summaryrefslogtreecommitdiff
path: root/src/cpu/intel/microcode
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu/intel/microcode')
-rw-r--r--src/cpu/intel/microcode/microcode.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/src/cpu/intel/microcode/microcode.c b/src/cpu/intel/microcode/microcode.c
index 88435cc9b5..3492bfd6c9 100644
--- a/src/cpu/intel/microcode/microcode.c
+++ b/src/cpu/intel/microcode/microcode.c
@@ -109,25 +109,29 @@ void intel_microcode_load_unlocked(const void *microcode_patch)
const void *intel_microcode_find(void)
{
- struct cbfs_file *microcode_file;
const struct microcode *ucode_updates;
- u32 eax, microcode_len;
+ size_t microcode_len;
+ u32 eax;
u32 pf, rev, sig, update_size;
unsigned int x86_model, x86_family;
msr_t msr;
#ifdef __PRE_RAM__
- microcode_file = walkcbfs_head((char *) MICROCODE_CBFS_FILE);
-#else
- microcode_file = cbfs_get_file(CBFS_DEFAULT_MEDIA,
- MICROCODE_CBFS_FILE);
-#endif
+ struct cbfs_file *microcode_file;
+ microcode_file = walkcbfs_head((char *) MICROCODE_CBFS_FILE);
if (!microcode_file)
return NULL;
ucode_updates = CBFS_SUBHEADER(microcode_file);
microcode_len = ntohl(microcode_file->len);
+#else
+ ucode_updates = cbfs_boot_map_with_leak(MICROCODE_CBFS_FILE,
+ CBFS_TYPE_MICROCODE,
+ &microcode_len);
+ if (ucode_updates == NULL)
+ return NULL;
+#endif
/* CPUID sets MSR 0x8B iff a microcode update has been loaded. */
msr.lo = 0;