borked gitignore
This commit is contained in:
parent
e8d09031cb
commit
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11 changed files with 562 additions and 1 deletions
2
.gitignore
vendored
2
.gitignore
vendored
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@ -8,5 +8,5 @@ config.h
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gen*.h
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build/
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__pycache__/
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kernel
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*.iso
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iso/kernel
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3
kernel/arch/x86_64/flags.cmake
Normal file
3
kernel/arch/x86_64/flags.cmake
Normal file
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@ -0,0 +1,3 @@
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SET(ISA_C_FLAGS "-m64 -I../../kernel/arch/x86_64/include/")
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SET(ISA_CXX_FLAGS "${ISA_C_FLAGS}")
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SET(ISA_ASM_FLAGS "${ISA_ASM_FLAGS}")
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3
kernel/arch/x86_64/pc/flags.cmake
Normal file
3
kernel/arch/x86_64/pc/flags.cmake
Normal file
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SET(PLATFORM_C_FLAGS "-I../../kernel/arch/x86_64/pc/include")
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SET(PLATFORM_CXX_FLAGS "${PLATFORM_C_FLAGS}")
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SET(PLATFORM_ASM_FLAGS "${PLATFORM_C_FLAGS}")
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264
kernel/arch/x86_64/pc/include/multiboot.h
Normal file
264
kernel/arch/x86_64/pc/include/multiboot.h
Normal file
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@ -0,0 +1,264 @@
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/* multiboot.h - Multiboot header file. */
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/* Copyright (C) 1999,2003,2007,2008,2009,2010 Free Software Foundation, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ANY
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* DEVELOPER OR DISTRIBUTOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef MULTIBOOT_HEADER
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#define MULTIBOOT_HEADER 1
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/* How many bytes from the start of the file we search for the header. */
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#define MULTIBOOT_SEARCH 8192
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#define MULTIBOOT_HEADER_ALIGN 4
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/* The magic field should contain this. */
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#define MULTIBOOT_HEADER_MAGIC 0x1BADB002
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/* This should be in %eax. */
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#define MULTIBOOT_BOOTLOADER_MAGIC 0x2BADB002
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/* Alignment of multiboot modules. */
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#define MULTIBOOT_MOD_ALIGN 0x00001000
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/* Alignment of the multiboot info structure. */
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#define MULTIBOOT_INFO_ALIGN 0x00000004
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/* Flags set in the 'flags' member of the multiboot header. */
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/* Align all boot modules on i386 page (4KB) boundaries. */
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#define MULTIBOOT_PAGE_ALIGN 0x00000001
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/* Must pass memory information to OS. */
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#define MULTIBOOT_MEMORY_INFO 0x00000002
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/* Must pass video information to OS. */
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#define MULTIBOOT_VIDEO_MODE 0x00000004
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/* This flag indicates the use of the address fields in the header. */
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#define MULTIBOOT_AOUT_KLUDGE 0x00010000
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/* Flags to be set in the 'flags' member of the multiboot info structure. */
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/* is there basic lower/upper memory information? */
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#define MULTIBOOT_INFO_MEMORY 0x00000001
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/* is there a boot device set? */
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#define MULTIBOOT_INFO_BOOTDEV 0x00000002
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/* is the command-line defined? */
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#define MULTIBOOT_INFO_CMDLINE 0x00000004
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/* are there modules to do something with? */
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#define MULTIBOOT_INFO_MODS 0x00000008
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/* These next two are mutually exclusive */
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/* is there a symbol table loaded? */
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#define MULTIBOOT_INFO_AOUT_SYMS 0x00000010
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/* is there an ELF section header table? */
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#define MULTIBOOT_INFO_ELF_SHDR 0X00000020
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/* is there a full memory map? */
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#define MULTIBOOT_INFO_MEM_MAP 0x00000040
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/* Is there drive info? */
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#define MULTIBOOT_INFO_DRIVE_INFO 0x00000080
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/* Is there a config table? */
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#define MULTIBOOT_INFO_CONFIG_TABLE 0x00000100
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/* Is there a boot loader name? */
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#define MULTIBOOT_INFO_BOOT_LOADER_NAME 0x00000200
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/* Is there a APM table? */
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#define MULTIBOOT_INFO_APM_TABLE 0x00000400
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/* Is there video information? */
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#define MULTIBOOT_INFO_VBE_INFO 0x00000800
