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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-07-23 23:15:47 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-08-20 10:25:09 +1000
commit25d21ad6e799cccd097b9df2a2fefe19a7e1dfcf (patch)
treecd381527a069fed6cffa8755cac177639cc48b0b /arch/powerpc/mm/mmu_decl.h
parenta8f7758c1c52a13e031266483efd5525157e43e9 (diff)
powerpc: Add TLB management code for 64-bit Book3E
This adds the TLB miss handler assembly, the low level TLB flush routines along with the necessary hook for dealing with our virtual page tables or indirect TLB entries that need to be flushes when PTE pages are freed. There is currently no support for hugetlbfs Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/mm/mmu_decl.h')
-rw-r--r--arch/powerpc/mm/mmu_decl.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h
index 3871dceee2d..5961c6b739d 100644
--- a/arch/powerpc/mm/mmu_decl.h
+++ b/arch/powerpc/mm/mmu_decl.h
@@ -41,7 +41,11 @@ static inline void _tlbil_pid(unsigned int pid)
#else /* CONFIG_40x || CONFIG_8xx */
extern void _tlbil_all(void);
extern void _tlbil_pid(unsigned int pid);
+#ifdef CONFIG_PPC_BOOK3E
+extern void _tlbil_pid_noind(unsigned int pid);
+#else
#define _tlbil_pid_noind(pid) _tlbil_pid(pid)
+#endif
#endif /* !(CONFIG_40x || CONFIG_8xx) */
/*
@@ -53,7 +57,10 @@ static inline void _tlbil_va(unsigned long address, unsigned int pid,
{
asm volatile ("tlbie %0; sync" : : "r" (address) : "memory");
}
-#else /* CONFIG_8xx */
+#elif defined(CONFIG_PPC_BOOK3E)
+extern void _tlbil_va(unsigned long address, unsigned int pid,
+ unsigned int tsize, unsigned int ind);
+#else
extern void __tlbil_va(unsigned long address, unsigned int pid);
static inline void _tlbil_va(unsigned long address, unsigned int pid,
unsigned int tsize, unsigned int ind)
@@ -67,11 +74,16 @@ static inline void _tlbil_va(unsigned long address, unsigned int pid,
* implementation. When that becomes the case, this will be
* an extern.
*/
+#ifdef CONFIG_PPC_BOOK3E
+extern void _tlbivax_bcast(unsigned long address, unsigned int pid,
+ unsigned int tsize, unsigned int ind);
+#else
static inline void _tlbivax_bcast(unsigned long address, unsigned int pid,
unsigned int tsize, unsigned int ind)
{
BUG();
}
+#endif
#else /* CONFIG_PPC_MMU_NOHASH */