[Qemu-devel] [Bug 670776] [NEW] Build errors on TEGRA2(ubuntu), testandset()

[hotdigi]

Public bug reported:

Build errors on TEGRA2(ubuntu)

/tmp/ccqt9Y5t.s: Assembler messages:
/tmp/ccqt9Y5t.s:1899: Error: selected processor does not support Thumb mode 
'swp r4, r4, [r2]'
/tmp/ccqt9Y5t.s:1974: Error: selected processor does not support Thumb mode 
'swp r5, r5, [ip]'
make[1]: *** [exec.o Error 1

qemu-lock.h

#elif defined(__arm__)
static inline int testandset (int *spinlock)
{
    register unsigned int ret;
    __asm__ __volatile__("swp %0, %1, [%2]"
                         : "=r"(ret)
                         : "0"(1), "r"(spinlock));
    return ret;
}

** Affects: qemu
     Importance: Undecided
         Status: New

-- 
Build errors on TEGRA2(ubuntu), testandset()
https://bugs.launchpad.net/bugs/670776
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Status in QEMU: New

Bug description:
Build errors on TEGRA2(ubuntu)

/tmp/ccqt9Y5t.s: Assembler messages:
/tmp/ccqt9Y5t.s:1899: Error: selected processor does not support Thumb mode 
'swp r4, r4, [r2]'
/tmp/ccqt9Y5t.s:1974: Error: selected processor does not support Thumb mode 
'swp r5, r5, [ip]'
make[1]: *** [exec.o Error 1

qemu-lock.h

#elif defined(__arm__)
static inline int testandset (int *spinlock)
{
    register unsigned int ret;
    __asm__ __volatile__("swp %0, %1, [%2]"
                         : "=r"(ret)
                         : "0"(1), "r"(spinlock));
    return ret;
}