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#define MULTIBOOT_INFO_FRAMEBUFFER_INFO 0x00001000
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#ifndef ASM_FILE
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typedef unsigned char multiboot_uint8_t;
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typedef unsigned short multiboot_uint16_t;
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typedef unsigned int multiboot_uint32_t;
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typedef unsigned long long multiboot_uint64_t;
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struct multiboot_header {
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/* Must be MULTIBOOT_MAGIC - see above. */
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multiboot_uint32_t magic;
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/* Feature flags. */
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multiboot_uint32_t flags;
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/* The above fields plus this one must equal 0 mod 2^32. */
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multiboot_uint32_t checksum;
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/* These are only valid if MULTIBOOT_AOUT_KLUDGE is set. */
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multiboot_uint32_t header_addr;
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multiboot_uint32_t load_addr;
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multiboot_uint32_t load_end_addr;
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multiboot_uint32_t bss_end_addr;
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multiboot_uint32_t entry_addr;
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/* These are only valid if MULTIBOOT_VIDEO_MODE is set. */
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multiboot_uint32_t mode_type;
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multiboot_uint32_t width;
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multiboot_uint32_t height;
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multiboot_uint32_t depth;
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};
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/* The symbol table for a.out. */
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struct multiboot_aout_symbol_table {
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multiboot_uint32_t tabsize;
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multiboot_uint32_t strsize;
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multiboot_uint32_t addr;
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multiboot_uint32_t reserved;
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};
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typedef struct multiboot_aout_symbol_table multiboot_aout_symbol_table_t;
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/* The section header table for ELF. */
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struct multiboot_elf_section_header_table {
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multiboot_uint32_t num;
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multiboot_uint32_t size;
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multiboot_uint32_t addr;
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multiboot_uint32_t shndx;
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};
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typedef struct multiboot_elf_section_header_table multiboot_elf_section_header_table_t;
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struct multiboot_info {
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/* Multiboot info version number */
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multiboot_uint32_t flags;
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/* Available memory from BIOS */
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multiboot_uint32_t mem_lower;
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multiboot_uint32_t mem_upper;
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/* "root" partition */
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multiboot_uint32_t boot_device;
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/* Kernel command line */
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multiboot_uint32_t cmdline;
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/* Boot-Module list */
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multiboot_uint32_t mods_count;
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multiboot_uint32_t mods_addr;
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union {
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multiboot_aout_symbol_table_t aout_sym;
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multiboot_elf_section_header_table_t elf_sec;
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} u;
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/* Memory Mapping buffer */
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multiboot_uint32_t mmap_length;
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multiboot_uint32_t mmap_addr;
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/* Drive Info buffer */
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multiboot_uint32_t drives_length;
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multiboot_uint32_t drives_addr;
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/* ROM configuration table */
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multiboot_uint32_t config_table;
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/* Boot Loader Name */
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multiboot_uint32_t boot_loader_name;
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/* APM table */
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multiboot_uint32_t apm_table;
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/* Video */
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multiboot_uint32_t vbe_control_info;
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multiboot_uint32_t vbe_mode_info;
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multiboot_uint16_t vbe_mode;
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multiboot_uint16_t vbe_interface_seg;
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multiboot_uint16_t vbe_interface_off;
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multiboot_uint16_t vbe_interface_len;
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multiboot_uint64_t framebuffer_addr;
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multiboot_uint32_t framebuffer_pitch;
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multiboot_uint32_t framebuffer_width;
