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"
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int ShAtoi(char* str)
{
int res = 0;
for (int i = 0; str[i] != 0; ++i)
res = res * 10 + str[i] - '0';
return res;
}
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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++) {
KernLog("argv[%d]: '%s'\n", i, argv[i]);
}
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return EOK;
}
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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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error_t CmdClear(int argc, char **argv, char *cmdline)
{
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BLockBuf(BStdOut);
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BStdOut->wp = BStdOut->rp = BStdOut->buf;
BStdOut->lastLF = 0;
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BUnlockBuf(BStdOut);
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return EOK;
}
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error_t CmdColor(int argc, char **argv, char *cmdline)
{
int col = 0;
char *p;
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if (argc > 2) {
KernLog("Usage: 'color [#|list]'\n");
return EINVAL;
}
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if (argc == 1) {
KernLog("Current color: %s (%d)\n", RtlColorNames[shcol], shcol);
}
else if (!strcmp(argv[1], "list")) {
KernLog("Available colors:\n");
for (col = 0; col <= VGA_COLOR_WHITE; col++) {
KernLog("%d - %s\n", col, RtlColorNames[col]);
}
}
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else {
p = argv[1];
while (isdigit(*p) && col < VGA_COLOR_WHITE) {
col = 10 * col + *p++ - '0';
}
if (*p || col < VGA_COLOR_BLACK || col > VGA_COLOR_WHITE) {
KernLog("Invalid color: %d\n", col);
KernLog("Usage: 'color [#|list]'\n");
return EINVAL;
}
else {
shcol = col;
}
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}
return EOK;
}
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error_t CmdCpuid(int argc, char **argv, char *cmdline)
{
return EOK;
}
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error_t CmdDate(int argc, char **argv, char *cmdline)
{
KernLog("%.10s\n", KeFormatCurTime());
return EOK;
}
error_t CmdDie(int argc, char **argv, char *cmdline)
{
*(char *)NULL += 1;
return EOK;
}
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error_t CmdDumpATASect(int argc, char **argv, char *cmdline)
{
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char sector[600] = {0};
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int sectNumber = ShAtoi(argv[1]);
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int x = 0;
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int step = 16 ;
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if (!sectNumber) {
KernLog("Bad argument\n\n");
return EINVAL;
}
KernLog("Sector number: %d\n", sectNumber);
IoReadATA(sector, 1, sectNumber);
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while(x < 512) {
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KernLog("%C", shcol);
for (int i = 0; i < step; i++) {
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KernLog("%02x ", (uchar)sector[i+x]);
}
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KernLog(" %C ", VGA_COLOR_LIGHT_BLUE);
for (int i = 0; i < step; i++) {
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if (isprint(sector[i+x]))
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KernLog("%c",
sector[i+x]
);
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else
KernLog("%c", 0);
}
KernLog("\n");
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x += step;
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}
KernLog("\n\n");
return EOK;
}
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error_t CmdHelp(int argc, char **argv, char *cmdline)
{
uint i, count = 0;
Command_t *cmd;
if (argc == 1) {
KernLog("List of all shell built-ins:\n");
for (cmd = cmdtable; cmd->name != NULL; cmd++, count++) {
KernLog("\t%s", cmd->name);
for (i = strlen(cmd->name)/4; i<3; i++) {
KernLog("\t");
}
KernLog("%C%s%C\n", VGA_COLOR_DARK_GREY, cmd->help, shcol);
}
KernLog("End of list; %u commands total\n", count);
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}
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return EOK;
}
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error_t CmdMemMap(int argc, char **argv, char *cmdline)
{
MmPrintMemoryMap();
return EOK;
}
error_t CmdMemUsage(int argc, char **argv, char *cmdline);
error_t CmdPF(int argc, char **argv, char *cmdline)
{
for (int i = 0; i < 32; i++) {
KernLog("%dGB ", i);
*((char*)(i*GB)) = 1;
}
return EOK;
}
error_t CmdPsTest(int argc, char **argv, char *cmdline)
{
// pstest();
return EOK;
}
error_t CmdQuit(int argc, char **argv, char *cmdline)
{
PoShutdown();
return EOK;
}
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error_t CmdReloadPage(int argc, char **argv, char *cmdline)
{
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MmReloadPaging();
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return EOK;
}
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error_t CmdShell(int argc, char **argv, char *cmdline)
{
KeStartShell();
return EOK;
}
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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;
}
error_t CmdStackUnderflow(int argc, char **argv, char *cmdline)
{
for (int i = 0 ;; i++) {
asm volatile ("pop %rax\n");
}
return EOK;
}
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error_t CmdStarWars(int argc, char **argv, char *cmdline)
{
IoDoStarWars();
return EOK;
}
error_t CmdTest(int argc, char **argv, char *cmdline)
{
KernLog("%s\n", &KeFormatCurTime()[13]);
return EOK;
}
error_t CmdTime(int argc, char **argv, char *cmdline)
{
KernLog("%s\n", &KeFormatCurTime()[13]);
return EOK;
}
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error_t CmdVersion(int argc, char **argv, char *cmdline)
{
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int CH = VGA_COLOR_LIGHT_BLUE;
int CN = shcol;
KernLog("OS/K version %C%s (x86-64)%C\n",
CH,
_KALEID_VERSION,
CN
);
KernLog("Copyright (C) 2018-2019 The OS/K Team\n\n");
KernLog("This program is free software, released under the\n");
KernLog("terms of the GNU GPL version 3 or later as published\n");
KernLog("by the Free Software Foundation.\n");
KernLog("You are free to change and redistribute it.\n");
KernLog("There is NO WARRANTY, to the extent permitted by law.\n");
KernLog("See <http://gnu.org/licenses/gpl.html>\n\n");
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return EOK;
}
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//----------------------------------------------------------------------------//
Command_t cmdtable[] =
{
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{ "args", CmdArgs, "Print command line" },
{ "beep", CmdBeep, "Make a beep" },
{ "cls", CmdClear, "Clears standard output" },
{ "color", CmdColor, "Change shell text color" },
{ "cpuid", CmdCpuid, "Request a cpuid info." },
{ "date", CmdDate, "Print date" },
{ "die", CmdDie, "Die painfully" },
{ "dmpsec", CmdDumpATASect, "Dump an ATA sector on screen" },
{ "help", CmdHelp, "Show this message" },
{ "mmap", CmdMemMap, "Show memory map" },
{ "musage", CmdMemUsage, "Show memory statistics" },
{ "pfault", CmdPF, "Provoke a PF. Usage: pfault <address>"},
{ "pstest", CmdPsTest, "Scheduler test routine" },
{ "exit", CmdQuit, "Initiate shutdown" },
{ "quit", CmdQuit, "Alias for 'exit'" },
{ "rpag", CmdReloadPage, "Reload the pages directory" },
{ "shell", CmdShell, "Start a new shell (nested)", },
{ "stkov", CmdStackOverflow, "Provoke a stack overflow" },
{ "stkun", CmdStackUnderflow, "Provoke a stack underflow" },
{ "march", CmdStarWars, "Play the Imperial March" },
{ "time", CmdTime, "Print time" },
{ "ver", CmdVersion, "Version and legal infos" },
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{ NULL, NULL, NULL }
};
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