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[Qemu-discuss] Memory range addresses involved in qemu

From: Shiva
Subject: [Qemu-discuss] Memory range addresses involved in qemu
Date: Thu, 30 Oct 2014 13:13:59 -0400

I am new to qemu development. I wanted to print the corresponding addresses 
involved when a memory has been assigned to a virtual machine. 
For example, when i invoke the following command
qemu-system-i386 ubuntu.img -m 1G

I need to be able to print the virtual addresses and physical addresses 
involved. Like above 1G memory involved:
Guest Virtual    Addr = 0x12345678..to 0x87654321..
Guest Physical Addr = 0x23456781..to 0x74536733..(This is the one that gets 
mapped to host virtual memory if my understanding is right).

Above numbers are just for explanation.

When I looked into the source code of qemu, I see that this size whatever we 
are mentioning here is assigned as a part of |ram_addr_t| block. But I am not 
able to find as how to proceed to find the offset for this size.Kindly help me 
in this regard at the earliest.

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