[gem5-users] panic: Tried to read unmapped address 0x1970

[Alain Aoun via gem5-users]

Hi,

I am simulation an elf_i386 (32-bit x86) assembly code in SE mode. In my 
assembly code, there is mov al, [esi] where esi is set to 0x1970.
When running my simulation I get the following error: "panic: Tried to read 
unmapped address 0x1970."

I am initializing the DRAM with a binary disk image which contains my data that 
the benchmark is expected to use. My GEM5 configuration includes the following:
======================================================
system.mem_mode = "timing"
system.mem_ranges = [AddrRange("8000MB")]
system.mem_ctrl = MemCtrl()
system.mem_ctrl.dram = DDR3_1600_8x8()
system.mem_ctrl[0].dram.image_file = 'binary_disk_image.bin'
system.mem_ctrl.dram.range = system.mem_ranges[0]
system.mem_ctrl.port = system.membus.mem_side_ports
======================================================

Any suggestion on how to resolve this error?

Thanks!
Alain

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