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* We now support the global page feature of x86 processors that prevents

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kernel TLBs from being flushed on context switch.
* new arch_cpu_user_TLB_invalidate() that now does what arch_cpu_global_TLB_invalidate()
  did before.
* arch_cpu_global_TLB_invalidate() will now flush all TLBs, even those from the
  kernel.
* some cleanups.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15535 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2005-12-14 17:07:37 +00:00
parent 484c80abd0
commit e0e9a3e69f
7 changed files with 117 additions and 36 deletions
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headers/private/kernel/arch/cpu.h
+7 -3
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@@ -27,11 +27,15 @@ status_t arch_cpu_shutdown(bool reboot);
void arch_cpu_invalidate_TLB_range(addr_t start, addr_t end);
void arch_cpu_invalidate_TLB_list(addr_t pages[], int num_pages);
void arch_cpu_user_TLB_invalidate(void);
void arch_cpu_global_TLB_invalidate(void);
status_t arch_cpu_user_memcpy(void *to, const void *from, size_t size, addr_t *faultHandler);
ssize_t arch_cpu_user_strlcpy(char *to, const char *from, size_t size, addr_t *faultHandler);
status_t arch_cpu_user_memset(void *s, char c, size_t count, addr_t *faultHandler);
status_t arch_cpu_user_memcpy(void *to, const void *from, size_t size,
addr_t *faultHandler);
ssize_t arch_cpu_user_strlcpy(char *to, const char *from, size_t size,
addr_t *faultHandler);
status_t arch_cpu_user_memset(void *s, char c, size_t count,
addr_t *faultHandler);
void arch_cpu_idle(void);
void arch_cpu_sync_icache(void *address, size_t length);