89 lines
3.2 KiB
ArmAsm
89 lines
3.2 KiB
ArmAsm
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/*******************************************************************************/
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/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
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/* */
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#define MULTIBOOT_SEARCH 32768
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#define MULTIBOOT_HEADER_ALIGN 8
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#define MULTIBOOT2_HEADER_MAGIC 0xe85250d6
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#define MULTIBOOT2_BOOTLOADER_MAGIC 0x36d76289
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#define MULTIBOOT_MOD_ALIGN 0x00001000
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#define MULTIBOOT_INFO_ALIGN 0x00000008
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#define MULTIBOOT_TAG_ALIGN 8
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#define MULTIBOOT_TAG_TYPE_END 0
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#define MULTIBOOT_TAG_TYPE_CMDLINE 1
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#define MULTIBOOT_TAG_TYPE_BOOT_LOADER_NAME 2
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#define MULTIBOOT_TAG_TYPE_MODULE 3
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#define MULTIBOOT_TAG_TYPE_BASIC_MEMINFO 4
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#define MULTIBOOT_TAG_TYPE_BOOTDEV 5
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#define MULTIBOOT_TAG_TYPE_MMAP 6
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#define MULTIBOOT_TAG_TYPE_VBE 7
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#define MULTIBOOT_TAG_TYPE_FRAMEBUFFER 8
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#define MULTIBOOT_TAG_TYPE_ELF_SECTIONS 9
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#define MULTIBOOT_TAG_TYPE_APM 10
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#define MULTIBOOT_TAG_TYPE_EFI32 11
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#define MULTIBOOT_TAG_TYPE_EFI64 12
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#define MULTIBOOT_TAG_TYPE_SMBIOS 13
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#define MULTIBOOT_TAG_TYPE_ACPI_OLD 14
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#define MULTIBOOT_TAG_TYPE_ACPI_NEW 15
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#define MULTIBOOT_TAG_TYPE_NETWORK 16
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#define MULTIBOOT_TAG_TYPE_EFI_MMAP 17
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#define MULTIBOOT_TAG_TYPE_EFI_BS 18
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#define MULTIBOOT_TAG_TYPE_EFI32_IH 19
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#define MULTIBOOT_TAG_TYPE_EFI64_IH 20
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#define MULTIBOOT_TAG_TYPE_LOAD_BASE_ADDR 21
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#define MULTIBOOT_HEADER_TAG_END 0
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#define MULTIBOOT_HEADER_TAG_INFORMATION_REQUEST 1
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#define MULTIBOOT_HEADER_TAG_ADDRESS 2
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#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS 3
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#define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4
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#define MULTIBOOT_HEADER_TAG_FRAMEBUFFER 5
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#define MULTIBOOT_HEADER_TAG_MODULE_ALIGN 6
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#define MULTIBOOT_HEADER_TAG_EFI_BS 7
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#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI32 8
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#define MULTIBOOT_HEADER_TAG_ENTRY_ADDRESS_EFI64 9
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#define MULTIBOOT_HEADER_TAG_RELOCATABLE 10
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#define MULTIBOOT_ARCHITECTURE_I386 0
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#define MULTIBOOT_ARCHITECTURE_MIPS32 4
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#define MULTIBOOT_HEADER_TAG_OPTIONAL 1
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#define MULTIBOOT_LOAD_PREFERENCE_NONE 0
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#define MULTIBOOT_LOAD_PREFERENCE_LOW 1
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#define MULTIBOOT_LOAD_PREFERENCE_HIGH 2
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#define MULTIBOOT_CONSOLE_FLAGS_CONSOLE_REQUIRED 1
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#define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2
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.section .multiboot, "a"
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.align MULTIBOOT_HEADER_ALIGN
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multiboot_header:
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.long MULTIBOOT2_HEADER_MAGIC
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.long MULTIBOOT_ARCHITECTURE_I386
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.long multiboot_header_end - multiboot_header
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.long -(MULTIBOOT2_HEADER_MAGIC + MULTIBOOT_ARCHITECTURE_I386 + (multiboot_header_end - multiboot_header))
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#ifdef VESA
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#warning VESA active
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framebuffer_tag_start:
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.align MULTIBOOT_HEADER_ALIGN
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.short MULTIBOOT_HEADER_TAG_FRAMEBUFFER
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.short MULTIBOOT_HEADER_TAG_OPTIONAL
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.long framebuffer_tag_end - framebuffer_tag_start
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.long 1024
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.long 768
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.long 32
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framebuffer_tag_end:
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#endif
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.align MULTIBOOT_HEADER_ALIGN
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.short MULTIBOOT_HEADER_TAG_END
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.short 0
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.long 8
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multiboot_header_end:
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.section .text
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.globl start
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start:
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pushl %ebx
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pushl %eax
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call main
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hlt
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