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multiboot_uint32_t framebuffer_height;
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multiboot_uint8_t framebuffer_bpp;
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#define MULTIBOOT_FRAMEBUFFER_TYPE_INDEXED 0
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#define MULTIBOOT_FRAMEBUFFER_TYPE_RGB 1
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#define MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT 2
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multiboot_uint8_t framebuffer_type;
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union {
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struct {
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multiboot_uint32_t framebuffer_palette_addr;
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multiboot_uint16_t framebuffer_palette_num_colors;
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};
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struct {
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multiboot_uint8_t framebuffer_red_field_position;
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multiboot_uint8_t framebuffer_red_mask_size;
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multiboot_uint8_t framebuffer_green_field_position;
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multiboot_uint8_t framebuffer_green_mask_size;
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multiboot_uint8_t framebuffer_blue_field_position;
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multiboot_uint8_t framebuffer_blue_mask_size;
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};
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};
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};
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typedef struct multiboot_info multiboot_info_t;
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struct multiboot_color {
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multiboot_uint8_t red;
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multiboot_uint8_t green;
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multiboot_uint8_t blue;
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};
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struct multiboot_mmap_entry {
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multiboot_uint32_t size;
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multiboot_uint64_t addr;
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multiboot_uint64_t len;
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#define MULTIBOOT_MEMORY_AVAILABLE 1
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#define MULTIBOOT_MEMORY_RESERVED 2
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#define MULTIBOOT_MEMORY_ACPI_RECLAIMABLE 3
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#define MULTIBOOT_MEMORY_NVS 4
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#define MULTIBOOT_MEMORY_BADRAM 5
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multiboot_uint32_t type;
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} GRUB_PACKED;
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typedef struct multiboot_mmap_entry multiboot_memory_map_t;
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struct multiboot_mod_list {
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/* the memory used goes from bytes 'mod_start' to 'mod_end-1' inclusive */
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multiboot_uint32_t mod_start;
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multiboot_uint32_t mod_end;
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/* Module command line */
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multiboot_uint32_t cmdline;
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/* padding to take it to 16 bytes (must be zero) */
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multiboot_uint32_t pad;
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};
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typedef struct multiboot_mod_list multiboot_module_t;
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/* APM BIOS info. */
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struct multiboot_apm_info {
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grub_uint16_t version;
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grub_uint16_t cseg;
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grub_uint32_t offset;
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grub_uint16_t cseg_16;
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grub_uint16_t dseg;
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grub_uint16_t flags;
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grub_uint16_t cseg_len;
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grub_uint16_t cseg_16_len;
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grub_uint16_t dseg_len;
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};
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#endif /* ! ASM_FILE */
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#endif /* ! MULTIBOOT_HEADER */
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36
kernel/arch/x86_64/pc/layout.ld
Normal file
36
kernel/arch/x86_64/pc/layout.ld
Normal file
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@ -0,0 +1,36 @@
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ENTRY(_start)
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SECTIONS {
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. = 0x200000;
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kernel_start = .;
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.text : {
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KEEP(*(.text.boot));
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*(.text)
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}
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.data : {
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start_ctors = .;
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KEEP(*(.init_array));
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KEEP(*(SORT_BY_INIT_PRIORITY(.init_array.*)));
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KEEP(*(.ctors));
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end_ctors = .;
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start_dtors = .;
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KEEP(*(.fini_array));
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KEEP(*(.fini_array.*));
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KEEP(*(.dtors));
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end_dtors = .;
