/*
* Debug level, exported for io_apic.c
*/
-int apic_verbosity;
+unsigned int apic_verbosity;
int pic_mode;
*/
void __cpuinit enable_NMI_through_LVT0(void)
{
- unsigned int v = APIC_DM_NMI;
+ unsigned int v;
+
+ /* unmask and set to NMI */
+ v = APIC_DM_NMI;
- /* Level triggered for 82489DX */
+ /* Level triggered for 82489DX (32bit mode) */
if (!lapic_is_integrated())
v |= APIC_LVT_LEVEL_TRIGGER;
+
apic_write(APIC_LVT0, v);
}
*/
int lapic_get_maxlvt(void)
{
- unsigned int v = apic_read(APIC_LVR);
+ unsigned int v;
- /* 82489DXs do not report # of LVT entries. */
+ v = apic_read(APIC_LVR);
+ /*
+ * - we always have APIC integrated on 64bit mode
+ * - 82489DXs do not report # of LVT entries
+ */
return APIC_INTEGRATED(GET_APIC_VERSION(v)) ? GET_APIC_MAXLVT(v) : 2;
}
int __init APIC_init_uniprocessor(void)
{
- if (disable_apic)
- clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
-
if (!smp_found_config && !cpu_has_apic)
return -1;
static int __init parse_nolapic(char *arg)
{
disable_apic = 1;
- clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
+ setup_clear_cpu_cap(X86_FEATURE_APIC);
return 0;
}
early_param("nolapic", parse_nolapic);