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https://github.com/Atmosphere-NX/Atmosphere.git
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55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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* Copyright (c) 2019 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 <stdio.h>
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#include "debug_log.h"
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#include "platform/uart.h"
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#include "semihosting.h"
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#include "utils.h"
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#include "transport_interface.h"
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#include "platform/uart.h"
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#ifndef DLOG_USE_SEMIHOSTING_WRITE0
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#define DLOG_USE_SEMIHOSTING_WRITE0 1
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#endif
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static TransportInterface *g_debugLogTransportInterface;
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void debugLogInit(void)
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{
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if (!DLOG_USE_SEMIHOSTING_WRITE0) {
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transportInterfaceCreate(TRANSPORT_INTERFACE_TYPE_UART, DEFAULT_UART, DEFAULT_UART_FLAGS, NULL, NULL, NULL);
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}
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}
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// NOTE: UNSAFE!
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int debugLog(const char *fmt, ...)
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{
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char buf[128];
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va_list args;
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va_start(args, fmt);
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int res = vsprintf(buf, fmt, args);
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va_end(args);
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// Use semihosting if available (we assume qemu was launched with -semihosting), otherwise UART
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if (DLOG_USE_SEMIHOSTING_WRITE0 && semihosting_connection_supported()) {
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semihosting_write_string(buf);
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} else {
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transportInterfaceWriteData(g_debugLogTransportInterface, buf, res);
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}
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return res;
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}
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