main.c File Reference

#include <libc.h>
#include <core.h>
#include "libdma.h"
#include "dmavar.h"
#include "dmareg.h"

Defines
#define	MAXDMA   8
#define	DMA_SIZE   (64*1024)
#define	LOW_BYTE(x)   (x & 0x00FF)
#define	HI_BYTE(x)   ((x & 0xFF00) >> 8)
Functions
void	dma_start (t_dma *dmas, u_char channel, u_char mode)
void	dma_stop (u_char channel)
u_int	dma_remain (u_char channel)
void	sys_dma_register (t_tcb *caller)
void	sys_dma_unregister (t_tcb *caller)
void	sys_dma_reset (t_tcb *caller)
void	sys_dma_dump (t_tcb *caller)
void	do_dmasrv_syscall ()
void	dmasrv_syscall ()
void	create_dmasrv ()
int	main (int argc, char **argv)
Variables
t_dma_info	info
t_dma	dmas [MAXDMA]
u_char	mask_reg [MAXDMA] = {0x0A, 0x0A, 0x0A, 0x0A, 0xD4, 0xD4, 0xD4, 0xD4}
u_char	mode_reg [MAXDMA] = {0x0B, 0x0B, 0x0B, 0x0B, 0xD6, 0xD6, 0xD6, 0xD6}
u_char	clear_reg [MAXDMA] = {0x0C, 0x0C, 0x0C, 0x0C, 0xD8, 0xD8, 0xD8, 0xD8}
u_char	page_port [MAXDMA] = {0x87, 0x83, 0x81, 0x82, 0x8F, 0x8B, 0x89, 0x8A}
u_char	addr_port [MAXDMA] = {0x00, 0x02, 0x04, 0x06, 0xC0, 0xC4, 0xC8, 0xCC}
u_char	count_port [MAXDMA] = {0x01, 0x03, 0x05, 0x07, 0xC2, 0xC6, 0xCA, 0xCE}

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Define Documentation

#define DMA_SIZE   (64*1024)

#define HI_BYTE (  x   )     ((x & 0xFF00) >> 8)

#define LOW_BYTE (  x   )     (x & 0x00FF)

#define MAXDMA   8

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Function Documentation

void create_dmasrv (   )

allocate a task for dma server

u_int dma_remain (  u_char  channel  )

void dma_start (  t_dma *  dmas, u_char  channel, u_char  mode )

void dma_stop (  u_char  channel  )

void dmasrv_syscall (   )

void do_dmasrv_syscall (   )

int main (  int  argc, char **  argv )

void sys_dma_dump (  t_tcb *  caller  )

void sys_dma_register (  t_tcb *  caller  )

void sys_dma_reset (  t_tcb *  caller  )

void sys_dma_unregister (  t_tcb *  caller  )

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Variable Documentation

u_char addr_port[MAXDMA] = {0x00, 0x02, 0x04, 0x06, 0xC0, 0xC4, 0xC8, 0xCC}

u_char clear_reg[MAXDMA] = {0x0C, 0x0C, 0x0C, 0x0C, 0xD8, 0xD8, 0xD8, 0xD8}

u_char count_port[MAXDMA] = {0x01, 0x03, 0x05, 0x07, 0xC2, 0xC6, 0xCA, 0xCE}

t_dma dmas[MAXDMA]

t_dma_info info

u_char mask_reg[MAXDMA] = {0x0A, 0x0A, 0x0A, 0x0A, 0xD4, 0xD4, 0xD4, 0xD4}

u_char mode_reg[MAXDMA] = {0x0B, 0x0B, 0x0B, 0x0B, 0xD6, 0xD6, 0xD6, 0xD6}

u_char page_port[MAXDMA] = {0x87, 0x83, 0x81, 0x82, 0x8F, 0x8B, 0x89, 0x8A}

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