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authorDmitry Osipenko <digetx@gmail.com>2016-10-24 16:26:53 +0100
committerPeter Maydell <peter.maydell@linaro.org>2016-10-24 16:26:53 +0100
commit226fb5aaff8157472f97c63193660732a215d87f (patch)
treef892fbb5d25a85d5bcd3288ec507fa350a7d0552 /hw/timer/stm32f2xx_timer.c
parent33d44cdf00f5e2520c2ff3ece162a317f408cefb (diff)
downloadfocaccia-qemu-226fb5aaff8157472f97c63193660732a215d87f.tar.gz
focaccia-qemu-226fb5aaff8157472f97c63193660732a215d87f.zip
arm_mptimer: Convert to use ptimer
Current ARM MPTimer implementation uses QEMUTimer for the actual timer,
this implementation isn't complete and mostly tries to duplicate of what
generic ptimer is already doing fine.

Conversion to ptimer brings the following benefits and fixes:
	- Simple timer pausing implementation
	- Fixes counter value preservation after stopping the timer
	- Properly handles prescaler != 0 / counter = 0 / load = 0 cases
	- Code simplification and reduction

Bump VMSD to version 3, since VMState is changed and is not compatible
with the previous implementation.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: 37f378c33bb5a28d5cd71167a6bd5bff5e59cbc3.1475421224.git.digetx@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/timer/stm32f2xx_timer.c')
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