From 15b6f7ee43560895feaafd8049a527d13612e932 Mon Sep 17 00:00:00 2001 From: antifallobst Date: Wed, 25 Jan 2023 01:17:20 +0100 Subject: [PATCH] got a bootable system --- build.sh | 73 +++++- kernel/CMakeLists.txt | 4 +- kernel/inc/boot/limine.h | 466 ++++++++++++++++++++++++++++++++++++ kernel/inc/utils/stdtypes.h | 35 +++ kernel/kernel.ld | 42 ++++ kernel/src/kmain.c | 19 +- limine.cfg | 5 + 7 files changed, 633 insertions(+), 11 deletions(-) create mode 100644 kernel/inc/boot/limine.h create mode 100644 kernel/inc/utils/stdtypes.h create mode 100644 kernel/kernel.ld create mode 100644 limine.cfg diff --git a/build.sh b/build.sh index 06748dd..4d0b31a 100755 --- a/build.sh +++ b/build.sh @@ -1,14 +1,73 @@ #!/usr/bin/bash +set -e + +workspace_setup() { + echo " --> Setting up workspace" + mkdir -pv build + mkdir -pv build/cmake + echo "" +} + + +kernel_build() { + echo " --> Building kernel" + cd build/cmake + cmake ../.. + make + cd ../.. + echo "" +} + + +limine_install() { + echo " --> Installing Limine" + cd build + rm -rfv limine + echo " |--> Cloning repository" + git clone https://github.com/limine-bootloader/limine.git --branch=v4.x-branch-binary --depth=1 + echo " |--> Compiling Limine" + make -C limine + cd .. + echo "" +} + +generate_image() { + echo " --> Generating Image" + cd build + + rm -rfv iso + mkdir -pv iso + + cp limine/limine-cd.bin iso + cp limine/limine-cd-efi.bin iso + cp limine/limine.sys iso + cp ../limine.cfg iso + cp cmake/kernel/kernel iso/kernel.elf + + xorriso -as mkisofs -b limine-cd.bin \ + -no-emul-boot -boot-load-size 4 -boot-info-table \ + --efi-boot limine-cd-efi.bin \ + -efi-boot-part --efi-boot-image --protective-msdos-label \ + iso -o nyxos.iso + + rm -rfv iso + + cd .. + echo "" +} + +emulate() { + qemu-system-x86_64 -cdrom build/nyxos.iso +} + echo "!=====[ NyxOS build script ]=====!" -echo " > Building kernel" -cd build -cmake .. -make -cd .. -echo "" - +workspace_setup +kernel_build +[ ! -d "build/limine" ] && limine_install +generate_image +emulate echo "!=====[ Finished ]=====!" diff --git a/kernel/CMakeLists.txt b/kernel/CMakeLists.txt index 0f0f8ec..9bb5f5d 100644 --- a/kernel/CMakeLists.txt +++ b/kernel/CMakeLists.txt @@ -11,8 +11,8 @@ file(GLOB_RECURSE kernel_inc "**/*.h") file(GLOB_RECURSE kernel_src_asm "**/*.asm") -target_compile_options(kernel PRIVATE -fno-stack-protector -mno-red-zone -ffreestanding) -target_link_options(kernel PRIVATE -nostdlib -nolibc) +target_compile_options(kernel PRIVATE -fno-stack-protector -fno-stack-check -mno-red-zone -ffreestanding -m64 -march=x86-64 -mabi=sysv) +target_link_options(kernel PRIVATE -nostdlib -static -T "${CMAKE_CURRENT_LIST_DIR}/kernel.ld") enable_language(ASM_NASM) set(CAN_USE_ASSEMBLER TRUE) diff --git a/kernel/inc/boot/limine.h b/kernel/inc/boot/limine.h new file mode 100644 index 0000000..365de87 --- /dev/null +++ b/kernel/inc/boot/limine.h @@ -0,0 +1,466 @@ +/* BSD Zero Clause License */ + +/* Copyright (C) 2022 mintsuki and contributors. