# Copyright 2019 The Hafnium Authors.
#
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/BSD-3-Clause.

import("args.gni")

# aarch64 PL011 implementation of putchar for debugging.
source_set("pl011") {
  sources = [ "pl011.c" ]
  deps = [ "//src/arch/aarch64:arch" ]

  assert(defined(pl011_base_address),
         "\"pl011_base_address\" must be defined for ${target_name}.")

  assert(defined(pl011_clock),
         "\"pl011_clock\" must be defined for ${target_name}.")

  assert(defined(pl011_baudrate),
         "\"pl011_baudrate\" must be defined for ${target_name}.")

  defines = [
    "PL011_BASE=${pl011_base_address}",
    "PL011_CLOCK=${pl011_clock}",
    "PL011_BAUDRATE=${pl011_baudrate}",
  ]
}