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[Qemu-devel] [Bug 1438144] [NEW] Page sizes are not interpreted correctl


From: WGH
Subject: [Qemu-devel] [Bug 1438144] [NEW] Page sizes are not interpreted correctly for E500/E500MC
Date: Mon, 30 Mar 2015 11:21:21 -0000

Public bug reported:

http://cache.freescale.com/files/32bit/doc/ref_manual/E500CORERM.pdf - see 
2.12.5.2 MAS Register 1 (MAS1), p. 2-41
http://cache.freescale.com/files/32bit/doc/ref_manual/E500MCRM.pdf - see 
2.16.6.2 MAS Register 1 (MAS1), p. 2-54

According to these documents, variable page size for TLB1 is computed as
4K ** TSIZE.

However, QEMU always treats it as if it was 1K << TSIZE, even if options
like "-cpu e500mc" are supplied to qemu.

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1438144

Title:
  Page sizes are not interpreted correctly for E500/E500MC

Status in QEMU:
  New

Bug description:
  http://cache.freescale.com/files/32bit/doc/ref_manual/E500CORERM.pdf - see 
2.12.5.2 MAS Register 1 (MAS1), p. 2-41
  http://cache.freescale.com/files/32bit/doc/ref_manual/E500MCRM.pdf - see 
2.16.6.2 MAS Register 1 (MAS1), p. 2-54

  According to these documents, variable page size for TLB1 is computed
  as 4K ** TSIZE.

  However, QEMU always treats it as if it was 1K << TSIZE, even if
  options like "-cpu e500mc" are supplied to qemu.

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