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authorMarvin Borner2019-09-19 19:56:59 +0200
committerMarvin Borner2019-09-19 20:05:38 +0200
commit05e1fedcc9cd30d1a34a65e640da45e980b4f859 (patch)
tree9cfb7620907ac126f26cdfe9363cb73ed74ea179 /src/interrupts/idt.c
parentffd82e18b5259fab477ad375a7af8550fac526d8 (diff)
Moved source to kernel directory
Diffstat (limited to 'src/interrupts/idt.c')
-rw-r--r--src/interrupts/idt.c46
1 files changed, 0 insertions, 46 deletions
diff --git a/src/interrupts/idt.c b/src/interrupts/idt.c
deleted file mode 100644
index ba71339..0000000
--- a/src/interrupts/idt.c
+++ /dev/null
@@ -1,46 +0,0 @@
-#include "../lib/lib.h"
-
-struct idt_entry {
- unsigned short base_lo;
- unsigned short sel; // Kernel segment
- unsigned char always0; // Always 0
- unsigned char flags;
- unsigned short base_hi;
-} __attribute__((packed));
-
-struct idt_ptr {
- unsigned short limit;
- unsigned int base;
-} __attribute__((packed));
-
-// Initialize IDT with 256 entries
-struct idt_entry idt[256];
-struct idt_ptr idtp;
-
-// Defined in idt.asm
-extern void idt_load();
-
-void idt_set_gate(unsigned char num, unsigned long base, unsigned short sel, unsigned char flags) {
- // Specify the interrupt routine's base address
- idt[num].base_lo = (base & 0xFFFF);
- idt[num].base_hi = (base >> 16) & 0xFFFF;
-
- // Set selector/segment of IDT entry
- idt[num].sel = sel;
- idt[num].always0 = 0;
- idt[num].flags = flags;
-}
-
-// Install IDT
-void idt_install() {
- // Set IDT pointer and limit
- idtp.limit = (sizeof(struct idt_entry) * 256) - 1;
- idtp.base = &idt;
-
- // Clear IDT by setting memory cells to 0
- memory_set(&idt, 0, sizeof(struct idt_entry) * 256);
-
- // TODO: Add method to add ISRs to IDT
-
- idt_load();
-}