patch-1.3.4 linux/arch/sparc/kernel/c_mp.c

• Lines: 48
• Date: Tue Jun 13 10:41:52 1995
• Orig file: v1.3.3/linux/arch/sparc/kernel/c_mp.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.3/linux/arch/sparc/kernel/c_mp.c linux/arch/sparc/kernel/c_mp.c
@@ -0,0 +1,47 @@
+/* mp.c:  SMP cpu idling and dispatch on the Sparc.
+ *
+ * Copyright (C) 1995 David S. Miller
+ */
+
+#include <asm/mp.h>
+#include <asm/mbus.h>
+
+struct sparc_percpu *percpu_table;
+
+void
+sparc_cpu_init(void)
+{
+	/* We now have our per-cpu mappings ok, and we should
+	 * be good to go.
+	 */
+
+	/* Do cache crap here. */
+
+	/* CPU initted, idle the puppy. */
+
+	return;
+}
+
+extern thiscpus_mid;
+
+void
+sparc_cpu_idle(void)
+{
+	int cpuid;
+
+/*	cpuid = get_cpuid(); */
+	cpuid = (thiscpus_mid&(~8));
+/*	printk("SMP: cpu%d has entered idle loop", cpuid); */
+
+	/* Say that we exist and set up. */
+	percpu_table[cpuid].cpuid = cpuid;
+	percpu_table[cpuid].cpu_is_alive = 0x1;
+	percpu_table[cpuid].cpu_is_idling = 0x1;
+
+	/* Let other cpus catch up. */
+	while(linux_smp_still_initting) ;
+	printk("cpu%d done spinning\n", get_cpuid());
+	for(;;) ;  /* Do something useful here... */
+
+	return;
+}