PIT Time make clean!

Makefile

@@ -119,7 +119,7 @@ KernObj=$(patsubst %.c,$(KOBJDIR)/%.o,$(KernSources))
 KernDep=$(patsubst %.c,$(KOBJDIR)/%.d,$(KernSources))
 
 all :
-	make OS/K -j 8
+	@make OS/K -j 8
 
 ## MISC MAKEFILE ------------------------------------------------------------- #
 

ProjectTree

@@ -1,157 +0,0 @@
-#=----------------------------------------------------------------------------=#
-#                            GNU GPL OS/K                                      #
-#                                                                              #
-#   Desc:                                                                      #
-#                                                                              #
-#                                                                              #
-#   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/>.             #
-#=----------------------------------------------------------------------------=#
-
-
-.
-├── boot
-│   ├── grub
-│   │   ├── grub.cfg
-│   │   └── multiboot.pdf
-│   ├── loader
-│   │   ├── cpu
-│   │   │   ├── cpu32.inc
-│   │   │   └── cpu.inc
-│   │   ├── io
-│   │   │   └── terminal.inc
-│   │   ├── mem
-│   │   │   ├── management.inc
-│   │   │   └── structures.inc
-│   │   ├── multiboot
-│   │   │   ├── check.inc
-│   │   │   └── header.inc
-│   │   └── loader.asm
-│   └── folder.desc
-├── build
-│   ├── create_disk.sh
-│   ├── install-os-k.sh
-│   └── kernel.ld
-├── include
-│   ├── ex
-│   │   ├── lock.h
-│   │   └── malloc.h
-│   ├── init
-│   │   ├── boot.h
-│   │   └── mboot.h
-│   ├── io
-│   │   ├── ata.h
-│   │   ├── cursor.h
-│   │   ├── keyb.h
-│   │   ├── spkr.h
-│   │   └── vga.h
-│   ├── ke
-│   │   ├── cpuid.h
-│   │   ├── idt.h
-│   │   ├── proc.h
-│   │   ├── sched.h
-│   │   ├── spinlock.h
-│   │   └── time.h
-│   ├── lib
-│   │   ├── buf.h
-│   │   └── list.h
-│   ├── mm
-│   │   ├── heap.h
-│   │   ├── malloc.h
-│   │   └── mm.h
-│   ├── po
-│   │   └── shtdwn.h
-│   ├── sh
-│   │   ├── argv.h
-│   │   └── shell.h
-│   ├── asm.h
-│   ├── errno.h
-│   ├── kernel.h
-│   ├── libc.h
-│   └── vers.h
-├── kaleid
-│   ├── kernel
-│   │   ├── init
-│   │   │   ├── info.c
-│   │   │   ├── init.c
-│   │   │   ├── ssp.c
-│   │   │   └── table.c
-│   │   ├── io
-│   │   │   ├── ata.asm
-│   │   │   ├── ata.c
-│   │   │   ├── cursor.c
-│   │   │   ├── keyb.c
-│   │   │   ├── spkr.c
-│   │   │   └── vga.c
-│   │   ├── ke
-│   │   │   ├── cpuf.asm
-│   │   │   ├── cpuf.inc
-│   │   │   ├── cpuid.c
-│   │   │   ├── idt.c
-│   │   │   ├── isr.asm
-│   │   │   ├── log.c
-│   │   │   ├── panic.c
-│   │   │   ├── pit.c
-│   │   │   └── rtc.c
-│   │   ├── mm
-│   │   │   ├── gdt.asm
-│   │   │   ├── gdt.c
-│   │   │   ├── heap.c
-│   │   │   ├── malloc.c
-│   │   │   ├── map.c
-│   │   │   ├── paging.asm
-│   │   │   └── paging.c
-│   │   ├── po
-│   │   │   └── shtdwn.c
-│   │   ├── ps
-│   │   │   └── sched.c
-│   │   └── sh
-│   │       ├── argv.c
-│   │       ├── musage.c
-│   │       ├── shcmds.c
-│   │       ├── shell.c
-│   │       └── shell.h
-│   ├── libbuf
-│   │   ├── bclose.c
-│   │   ├── bflush.c
-│   │   ├── bgetc.c
-│   │   ├── bmisc.c
-│   │   ├── bopen.c
-│   │   ├── bprint.c
-│   │   ├── bputc.c
-│   │   ├── bread.c
-│   │   ├── bscan.c
-│   │   ├── bscroll.c
-│   │   └── bwrite.c
-│   └── libc
-│       ├── atoi.c
-│       ├── ctype.c
-│       ├── errno.c
-│       ├── itoa.c
-│       ├── mem.c
-│       ├── rand.c
-│       ├── sprintf.c
-│       ├── string.c
-│       └── strtol.c
-├── AUTHORS
-├── ChangeLog
-├── COPYING
-├── Makefile
-├── ProjectTree
-└── README.md
-
-28 directories, 101 files

include/ke/time.h

@@ -45,7 +45,7 @@ struct Time_t
 
 struct TimerFilo_t {
     uint countDown;
-    ulong sema;     // semaphore, don't know how it is for instance
+    ulong sema;
 } __attribute__((packed));
 
 void    KeSetupRTC(void);
@@ -53,13 +53,15 @@ void    KeEnableRTC(void);
 
 ulong   KeGetTimeStamp(void);
 ulong   KeGetClockTicks(void);
+Time_t *KeGetOriginTime(void);
 void    KeDelayExecution(uint);
 
 Time_t *KeGetCurTime(void);
 char   *KeFormatCurTime(void);
+void    KeSetCurTime(Time_t);
 
-void KeEnablePIT(void);
-void KeSleep(uint);
+void    KeEnablePIT(void);
+void    KeSleep(uint);
 
 
 //----------------------------------------------------------------------------//

kaleid/kernel/ke/pit.c

@@ -27,27 +27,26 @@
 #include <ke/idt.h>
 
 #define COUNTDONE 1
-#define PIT_FREQUENCY 100 // Hz = 10ms
+#define PIT_FREQUENCY 1000 // Hz = 10ms
 
 static TimerFilo_t timerFilo[20]; //20 concurrent sleep max
 static ulong Ticks = 0;
+static Time_t CurTime;
+static char TimeFmtBuf[22] = { 0 };
 
 //
 // ISR handler for the Programmable Interval Timer
 //
 static void HandlePIT(ISRFrame_t *regs)
 {
+    Ticks++;
     for (uchar i = 0; i < 20; i++) {
 
-        // debug
-        //DebugLog("Hello world of PIT ticks !\n");
-        //
-
         if (timerFilo[i].countDown > 0) {
             timerFilo[i].countDown--;
 
             if (timerFilo[i].countDown == 0)
-                i; //XXX SendMessage a message to timerFifo[i].sema that COUNTDONE;
+                timerFilo[i].sema = 1;
         }
 
         KeSendEOItoPIC(0x28);
@@ -72,15 +71,17 @@ void KeSleep(uint delay)
         return;
 
     timerBlock->countDown = delay;
-    // wait for a message on timerFifo[i].sema
-}
 
+    while (!timerBlock->sema) {
+        KeDelayExecution(1);
+    }
+    timerBlock->sema = 0;
+}
 
 void KeEnablePIT(void)
 {
     ulong flags = KePauseIRQs();
-    char readIrqs;
-    uint divisor = 1193180 / PIT_FREQUENCY;
+    uint divisor = 1193180 / PIT_FREQUENCY; // PIT base frequency / Needed frequency
 
     KeRegisterISR(HandlePIT, 0x20);
 
@@ -92,8 +93,97 @@ void KeEnablePIT(void)
     // Setting up the IRQs
     KeUnmaskIRQ(0);
 
-    DebugLog("\tPIT activated with rate generator mode 10ms\n");
+    DebugLog("\tPIT activated with rate generator mode %d ms\n", 1000/PIT_FREQUENCY);
 
     KeRestoreIRQs(flags);
     KeEnableNMI();
 }
+
+char *KeFormatCurTime(void)
+{
+    Time_t *RtcTime = KeGetCurTime();
+    snprintf(TimeFmtBuf, sizeof(TimeFmtBuf),
+            "%02d/%02d/%04d - %02d:%02d:%02d",
+            RtcTime->day,
+            RtcTime->month,
+            RtcTime->year + RtcTime->century*100,
+            RtcTime->hour,
+            RtcTime->min,
+            RtcTime->sec
+            );
+    return TimeFmtBuf;
+}
+
+
+static void UpdateCurTime(void)
+{
+    ulong frequency = PIT_FREQUENCY;
+    uchar minRemain, hourRemain, dayRemain;
+
+    CurTime.sec =
+            (uchar)(((ulong)KeGetOriginTime()->sec + (Ticks / frequency)) % 60);
+
+    minRemain =
+            (uchar)(((ulong)KeGetOriginTime()->sec + (Ticks / frequency)) / 60);
+
+    CurTime.min =
+            (uchar)(((ulong)KeGetOriginTime()->min +  minRemain) % 60);
+
+    hourRemain =
+            (uchar)(((ulong)KeGetOriginTime()->min +  minRemain) / 60);
+
+    CurTime.hour =
+            (uchar)(((ulong)KeGetOriginTime()->hour +  hourRemain) % 24);
+
+    dayRemain =
+            (uchar)(((ulong)KeGetOriginTime()->hour +  hourRemain) / 24);
+
+    CurTime.day =
+            (uchar)(((ulong)KeGetOriginTime()->day +  dayRemain) % 30);
+
+}
+
+Time_t* KeGetCurTime(void)
+{
+    UpdateCurTime();
+    return &CurTime;
+}
+
+void KeSetCurTime(Time_t time)
+{
+    CurTime = time;
+}
+
+static uint IsLeapYear(uint year)
+{
+    if (!(year % 4)) {
+        return 0;
+    }
+
+    return year % 100 == 0
+            ? (year % 400 == 0)
+            : 1;
+}
+
+static uint DaysInMonth(uint month, uint year)
+{
+    return (month == 2)
+            ? (28 + IsLeapYear(year))
+            : 31 - (month - 1) % 7 % 2;
+}
+
+ulong KeGetTimeStamp(void)
+{
+    Time_t *time = KeGetCurTime();
+
+    uint dpy = 365 + IsLeapYear(time->year);
+    uint dim = DaysInMonth(time->month, time->year + time->century * 100);
+
+    return time->sec
+         + time->min  * 60
+         + time->hour * 60 * 60
+         + time->day  * 24 * 60 * 60
+         + time->month * dim * 24 * 60 * 60
+         + (time->year + time->century * 100)
+             * dpy * 24 * 60 * 60;
+}

kaleid/kernel/ke/rtc.c

@@ -28,7 +28,6 @@
 
 static ulong Ticks = 0;
 static Time_t OriginTime;
-static Time_t CurTime;
 
 // TODO asnprintf()
 static char TimeFmtBuf[22] = { 0 };
@@ -158,14 +157,7 @@ static void GetTimeFromRTC(void)
         OriginTime.hour = ((OriginTime.hour & 0x7)+ 10) % 24;
     }
 
-    CurTime.sec = OriginTime.sec;
-    CurTime.min = OriginTime.min;
-    CurTime.hour = OriginTime.hour;
-    CurTime.weekday = OriginTime.weekday;
-    CurTime.day = OriginTime.day;
-    CurTime.month = OriginTime.month;
-    CurTime.year = OriginTime.year;
-    CurTime.century = OriginTime.century;
+    KeSetCurTime(OriginTime);
 }
 
 //
@@ -179,95 +171,16 @@ static void HandleRTC(ISRFrame_t *regs)
     KeSendEOItoPIC(0x28);
 }
 
-char *KeFormatCurTime(void)
-{
-    Time_t *RtcTime = KeGetCurTime();
-    snprintf(TimeFmtBuf, sizeof(TimeFmtBuf),
-            "%02d/%02d/%04d - %02d:%02d:%02d",
-            RtcTime->day,
-            RtcTime->month,
-            RtcTime->year + RtcTime->century*100,
-            RtcTime->hour,
-            RtcTime->min,
-            RtcTime->sec
-            );
-    return TimeFmtBuf;
-}
-
-
-static void UpdateCurTime(void)
-{
-    ulong frequency = 32768 >> (RTC_RATE - 1);
-    uchar minRemain, hourRemain, dayRemain;
-
-    CurTime.sec =
-            (uchar)(((ulong)OriginTime.sec + (Ticks / frequency)) % 60);
-
-    minRemain =
-            (uchar)(((ulong)OriginTime.sec + (Ticks / frequency)) / 60);
-
-    CurTime.min =
-            (uchar)(((ulong)OriginTime.min +  minRemain) % 60);
-
-    hourRemain =
-            (uchar)(((ulong)OriginTime.min +  minRemain) / 60);
-
-    CurTime.hour =
-            (uchar)(((ulong)OriginTime.hour +  hourRemain) % 24);
-
-    dayRemain =
-            (uchar)(((ulong)OriginTime.hour +  hourRemain) / 24);
-
-    CurTime.day =
-            (uchar)(((ulong)OriginTime.day +  dayRemain) % 30);
-
-}
-
-Time_t* KeGetCurTime(void)
-{
-    UpdateCurTime();
-    return &CurTime;
-}
-
-static uint IsLeapYear(uint year)
-{
-    if (!(year % 4)) {
-        return 0;
-    }
-    
-    return year % 100 == 0
-            ? (year % 400 == 0)
-            : 1;
-}
-
-static uint DaysInMonth(uint month, uint year)
-{
-    return (month == 2)
-            ? (28 + IsLeapYear(year))
-            : 31 - (month - 1) % 7 % 2;
-}
-
-ulong KeGetTimeStamp(void)
-{
-    Time_t *time = KeGetCurTime();
-    
-    uint dpy = 365 + IsLeapYear(time->year);
-    uint dim = DaysInMonth(time->month, time->year + time->century * 100);
-    
-    return time->sec
-         + time->min  * 60
-         + time->hour * 60 * 60
-         + time->day  * 24 * 60 * 60
-         + time->month * dim * 24 * 60 * 60
-         + (time->year + time->century * 100)
-             * dpy * 24 * 60 * 60;
-}
-
 ulong KeGetClockTicks(void)
 {
     return Ticks;
 }
 
+Time_t* KeGetOriginTime(void)
+{
+    return &OriginTime;
+}
+
 void KeEnableRTC(void)
 {
     ulong flags = KePauseIRQs();

kaleid/kernel/sh/shcmds.c

@@ -132,6 +132,14 @@ error_t CmdDie(int argc, char **argv, char *cmdline)
     return EOK;
 }
 
+error_t CmdSleep(int argc, char **argv, char *cmdline)
+{
+    int delay = ShAtoi(argv[1]);
+
+    KeSleep(delay);
+    return EOK;
+}
+
 error_t CmdDumpATASect(int argc, char **argv, char *cmdline)
 {
     char sector[512] = {0};
@@ -317,6 +325,7 @@ Command_t shcmdtable[] =
     { "march",      CmdStarWars,       "Play the Imperial March"              },
     { "time",       CmdTime,           "Print time"                           },
     { "ver",        CmdVersion,        "Version and legal infos"              },
+    { "sleep",      CmdSleep,          "Sleep x ms"                           },
     { NULL, NULL, NULL }
 };