mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/*
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* Copyright (c) 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 DefaultLogPort = uart::Port_ReservedDebug;
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constexpr inline u32 DefaultLogFlags = static_cast<u32>(uart::Flag_None);
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constexpr inline int DefaultBaudRate = 115200;
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constinit uart::Port g_log_port = DefaultLogPort;
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constinit bool g_initialized_uart = false;
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ALWAYS_INLINE void SetupUartClock(uart::Port port) {
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/* The debug port must always be set up, for compatibility with official hos. */
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pinmux::SetupUartA();
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clkrst::EnableUartAClock();
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/* If logging to a joy-con port, configure appropriately. */
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if (port == 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 (port == 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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}
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}
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}
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void Initialize() {
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return Initialize(DefaultLogPort, DefaultBaudRate, DefaultLogFlags);
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}
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void Initialize(uart::Port port, u32 baud_rate, u32 flags) {
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/* Initialize pinmux and clock for the target uart port. */
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SetupUartClock(port);
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/* Initialize the target uart port. */
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uart::Initialize(port, baud_rate, flags);
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/* Note that we've initialized. */
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g_log_port = port;
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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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NOINLINE void VPrintf(const char *fmt, ::std::va_list vl) {
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/* TODO: What's a good size for the log buffer? Nintendo uses 0x100, but this seems big. */
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char log_buf[0x80];
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const auto len = util::TVSNPrintf(log_buf, sizeof(log_buf), fmt, vl);
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if (g_initialized_uart) {
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uart::SendText(g_log_port, log_buf, len);
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}
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}
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NOINLINE void Printf(const char *fmt, ...) {
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::std::va_list vl;
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va_start(vl, fmt);
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VPrintf(fmt, vl);
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va_end(vl);
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}
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NOINLINE void Dump(const void *src, size_t size) {
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const u8 *src_u8 = static_cast<const u8 *>(src);
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for (size_t i = 0; i < size; ++i) {
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if ((i % 0x20) == 0x00) {
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Printf("%03zx| ", i);
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}
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Printf("%02x ", src_u8[i]);
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if ((i % 0x20) == 0x1F) {
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Printf("\n");
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}
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}
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if ((size % 0x20) != 0) {
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Printf("\n");
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}
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}
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void SendText(const void *text, size_t size) {
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if (g_initialized_uart) {
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uart::SendText(g_log_port, text, size);
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}
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}
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void Flush() {
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if (g_initialized_uart) {
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uart::WaitFlush(g_log_port);
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}
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}
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}
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