/* Mask a specified interrupt. */
void __Set_Interrupt_Mask(unsigned char ucVector)
{
uint16_t port;
uint8_t value;
BUG_ON(ucVector < INTERRUPT_VECTOR_BASE);
ucVector -= INTERRUPT_VECTOR_BASE;
if (!__INTERRUPT_IS_MASKABLE(ucVector))
{
return;
}
if (ucVector < 8)
{
port = PIC1_DATA;
}
else
{
port = PIC2_DATA;
ucVector -= 8;
}
/* Combine the corresponding mask with old value. */
value = __inb(port) | (1 << ucVector);
__outb(value, port);
}
void _sio_write( int ch ){
//
// Must do LF -> CRLF mapping
//
if( ch == '\n' ) {
_sio_write( '\r' );
}
//
// If we're currently transmitting, just add this to the buffer
//
if( g_sending ) {
*g_outlast++ = ch;
++g_outcount;
return;
}
//
// Not sending - must prime the pump
//
g_sending = 1;
__outb( UA4_TXD, ch );
}
/**
* Normally, IRQs 0 to 7 are mapped to entries 8 to 15. This
* is a problem in protected mode, because IDT entry 8 is a
* Double Fault! Without remapping, every time IRQ0 fires,
* you get a Double Fault Exception, which is NOT actually
* what's happening. We send commands to the Programmable
* Interrupt Controller (PICs - also called the 8259's) in
* order to make IRQ0 to 15 be remapped to IDT entries 32 to 47
*/
void ArchController::irq_remap(void)
{
__outb(0x11,PIC_MA);
__outb(0x20,PIC_MA + 1);
__outb(0x04,PIC_MA + 1);
__outb(0x01,PIC_MA + 1);
__outb(0x0, PIC_MA + 1);
__outb(0x11,PIC_SL);
__outb(0x28,PIC_SL + 1);
__outb(0x02,PIC_SL + 1);
__outb(0x01,PIC_SL + 1);
__outb(0x0, PIC_SL + 1);
return;
}
/*
** Name: __default_expected_handler
**
** Arguments: The usual ISR arguments
**
** Returns: The usual ISR return value
**
** Description: Default handler for interrupts we expect may occur but
** are not handling (yet). Just reset the PIC and return.
*/
static void __default_expected_handler( int vector, int code ){
if( vector >= 0x20 && vector < 0x30 ){
__outb( PIC_MASTER_CMD_PORT, PIC_EOI );
if( vector > 0x28 ){
__outb( PIC_SLAVE_CMD_PORT, PIC_EOI );
}
}
else {
/*
** All the "expected" interrupts will be handled by the
** code above. If we get down here, the isr table may
** have been corrupted. Print message and don't return.
*/
__panic( "Unexpected \"expected\" interrupt!" );
}
}
void _ps2_write_mouse(char b){
// vars
//Uint resp;
_ps2_mouse_clear();
// let the PS2 controller know we want to send a command to the mouse
//c_printf("Letting Mouse know we are sending a command...\n");
__outb(PS2_STAT, PS2_M_SCOM);
_ps2_mouse_clear();
// Now, send the mouse our command
//c_printf("Sending Command: 0x%x...\n", ( b & 0xFF) );
__outb(PS2_PORT, b);
}
void fn0C00_0100(word16 cx, Eq_13 Eq_14::*bx, byte Eq_21::*di, Eq_14 * ds)
{
bios_video_set_mode(0x13);
__outw(0x03D4, DPB(ax, 0x20, 8, 8));
ptr32 es_ax_12 = Mem0[ds:bx + 0x0000:segptr32];
Eq_19 al_13 = (byte) es_ax_12;
Eq_21 * es_15 = SLICE(es_ax_12, selector, 16);
do
{
__outb(0x03C9, al_13);
al_13 = al_13 + 0x95 + C;
C = cond(al_13);
if (al_13 != 0x00)
continue;
do
{
es_15->*di = (byte) cx_57 ^ SLICE(cx_57, byte, 8);
C = false;
di = di + 1;
cx = cx_57 - 0x0001;
word16 cx_57 = cx;
} while (cx != 0x0000);
word16 ax_50 = DPB(cx_57, __inb(0x60), 0, 8);
al_13 = (byte) (ax_50 - 0x0001);
} while (ax_50 != 0x0001);
return;
}
static DWORD outputb(__CMD_PARA_OBJ* lpCmdObj)
{
UCHAR bt = 0;
WORD wPort = 0;
DWORD dwPort = 0;
if(NULL == lpCmdObj) //Parameter check.
return IOCTRL_TERMINAL;
if(lpCmdObj->byParameterNum < 3) //Not enough parameters.
