target/xtensa: linux-user: add call0 ABI support

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

diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index 76db1741a796893407e4b95ae87811c2e9d1270e..c65dcf9dd78296e9ff169c33abe821a161721b7f 100644 (file)
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -53,6 +53,20 @@ static bool xtensa_cpu_has_work(CPUState *cs)
 #endif
 }
 
+#ifdef CONFIG_USER_ONLY
+static bool abi_call0;
+
+void xtensa_set_abi_call0(void)
+{
+    abi_call0 = true;
+}
+
+bool xtensa_abi_call0(void)
+{
+    return abi_call0;
+}
+#endif
+
 /* CPUClass::reset() */
 static void xtensa_cpu_reset(CPUState *s)
 {
@@ -70,10 +84,12 @@ static void xtensa_cpu_reset(CPUState *s)
             XTENSA_OPTION_INTERRUPT) ? 0x1f : 0x10;
     env->pending_irq_level = 0;
 #else
-    env->sregs[PS] =
-        (xtensa_option_enabled(env->config,
-                               XTENSA_OPTION_WINDOWED_REGISTER) ? PS_WOE : 0) |
-        PS_UM | (3 << PS_RING_SHIFT);
+    env->sregs[PS] = PS_UM | (3 << PS_RING_SHIFT);
+    if (xtensa_option_enabled(env->config,
+                              XTENSA_OPTION_WINDOWED_REGISTER) &&
+        !xtensa_abi_call0()) {
+        env->sregs[PS] |= PS_WOE;
+    }
 #endif
     env->sregs[VECBASE] = env->config->vecbase;
     env->sregs[IBREAKENABLE] = 0;