From e2b78d20b80d89321d8d9df3ab8ade8407642dfc Mon Sep 17 00:00:00 2001 From: Aleksa Vučković Date: Sun, 2 Jan 2022 22:56:02 +0100 Subject: Adding code --- include/09.paging/paging02.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 include/09.paging/paging02.c (limited to 'include/09.paging/paging02.c') diff --git a/include/09.paging/paging02.c b/include/09.paging/paging02.c new file mode 100644 index 0000000..8c00c89 --- /dev/null +++ b/include/09.paging/paging02.c @@ -0,0 +1,12 @@ +void set_pd() +{ + //set each entry to not present + for(size_t i=0;i<1024;i++) + { + // This sets the following flags to the pages: + // Supervisor: Only kernel-mode can access them + // Write Enabled: It can be both read from and written to + // Not Present: The page table is not present + page_directory[i] = 0x00000002; + } +} -- cgit v1.2.3