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Author SHA1 Message Date
Dr. David Alan Gilbert 222f23f508 tcg/arm: remove fixed map code buffer restriction 
On ARM, don't map the code buffer at a fixed location, and fix up the
call/goto tcg routines to let it do long jumps.

Mapping the code buffer at a fixed address could sometimes result in it being
mapped over the top of the heap with pretty random results.

Signed-off-by: Dr. David Alan Gilbert <david.gilbert@linaro.org>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
 2011-12-14 21:58:18 +01:00
Dr. David Alan Gilbert 97cc75606a linux-user: Implement new ARM 64 bit cmpxchg kernel helper 
linux-user: Implement new ARM 64 bit cmpxchg kernel helper

Linux 3.1 will have a new kernel-page helper for ARM implementing
64 bit cmpxchg. Implement this helper in QEMU linux-user mode:
 * Provide kernel helper emulation for 64bit cmpxchg
 * Allow guest to object to guest offset to ensure it can map a page
 * Populate page with kernel helper version

Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Dr. David Alan Gilbert <david.gilbert@linaro.org>
 2011-09-09 10:46:02 +03:00
Dr. David Alan Gilbert 33fa8234c3 Fix last sector write on sd card 
When writing the last sector of an SD card using WRITE_MULTIPLE_BLOCK
QEmu throws an error saying that we've run off the end, and leaves
itself in the wrong state.

    Tested on ARM Vexpress model.

Signed-off-by: Dr. David Alan Gilbert <david.gilbert@linaro.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
 2011-07-29 09:33:48 -05:00