Feat: CPU Exceptions and load errors are now shown.

build.sh

@@ -1,12 +1,71 @@
-#!/bin/sh
-export PATH=/usr/local/cross/bin:$PATH
+#!/bin/bash
+# Complete build script for SoraOS with 2-stage bootloader
 
-# 1. Assemble raw binary
-echo ">>> Assembling boot.asm to boot.bin..."
+set -e  # Exit on any error
+
+echo "==================================="
+echo "    SoraOS Build System v1.0"
+echo "==================================="
+
+# Colors
+GREEN='\033[0;32m'
+BLUE='\033[0;34m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+# Step 1: Assemble Stage 1 bootloader (MBR - 512 bytes)
+echo -e "${BLUE}[1/6]${NC} Assembling Stage 1 bootloader (MBR)..."
 nasm -f bin boot.asm -o boot.bin
 
-# 2. Run QEMU as a raw disk drive
-echo ">>> Running QEMU with boot.bin..."
-qemu-system-x86_64 -drive format=raw,file=boot.bin
+# Step 2: Assemble Stage 2 bootloader (extended loader)
+echo -e "${BLUE}[2/6]${NC} Assembling Stage 2 bootloader..."
+nasm -f bin elevator.asm -o elevator.bin
 
-echo "Done!"
+# Step 3: Assemble kernel entry point
+echo -e "${BLUE}[3/6]${NC} Assembling kernel entry..."
+nasm -f elf64 kernel.asm -o kernel.asm.o
+
+# Step 4: Compile kernel C code
+echo -e "${BLUE}[4/6]${NC} Compiling kernel..."
+gcc -ffreestanding -c kernel.c -o kernel.c.o -mcmodel=large -mno-red-zone -fno-pic -fno-pie -static -fno-stack-protector -nostdlib -mno-mmx -mno-sse -mno-sse2 -m64
+
+# Step 5: Link kernel
+echo -e "${BLUE}[5/6]${NC} Linking kernel..."
+ld -T linker.ld -o kernel.bin kernel.asm.o kernel.c.o --oformat binary
+
+# Step 6: Create OS image
+echo -e "${BLUE}[6/6]${NC} Creating OS image..."
+cat boot.bin elevator.bin kernel.bin > os-image.bin
+
+# Pad to floppy size (1.44MB)
+truncate -s 1440K os-image.bin
+
+echo ""
+echo -e "${GREEN}✓ Build complete!${NC}"
+echo ""
+echo "==================================="
+echo "File Layout:"
+echo "==================================="
+echo "Sector 1:    Stage 1 (MBR)"
+echo "Sectors 2-6: Stage 2 (Extended Bootloader)"
+echo "Sectors 7+:  Kernel"
+echo ""
+
+# Show sizes
+echo "File Sizes:"
+printf "%-15s %10s\n" "File" "Size"
+printf "%-15s %10s\n" "----" "----"
+printf "%-15s %10d bytes\n" "boot.bin" $(stat -f%z boot.bin 2>/dev/null || stat -c%s stage1.bin 2>/dev/null)
+printf "%-15s %10d bytes\n" "elevator.bin" $(stat -f%z elevator.bin 2>/dev/null || stat -c%s stage2.bin 2>/dev/null)
+printf "%-15s %10d bytes\n" "kernel.bin" $(stat -f%z kernel.bin 2>/dev/null || stat -c%s kernel.bin 2>/dev/null)
+printf "%-15s %10d bytes\n" "os-image.bin" $(stat -f%z os-image.bin 2>/dev/null || stat -c%s os-image.bin 2>/dev/null)
+echo ""
+
+echo -e "${YELLOW}Running QEMU...${NC}"
+echo "==================================="
+echo "Press Ctrl+C to exit QEMU"
+echo ""
+qemu-system-x86_64 -drive format=raw,file=os-image.bin -no-reboot -d cpu_reset
+
+
+echo -e "${GREEN}Done!${NC}"