mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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97 lines
No EOL
3.3 KiB
C++
97 lines
No EOL
3.3 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <exosphere.hpp>
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namespace ams::log {
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namespace {
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constexpr inline uart::Port UartLogPort = uart::Port_ReservedDebug;
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constinit bool g_initialized_uart = false;
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constinit bool g_logging_enabled = false;
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constexpr inline u32 UartPortFlags = [] {
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if constexpr (UartLogPort == uart::Port_ReservedDebug) {
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/* Logging to the debug port. */
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/* Don't invert transactions. */
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return uart::Flag_None;
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} else if constexpr (UartLogPort == uart::Port_LeftJoyCon) {
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/* Logging to left joy-con (e.g. with Joyless). */
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/* Invert transactions. */
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return uart::Flag_Inverted;
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} else if constexpr (UartLogPort == uart::Port_RightJoyCon) {
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/* Logging to right joy-con (e.g. with Joyless). */
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/* Invert transactions. */
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return uart::Flag_Inverted;
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} else {
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__builtin_unreachable();
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}
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}();
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ALWAYS_INLINE void SetupUart() {
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if constexpr (UartLogPort == uart::Port_ReservedDebug) {
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/* Logging to the debug port. */
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pinmux::SetupUartA();
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clkrst::EnableUartAClock();
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} else if constexpr (UartLogPort == uart::Port_LeftJoyCon) {
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/* Logging to left joy-con (e.g. with Joyless). */
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static_assert(uart::Port_LeftJoyCon == uart::Port_C);
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pinmux::SetupUartC();
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clkrst::EnableUartCClock();
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} else if constexpr (UartLogPort == uart::Port_RightJoyCon) {
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/* Logging to right joy-con (e.g. with Joyless). */
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static_assert(uart::Port_RightJoyCon == uart::Port_B);
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pinmux::SetupUartB();
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clkrst::EnableUartBClock();
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} else {
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__builtin_unreachable();
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}
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}
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}
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void Initialize() {
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/* Initialize pinmux and clock for the target uart port. */
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SetupUart();
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/* Initialize the target uart port. */
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uart::Initialize(UartLogPort, 115200, UartPortFlags);
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/* Note that we've initialized. */
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g_initialized_uart = true;
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}
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void Finalize() {
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g_initialized_uart = false;
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}
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void SetDebugLogEnabled(bool en) {
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g_logging_enabled = en;
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}
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void SendText(const void *text, size_t size) {
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if (g_initialized_uart && g_logging_enabled) {
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uart::SendText(UartLogPort, text, size);
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}
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}
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void Flush() {
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if (g_initialized_uart && g_logging_enabled) {
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uart::WaitFlush(UartLogPort);
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}
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}
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} |