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authorMichal Marek <mmarek@suse.cz>2010-12-15 00:01:55 +0300
committerMichal Marek <mmarek@suse.cz>2010-12-15 00:01:55 +0300
commit8990c1bc4be46473ad19bf2fa612ca57286f3df4 (patch)
tree3cea60576903a1d26c67e6ec62891b524d390e95 /include/linux/console.h
parent2979076fbf17a0947d6eba367b0cac19c907c160 (diff)
parentc8ddb2713c624f432fa5fe3c7ecffcdda46ea0d4 (diff)
downloadlinux-8990c1bc4be46473ad19bf2fa612ca57286f3df4.tar.xz
Merge commit 'v2.6.37-rc1' into kbuild/kbuild
Diffstat (limited to 'include/linux/console.h')
-rw-r--r--include/linux/console.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/console.h b/include/linux/console.h
index dcca5339ceb3..95cf6f08a59d 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -55,6 +55,16 @@ struct consw {
void (*con_invert_region)(struct vc_data *, u16 *, int);
u16 *(*con_screen_pos)(struct vc_data *, int);
unsigned long (*con_getxy)(struct vc_data *, unsigned long, int *, int *);
+ /*
+ * Prepare the console for the debugger. This includes, but is not
+ * limited to, unblanking the console, loading an appropriate
+ * palette, and allowing debugger generated output.
+ */
+ int (*con_debug_enter)(struct vc_data *);
+ /*
+ * Restore the console to its pre-debug state as closely as possible.
+ */
+ int (*con_debug_leave)(struct vc_data *);
};
extern const struct consw *conswitchp;
@@ -69,6 +79,14 @@ int register_con_driver(const struct consw *csw, int first, int last);
int unregister_con_driver(const struct consw *csw);
int take_over_console(const struct consw *sw, int first, int last, int deflt);
void give_up_console(const struct consw *sw);
+#ifdef CONFIG_HW_CONSOLE
+int con_debug_enter(struct vc_data *vc);
+int con_debug_leave(void);
+#else
+#define con_debug_enter(vc) (0)
+#define con_debug_leave() (0)
+#endif
+
/* scroll */
#define SM_UP (1)
#define SM_DOWN (2)