Add ns16550 serial device emulation

The ns16550 is a widely use serial device so we add a simplified
ns16550 device emulation which is good enough for Linux, OpenSBI,
and hypervisors to use as console.

Signed-off-by: Anup Patel <anup@brainfault.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/riscv/sim.h b/riscv/sim.h
index 91b25c2..a09c6e5 100644
--- a/riscv/sim.h
+++ b/riscv/sim.h
@@ -83,6 +83,7 @@ private:
   std::unique_ptr<rom_device_t> boot_rom;
   std::unique_ptr<clint_t> clint;
   std::unique_ptr<plic_t> plic;
+  std::unique_ptr<ns16550_t> ns16550;
   bus_t bus;
   log_file_t log_file;