Add: working puts implementation
This commit is contained in:
xamidev
113
bochslog.txt
113
bochslog.txt
@@ -44,45 +44,45 @@
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00000000000i[USBCTL] Pluggable USB devices
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00000000000i[USBCTL] mouse tablet keypad keyboard floppy disk cdrom printer
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00000000000i[USBCTL] hub
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00000000000i[MEM0 ] allocated memory at 0x7fb5595dc010. after alignment, vector=0x7fb5595dd000
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00000000000i[MEM0 ] allocated memory at 0x7f6755ddd010. after alignment, vector=0x7f6755dde000
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00000000000i[MEM0 ] 32.00MB
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00000000000i[MEM0 ] mem block size = 0x00020000, blocks=256
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00000000000i[MEM0 ] rom at 0xffff0000/65536 ('/usr/share/bochs/BIOS-bochs-legacy')
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00000000000i[CPU0 ] WARNING: 3DNow! is not implemented yet !
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00000000000i[DEV ] will paste characters every 100 iodev timer ticks
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00000000000i[ ] lt_dlhandle is 0x55fee5417090
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00000000000i[ ] lt_dlhandle is 0x55b16dc75c30
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00000000000i[PLUGIN] loaded plugin libbx_soundalsa.so
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00000000000i[WAVOUT] ALSA: opened default PCM output device
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00000000000i[WAVOUT] changed sample rate to 44101
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00000000000i[ ] lt_dlhandle is 0x55fee5bcce70
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00000000000i[ ] lt_dlhandle is 0x55b16e42bb40
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00000000000i[PLUGIN] loaded plugin libbx_pci.so
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00000000000i[ ] lt_dlhandle is 0x55fee5417170
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00000000000i[ ] lt_dlhandle is 0x55b16dc75d10
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00000000000i[PLUGIN] loaded plugin libbx_pci2isa.so
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00000000000i[ ] lt_dlhandle is 0x55fee5394f80
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00000000000i[ ] lt_dlhandle is 0x55b16dbf3de0
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00000000000i[PLUGIN] loaded plugin libbx_usb_uhci.so
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00000000000i[ ] lt_dlhandle is 0x55fee5431120
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00000000000i[ ] lt_dlhandle is 0x55b16dc90240
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00000000000i[PLUGIN] loaded plugin libbx_acpi.so
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00000000000i[ ] lt_dlhandle is 0x55fee5394380
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00000000000i[ ] lt_dlhandle is 0x55b16dbf31e0
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00000000000i[PLUGIN] loaded plugin libbx_hpet.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bd7620
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00000000000i[ ] lt_dlhandle is 0x55b16e4362f0
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00000000000i[PLUGIN] loaded plugin libbx_cmos.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bd7e30
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00000000000i[ ] lt_dlhandle is 0x55b16e436b00
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00000000000i[PLUGIN] loaded plugin libbx_dma.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bd8640
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00000000000i[ ] lt_dlhandle is 0x55b16e437470
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00000000000i[PLUGIN] loaded plugin libbx_pic.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bd8e00
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00000000000i[ ] lt_dlhandle is 0x55b16e437c30
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00000000000i[PLUGIN] loaded plugin libbx_pit.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bd9820
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00000000000i[ ] lt_dlhandle is 0x55b16e438650
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00000000000i[PLUGIN] loaded plugin libbx_vga.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bfae60
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00000000000i[ ] lt_dlhandle is 0x55b16e459c90
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00000000000i[PLUGIN] loaded plugin libbx_floppy.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bfb6a0
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00000000000i[ ] lt_dlhandle is 0x55b16e45a4d0
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00000000000i[PLUGIN] loaded plugin libbx_ioapic.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bfbeb0
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00000000000i[ ] lt_dlhandle is 0x55b16e45ace0
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00000000000i[PLUGIN] loaded plugin libbx_keyboard.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bfc7b0
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00000000000i[ ] lt_dlhandle is 0x55b16e45b5e0
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00000000000i[PLUGIN] loaded plugin libbx_harddrv.so
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00000000000i[ ] lt_dlhandle is 0x55fee5bfe880
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00000000000i[ ] lt_dlhandle is 0x55b16e45d6b0
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00000000000i[PLUGIN] loaded plugin libbx_pci_ide.so
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00000000000i[PLUGIN] init_dev of 'pci' plugin device by virtual method
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00000000000i[DEV ] i440FX PMC present at device 0, function 0
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@@ -90,7 +90,7 @@
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00000000000i[DEV ] PIIX3 PCI-to-ISA bridge present at device 1, function 0
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00000000000i[PLUGIN] init_dev of 'cmos' plugin device by virtual method
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00000000000i[CMOS ] Using local time for initial clock
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00000000000i[CMOS ] Setting initial clock to: Sun May 19 14:30:46 2024 (time0=1716121846)
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00000000000i[CMOS ] Setting initial clock to: Sun May 19 15:00:39 2024 (time0=1716123639)
