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Diffstat (limited to 'arch/sparc/include/asm/smp_32.h')
-rw-r--r--arch/sparc/include/asm/smp_32.h114
1 files changed, 31 insertions, 83 deletions
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index 01c51c70434..b73da3c5f10 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -8,7 +8,6 @@
#include <linux/threads.h>
#include <asm/head.h>
-#include <asm/btfixup.h>
#ifndef __ASSEMBLY__
@@ -58,104 +57,53 @@ 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)
+struct sparc32_ipi_ops {
+ void (*cross_call)(smpfunc_t func, cpumask_t mask, unsigned long arg1,
+ unsigned long arg2, unsigned long arg3,
+ unsigned long arg4);
+ void (*resched)(int cpu);
+ void (*single)(int cpu);
+ void (*mask_one)(int cpu);
+};
+extern const struct sparc32_ipi_ops *sparc32_ipi_ops;
+
+static inline void xc0(smpfunc_t func)
+{
+ sparc32_ipi_ops->cross_call(func, *cpu_online_mask, 0, 0, 0, 0);
+}
-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;
+ sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, 0, 0, 0);
}
-
-static inline int hard_smp4m_processor_id(void)
+static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2)
{
- 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;
+ sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, arg2, 0, 0);
}
-static inline int hard_smp4d_processor_id(void)
+static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2,
+ unsigned long arg3)
{
- int cpuid;
-
- __asm__ __volatile__("lda [%%g0] %1, %0\n\t" :
- "=&r" (cpuid) : "i" (ASI_M_VIKING_TMP1));
- return cpuid;
+ sparc32_ipi_ops->cross_call(func, *cpu_online_mask,
+ arg1, arg2, arg3, 0);
}
-extern inline int hard_smpleon_processor_id(void)
+static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2,
+ unsigned long arg3, unsigned long arg4)
{
- int cpuid;
- __asm__ __volatile__("rd %%asr17,%0\n\t"
- "srl %0,28,%0" :
- "=&r" (cpuid) : );
- return cpuid;
+ sparc32_ipi_ops->cross_call(func, *cpu_online_mask,
+ arg1, arg2, arg3, arg4);
}
-#ifndef MODULE
-static inline int hard_smp_processor_id(void)
+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)
{
- 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;
+ return cpu;
}
-#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
+extern int hard_smp_processor_id(void);
#define raw_smp_processor_id() (current_thread_info()->cpu)