Code: Select all
#include <system.h>
#include <screen.h>
unsigned char kbdus[128] =
{
0, 27, '1', '2', '3', '4', '5', '6', '7', '8','9', '0', '-', '=', '\b',
'\t', 'q', 'w', 'e', 'r','t', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', 0,
'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '`', 0, '\\', 'z',
'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', 0, '*',
0, /* Alt */
' ', /* Space bar */
0, /* Caps lock */
0, /* 59 - F1 key ... > */
0, 0, 0, 0, 0, 0, 0, 0,
0, /* < ... F10 */
0, /* 69 - Num lock*/
0, /* Scroll Lock */
0, /* Home key */
0, /* Up Arrow */
0, /* Page Up */
'-',
0, /* Left Arrow */
0,
0, /* Right Arrow */
'+',
0, /* 79 - End key*/
0, /* Down Arrow */
0, /* Page Down */
0, /* Insert Key */
0, /* Delete Key */
0, 0, 0,
0, /* F11 Key */
0, /* F12 Key */
0, /* All other keys are undefined */
};
void keyboard_handler(registers_t regs)
{
unsigned char scancode;
/* Read from the keyboard's data buffer */
scancode = inb(0x60);
/* If the top bit of the byte we read from the keyboard is
* set, that means that a key has just been released */
if (scancode & 0x80)
{
/* You can use this one to see if the user released the
* shift, alt, or control keys... */
}
else
{
put(kbdus[scancode]);
}
}
void init_keyboard()
{
register_interrupt_handler(IRQ1, &keyboard_handler);
}Code: Select all
#include <system.h>
#include <screen.h>
isr_t interrupt_handlers[256];
void register_interrupt_handler(char n, isr_t handler)
{
interrupt_handlers[n] = handler;
}
void isr_handler(registers_t regs)
{
print("recieved interrupt: ");
print_hex(regs.int_no);
put('\n');
}
void irq_handler(registers_t regs)
{
// Send an EOI (end of interrupt) signal to the PICs.
// If this interrupt involved the slave.
if (regs.int_no >= 40)
{
// Send reset signal to slave.
outb(0xA0, 0x20);
}
// Send reset signal to master. (As well as slave, if necessary).
outb(0x20, 0x20);
if (interrupt_handlers[regs.int_no] != 0)
{
isr_t handler = interrupt_handlers[regs.int_no];
handler(regs);
}
}Code: Select all
00000000000i[ ] Bochs x86 Emulator 2.4.5
00000000000i[ ] Build from CVS snapshot, on April 25, 2010
00000000000i[ ] System configuration
00000000000i[ ] processors: 1 (cores=1, HT threads=1)
00000000000i[ ] A20 line support: yes
00000000000i[ ] CPU configuration
00000000000i[ ] level: 6
00000000000i[ ] SMP support: no
00000000000i[ ] APIC support: yes
00000000000i[ ] FPU support: yes
00000000000i[ ] MMX support: yes
00000000000i[ ] 3dnow! support: no
00000000000i[ ] SEP support: yes
00000000000i[ ] SSE support: sse2
00000000000i[ ] XSAVE support: no
00000000000i[ ] AES support: no
00000000000i[ ] MOVBE support: no
00000000000i[ ] x86-64 support: yes
00000000000i[ ] 1G paging support: no
00000000000i[ ] MWAIT support: no
00000000000i[ ] VMX support: no
00000000000i[ ] Optimization configuration
00000000000i[ ] RepeatSpeedups support: yes
00000000000i[ ] Trace cache support: yes
00000000000i[ ] Fast function calls: yes
00000000000i[ ] Devices configuration
00000000000i[ ] ACPI support: yes
00000000000i[ ] NE2000 support: yes
00000000000i[ ] PCI support: yes, enabled=yes
00000000000i[ ] SB16 support: yes
00000000000i[ ] USB support: yes
00000000000i[ ] VGA extension support: vbe
00000000000i[MEM0 ] allocated memory at 0x7fdafb6c1010. after alignment, vector=0x7fdafb6c2000
00000000000i[MEM0 ] 32.00MB
