dirty fix to merging

1 files changed, 189 insertions, 0 deletions

diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
new file mode 100644
index 00000000..01c51c70
--- /dev/null
+++ b/arch/sparc/include/asm/smp_32.h
@@ -0,0 +1,189 @@
+/* smp.h: Sparc specific SMP stuff.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#ifndef _SPARC_SMP_H
+#define _SPARC_SMP_H
+
+#include <linux/threads.h>
+#include <asm/head.h>
+#include <asm/btfixup.h>
+
+#ifndef __ASSEMBLY__
+
+#include <linux/cpumask.h>
+
+#endif /* __ASSEMBLY__ */
+
+#ifdef CONFIG_SMP
+
+#ifndef __ASSEMBLY__
+
+#include <asm/ptrace.h>
+#include <asm/asi.h>
+#include <linux/atomic.h>
+
+/*
+ *	Private routines/data
+ */
+
+extern unsigned char boot_cpu_id;
+extern volatile unsigned long cpu_callin_map[NR_CPUS];
+extern cpumask_t smp_commenced_mask;
+extern struct linux_prom_registers smp_penguin_ctable;
+
+typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long,
+		       unsigned long, unsigned long);
+
+void cpu_panic(void);
+extern void smp4m_irq_rotate(int cpu);
+
+/*
+ *	General functions that each host system must provide.
+ */
+
+void sun4m_init_smp(void);
+void sun4d_init_smp(void);
+
+void smp_callin(void);
+void smp_boot_cpus(void);
+void smp_store_cpu_info(int);
+
+void smp_resched_interrupt(void);
+void smp_call_function_single_interrupt(void);
+void smp_call_function_interrupt(void);
+
+struct seq_file;
+void smp_bogo(struct seq_file *);
+void smp_info(struct seq_file *);
+
+BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, cpumask_t, unsigned long, unsigned long, unsigned long, unsigned long)
+BTFIXUPDEF_CALL(int, __hard_smp_processor_id, void)
+BTFIXUPDEF_CALL(void, smp_ipi_resched, int);
+BTFIXUPDEF_CALL(void, smp_ipi_single, int);
+BTFIXUPDEF_CALL(void, smp_ipi_mask_one, int);
+BTFIXUPDEF_BLACKBOX(hard_smp_processor_id)
+BTFIXUPDEF_BLACKBOX(load_current)
+
+#define smp_cross_call(func,mask,arg1,arg2,arg3,arg4) BTFIXUP_CALL(smp_cross_call)(func,mask,arg1,arg2,arg3,arg4)
+
+static inline void xc0(smpfunc_t func) { smp_cross_call(func, *cpu_online_mask, 0, 0, 0, 0); }
+static inline void xc1(smpfunc_t func, unsigned long arg1)
+{ smp_cross_call(func, *cpu_online_mask, arg1, 0, 0, 0); }
+static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2)
+{ smp_cross_call(func, *cpu_online_mask, arg1, arg2, 0, 0); }
+static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2,
+			   unsigned long arg3)
+{ smp_cross_call(func, *cpu_online_mask, arg1, arg2, arg3, 0); }
+static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2,
+			   unsigned long arg3, unsigned long arg4)
+{ smp_cross_call(func, *cpu_online_mask, arg1, arg2, arg3, arg4); }
+
+extern void arch_send_call_function_single_ipi(int cpu);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+
+static inline int cpu_logical_map(int cpu)
+{
+	return cpu;
+}
+
+static inline int hard_smp4m_processor_id(void)
+{
+	int cpuid;
+
+	__asm__ __volatile__("rd %%tbr, %0\n\t"
+			     "srl %0, 12, %0\n\t"
+			     "and %0, 3, %0\n\t" :
+			     "=&r" (cpuid));
+	return cpuid;
+}
+
+static inline int hard_smp4d_processor_id(void)
+{
+	int cpuid;
+
+	__asm__ __volatile__("lda [%%g0] %1, %0\n\t" :
+			     "=&r" (cpuid) : "i" (ASI_M_VIKING_TMP1));
+	return cpuid;
+}
+
+extern inline int hard_smpleon_processor_id(void)
+{
+	int cpuid;
+	__asm__ __volatile__("rd     %%asr17,%0\n\t"
+			     "srl    %0,28,%0" :
+			     "=&r" (cpuid) : );
+	return cpuid;
+}
+
+#ifndef MODULE
+static inline int hard_smp_processor_id(void)
+{
+	int cpuid;
+
+	/* Black box - sun4m
+		__asm__ __volatile__("rd %%tbr, %0\n\t"
+				     "srl %0, 12, %0\n\t"
+				     "and %0, 3, %0\n\t" :
+				     "=&r" (cpuid));
+	             - sun4d
+		__asm__ __volatile__("lda [%g0] ASI_M_VIKING_TMP1, %0\n\t"
+				     "nop; nop" :
+				     "=&r" (cpuid));
+		     - leon
+		__asm__ __volatile__(	"rd %asr17, %0\n\t"
+					"srl %0, 0x1c, %0\n\t"
+					"nop\n\t" :
+					"=&r" (cpuid));
+	   See btfixup.h and btfixupprep.c to understand how a blackbox works.
+	 */
+	__asm__ __volatile__("sethi %%hi(___b_hard_smp_processor_id), %0\n\t"
+			     "sethi %%hi(boot_cpu_id), %0\n\t"
+			     "ldub [%0 + %%lo(boot_cpu_id)], %0\n\t" :
+			     "=&r" (cpuid));
+	return cpuid;
+}
+#else
+static inline int hard_smp_processor_id(void)
+{
+	int cpuid;
+
+	__asm__ __volatile__("mov %%o7, %%g1\n\t"
+			     "call ___f___hard_smp_processor_id\n\t"
+			     " nop\n\t"
+			     "mov %%g2, %0\n\t" : "=r"(cpuid) : : "g1", "g2");
+	return cpuid;
+}
+#endif
+
+#define raw_smp_processor_id()		(current_thread_info()->cpu)
+
+#define prof_multiplier(__cpu)		cpu_data(__cpu).multiplier
+#define prof_counter(__cpu)		cpu_data(__cpu).counter
+
+void smp_setup_cpu_possible_map(void);
+
+#endif /* !(__ASSEMBLY__) */
+
+/* Sparc specific messages. */
+#define MSG_CROSS_CALL         0x0005       /* run func on cpus */
+
+/* Empirical PROM processor mailbox constants.  If the per-cpu mailbox
+ * contains something other than one of these then the ipi is from
+ * Linux's active_kernel_processor.  This facility exists so that
+ * the boot monitor can capture all the other cpus when one catches
+ * a watchdog reset or the user enters the monitor using L1-A keys.
+ */
+#define MBOX_STOPCPU          0xFB
+#define MBOX_IDLECPU          0xFC
+#define MBOX_IDLECPU2         0xFD
+#define MBOX_STOPCPU2         0xFE
+
+#else /* SMP */
+
+#define hard_smp_processor_id()		0
+#define smp_setup_cpu_possible_map() do { } while (0)
+
+#endif /* !(SMP) */
+#endif /* !(_SPARC_SMP_H) */