diff options
Diffstat (limited to 'i386/i386/locore.S')
| -rw-r--r-- | i386/i386/locore.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/i386/i386/locore.S b/i386/i386/locore.S index db8fb18..300c8c3 100644 --- a/i386/i386/locore.S +++ b/i386/i386/locore.S @@ -1136,6 +1136,11 @@ syscall_addr: jmp _take_trap /* treat as a trap */ + .data +DATA(cpu_features) + .long 0 + .text + /* Discover what kind of cpu we have; return the family number (3, 4, 5, 6, for 386, 486, 586, 686 respectively). */ ENTRY(discover_x86_cpu_type) @@ -1172,6 +1177,7 @@ ENTRY(discover_x86_cpu_type) use it to find out what we are. */ 0: movl $1,%eax /* Fetch CPU type info ... */ cpuid /* ... into eax */ + movl %edx,cpu_features /* Keep a copy */ shrl $8,%eax /* Slide family bits down */ andl $15,%eax /* And select them */ |