00000000000i[MEM0 ] mem block size = 0x00100000, blocks=32
00000000000i[MEM0 ] rom at 0xe0000/131072 ('/usr/share/bochs/BIOS-bochs-latest')
00000000000i[MEM0 ] rom at 0xc0000/38400 ('/usr/share/bochs/VGABIOS-lgpl-latest')
00000000000i[VTIME] using 'realtime pit' synchronization method
00000000000i[ ] lt_dlhandle is 0x1c05f30
00000000000i[PLGIN] loaded plugin libbx_cmos.so
00000000000i[ ] lt_dlhandle is 0x1c06930
00000000000i[PLGIN] loaded plugin libbx_dma.so
00000000000i[ ] lt_dlhandle is 0x1c07370
00000000000i[PLGIN] loaded plugin libbx_pic.so
00000000000i[ ] lt_dlhandle is 0x1c07bb0
00000000000i[PLGIN] loaded plugin libbx_pit.so
00000000000i[ ] lt_dlhandle is 0x1c08500
00000000000i[PLGIN] loaded plugin libbx_vga.so
00000000000i[ ] lt_dlhandle is 0x1c08c30
00000000000i[PLGIN] loaded plugin libbx_floppy.so
00000000000i[ ] lt_dlhandle is 0x1c09850
00000000000i[PLGIN] loaded plugin libbx_pci.so
00000000000i[ ] lt_dlhandle is 0x1c0a3d0
00000000000i[PLGIN] loaded plugin libbx_pci2isa.so
00000000000i[ ] lt_dlhandle is 0x1c0ad10
00000000000i[PLGIN] loaded plugin libbx_unmapped.so
00000000000i[ ] lt_dlhandle is 0x1c0b4d0
00000000000i[PLGIN] loaded plugin libbx_biosdev.so
00000000000i[ ] lt_dlhandle is 0x1c0bf10
00000000000i[PLGIN] loaded plugin libbx_speaker.so
00000000000i[ ] lt_dlhandle is 0x1c0c6a0
00000000000i[PLGIN] loaded plugin libbx_extfpuirq.so
00000000000i[ ] lt_dlhandle is 0x1c0cf10
00000000000i[PLGIN] loaded plugin libbx_gameport.so
00000000000i[ ] lt_dlhandle is 0x1c0d880
00000000000i[PLGIN] loaded plugin libbx_pci_ide.so
00000000000i[ ] lt_dlhandle is 0x1c0e230
00000000000i[PLGIN] loaded plugin libbx_acpi.so
00000000000i[ ] lt_dlhandle is 0x1c0eb50
00000000000i[PLGIN] loaded plugin libbx_ioapic.so
00000000000i[ ] lt_dlhandle is 0x1c0f520
00000000000i[PLGIN] loaded plugin libbx_keyboard.so
00000000000i[ ] lt_dlhandle is 0x1c0fd20
00000000000i[PLGIN] loaded plugin libbx_harddrv.so
00000000000i[ ] lt_dlhandle is 0x1c0fc00
00000000000i[PLGIN] loaded plugin libbx_serial.so
00000000000i[ ] lt_dlhandle is 0x1c22c30
00000000000i[PLGIN] loaded plugin libbx_parallel.so
00000000000i[CMOS ] Using local time for initial clock
00000000000i[CMOS ] Setting initial clock to: Tue Dec 20 23:53:20 2011 (time0=1324405400)
00000000000i[DMA ] channel 4 used by cascade
00000000000i[DMA ] channel 2 used by Floppy Drive
00000000000e[FDD ] cannot determine media geometry, trying to use defaults
00000000000i[FDD ] fd0: '/dev/loop1' ro=0, h=2,t=80,spt=18
00000000000i[PCI ] 440FX Host bridge present at device 0, function 0
00000000000i[PCI ] PIIX3 PCI-to-ISA bridge present at device 1, function 0
00000000000i[VGA ] interval=50000
00000000000i[MEM0 ] Register memory access handlers: 0x000a0000 - 0x000bffff
00000000000i[XGUI ] test_alloc_colors: 16 colors available out of 16 colors tried
00000000000i[XGUI ] font 8 wide x 16 high, display depth = 24
00000000000i[MEM0 ] Register memory access handlers: 0xe0000000 - 0xe0ffffff
00000000000i[VGA ] VBE Bochs Display Extension Enabled
00000000000i[PLGIN] init_dev of 'unmapped' plugin device by virtual method
00000000000i[PLGIN] init_dev of 'biosdev' plugin device by virtual method
00000000000i[PLGIN] init_dev of 'speaker' plugin device by virtual method
00000000000i[SPEAK] Open /dev/console successfully
00000000000i[PLGIN] init_dev of 'extfpuirq' plugin device by virtual method
