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-rw-r--r--arch/x86/cpu/cpu.c1
-rw-r--r--arch/x86/cpu/intel_common/car.S2
-rw-r--r--arch/x86/cpu/mp_init.c6
3 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index 7dfe071..233a6c8 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -27,6 +27,7 @@
#include <asm/control_regs.h>
#include <asm/cpu.h>
#include <asm/lapic.h>
+#include <asm/microcode.h>
#include <asm/mp.h>
#include <asm/msr.h>
#include <asm/mtrr.h>
diff --git a/arch/x86/cpu/intel_common/car.S b/arch/x86/cpu/intel_common/car.S
index 81ac976..6e0db96 100644
--- a/arch/x86/cpu/intel_common/car.S
+++ b/arch/x86/cpu/intel_common/car.S
@@ -237,5 +237,7 @@ mtrr_table_end:
.align 4
_dt_ucode_base_size:
/* These next two fields are filled in by ifdtool */
+.globl ucode_base
+ucode_base: /* Declared in microcode.h */
.long 0 /* microcode base */
.long 0 /* microcode size */
diff --git a/arch/x86/cpu/mp_init.c b/arch/x86/cpu/mp_init.c
index 4cc6555..2604a68 100644
--- a/arch/x86/cpu/mp_init.c
+++ b/arch/x86/cpu/mp_init.c
@@ -248,8 +248,10 @@ static int load_sipi_vector(atomic_t **ap_countp, int num_cpus)
if (!stack)
return -ENOMEM;
params->stack_top = (u32)(stack + size);
-
- params->microcode_ptr = 0;
+#if !defined(CONFIG_QEMU) && !defined(CONFIG_HAVE_FSP)
+ params->microcode_ptr = ucode_base;
+ debug("Microcode at %x\n", params->microcode_ptr);
+#endif
params->msr_table_ptr = (u32)msr_save;
ret = save_bsp_msrs(msr_save, sizeof(msr_save));
if (ret < 0)