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[Bug 1630723] Re: UART writes to netduino2/stm32f205-soc disappear

From: Philippe Mathieu-Daudé
Subject: [Bug 1630723] Re: UART writes to netduino2/stm32f205-soc disappear
Date: Sun, 08 Nov 2020 15:39:29 -0000

Example program tested successfully on commit 3493c36f037.

Eventually fixed by fc38a1120c2 ("Remove checks on MAX_SERIAL_PORTS that
are just bounds checks").

** Changed in: qemu
       Status: Incomplete => Fix Released

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  UART writes to netduino2/stm32f205-soc disappear

Status in QEMU:
  Fix Released

Bug description:
  Writes to UART 2 and 3 disappear. As a sanity check I put printf
  statements in the function stm32f2xx_usart_write in
  qemu/hw/char/stm32f2xx_usart.c and recompiled qemu. The result
  confirmed text sent to UART1 and UART4 are sent to that function while
  text sent to UART 2 and 3 are not. I assume writes to all 4 need to
  make it to that function for emulations to operate correctly.

  Example code that writes to all 4 UARTs/USARTs (does not contain the printf 
statements mention above):

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