(curl, l, pfs, uio));
488: default:
489: KASSERT(false);
490: }
491: return EINVAL;
492: }
493:
494: int
495: procfs_machdep_getattr(struct vnode *vp, struct vattr *vap, struct proc *procp)
496: {
497: struct pfsnode *pfs = VTOPFS(vp);
498:
499: switch (pfs->pfs_type) {
500: case Pmachdep_xmmregs:
501: vap->va_bytes = vap->va_size = sizeof(struct xmmregs);
502: break;
503: default:
504: KASSERT(false);
505: }
506: return 0;
507: }
508:
509: int
510: procfs_machdep_doxmmregs(struct lwp *curl, struct lwp *l,
511: struct pfsnode *pfs, struct uio *uio)
512: {
513:
514: return process_machdep_doxmmregs(curl, l, uio);
515: }
516:
517: int
518: procfs_machdep_validxmmregs(struct lwp *l, struct mount *mp)
519: {
520:
521: return process_machdep_validxmmregs(l->l_proc);
522: }
523:
524: #endif
CVSweb <webmaster@jp.NetBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to procfs_machdep.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [cvs.NetBSD.org] / src / sys / arch / x86 / x86