Re: failed 'ljmp' in linear addressing mode

From: Phillip Susi
Date: Thu Nov 30 2006 - 11:17:39 EST


linux-os (Dick Johnson) wrote:
Get a copy of the Intel 486 Microprocessor Reference Manual or read it on-
line. There is no way that you can make a call like that. You would need to
call through a task-gate or otherwise set the code-segment and the instruction pointer at the same instant. First, look at the startup code for a GDT entry

Setting the code segment and instruction pointer at the same time is exactly what the long jump does.

OP: What is at the linear address 0x10000000?


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