SH: Add cpu_sh4_is_cached for linux-user.

The entire U0 area is assumed to be cacheable.
Signed-off-by: NEdgar E. Iglesias <edgar.iglesias@gmail.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6969 c046a42c-6fe2-441c-8c8c-71466251a162

target-sh4/helper.c

@@ -60,6 +60,12 @@ target_phys_addr_t cpu_get_phys_page_debug(CPUState * env, target_ulong addr)
     return addr;
 }
 
+int cpu_sh4_is_cached(CPUSH4State * env, target_ulong addr)
+{
+    /* For user mode, only U0 area is cachable. */
+    return !!(addr & 0x80000000);
+}
+
 #else /* !CONFIG_USER_ONLY */
 
 #define MMU_OK                   0