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00000000000i[PLUGIN] init_dev of 'dma' plugin device by virtual method
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00000000000i[DMA ] channel 4 used by cascade
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00000000000i[PLUGIN] init_dev of 'pic' plugin device by virtual method
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@@ -234,42 +234,41 @@
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00000000000i[PLUGIN] reset of 'usb_uhci' plugin device by virtual method
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00000000000i[ ] set SIGINT handler to bx_debug_ctrlc_handler
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00000004662i[BIOS ] $Revision: 14314 $ $Date: 2021-07-14 18:10:19 +0200 (Mi, 14. Jul 2021) $
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00000317812i[KBD ] reset-disable command received
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00000318931i[PIDE ] BAR #4: i/o base address = 0xc000
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00000319158i[UHCI ] BAR #4: i/o base address = 0xc100
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00000324993i[P2ISA ] PCI IRQ routing: PIRQD# set to 0x0b
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00000325009i[P2ISA ] write: ELCR2 = 0x08
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00000325029i[UHCI ] new IRQ line = 11
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00000325094i[P2ISA ] PCI IRQ routing: PIRQA# set to 0x0a
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00000325110i[P2ISA ] write: ELCR2 = 0x0c
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00000325130i[ACPI ] new IRQ line = 10
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00000443430i[VBIOS ] VGABios $Id: vgabios.c 288 2021-05-28 19:05:28Z vruppert $
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00000443501i[BXVGA ] VBE known Display Interface b0c0
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00000443533i[BXVGA ] VBE known Display Interface b0c5
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00000446176i[VBIOS ] VBE Bios $Id: vbe.c 292 2021-06-03 12:24:22Z vruppert $
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00004098346i[BIOS ] IDE time out
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01047918503i[BIOS ] Booting from 07c0:0000
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01048013887i[BIOS ] int13_harddisk: function 41, unmapped device for ELDL=80
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01048017558i[BIOS ] int13_harddisk: function 08, unmapped device for ELDL=80
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01048021229i[BIOS ] *** int 15h function AX=00c0, BX=0000 not yet supported!
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01206143903i[ ] Ctrl-C detected in signal handler.
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01206143904i[ ] dbg: Quit
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01206143904i[CPU0 ] CPU is in protected mode (active)
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01206143904i[CPU0 ] CS.mode = 32 bit
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01206143904i[CPU0 ] SS.mode = 32 bit
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01206143904i[CPU0 ] EFER = 0x00000000
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01206143904i[CPU0 ] | EAX=0000002a EBX=0002cd80 ECX=00000008 EDX=001001a3
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01206143904i[CPU0 ] | ESP=00067ecc EBP=00067ee0 ESI=0002ced8 EDI=0002ced9
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01206143904i[CPU0 ] | IOPL=0 id vip vif ac vm rf nt of df if tf sf zf af pf cf
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01206143904i[CPU0 ] | SEG sltr(index|ti|rpl) base limit G D
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01206143904i[CPU0 ] | CS:0008( 0001| 0| 0) 00000000 ffffffff 1 1
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01206143904i[CPU0 ] | DS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01206143904i[CPU0 ] | SS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01206143904i[CPU0 ] | ES:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01206143904i[CPU0 ] | FS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01206143904i[CPU0 ] | GS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01206143904i[CPU0 ] | EIP=001001bf (001001bf)
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01206143904i[CPU0 ] | CR0=0x60000011 CR2=0x00000000
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01206143904i[CPU0 ] | CR3=0x00000000 CR4=0x00000000
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01206143904i[CMOS ] Last time is 1716123052 (Sun May 19 14:50:52 2024)
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01206143904i[SIM ] quit_sim called with exit code 0
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00000317288i[KBD ] reset-disable command received
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00000318445i[PIDE ] BAR #4: i/o base address = 0xc000
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00000318672i[UHCI ] BAR #4: i/o base address = 0xc100
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00000324507i[P2ISA ] PCI IRQ routing: PIRQD# set to 0x0b
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00000324523i[P2ISA ] write: ELCR2 = 0x08
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00000324543i[UHCI ] new IRQ line = 11
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00000324608i[P2ISA ] PCI IRQ routing: PIRQA# set to 0x0a
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00000324624i[P2ISA ] write: ELCR2 = 0x0c
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00000324644i[ACPI ] new IRQ line = 10
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00000442944i[VBIOS ] VGABios $Id: vgabios.c 288 2021-05-28 19:05:28Z vruppert $
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00000443015i[BXVGA ] VBE known Display Interface b0c0
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00000443047i[BXVGA ] VBE known Display Interface b0c5
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00000445690i[VBIOS ] VBE Bios $Id: vbe.c 292 2021-06-03 12:24:22Z vruppert $
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00004097883i[BIOS ] IDE time out
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00847008580i[BIOS ] Booting from 07c0:0000
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00847103964i[BIOS ] int13_harddisk: function 41, unmapped device for ELDL=80
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00847107635i[BIOS ] int13_harddisk: function 08, unmapped device for ELDL=80
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00847111306i[BIOS ] *** int 15h function AX=00c0, BX=0000 not yet supported!
