#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
+#include <pci/pci.h>
#include "msrtool.h"
const struct sysdef *sys = NULL;
uint8_t reserved = 0, verbose = 0, quiet = 0;
+struct pci_access *pacc = NULL;
+
static struct targetdef alltargets[] = {
+ { "geodegx2", "AMD Geode(tm) GX2", geodegx2_probe, geodegx2_msrs },
{ "geodelx", "AMD Geode(tm) LX", geodelx_probe, geodelx_msrs },
{ "cs5536", "AMD Geode(tm) CS5536", cs5536_probe, cs5536_msrs },
+ { "K8", "AMD K8 Family", k8_probe, k8_msrs },
+ { "intel_pentium3_early", "Intel Pentium III family", intel_pentium3_early_probe, intel_pentium3_early_msrs },
+ { "intel_pentium3", "Intel Pentium III Xeon Processor, Intel Pentium III Processor", intel_pentium3_probe, intel_pentium3_msrs },
+ { "intel_core1", "Intel Core Duo, Intel Core Solo processors", intel_core1_probe, intel_core1_msrs },
+ { "intel_core2_early", "Intel Xeon Processor 3000, 3200, 5100, 5300, 7300 series, Intel Core 2 Quad processor 6000 series, Intel Core 2 Extreme 6000 series, Intel Core 2 Duo 4000, 5000, 6000, 7000 series processors, Intel Pentium dual-core processors", intel_core2_early_probe, intel_core2_early_msrs },
+ { "intel_core2_later", "Intel Xeon Processor 5200, 5400 series, Intel Core 2 Quad processors 8000, 9000 series", intel_core2_later_probe, intel_core2_later_msrs },
+ { "intel_pentium4_early", "Intel Xeon Processor, Intel Xeon Processor MP, Intel Pentium 4 processors", intel_pentium4_early_probe, intel_pentium4_early_msrs },
+ { "intel_pentium4_later", "Intel Xeon Processor, Intel Xeon Processor MP, Intel Pentium 4, Pentium D processors", intel_pentium4_later_probe, intel_pentium4_later_msrs },
{ TARGET_EOT }
};
static struct sysdef allsystems[] = {
{ "linux", "Linux with /dev/cpu/*/msr", linux_probe, linux_open, linux_close, linux_rdmsr },
+ { "darwin", "Mac OS X with DirectHW", darwin_probe, darwin_open, darwin_close, darwin_rdmsr },
+ { "freebsd", "FreeBSD with /dev/cpuctl*", freebsd_probe, freebsd_open, freebsd_close, freebsd_rdmsr },
{ SYSTEM_EOT }
};
return targets;
}
+static int found_system() {
+ if (!sys || (sys && !sys->name)) {
+ fprintf(stderr, "Unable to detect the current operating system!\n");
+ fprintf(stderr, "On Linux, please run 'modprobe msr' and try again.\n");
+ fprintf(stderr, "Please send a report or patch to coreboot@coreboot.org. Thanks for your help!\n");
+ fprintf(stderr, "\n");
+ }
+ return (sys && sys->name);
+}
+
int do_stream(const char *streamfn, uint8_t ignoreinput) {
char tmpfn[20], line[256];
uint8_t tn;
}
}
+ if (!found_system())
+ goto done;
if (!sys->open(cpu, SYS_RDONLY))
goto done;
if (ignoreinput) {
}
int do_diff(const char *difffn) {
- char tmpfn[20], line[512];
- size_t start, len;
- int ret = 1, tmp;
+ char tmpfn[20], line[512], *m1start, *m2start;
+ size_t len;
+ int ret = 1, tmp, m1pos, sys_opened = 0;
FILE *fin = NULL, *fout = stdout;
uint8_t rev = 0;
uint32_t addr, linenum;
- struct msr mf = MSR1(0), mhw = MSR1(0);
+ struct msr m1 = MSR1(0), m2 = MSR1(0);
if (':' == difffn[0]) {
rev = 1;
return 1;
}
- if (!sys->open(cpu, SYS_RDONLY))
- goto done;
for (linenum = 1; NULL != fgets(line, sizeof(line), fin); ++linenum) {
- start = (0 == strncmp("0x", line, 2)) ? 2 : 0;
- if (sscanf(line + start, "%8x %n%*x", &addr, &tmp) >= 1) {
- start += tmp;
- for (len = strlen(line) - 1; NULL != strchr("\r\n", line[len]); --len)
- line[len] = 0;
