summaryrefslogtreecommitdiff
path: root/src/include/source/idt.h
diff options
context:
space:
mode:
authorAleksa Vučković <aleksav013@gmail.com>2022-01-17 22:00:14 +0100
committerAleksa Vučković <aleksav013@gmail.com>2022-01-17 22:00:14 +0100
commited84017353c6fc9421b223ff6ec62f8d881d8098 (patch)
tree6ca1abfc7daca48010d841572d4eb16cda1b7abf /src/include/source/idt.h
parent85fdaf22994ead86a43b4880cb4875094612bd72 (diff)
Fixing $(WARNING)s & explicitly declaring function prototypes
Diffstat (limited to 'src/include/source/idt.h')
-rw-r--r--src/include/source/idt.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/include/source/idt.h b/src/include/source/idt.h
new file mode 100644
index 0000000..b150d40
--- /dev/null
+++ b/src/include/source/idt.h
@@ -0,0 +1,36 @@
+#ifndef SOURCE_IDT_H
+#define SOURCE_IDT_H
+
+#include<types.h>
+
+#define INTERRUPT_GATE_32 0x8E
+
+#define KERNEL_CODE 0x08
+#define KERNEL_DATA 0x10
+
+#define PIC1_COMMAND_PORT 0x20
+#define PIC1_DATA_PORT 0x21
+#define PIC2_COMMAND_PORT 0xA0
+#define PIC2_DATA_PORT 0xA1
+
+struct idt_entry
+{
+ uint16_t offset1;
+ uint16_t selector;
+ uint8_t zero;
+ uint8_t type_attr;
+ uint16_t offset2;
+} __attribute__((packed));
+
+struct idt_pointer
+{
+ uint16_t size;
+ uint32_t offset;
+} __attribute__((packed));
+
+void init_idt_entry(size_t num, uint32_t offset, uint16_t selector, uint8_t type_attr);
+void add_idt_entry(size_t num,uint32_t offset);
+void init_pic(void);
+void init_idt_table(void);
+
+#endif