Move the code which checks for disabled apic earlier (in the boot loader).

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@35741 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/boot/platform/bios_ia32/smp.cpp

@@ -394,6 +394,11 @@ smp_init_other_cpus(void)
 		gKernelArgs.num_cpus = 1;
 	}
 	
+	if (get_safemode_boolean(B_SAFEMODE_DISABLE_APIC, false)) {
+		TRACE(("local apic disabled per safemode setting\n"));
+		gKernelArgs.arch_args.apic_phys = 0;
+	}
+	
 	if (gKernelArgs.arch_args.apic_phys == 0)
 		return;
 

src/system/kernel/arch/x86/arch_int.cpp

@@ -553,12 +553,6 @@ ioapic_init(kernel_args *args)
 		return;
 	}
 
-	bool disableAPIC = get_safemode_boolean(B_SAFEMODE_DISABLE_APIC, false);
-	if (disableAPIC) {
-		args->arch_args.apic = NULL;
-		return;
-	}
-
 	// always map the local apic as it can be used for timers even if we
 	// don't end up using the io apic
 	sLocalAPIC = args->arch_args.apic;

src/system/kernel/arch/x86/arch_smp.cpp

@@ -61,13 +61,11 @@ apic_write(uint32 offset, uint32 data)
 static status_t
 setup_apic(kernel_args *args, int32 cpu)
 {
-	uint32 config;
-
 	TRACE(("setting up the APIC for CPU %ld...\n", cpu));
 	TRACE(("	apic id %ld, version %ld\n", apic_read(APIC_ID), apic_read(APIC_VERSION)));
 
 	/* set spurious interrupt vector to 0xff */
-	config = apic_read(APIC_SPURIOUS_INTR_VECTOR) & 0xffffff00;
+	uint32 config = apic_read(APIC_SPURIOUS_INTR_VECTOR) & 0xffffff00;
 	config |= APIC_ENABLE | 0xff;
 	apic_write(APIC_SPURIOUS_INTR_VECTOR, config);