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authorSrikant Patnaik2015-01-13 15:08:24 +0530
committerSrikant Patnaik2015-01-13 15:08:24 +0530
commit97327692361306d1e6259021bc425e32832fdb50 (patch)
treefe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/tile/include/asm/sections.h
parent2d05a8f663478a44e088d122e0d62109bbc801d0 (diff)
parenta3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff)
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dirty fix to merging
Diffstat (limited to 'arch/tile/include/asm/sections.h')
-rw-r--r--arch/tile/include/asm/sections.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/tile/include/asm/sections.h b/arch/tile/include/asm/sections.h
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+++ b/arch/tile/include/asm/sections.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2010 Tilera Corporation. All Rights Reserved.
+ *
+ * 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, version 2.
+ *
+ * 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, GOOD TITLE or
+ * NON INFRINGEMENT. See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _ASM_TILE_SECTIONS_H
+#define _ASM_TILE_SECTIONS_H
+
+#define arch_is_kernel_data arch_is_kernel_data
+
+#include <asm-generic/sections.h>
+
+/* Text and data are at different areas in the kernel VA space. */
+extern char _sinitdata[], _einitdata[];
+
+/* Write-once data is writable only till the end of initialization. */
+extern char __w1data_begin[], __w1data_end[];
+
+
+/* Not exactly sections, but PC comparison points in the code. */
+extern char __rt_sigreturn[], __rt_sigreturn_end[];
+#ifndef __tilegx__
+extern char sys_cmpxchg[], __sys_cmpxchg_end[];
+extern char __sys_cmpxchg_grab_lock[];
+extern char __start_atomic_asm_code[], __end_atomic_asm_code[];
+#endif
+
+/* Handle the discontiguity between _sdata and _stext. */
+static inline int arch_is_kernel_data(unsigned long addr)
+{
+ return addr >= (unsigned long)_sdata &&
+ addr < (unsigned long)_end;
+}
+
+#endif /* _ASM_TILE_SECTIONS_H */