diff options
| author | Till Straumann <strauman@slac.stanford.edu> | 2009-10-28 21:40:14 +0000 |
|---|---|---|
| committer | Till Straumann <strauman@slac.stanford.edu> | 2009-10-28 21:40:14 +0000 |
| commit | caf761f0d332735decc2b27c269238684221168e (patch) | |
| tree | 198e5ab455c7546e87ffa44d4ea90e413554bf4d /c/src/lib/libcpu/i386/cpuModel.S | |
| parent | New. (diff) | |
| download | rtems-caf761f0d332735decc2b27c269238684221168e.tar.bz2 | |
2009-10-28 Till Straumann <strauman@slac.stanford.edu>
* cpuModel.S, cpuModel.h, displayCpu.c: Save/cache CPUID:ECX
(extended capabilities) in a new variable (x86_capability_x).
Added more known flag description strings (printCpuInfo())
and let 'printCpuInfo()' dump the extended feature flags, too.
Diffstat (limited to 'c/src/lib/libcpu/i386/cpuModel.S')
| -rw-r--r-- | c/src/lib/libcpu/i386/cpuModel.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/i386/cpuModel.S b/c/src/lib/libcpu/i386/cpuModel.S index 72520aa5b8..74fffd31d2 100644 --- a/c/src/lib/libcpu/i386/cpuModel.S +++ b/c/src/lib/libcpu/i386/cpuModel.S @@ -95,6 +95,7 @@ isnew: */ movl $1, eax cpuid + movl ecx,SYM(x86_capability_x) /* store ecx feature flags */ movb al, cl /* save reg for future use */ @@ -234,6 +235,7 @@ BEGIN_DATA PUBLIC(x86_model) PUBLIC(x86_mask) PUBLIC(x86_capability) + PUBLIC(x86_capability_x) PUBLIC(x86_vendor_id) PUBLIC(hard_math) @@ -247,6 +249,8 @@ SYM(x86_mask): .byte 0 SYM(x86_capability): .long 0 +SYM(x86_capability_x): + .long 0 SYM(x86_vendor_id): .zero 13 SYM(hard_math): |