263 lines
7.6 KiB
C
263 lines
7.6 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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error_t CmdArgs(int argc, char **argv, char *cmdline)
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{
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int i;
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KernLog("cmdline: '%s'\nargc: %d\n", cmdline, argc);
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for (i = 0; i < argc; i++) {
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KernLog("argv[%d]: '%s'\n", i, argv[i]);
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}
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return EOK;
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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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IoDoBeep();
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return EOK;
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}
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error_t CmdClear(int argc, char **argv, char *cmdline)
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{
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BLockBuf(BStdOut);
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BStdOut->wp = BStdOut->rp = BStdOut->buf;
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BStdOut->lastLF = 0;
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BUnlockBuf(BStdOut);
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return EOK;
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}
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error_t CmdColor(int argc, char **argv, char *cmdline)
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{
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int col = 0;
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char *p;
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if (argc > 2) {
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KernLog("Usage: 'color [#|list]'\n");
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return EINVAL;
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}
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if (argc == 1) {
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KernLog("Current color: %s (%d)\n", RtlColorNames[shcol], shcol);
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}
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else if (!strcmp(argv[1], "list")) {
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KernLog("Available colors:\n");
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for (col = 0; col <= VGA_COLOR_WHITE; col++) {
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KernLog("%d - %s\n", col, RtlColorNames[col]);
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}
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}
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else {
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p = argv[1];
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while (isdigit(*p) && col < VGA_COLOR_WHITE) {
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col = 10 * col + *p++ - '0';
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}
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if (*p || col < VGA_COLOR_BLACK || col > VGA_COLOR_WHITE) {
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KernLog("Invalid color: %d\n", col);
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KernLog("Usage: 'color [#|list]'\n");
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return EINVAL;
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}
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else {
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shcol = col;
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}
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}
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return EOK;
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}
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error_t CmdCpuid(int argc, char **argv, char *cmdline)
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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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KernLog("%.10s\n", KeFormatCurTime());
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return EOK;
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}
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error_t CmdDie(int argc, char **argv, char *cmdline)
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{
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*(char *)NULL += 1;
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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 i, 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", cmd->name);
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for (i = strlen(cmd->name)/4; i<3; i++) {
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KernLog("\t");
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}
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KernLog("%C%s%C\n", VGA_COLOR_DARK_GREY, cmd->help, shcol);
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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 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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error_t CmdMemUsage(int argc, char **argv, char *cmdline);
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error_t CmdPF(int argc, char **argv, char *cmdline)
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{
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for (int i = 0; i < 32; i++) {
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KernLog("%dGB ", i);
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*((char*)(i*GB)) = 1;
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}
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return EOK;
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}
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error_t CmdPsTest(int argc, char **argv, char *cmdline)
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{
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// pstest();
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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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PoShutdown();
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return EOK;
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}
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error_t CmdReloadPage(int argc, char **argv, char *cmdline)
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{
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MmReloadPaging();
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return EOK;
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}
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error_t CmdShell(int argc, char **argv, char *cmdline)
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{
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KeStartShell();
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return EOK;
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}
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error_t CmdStackOverflow(int argc, char **argv, char *cmdline)
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{
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CmdStackOverflow(0, 0, 0);
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return EOK;
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}
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error_t CmdStackUnderflow(int argc, char **argv, char *cmdline)
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{
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for (int i = 0 ;; i++) {
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asm volatile ("pop %rax\n");
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}
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return EOK;
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}
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error_t CmdStarWars(int argc, char **argv, char *cmdline)
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{
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IoDoStarWars();
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return EOK;
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}
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error_t CmdTest(int argc, char **argv, char *cmdline)
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{
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KernLog("%s\n", &KeFormatCurTime()[13]);
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return EOK;
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}
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error_t CmdTime(int argc, char **argv, char *cmdline)
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{
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KernLog("%s\n", &KeFormatCurTime()[13]);
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return EOK;
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}
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error_t CmdVersion(int argc, char **argv, char *cmdline)
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{
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int CH = VGA_COLOR_LIGHT_BLUE;
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int CN = shcol;
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KernLog("OS/K version %C%s (x86-64)%C\n",
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CH,
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_KALEID_VERSION,
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CN
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);
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KernLog("Copyright (C) 2018-2019 The OS/K Team\n\n");
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KernLog("This program is free software, released under the\n");
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KernLog("terms of the GNU GPL version 3 or later as published\n");
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KernLog("by the Free Software Foundation.\n");
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KernLog("You are free to change and redistribute it.\n");
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KernLog("There is NO WARRANTY, to the extent permitted by law.\n");
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KernLog("See <http://gnu.org/licenses/gpl.html>\n\n");
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return EOK;
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}
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//----------------------------------------------------------------------------//
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Command_t cmdtable[] =
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{
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{ "args", CmdArgs, "Print command line" },
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{ "beep", CmdBeep, "Make a beep" },
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{ "cls", CmdClear, "Clears standard output" },
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{ "color", CmdColor, "Change shell text color" },
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{ "cpuid", CmdCpuid, "Request a cpuid info." },
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{ "date", CmdDate, "Print date" },
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{ "die", CmdDie, "Die painfully" },
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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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{ "pfault", CmdPF, "Provoke a PF. Usage : pfault <address>" },
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{ "pstest", CmdPsTest, "Scheduler test routine" },
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{ "exit", CmdQuit, "Initiate shutdown" },
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{ "quit", CmdQuit, "Alias for 'exit'" },
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{ "rpag", CmdReloadPage, "Reload the pages directory" },
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{ "shell", CmdShell, "Start a new shell (nested)", },
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{ "stkov", CmdStackOverflow, "Provoke a stack overflow" },
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{ "stkun", CmdStackUnderflow, "Provoke a stack underflow" },
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{ "march", CmdStarWars, "Play the Imperial March"},
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{ "time", CmdTime, "Print time" },
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{ "test", CmdTime, "Undocumented (various tests)" },
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{ "ver", CmdVersion, "Version and legal infos" },
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{ NULL, NULL, NULL }
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};
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