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[Qemu-devel] [PATCH 08/12 v8] target-tilegx: Add helper features for lin
From: |
Chen Gang |
Subject: |
[Qemu-devel] [PATCH 08/12 v8] target-tilegx: Add helper features for linux-user |
Date: |
Sat, 21 Mar 2015 18:25:08 +0800 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
For supporting linux-user system call, tilegx need support exception
helper features for it.
Signed-off-by: Chen Gang <address@hidden>
---
target-tilegx/helper.c | 31 +++++++++++++++++++++++++++++++
target-tilegx/helper.h | 1 +
2 files changed, 32 insertions(+)
create mode 100644 target-tilegx/helper.c
create mode 100644 target-tilegx/helper.h
diff --git a/target-tilegx/helper.c b/target-tilegx/helper.c
new file mode 100644
index 0000000..ffac2b9
--- /dev/null
+++ b/target-tilegx/helper.c
@@ -0,0 +1,31 @@
+/*
+ * QEMU TILE-Gx helpers
+ *
+ * Copyright (c) 2015 Chen Gang
+ *
+ * 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/lgpl-2.1.html>
+ */
+
+#include "cpu.h"
+#include "qemu-common.h"
+#include "exec/helper-proto.h"
+
+void helper_exception(CPUTLGState *env, uint32_t excp)
+{
+ CPUState *cs = CPU(tilegx_env_get_cpu(env));
+
+ cs->exception_index = excp;
+ cpu_loop_exit(cs);
+}
diff --git a/target-tilegx/helper.h b/target-tilegx/helper.h
new file mode 100644
index 0000000..36d1cd9
--- /dev/null
+++ b/target-tilegx/helper.h
@@ -0,0 +1 @@
+DEF_HELPER_2(exception, noreturn, env, i32)
--
1.9.3
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