uart.lst

au1200下的boot代码

GAS LISTING /tmp/cc4XVykA.s 			page 1


   1              		.section .mdebug.abi32
   2              		.previous
   3              		.section	.debug_abbrev,"",@progbits
   4              	$Ldebug_abbrev0:
   5              		.section	.debug_info,"",@progbits
   6              	$Ldebug_info0:
   7              		.section	.debug_line,"",@progbits
   8              	$Ldebug_line0:
   9 0000 10010000 		.text
   9      0200A300 
   9      00000101 
   9      FB0E0A00 
   9      01010101 
  10              	$Ltext0:
  11              		.local	sys
  12              		.comm	sys,4,4
  13              		.align	2
  14              		.globl	uartInit
  15              		.ent	uartInit
  16              		.type	uartInit, @function
  17              	uartInit:
  18              	$LFB2:
  19              		.file 1 "/mnt/hgfs/boot/booter/source/uart.c"
   1:/mnt/hgfs/boot/booter/source/uart.c **** #include "example.h"
   2:/mnt/hgfs/boot/booter/source/uart.c **** 
   3:/mnt/hgfs/boot/booter/source/uart.c **** /********************************************************************/
   4:/mnt/hgfs/boot/booter/source/uart.c **** 
   5:/mnt/hgfs/boot/booter/source/uart.c **** static AU1X00_SYS *sys=NULL;
   6:/mnt/hgfs/boot/booter/source/uart.c **** 
   7:/mnt/hgfs/boot/booter/source/uart.c **** //#define USE_UART_IRQ
   8:/mnt/hgfs/boot/booter/source/uart.c **** #ifdef USE_UART_IRQ
   9:/mnt/hgfs/boot/booter/source/uart.c **** #define AU1000_UART unsigned int
  10:/mnt/hgfs/boot/booter/source/uart.c **** 
  11:/mnt/hgfs/boot/booter/source/uart.c **** #define MAX_UARTS 4
  12:/mnt/hgfs/boot/booter/source/uart.c **** #define FIFO_SIZE 1024
  13:/mnt/hgfs/boot/booter/source/uart.c **** 
  14:/mnt/hgfs/boot/booter/source/uart.c **** 
  15:/mnt/hgfs/boot/booter/source/uart.c **** 
  16:/mnt/hgfs/boot/booter/source/uart.c **** typedef volatile struct UART_t
  17:/mnt/hgfs/boot/booter/source/uart.c **** {
  18:/mnt/hgfs/boot/booter/source/uart.c **** 	AU1X00_UART *uart;
  19:/mnt/hgfs/boot/booter/source/uart.c **** 	int uartNumber;
  20:/mnt/hgfs/boot/booter/source/uart.c **** 	int irq;
  21:/mnt/hgfs/boot/booter/source/uart.c **** 	int nextrx, lastrx, sizerx;
  22:/mnt/hgfs/boot/booter/source/uart.c **** 	int nexttx, lasttx, sizetx;
  23:/mnt/hgfs/boot/booter/source/uart.c **** 	uint32 rx, rxerr;
  24:/mnt/hgfs/boot/booter/source/uart.c **** 	uint32 tx, txerr;
  25:/mnt/hgfs/boot/booter/source/uart.c **** 	uint32 rxirq;
  26:/mnt/hgfs/boot/booter/source/uart.c **** 	uint32 txirq;
  27:/mnt/hgfs/boot/booter/source/uart.c **** 	uint32 mdmirq;
  28:/mnt/hgfs/boot/booter/source/uart.c **** 	uint32 linirq;
  29:/mnt/hgfs/boot/booter/source/uart.c **** 	int maxrfifo;
  30:/mnt/hgfs/boot/booter/source/uart.c **** 	int maxtfifo;
  31:/mnt/hgfs/boot/booter/source/uart.c **** 	uint8 rxfifo[FIFO_SIZE];
  32:/mnt/hgfs/boot/booter/source/uart.c **** 	uint8 txfifo[FIFO_SIZE];
  33:/mnt/hgfs/boot/booter/source/uart.c **** 
  34:/mnt/hgfs/boot/booter/source/uart.c **** } UART_t;
GAS LISTING /tmp/cc4XVykA.s 			page 2


  35:/mnt/hgfs/boot/booter/source/uart.c **** 
  36:/mnt/hgfs/boot/booter/source/uart.c **** static UART_t uarts[MAX_UARTS] = { 0 };
  37:/mnt/hgfs/boot/booter/source/uart.c **** 