{
PrintLine("Please input the port and value.");
return IOCTRL_NORMAL;
}
if(!Str2Hex(lpCmdObj->Parameter[1],&dwPort))
{
PrintLine("Please input port number correctly.");
return IOCTRL_NORMAL;
}
wPort = (WORD)(dwPort); //Now,wPort contains the port where to output.
if(!Str2Hex(lpCmdObj->Parameter[2],&dwPort))
{
PrintLine("Please input the value to output correctly.");
return IOCTRL_NORMAL;
}
bt = (BYTE)(dwPort);
//WriteByteToPort(bt,wPort); //Write the byte to port.
__outb(bt,wPort);
return IOCTRL_NORMAL;
}
/* Unmask a specified interrupt. */
void __Clear_Interrupt_Mask(unsigned char ucVector)
{
#if 1
uint16_t port;
uint8_t value;
BUG_ON(ucVector < INTERRUPT_VECTOR_BASE);
ucVector -= INTERRUPT_VECTOR_BASE;
if (!__INTERRUPT_IS_MASKABLE(ucVector))
{
return;
}
if (ucVector < 8)
{
port = PIC1_DATA;
}
else
{
port = PIC2_DATA;
ucVector -= 8;
}
/* Clear the corresponding mask from the old value. */
value = __inb(port) & ~(1 << ucVector);
__outb(value, port);
#endif
}
//Initialization routine for IDE controller 0.
//In current implementation,this routine only disabled the interrupt of
//IDE controller,so only polling scheme is used now.
BOOL IdeInitialize()
{
WaitForBsy(IDE_CTRL0_PORT_STATUS,0);
WaitForRdy(IDE_CTRL0_PORT_STATUS,0);
__outb(0x0E,IDE_CTRL0_PORT_CTRL); //Reset controller,disable interrupt.
WaitForBsy(IDE_CTRL0_PORT_STATUS,0);
WaitForRdy(IDE_CTRL0_PORT_STATUS,0);
return TRUE;
}
//Low level output routine,which is used in interrupt context or OS initialization
//phase.
static void __LL_Output(UCHAR bt)
{
#ifdef __I386__
DWORD dwCount1 = 1024;
DWORD dwCount2 = 3;
UCHAR ctrlReg = 0; //Used to save and restore temporary control register of COM interface.
#endif //__I386__
//Check if the low level output function is initialized,initialize it if not.
if(!Console.bLLInitialized)
{
#ifdef __I386__
__outb(0x80,CON_DEF_COMBASE + 3); //Set DLAB bit to 1,thus the baud rate divisor can be set.
__outb(0x0C,CON_DEF_COMBASE); //Set low byte of baud rate divisor.
__outb(0x00,CON_DEF_COMBASE + 1); //Set high byte of baud rate divisor.
__outb(0x07,CON_DEF_COMBASE + 3); //Reset DLAB bit,and set data bit to 8,one stop bit,without parity check.
__outb(0x00,CON_DEF_COMBASE + 1); //Disable all interrupts.
#elif defined(__STM32__)
//Initialize STM32's default USART port,which is defined in console.h file,default is USART1.
__Init_Default_Usart();
#endif //__I386__
Console.bLLInitialized = TRUE; //Indicate low level function is initialized.
}
#ifdef __I386__
//Try to output one byte.Please note that the output operation may fail,if the hardware is not ready for
//sending for too long time.Control register of COM interface should be saved before sending,and restore
//it after sending.
ctrlReg = __inb(CON_DEF_COMBASE + 1);
__outb(0x00,CON_DEF_COMBASE + 1); //Disable all interrupts.
while((dwCount2 --) > 0)
{
while((dwCount1 --) > 0)
{
if(__inb(CON_DEF_COMBASE + 5) & 32) //Send register empty.
{
__outb(bt,CON_DEF_COMBASE);
__outb(ctrlReg,CON_DEF_COMBASE + 1);
return;
}
}
dwCount1 = 1024;
}
__outb(ctrlReg,CON_DEF_COMBASE + 1); //Restore previous control register.
#elif defined(__STM32__)
//Call USART's low level output function.
__SER_PutChar(bt);
#endif //__I386__
}
unsigned char ich5_smb_read_byte(unsigned char adr, unsigned char cmd)
{
int l1, h1, l2, h2;
unsigned long long t;
__outb(0x1f, SMBHSTSTS); // reset SMBus Controller
__outb(0xff, SMBHSTDAT);
while(__inb(SMBHSTSTS) & 0x01); // wait until ready
__outb(cmd, SMBHSTCMD);
__outb((adr << 1) | 0x01, SMBHSTADD);
__outb(0x48, SMBHSTCNT);
rdtsc(l1, h1);
cprint(POP2_Y, POP2_X + 16, s + cmd % 8); // progress bar
while (!(__inb(SMBHSTSTS) & 0x02)) { // wait til command finished
rdtsc(l2, h2);
t = ((h2 - h1) * 0xffffffff + (l2 - l1)) / v->clks_msec;
if (t > 10) break; // break after 10ms
}
return __inb(SMBHSTDAT);
}
/**
* FIXME not just timer must be cleared!!!
