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/03.gdt/gdt05.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 include/03.gdt/gdt05.c (limited to 'include/03.gdt/gdt05.c') diff --git a/include/03.gdt/gdt05.c b/include/03.gdt/gdt05.c new file mode 100644 index 0000000..d525a13 --- /dev/null +++ b/include/03.gdt/gdt05.c @@ -0,0 +1,13 @@ +void init_gdt_table() +{ + gdtp.size=sizeof(gdt)-1; + gdtp.offset=(uint32_t)&gdt; + + init_gdt_entry(0,0,0,0,0); // null segment + init_gdt_entry(1,0xffffffff,0,0b10011010,0b11001111); // code segment + init_gdt_entry(2,0xffffffff,0,0b10010010,0b11001111); // data segment + init_gdt_entry(3,0xffffffff,0,0b11111010,0b11001111); // user mode code segment + init_gdt_entry(4,0xffffffff,0,0b11110010,0b11001111); // user mode data segment + + load_gdt(&gdtp); +} -- cgit v1.2.3