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _LIMINE_H +#define _LIMINE_H 1 + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/* Misc */ + +#ifdef LIMINE_NO_POINTERS +# define LIMINE_PTR(TYPE) uint64_t +#else +# define LIMINE_PTR(TYPE) TYPE +#endif + +#define LIMINE_COMMON_MAGIC 0xc7b1dd30df4c8b88, 0x0a82e883a194f07b + +struct limine_uuid { + uint32_t a; + uint16_t b; + uint16_t c; + uint8_t d[8]; +}; + +#define LIMINE_MEDIA_TYPE_GENERIC 0 +#define LIMINE_MEDIA_TYPE_OPTICAL 1 +#define LIMINE_MEDIA_TYPE_TFTP 2 + +struct limine_file { + uint64_t revision; + LIMINE_PTR(void *) address; + uint64_t size; + LIMINE_PTR(char *) path; + LIMINE_PTR(char *) cmdline; + uint32_t media_type; + uint32_t unused; + uint32_t tftp_ip; + uint32_t tftp_port; + uint32_t partition_index; + uint32_t mbr_disk_id; + struct limine_uuid gpt_disk_uuid; + struct limine_uuid gpt_part_uuid; + struct limine_uuid part_uuid; +}; + +/* Boot info */ + +#define LIMINE_BOOTLOADER_INFO_REQUEST { LIMINE_COMMON_MAGIC, 0xf55038d8e2a1202f, 0x279426fcf5f59740 } + +struct limine_bootloader_info_response { + uint64_t revision; + LIMINE_PTR(char *) name; + LIMINE_PTR(char *) version; +}; + +struct limine_bootloader_info_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_bootloader_info_response *) response; +}; + +/* Stack size */ + +#define LIMINE_STACK_SIZE_REQUEST { LIMINE_COMMON_MAGIC, 0x224ef0460a8e8926, 0xe1cb0fc25f46ea3d } + +struct limine_stack_size_response { + uint64_t revision; +}; + +struct limine_stack_size_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_stack_size_response *) response; + uint64_t stack_size; +}; + +/* HHDM */ + +#define LIMINE_HHDM_REQUEST { LIMINE_COMMON_MAGIC, 0x48dcf1cb8ad2b852, 0x63984e959a98244b } + +struct limine_hhdm_response { + uint64_t revision; + uint64_t offset; +}; + +struct limine_hhdm_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_hhdm_response *) response; +}; + +/* Framebuffer */ + +#define LIMINE_FRAMEBUFFER_REQUEST { LIMINE_COMMON_MAGIC, 0x9d5827dcd881dd75, 0xa3148604f6fab11b } + +#define LIMINE_FRAMEBUFFER_RGB 1 + +struct limine_video_mode { + uint64_t pitch; + uint64_t width; + uint64_t height; + uint16_t bpp; + uint8_t memory_model; + uint8_t red_mask_size; + uint8_t red_mask_shift; + uint8_t green_mask_size; + uint8_t green_mask_shift; + uint8_t blue_mask_size; + uint8_t blue_mask_shift; +}; + +struct limine_framebuffer { + LIMINE_PTR(void *) address; + uint64_t width; + uint64_t height; + uint64_t pitch; + uint16_t bpp; + uint8_t memory_model; + uint8_t red_mask_size; + uint8_t red_mask_shift; + uint8_t green_mask_size; + uint8_t green_mask_shift; + uint8_t blue_mask_size; + uint8_t blue_mask_shift; + uint8_t unused[7]; + uint64_t edid_size; + LIMINE_PTR(void *) edid; + /* Response revision 1 */ + uint64_t mode_count; + LIMINE_PTR(struct limine_video_mode **) modes; +}; + +struct limine_framebuffer_response { + uint64_t revision; + uint64_t framebuffer_count; + LIMINE_PTR(struct limine_framebuffer **) framebuffers; +}; + +struct limine_framebuffer_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_framebuffer_response *) response; +}; + +/* Terminal */ + +#define LIMINE_TERMINAL_REQUEST { LIMINE_COMMON_MAGIC, 0xc8ac59310c2b0844, 0xa68d0c7265d38878 } + +#define LIMINE_TERMINAL_CB_DEC 10 +#define LIMINE_TERMINAL_CB_BELL 20 +#define LIMINE_TERMINAL_CB_PRIVATE_ID 30 +#define LIMINE_TERMINAL_CB_STATUS_REPORT 40 +#define LIMINE_TERMINAL_CB_POS_REPORT 50 +#define LIMINE_TERMINAL_CB_KBD_LEDS 