* now init SSE on all CPUs, as I noted cr4 wasn't set correctly

* this fixes the use of SSE instructions here on a dual core.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29051 a95241bf-73f2-0310-859d-f6bbb57e9c96

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

@@ -213,7 +213,7 @@ x86_get_mtrr(uint32 index, uint64 *_base, uint64 *_length, uint8 *_type)
 }
 
 
-static void
+extern "C" void
 init_sse(void)
 {
 	if (!x86_check_feature(IA32_FEATURE_SSE, FEATURE_COMMON)

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

@@ -42,6 +42,7 @@ static uint32 sCPUOSIds[B_MAX_CPU_COUNT];
 static uint32 sAPICVersions[B_MAX_CPU_COUNT];
 
 extern bool gUsingIOAPIC;
+extern void init_sse(void);
 
 static uint32
 apic_read(uint32 offset)
@@ -196,6 +197,8 @@ arch_smp_per_cpu_init(kernel_args *args, int32 cpu)
 	TRACE(("arch_smp_init_percpu: setting up the apic on cpu %ld\n", cpu));
 	setup_apic(args, cpu);
 
+	init_sse();
+
 	return B_OK;
 }