From 4f670845ff9ab6c48bcb5f7bf4d4ef6dc3c3064b Mon Sep 17 00:00:00 2001 From: manuel Date: Tue, 27 Mar 2012 11:51:08 +0200 Subject: reorganize file structure to match the upstream requirements --- userprog/exception.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 userprog/exception.h (limited to 'userprog/exception.h') diff --git a/userprog/exception.h b/userprog/exception.h new file mode 100644 index 0000000..f83e615 --- /dev/null +++ b/userprog/exception.h @@ -0,0 +1,12 @@ +#ifndef USERPROG_EXCEPTION_H +#define USERPROG_EXCEPTION_H + +/* Page fault error code bits that describe the cause of the exception. */ +#define PF_P 0x1 /* 0: not-present page. 1: access rights violation. */ +#define PF_W 0x2 /* 0: read, 1: write. */ +#define PF_U 0x4 /* 0: kernel, 1: user process. */ + +void exception_init (void); +void exception_print_stats (void); + +#endif /* userprog/exception.h */ -- cgit v1.2.3