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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-03-15 20:25:50 +0100 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-03-15 20:25:50 +0100 |
| commit | a54b2baac24a08b82791ede1491f31ce9408af3f (patch) | |
| tree | e6504405ba4086d61b1aa41e0122f0828e02dca1 /extras/mini-os/events.c | |
| parent | 7999d904265804ce344cf05a6bdf76429439f9a8 (diff) | |
| download | xen-a54b2baac24a08b82791ede1491f31ce9408af3f.tar.gz xen-a54b2baac24a08b82791ede1491f31ce9408af3f.tar.bz2 xen-a54b2baac24a08b82791ede1491f31ce9408af3f.zip | |
Implement console for Mini-os and also fix 2 bugs:
a) in initialising new page table frames
b) in initialising idle thread.
Signed-off-by: Grzegorz Milos <gm281@cam.ac.uk>
Diffstat (limited to 'extras/mini-os/events.c')
| -rw-r--r-- | extras/mini-os/events.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/extras/mini-os/events.c b/extras/mini-os/events.c index 9201128636..3c4b998810 100644 --- a/extras/mini-os/events.c +++ b/extras/mini-os/events.c @@ -22,6 +22,7 @@ #include <events.h> #include <lib.h> + static ev_action_t ev_actions[NR_EVS]; void default_handler(int port, struct pt_regs *regs); @@ -58,7 +59,7 @@ int do_event(u32 port, struct pt_regs *regs) int bind_evtchn( u32 port, void (*handler)(int, struct pt_regs *) ) { - if(ev_actions[port].handler) + if(ev_actions[port].handler != default_handler) printk("WARN: Handler for port %d already registered, replacing\n", port); @@ -73,7 +74,7 @@ int bind_evtchn( u32 port, void (*handler)(int, struct pt_regs *) ) void unbind_evtchn( u32 port ) { - if (!ev_actions[port].handler) + if (ev_actions[port].handler) printk("WARN: No handler for port %d when unbinding\n", port); ev_actions[port].handler = NULL; ev_actions[port].status |= EVS_DISABLED; |