diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-powerpc/smp.h (renamed from include/asm-ppc64/smp.h) | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/include/asm-ppc64/smp.h b/include/asm-powerpc/smp.h index ba0f5c8bbb2..8bcdd0faefe 100644 --- a/include/asm-ppc64/smp.h +++ b/include/asm-powerpc/smp.h @@ -1,5 +1,5 @@ /* - * smp.h: PPC64 specific SMP code. + * smp.h: PowerPC-specific SMP code. * * Original was a copy of sparc smp.h. Now heavily modified * for PPC. @@ -13,9 +13,9 @@ * 2 of the License, or (at your option) any later version. */ +#ifndef _ASM_POWERPC_SMP_H +#define _ASM_POWERPC_SMP_H #ifdef __KERNEL__ -#ifndef _PPC64_SMP_H -#define _PPC64_SMP_H #include <linux/config.h> #include <linux/threads.h> @@ -24,7 +24,9 @@ #ifndef __ASSEMBLY__ +#ifdef CONFIG_PPC64 #include <asm/paca.h> +#endif extern int boot_cpuid; extern int boot_cpuid_phys; @@ -45,8 +47,19 @@ void generic_cpu_die(unsigned int cpu); void generic_mach_cpu_die(void); #endif +#ifdef CONFIG_PPC64 #define raw_smp_processor_id() (get_paca()->paca_index) #define hard_smp_processor_id() (get_paca()->hw_cpu_id) +#else +/* 32-bit */ +extern int smp_hw_index[]; + +#define raw_smp_processor_id() (current_thread_info()->cpu) +#define hard_smp_processor_id() (smp_hw_index[smp_processor_id()]) +#define get_hard_smp_processor_id(cpu) (smp_hw_index[(cpu)]) +#define set_hard_smp_processor_id(cpu, phys)\ + (smp_hw_index[(cpu)] = (phys)) +#endif extern cpumask_t cpu_sibling_map[NR_CPUS]; @@ -65,21 +78,35 @@ extern cpumask_t cpu_sibling_map[NR_CPUS]; void smp_init_iSeries(void); void smp_init_pSeries(void); void smp_init_cell(void); +void smp_setup_cpu_maps(void); extern int __cpu_disable(void); extern void __cpu_die(unsigned int cpu); + +#else +/* for UP */ +#define smp_setup_cpu_maps() +#define smp_release_cpus() + #endif /* CONFIG_SMP */ +#ifdef CONFIG_PPC64 #define get_hard_smp_processor_id(CPU) (paca[(CPU)].hw_cpu_id) #define set_hard_smp_processor_id(CPU, VAL) \ do { (paca[(CPU)].hw_cpu_id = (VAL)); } while (0) +#else +/* 32-bit */ +#ifndef CONFIG_SMP +#define get_hard_smp_processor_id(cpu) boot_cpuid_phys +#define set_hard_smp_processor_id(cpu, phys) +#endif +#endif extern int smt_enabled_at_boot; extern int smp_mpic_probe(void); extern void smp_mpic_setup_cpu(int cpu); extern void smp_generic_kick_cpu(int nr); -extern void smp_release_cpus(void); extern void smp_generic_give_timebase(void); extern void smp_generic_take_timebase(void); @@ -88,5 +115,5 @@ extern struct smp_ops_t *smp_ops; #endif /* __ASSEMBLY__ */ -#endif /* !(_PPC64_SMP_H) */ #endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_SMP_H) */ |