[Qemu-devel] [Bug 740014] Re: The Multiboot information data structure contains the wrong address to the module structure

[Stefan Lankes]

Bug already fixed...

** Changed in: qemu
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/740014

Title:
  The Multiboot information data structure contains the wrong address to
  the module structure

Status in QEMU:
  Fix Released

Bug description:
  I think that I have found a bug in qemu 0.13.0 and 0.14.0. I am
  developing an own microkernel and use the Multiboot specification. I
  load the kernel and its initrd directly with the flags "-kernel" and
  "-initrd". With qemu 0.12.5, my code works correctly and I have access
  to my initrd. By using qemu 0.13.0 or 0.14.0, my code crashes. In this
  case, the physical address of the module structure (mods_addr) points
  directly to the first loaded module (in my case to 0x272000). This is
  in my opinion wrong. Like qemu 0.12.5, is has to point to an array (in
  my case to address 0x9600), which contains the start (0x272000) and
  the end address of each loaded module. Or did I misunderstand the
  multiboot specification
  (http://www.gnu.org/software/grub/manual/multiboot/multiboot.html
  #Boot-information-format)?

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