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Line 33... |
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#include "abstract.h"
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#include "abstract.h"
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#include "16450.h"
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#include "16450.h"
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#include "sim-config.h"
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#include "sim-config.h"
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#include "pic.h"
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#include "pic.h"
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#include "vapi.h"
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static struct dev_16450 uarts[NR_UARTS];
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static struct dev_16450 uarts[NR_UARTS];
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static int thre_int;
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static int thre_int;
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/* Number of clock cycles (one clock cycle is one call to the uart_clock())
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/* Number of clock cycles (one clock cycle is one call to the uart_clock())
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| Line 183... |
Line 184... |
debug("read out of range (addr %x)\n", addr);
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debug("read out of range (addr %x)\n", addr);
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}
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}
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return value;
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return value;
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}
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}
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/* Function that handles incoming VAPI data. */
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void uart_vapi_read (unsigned long id, unsigned long data)
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{
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printf ("UART: id %08x, data %08x\n", id, data);
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}
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/* Reset. It initializes all registers of all UART devices to zero values,
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/* Reset. It initializes all registers of all UART devices to zero values,
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(re)opens all RX/TX file streams and places devices in memory address
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(re)opens all RX/TX file streams and places devices in memory address
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space. */
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space. */
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void uart_reset()
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void uart_reset()
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{
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{
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int i;
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int i;
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printf("Resetting %u UART(s).\n", NR_UARTS);
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memset(uarts, 0, sizeof(uarts));
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if (!config.uarts_enabled)
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if (!config.uarts_enabled)
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config.nuarts = 0;
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config.nuarts = 0;
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printf("Resetting %u UART(s).\n", config.nuarts);
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memset(uarts, 0, sizeof(uarts));
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for(i = 0; i < config.nuarts; i++)
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for(i = 0; i < config.nuarts; i++)
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if (config.uarts[i].txfile) { /* MM: Try to create stream. */
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if (config.uarts[i].txfile) { /* MM: Try to create stream. */
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if (!(uarts[i].rxfs = fopen(config.uarts[i].rxfile, "r"))
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if (!(uarts[i].rxfs = fopen(config.uarts[i].rxfile, "r"))
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&& !(uarts[i].rxfs = fopen(config.uarts[i].rxfile, "r+"))) {
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&& !(uarts[i].rxfs = fopen(config.uarts[i].rxfile, "r+"))) {
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printf("UART%d has problems with RX file stream.\n", i);
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printf("UART%d has problems with RX file stream.\n", i);
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Line 218... |
printf("UART%d at 0x%.8x uses ", i, uarts[i].baseaddr);
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printf("UART%d at 0x%.8x uses ", i, uarts[i].baseaddr);
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printf("%s for RX and %s for TX.\n", config.uarts[i].rxfile, config.uarts[i].txfile);
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printf("%s for RX and %s for TX.\n", config.uarts[i].rxfile, config.uarts[i].txfile);
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} else
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} else
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printf("UART%d has problems with TX file stream.\n", i);
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printf("UART%d has problems with TX file stream.\n", i);
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register_memoryarea(uarts[i].baseaddr, UART_ADDR_SPACE, 1, uart_read_byte, uart_write_byte);
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register_memoryarea(uarts[i].baseaddr, UART_ADDR_SPACE, 1, uart_read_byte, uart_write_byte);
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if (config.uarts[i].vapi_id)
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vapi_install_handler (config.uarts[i].vapi_id, uart_vapi_read);
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}
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}
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}
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}
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/* Simulation hook. Must be called every clock cycle to simulate all UART
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/* Simulation hook. Must be called every clock cycle to simulate all UART
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devices. It does internal functional UART simulation. */
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devices. It does internal functional UART simulation. */
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Line 351... |
printf("char_clks: %d\n", uarts[i].char_clks);
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printf("char_clks: %d\n", uarts[i].char_clks);
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printf("rxser_clks: %d txser_clks: %d\n", uarts[i].istat.rxser_clks, uarts[i].istat.txser_clks);
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printf("rxser_clks: %d txser_clks: %d\n", uarts[i].istat.rxser_clks, uarts[i].istat.txser_clks);
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printf("rxser: %d txser: %d\n", uarts[i].istat.rxser, uarts[i].istat.txser);
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printf("rxser: %d txser: %d\n", uarts[i].istat.rxser, uarts[i].istat.txser);
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printf("rxbuf: %d txbuf: %d\n", uarts[i].istat.rxbuf, uarts[i].istat.txbuf);
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printf("rxbuf: %d txbuf: %d\n", uarts[i].istat.rxbuf, uarts[i].istat.txbuf);
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if (config.uarts[i].vapi_id)
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printf ("Connected to vapi ID=%x\n\n", config.uarts[i].vapi_id);
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else
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printf("RX fs: %p TX fs: %p\n\n", uarts[i].rxfs, uarts[i].txfs);
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printf("RX fs: %p TX fs: %p\n\n", uarts[i].rxfs, uarts[i].txfs);
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}
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}
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}
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}
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No newline at end of file
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No newline at end of file
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