135 lines
4.1 KiB
C
135 lines
4.1 KiB
C
//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Desc: Kernel shell //
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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 "shell.h"
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Command_t cmdtable[] =
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{
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{ "beep", CmdBeep, "Make a beep" },
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{ "date", CmdDate, "Print date" },
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{ "exit", CmdQuit, "Initiate shutdown" },
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{ "help", CmdHelp, "Show this message" },
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{ "mmap", CmdMemMap, "Show memory map" },
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{ "musage", CmdMemUsage, "Show memory statistics" },
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{ "quit", CmdQuit, "Alias for 'exit'" },
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{ NULL, NULL, NULL }
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};
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error_t CmdBeep(int argc, char **argv, char *cmdline)
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{
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if (rand() % 64 == 0 || (argc > 1 && !strcmp(argv[1], "starwars"))) {
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IoDoStarWars();
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}
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else IoDoBeep();
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return EOK;
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}
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error_t CmdQuit(int argc, char **argv, char *cmdline)
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{
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PoShutdownQemu();
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return EOK;
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}
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error_t CmdHelp(int argc, char **argv, char *cmdline)
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{
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uint count = 0;
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Command_t *cmd;
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if (argc == 1) {
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KernLog("List of all shell built-ins:\n");
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for (cmd = cmdtable; cmd->name != NULL; cmd++, count++) {
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KernLog("\t%s\t\t%s\n", cmd->name, cmd->help);
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}
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KernLog("End of list; %u commands total\n", count);
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}
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return EOK;
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}
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error_t CmdDate(int argc, char **argv, char *cmdline)
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{
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IoPrintRtcTime();
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return EOK;
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}
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error_t CmdMemMap(int argc, char **argv, char *cmdline)
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{
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MmPrintMemoryMap();
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return EOK;
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}
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#define ADDR_TO_MB(x) ((x)>>20)
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#define ADDR_TO_KB(x) (((x)>>10)&(KB-1))
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#define ADDR_TO_B(x) ((x)&(KB-1))
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error_t CmdMemUsage(int argc, char **argv, char *cmdline)
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{
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size_t start, end;
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size_t diff, max;
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ulong flags = KePauseIRQs();
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start = (size_t)_heap_start;
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end = (size_t)_heap_end;
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max = _heap_max;
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KeRestoreIRQs(flags);
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diff = (size_t)end - (size_t)start;
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KernLog("Heap start:\t\t%p (%luMB + %luKB + %luB)\n",
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start, ADDR_TO_MB(start),
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ADDR_TO_KB(start),
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ADDR_TO_B(start));
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KernLog("Heap end:\t\t%p (%luMB + %luKB + %luB)\n",
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end, ADDR_TO_MB(end),
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ADDR_TO_KB(end),
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ADDR_TO_B(end));
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KernLog("Heap size:\t\t%p (%luMB + %luKB + %luB)\n",
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diff, ADDR_TO_MB(diff),
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ADDR_TO_KB(diff),
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ADDR_TO_B(diff));
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KernLog("Max heap size:\t%luMB + %luKB + %luB\n",
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ADDR_TO_MB(max),
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ADDR_TO_KB(max),
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ADDR_TO_B(max));
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return EOK;
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}
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