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authorDavid Howells <dhowells@redhat.com>2012-03-28 18:30:02 +0100
committerDavid Howells <dhowells@redhat.com>2012-03-28 18:30:02 +0100
commitb1a154dbf9ddbf396578642299ce75aa73d01763 (patch)
tree2db04ef58f3af63ed2ca6060a7bc18157acc8a7d /arch/cris/include/asm/switch_to.h
parent6a846f3f821a252762897751fa0aeb68dda635f5 (diff)
Disintegrate asm/system.h for CRIS
Disintegrate asm/system.h for CRIS. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> cc: linux-cris-kernel@axis.com
Diffstat (limited to 'arch/cris/include/asm/switch_to.h')
-rw-r--r--arch/cris/include/asm/switch_to.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/cris/include/asm/switch_to.h b/arch/cris/include/asm/switch_to.h
new file mode 100644
index 00000000000..d842e1163ba
--- /dev/null
+++ b/arch/cris/include/asm/switch_to.h
@@ -0,0 +1,12 @@
+#ifndef __ASM_CRIS_SWITCH_TO_H
+#define __ASM_CRIS_SWITCH_TO_H
+
+/* the switch_to macro calls resume, an asm function in entry.S which does the actual
+ * task switching.
+ */
+
+extern struct task_struct *resume(struct task_struct *prev, struct task_struct *next, int);
+#define switch_to(prev,next,last) last = resume(prev,next, \
+ (int)&((struct task_struct *)0)->thread)
+
+#endif /* __ASM_CRIS_SWITCH_TO_H */