more work on timers
This commit is contained in:
Adrien Bourmault
parent
5d7374de80
commit
f317310437
9
Makefile
9
Makefile
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@ -22,7 +22,7 @@
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# along with OS/K. If not, see <https://www.gnu.org/licenses/>. #
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#=----------------------------------------------------------------------------=#
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.PHONY: all test test32 debug gdb install dust clean OS/K
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.PHONY: all test test32 debug gdb install dust clean OS/K run
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.DELETE_ON_ERROR: $(BINDIR)/kaleid
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.DEFAULT_GOAL := all
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@ -119,9 +119,6 @@ KernSources = kernel/ke/cpuid.c kernel/mm/paging.c \
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KernObj=$(patsubst %.c,$(KOBJDIR)/%.o,$(KernSources))
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KernDep=$(patsubst %.c,$(KOBJDIR)/%.d,$(KernSources))
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all :
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@make OS/K -j 8
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## MISC MAKEFILE ------------------------------------------------------------- #
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./ProjectTree: ./.stylehlp_sh
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@ -263,6 +260,8 @@ $(LOBJDIR)/loader.o: $(LOADERDIR)/loader.asm $(LOADERDIR)/*/*.inc
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OS/K: $(dep) ./ProjectTree $(BINDIR)/kaleid
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@echo ${CL2}[[$@]] ${NC} OS/K successfully made, $(mode) mode.${CL3}
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all :
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@make OS/K -j 8
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## QEMU/DEBUG RELATED
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testkvm: all install
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@ -270,6 +269,8 @@ testkvm: all install
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-rtc base=localtime -m $(ram) -hda $(installdisk) \
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-d cpu_reset,guest_errors,pcall,int 2> $(BUILDDIR)/qemu.log &
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run: test
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test: all install
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@qemu-system-x86_64 -vga std -cpu $(cpu) -soundhw pcspk -s \
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-rtc base=localtime -m $(ram) -hda $(installdisk) \
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@ -63,6 +63,7 @@ void KeSetCurTime(Time_t);
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void KeEnablePIT(void);
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void KeSleep(uint);
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Timer_t *KeSetTimer(uint delay);
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int KeGetTimer(Timer_t*);
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//----------------------------------------------------------------------------//
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@ -27,7 +27,7 @@
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#include <ke/idt.h>
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#define COUNTDONE 1
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#define PIT_FREQUENCY 1000 // Hz = 10ms
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#define PIT_FREQUENCY 1000 // Hz = 1ms
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static Timer_t Timer[20]; //20 concurrent sleep max
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static ulong Ticks = 0;
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@ -65,33 +65,41 @@ static Timer_t* KeFindTimerBlock(void)
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void KeSleep(uint delay)
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{
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struct Timer_t *timerBlock;
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Timer_t *timerBlock;
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if ((timerBlock = (Timer_t*)KeFindTimerBlock()) == NULL)
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return;
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timerBlock->countDown = delay;
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timerBlock->countDown = delay * PIT_FREQUENCY / 1000;
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while (!timerBlock->sema) {
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KeDelayExecution(1);
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KeRelaxCPU();
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}
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timerBlock->sema = 0;
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}
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Timer_t *KeSetTimer(uint delay)
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{
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struct Timer_t *timerBlock;
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Timer_t *timerBlock;
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if ((timerBlock = (Timer_t*)KeFindTimerBlock()) == NULL)
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return NULL;
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timerBlock->countDown = delay;
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DebugLog("Timer set %d ms", delay);
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timerBlock->countDown = delay * PIT_FREQUENCY / 1000;
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return timerBlock;
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}
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int KeGetTimer(Timer_t *timerBlock)
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{
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if (!(timerBlock->sema)) {
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return 0;
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} else {
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timerBlock->sema = 0;
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return 1;
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}
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}
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void KeEnablePIT(void)
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{
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ulong flags = KePauseIRQs();
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@ -99,15 +107,15 @@ void KeEnablePIT(void)
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KeRegisterISR(HandlePIT, 0x20);
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IoWriteByteOnPort(0x43, 0x36); // 0x34 = 00110100 for rate gen
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IoWriteByteOnPort(0x43, 0x36); // 0x36 for rate gen
