1 files changed, 54 insertions, 0 deletions
diff --git a/linux-user/alpha/target_cpu.h b/linux-user/alpha/target_cpu.h
new file mode 100644
index 000000000..dc2dd6519
--- /dev/null
+++ b/linux-user/alpha/target_cpu.h
@@ -0,0 +1,54 @@
+/*
+ * Alpha specific CPU ABI and functions for linux-user
+ *
+ *  Copyright (c) 2007 Jocelyn Mayer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef ALPHA_TARGET_CPU_H
+#define ALPHA_TARGET_CPU_H
+
+static inline void cpu_clone_regs_child(CPUAlphaState *env, target_ulong newsp,
+                                        unsigned flags)
+{
+    if (newsp) {
+        env->ir[IR_SP] = newsp;
+    }
+    env->ir[IR_V0] = 0;
+    env->ir[IR_A3] = 0;
+    env->ir[IR_A4] = 1;  /* OSF/1 secondary return: child */
+}
+
+static inline void cpu_clone_regs_parent(CPUAlphaState *env, unsigned flags)
+{
+    /*
+     * OSF/1 secondary return: parent
+     * Note that the kernel does not do this if SETTLS, because the
+     * settls argument register is still live after copy_thread.
+     */
+    if (!(flags & CLONE_SETTLS)) {
+        env->ir[IR_A4] = 0;
+    }
+}
+
+static inline void cpu_set_tls(CPUAlphaState *env, target_ulong newtls)
+{
+    env->unique = newtls;
+}
+
+static inline abi_ulong get_sp_from_cpustate(CPUAlphaState *state)
+{
+    return state->ir[IR_SP];
+}
+#endif