@@ -1,3 +1,3 @@
obj-$(CONFIG_SOFTMMU) += machine.o
-obj-y += cpu.o intrpt.o mmu.o translate.o
-obj-y += intrpt_helper.o mmu_helper.o
+obj-y += cpu.o excp.o intrpt.o mmu.o translate.o
+obj-y += excp_helper.o intrpt_helper.o mmu_helper.o
new file mode 100644
@@ -0,0 +1,27 @@
+/*
+ * OpenRISC exception.
+ *
+ * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
+ *
+ * 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);
+}
new file mode 100644
@@ -0,0 +1,28 @@
+/*
+ * OpenRISC exception header.
+ *
+ * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
+ *
+ * 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 */
new file mode 100644
@@ -0,0 +1,27 @@
+/*
+ * OpenRISC exception helper routines
+ *
+ * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
+ *
+ * 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);
+}
@@ -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)
Add OpenRISC exception support. Signed-off-by: Jia Liu <proljc@gmail.com> --- target-openrisc/Makefile.objs | 4 ++-- 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(+), 2 deletions(-) create mode 100644 target-openrisc/excp.c create mode 100644 target-openrisc/excp.h create mode 100644 target-openrisc/excp_helper.c