  38:/mnt/hgfs/boot/booter/source/uart.c **** 
  39:/mnt/hgfs/boot/booter/source/uart.c **** /********************************************************************/
  40:/mnt/hgfs/boot/booter/source/uart.c **** void
  41:/mnt/hgfs/boot/booter/source/uart.c **** uartStats (int uartNumber)
  42:/mnt/hgfs/boot/booter/source/uart.c **** {
  43:/mnt/hgfs/boot/booter/source/uart.c **** 	UART_t *p = &uarts[uartNumber];
  44:/mnt/hgfs/boot/booter/source/uart.c **** 	printf("UART %d:\n", uartNumber);
  45:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" irq: %d\n", p->irq);
  46:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" inten:    %08X\n", p->uart->inten);
  47:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" fifoctrl: %08X\n", p->uart->fifoctrl);
  48:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" linectrl: %08X\n", p->uart->linectrl);
  49:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" mdmctrl:  %08X\n", p->uart->mdmctrl);
  50:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" linestat: %08X\n", p->uart->linestat);
  51:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" mdmstat:  %08X\n", p->uart->mdmstat);
  52:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" rxirq: %d\n", p->rxirq);
  53:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" nextrx %d, lastrx %d, sizerx %d\n",
  54:/mnt/hgfs/boot/booter/source/uart.c **** 		p->nextrx, p->lastrx, p->sizerx);
  55:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" rx %d, rxerr %d\n", p->rx, p->rxerr);
  56:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" maxrfifo %d\n", p->maxrfifo);
  57:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" txirq: %d\n", p->txirq);
  58:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" nexttx %d, lasttx %d, sizetx %d\n",
  59:/mnt/hgfs/boot/booter/source/uart.c **** 		p->nexttx, p->lasttx, p->sizetx);
  60:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" tx %d, txerr %d\n", p->tx, p->txerr);
  61:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" maxtfifo %d\n", p->maxtfifo);
  62:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" lineirq: %d\n", p->linirq);
  63:/mnt/hgfs/boot/booter/source/uart.c **** 	printf(" mdmirq: %d\n", p->mdmirq);
  64:/mnt/hgfs/boot/booter/source/uart.c **** }
  65:/mnt/hgfs/boot/booter/source/uart.c **** 
  66:/mnt/hgfs/boot/booter/source/uart.c **** /********************************************************************/
  67:/mnt/hgfs/boot/booter/source/uart.c **** void
  68:/mnt/hgfs/boot/booter/source/uart.c **** uartPutChar (int uartNumber, int ch)
  69:/mnt/hgfs/boot/booter/source/uart.c **** {
  70:/mnt/hgfs/boot/booter/source/uart.c **** 	uint32 ipl;
  71:/mnt/hgfs/boot/booter/source/uart.c **** 	UART_t *p = &uarts[uartNumber];
  72:/mnt/hgfs/boot/booter/source/uart.c **** 	int spin;
  73:/mnt/hgfs/boot/booter/source/uart.c **** 	int chs = 0;
  74:/mnt/hgfs/boot/booter/source/uart.c **** 
  75:/mnt/hgfs/boot/booter/source/uart.c **** 	/*
  76:/mnt/hgfs/boot/booter/source/uart.c **** 	 * The example infrastructure has no way to "block the process"
  77:/mnt/hgfs/boot/booter/source/uart.c **** 	 * if the transmit queue is full, so must spin...
