patch-2.1.92 linux/include/asm-alpha/smp.h

• Lines: 53
• Date: Mon Mar 30 00:21:41 1998
• Orig file: v2.1.91/linux/include/asm-alpha/smp.h
• Orig date: Fri Jan 30 11:28:09 1998

diff -u --recursive --new-file v2.1.91/linux/include/asm-alpha/smp.h linux/include/asm-alpha/smp.h
@@ -3,6 +3,51 @@
 
 #define cpu_logical_map(cpu)	(cpu)
 
-/* We'll get here eventually.. */
+#ifdef __SMP__
+
+#include <linux/tasks.h>
+
+struct cpuinfo_alpha {
+	unsigned long loops_per_sec;
+	unsigned int next;
+};
+
+extern struct cpuinfo_alpha cpu_data[NR_CPUS];
+
+typedef volatile struct {
+  unsigned int kernel_flag; /* 4 bytes, please */
+  unsigned int akp; /* 4 bytes, please */
+  unsigned long pc;
+  unsigned int cpu;
+} klock_info_t;
+
+extern klock_info_t klock_info;
+
+#define KLOCK_HELD	0xff
+#define KLOCK_CLEAR	0x00
+
+extern int task_lock_depth;
+
+#define PROC_CHANGE_PENALTY     20
+
+extern __volatile__ int cpu_number_map[NR_CPUS];
+
+/* HACK: Cabrio WHAMI return value is bogus if more than 8 bits used.. :-( */
+#define hard_smp_processor_id() \
+({ \
+	register unsigned char __r0 __asm__("$0"); \
+	__asm__ __volatile__( \
+		"call_pal %0" \
+		: /* no output (bound to the template) */ \
+		:"i" (PAL_whami) \
+		:"$0", "$1", "$22", "$23", "$24", "$25", "memory"); \
+	__r0; \
+})
+
+#define smp_processor_id() hard_smp_processor_id()
+
+#endif /* __SMP__ */
+
+#define NO_PROC_ID	(-1)
 
 #endif