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https://github.com/RGBCube/serenity
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9a5bba2ba4
This is required for pretty much every bare metal install and doesn't seem to have any effect on running in QEMU, so let's enable it by default.
28 lines
824 B
ArmAsm
28 lines
824 B
ArmAsm
.code32
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.set MULTIBOOT_MAGIC, 0x1badb002
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.set MULTIBOOT_PAGE_ALIGN, 0x1
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.set MULTIBOOT_MEMORY_INFO, 0x2
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.set MULTIBOOT_VIDEO_MODE, 0x4
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.set multiboot_flags, MULTIBOOT_PAGE_ALIGN | MULTIBOOT_MEMORY_INFO | MULTIBOOT_VIDEO_MODE
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.set multiboot_checksum, -(MULTIBOOT_MAGIC + multiboot_flags)
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.section .multiboot, "a"
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.align 4
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.long MULTIBOOT_MAGIC
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.long multiboot_flags
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.long multiboot_checksum
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/* for MULTIBOOT_AOUT_KLUDGE, just a dummy */
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.long 0x00000000 /* header_addr */
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.long 0x00000000 /* load_addr */
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.long 0x00000000 /* load_end_addr */
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.long 0x00000000 /* bss_end_addr */
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.long 0x00000000 /* entry_addr */
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/* for MULTIBOOT_VIDEO_MODE */
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.long 0x00000000 /* mode_type */
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.long 1280 /* width */
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.long 1024 /* height */
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.long 32 /* depth */
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