[PATCH 0/4] xen: improve console outputs

[AKASHI Takahiro]

This patch series improves the behavior and functionality of console
output on Xen:

Patch#1: allow for U-Boot banner
Patch#2-4: enable DEBUG_UART (or early printf)

AKASHI Takahiro (4):
  serial: serial_xen: print U-Boot banner and others
  arch: arm/xen: add putc() for debugging
  xen: add definitions for console_io
  serial: serial_xen: add DEBUG_UART support

 arch/arm/include/asm/xen/hypercall.h |  6 ++++++
 drivers/serial/Kconfig               | 14 +++++++++++---
 drivers/serial/serial_xen.c          | 22 ++++++++++++++++++++--
 include/xen/interface/xen.h          |  6 ++++++
 4 files changed, 43 insertions(+), 5 deletions(-)

-- 
2.28.0