2006-04-05 04:45:45 -04:00
|
|
|
#ifndef _ASM_SMTC_MT_H
|
|
|
|
|
#define _ASM_SMTC_MT_H
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Definitions for SMTC multitasking on MIPS MT cores
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include <asm/mips_mt.h>
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* System-wide SMTC status information
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
extern unsigned int smtc_status;
|
|
|
|
|
|
|
|
|
|
#define SMTC_TLB_SHARED 0x00000001
|
|
|
|
|
#define SMTC_MTC_ACTIVE 0x00000002
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* TLB/ASID Management information
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#define MAX_SMTC_TLBS 2
|
|
|
|
|
#define MAX_SMTC_ASIDS 256
|
|
|
|
|
#if NR_CPUS <= 8
|
|
|
|
|
typedef char asiduse;
|
|
|
|
|
#else
|
|
|
|
|
#if NR_CPUS <= 16
|
|
|
|
|
typedef short asiduse;
|
|
|
|
|
#else
|
|
|
|
|
typedef long asiduse;
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
extern asiduse smtc_live_asid[MAX_SMTC_TLBS][MAX_SMTC_ASIDS];
|
|
|
|
|
|
2007-03-04 13:25:51 -05:00
|
|
|
struct mm_struct;
|
|
|
|
|
struct task_struct;
|
|
|
|
|
|
2006-04-05 04:45:45 -04:00
|
|
|
void smtc_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu);
|
|
|
|
|
|
|
|
|
|
void smtc_flush_tlb_asid(unsigned long asid);
|
|
|
|
|
extern int mipsmt_build_cpu_map(int startslot);
|
|
|
|
|
extern void mipsmt_prepare_cpus(void);
|
|
|
|
|
extern void smtc_smp_finish(void);
|
|
|
|
|
extern void smtc_boot_secondary(int cpu, struct task_struct *t);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Sharing the TLB between multiple VPEs means that the
|
|
|
|
|
* "random" index selection function is not allowed to
|
|
|
|
|
* select the current value of the Index register. To
|
|
|
|
|
* avoid additional TLB pressure, the Index registers
|
|
|
|
|
* are "parked" with an non-Valid value.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#define PARKED_INDEX ((unsigned int)0x80000000)
|
|
|
|
|
|
|
|
|
|
#endif /* _ASM_SMTC_MT_H */
|