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IoWriteByteOnPort(0x40, (char)(divisor & 0xFF )); // low byte of freq
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IoWriteByteOnPort(0x40, (char)((divisor >> 8)& 0xFF)); // high byte of freq
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// Setting up the IRQs
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// Setting up the IRQ line
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KeUnmaskIRQ(0);
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DebugLog("\tPIT activated with rate generator mode %d ms\n", 1000/PIT_FREQUENCY);
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DebugLog("\tPIT activated with period %d ms\n", 1000/PIT_FREQUENCY);
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KeRestoreIRQs(flags);
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KeEnableNMI();
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@ -189,9 +189,6 @@ void KeEnableRTC(void)
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KeRegisterISR(HandleRTC, 0x28);
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// Setting up the register control and interrupt rates
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DebugLog("\tRTC interrupt frequency set to %d Hz\n",
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32768 >> (RTC_RATE - 1));
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IoWriteByteOnPort(0x70, 0x8B);
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readRegister = IoReadByteFromPort(0x71);
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IoWriteByteOnPort(0x70, 0x8B); // Because reading flushes
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@ -204,10 +201,9 @@ void KeEnableRTC(void)
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IoWriteByteOnPort(0x70, 0x0C);
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IoReadByteFromPort(0x71); // Flush
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// Setting up the IRQs
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// Setting up the IRQ line
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KeUnmaskIRQ(8);
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// Clean-up
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IoWriteByteOnPort(0x70, 0x0C); // Select status reg C
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IoReadByteFromPort(0x71); // Flush
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@ -217,6 +213,8 @@ void KeEnableRTC(void)
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KeEnableNMI();
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srand(KeGetTimeStamp()); // Initializes the kernel number generator
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DebugLog("\tRTC interrupt frequency set to %d Hz\n",
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32768 >> (RTC_RATE - 1));
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}
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void KeDelayExecution(uint time)
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@ -121,14 +121,6 @@ error_t CmdDate(int argc, char **argv, char *cmdline)
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return EOK;
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}
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error_t CmdSleep(int argc, char **argv, char *cmdline)
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{
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int delay = ShAtoi(argv[1]);
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KeSleep(delay);
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return EOK;
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}
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error_t CmdDumpATASect(int argc, char **argv, char *cmdline)
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{
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char sector[512] = {0};
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@ -235,6 +227,14 @@ error_t CmdShell(int argc, char **argv, char *cmdline)
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return EOK;
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}
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error_t CmdSleep(int argc, char **argv, char *cmdline)
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{
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int delay = ShAtoi(argv[1]);
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KeSleep(delay);
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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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@ -269,6 +269,22 @@ error_t CmdTime(int argc, char **argv, char *cmdline)
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return EOK;
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}
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error_t CmdTimerTest(int argc, char **argv, char *cmdline)
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{
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int delay = ShAtoi(argv[1]);
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Timer_t *timer = KeSetTimer(delay);
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while(!(KeGetTimer(timer))) {
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bprintf(BStdOut,".");
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BStdOut->flusher(BStdOut);
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}
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KernLog("Finished !\n");
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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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@ -301,21 +317,22 @@ Command_t shcmdtable[] =
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{ "color", CmdColor, "Change shell text color" },
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{ "date", CmdDate, "Print date" },
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{ "dmpsec", CmdDumpATASect, "Dump an ATA sector on screen" },
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{ "exit", CmdQuit, "Initiate shutdown" },
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{ "help", CmdHelp, "Show this message" },
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{ "march", CmdStarWars, "Play the Imperial March" },
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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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{ "sleep", CmdSleep, "Sleep x ms" },
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{ "testimer", CmdTimerTest, "test timer of x ms" },
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{ "time", CmdTime, "Print time" },
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{ "ver", CmdVersion, "Version and legal infos" },
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{ "sleep", CmdSleep, "Sleep x ms" },
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{ NULL, NULL, NULL }
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};
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