target/xtensa: implement exclusive access option

[qemu.git] / target / xtensa / cpu.c

diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index b50c840e09ec0411589d05c890a031620d8fb140..54c834228a91de4c1d716e47744d3dc4834849a6 100644 (file)
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -78,11 +78,11 @@ static void xtensa_cpu_reset(CPUState *s)
     env->sregs[VECBASE] = env->config->vecbase;
     env->sregs[IBREAKENABLE] = 0;
     env->sregs[MEMCTL] = MEMCTL_IL0EN & env->config->memctl_mask;
-    env->sregs[CACHEATTR] = 0x22222222;
     env->sregs[ATOMCTL] = xtensa_option_enabled(env->config,
             XTENSA_OPTION_ATOMCTL) ? 0x28 : 0x15;
     env->sregs[CONFIGID0] = env->config->configid[0];
     env->sregs[CONFIGID1] = env->config->configid[1];
+    env->exclusive_addr = -1;
 
 #ifndef CONFIG_USER_ONLY
     reset_mmu(env);
@@ -149,7 +149,7 @@ static void xtensa_cpu_initfn(Object *obj)
 #ifndef CONFIG_USER_ONLY
     env->address_space_er = g_malloc(sizeof(*env->address_space_er));
     env->system_er = g_malloc(sizeof(*env->system_er));
-    memory_region_init_io(env->system_er, NULL, NULL, env, "er",
+    memory_region_init_io(env->system_er, obj, NULL, env, "er",
                           UINT64_C(0x100000000));
     address_space_init(env->address_space_er, env->system_er, "ER");
 #endif
@@ -186,7 +186,7 @@ static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
 #else
     cc->do_unaligned_access = xtensa_cpu_do_unaligned_access;
     cc->get_phys_page_debug = xtensa_cpu_get_phys_page_debug;
-    cc->do_unassigned_access = xtensa_cpu_do_unassigned_access;
+    cc->do_transaction_failed = xtensa_cpu_do_transaction_failed;
 #endif
     cc->debug_excp_handler = xtensa_breakpoint_handler;
     cc->disas_set_info = xtensa_cpu_disas_set_info;