diff options
| -rw-r--r-- | src/cpu/intel/microcode/microcode.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/cpu/intel/microcode/microcode.c b/src/cpu/intel/microcode/microcode.c index d908c25ec0..1991ed8472 100644 --- a/src/cpu/intel/microcode/microcode.c +++ b/src/cpu/intel/microcode/microcode.c @@ -21,6 +21,7 @@ /* Microcode update for Intel PIII and later CPUs */ #include <stdint.h> +#include <stddef.h> #if !defined(__ROMCC__) #include <console/console.h> #endif @@ -131,7 +132,7 @@ const void *intel_microcode_find(void) #endif if (!microcode_updates) - return microcode_updates; + return NULL; /* CPUID sets MSR 0x8B iff a microcode update has been loaded. */ msr.lo = 0; @@ -202,6 +203,13 @@ void intel_update_microcode(const void *microcode_updates) const char *c; msr_t msr; + if (!microcode_updates) { +#if !defined(__ROMCC__) + printk(BIOS_WARNING, "No microcode updates found.\n"); +#endif + return; + } + /* CPUID sets MSR 0x8B iff a microcode update has been loaded. */ msr.lo = 0; msr.hi = 0; |