blob: f565775ed89956b0f89365fe3f56522c4a9ba2b2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
/* Store the initial timestamp for booting in mmx registers. This works
* because the bootblock isn't being compiled with MMX support so mm0 and
* mm1 will be preserved into romstage. */
.code32
.global stash_timestamp
stash_timestamp:
/* Save the BIST value */
movl %eax, %ebp
finit
rdtsc
movd %eax, %mm0
movd %edx, %mm1
/* Restore the BIST value to %eax */
movl %ebp, %eax
|