From 2725b95a1f78d2feac553d37252f2e560c2f9aac Mon Sep 17 00:00:00 2001
From: Carlos Maiolino <cem@toxiclabs.cc>
Date: Fri, 1 Aug 2025 21:03:16 +0200
Subject: Setup interrupt handling

Remap master PIC to IOAddress 0x20 to avoid collisions with CPU
exceptions.

Setup a default interrupt handler and map all interrupts to this handler
by default.

Setup a Keyboard interrupt handler for testing purposes

Wire everything up in the Makefile

Signed-off-by: Carlos Maiolino <cem@toxiclabs.cc>
---
 Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 51493cd..040c846 100644
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,8 @@ KOBJ_FILES = $(KERNEL_ASM_OBJ) \
 	     $(KERNEL_OBJ) \
 	     ./build/vga.o \
 	     ./build/idt/idt.asm.o \
-	     ./build/idt/idt.o
+	     ./build/idt/idt.o \
+	     ./build/io/io.asm.o
 
 
 BOOT_TGT =./bin/boot.bin
@@ -57,6 +58,8 @@ $(BUILD_DIR)/idt/idt.asm.o: ./src/idt/idt.asm
 $(BUILD_DIR)/idt/idt.o: ./src/idt/idt.c ./build/vga.o $(KOBJ_LIBS)
 	i686-elf-gcc $(INCLUDES) $(FLAGS) -std=gnu99 -c ./src/idt/idt.c -o $(BUILD_DIR)/idt/idt.o
 
+$(BUILD_DIR)/io/io.asm.o: ./src/io/io.asm
+	nasm -f elf -g ./src/io/io.asm -o $(BUILD_DIR)/io/io.asm.o
 
 $(KOBJ_LIBS):
 	i686-elf-gcc $(INCLUDES) $(FLAGS) -std=gnu99 -c ./src/lib/string.c -o $(BUILD_DIR)/string.o
@@ -70,4 +73,5 @@ clean:
 	rm -f build/string.o
 	rm -f build/idt/idt.asm.o
 	rm -f build/idt/idt.o
+	rm -f build/io/io.asm.o
 	rm -f bin/os.bin
-- 
cgit v1.2.3