  78:/mnt/hgfs/boot/booter/source/uart.c **** 	 */
  79:/mnt/hgfs/boot/booter/source/uart.c **** 	if (ch >= 0)
  80:/mnt/hgfs/boot/booter/source/uart.c **** 	{
  81:/mnt/hgfs/boot/booter/source/uart.c **** 		spin = TRUE;
  82:/mnt/hgfs/boot/booter/source/uart.c **** 		while (spin)
  83:/mnt/hgfs/boot/booter/source/uart.c **** 		{
  84:/mnt/hgfs/boot/booter/source/uart.c **** 			/*
  85:/mnt/hgfs/boot/booter/source/uart.c **** 			 * Queue manipulation is a critical section activity
  86:/mnt/hgfs/boot/booter/source/uart.c **** 			 */
  87:/mnt/hgfs/boot/booter/source/uart.c **** 			ipl = cpuDisableIrqs();
  88:/mnt/hgfs/boot/booter/source/uart.c **** 
  89:/mnt/hgfs/boot/booter/source/uart.c **** 			/* Enqueue the character */
  90:/mnt/hgfs/boot/booter/source/uart.c **** 			if (p->sizetx <= (FIFO_SIZE - 2))
  91:/mnt/hgfs/boot/booter/source/uart.c **** 			{
GAS LISTING /tmp/cc4XVykA.s 			page 3


  92:/mnt/hgfs/boot/booter/source/uart.c **** 				p->txfifo[p->nexttx] = ch;
  93:/mnt/hgfs/boot/booter/source/uart.c **** 				p->sizetx++;
  94:/mnt/hgfs/boot/booter/source/uart.c **** 				p->nexttx++;
  95:/mnt/hgfs/boot/booter/source/uart.c **** 				if (p->nexttx == (FIFO_SIZE - 1))
  96:/mnt/hgfs/boot/booter/source/uart.c **** 					p->nexttx = 0;
  97:/mnt/hgfs/boot/booter/source/uart.c **** 				spin = FALSE;
  98:/mnt/hgfs/boot/booter/source/uart.c **** 			}
  99:/mnt/hgfs/boot/booter/source/uart.c **** 			else
 100:/mnt/hgfs/boot/booter/source/uart.c **** 			{
 101:/mnt/hgfs/boot/booter/source/uart.c **** 				/* re-enable interrupts to allow queue to drain */
 102:/mnt/hgfs/boot/booter/source/uart.c **** 				cpuEnableIrqs(ipl);
 103:/mnt/hgfs/boot/booter/source/uart.c **** 			}
 104:/mnt/hgfs/boot/booter/source/uart.c **** 		}
 105:/mnt/hgfs/boot/booter/source/uart.c **** 		cpuEnableIrqs(ipl);
 106:/mnt/hgfs/boot/booter/source/uart.c **** 	}
 107:/mnt/hgfs/boot/booter/source/uart.c **** 
 108:/mnt/hgfs/boot/booter/source/uart.c **** 	/* Send character(s) */
 109:/mnt/hgfs/boot/booter/source/uart.c **** 	if (p->uart->linestat & (UART_LINESTAT_TE | UART_LINESTAT_TT))
 110:/mnt/hgfs/boot/booter/source/uart.c **** 	{
 111:/mnt/hgfs/boot/booter/source/uart.c **** 		ipl = cpuDisableIrqs();
 112:/mnt/hgfs/boot/booter/source/uart.c **** 
 113:/mnt/hgfs/boot/booter/source/uart.c **** 		/* Dequeue a character */
 114:/mnt/hgfs/boot/booter/source/uart.c **** 		if (p->sizetx)
 115:/mnt/hgfs/boot/booter/source/uart.c **** 		{
 116:/mnt/hgfs/boot/booter/source/uart.c **** 			/* Fill Tx FIFO best we can */
 117:/mnt/hgfs/boot/booter/source/uart.c **** 			while (p->uart->linestat &	(UART_LINESTAT_TE | UART_LINESTAT_TT))
 118:/mnt/hgfs/boot/booter/source/uart.c **** 			{
 119:/mnt/hgfs/boot/booter/source/uart.c **** 				ch = p->txfifo[p->lasttx];
 120:/mnt/hgfs/boot/booter/source/uart.c **** 				p->sizetx--;
 121:/mnt/hgfs/boot/booter/source/uart.c **** 				p->lasttx++;
