| Line 335... |
Line 335... |
/* 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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void uart_clock16(int i)
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void uart_clock16(int i)
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{
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{
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int retval;
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int retval;
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/* Schedule for later */
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SCHED_ADD (uart_clock16, i, cycles + UART_CLOCK_DIVIDER);
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/* If VAPI is not selected, UART communicates with two file streams;
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/* If VAPI is not selected, UART communicates with two file streams;
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if VAPI is selected, we use VAPI streams. */
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if VAPI is selected, we use VAPI streams. */
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/* if txfs is corrupted, skip this uart. */
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/* if txfs is corrupted, skip this uart. */
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if (!config.uarts[i].vapi_id && !uarts[i].txfs) return;
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if (!config.uarts[i].vapi_id && !uarts[i].txfs) return;
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if (uarts[i].vapi.next_break_cnt >= 0)
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if (uarts[i].vapi.next_break_cnt >= 0)
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if (--uarts[i].vapi.next_break_cnt < 0) {
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if (--uarts[i].vapi.next_break_cnt < 0) {
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| Line 542... |
Line 545... |
}
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}
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if (!(uarts[i].regs.iir & UART_IIR_NO_INT)) {
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if (!(uarts[i].regs.iir & UART_IIR_NO_INT)) {
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debug (4, "uarts[i].regs.iir = %i\t", uarts[i].regs.iir);
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debug (4, "uarts[i].regs.iir = %i\t", uarts[i].regs.iir);
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report_interrupt(config.uarts[i].irq);
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report_interrupt(config.uarts[i].irq);
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}
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}
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SCHED_ADD (uart_clock16, i, cycles + UART_CLOCK_DIVIDER);
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}
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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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| Line 595... |
Line 597... |
uarts[i].slowdown = UART_FGETC_SLOWDOWN;
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uarts[i].slowdown = UART_FGETC_SLOWDOWN;
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|
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uarts[i].regs.lcr = UART_LCR_RESET;
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uarts[i].regs.lcr = UART_LCR_RESET;
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uarts[i].vapi.cur_break = uarts[i].vapi.cur_break_cnt = uarts[i].vapi.next_break = 0;
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uarts[i].vapi.cur_break = uarts[i].vapi.cur_break_cnt = uarts[i].vapi.next_break = 0;
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uarts[i].vapi.next_break_cnt = -1;
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uarts[i].vapi.next_break_cnt = -1;
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printf ("%i\n", i);
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SCHED_ADD (uart_clock16, i, cycles + UART_CLOCK_DIVIDER);
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SCHED_ADD (uart_clock16, i, cycles + UART_CLOCK_DIVIDER);
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}
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}
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}
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}
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/* Print register values on stdout. */
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/* Print register values on stdout. */
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