diff options
| author | Ulf Carlsson <md1ulfc@mdstud.chalmers.se> | 2000-05-25 19:33:16 +0000 |
|---|---|---|
| committer | Ulf Carlsson <md1ulfc@mdstud.chalmers.se> | 2000-05-25 19:33:16 +0000 |
| commit | e3f4987b05b99df724313e4906971e0c2392e9d5 (patch) | |
| tree | 045335cf3c152e6d43e590662217c2cdb4bf0a74 /include | |
| parent | 243287e7620e395edf940f61c5dcc6fa606a150f (diff) | |
First cut of TLB handlers in assembler. I'm not using
the context register as it should be used, but let's look
into that later.
If there is a problem with the code it will crash after
right after freeing unused kernel memery. I have this code
tested on both UP and SMP though.
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-mips64/mmu_context.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/asm-mips64/mmu_context.h b/include/asm-mips64/mmu_context.h index eeb8d9091..7f70157c4 100644 --- a/include/asm-mips64/mmu_context.h +++ b/include/asm-mips64/mmu_context.h @@ -17,6 +17,8 @@ #include <asm/pgalloc.h> #include <asm/processor.h> +extern unsigned long pgd_current[]; + #ifndef CONFIG_SMP #define CPU_CONTEXT(cpu, mm) (mm)->context #else @@ -85,7 +87,9 @@ extern inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, if ((CPU_CONTEXT(cpu, next) ^ ASID_CACHE(cpu)) & ASID_VERSION_MASK) get_new_cpu_mmu_context(next, cpu); - set_entryhi(CPU_CONTEXT(cpu, next)); + set_entryhi(CPU_CONTEXT(cpu, next) & 0xff); + set_context((unsigned long) smp_processor_id() << (23 + 3)); + pgd_current[smp_processor_id()] = next->pgd; } /* @@ -110,7 +114,9 @@ activate_mm(struct mm_struct *prev, struct mm_struct *next) /* Unconditionally get a new ASID. */ get_new_cpu_mmu_context(next, smp_processor_id()); - set_entryhi(CPU_CONTEXT(smp_processor_id(), next)); + set_entryhi(CPU_CONTEXT(smp_processor_id(), next) & 0xff); + set_context((unsigned long) smp_processor_id() << (23 + 3)); + pgd_current[smp_processor_id()] = next->pgd; } #endif /* _ASM_MMU_CONTEXT_H */ |