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authorPeter Stuge <peter@stuge.se>2009-10-17 15:01:00 +0000
committerPeter Stuge <peter@stuge.se>2009-10-17 15:01:00 +0000
commitd08be7eecdfd3ee5adff11341a4b7510e7d004dd (patch)
treeb7a71af2b846b8ef85cd5a2d0edd407eb9aeb0d1 /src/cpu/x86/sse_enable.inc
parent0bc615482e34af308712be970479aeb613f5fa41 (diff)
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Move files from src/cpu/x86/{fpu,mmx,sse}/ to x86/
Signed-off-by: Peter Stuge <peter@stuge.se> Acked-by: Myles Watson <mylesgw@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4803 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/x86/sse_enable.inc')
-rw-r--r--src/cpu/x86/sse_enable.inc14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/cpu/x86/sse_enable.inc b/src/cpu/x86/sse_enable.inc
new file mode 100644
index 000000000000..95724b71f770
--- /dev/null
+++ b/src/cpu/x86/sse_enable.inc
@@ -0,0 +1,14 @@
+ /* preserve BIST in %eax */
+ movl %eax, %ebp
+
+ /*
+ * Enable the use of the xmm registers
+ */
+
+ /* Enable sse instructions */
+ movl %cr4, %eax
+ orl $(1<<9), %eax
+ movl %eax, %cr4
+
+ movl %ebp, %eax
+