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01027874000p[SDL2 ] >>PANIC<< User requested shutdown.
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01027874000i[CPU0 ] CPU is in protected mode (active)
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01027874000i[CPU0 ] CS.mode = 32 bit
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01027874000i[CPU0 ] SS.mode = 32 bit
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01027874000i[CPU0 ] EFER = 0x00000000
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01027874000i[CPU0 ] | EAX=0000002a EBX=0002cd80 ECX=000000f0 EDX=000003d5
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01027874000i[CPU0 ] | ESP=00067ecc EBP=00067ee0 ESI=0002ced8 EDI=0002ced9
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01027874000i[CPU0 ] | IOPL=0 id vip vif ac vm rf nt of df if tf sf zf af pf cf
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01027874000i[CPU0 ] | SEG sltr(index|ti|rpl) base limit G D
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01027874000i[CPU0 ] | CS:0008( 0001| 0| 0) 00000000 ffffffff 1 1
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01027874000i[CPU0 ] | DS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01027874000i[CPU0 ] | SS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01027874000i[CPU0 ] | ES:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01027874000i[CPU0 ] | FS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01027874000i[CPU0 ] | GS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
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01027874000i[CPU0 ] | EIP=0010033b (0010033b)
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01027874000i[CPU0 ] | CR0=0x60000011 CR2=0x00000000
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01027874000i[CPU0 ] | CR3=0x00000000 CR4=0x00000000
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01027874000i[CMOS ] Last time is 1716124666 (Sun May 19 15:17:46 2024)
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01027874000i[SIM ] quit_sim called with exit code 1
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Binary file not shown.
BIN
kernel.elf
BIN
kernel.elf
Binary file not shown.
3
kmain.c
3
kmain.c
@@ -2,6 +2,7 @@
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int kmain(int retvalue)
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{
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write("hello");
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clear();
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puts("hello\nbrave\nnew\nworld");
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return retvalue;
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}
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72
stdio.c
72
stdio.c
@@ -3,25 +3,83 @@
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#include "string.h"
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char* fb = (char *) 0x000B8000;
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const unsigned VGA_WIDTH = 80;
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const unsigned VGA_HEIGHT = 25;
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const unsigned int COLOR = 0x7;
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unsigned int VGA_X = 0, VGA_Y = 0;
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void move_cursor(unsigned short pos)
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void move_cursor(int x, int y)
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{
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unsigned short pos = y*VGA_WIDTH+x;
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outb(FB_CMD_PORT, FB_HIGH_BYTE_CMD);
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outb(FB_DATA_PORT, ((pos >> 8) & 0x00FF));
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outb(FB_CMD_PORT, FB_LOW_BYTE_CMD);
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outb(FB_DATA_PORT, pos & 0x00FF);
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}
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void putchar(unsigned int i, char c, unsigned char fg, unsigned char bg)
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void putchar(int x, int y, char c)
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{
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fb[i] = c;
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fb [i+1] = ((fg & 0x0F) << 4 | (bg & 0x0F));
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fb[2*(y*VGA_WIDTH+x)] = c;
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}
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void write(char *buf)
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void putcolor(int x, int y, int color)
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{
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for (int i=0; i<strlen(buf); i++)
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fb[2*(y*VGA_WIDTH+x)+1] = color;
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}
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void clear(void)
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{
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putchar(2*i, buf[i], FB_GREEN, FB_DARK_GREY);
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for (unsigned int y=0; y<VGA_HEIGHT; y++)
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{
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for (unsigned int x=0; x<VGA_WIDTH; x++)
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{
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putchar(x, y, '\0');
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putcolor(x, y, COLOR);
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}
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}
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VGA_X = 0;
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VGA_Y = 0;
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move_cursor(VGA_X, VGA_Y);
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}
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void putc(char c)
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{
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switch(c)
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{
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case '\n':
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VGA_X = 0;
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VGA_Y++;
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break;
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case '\r':
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VGA_X = 0;
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break;
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default:
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putchar(VGA_X, VGA_Y, c);
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VGA_X++;
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break;
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}
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if (VGA_X >= VGA_WIDTH)
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{
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VGA_Y++;
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VGA_X = 0;
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}
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//if (VGA_Y >= VGA_HEIGHT) scroll
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move_cursor(VGA_X, VGA_Y);
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}
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void puts(const char* str)
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{
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while (*str)
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{
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putc(*str);
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str++;
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}
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}
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8
stdio.h
8
stdio.h
@@ -9,8 +9,10 @@
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#define FB_HIGH_BYTE_CMD 14
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#define FB_LOW_BYTE_CMD 15
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void move_cursor(unsigned short pos);
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void putchar(unsigned int i, char c, unsigned char fg, unsigned char bg);
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void write(char *buf);
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void move_cursor(int x, int y);
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void putchar(int x, int y, char c);
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void puts(const char* str);
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void clear(void);
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void putcolor(int x, int y, int color);
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#endif
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