diff options
| author | aiju <devnull@localhost> | 2017-06-12 19:36:52 +0000 |
|---|---|---|
| committer | aiju <devnull@localhost> | 2017-06-12 19:36:52 +0000 |
| commit | dae0f4d28d3ffa312cab5d751045b1bbab1d897d (patch) | |
| tree | cc2eb15778ea3a2219976eeb961753d893fe32d8 /sys/src/cmd/aux/cpuid.c | |
| parent | 744a4a8270d076a5fe3d18c40b80012f1066245a (diff) | |
aux/cpuid: decode family and model bitfields
Diffstat (limited to 'sys/src/cmd/aux/cpuid.c')
| -rw-r--r-- | sys/src/cmd/aux/cpuid.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/src/cmd/aux/cpuid.c b/sys/src/cmd/aux/cpuid.c index 632add489..122870242 100644 --- a/sys/src/cmd/aux/cpuid.c +++ b/sys/src/cmd/aux/cpuid.c @@ -71,6 +71,7 @@ void func1(ulong) { Res r; + int family, model; static char *bitsdx[32] = { [0] "fpu", "vme", "de", "pse", [4] "tsc", "msr", "pae", "mce", @@ -94,6 +95,13 @@ func1(ulong) r = cpuid(1, 0); Bprint(out, "procmodel %.8ulx / %.8ulx\n", r.ax, r.bx); + family = r.ax >> 8 & 0xf; + model = r.ax >> 8 & 0xf; + if(family == 15) + family += r.ax >> 20 & 0xff; + if(family == 6 || family == 15) + model += r.ax >> 12 & 0xf0; + Bprint(out, "typefammod %.1x %.2x %.3x %.1x\n", (int)(r.ax >> 12 & 3), family, model, (int)(r.ax & 0xf)); printbits("features", r.dx, bitsdx); printbits("features", r.cx, bitscx); } |