cpu-defs: Move out TB_JMP defines

These are not Architecture specific in any way so move them out of
cpu-defs.h. tb-hash.h is an appropriate place as a leading user and
their strong relationship to TB hashing and caching.

Reviewed-by: Richard Henderson <rth@redhat.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-Id: <43ceca65a3fa240efac49aa0bf604ad0442e1710.1433052532.git.crosthwaite.peter@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h
index 247829c968ea79ec976ef703a35708626afcabfd..98b9cff3108821454c48c5a562953cf7fdd3ccca 100644 (file)
--- a/include/exec/cpu-defs.h
+++ b/include/exec/cpu-defs.h
@@ -56,14 +56,6 @@ typedef uint64_t target_ulong;
 #error TARGET_LONG_SIZE undefined
 #endif
 
-/* Only the bottom TB_JMP_PAGE_BITS of the jump cache hash bits vary for
-   addresses on the same page.  The top bits are the same.  This allows
-   TLB invalidation to quickly clear a subset of the hash table.  */
-#define TB_JMP_PAGE_BITS (TB_JMP_CACHE_BITS / 2)
-#define TB_JMP_PAGE_SIZE (1 << TB_JMP_PAGE_BITS)
-#define TB_JMP_ADDR_MASK (TB_JMP_PAGE_SIZE - 1)
-#define TB_JMP_PAGE_MASK (TB_JMP_CACHE_SIZE - TB_JMP_PAGE_SIZE)
-
 #if !defined(CONFIG_USER_ONLY)
 /* use a fully associative victim tlb of 8 entries */
 #define CPU_VTLB_SIZE 8

diff --git a/include/exec/tb-hash.h b/include/exec/tb-hash.h
index e0bd786f9fba8eaccdf695289b3ecf941dca5e96..0f4e8a08afe0e6f964245bd1fbd3ce1ff4284979 100644 (file)
--- a/include/exec/tb-hash.h
+++ b/include/exec/tb-hash.h
@@ -20,6 +20,14 @@
 #ifndef EXEC_TB_HASH
 #define EXEC_TB_HASH
 
+/* Only the bottom TB_JMP_PAGE_BITS of the jump cache hash bits vary for
+   addresses on the same page.  The top bits are the same.  This allows
+   TLB invalidation to quickly clear a subset of the hash table.  */
+#define TB_JMP_PAGE_BITS (TB_JMP_CACHE_BITS / 2)
+#define TB_JMP_PAGE_SIZE (1 << TB_JMP_PAGE_BITS)
+#define TB_JMP_ADDR_MASK (TB_JMP_PAGE_SIZE - 1)
+#define TB_JMP_PAGE_MASK (TB_JMP_CACHE_SIZE - TB_JMP_PAGE_SIZE)
+
 static inline unsigned int tb_jmp_cache_hash_page(target_ulong pc)
 {
     target_ulong tmp;