itto-ki

" File: gtags.vim
" Author: Tama Communications Corporation
" Version: 0.6.8
" Last Modified: Nov 9, 2015
"
" Copyright and license
" ---------------------
" Copyright (c) 2004, 2008, 2010, 2011, 2012, 2014, 2015
" Tama Communications Corporation
"

itto-ki

# Basic Info
OS_NAME := SawayakanaOS
CUSTOM_TARGET := i386-sawayakanaos

# Commands
MAKE := make

LD_FLAG := -m elf_i386 -n

# Directories

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set timeout=5
set default=0

menuentry "SawayaknaOS" {
    multiboot2 /boot/sawayakanaos.bin
    boot
}

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# Basic Info
CUSTOM_TARGET := i386-sawayakanaos

# Directories
SRC_DIR := src
TARGET_DIR := target
DEBUG_BUILD_DIR :=  $(TARGET_DIR)/$(CUSTOM_TARGET)/debug/

# Files
SRCS := $(SRC_DIR)/lib.rs

itto-ki

#![feature(panic_implementation)]
#![no_std]

use core::panic::PanicInfo;

#[panic_implementation]
#[no_mangle]
pub extern "C" fn panic(_info: &PanicInfo) -> ! {
    loop {}
}

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{
    "llvm-target": "i386-unknown-none",
    "data-layout": "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128",
    "arch": "x86",
    "target-endian": "little",
    "target-pointer-width": "32",
    "target-c-int-width": "32",
    "os": "none",
    "executables": false,
    "linker-flavor": "ld.lld",

itto-ki

[package]
name = "kernel"
version = "0.1.0"
authors = ["Ittoh Kimura <kimura.itto.kd3@gmail.com>"]

[dependencies]

[lib]
crate-type = ["staticlib"]

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SECTIONS {
    . = 1M;

    .boot : { KEEP(*(.multiboot_header)) }
    .text : { *(.text) }
}

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NASM := nasm
NASM_FLAG := -f elf32

SRCS := $(wildcard *.S)
OBJS := $(patsubst %.S, %.o, $(SRCS))

.PHONY: build clean

build: $(OBJS)

itto-ki

section .text
bits 32

extern kernel_main

boot:
    call kernel_main
    hlt