[Qemu-devel] [Bug 1630723] [NEW] UART writes to netduino2/stm32f205-soc disappear

[Seth]

Public bug reported:

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):
https://github.com/skintigh/baremetal_netduino2

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1630723

Title:
  UART writes to netduino2/stm32f205-soc disappear

Status in QEMU:
  New

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):
  https://github.com/skintigh/baremetal_netduino2

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