1 // uart_virt.cc
2 // QEMU `virt` generic virtual platform
3 
4 
5 #include <hw.h>
6 #include <uart.h>
7 
8 
9 namespace Board {
10 namespace Uart {
11 
12 
13 namespace {
14 
15 constexpr uintptr_t UART_BASE = 0x01c28000;
16 
17 } // anonymous namespace
18 
19 
20 void initialize()
21 {
22     /* TBD! */
23     (void)UART_BASE;
24     // Hw::write32(UART_BASE + Pl011::CONTROL_REGISTER, ControlRegister.m_u.m_nValue);
25 }
26 
27 
28 void send(uint8_t nValue)
29 {
30     (void)nValue;
31     /* TBD! */
32     // Hw::write32(UART_BASE + Pl011::DATA_REGISTER, nValue);
33 }
34 
35 
36 uint8_t recv()
37 {
38     // return Hw::read32(UART_BASE + Pl011::DATA_REGISTER) & 0xff;
39     return 0;
40 }
41 
42 
43 } // namespace Uart
44 } // namespace Board