 122:/mnt/hgfs/boot/booter/source/uart.c **** 				if (p->lasttx == (FIFO_SIZE - 1))
 123:/mnt/hgfs/boot/booter/source/uart.c **** 					p->lasttx = 0;
 124:/mnt/hgfs/boot/booter/source/uart.c **** 
 125:/mnt/hgfs/boot/booter/source/uart.c **** 				/* send the character */
 126:/mnt/hgfs/boot/booter/source/uart.c **** 				p->uart->txdata = ch;
 127:/mnt/hgfs/boot/booter/source/uart.c **** 				p->uart->inten |= UART_INTEN_TIE;
 128:/mnt/hgfs/boot/booter/source/uart.c **** 				++p->tx;
 129:/mnt/hgfs/boot/booter/source/uart.c **** 				if (++chs > p->maxtfifo) p->maxtfifo = chs;
 130:/mnt/hgfs/boot/booter/source/uart.c **** 				if (p->sizetx == 0) break; /* no more chars */
 131:/mnt/hgfs/boot/booter/source/uart.c **** 			}
 132:/mnt/hgfs/boot/booter/source/uart.c **** 		}
 133:/mnt/hgfs/boot/booter/source/uart.c **** 		else
 134:/mnt/hgfs/boot/booter/source/uart.c **** 		{
 135:/mnt/hgfs/boot/booter/source/uart.c **** 			/* nothing to send, disable Tx IRQ */
 136:/mnt/hgfs/boot/booter/source/uart.c **** 			//p->uart->inten &= ~UART_INTEN_TIE;
 137:/mnt/hgfs/boot/booter/source/uart.c **** 			/* fix!!! doing this causes Tx stalls */
 138:/mnt/hgfs/boot/booter/source/uart.c **** 		}
 139:/mnt/hgfs/boot/booter/source/uart.c **** 
 140:/mnt/hgfs/boot/booter/source/uart.c **** 		cpuEnableIrqs(ipl);
 141:/mnt/hgfs/boot/booter/source/uart.c **** 	}
 142:/mnt/hgfs/boot/booter/source/uart.c **** }
 143:/mnt/hgfs/boot/booter/source/uart.c **** 
 144:/mnt/hgfs/boot/booter/source/uart.c **** /********************************************************************/
 145:/mnt/hgfs/boot/booter/source/uart.c **** void
 146:/mnt/hgfs/boot/booter/source/uart.c **** uartGetChar (int uartNumber, int *ch)
 147:/mnt/hgfs/boot/booter/source/uart.c **** {
 148:/mnt/hgfs/boot/booter/source/uart.c **** 	uint32 ipl;
GAS LISTING /tmp/cc4XVykA.s 			page 4


 149:/mnt/hgfs/boot/booter/source/uart.c **** 	int c, chs = 0;
 150:/mnt/hgfs/boot/booter/source/uart.c **** 	UART_t *p = &uarts[uartNumber];
 151:/mnt/hgfs/boot/booter/source/uart.c **** 
 152:/mnt/hgfs/boot/booter/source/uart.c **** 	if ((p->sizerx == 0) && (ch != NULL))
 153:/mnt/hgfs/boot/booter/source/uart.c **** 	{
 154:/mnt/hgfs/boot/booter/source/uart.c **** 		/* We must wait for a character to arrive...this example
 155:/mnt/hgfs/boot/booter/source/uart.c **** 		code doesn't have the ability to "block a process" */
 156:/mnt/hgfs/boot/booter/source/uart.c **** 		//while ((p->uart->linestat & UART_LINESTAT_DR) == 0) ;
 157:/mnt/hgfs/boot/booter/source/uart.c **** 		while (p->sizerx == 0) ;
 158:/mnt/hgfs/boot/booter/source/uart.c **** 	}
 159:/mnt/hgfs/boot/booter/source/uart.c **** 
 160:/mnt/hgfs/boot/booter/source/uart.c **** 	/*
 161:/mnt/hgfs/boot/booter/source/uart.c **** 	 * Queue manipulation is a critical section activity
 162:/mnt/hgfs/boot/booter/source/uart.c **** 	 */