60 +#define LIMINE_TERMINAL_CB_MODE 70 +#define LIMINE_TERMINAL_CB_LINUX 80 + +#define LIMINE_TERMINAL_CTX_SIZE ((uint64_t)(-1)) +#define LIMINE_TERMINAL_CTX_SAVE ((uint64_t)(-2)) +#define LIMINE_TERMINAL_CTX_RESTORE ((uint64_t)(-3)) +#define LIMINE_TERMINAL_FULL_REFRESH ((uint64_t)(-4)) + +/* Response revision 1 */ +#define LIMINE_TERMINAL_OOB_OUTPUT_GET ((uint64_t)(-10)) +#define LIMINE_TERMINAL_OOB_OUTPUT_SET ((uint64_t)(-11)) + +#define LIMINE_TERMINAL_OOB_OUTPUT_OCRNL (1 << 0) +#define LIMINE_TERMINAL_OOB_OUTPUT_OFDEL (1 << 1) +#define LIMINE_TERMINAL_OOB_OUTPUT_OFILL (1 << 2) +#define LIMINE_TERMINAL_OOB_OUTPUT_OLCUC (1 << 3) +#define LIMINE_TERMINAL_OOB_OUTPUT_ONLCR (1 << 4) +#define LIMINE_TERMINAL_OOB_OUTPUT_ONLRET (1 << 5) +#define LIMINE_TERMINAL_OOB_OUTPUT_ONOCR (1 << 6) +#define LIMINE_TERMINAL_OOB_OUTPUT_OPOST (1 << 7) + +struct limine_terminal; + +typedef void (*limine_terminal_write)(struct limine_terminal *, const char *, uint64_t); +typedef void (*limine_terminal_callback)(struct limine_terminal *, uint64_t, uint64_t, uint64_t, uint64_t); + +struct limine_terminal { + uint64_t columns; + uint64_t rows; + LIMINE_PTR(struct limine_framebuffer *) framebuffer; +}; + +struct limine_terminal_response { + uint64_t revision; + uint64_t terminal_count; + LIMINE_PTR(struct limine_terminal **) terminals; + LIMINE_PTR(limine_terminal_write) write; +}; + +struct limine_terminal_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_terminal_response *) response; + LIMINE_PTR(limine_terminal_callback) callback; +}; + +/* 5-level paging */ + +#define LIMINE_5_LEVEL_PAGING_REQUEST { LIMINE_COMMON_MAGIC, 0x94469551da9b3192, 0xebe5e86db7382888 } + +struct limine_5_level_paging_response { + uint64_t revision; +}; + +struct limine_5_level_paging_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_5_level_paging_response *) response; +}; + +/* SMP */ + +#define LIMINE_SMP_REQUEST { LIMINE_COMMON_MAGIC, 0x95a67b819a1b857e, 0xa0b61b723b6a73e0 } + +struct limine_smp_info; + +typedef void (*limine_goto_address)(struct limine_smp_info *); + +#if defined (__x86_64__) || defined (__i386__) + +#define LIMINE_SMP_X2APIC (1 << 0) + +struct limine_smp_info { + uint32_t processor_id; + uint32_t lapic_id; + uint64_t reserved; + LIMINE_PTR(limine_goto_address) goto_address; + uint64_t extra_argument; +}; + +struct limine_smp_response { + uint64_t revision; + uint32_t flags; + uint32_t bsp_lapic_id; + uint64_t cpu_count; + LIMINE_PTR(struct limine_smp_info **) cpus; +}; + +#elif defined (__aarch64__) + +struct limine_smp_info { + uint32_t processor_id; + uint32_t gic_iface_no; + uint64_t mpidr; + uint64_t reserved; + LIMINE_PTR(limine_goto_address) goto_address; + uint64_t extra_argument; +}; + +struct limine_smp_response { + uint64_t revision; + uint32_t flags; + uint64_t bsp_mpidr; + uint64_t cpu_count; + LIMINE_PTR(struct limine_smp_info **) cpus; +}; + +#else +#error Unknown architecture +#endif + +struct limine_smp_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_smp_response *) response; + uint64_t flags; +}; + +/* Memory map */ + +#define LIMINE_MEMMAP_REQUEST { LIMINE_COMMON_MAGIC, 0x67cf3d9d378a806f, 0xe304acdfc50c3c62 } + +#define LIMINE_MEMMAP_USABLE 0 +#define LIMINE_MEMMAP_RESERVED 