00000000000i[PLGIN] init_dev of 'gameport' plugin device by virtual method
00000000000i[PLGIN] init_dev of 'pci_ide' plugin device by virtual method
00000000000i[PCI ] PIIX3 PCI IDE controller present at device 1, function 1
00000000000i[PLGIN] init_dev of 'acpi' plugin device by virtual method
00000000000i[PCI ] ACPI Controller present at device 1, function 3
00000000000i[PLGIN] init_dev of 'ioapic' plugin device by virtual method
00000000000i[IOAP ] initializing I/O APIC
00000000000i[MEM0 ] Register memory access handlers: 0xfec00000 - 0xfec00fff
00000000000i[PLGIN] init_dev of 'keyboard' plugin device by virtual method
00000000000i[KBD ] will paste characters every 1000 keyboard ticks
00000000000i[PLGIN] init_dev of 'harddrv' plugin device by virtual method
00000000000i[HD ] Using boot sequence floppy, none, none
00000000000i[HD ] Floppy boot signature check is enabled
00000000000i[PLGIN] init_dev of 'serial' plugin device by virtual method
00000000000i[SER ] com1 at 0x03f8 irq 4
00000000000i[PLGIN] init_dev of 'parallel' plugin device by virtual method
00000000000i[PAR ] parallel port 1 at 0x0378 irq 7
00000000000i[PLGIN] register state of 'unmapped' plugin device by virtual method
00000000000i[PLGIN] register state of 'biosdev' plugin device by virtual method
00000000000i[PLGIN] register state of 'speaker' plugin device by virtual method
00000000000i[PLGIN] register state of 'extfpuirq' plugin device by virtual method
00000000000i[PLGIN] register state of 'gameport' plugin device by virtual method
00000000000i[PLGIN] register state of 'pci_ide' plugin device by virtual method
00000000000i[PLGIN] register state of 'acpi' plugin device by virtual method
00000000000i[PLGIN] register state of 'ioapic' plugin device by virtual method
00000000000i[PLGIN] register state of 'keyboard' plugin device by virtual method
00000000000i[PLGIN] register state of 'harddrv' plugin device by virtual method
00000000000i[PLGIN] register state of 'serial' plugin device by virtual method
00000000000i[PLGIN] register state of 'parallel' plugin device by virtual method
00000000000i[SYS ] bx_pc_system_c::Reset(HARDWARE) called
00000000000i[CPU0 ] cpu hardware reset
00000000000i[APIC0] allocate APIC id=0 (MMIO enabled) to 0xfee00000
00000000000i[CPU0 ] CPUID[0x00000000]: 00000003 756e6547 6c65746e 49656e69
00000000000i[CPU0 ] CPUID[0x00000001]: 00000f20 00000800 00002000 078bfbff
00000000000i[CPU0 ] CPUID[0x00000002]: 00410601 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x00000003]: 00000000 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x00000004]: 00000000 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x80000000]: 80000008 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x80000001]: 00000000 00000000 00000101 2a100800
00000000000i[CPU0 ] CPUID[0x80000002]: 20202020 20202020 20202020 6e492020
00000000000i[CPU0 ] CPUID[0x80000003]: 286c6574 50202952 69746e65 52286d75
00000000000i[CPU0 ] CPUID[0x80000004]: 20342029 20555043 20202020 00202020
00000000000i[CPU0 ] CPUID[0x80000006]: 00000000 42004200 02008140 00000000
00000000000i[CPU0 ] CPUID[0x80000007]: 00000000 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x80000008]: 00003020 00000000 00000000 00000000
00000000000i[PLGIN] reset of 'unmapped' plugin device by virtual method
00000000000i[PLGIN] reset of 'biosdev' plugin device by virtual method
