Desktop/xinu_mips-1.0.2.tar/xinu_mips-1.0.2/uart/uartInit.c File Reference

#include <uart.h>
#include <kernel.h>
#include <platform.h>
#include <interrupt.h>
#include <device.h>
#include <mips.h>
#include <stdlib.h>

Include dependency graph for uartInit.c:

Go to the source code of this file.

Functions
void	uartIntr (void)
devcall	uartInit (device *pdev)
Variables
struct uart	uarttab [NUART]
long	cpuid

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Detailed Description

uartInit

Id

uartInit.c 235 2007-07-12 22:52:09Z agember

Definition in file uartInit.c.

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Function Documentation

devcall uartInit

(

device *

pdev

)

Initialize UART control and status registers and buffers.

Parameters:

pdev

pointer to a uart device

Definition at line 25 of file uartInit.c.

References bzero(), dentry::controlblk, dentry::csr, enable_irq(), uart_csreg::ier, dentry::inintr, dentry::inmask, interruptVector, IRQ_UART, uart_csreg::lcr, uart_csreg::mcr, dentry::minor, newsem(), OK, UART_FCR_EFIFO, UART_FCR_RRESET, UART_FCR_TRESET, UART_FCR_TRIG2, UART_IER_ELSI, UART_IER_ERBFI, UART_IER_ETBEI, UART_LCR_8N1, UART_LCR_DLAB, UART_MCR_OUT2, UART_OBLEN, and uarttab.

void uartIntr

(

void

)

Decode hardware interrupt request from UART device.

Definition at line 17 of file uartIntr.c.

References uart_csreg::buffer, uart::cin, uart::cout, uart::csr, uart::icount, uart_csreg::iir, uart::iirq, uart::in, uart::isema, uart::istart, uart::lserr, uart_csreg::lsr, NUART, NULL, uart::ocount, uart::oidle, uart::oirq, uart::osema, uart::ostart, uart::out, uart::ovrrn, signaln(), UART_FIFO_LEN, UART_IBLEN, UART_IIR_IDMASK, UART_IIR_IRQ, UART_IIR_MSC, UART_IIR_RDA, UART_IIR_RLSI, UART_IIR_RTO, UART_IIR_THRE, UART_LSR_DR, UART_OBLEN, and uarttab.

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Variable Documentation

long cpuid

Definition at line 50 of file initialize.c.

Referenced by nulluser(), and platforminit().

struct uart uarttab[NUART]

Definition at line 17 of file uartInit.c.

Referenced by kputc(), uartInit(), uartIntr(), and uartStat().