For supporting linux-user system call, tilegx need support exception helper features for it.
Signed-off-by: Chen Gang <gang.chen.5...@gmail.com> --- 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
