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/*
* Copyright (c) 2020-2022, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <drivers/arm/pl011.h>
#include <drivers/console.h>
#include <ffa_helpers.h>
#include <ffa_svc.h>
#include <sp_debug.h>
#include <spm_helpers.h>
static int (*putc_impl)(int);
static int putc_hypcall(int c)
{
hvc_args args = {
.fid = FFA_CONSOLE_LOG_SMC32,
.arg1 = 1,
.arg2 = c
};
(void)tftf_hvc(&args);
return c;
}
static int putc_ffacall(int c)
{
struct ffa_value args = {
.fid = FFA_CONSOLE_LOG_SMC32,
.arg1 = 1,
.arg2 = c
};
ffa_service_call(&args);
return c;
}
static int putc_uart(int c)
{
console_pl011_putc(c);
return c;
}
void set_putc_impl(enum stdout_route route)
{
switch (route) {
case FFA_HVC_CALL_AS_STDOUT:
putc_impl = putc_hypcall;
return;
case FFA_SVC_SMC_CALL_AS_STDOUT:
putc_impl = putc_ffacall;
return;
case PL011_AS_STDOUT:
default:
break;
}
putc_impl = putc_uart;
}
int console_putc(int c)
{
if (!putc_impl) {
return -1;
}
return putc_impl(c);
}
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