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authorHsiangkai Wang <hsiangkai@gmail.com>2013-02-05 11:55:37 +0800
committerSpencer Oliver <spen@spen-soft.co.uk>2013-06-05 19:27:35 +0000
commitcf8a3c3d7075abad3c88cd604f8add4d06898abc (patch)
tree56f8b5794fd385ba7ba4a6617c214a9516a443b5 /src/target/nds32_tlb.h
parentceb402dc9e903d2f3f6bc8125dfed9d82b83d2d1 (diff)
nds32: add new target type nds32_v2, nds32_v3, nds32_v3m
Add target code for Andes targets. Change-Id: Ibf0e1b61b06127ca7d9ed502d98d7e2aeebbbe82 Signed-off-by: Hsiangkai Wang <hsiangkai@gmail.com> Reviewed-on: http://openocd.zylin.com/1259 Tested-by: jenkins Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Diffstat (limited to 'src/target/nds32_tlb.h')
-rw-r--r--src/target/nds32_tlb.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/target/nds32_tlb.h b/src/target/nds32_tlb.h
new file mode 100644
index 00000000..59e11573
--- /dev/null
+++ b/src/target/nds32_tlb.h
@@ -0,0 +1,48 @@
+/***************************************************************************
+ * Copyright (C) 2013 Andes Technology *
+ * Hsiangkai Wang <hkwang@andestech.com> *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program 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 General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
+ ***************************************************************************/
+#ifndef __NDS32_TLB_H__
+#define __NDS32_TLB_H__
+
+#include "nds32.h"
+
+enum {
+ PAGE_SIZE_4K = 0,
+ PAGE_SIZE_8K,
+ PAGE_SIZE_NUM,
+};
+
+struct page_table_walker_info_s {
+
+ uint32_t L1_offset_mask;
+ uint32_t L1_offset_shift;
+ uint32_t L2_offset_mask;
+ uint32_t L2_offset_shift;
+ uint32_t va_offset_mask;
+ uint32_t L1_base_mask;
+ uint32_t L2_base_mask;
+ uint32_t ppn_mask;
+};
+
+extern int nds32_probe_tlb(struct nds32 *nds32, const uint32_t virtual_address,
+ uint32_t *physical_address);
+extern int nds32_walk_page_table(struct nds32 *nds32, const uint32_t virtual_address,
+ uint32_t *physical_address);
+
+#endif