aboutsummaryrefslogtreecommitdiff
path: root/target/nios2/helper.h
diff options
context:
space:
mode:
authorChris Wulff <crwulff@gmail.com>2017-01-18 23:01:41 +0100
committerRichard Henderson <rth@twiddle.net>2017-01-24 13:10:35 -0800
commit032c76bc6f92052336b990ca7f51864a275a4839 (patch)
tree45878fe4444dde022ae31826219fd7677ede51a6 /target/nios2/helper.h
parenta678502e4f7580a6f143f680404aaee57ac3f4b5 (diff)
nios2: Add architecture emulation support
Add support for emulating Altera NiosII R1 architecture into qemu. This patch is based on previous work by Chris Wulff from 2012 and updated to latest mainline QEMU. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Chris Wulff <crwulff@gmail.com> Cc: Jeff Da Silva <jdasilva@altera.com> Cc: Ley Foon Tan <lftan@altera.com> Cc: Sandra Loosemore <sandra@codesourcery.com> Cc: Yves Vandervennet <yvanderv@altera.com> Cc: Alexander Graf <agraf@suse.de> Message-Id: <20170118220146.489-3-marex@denx.de> [rth: Remove tlb_flush from nios2_cpu_reset.] Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target/nios2/helper.h')
-rw-r--r--target/nios2/helper.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/target/nios2/helper.h b/target/nios2/helper.h
new file mode 100644
index 0000000000..b0cb9146a5
--- /dev/null
+++ b/target/nios2/helper.h
@@ -0,0 +1,27 @@
+/*
+ * Altera Nios II helper routines header.
+ *
+ * Copyright (c) 2012 Chris Wulff <crwulff@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 2.1 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>
+ */
+
+DEF_HELPER_2(raise_exception, void, env, i32)
+
+#if !defined(CONFIG_USER_ONLY)
+DEF_HELPER_2(mmu_read_debug, void, env, i32)
+DEF_HELPER_3(mmu_write, void, env, i32, i32)
+DEF_HELPER_1(check_interrupts, void, env)
+#endif