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Diffstat (limited to 'arch/x86/boot/cpu.c')
-rw-r--r--arch/x86/boot/cpu.c68
1 files changed, 41 insertions, 27 deletions
diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c
index 6ec6bb6e9957..29207f69ae8c 100644
--- a/arch/x86/boot/cpu.c
+++ b/arch/x86/boot/cpu.c
@@ -16,7 +16,9 @@
*/
#include "boot.h"
+#ifdef CONFIG_X86_FEATURE_NAMES
#include "cpustr.h"
+#endif
static char *cpu_name(int level)
{
@@ -32,11 +34,48 @@ static char *cpu_name(int level)
}
}
+static void show_cap_strs(u32 *err_flags)
+{
+ int i, j;
+#ifdef CONFIG_X86_FEATURE_NAMES
+ const unsigned char *msg_strs = (const unsigned char *)x86_cap_strs;
+ for (i = 0; i < NCAPINTS; i++) {
+ u32 e = err_flags[i];
+ for (j = 0; j < 32; j++) {
+ if (msg_strs[0] < i ||
+ (msg_strs[0] == i && msg_strs[1] < j)) {
+ /* Skip to the next string */
+ msg_strs += 2;
+ while (*msg_strs++)
+ ;
+ }
+ if (e & 1) {
+ if (msg_strs[0] == i &&
+ msg_strs[1] == j &&
+ msg_strs[2])
+ printf("%s ", msg_strs+2);
+ else
+ printf("%d:%d ", i, j);
+ }
+ e >>= 1;
+ }
+ }
+#else
+ for (i = 0; i < NCAPINTS; i++) {
+ u32 e = err_flags[i];
+ for (j = 0; j < 32; j++) {
+ if (e & 1)
+ printf("%d:%d ", i, j);
+ e >>= 1;
+ }
+ }
+#endif
+}
+
int validate_cpu(void)
{
u32 *err_flags;
int cpu_level, req_level;
- const unsigned char *msg_strs;
check_cpu(&cpu_level, &req_level, &err_flags);
@@ -49,34 +88,9 @@ int validate_cpu(void)
}
if (err_flags) {
- int i, j;
puts("This kernel requires the following features "
"not present on the CPU:\n");
-
- msg_strs = (const unsigned char *)x86_cap_strs;
-
- for (i = 0; i < NCAPINTS; i++) {
- u32 e = err_flags[i];
-
- for (j = 0; j < 32; j++) {
- if (msg_strs[0] < i ||
- (msg_strs[0] == i && msg_strs[1] < j)) {
- /* Skip to the next string */
- msg_strs += 2;
- while (*msg_strs++)
- ;
- }
- if (e & 1) {
- if (msg_strs[0] == i &&
- msg_strs[1] == j &&
- msg_strs[2])
- printf("%s ", msg_strs+2);
- else
- printf("%d:%d ", i, j);
- }
- e >>= 1;
- }
- }
+ show_cap_strs(err_flags);
putchar('\n');
return -1;
} else {