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os-k/kaleid/kernel/sh/shcmds.c

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//----------------------------------------------------------------------------//
// GNU GPL OS/K //
// //
// Desc: Kernel shell //
// //
// //
// Copyright © 2018-2019 The OS/K Team //
// //
// This file is part of OS/K. //
// //
// OS/K is free software: you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation, either version 3 of the License, or //
// any later version. //
// //
// OS/K is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY//without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#include "shell.h"
error_t CmdBeep(int argc, char **argv, char *cmdline)
{
if (rand() % 64 == 0 || (argc > 1 && !strcmp(argv[1], "starwars"))) {
IoDoStarWars();
}
else IoDoBeep();
return EOK;
}
error_t CmdQuit(int argc, char **argv, char *cmdline)
{
PoShutdownQemu();
return EOK;
}
error_t CmdHelp(int argc, char **argv, char *cmdline)
{
uint count = 0;
Command_t *cmd;
if (argc == 1) {
KernLog("List of all shell built-ins:\n");
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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}
return EOK;
}
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error_t CmdDate(int argc, char **argv, char *cmdline)
{
IoPrintRtcTime();
return EOK;
}
error_t CmdMemMap(int argc, char **argv, char *cmdline)
{
MmPrintMemoryMap();
return EOK;
}
error_t CmdMemUsage(int argc, char **argv, char *cmdline)
{
size_t start, end;
size_t diff, max;
ulong flags = KePauseIRQs();
start = (size_t)_heap_start;
end = (size_t)_heap_end;
max = _heap_max;
KeRestoreIRQs(flags);
diff = (size_t)end - (size_t)start;
KernLog("Heap start:\t\t%p (%luMB + %luKB + %luB)\n",
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start, _ADDR_TO_MB(start),
_ADDR_TO_KB(start),
_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),
_ADDR_TO_KB(end),
_ADDR_TO_B(end));
KernLog("Heap size:\t\t%luMB + %luKB + %luB (%#lx)\n",
_ADDR_TO_MB(diff),
_ADDR_TO_KB(diff),
_ADDR_TO_B(diff),
diff);
KernLog("Max heap size:\t%luMB + %luKB + %luB (%#lx)\n",
_ADDR_TO_MB(max),
_ADDR_TO_KB(max),
_ADDR_TO_B(max),
max);
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return EOK;
}
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extern void pstest(void);
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error_t CmdPsTest(int argc, char **argv, char *cmdline)
{
pstest();
return EOK;
}
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error_t CmdDie(int argc, char **argv, char *cmdline)
{
*(char *)NULL += 1;
return EOK;
}
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//----------------------------------------------------------------------------//
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Command_t cmdtable[] =
{
{ "beep", CmdBeep, "Make a beep" },
{ "date", CmdDate, "Print date" },
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{ "die", CmdDie, "Die painfully" },
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{ "exit", CmdQuit, "Initiate shutdown" },
{ "help", CmdHelp, "Show this message" },
{ "mmap", CmdMemMap, "Show memory map" },
{ "musage", CmdMemUsage, "Show memory statistics" },
{ "pstest", CmdPsTest, "Scheduler test routine" },
{ "quit", CmdQuit, "Alias for 'exit'" },
{ NULL, NULL, NULL }
};
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