 163:/mnt/hgfs/boot/booter/source/uart.c **** 	ipl = cpuDisableIrqs();
 164:/mnt/hgfs/boot/booter/source/uart.c **** 
 165:/mnt/hgfs/boot/booter/source/uart.c **** 	/* Extract all characters received */
 166:/mnt/hgfs/boot/booter/source/uart.c **** 	while (p->uart->linestat & UART_LINESTAT_DR)
 167:/mnt/hgfs/boot/booter/source/uart.c **** 	{
 168:/mnt/hgfs/boot/booter/source/uart.c **** 		++chs;
 169:/mnt/hgfs/boot/booter/source/uart.c **** 		c = (p->uart->rxdata & 0x00FF);
 170:/mnt/hgfs/boot/booter/source/uart.c **** 		++p->rx;
 171:/mnt/hgfs/boot/booter/source/uart.c **** 
 172:/mnt/hgfs/boot/booter/source/uart.c **** 		/* Enqueue the character */
 173:/mnt/hgfs/boot/booter/source/uart.c **** 		if (p->sizerx <= (FIFO_SIZE - 2))
 174:/mnt/hgfs/boot/booter/source/uart.c **** 		{
 175:/mnt/hgfs/boot/booter/source/uart.c **** 			p->rxfifo[p->nextrx] = c;
 176:/mnt/hgfs/boot/booter/source/uart.c **** 			p->sizerx++;
 177:/mnt/hgfs/boot/booter/source/uart.c **** 			p->nextrx++;
 178:/mnt/hgfs/boot/booter/source/uart.c **** 			if (p->nextrx == (FIFO_SIZE - 1))
 179:/mnt/hgfs/boot/booter/source/uart.c **** 				p->nextrx = 0;
 180:/mnt/hgfs/boot/booter/source/uart.c **** 		}
 181:/mnt/hgfs/boot/booter/source/uart.c **** 		else ++p->rxerr;
 182:/mnt/hgfs/boot/booter/source/uart.c **** 		/* else character is dropped! */
 183:/mnt/hgfs/boot/booter/source/uart.c **** 	}
 184:/mnt/hgfs/boot/booter/source/uart.c **** 
 185:/mnt/hgfs/boot/booter/source/uart.c **** 	if (chs > p->maxrfifo) p->maxrfifo = chs;
 186:/mnt/hgfs/boot/booter/source/uart.c **** 
 187:/mnt/hgfs/boot/booter/source/uart.c **** 	/* Dequeue a character */
 188:/mnt/hgfs/boot/booter/source/uart.c **** 	if (ch != NULL)
 189:/mnt/hgfs/boot/booter/source/uart.c **** 	{
 190:/mnt/hgfs/boot/booter/source/uart.c **** 		*ch = p->rxfifo[p->lastrx];
 191:/mnt/hgfs/boot/booter/source/uart.c **** 		p->sizerx--;
 192:/mnt/hgfs/boot/booter/source/uart.c **** 		p->lastrx++;
 193:/mnt/hgfs/boot/booter/source/uart.c **** 		if (p->lastrx == (FIFO_SIZE - 1))
 194:/mnt/hgfs/boot/booter/source/uart.c **** 			p->lastrx = 0;
 195:/mnt/hgfs/boot/booter/source/uart.c **** 	}
 196:/mnt/hgfs/boot/booter/source/uart.c **** 
 197:/mnt/hgfs/boot/booter/source/uart.c **** 	cpuEnableIrqs(ipl);
 198:/mnt/hgfs/boot/booter/source/uart.c **** }
 199:/mnt/hgfs/boot/booter/source/uart.c **** 
 200:/mnt/hgfs/boot/booter/source/uart.c **** /********************************************************************/
 201:/mnt/hgfs/boot/booter/source/uart.c **** int
 202:/mnt/hgfs/boot/booter/source/uart.c **** uartCheckChar (int uartNumber)
 203:/mnt/hgfs/boot/booter/source/uart.c **** {
 204:/mnt/hgfs/boot/booter/source/uart.c **** 	UART_t *p = &uarts[uartNumber];
 205:/mnt/hgfs/boot/booter/source/uart.c **** 	uint32 ipl;
GAS LISTING /tmp/cc4XVykA.s 			page 5


 206:/mnt/hgfs/boot/booter/source/uart.c **** 	int value;
 207:/mnt/hgfs/boot/booter/source/uart.c **** 