* TODO Create correct IRQ translator
*/
void ArchController::irq_received(unsigned int ivecno)
{
/*
* TODO : Do correct check of the vector number
*
* FIXME!!
* If the IDT entry that was invoked was greater than 8
* (meaning IRQ8 - 15), then we need to send an EOI to
* the slave controller
*/
if (ivecno >= 8)
{
__outb(0x20,PIC_SL);
}
/* In either case, we need to send an EOI to the master
* interrupt controller too */
__outb(0x20, PIC_MA);
}
//Initialization routine of all COM interface devices.
static BOOL InitializeCOM(WORD base)
{
BOOL bResult = FALSE;
#ifdef __I386__
if((base != 0x3F8) && (base != 0x2F8))
{
goto __TERMINAL;;
}
__outb(0x80,base + 3); //Set DLAB bit to 1,thus the baud rate divisor can be set.
__outb(0x0C,base); //Set low byte of baud rate divisor.
__outb(0x0,base + 1); //Set high byte of baud rate divisor.
__outb(0x07,base + 3); //Reset DLAB bit,and set data bit to 8,one stop bit,without parity check.
__outb(0x0F,base + 1); //Set all interrupts include write buffer empty interrupt.
//__inb(base); //Clear data buffer to avoide interrupt raising.
//__outb(0x01,base + 1); //Enable data available interrupt.
__outb(0x0B,base + 4); //Enable DTR,RTS and Interrupt.
__inb(base); //Reset data register.
//Try to check if the COM interface is exist.
if(0xFF == __inb(base + 1)) //Port is not exist.
{
goto __TERMINAL;
}
bResult = TRUE;
#else
#endif
__TERMINAL:
return bResult;
}
/**
* Initializes the serial controller.
*/
void sio_init( void ) {
/*
** Select bank 1 and set the data rate.
*/
__outb( UA4_LCR, UA4_LCR_BANK1 );
__outb( UA4_LBGD_L, BAUD_LOW_BYTE( BAUD_9600 ) );
__outb( UA4_LBGD_H, BAUD_HIGH_BYTE( BAUD_9600 ) );
/*
** Select bank 0, and at the same time set the LCR for our
** data characteristics.
*/
__outb( UA4_LCR, UA4_LCR_BANK0 | UA4_LCR_BITS_8 |
UA4_LCR_1_STOP_BIT | UA4_LCR_NO_PARITY );
/*
** Set Modem Control Register to send and receive
** This is necessary to receive data from the ADDS terminals
*/
__outb( UA4_MCR, UA4_MCR_DTR | UA4_MCR_RTS |
UA4_MCR_ISEN );
__install_isr(INT_VEC_SERIAL_PORT_1, io_interrupt_handler);
__outb(UA4_IER, UA4_IER_RX_INT_ENABLE | UA4_IER_TX_INT_ENABLE);
}
//Write one or several sector(s) from a specified hard disk.
//Please make sure the pBuffer is long enough to contain the sectors write.
BOOL WriteSector(int nHdNum,DWORD dwStartSector,DWORD dwSectorNum,BYTE* pBuffer)
{
BYTE DrvHdr = (BYTE)IDE_DRV0_LBA;
BYTE LbaLow;
BYTE LbaMid;
BYTE LbaHigh;
UCHAR tmp;
if((nHdNum > 1) || (NULL == pBuffer) || (0 == dwSectorNum))
{
return FALSE;
}
//Form the access mode and driver.
if(1 == nHdNum)
{
DrvHdr = (BYTE)IDE_DRV1_LBA;
}
tmp = (UCHAR)(dwStartSector >> 24); //Get the high byte.
tmp &= 0x0F; //Only keep the last 4 bits.
DrvHdr += tmp; //Driver and access mode(LBA).
tmp = (UCHAR)dwStartSector;
LbaLow = tmp;
tmp = (UCHAR)(dwStartSector >> 8);
LbaMid = tmp;
tmp = (UCHAR)(dwStartSector >> 16);
LbaHigh = tmp;
tmp = (UCHAR)dwSectorNum;
//Issue the read sector command.
WaitForBsy(IDE_CTRL0_PORT_STATUS,0);
WaitForRdy(IDE_CTRL0_PORT_STATUS,0);
//WriteByteToPort(0x4b,IDE_CTRL0_PORT_PRECOMP);
__outb(0x4B,IDE_CTRL0_PORT_PRECOMP);
//WriteByteToPort(0x01,IDE_CTRL0_PORT_SECTORNUM);
__outb(tmp,IDE_CTRL0_PORT_SECTORNUM);
//WriteByteToPort(byStartSector,IDE_CTRL0_PORT_STARTSECTOR);
__outb(LbaLow,IDE_CTRL0_PORT_STARTSECTOR);
//WriteByteToPort(byCylinderLo,IDE_CTRL0_PORT_CYLINDLO);
__outb(LbaMid,IDE_CTRL0_PORT_CYLINDLO);
//WriteByteToPort(byCylinderHi,IDE_CTRL0_PORT_CYLINDHI);
__outb(LbaHigh,IDE_CTRL0_PORT_CYLINDHI);
//WriteByteToPort(byDrvHdr,IDE_CTRL0_PORT_HEADER);
__outb(DrvHdr,IDE_CTRL0_PORT_HEADER);
//WriteByteToPort(IDE_CMD_READ,IDE_CTRL0_PORT_CMD);
__outb(IDE_CMD_WRITE,IDE_CTRL0_PORT_CMD);
//Write data from port.