00000000000i[PLGIN] reset of 'speaker' plugin device by virtual method
00000000000i[PLGIN] reset of 'extfpuirq' plugin device by virtual method
00000000000i[PLGIN] reset of 'gameport' plugin device by virtual method
00000000000i[PLGIN] reset of 'pci_ide' plugin device by virtual method
00000000000i[PLGIN] reset of 'acpi' plugin device by virtual method
00000000000i[PLGIN] reset of 'ioapic' plugin device by virtual method
00000000000i[PLGIN] reset of 'keyboard' plugin device by virtual method
00000000000i[PLGIN] reset of 'harddrv' plugin device by virtual method
00000000000i[PLGIN] reset of 'serial' plugin device by virtual method
00000000000i[PLGIN] reset of 'parallel' plugin device by virtual method
00000000000i[XGUI ] [x] Mouse off
00000003305i[BIOS ] $Revision: 1.247 $ $Date: 2010/04/04 19:33:50 $
00000316575i[KBD ] reset-disable command received
00000433073i[VBIOS] VGABios $Id$
00000433144i[VGA ] VBE known Display Interface b0c0
00000433176i[VGA ] VBE known Display Interface b0c4
00000433845i[VBIOS] VBE Bios $Id$
00000475000i[XGUI ] charmap update. Font Height is 16
00000525000i[XGUI ] charmap update. Font Height is 16
00000751361i[BIOS ] Starting rombios32
00000751840i[BIOS ] Shutdown flag 0
00000752479i[BIOS ] ram_size=0x02000000
00000752941i[BIOS ] ram_end=32MB
00000788082i[BIOS ] Found 1 cpu(s)
00000804258i[BIOS ] bios_table_addr: 0x000fbc18 end=0x000fcc00
00000804361i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush)
00001132055i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush)
00001459985i[P2I ] PCI IRQ routing: PIRQA# set to 0x0b
00001460006i[P2I ] PCI IRQ routing: PIRQB# set to 0x09
00001460027i[P2I ] PCI IRQ routing: PIRQC# set to 0x0b
00001460048i[P2I ] PCI IRQ routing: PIRQD# set to 0x09
00001460058i[P2I ] write: ELCR2 = 0x0a
00001460905i[BIOS ] PIIX3/PIIX4 init: elcr=00 0a
00001468749i[BIOS ] PCI: bus=0 devfn=0x00: vendor_id=0x8086 device_id=0x1237 class=0x0600
00001471202i[BIOS ] PCI: bus=0 devfn=0x08: vendor_id=0x8086 device_id=0x7000 class=0x0601
00001473494i[BIOS ] PCI: bus=0 devfn=0x09: vendor_id=0x8086 device_id=0x7010 class=0x0101
00001473729i[PIDE ] new BM-DMA address: 0xc000
00001474395i[BIOS ] region 4: 0x0000c000
00001476596i[BIOS ] PCI: bus=0 devfn=0x0b: vendor_id=0x8086 device_id=0x7113 class=0x0680
00001476839i[ACPI ] new irq line = 11
00001476851i[ACPI ] new irq line = 9
00001476882i[ACPI ] new PM base address: 0xb000
00001476896i[ACPI ] new SM base address: 0xb100
00001476924i[PCI ] setting SMRAM control register to 0x4a
00001641015i[CPU0 ] Enter to System Management Mode
00001641025i[CPU0 ] RSM: Resuming from System Management Mode
00001805043i[PCI ] setting SMRAM control register to 0x0a
00001813912i[BIOS ] MP table addr=0x000fbcf0 MPC table addr=0x000fbc20 size=0xd0
00001815789i[BIOS ] SMBIOS table addr=0x000fbd00
00001818875i[BIOS ] Firmware waking vector 0x1ff00cc
00001859857i[BIOS ] ACPI tables: RSDP addr=0x000fbe20 ACPI DATA addr=0x01ff0000 size=0x1f18
00001859894i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush)
00001860686i[BIOS ] bios_table_cur_addr: 0x000fbe44
00053720903i[BIOS ] Booting from 0000:7c00
00055338607i[BIOS ] int13_harddisk: function 41, unmapped device for ELDL=80
00055343384i[BIOS ] int13_harddisk: function 08, unmapped device for ELDL=80
00055348037i[BIOS ] *** int 15h function AX=00c0, BX=0000 not yet supported!
