mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-04-28 19:54:01 +00:00
511d4c158b
--move several uart API declarations from console.h to uart16550.h --move several shell API declarations from console.h to shell.h --add dbg_cmd.h, move 'handle_dbg_cmd' declaration from console.h to dbg_cmd.h --move debug/uart16550.h to include/debug/uart16550.h since some uart APIs will be called by external files Tracked-On: #1842 Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com> Reviewed-by: Eddie Dong <eddie.dong@intel.com> modified: arch/x86/guest/vm.c modified: arch/x86/init.c modified: bsp/uefi/cmdline.c modified: debug/console.c modified: debug/dbg_cmd.c modified: debug/uart16550.c modified: debug/vuart.c modified: hw/pci.c modified: include/arch/x86/multiboot.h modified: include/debug/console.h new file: include/debug/dbg_cmd.h new file: include/debug/shell.h renamed: debug/uart16550.h -> include/debug/uart16550.h
77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <hypervisor.h>
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#include <shell.h>
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#include <uart16550.h>
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struct hv_timer console_timer;
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#define CONSOLE_KICK_TIMER_TIMEOUT 40UL /* timeout is 40ms*/
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void console_init(void)
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{
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uart16550_init();
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}
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void console_putc(const char *ch)
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{
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(void)uart16550_puts(ch, 1U);
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}
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size_t console_write(const char *s, size_t len)
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{
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return uart16550_puts(s, len);
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}
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char console_getc(void)
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{
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return uart16550_getc();
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}
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static void console_timer_callback(__unused void *data)
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{
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struct acrn_vuart *vu;
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/* Kick HV-Shell and Uart-Console tasks */
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vu = vuart_console_active();
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if (vu != NULL) {
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/* serial Console Rx operation */
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vuart_console_rx_chars(vu);
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/* serial Console Tx operation */
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vuart_console_tx_chars(vu);
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} else {
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shell_kick();
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}
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}
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void console_setup_timer(void)
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{
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uint64_t period_in_cycle, fire_tsc;
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period_in_cycle = CYCLES_PER_MS * CONSOLE_KICK_TIMER_TIMEOUT;
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fire_tsc = rdtsc() + period_in_cycle;
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initialize_timer(&console_timer,
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console_timer_callback, NULL,
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fire_tsc, TICK_MODE_PERIODIC, period_in_cycle);
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/* Start an periodic timer */
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if (add_timer(&console_timer) != 0) {
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pr_err("Failed to add console kick timer");
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}
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}
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void suspend_console(void)
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{
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del_timer(&console_timer);
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}
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void resume_console(void)
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{
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console_setup_timer();
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}
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