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start_eh_frame = .;
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KEEP(*(.eh_frame));
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KEEP(*(.eh_frame.*));
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QUAD(0);
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KEEP(*(.gcc_except_table));
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KEEP(*(.gcc_except_table.*));
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*(.data)
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}
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.rodata : {
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*(.rodata)
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}
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.bss : {
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*(.bss)
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*(COMMON)
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}
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kernel_end = .;
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}
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9
kernel/arch/x86_64/pc/start.cpp
Normal file
9
kernel/arch/x86_64/pc/start.cpp
Normal file
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@ -0,0 +1,9 @@
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#include "../../../hw/pc/cgaterm/cgaterm.hpp"
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#include <base.hpp>
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CGATerm term;
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void main();
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extern "C" void start() { main(); }
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void drivers_init() {
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setMainTTY(&term);
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--term;
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}
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173
kernel/arch/x86_64/pc/start.s
Normal file
173
kernel/arch/x86_64/pc/start.s
Normal file
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@ -0,0 +1,173 @@
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#define ASM_FILE 1
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#include <config.h>
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#include <multiboot.h>
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.code32
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.section .text.boot
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.global _start
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_start:
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jmp _start2
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.align MULTIBOOT_HEADER_ALIGN
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.int MULTIBOOT_HEADER_MAGIC
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.int 0x0
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.int -(MULTIBOOT_HEADER_MAGIC)
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.align MULTIBOOT_HEADER_ALIGN
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.extern start
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_start2:
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mov $mb_ptr, %edi
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stosl
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mov %ebx, %eax
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stosl // Store mb stuff
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#ifdef ENABLE_FPU
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finit //Enable FPU
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#endif
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#ifdef ENABLE_SSE
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//No check for SSE as SSE2+ is always present on x86_64
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mov %cr0, %eax
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and $0xFFFB, %ax
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or $0x2, %ax
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mov %eax, %cr0
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mov %cr4, %eax
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or $3<<9, %ax
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mov %eax, %cr4
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#endif
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mov $kernel_stack, %esp
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mov $0x80000001, %eax
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cpuid
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and $0x20000000, %edx //Check if long mode is supported
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jz x86_64_err
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jmp x86_64_OK
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x86_64_err:
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cli
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hlt
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jmp x86_64_err
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x86_64_OK:
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//Assume PAE is supported
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mov $pmfill, %esi
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mov $pagemapL4, %edi
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movsl
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movsl
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mov $pagedirPT, %edi
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mov $0x87, %eax
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xor %ebx, %ebx
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mov $1023, %ecx
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.ptloop:
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stosl
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xchg %eax, %ebx
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stosl
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xchg %eax, %ebx
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add $0x40000000, %eax
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jnc .ptloop_nc
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inc %ebx
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.ptloop_nc:
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loop .ptloop
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mov %cr4, %eax
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or $0x20, %eax
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mov %eax, %cr4 //Activate PAE
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mov $0xC0000080, %ecx
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rdmsr
