2018-09-28 20:35:51 +02:00
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;/*******************************************************************************/
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;/* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas */
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;/* */
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2018-09-27 17:12:12 +02:00
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[BITS 32]
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SECTION .multiboot
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%define MULTIBOOT_TAG_ALIGN 8
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%define MULTIBOOT2_HEADER_MAGIC 0xe85250d6
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%define MULTIBOOT_ARCHITECTURE_I386 0
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%define MULTIBOOT_HEADER_TAG_OPTIONAL 1
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%define MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS 4
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%define MULTIBOOT_TAG_TYPE_FRAMEBUFFER 8
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%define MULTIBOOT_HEADER_TAG_END 0
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%define MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED 2
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%defstr arch ARCH
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multiboot_header:
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align MULTIBOOT_TAG_ALIGN
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dd MULTIBOOT2_HEADER_MAGIC ; magic
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dd MULTIBOOT_ARCHITECTURE_I386 ; architecture
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dd multiboot_header_end - multiboot_header
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dd -(MULTIBOOT2_HEADER_MAGIC + MULTIBOOT_ARCHITECTURE_I386 + (multiboot_header_end - multiboot_header))
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align MULTIBOOT_TAG_ALIGN
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2018-10-12 20:37:26 +02:00
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%if arch = "bitsd32"
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2018-09-27 17:12:12 +02:00
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%warning "Avec la console VGA/EGA."
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console_tag_start:
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dw MULTIBOOT_HEADER_TAG_CONSOLE_FLAGS ; type
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dw MULTIBOOT_HEADER_TAG_OPTIONAL ; flags
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dd console_tag_end - console_tag_start
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dd MULTIBOOT_CONSOLE_FLAGS_EGA_TEXT_SUPPORTED
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console_tag_end:
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%else
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align MULTIBOOT_TAG_ALIGN
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framebuffer_tag_start:
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%warning "Avec le FRAMEBUFFER VESA."
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dw MULTIBOOT_TAG_TYPE_FRAMEBUFFER ; type
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dw MULTIBOOT_HEADER_TAG_OPTIONAL ; flags
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dd framebuffer_tag_end - framebuffer_tag_start
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dd 1024 ; width
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dd 768 ; height
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dd 32 ; depth
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%endif
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align MULTIBOOT_TAG_ALIGN
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framebuffer_tag_end:
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dw MULTIBOOT_HEADER_TAG_END
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dw 0
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dd 8
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multiboot_header_end:
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SECTION .text
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global start
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extern main
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start:
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push ebx
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push eax
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call main
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hlt
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