00159100000i[KBD ] internal keyboard buffer full, ignoring scancode.(92)
00162850000i[KBD ] internal keyboard buffer full, ignoring scancode.(12)
00166548500i[KBD ] internal keyboard buffer full, ignoring scancode.(92)
00170557500i[KBD ] internal keyboard buffer full, ignoring scancode.(12)
00174391000i[KBD ] internal keyboard buffer full, ignoring scancode.(92)
00178425000i[KBD ] internal keyboard buffer full, ignoring scancode.(12)
00181725000i[KBD ] internal keyboard buffer full, ignoring scancode.(92)
00194475000i[ ] cpu loop quit, shutting down simulator
00194475000i[CPU0 ] CPU is in protected mode (active)
00194475000i[CPU0 ] CS.d_b = 32 bit
00194475000i[CPU0 ] SS.d_b = 32 bit
00194475000i[CPU0 ] EFER = 0x00000000
00194475000i[CPU0 ] | RAX=0000000000000000 RBX=000000000002d000
00194475000i[CPU0 ] | RCX=0000000000067ec8 RDX=0000000000100ea0
00194475000i[CPU0 ] | RSP=0000000000067ec8 RBP=0000000000067ee0
00194475000i[CPU0 ] | RSI=0000000000053c8e RDI=0000000000053c8f
00194475000i[CPU0 ] | R8=0000000000000000 R9=0000000000000000
00194475000i[CPU0 ] | R10=0000000000000000 R11=0000000000000000
00194475000i[CPU0 ] | R12=0000000000000000 R13=0000000000000000
00194475000i[CPU0 ] | R14=0000000000000000 R15=0000000000000000
00194475000i[CPU0 ] | IOPL=0 id vip vif ac vm rf nt of df if tf sf zf af PF cf
00194475000i[CPU0 ] | SEG selector base limit G D
00194475000i[CPU0 ] | SEG sltr(index|ti|rpl) base limit G D
00194475000i[CPU0 ] | CS:0008( 0001| 0| 0) 00000000 ffffffff 1 1
00194475000i[CPU0 ] | DS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00194475000i[CPU0 ] | SS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00194475000i[CPU0 ] | ES:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00194475000i[CPU0 ] | FS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00194475000i[CPU0 ] | GS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00194475000i[CPU0 ] | MSR_FS_BASE:0000000000000000
00194475000i[CPU0 ] | MSR_GS_BASE:0000000000000000
00194475000i[CPU0 ] | RIP=0000000000100027 (0000000000100027)
00194475000i[CPU0 ] | CR0=0x60000011 CR2=0x0000000000000000
00194475000i[CPU0 ] | CR3=0x00000000 CR4=0x00000000
00194475000i[CPU0 ] 0x0000000000100027>> jmp .-5 (0x00100027) : E9FBFFFFFF
00194475000i[CMOS ] Last time is 1324405788 (Tue Dec 20 23:59:48 2011)
00194475000i[XGUI ] Exit
00194475000i[ ] restoring default signal behavior
00194475000i[CTRL ] quit_sim called with exit code 1