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Diffstat (limited to 'arch/x86/cpu/qemu/car.S')
-rw-r--r--arch/x86/cpu/qemu/car.S26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/cpu/qemu/car.S b/arch/x86/cpu/qemu/car.S
new file mode 100644
index 0000000000..13b3aea3ff
--- /dev/null
+++ b/arch/x86/cpu/qemu/car.S
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+#include <asm/post.h>
+
+.globl car_init
+car_init:
+ /* Save the BIST result */
+ movl %eax, %ebp
+
+ post_code(POST_CAR_START)
+
+ /*
+ * Since we know we are running inside emulator,
+ * we can do nothing here for CAR initialization.
+ */
+
+ /* Restore the BIST result */
+ movl %ebp, %eax
+
+ post_code(POST_CAR_CPU_CACHE)
+ jmp car_init_ret
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