* Copyright 2003-2006, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*
* Copyright 2001, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#include <arch/debug_console.h>
#include <arch/generic/debug_uart.h>
#include <arch/generic/debug_uart_8250.h>
#include <arch/riscv64/arch_uart_sifive.h>
#include <boot/kernel_args.h>
#include <kernel.h>
#include <vm/vm.h>
#include <Htif.h>
#include <string.h>
static DebugUART* sArchDebugUART = NULL;
void
arch_debug_remove_interrupt_handler(uint32 line)
{
}
void
arch_debug_install_interrupt_handlers(void)
{
}
int
arch_debug_blue_screen_try_getchar(void)
{
return 0;
}
char
arch_debug_blue_screen_getchar(void)
{
return 0;
}
int
arch_debug_serial_try_getchar(void)
{
return arch_debug_serial_getchar();
}
char
arch_debug_serial_getchar(void)
{
if (sArchDebugUART != NULL)
return sArchDebugUART->GetChar(false);
return 0;
}
void
arch_debug_serial_putchar(const char c)
{
if (sArchDebugUART != NULL) {
sArchDebugUART->PutChar(c);
return;
}
HtifOutChar(c);
}
void
arch_debug_serial_puts(const char *s)
{
while (*s != '\0') {
char ch = *s;
if (ch == '\n') {
arch_debug_serial_putchar('\r');
arch_debug_serial_putchar('\n');
} else if (ch != '\r')
arch_debug_serial_putchar(ch);
s++;
}
}
void
arch_debug_serial_early_boot_message(const char *string)
{
arch_debug_serial_puts(string);
}
status_t
arch_debug_console_init(kernel_args *args)
{
if (strncmp(args->arch_args.uart.kind, UART_KIND_8250,
sizeof(args->arch_args.uart.kind)) == 0) {
sArchDebugUART = arch_get_uart_8250(args->arch_args.uart.regs.start,
args->arch_args.uart.clock);
} else if (strncmp(args->arch_args.uart.kind, UART_KIND_SIFIVE,
sizeof(args->arch_args.uart.kind)) == 0) {
sArchDebugUART = arch_get_uart_sifive(args->arch_args.uart.regs.start,
args->arch_args.uart.clock);
}
if (sArchDebugUART != NULL)
sArchDebugUART->InitEarly();
return B_OK;
}
status_t
arch_debug_console_init_settings(kernel_args *args)
{
return B_OK;
}
