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-rw-r--r--src/soc/intel/common/block/cpu/car/cache_as_ram.S11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cpu/car/cache_as_ram.S b/src/soc/intel/common/block/cpu/car/cache_as_ram.S
index 5af1fc65c1..167342f12e 100644
--- a/src/soc/intel/common/block/cpu/car/cache_as_ram.S
+++ b/src/soc/intel/common/block/cpu/car/cache_as_ram.S
@@ -9,6 +9,7 @@
#include <rules.h>
#include <intelblocks/msr.h>
+.code32
.global bootblock_pre_c_entry
bootblock_pre_c_entry:
@@ -161,6 +162,15 @@ car_init_done:
/* Need to align stack to 16 bytes at call instruction. Account for
the two pushes below. */
andl $0xfffffff0, %esp
+
+#if ENV_X86_64
+ #include <cpu/x86/64bit/entry64.inc>
+ movd %mm2, %rdi
+ shlq $32, %rdi
+ movd %mm1, %rsi
+ or %rsi, %rdi
+ movd %mm0, %rsi
+#else
sub $8, %esp
/* push TSC value to stack */
@@ -168,6 +178,7 @@ car_init_done:
pushl %eax /* tsc[63:32] */
movd %mm1, %eax
pushl %eax /* tsc[31:0] */
+#endif
before_carstage:
post_code(0x2A)