lm32: take BQL before writing IP/IM register
Writing to these registers may raise an interrupt request. Actually,
this prevents the milkymist board from starting.
Cc: qemu-stable@nongnu.org
Signed-off-by: Michael Walle <michael@walle.cc>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
(cherry picked from commit 81e9cbd0ca
)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
stable-2.12
parent
ca3150da6d
commit
4f9df08749
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@ -102,12 +102,16 @@ void HELPER(wcsr_dc)(CPULM32State *env, uint32_t dc)
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void HELPER(wcsr_im)(CPULM32State *env, uint32_t im)
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{
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qemu_mutex_lock_iothread();
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lm32_pic_set_im(env->pic_state, im);
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qemu_mutex_unlock_iothread();
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}
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void HELPER(wcsr_ip)(CPULM32State *env, uint32_t im)
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{
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qemu_mutex_lock_iothread();
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lm32_pic_set_ip(env->pic_state, im);
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qemu_mutex_unlock_iothread();
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}
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void HELPER(wcsr_jtx)(CPULM32State *env, uint32_t jtx)
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