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or $0x00000100, %eax
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wrmsr //Activate x86_64
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mov $pagemapL4, %eax
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mov %eax, %cr3 //Load page table
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mov %cr0, %eax
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bswap %eax
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or $0x80, %eax
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bswap %eax
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mov %eax, %cr0 //Activate paging
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lgdt gdtr
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mov $0x30, %ax
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ljmp $0x28, $_start3 //Jump into long mode
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.code64
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_start3:
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mov %ax, %ds
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mov %ax, %es
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mov %ax, %fs
|
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mov %ax, %gs
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mov %ax, %ss //Load 64-bit data
|
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mov $mb_ptr, %rsi
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lodsl
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mov %rax, %rdi
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lodsl
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mov %rax, %rsi
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call start
|
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_stop:
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cli
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hlt
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jmp _stop
|
||||
|
||||
|
||||
.section .data
|
||||
gdtr:
|
||||
.word 9 * 8
|
||||
.int gdt
|
||||
gdt:
|
||||
.quad 0 //NULL
|
||||
//32-bit kernel code
|
||||
.word 0xFFFF
|
||||
.word 0x0000
|
||||
.byte 0x00
|
||||
.byte 0x9A
|
||||
.byte 0xCF
|
||||
.byte 0x00
|
||||
//32-bit kernel code
|
||||
.word 0xFFFF
|
||||
.word 0x0000
|
||||
.byte 0x00
|
||||
.byte 0x92
|
||||
.byte 0xCF
|
||||
.byte 00
|
||||
//32-bit user code
|
||||
.word 0xFFFF
|
||||
.word 0x0000
|
||||
.byte 0x00
|
||||
.byte 0xFA
|
||||
.byte 0xCF
|
||||
.byte 0x00
|
||||
//32-bit user data
|
||||
.word 0xFFFF
|
||||
.word 0x0000
|
||||
.byte 0x00
|
||||
.byte 0xF2
|
||||
.byte 0xCF
|
||||
.byte 00
|
||||
//64-bit kernel code
|
||||
.word 0xFFFF
|
||||
.word 0x0000
|
||||
.byte 0x00
|
||||
.byte 0x9B
|
||||
.byte 0xAF
|
||||
.byte 0x00
|
||||
//64-bit kernel code
|
||||
.word 0xFFFF
|
||||
.word 0x0000
|
||||
.byte 0x00
|
||||
.byte 0x93
|
||||
.byte 0xCF
|
||||
.byte 00
|
||||
//64-bit user code
|
||||
.word 0xFFFF
|
||||
.word 0x0000
|
||||
.byte 0x00
|
||||
.byte 0xFB
|
||||
.byte 0xAF
|
||||
.byte 0x00
|
||||
//64-bit user data
|
||||
.word 0xFFFF
|
||||
.word 0x0000
|
||||
.byte 0x00
|
||||
.byte 0xF3
|
||||
.byte 0xCF
|
||||
.byte 00
|
||||
pmfill:
|
||||
.int pagedirPT + 0x7
|
||||
.int 0
|
||||
.section .bss
|
||||
mb_ptr:
|
||||
.space 16384
|
||||
kernel_stack:
|
||||
.align 4096
|
||||
pagemapL4:
|
||||
.space 4096
|
||||
pagedirPT:
|
||||
.space 4096
|
40
kernel/hw/framebuffer/framebuffer.cpp
Normal file
40
kernel/hw/framebuffer/framebuffer.cpp
Normal file
|
@ -0,0 +1,40 @@
|
|||
#include "framebuffer.hpp"
|
||||
#include <genfont.h>
|
||||
auto Framebuffer::plotPixel(int x, int y, int col) -> void {}
|
||||
auto Framebuffer::plotChar(int x, int y, int c) -> void {
|
||||
if (c > 65535) return;
|
||||
int width = font_widths[c];
|
||||
if (width == 16) this->x++;
|
||||
if (!width) return;
|
||||
int color;
|
||||
for (int px = x * 8; px < (x * 8) + width; x++)
|
||||
for (int py = y * 16; py < (y * 16) + 16; y++) {
|
||||
color = rgbColor;
|
||||
if (!useRGB) {
|
||||
switch (curColor) {
|
||||
case Color::BLACK: color = 0x000000; break;
|
||||
case Color::BLUE: color = 0x0000AA; break;
|
||||
case Color::GREEN: color = 0x00AA00; break;
|
||||
case Color::CYAN: color = 0x00AAAA; break;
|
||||
case Color::RED: color = 0xAA0000; break;
|
||||
case Color::MAGENTA: color = 0xAA00AA; break;
|
||||
case Color::BROWN: color = 0xAA5500; break;
|
||||
case Color::LIGHT_GRAY: color = 0xAAAAAA; break;
|
||||
case Color::GRAY: color = 0x555555; break;
|
||||
case Color::LIGHT_BLUE: color = 0x5555FF; break;
|
||||
case Color::LIGHT_GREEN: color = 0x55FF55; break;
|
||||
case Color::LIGHT_CYAN: color = 0x55FFFF; break;
|
||||
case Color::LIGHT_RED: color = 0xFF5555; break;
|
||||
case Color::LIGHT_MAGENTA: color = 0xFF55FF; break;
|
||||
case Color::YELLOW: color = 0xFFFF55; break;
|
||||
case Color::WHITE: color = 0xFFFFFF; break;
|
||||
}
|
||||
rgbColor = color;
|
||||
useRGB = true;
|
||||
}
|
||||
plotPixel(px, py, color);
|
||||
}
|
||||
}
|
||||
Framebuffer::Framebuffer(int height, int width) : TTY(height, width) {}
|
||||
Framebuffer::~Framebuffer() {}
|
||||
auto Framebuffer::rgbSupport() -> bool { return true; }
|
12
kernel/hw/framebuffer/framebuffer.hpp
Normal file
12
kernel/hw/framebuffer/framebuffer.hpp
Normal file
|
@ -0,0 +1,12 @@
|
|||
#pragma once
|
||||
#include <tty.hpp>
|
||||
class Framebuffer : public TTY {
|
||||
protected:
|
||||
virtual auto plotPixel(int x, int y, int col) -> void;
|
||||
virtual auto plotChar(int x, int y, int c) -> void;
|
||||
|
||||
public:
|
||||
Framebuffer(int height, int width);
|
||||
virtual ~Framebuffer();
|
||||
virtual auto rgbSupport() -> bool;
|
||||
};
|
9
kernel/hw/pc/vesafb/vesafb.cpp
Normal file
9
kernel/hw/pc/vesafb/vesafb.cpp
Normal file
|
@ -0,0 +1,9 @@
|
|||
#include "vesafb.hpp"
|
||||
#include <stdint.h>
|
||||
auto VESAfb::plotPixel(int x, int y, int col) -> void {
|
||||
int *lfb = (int *)((uintptr_t)(mb_info->framebuffer_addr));
|
||||
lfb[y * mb_info->framebuffer_pitch + x] = col;
|
||||
}
|
||||
VESAfb::VESAfb(multiboot_info_t *mb_info)
|
||||
: mb_info(mb_info), Framebuffer(mb_info->framebuffer_width / 8, mb_info->framebuffer_height / 16) {}
|
||||
VESAfb::~VESAfb() {}
|
12
kernel/hw/pc/vesafb/vesafb.hpp
Normal file
12
kernel/hw/pc/vesafb/vesafb.hpp
Normal file
|
@ -0,0 +1,12 @@
|
|||
#pragma once
|
||||
#include "../../framebuffer/framebuffer.hpp"
|
||||
#include <multiboot.h>
|
||||
class VESAfb : public Framebuffer {
|
||||
protected:
|
||||
multiboot_info_t *mb_info;
|
||||
virtual auto plotPixel(int x, int y, int col) -> void;
|
||||
|
||||
public:
|
||||
VESAfb(multiboot_info_t *mb_info);
|
||||
virtual ~VESAfb();
|
||||
};
|
Loading…
Reference in a new issue