Over 1 Meg OS Loading

[jrfritz]

So...does this load the kernel after the one megabyte and I can have room for v86 later?

[jrfritz]

Ok it does...never mind...

Actually I am thinking about no v86 mode. But anyway...

[Perica]

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[jrfritz]

You need to load your kernel at 9000h using the BIOS, and move the code to 0x100000 using MOVSB...

Yea you use 0x100000 but it makes your kernel size 1 meg...

[jrfritz]

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[jrfritz]

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[Perica]

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[df]

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[Perica]

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[df]

have you got a [bits 16] in your nasm code? its trying to do a 16 bit relocation... so you have some 16bit code somewhere

[Perica]

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[df]

if your in pmode you, at 1mb, you cant

Code: Select all

dw EXCEPTION_0

because your turning a 32bit address into a 16bit address

[Perica]

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[jrfritz]

My IDT In C works in 1meg pmode

Ok....but I can't use ORG in my kernelasm.asm file since its linked....my -Ttext option does that when linking...

I'll try section .text.....

[jrfritz]

Section .TEXT does not make it work....I think there is something like a .addr or .address code for linker scripts?