WaitForBsy(IDE_CTRL0_PORT_STATUS,0);
WaitForRdy(IDE_CTRL0_PORT_STATUS,0); //Should wait the driver to ready,an complicated problem has been caused
//by this issue(did not wait before).
__outws(pBuffer,tmp * 512,IDE_CTRL0_PORT_DATA);
//Wait for completion.
WaitForBsy(IDE_CTRL0_PORT_STATUS,0);
WaitForRdy(IDE_CTRL0_PORT_STATUS,0);
return TRUE;
}
void fn0C00_0100(word16 si, byte bl)
{
bios_video_set_mode(0x13);
byte Eq_18::*di_16 = &Eq_18::b0000;
word16 wLoc02_19 = 0x0000;
int16 si_21 = si + 0x0001;
while (true)
{
__outb(0x03C8, (byte) bx);
do
{
__outb(0x03C9, 0x00);
__outb(0x03C9, 0x00);
bx = bx + 0x0001;
byte al_53 = (byte) bx;
__outb(0x03C9, al_53);
word16 cx_54 = 0x0780;
while (cx_54 != 0x0000)
{
0xA000->*di_16 = al_53;
di_16 = di_16 + 1;
cx_54 = cx_54 - 0x0001;
}
} while (di_16 != &Eq_18::bFFFFE880);
bx = wLoc02_19 + si_21;
di_16 = &Eq_18::b0000;
byte bl_66 = (byte) bx;
wLoc02_19 = bx;
if (bl_66 != 0x20)
{
bx = DPB(bx, bl_66, 0, 8);
if (bl_66 != 0x00)
continue;
}
l0C00_013C:
si_21 = -si_21;
}
}
unsigned char us15w_smb_read_byte(unsigned char adr, unsigned char cmd)
{
int l1, h1, l2, h2;
unsigned long long t;
//__outb(0x00, smbusbase + 1); // reset SMBus Controller
//__outb(0x00, smbusbase + 6);
//while((__inb(smbusbase + 1) & 0x08) != 0); // wait until ready
__outb(0x02, smbusbase + 0); // Byte read
__outb(cmd, smbusbase + 5); // Command
__outb(0x07, smbusbase + 1); // Clear status
__outb((adr << 1) | 0x01, smbusbase + 4); // DIMM address
__outb(0x12, smbusbase + 0); // Start
//while (((__inb(smbusbase + 1) & 0x08) == 0)) {} // wait til busy
rdtsc(l1, h1);
cprint(POP2_Y, POP2_X + 16, s + cmd % 8); // progress bar
while (((__inb(smbusbase + 1) & 0x01) == 0) ||
((__inb(smbusbase + 1) & 0x08) != 0)) { // wait til command finished
rdtsc(l2, h2);
t = ((h2 - h1) * 0xffffffff + (l2 - l1)) / v->clks_msec;
if (t > 10) break; // break after 10ms
}
return __inb(smbusbase + 6);
}
// do it like linux, use int32_t 80h
void syscall_isr(int32_t vector, int32_t code)
{
// from here call the actual system call
int32_t call_num = current_proc->context->eax;
uint32_t *args = ((uint32_t *)(current_proc->context + 1)) + 1;
// Invoke the handler. The first argument is the process
// context; the second is the address of the first user
// syscall argument, which is the second longword following
// the context save area on the stack.
(*syscall_table[call_num])(current_proc->context, args);
__outb( PIC_MASTER_CMD_PORT, PIC_EOI );
}
void fn0C00_0100(byte cl, byte ah, byte ch)
{
__cli();
do
{
do
{
byte al_26 = __inb(0x03DA);
ax = DPB(ax, al_26 & 0x08, 0, 8);
} while ((al_26 & 0x08) == 0x00);
cl = cl + 0x01;
word16 bx_34 = 0x018F;
uint8 bl_35 = 0x8F;
do
{
do
{
byte al_47 = __inb(0x03DA);
ax = DPB(ax, al_47 & 0x01, 0, 8);
} while ((al_47 & 0x01) != 0x00);
do
{
byte al_54 = __inb(0x03DA);
ax = DPB(ax_84, al_54 & 0x01, 0, 8);
word16 ax_84 = ax;
} while ((al_54 & 0x01) == 0x00);
__outb(0x03C8, 0x00);
__outb(0x03C9, cl);
Eq_50 al_65 = bl_35 >>u 0x01;
__outb(0x03C9, al_65);
ch = ch + al_65;
__outb(0x03C9, ch);
bx_34 = bx_34 - 0x0001;
ax = DPB(ax_84, ch, 0, 8);
bl_35 = (byte) bx_34;
} while (bx_34 != 0x0000);
word16 ax_75 = DPB(ax_84, __inb(0x60), 0, 8);
ax = ax_75 - 0x0001;
byte al_77 = (byte) (ax_75 - 0x0001);
} while (ax_75 != 0x0001);
__outb(0x03C8, al_77);
__outb(0x03C9, al_77);
__outb(0x03C9, al_77);
__outb(0x03C9, al_77);
return;
}
void cmain (void)
{
/*
* init variable sections
*/
__memcpy (__sdata2_start, __sdata2_load, __sdata2_end - __sdata2_start);
__memcpy (__sdata_start , __sdata_load , __sdata_end - __sdata_start);
__memcpy (__data_start , __data_load , __data_end - __data_start);
__bzero (__sbss2_start , __sbss2_end - __sbss2_start);
__bzero (__sbss_start , __sbss_end - __sbss_start);
__bzero (__bss_start , __bss_end - __bss_start);
/* printk( "start of BSP\n"); */
boot_card(0);
/* printk( "end of BSP\n"); */
__outb (0x92, 0x01);
while (1)
;
}
//Write configuration to PCI bus.
static BOOL PciWriteConfig(__SYSTEM_BUS* bus, DWORD dwConfigReg, DWORD dwVal,int size)
{
DWORD dwTmp = 0;
DWORD _cfg = 0x80000000;
DWORD result;
//Combine the bus number,dev number,function number and offset together.
dwTmp = bus->dwBusNum;
dwTmp &= 0x000000FF;
_cfg += (dwTmp << 16);
_cfg += (dwConfigReg & 0x0000FFFF);
//Issue writting.
__outd(CONFIG_REGISTER, _cfg);
switch (size)
{
case 4:
__outd(DATA_REGISTER, dwVal);
result = __ind(DATA_REGISTER);
break;
case 2:
__outw((WORD)dwVal, DATA_REGISTER);
result = __inw(DATA_REGISTER);
dwVal &= 0xFFFF;
break;
case 1:
__outb((UCHAR)dwVal, DATA_REGISTER);
result = __inb(DATA_REGISTER);
dwVal &= 0xFF;
break;
default:
return FALSE;
}
//Check if writting is successful.
if (dwVal == result)
{
return TRUE;
}
//For debugging.
_hx_printf("PCI_DRV: Write data to PCI space failed,val = %d,result = %d.\r\n",dwVal,result);
return FALSE;
}
/**
* Writes a byte of the buffer to the serial console.
* NOTE: CPU interrups must be disabled when this routine is called.
*/
static void write_one_byte(void) {
static int extra_cr_done = 0;
//ensure write_buf_end is consistent.
write_buf_end %= WRITE_BUF_LEN;
if (write_buf_start == write_buf_end) return;
char ch = write_buf[write_buf_start];
/* If this character is a newline, send out a return first */
if( ch == '\n') {
if (extra_cr_done) {
extra_cr_done = 0;
}
else {
ch = '\r';
extra_cr_done = 1;
write_buf_start--;
}
}
__outb( UA4_TXD, ch );
write_buf_start = (write_buf_start + 1)%WRITE_BUF_LEN;
}
/**
* Handles processing of interrupts from the PS/2 controller.
*
* @param vec The number of the interrupt code that triggered this
* call.
*/
void _ps2_keyboard_isr( int vec, int code ){
// temp vars
Uint quad;
Uint key = __inb( PS2_PORT );
// Handle extended keys first
if( await_next ){
if( key == 0xFE ){
_ps2_ack_int();
return;
}
else{
// Check if we are going to perform an active window switch
if( win_pressed ){
quad = get_active();
// Determine offset arrow-keys to change active window
switch( key ){
case PS2_KEY_UP_P:
if( quad > 1 )
quad -= 2;
break;
case PS2_KEY_DOWN_P:
if( quad < 2 )
quad += 2;
break;
case PS2_KEY_LEFT_P:
if( quad % 2 == 1 )
quad -= 1;
break;
case PS2_KEY_RIGHT_P:
if( quad % 2 == 0 )
quad += 1;
}
switch_active( quad );
}
// resolve the extended key
switch( key ){
case PS2_KEY_LWIN_P:
case PS2_KEY_RWIN_P:
win_pressed = 1;
break;
case PS2_KEY_CTRL_P:
ctrl_pressed = 1;
break;
case PS2_KEY_CTRL_R:
ctrl_pressed = 0;
break;
case PS2_KEY_ALT_P:
alt_pressed = 1;
break;
case PS2_KEY_ALT_R:
alt_pressed = 0;
break;
}
await_next = 0;
}
}
// Next, handle special keys
switch( key ){
case PS2_KEY_LSHIFT_P:
case PS2_KEY_RSHIFT_P:
shift_pressed = 1;
return;
case PS2_KEY_LSHIFT_R:
case PS2_KEY_RSHIFT_R:
shift_pressed = 0;
return;
case PS2_KEY_CAPLCK_P:
caps_lock = 1;
return;
case PS2_KEY_CAPLCK_R:
caps_lock = 0;
return;
case PS2_KEY_CTRL_P:
ctrl_pressed = 1;
return;
case PS2_KEY_ALT_P:
alt_pressed = 1;
return;
case PS2_KEY_ALT_R:
alt_pressed = 0;
return;
}
// normal ASCII characters
if( key < 0x80 ){
// check if function-key
if( key >= PS2_KEY_F1_P && key <= PS2_KEY_F10_P ){
replace_active( key - PS2_KEY_F1_P );
}
else if( key == PS2_KEY_F11_P || key == PS2_KEY_F12_P ){
replace_active( key - PS2_KEY_F11_P + 10 );
}
else{
// otherwise give the character to the waiting focused process
char letter = _ps2_scan_code[ shift_pressed ][ key ];
if( letter != '\377' && letter != '\033' && letter != '\b'
&& letter != '\t'){
_ps2_write_to_active( letter );
}
}
}
// Just the ASCII characters being released
else if( key >= 0x80 && key <= 0xD8){
// key released!
}
else{
// If we get this byte then that means we should expect an extended key
if( key == 0xE0 ){
await_next = 1;
__outb( PS2_PORT, 0x0 );
}
}
_ps2_ack_int();
}
/*
** Name: __default_mystery_handler
**
** Arguments: The usual ISR arguments
**
** Returns: The usual ISR return value
**
** Description: Default handler for the "mystery" interrupt that
** comes through vector 0x27. This is a non-repeatable
** interrupt whose source has not been identified.
*/
static void __default_mystery_handler( int vector, int code ){
//c_printf( "\nMystery interrupt!\nVector=0x%02x, code=%d\n",
//vector, code );
__outb( PIC_MASTER_CMD_PORT, PIC_EOI );
}
void _outb(unsigned char b, unsigned long addr)
{
__outb(b, addr);
}
//Read one or several sector(s) from a specified hard disk.
//Please make sure the pBuffer is long enough to contain the sectors read.
BOOL ReadSector(int nHdNum,DWORD dwStartSector,DWORD dwSectorNum,BYTE* pBuffer)
{
BYTE DrvHdr = (BYTE)IDE_DRV0_LBA;
BYTE LbaLow;
BYTE LbaMid;
BYTE LbaHigh;
UCHAR tmp;
CHAR Buffer[64]; //For debug.
BOOL bResult = FALSE;
//----------------------------------------------------------------------
// Use BIOS service to query hard disk sector since we can not read HD
// directly sometimes.
//----------------------------------------------------------------------
/*while(dwSectorNum > 4)
{
bResult = BIOSReadSector(nHdNum,dwStartSector,4,pBuffer); //Read 4 sectors because of the BIOS buffer's limitation.
if(!bResult)
{
return FALSE;
}
dwStartSector += 4;
dwSectorNum -= 4;
pBuffer += 512 * 4;
}*/
#ifdef __I386__
return BIOSReadSector(nHdNum,dwStartSector,dwSectorNum,pBuffer);
#else
return FALSE;
#endif
if((nHdNum > 1) || (NULL == pBuffer) || (0 == dwSectorNum))
{
return FALSE;
}
//Form the access mode and driver.
if(1 == nHdNum)
{
DrvHdr = (BYTE)IDE_DRV1_LBA;
}
tmp = (UCHAR)(dwStartSector >> 24); //Get the high byte.
tmp &= 0x0F; //Only keep the last 4 bits.
DrvHdr += tmp; //Driver and access mode(LBA).
tmp = (UCHAR)dwStartSector;
LbaLow = tmp;
tmp = (UCHAR)(dwStartSector >> 8);
LbaMid = tmp;
tmp = (UCHAR)(dwStartSector >> 16);
LbaHigh = tmp;
tmp = (UCHAR)dwSectorNum;
//Issue the read sector command.
WaitForBsy(IDE_CTRL0_PORT_STATUS,0);
//WaitForRdy(IDE_CTRL0_PORT_STATUS,0);
//WriteByteToPort(0x4b,IDE_CTRL0_PORT_PRECOMP);
__outb(0x4B,IDE_CTRL0_PORT_PRECOMP);
//WriteByteToPort(0x01,IDE_CTRL0_PORT_SECTORNUM);
__outb(tmp,IDE_CTRL0_PORT_SECTORNUM);
//WriteByteToPort(byStartSector,IDE_CTRL0_PORT_STARTSECTOR);
__outb(LbaLow,IDE_CTRL0_PORT_STARTSECTOR);
//WriteByteToPort(byCylinderLo,IDE_CTRL0_PORT_CYLINDLO);
__outb(LbaMid,IDE_CTRL0_PORT_CYLINDLO);
//WriteByteToPort(byCylinderHi,IDE_CTRL0_PORT_CYLINDHI);
__outb(LbaHigh,IDE_CTRL0_PORT_CYLINDHI);
//WriteByteToPort(byDrvHdr,IDE_CTRL0_PORT_HEADER);
__outb(DrvHdr,IDE_CTRL0_PORT_HEADER);
//WaitForBsy(IDE_CTRL0_PORT_STATUS,0);
WaitForRdy(IDE_CTRL0_PORT_STATUS,0);
//WriteByteToPort(IDE_CMD_READ,IDE_CTRL0_PORT_CMD);
__outb(IDE_CMD_READ,IDE_CTRL0_PORT_CMD);
//Wait for completion.
//WaitForBsy(IDE_CTRL0_PORT_STATUS,0);
WaitForDrq(IDE_CTRL0_PORT_STATUS,0);
//WaitForRdy(IDE_CTRL0_PORT_STATUS,0);
//Read data from port.
__inws(pBuffer,tmp * 512,IDE_CTRL0_PORT_DATA);
//WaitForBsy(IDE_CTRL0_PORT_STATUS,0);
//WaitForRdy(IDE_CTRL0_PORT_STATUS,0);
//Appended by Garry in 2011.05.30
if(CmdSucc(IDE_CTRL0_PORT_STATUS))
{
return TRUE;
}
tmp = __inb(0x1f2);
_hx_sprintf(Buffer,"The error number is : %d",tmp);
PrintLine(Buffer);
return FALSE;
}
/**
* Source for init steps taken from the following forum.
* http://forum.osdev.org/viewtopic.php?t=10247
*/
void _ps2_mouse_init( void ){
// Setup initial values
_init = 0;
_x_move = 0;
_y_move = 0;
_left_button = 0;
_right_button = 0;
_middle_button = 0;
// vars
Uint resp = 0;
// Hook in our interrupt vector, we do this first because there are some
// weird interrupt timing issues.
__install_isr( PS2_M_VEC, _ps2_mouse_isr );
// First, disable the mouse to avoid having it mess up initialization
_ps2_mouse_clear();
__outb( PS2_STAT, 0xAD );
_ps2_mouse_clear();
__outb( PS2_STAT, 0xA7 );
// Clear the mouse's buffer
__inb( 0x60 );
// enable the PS/2 auxillary device
_ps2_mouse_clear();
__outb( PS2_STAT, 0xA8 );
// Enable the interrupts
_ps2_mouse_clear();
__outb( PS2_STAT, 0x20 );
_ps2_mouse_ready();
resp = ( __inb(0x60) | 2 );
_ps2_mouse_clear();
__outb( PS2_STAT, 0x60 );
_ps2_mouse_clear();
__outb( 0x60, resp );
// Tell the mouse to use default settings
_ps2_write_mouse( 0xF6 );
_ps2_read_mouse(); //Acknowledge
/*
// Override the Sample Rate to 200/s
_ps2_write_mouse( PS2_M_SAMP );
_ps2_read_mouse();
c_puts( "ACK! Awaiting VALUE!\n" );
_ps2_mouse_clear();
__outb( PS2_STAT, 0xD4 );
while( (__inb(PS2_STAT) & 2) != 0 )
;
__outb( PS2_PORT, 200 );
//_ps2_read_mouse();
// next, override the resolution to 8count/mm
_ps2_write_mouse( PS2_M_SRES );
_ps2_read_mouse();
c_puts( "ACK! Awaiting VALUE!\n" );
_ps2_mouse_clear();
__outb( PS2_STAT, 0xD4 );
while( (__inb(PS2_STAT) & 2) != 0 )
;
__outb( PS2_PORT, 0x03 );
*/
// Enable the mouse to begin data packet transfers
_ps2_write_mouse( 0xF4 );
_ps2_read_mouse(); //Acknowledge
// Reset everything (settings)
_ps2_mouse_clear();
__outb( PS2_STAT, PS2_M_RST );
// Done!
c_puts( "Mouse driver successfully attached!\n" );
c_clearscreen();
_init = 1;
// Draw mouse at center
_x_pos = 0;
_y_pos = 0;
}
/**
* A conveinence function for telling the PIC_SLAVE and PIC_MASTER that we have
* serviced the interrupt.
*/
void _ps2_ack_int( void ){
__outb( 0xA0, 0x20 );
__outb( 0x20, 0x20 );
}
static DWORD beep(__CMD_PARA_OBJ* lpCmdObj)
{
__KERNEL_THREAD_MESSAGE Msg;
DWORD dwTimerID = 00100000;
DWORD dwTimeSpan = 0;
__COMMON_OBJECT* lpTimerObject = NULL;
UCHAR ucCtrlByte;
if((NULL == lpCmdObj) || (lpCmdObj->byParameterNum < 2)) //Parameter check.
{
PrintLine(" Please input the beep time,in millionsecond.");
return SYS_DIAG_CMD_PARSER_INVALID;
}
if(!Str2Hex(lpCmdObj->Parameter[1],&dwTimeSpan)) //Get the time span to beep.
{
PrintLine(" Invalid time parameter.");
return SYS_DIAG_CMD_PARSER_INVALID;
}
//
//Now,the variable dwTimeSpan countains the time to beep.
//
lpTimerObject = System.SetTimer((__COMMON_OBJECT*)&System,
KernelThreadManager.lpCurrentKernelThread,
dwTimerID,
dwTimeSpan,
NULL,
NULL,
TIMER_FLAGS_ONCE);
if(NULL == lpTimerObject) //Failed to set timer.
{
PrintLine(" Can not set timer,please try again.");
return SYS_DIAG_CMD_PARSER_FAILED;
}
//
//Begin to beep.
//
//ReadByteFromPort(&ucCtrlByte,0x61);
ucCtrlByte = __inb(0x61);
ucCtrlByte |= 0x03;
//WriteByteToPort(ucCtrlByte,0x61);
__outb(ucCtrlByte,0x61);
while(TRUE)
{
if(KernelThreadManager.GetMessage((__COMMON_OBJECT*)KernelThreadManager.lpCurrentKernelThread,&Msg))
{
if((Msg.wCommand == KERNEL_MESSAGE_TIMER) && //Beep time is over.
(Msg.dwParam == dwTimerID))
{
ucCtrlByte &= ~0x03;
//WriteByteToPort(ucCtrlByte,0x61); //Stop the beep.
__outb(ucCtrlByte,0x61);
PrintLine(" Beep over");
goto __TERMINAL;
}
}
}
__TERMINAL:
return SYS_DIAG_CMD_PARSER_SUCCESS;
}
void fn0C00_0100(byte bh, Eq_10 * ds)
{
bios_video_set_mode(0x13);
Eq_9 Eq_10::*si_18 = &Eq_10::t01BC;
do
{
word16 ax_17 = Mem0[ds:si_18 + 0x0000:word16];
byte dh_22 = SLICE(ax_17, byte, 8);
bios_video_set_cursor_position(bh, dh_22, (byte) ax_17);
si_18 = si_18 + 0x0002 + 0x0001;
dx = ax_17;
word16 ax_25 = DPB(dx, 0x02, 8, 8);
do
{
byte al_30 = Mem0[ds:si_18 + 0x0000:byte];
msdos_write_console_char(al_30);
ax_25 = DPB(ax_25, al_30, 0, 8);
si_18 = si_18;
dx = DPB(dx, al_30, 0, 8);
} while (al_30 != 0x00);
} while (dh_22 != 0x00);
do
{
__outb(0x03C9, al_30);
word16 ax_50 = __rol(DPB(ax_25, ~al_30, 0, 8), 0x01);
__outb(0x03C9, (byte) ax_50);
word16 ax_53 = __ror(ax_50, 0x01);
byte al_54 = (byte) ax_53;
__outb(0x03C9, al_54);
word16 ax_57 = DPB(ax_53, ~al_54, 0, 8);
ax_25 = ax_57 + 0x0001;
al_30 = (byte) (ax_57 + 0x0001);
} while (ax_57 != 0x0001);
Eq_79 Eq_104::*di_111 = Eq_104::a0000;
byte bl_116 = 0xCC;
word16 bx_114 = DPB(bx, 0xCC, 0, 8);
do
{
word16 cx_112 = 0x0140;
byte cl_113 = 0x40;
do
{
Eq_93 al_107;
if ((0xA000->*di_111).t0000 == 0x00)
{
word16 ax_160 = __aam(cl_113 | bl_116);
al_107 = ((byte) ax_160 | SLICE(ax_160, byte, 8)) & 0x3F;
}
else
{
Eq_87 al_168 = cl_113 - bl_116;
al_107 = al_168 - cl_113 - (al_168 <u 0x00);
}
(0xA000->*di_111).t0000 = al_107;
cx_112 = cx_112 - 0x0001;
di_111 = di_111 + 1;
cl_113 = (byte) cx_112;
} while (cx_112 != 0x0000);
bx_114 = bx_114 - 0x0001;
bl_116 = (byte) bx_114;
} while (bx_114 != 0x0000);
__outb(0x0331, 0x3F);
Mem129[ss:fp - 0x0002:word16] = 0xFA00;
byte Eq_104::*si_122 = Eq_104::a0000;
byte Eq_104::*di_125 = Eq_104::aFFFFFA00;
word16 cx_126 = 0x0140;
do
{
0xA000->*di_125 = 0xA000->*si_122;
si_122 = si_122 + 1;
di_125 = di_125 + 1;
cx_126 = cx_126 - 0x0001;
} while (cx_126 != 0x0000);
Mem151[ss:fp - 0x0002:word16] = 0x0177;
do
;
while (((byte) __inw(0x03DA) & 0x08) == 0x00);
return;
}
