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155 lines
4.2 KiB
C
155 lines
4.2 KiB
C
//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: Terminal-related functions //
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// //
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// //
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// Copyright © 2018-2019 The OS/K Team //
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// //
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// This file is part of OS/K. //
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// //
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// OS/K is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 3 of the License, or //
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// any later version. //
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// //
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// OS/K is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY//without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for 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 OS/K. If not, see <https://www.gnu.org/licenses/>. //
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//----------------------------------------------------------------------------//
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#include <kernel/term.h>
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extern void VGA_Init(void);
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extern Terminal_t VGA_Terminal;
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//
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// Initializes standard output
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//
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void InitTerms(void)
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{
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KalAssert(!GetStdOut() && !GetStdDbg());
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VGA_Init();
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SetStdDbg(&VGA_Terminal);
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SetStdOut(&VGA_Terminal);
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ClearTerm(GetStdOut());
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}
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//
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// Fills terminal with spaces
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//
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error_t ClearTerm(Terminal_t *term)
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{
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error_t retcode;
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if (term == NULL) return EINVAL;
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KalAssert(term->initDone == INITOK);
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AquireLock(&term->lock);
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retcode = term->ClearTermUnlocked(term);
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ReleaseLock(&term->lock);
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return retcode;
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}
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//
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// Changes the color code
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//
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error_t ChTermColor(Terminal_t *term, TermColor_t fgColor, TermColor_t bgColor)
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{
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if (fgColor > KTERM_COLOR_WHITE || bgColor > KTERM_COLOR_WHITE)
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return EINVAL;
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if (term == NULL)
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return EINVAL;
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AquireLock(&term->lock);
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term->fgColor = fgColor;
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term->bgColor = bgColor;
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ReleaseLock(&term->lock);
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return EOK;
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}
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//
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// Writes a single character on the terminal
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//
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error_t PutOnTerm(Terminal_t *term, char ch)
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{
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error_t retcode;
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if (term == NULL) return EINVAL;
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KalAssert(term->initDone == INITOK);
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AquireLock(&term->lock);
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retcode = term->PutOnTermUnlocked(term, ch);
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ReleaseLock(&term->lock);
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return retcode;
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}
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//
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// Prints string on terminal
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//
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error_t PrintOnTerm(Terminal_t *term, const char *str)
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{
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error_t retcode = EOK;
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if (term == NULL) return EINVAL;
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KalAssert(term->initDone == INITOK);
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AquireLock(&term->lock);
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while (*str && retcode == EOK) {
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retcode = term->PutOnTermUnlocked(term, *str++);
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}
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ReleaseLock(&term->lock);
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return retcode;
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}
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//
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// Prints formatted string on standard output
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// Prints at most KLOG_MAX_BUFSIZE characters
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//
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error_t KernLog(const char *fmt, ...)
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{
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va_list ap;
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char logbuf[KLOG_MAX_BUFSIZE];
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va_start(ap, fmt);
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vsnprintf(logbuf, KLOG_MAX_BUFSIZE, fmt, ap);
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va_end(ap);
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return PrintOnTerm(GetStdOut(), logbuf);
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}
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#ifndef _NO_DEBUG
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//
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// Prints formatted string on debug output
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// Prints at most KLOG_MAX_BUFSIZE characters
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//
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error_t DebugLog(const char *fmt, ...)
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{
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va_list ap;
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char logbuf[KLOG_MAX_BUFSIZE];
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va_start(ap, fmt);
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vsnprintf(logbuf, KLOG_MAX_BUFSIZE, fmt, ap);
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va_end(ap);
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return PrintOnTerm(GetStdDbg(), logbuf);
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}
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#endif
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