1 +#define LIMINE_MEMMAP_ACPI_RECLAIMABLE 2 +#define LIMINE_MEMMAP_ACPI_NVS 3 +#define LIMINE_MEMMAP_BAD_MEMORY 4 +#define LIMINE_MEMMAP_BOOTLOADER_RECLAIMABLE 5 +#define LIMINE_MEMMAP_KERNEL_AND_MODULES 6 +#define LIMINE_MEMMAP_FRAMEBUFFER 7 + +struct limine_memmap_entry { + uint64_t base; + uint64_t length; + uint64_t type; +}; + +struct limine_memmap_response { + uint64_t revision; + uint64_t entry_count; + LIMINE_PTR(struct limine_memmap_entry **) entries; +}; + +struct limine_memmap_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_memmap_response *) response; +}; + +/* Entry point */ + +#define LIMINE_ENTRY_POINT_REQUEST { LIMINE_COMMON_MAGIC, 0x13d86c035a1cd3e1, 0x2b0caa89d8f3026a } + +typedef void (*limine_entry_point)(void); + +struct limine_entry_point_response { + uint64_t revision; +}; + +struct limine_entry_point_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_entry_point_response *) response; + LIMINE_PTR(limine_entry_point) entry; +}; + +/* Kernel File */ + +#define LIMINE_KERNEL_FILE_REQUEST { LIMINE_COMMON_MAGIC, 0xad97e90e83f1ed67, 0x31eb5d1c5ff23b69 } + +struct limine_kernel_file_response { + uint64_t revision; + LIMINE_PTR(struct limine_file *) kernel_file; +}; + +struct limine_kernel_file_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_kernel_file_response *) response; +}; + +/* Module */ + +#define LIMINE_MODULE_REQUEST { LIMINE_COMMON_MAGIC, 0x3e7e279702be32af, 0xca1c4f3bd1280cee } + +struct limine_module_response { + uint64_t revision; + uint64_t module_count; + LIMINE_PTR(struct limine_file **) modules; +}; + +struct limine_module_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_module_response *) response; +}; + +/* RSDP */ + +#define LIMINE_RSDP_REQUEST { LIMINE_COMMON_MAGIC, 0xc5e77b6b397e7b43, 0x27637845accdcf3c } + +struct limine_rsdp_response { + uint64_t revision; + LIMINE_PTR(void *) address; +}; + +struct limine_rsdp_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_rsdp_response *) response; +}; + +/* SMBIOS */ + +#define LIMINE_SMBIOS_REQUEST { LIMINE_COMMON_MAGIC, 0x9e9046f11e095391, 0xaa4a520fefbde5ee } + +struct limine_smbios_response { + uint64_t revision; + LIMINE_PTR(void *) entry_32; + LIMINE_PTR(void *) entry_64; +}; + +struct limine_smbios_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_smbios_response *) response; +}; + +/* EFI system table */ + +#define LIMINE_EFI_SYSTEM_TABLE_REQUEST { LIMINE_COMMON_MAGIC, 0x5ceba5163eaaf6d6, 0x0a6981610cf65fcc } + +struct limine_efi_system_table_response { + uint64_t revision; + LIMINE_PTR(void *) address; +}; + +struct limine_efi_system_table_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_efi_system_table_response *) response; +}; + +/* Boot time */ + +#define LIMINE_BOOT_TIME_REQUEST { LIMINE_COMMON_MAGIC, 0x502746e184c088aa, 0xfbc5ec83e6327893 } + +struct limine_boot_time_response { + uint64_t revision; + int64_t boot_time; +}; + +struct limine_boot_time_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_boot_time_response *) response; +}; + +/* Kernel address */ + +#define LIMINE_KERNEL_ADDRESS_REQUEST { LIMINE_COMMON_MAGIC, 0x71ba76863cc55f63, 0xb2644a48c516a487 } + +struct limine_kernel_address_response { + uint64_t revision; + uint64_t