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[Qemu-devel] [PATCH v2 06/17] Openrisc: add exception support
From: |
Jia Liu |
Subject: |
[Qemu-devel] [PATCH v2 06/17] Openrisc: add exception support |
Date: |
Sun, 27 May 2012 13:32:48 +0800 |
add openrisc exception support.
Signed-off-by: Jia Liu <address@hidden>
---
Makefile.target | 3 ++-
target-openrisc/excp.c | 27 +++++++++++++++++++++++++++
target-openrisc/excp.h | 28 ++++++++++++++++++++++++++++
target-openrisc/excp_helper.c | 27 +++++++++++++++++++++++++++
target-openrisc/helper.h | 3 +++
5 files changed, 87 insertions(+), 1 deletion(-)
create mode 100644 target-openrisc/excp.c
create mode 100644 target-openrisc/excp.h
create mode 100644 target-openrisc/excp_helper.c
diff --git a/Makefile.target b/Makefile.target
index 47836c6..42574f6 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -101,7 +101,8 @@ endif
libobj-$(TARGET_SPARC) += int32_helper.o
libobj-$(TARGET_SPARC64) += int64_helper.o
libobj-$(TARGET_ALPHA) += int_helper.o fpu_helper.o sys_helper.o mem_helper.o
-libobj-$(TARGET_OPENRISC) += intrpt.o intrpt_helper.o mmu.o mmu_helper.o
+libobj-$(TARGET_OPENRISC) += excp.o excp_helper.o \
+intrpt.o intrpt_helper.o mmu.o mmu_helper.o
libobj-y += disas.o
libobj-$(CONFIG_TCI_DIS) += tci-dis.o
diff --git a/target-openrisc/excp.c b/target-openrisc/excp.c
new file mode 100644
index 0000000..0359c12
--- /dev/null
+++ b/target-openrisc/excp.c
@@ -0,0 +1,27 @@
+/*
+ * Openrisc exception.
+ *
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ *
+ * 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 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/>.
+ */
+
+#include "cpu.h"
+#include "excp.h"
+
+void QEMU_NORETURN raise_exception(CPUOpenriscState *env, uint32_t excp)
+{
+ env->exception_index = excp;
+ cpu_loop_exit(env);
+}
diff --git a/target-openrisc/excp.h b/target-openrisc/excp.h
new file mode 100644
index 0000000..491ff81
--- /dev/null
+++ b/target-openrisc/excp.h
@@ -0,0 +1,28 @@
+/*
+ * Openrisc exception header.
+ *
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ *
+ * 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 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 QEMU_OPENRISC_EXCP_H
+#define QEMU_OPENRISC_EXCP_H
+
+#include "cpu.h"
+#include "qemu-common.h"
+
+void QEMU_NORETURN raise_exception(CPUOpenriscState *env, uint32_t excp);
+
+#endif /* QEMU_OPENRISC_EXCP_H */
diff --git a/target-openrisc/excp_helper.c b/target-openrisc/excp_helper.c
new file mode 100644
index 0000000..59cbd55
--- /dev/null
+++ b/target-openrisc/excp_helper.c
@@ -0,0 +1,27 @@
+/*
+ * Openrisc exception helper routines
+ *
+ * Copyright (c) 2011-2012 Jia Liu <address@hidden>
+ *
+ * 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 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/>.
+ */
+
+#include "cpu.h"
+#include "helper.h"
+#include "excp.h"
+
+void HELPER(exception)(CPUOpenriscState *env, uint32_t excp)
+{
+ raise_exception(env, excp);
+}
diff --git a/target-openrisc/helper.h b/target-openrisc/helper.h
index 66cd05c..fbcfd12 100644
--- a/target-openrisc/helper.h
+++ b/target-openrisc/helper.h
@@ -19,6 +19,9 @@
#include "def-helper.h"
+/* exception */
+DEF_HELPER_FLAGS_2(exception, 0, void, env, i32)
+
/* interrupt */
DEF_HELPER_FLAGS_1(rfe, 0, void, env)
--
1.7.9.5
- [Qemu-devel] [PATCH v2 00/17] Qemu Openrisc support, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 01/17] Openrisc: add target stubs, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 02/17] Openrisc: add cpu QOM implement, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 03/17] Openrisc: add basic machine, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 04/17] Openrisc: add MMU support, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 06/17] Openrisc: add exception support,
Jia Liu <=
- [Qemu-devel] [PATCH v2 07/17] Openrisc: add int instruction helpers, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 08/17] Openrisc: add float instruction helpers, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 09/17] Openrisc: add instruction translation routines, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 10/17] Openrisc: add Programmable Interrupt Controller, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 11/17] Openrisc: add a timer, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 12/17] Openrisc: add a simulator board, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 13/17] Openrisc: add system instruction helpers, Jia Liu, 2012/05/27
- [Qemu-devel] [PATCH v2 14/17] Openrisc: add gdb stub support, Jia Liu, 2012/05/27