Reverted to previous state

This commit is contained in:
Marco Cetica 2021-02-16 11:30:17 +01:00
parent e430178c82
commit b0f4c8a4fd
Signed by: marco
GPG Key ID: 45060A949E90D0FD
4 changed files with 20 additions and 34 deletions

18
.github/workflows/vulcanos.yml vendored Normal file
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@ -0,0 +1,18 @@
name: vulcanos
on:
push:
branches: [master]
workflow_dispatch:
jobs:
build:
runs-on: ubuntu-latest
steps:
- name: checkout repo
uses: actions/checkout@main
- name: Build vulcanos
run: |
sudo apt update && sudo apt install -y nasm grub-pc-bin mtools
sudo ln -s /usr/bin/gcc /usr/bin/i686-elf-gcc
sudo ln -s /usr/bin/ld /usr/bin/i686-elf-ld
make clean all

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@ -1,9 +0,0 @@
language: C
before_install:
- sudo apt-get update
- sudo apt-get install -y nasm grub-pc-bin
- sudo ln -s /usr/bin/gcc /usr/bin/i686-elf-gcc
- sudo ln -s /usr/bin/ld /usr/bin/i686-elf-ld
script: make clean all

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@ -1,4 +1,4 @@
# VulcanOS [![Build Status](https://travis-ci.com/ice-bit/vulcanos.svg?branch=master)](https://travis-ci.com/ice-bit/vulcanos)
# VulcanOS ![](https://github.com/ceticamarco/vulcanos/actions/workflows/vulcanos.yml/badge.svg)
**VulcanOS** is a x86 monolithic kernel written in C from scratch following the UNIX philosophy. This project is just a student learning tool to know more about operating systems, do not expect nothing more than a toy.
<div align="center">
<img src="imgs/screenshot.png" />

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@ -10,7 +10,6 @@
#include "drivers/idt.h"
#include "drivers/timer.h"
#include "drivers/keyboard.h"
#include "drivers/initrd.h"
#include "mem/paging.h"
#include "mem/kheap.h"
#include "mem/multiboot.h"
@ -24,22 +23,7 @@
#define PRTAT printf("\n["); printf_color(" ** ", LIGHT_BROWN, BLACK); printf("]"); // Ugly hack to print "[ * ]"
#define PRTER printf("\n["); printf_color(" ERR ", LIGHT_RED, BLACK); printf("]"); // Ugly hack to print "[ ER ]"
uint32_t initrd_setup( struct multiboot *mboot_ptr) {
if(mboot_ptr->mods_count < 0) { // Assert that initrd image is available
PRTER
puts(" - initrd not found!");
PANIC("Cannot find initrd");
}
extern uint32_t placement_addr;
uint32_t initrd_location = *((uint32_t*)mboot_ptr->mods_addr);
uint32_t initrd_end = *(uint32_t*)(mboot_ptr->mods_addr+4);
placement_addr = initrd_end;
return initrd_location;
}
void kernel_main(unsigned long magic, uint32_t addr, struct multiboot *mboot_ptr) {
void kernel_main(uint32_t magic, uint32_t addr) {
// First of all, check if we're booted by a Multiboot-compliant boot loader
if(magic != MULTIBOOT2_BOOTLOADER_MAGIC) {
PRTER
@ -72,16 +56,9 @@ void kernel_main(unsigned long magic, uint32_t addr, struct multiboot *mboot_ptr
PRTOK
printf(" - Loaded PS/2 driver");
uint32_t loc = initrd_setup(mboot_ptr); // Setup initial ramdisk
init_paging(); // Initialize paging
PRTOK
printf(" - Loaded Paging");
// Now we can start initrd
fs_root = init_ramdisk(loc);
PRTOK
printf(" - Loaded Initrd");
PRTAT
printf(" - Testing heap...\t");