From d4522b8e9854178473adcea0fbb84f23f6e744bd Mon Sep 17 00:00:00 2001 From: Felipe Boeira Date: Tue, 8 Jan 2019 18:39:03 +0100 Subject: Initial commit --- src/threads/intr-stubs.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 src/threads/intr-stubs.h (limited to 'src/threads/intr-stubs.h') diff --git a/src/threads/intr-stubs.h b/src/threads/intr-stubs.h new file mode 100644 index 0000000..9ceba15 --- /dev/null +++ b/src/threads/intr-stubs.h @@ -0,0 +1,19 @@ +#ifndef THREADS_INTR_STUBS_H +#define THREADS_INTR_STUBS_H + +/* Interrupt stubs. + + These are little snippets of code in intr-stubs.S, one for + each of the 256 possible x86 interrupts. Each one does a + little bit of stack manipulation, then jumps to intr_entry(). + See intr-stubs.S for more information. + + This array points to each of the interrupt stub entry points + so that intr_init() can easily find them. */ +typedef void intr_stub_func (void); +extern intr_stub_func *intr_stubs[256]; + +/* Interrupt return path. */ +void intr_exit (void); + +#endif /* threads/intr-stubs.h */ -- cgit v1.2.1