 208:/mnt/hgfs/boot/booter/source/uart.c **** 	/*
 209:/mnt/hgfs/boot/booter/source/uart.c **** 	 * Queue manipulation is a critical section activity
 210:/mnt/hgfs/boot/booter/source/uart.c **** 	 */
 211:/mnt/hgfs/boot/booter/source/uart.c **** 	ipl = cpuDisableIrqs();
 212:/mnt/hgfs/boot/booter/source/uart.c **** 
 213:/mnt/hgfs/boot/booter/source/uart.c **** 	if (p->sizerx)
 214:/mnt/hgfs/boot/booter/source/uart.c **** 		value = TRUE;
 215:/mnt/hgfs/boot/booter/source/uart.c **** 	else
 216:/mnt/hgfs/boot/booter/source/uart.c **** 		value = FALSE;
 217:/mnt/hgfs/boot/booter/source/uart.c **** 
 218:/mnt/hgfs/boot/booter/source/uart.c **** 	cpuEnableIrqs(ipl);
 219:/mnt/hgfs/boot/booter/source/uart.c **** 
 220:/mnt/hgfs/boot/booter/source/uart.c **** 	return value;
 221:/mnt/hgfs/boot/booter/source/uart.c **** }
 222:/mnt/hgfs/boot/booter/source/uart.c **** 
 223:/mnt/hgfs/boot/booter/source/uart.c **** /********************************************************************/
 224:/mnt/hgfs/boot/booter/source/uart.c **** void
 225:/mnt/hgfs/boot/booter/source/uart.c **** uartHandler (int irqNumber, UART_t *p)
 226:/mnt/hgfs/boot/booter/source/uart.c **** {
 227:/mnt/hgfs/boot/booter/source/uart.c **** 	volatile uint32 intcause, linestat, mdmstat;
 228:/mnt/hgfs/boot/booter/source/uart.c **** 
 229:/mnt/hgfs/boot/booter/source/uart.c **** 	intcause = p->uart->intcause;
 230:/mnt/hgfs/boot/booter/source/uart.c **** 	switch (intcause & UART_INTCAUSE_IID)
 231:/mnt/hgfs/boot/booter/source/uart.c **** 	{
 232:/mnt/hgfs/boot/booter/source/uart.c **** 		case UART_INTCAUSE_IID_TBA: /* tx buffer available */
 233:/mnt/hgfs/boot/booter/source/uart.c **** 			++p->txirq;
 234:/mnt/hgfs/boot/booter/source/uart.c **** 			uartPutChar(p->uartNumber, -1);
 235:/mnt/hgfs/boot/booter/source/uart.c **** 			break;
 236:/mnt/hgfs/boot/booter/source/uart.c **** 		case UART_INTCAUSE_IID_RDA: /* rx data available */
 237:/mnt/hgfs/boot/booter/source/uart.c **** 		case UART_INTCAUSE_IID_CTO: /* char time out */
 238:/mnt/hgfs/boot/booter/source/uart.c **** 			++p->rxirq;
 239:/mnt/hgfs/boot/booter/source/uart.c **** 			uartGetChar(p->uartNumber, NULL);
 240:/mnt/hgfs/boot/booter/source/uart.c **** 			break;
 241:/mnt/hgfs/boot/booter/source/uart.c **** 		case UART_INTCAUSE_IID_MS:  /* modem status change */
 242:/mnt/hgfs/boot/booter/source/uart.c **** 			mdmstat = p->uart->mdmstat;
 243:/mnt/hgfs/boot/booter/source/uart.c **** 			++p->mdmirq;
 244:/mnt/hgfs/boot/booter/source/uart.c **** 			break;
 245:/mnt/hgfs/boot/booter/source/uart.c **** 		case UART_INTCAUSE_IID_RLS: /* line status change */
 246:/mnt/hgfs/boot/booter/source/uart.c **** 			linestat = p->uart->linestat;
 247:/mnt/hgfs/boot/booter/source/uart.c **** 			++p->linirq;
 248:/mnt/hgfs/boot/booter/source/uart.c **** 			break;
 249:/mnt/hgfs/boot/booter/source/uart.c **** 		default: