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authorChris Zankel <czankel@tensilica.com>2005-06-23 22:01:26 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-24 00:05:22 -0700
commit9a8fd5589902153a134111ed7a40f9cca1f83254 (patch)
tree6f7a06de25bdf0b2d94623794c2cbbc66b5a77f6 /include/asm-xtensa/sigcontext.h
parent3f65ce4d141e435e54c20ed2379d983d362a2cb5 (diff)
downloadop-kernel-dev-9a8fd5589902153a134111ed7a40f9cca1f83254.zip
op-kernel-dev-9a8fd5589902153a134111ed7a40f9cca1f83254.tar.gz
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 6
The attached patches provides part 6 of an architecture implementation for the Tensilica Xtensa CPU series. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-xtensa/sigcontext.h')
-rw-r--r--include/asm-xtensa/sigcontext.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-xtensa/sigcontext.h b/include/asm-xtensa/sigcontext.h
new file mode 100644
index 0000000..a751772
--- /dev/null
+++ b/include/asm-xtensa/sigcontext.h
@@ -0,0 +1,44 @@
+/*
+ * include/asm-xtensa/sigcontext.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2003 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_SIGCONTEXT_H
+#define _XTENSA_SIGCONTEXT_H
+
+#define _ASMLANGUAGE
+#include <asm/processor.h>
+#include <asm/coprocessor.h>
+
+
+struct _cpstate {
+ unsigned char _cpstate[XTENSA_CP_EXTRA_SIZE];
+} __attribute__ ((aligned (XTENSA_CP_EXTRA_ALIGN)));
+
+
+struct sigcontext {
+ unsigned long oldmask;
+
+ /* CPU registers */
+ unsigned long sc_pc;
+ unsigned long sc_ps;
+ unsigned long sc_wmask;
+ unsigned long sc_windowbase;
+ unsigned long sc_windowstart;
+ unsigned long sc_lbeg;
+ unsigned long sc_lend;
+ unsigned long sc_lcount;
+ unsigned long sc_sar;
+ unsigned long sc_depc;
+ unsigned long sc_dareg0;
+ unsigned long sc_treg[4];
+ unsigned long sc_areg[XCHAL_NUM_AREGS];
+ struct _cpstate *sc_cpstate;
+};
+
+#endif /* __ASM_XTENSA_SIGCONTEXT_H */
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