BEEEEP

Makefile

@@ -94,7 +94,8 @@ KernSources =	libbuf/buf.c libbuf/bputc.c libbuf/bscroll.c                   \
 		kernel/mm/heap.c kernel/mm/malloc.c                            \
 		kernel/mm/gdt.c kernel/ps/sched.c                              \
 		kernel/init/info.c kernel/init/ssp.c                           \
-		kernel/io/rtc.c kernel/io/keyb.c
+		kernel/io/rtc.c kernel/io/keyb.c                               \
+		kernel/io/spkr.c
 
 LibCObj=$(patsubst %.c,$(KOBJDIR)/%.o,$(LibCSources))
 
@@ -156,20 +157,20 @@ $(KOBJDIR)/%.o: %.c $(INCLUDEDIR)/*/*.h | $(KOBJDIR)
 	@echo ${CL2}[$@] ${CL}Compiled.${CL3}
 
 test: all
-	@qemu-system-x86_64 -rtc base=localtime -m 4G -hda $(BUILDDIR)/bin/disk.img \
+	@qemu-system-x86_64 -rtc base=localtime -m 4G -hda $(BUILDDIR)/bin/disk.img -soundhw pcspk \
 	-d cpu_reset,guest_errors,pcall,int 2> $(BUILDDIR)/qemu.log &
 
 test32: all
 	@qemu-system-i386 -hda $(BUILDDIR)/bin/disk.img -d cpu_reset,guest_errors,pcall,int 2> $(BUILDDIR)/qemu.log &
 
 debug: all
-	@qemu-system-x86_64 -m 64M -hda $(BUILDDIR)/bin/disk.img -no-reboot \
+	@qemu-system-x86_64 -m 64M -hda $(BUILDDIR)/bin/disk.img -no-reboot -soundhw pcspk \
 	-no-shutdown -d cpu_reset,guest_errors,pcall,int 2> $(BUILDDIR)/qemu.log &
 	@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > $(BUILDDIR)/kaleid64_disasm.asm
 	@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > $(BUILDDIR)/kaleid32_disasm.asm
 
 gdb: all
-	@qemu-system-x86_64 -m 64M -hda $(BUILDDIR)/bin/disk.img -no-reboot \
+	@qemu-system-x86_64 -m 64M -hda $(BUILDDIR)/bin/disk.img -no-reboot -soundhw pcspk \
 	-no-shutdown -d cpu_reset,guest_errors,pcall,int -s -S 2> $(BUILDDIR)/qemu.log &
 	@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > kaleid64_disasm.asm
 	@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > kaleid32_disasm.asm
@@ -180,7 +181,7 @@ gdb: all
 	-ex "break BtStartKern"            \
 
 ddd: all
-	@qemu-system-x86_64 -m 64M -hda $(BUILDDIR)/bin/disk.img -no-reboot \
+	@qemu-system-x86_64 -m 64M -hda $(BUILDDIR)/bin/disk.img -no-reboot -soundhw pcspk \
 	-no-shutdown -d cpu_reset,guest_errors,pcall,int -s -S 2> $(BUILDDIR)/qemu.log &
 	@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > kaleid64_disasm.asm
 	@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > kaleid32_disasm.asm

include/kernel/base.h

@@ -101,14 +101,14 @@ struct Processor_t
 };
 
 struct ISRFrame_t {
-/* the register file */
+    /* The register file */
     ulong regs[15];
 
-  /* the error code and interrupt id */
+    /* The error code and interrupt id */
     ulong intNo;
     ulong ErrorCode;
 
-  /* these are pushed automatically by the CPU */
+    /* These are pushed automatically by the CPU */
     ulong rip;
     ulong cs;
     ulong rflags;

include/kernel/speaker.h

@@ -0,0 +1,41 @@
+//----------------------------------------------------------------------------//
+//                           GNU GPL OS/K                                     //
+//                                                                            //
+//  Desc:       Speaker functions                                             //
+//                                                                            //
+//                                                                            //
+//  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/>.            //
+//----------------------------------------------------------------------------//
+
+#ifndef _KALKERN_BASE_H
+#include <kernel/base.h>
+#endif
+
+#ifndef _KALKERN_SPEAKER_H
+#define _KALKERN_SPEAKER_H
+
+//----------------------------------------------------------------------------//
+
+void IoStartSpeaker(int freq);
+void IoQuietSpeaker(void);
+void IoDoBeep(void);
+
+//----------------------------------------------------------------------------//
+
+#endif
+

include/kernel/time.h

@@ -22,6 +22,15 @@
 //  along with OS/K.  If not, see <https://www.gnu.org/licenses/>.            //
 //----------------------------------------------------------------------------//
 
+#ifndef _KALKERN_BASE_H
+#include <kernel/base.h>
+#endif
+
+#ifndef _KALKERN_TIME_H
+#define _KALKERN_TIME_H
+
+//----------------------------------------------------------------------------//
+
 typedef struct
 {
     uchar sec;
@@ -42,3 +51,7 @@ extern Time_t* IoGetRtcTime(void);
 extern char* IoGetRtcTimeChar(void);
 //static char* WeekDays[7] = {"Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"};
 
+//----------------------------------------------------------------------------//
+
+#endif
+

kaleid/kernel/init/init.c

@@ -29,6 +29,7 @@
 #include <kernel/heap.h>
 #include <kernel/mm.h>
 #include <kernel/time.h>
+#include <kernel/speaker.h>
 
 // info.c
 extern void BtDoSanityChecks(uint mbMagic);
@@ -94,7 +95,9 @@ noreturn void BtStartKern(multiboot_info_t *mbInfo, uint mbMagic, void *codeSeg)
     /*     i++; */
     /* } */
 
-    KernLog("Goodbye at %s", IoGetRtcTimeChar());
+    KernLog("Goodbye at %s\n", IoGetRtcTimeChar());
+    
+    IoDoBeep();
 
     // End this machine's suffering
     BStdOut->flusher(BStdOut);

kaleid/kernel/io/spkr.c

@@ -0,0 +1,60 @@
+//----------------------------------------------------------------------------//
+//                           GNU GPL OS/K                                     //
+//                                                                            //
+//  Desc:       Speaker functions                                             //
+//                                                                            //
+//                                                                            //
+//  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 <kernel/speaker.h>
+#include <kernel/iomisc.h>
+#include <kernel/time.h>
+
+void IoStartSpeaker(int freq)
+{
+    char temp;
+    int pitf = 1193180 / freq;
+    
+    IoWriteByteOnPort(0x43, 0xB6);
+    IoWriteByteOnPort(0x42, (char)pitf);
+    IoWriteByteOnPort(0x42, (char)(pitf >> 8));
+    
+    temp = IoReadByteFromPort(0x61);
+    if (temp != (temp | 3)) {
+        IoWriteByteOnPort(0x61, temp | 3);
+    }
+}
+
+void IoQuietSpeaker(void)
+{
+    IoWriteByteOnPort(0x61, IoReadByteFromPort(0x61) & 0xFC);
+}
+
+void IoDoBeep(void)
+{
+    IoStartSpeaker(1000);
+
+    // Worst possible way of waiting
+    // We need actual timers
+    ulong ticks = IoGetRtcTicks();
+    while (IoGetRtcTicks() < ticks + 512);
+
+    IoQuietSpeaker();
+}
+

kaleid/kernel/ps/sched.c

@@ -372,8 +372,6 @@ void PrintList(ListHead_t *head)
 
 void pstest(void)
 {
-    //ClearTerm(StdOut);
-
     KernLog("\nTime Critical: ");
     PrintList(TimeCritProcs);