From 8fcd0cf7d6a2c891422c7101840778043207a60d Mon Sep 17 00:00:00 2001 From: Nic Gaffney Date: Sun, 10 Dec 2023 09:48:53 -0600 Subject: Changed to the based ASM syntax and implemented a rudementary GDT --- src/kernel/gen_gdt.c | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 src/kernel/gen_gdt.c (limited to 'src/kernel/gen_gdt.c') diff --git a/src/kernel/gen_gdt.c b/src/kernel/gen_gdt.c new file mode 100644 index 0000000..05eedaa --- /dev/null +++ b/src/kernel/gen_gdt.c @@ -0,0 +1,11 @@ +#include "gdt.h" + +GDT_t *table = 0x0; +GDTR_t gdtr = {0, 0}; +void get_gdtr() { + *table = (GDT_t){make_descriptor(0, 0, 0), + make_descriptor(0x0000, 0xFFFFF, make_code(0, 0, 1)), + make_descriptor(0x0000, 0xFFFFF, make_data(0, 0, 1))}; + gdtr.size = sizeof(Segment_Descriptor_t) * 3 - 1; + gdtr.offset = 0x0; +} -- cgit v1.2.3