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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 CmdStarWars(int argc, char **argv, char *cmdline)
{
IoDoStarWars();
return EOK;
}
error_t CmdQuit(int argc, char **argv, char *cmdline)
{
PoShutdown();
return EOK;
}
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("%s\n", cmd->help);
}
KernLog("End of list; %u commands total\n", count);
}
return EOK;
}
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)
{
char var;
(void)var;
size_t stack_cur;
size_t img_diff, stack_diff;
size_t heap_start, heap_end;
size_t heap_diff, heap_max;
ulong flags = KePauseIRQs();
heap_start = (size_t)_heap_start;
heap_end = (size_t)_heap_end;
heap_max = _heap_max;
KeRestoreIRQs(flags);
img_diff = (size_t)BtLoaderInfo.kernelEndAddr
- (size_t)BtLoaderInfo.kernelAddr;
stack_diff = (size_t)BtLoaderInfo.stackEndAddr
- ((size_t)BtLoaderInfo.kernelEndAddr + 16);
heap_diff = (size_t)heap_end - (size_t)heap_start;
stack_cur = (size_t)BtLoaderInfo.stackEndAddr - (size_t)&var;
KernLog("Kernel image\n");
KernLog("\tstarts at:\t\t%p (%4luMB + %4luKB + %4luB)\n",
BtLoaderInfo.kernelAddr,
_ADDR_TO_MB((size_t)BtLoaderInfo.kernelAddr),
_ADDR_TO_KB((size_t)BtLoaderInfo.kernelAddr),
_ADDR_TO_B((size_t)BtLoaderInfo.kernelAddr));
KernLog("\tends at:\t\t%p (%4luMB + %4luKB + %4luB)\n",
(size_t)BtLoaderInfo.kernelEndAddr,
_ADDR_TO_MB((size_t)BtLoaderInfo.kernelEndAddr),
_ADDR_TO_KB((size_t)BtLoaderInfo.kernelEndAddr),
_ADDR_TO_B((size_t)BtLoaderInfo.kernelEndAddr));
KernLog("\tsize:\t\t\t%4luMB + %4luKB + %4luB (%p)\n",
_ADDR_TO_MB(img_diff),
_ADDR_TO_KB(img_diff),
_ADDR_TO_B(img_diff),
img_diff);
KernLog("Kernel stack\n");
KernLog("\tstarts at:\t\t%p (%4luMB + %4luKB + %4luB)\n",
BtLoaderInfo.kernelEndAddr,
_ADDR_TO_MB((size_t)BtLoaderInfo.stackEndAddr),
_ADDR_TO_KB((size_t)BtLoaderInfo.stackEndAddr),
_ADDR_TO_B((size_t)BtLoaderInfo.stackEndAddr));
KernLog("\tcurrently at:\t%p (%4luMB + %4luKB + %4luB)\n",
(size_t)&var,
_ADDR_TO_MB((size_t)&var),
_ADDR_TO_KB((size_t)&var),
_ADDR_TO_B((size_t)&var));
KernLog("\tmin address:\t%p (%4luMB + %4luKB + %4luB)\n",
(size_t)BtLoaderInfo.kernelEndAddr+16,
_ADDR_TO_MB((size_t)BtLoaderInfo.kernelEndAddr+16),
_ADDR_TO_KB((size_t)BtLoaderInfo.kernelEndAddr+16),
_ADDR_TO_B((size_t)BtLoaderInfo.kernelEndAddr+16));
KernLog("\tsize (cur):\t\t%4luMB + %4luKB + %4luB (%p)\n",
_ADDR_TO_MB(stack_cur),
_ADDR_TO_KB(stack_cur),
_ADDR_TO_B(stack_cur),
stack_cur);
KernLog("\tsize (max):\t\t%4luMB + %4luKB + %4luB (%p)\n",
_ADDR_TO_MB(stack_diff),
_ADDR_TO_KB(stack_diff),
_ADDR_TO_B(stack_diff),
stack_diff);
KernLog("Kernel heap\n");
KernLog("\tstarts at:\t\t%p (%4luMB + %4luKB + %4luB)\n",
heap_start, _ADDR_TO_MB(heap_start),
_ADDR_TO_KB(heap_start),
_ADDR_TO_B(heap_start));
KernLog("\tends at:\t\t%p (%4luMB + %4luKB + %4luB)\n",
heap_end, _ADDR_TO_MB(heap_end),
_ADDR_TO_KB(heap_end),
_ADDR_TO_B(heap_end));
KernLog("\tmax addr:\t\t%p (%4luMB + %4luKB + %4luB)\n",
heap_start + heap_max,
_ADDR_TO_MB(heap_start + heap_max),
_ADDR_TO_KB(heap_start + heap_max),
_ADDR_TO_B(heap_start + heap_max));
KernLog("\tsize (cur):\t\t%4luMB + %4luKB + %4luB (%p)\n",
_ADDR_TO_MB(heap_diff),
_ADDR_TO_KB(heap_diff),
_ADDR_TO_B(heap_diff),
heap_diff);
KernLog("\tsize (max):\t\t%4luMB + %4luKB + %4luB (%p)\n",
_ADDR_TO_MB(heap_max),
_ADDR_TO_KB(heap_max),
_ADDR_TO_B(heap_max),
heap_max);
return EOK;
}
extern void pstest(void);
error_t CmdPsTest(int argc, char **argv, char *cmdline)
{
// pstest();
return EOK;
}
error_t CmdDie(int argc, char **argv, char *cmdline)
{
*(char *)NULL += 1;
return EOK;
}
error_t CmdPF(int argc, char **argv, char *cmdline)
{
*((char*)0xDEADBEEF0) = 1;
return EOK;
}
error_t CmdShell(int argc, char **argv, char *cmdline)
{
extern void KeStartShell(void);
KeStartShell();
return EOK;
}
//----------------------------------------------------------------------------//
Command_t cmdtable[] =
{
{ "beep", CmdBeep, "Make a beep" },
{ "date", CmdDate, "Print date" },
{ "die", CmdDie, "Die painfully" },
{ "exit", CmdQuit, "Initiate shutdown" },
{ "help", CmdHelp, "Show this message" },
{ "march", CmdStarWars, "Play the Imperial March"},
{ "mmap", CmdMemMap, "Show memory map" },
{ "musage", CmdMemUsage, "Show memory statistics" },
{ "pfault", CmdPF, "Provokes a PF" },
{ "pstest", CmdPsTest, "Scheduler test routine" },
{ "shell", CmdShell, "New shell instance" },
{ "quit", CmdQuit, "Alias for 'exit'" },
{ NULL, NULL, NULL }
};
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