physical_base; + uint64_t virtual_base; +}; + +struct limine_kernel_address_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_kernel_address_response *) response; +}; + +/* Device Tree Blob */ + +#define LIMINE_DTB_REQUEST { LIMINE_COMMON_MAGIC, 0xb40ddb48fb54bac7, 0x545081493f81ffb7 } + +struct limine_dtb_response { + uint64_t revision; + LIMINE_PTR(void *) dtb_ptr; +}; + +struct limine_dtb_request { + uint64_t id[4]; + uint64_t revision; + LIMINE_PTR(struct limine_dtb_response *) response; +}; + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/kernel/inc/utils/stdtypes.h b/kernel/inc/utils/stdtypes.h new file mode 100644 index 0000000..042ce91 --- /dev/null +++ b/kernel/inc/utils/stdtypes.h @@ -0,0 +1,35 @@ +/* Copyright (C) Antifallobst + * + * NyxOS is free software: + * you can redistribute it and/or modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, either version 3 of the License, + * or (at your option) any later version. + * + * NyxOS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; + * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along with this program. + * If not, see . + */ + +#ifndef NYXOS_STDTYPES_H +#define NYXOS_STDTYPES_H + +typedef unsigned char uint8_t; +typedef signed char int8_t; +typedef unsigned short uint16_t; +typedef signed short int16_t; +typedef unsigned int uint32_t; +typedef signed int int32_t; +typedef unsigned long uint64_t; +typedef signed long int64_t; + +typedef _Bool bool; + +#define true 1 +#define false 0 + +#define NULL (void*)0 + +#endif //NYXOS_STDTYPES_H diff --git a/kernel/kernel.ld b/kernel/kernel.ld new file mode 100644 index 0000000..65106cd --- /dev/null +++ b/kernel/kernel.ld @@ -0,0 +1,42 @@ +OUTPUT_FORMAT(elf64-x86-64) +ENTRY(_start) + +PHDRS +{ + text PT_LOAD FLAGS((1 << 0) | (1 << 2)); /* READ ----- EXEC */ + rodata PT_LOAD FLAGS((1 << 2)); /* READ ----- ---- */ + data PT_LOAD FLAGS((1 << 1) | (1 << 2)); /* READ WRITE ---- */ +} + +SECTIONS +{ + . = 0xFFFFFFFF80000000; + _kernel_start = .; + + .text : ALIGN(0x1000) + { + *(.text .text.*) + } :text + + .rodata : ALIGN(0x1000) + { + *(.rodata .rodata.*) + } :rodata + + .data : ALIGN(0x1000) + { + *(.data .data.*) + } :data + + .bss : ALIGN(0x1000) + { + *(COMMON) + *(.bss .bss.*) + } :data + + /DISCARD/ : + { + *(.eh_frame) + *(.note .note.*) + } +} diff --git a/kernel/src/kmain.c b/kernel/src/kmain.c index 6fa28a0..93a3f4c 100644 --- a/kernel/src/kmain.c +++ b/kernel/src/kmain.c @@ -13,8 +13,23 @@ * If not, see . */ +#include "utils/stdtypes.h" +#include "boot/limine.h" -void _start() -{ +static volatile struct limine_terminal_request terminal_request = { + .id = LIMINE_TERMINAL_REQUEST, + .revision = 0, + .response = NULL +}; +void _start() { + if (terminal_request.response == NULL || terminal_request.response->terminal_count < 0) { + while(true) asm("hlt"); + } + + struct limine_terminal* terminal = terminal_request.response->terminals[0]; + + terminal_request.response->write(terminal, "Hello Limine", 12); + + while(true) asm("hlt"); } diff --git a/limine.cfg b/limine.cfg new file mode 100644 index 0000000..6f9bab0 --- /dev/null +++ b/limine.cfg @@ -0,0 +1,5 @@ +TIMEOUT=5 + +:NyxOS + PROTOCOL=limine + KERNEL_PATH=boot:///kernel.elf \ No newline at end of file