- if (!str2msr(line + start, &mf)) {
- fprintf(stderr, "%s:%d: invalid MSR value '%s'\n", difffn, linenum, line + start);
- continue;
+ tmp = strncmp("0x", line, 2) ? 0 : 2;
+ if (sscanf(line + tmp, "%8x %n%*x", &addr, &m1pos) < 1)
+ continue;
+ m1start = line + tmp + m1pos;
+ for (len = strlen(m1start) - 1; NULL != strchr("\r\n", m1start[len]); --len)
+ m1start[len] = 0;
+ if (!str2msr(m1start, &m1, &m2start)) {
+ fprintf(stderr, "%s:%d: invalid MSR1 value '%s'\n", difffn, linenum, m1start);
+ continue;
+ }
+ while (' ' == *m2start)
+ ++m2start;
+ if (!str2msr(m2start, &m2, NULL)) {
+ fprintf(stderr, "%s:%d: invalid MSR2 value '%s' - reading from hardware!\n", difffn, linenum, m2start);
+ if (!sys_opened) {
+ if (!found_system())
+ goto done;
+ sys_opened = sys->open(cpu, SYS_RDONLY);
+ if (!sys_opened)
+ goto done;
}
- if (!sys->rdmsr(cpu, addr, &mhw))
+ if (!sys->rdmsr(cpu, addr, &m2))
goto done;
- if (diff_msr(fout, addr, rev ? mhw : mf, rev ? mf : mhw))
- fprintf(fout, "\n");
}
+ if (diff_msr(fout, addr, rev ? m2 : m1, rev ? m1 : m2))
+ fprintf(fout, "\n");
}
if (!feof(fin))
fprintf(stderr, "%s:%d: fgets: %s\n", difffn, linenum, strerror(errno));
else
ret = 0;
done:
- sys->close(cpu);
+ if (sys_opened)
+ sys->close(cpu);
if (strcmp(difffn, "-")) {
if (ret)
unlink(tmpfn);
break;
case 'i':
input = 1;
- addr = strtoul(optarg, NULL, 16);
+ addr = msraddrbyname(optarg);
optarg = strchr(optarg, '=');
if (NULL == optarg) {
fprintf(stderr, "missing value in -i argument!\n");
break;
}
- if (!str2msr(++optarg, &msrval))
+ if (!str2msr(++optarg, &msrval, NULL))
fprintf(stderr, "invalid value in -i argument!\n");
break;
case 's':
printf_quiet("msrtool %s\n", VERSION);
+ pacc = pci_alloc();
+ if (NULL == pacc) {
+ fprintf(stderr, "Could not initialize PCI library! pci_alloc() failed.\n");
+ return 1;
+ }
+ pci_init(pacc);
+ pci_scan_bus(pacc);
+
if (!sys && !input && !listknown)
for (sys = allsystems; !SYSTEM_ISEOT(*sys); sys++) {
printf_verbose("Probing for system %s: %s\n", sys->name, sys->prettyname);
if (targets)
for (tn = 0; tn < targets_found; tn++)
printf_quiet("Forced target %s: %s\n", targets[tn]->name, targets[tn]->prettyname);
- else
+ else
for (t = alltargets; !TARGET_ISEOT(*t); t++) {
printf_verbose("Probing for target %s: %s\n", t->name, t->prettyname);
if (!t->probe(t))
return 0;
}
- if (sys && !sys->name) {
- fprintf(stderr, "Unable to detect the current operating system!\n");
- fprintf(stderr, "Please send a report or patch to coreboot@coreboot.org. Thanks for your help!\n");
- fprintf(stderr, "\n");
- }
-
if (!targets_found || !targets) {
fprintf(stderr, "Unable to detect a known target; can not decode any MSRs! (Use -t to force)\n");
fprintf(stderr, "Please send a report or patch to coreboot@coreboot.org. Thanks for your help!\n");
return 0;
}
- if (sys && !sys->name)
- return 1;
-
if (listmsrs) {
if (streamfn)
return do_stream(streamfn, 1);
if (streamfn)
return do_stream(streamfn, 0);
- if (!sys->open(cpu, SYS_RDONLY))
- return 1;
-
if (difffn) {
ret = do_diff(difffn);
goto done;
goto done;
}
+ if (!found_system())
+ return 1;
+ if (!sys->open(cpu, SYS_RDONLY))
+ return 1;
+
for (; optind < argc; optind++) {
- addr = strtoul(argv[optind], NULL, 16);
+ addr = msraddrbyname(argv[optind]);
if (!sys->rdmsr(cpu, addr, &msrval))
break;
decodemsr(cpu, addr, msrval);
projects / coreboot.git / blobdiff