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Re: [Qemu-discuss] qemu-system-tricore requested regions overlap

From: Peter Maydell
Subject: Re: [Qemu-discuss] qemu-system-tricore requested regions overlap
Date: Fri, 26 Aug 2016 11:52:12 -0400

On 26 August 2016 at 10:02,  <address@hidden> wrote:
> Hi
> I'm trying to run a simple hello world with
> qemu-system-tricore -machine tricore_testboard -cpu tc27x -nographic -kernel
> Test.elf
> The program is compiled with tricore-gcc (HighTec) for ROM target. The
> adress range for the code is 0x80000000.
> Unfortunately, I got this error message:
> (qemu) QEMU 2.6.94 monitor - type 'help' for more information
> (qemu) rom: requested regions overlap (rom phdr #1: Test.elf.
> free=0x0000000080000388, addr=0x0000000080000378)
> qemu-system-tricore: rom check and register reset failed
> The both addresses are in the starup code containing the following
> information
> 0x80000378 0x80000378    0 g __CTOR_LIST__
> 0x8000037c 0x8000037c    0 l __CTOR_LIST__
> 0x80000380 0x80000380    0 l __CTOR_END__
> 0x80000388 0x80000388    0 g __CTOR_END__
> 0x80000388 0x80000388    0 g __DTOR_LIST__
> 0x8000038c 0x8000038c    0 l __DTOR_LIST__
> I've already checked the the address ranges specified in tricore_testboard.c
> The used code section is defined with
> memory_region_init_ram(ext_cram, NULL, "powerlink_ext_c.ram", 2*1024*1024,
> &error_fatal);
> memory_region_add_subregion(sysmem, 0x80000000, ext_cram);

This error message isn't related to the QEMU code for defining
the tricore board -- it's complaining that your ELF file has
two program headers which define overlapping bits of code to
be loaded.

What does tricore-objdump --all-headers Test.elf say?
(I don't know the exact name of the objdump binary for your
cross toolchain, so it might be slightly different.)

-- PMM

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