// SPDX-License-Identifier: GPL-2.0+ #include #include #ifdef CONFIG_SBI_V01 static inline void _debug_uart_init(void) { } static inline void _debug_uart_putc(int c) { if (CONFIG_IS_ENABLED(RISCV_SMODE)) sbi_console_putchar(c); } #else static int sbi_dbcn_available; static inline void _debug_uart_init(void) { if (CONFIG_IS_ENABLED(RISCV_SMODE)) sbi_dbcn_available = sbi_probe_extension(SBI_EXT_DBCN); } static inline void _debug_uart_putc(int ch) { if (CONFIG_IS_ENABLED(RISCV_SMODE) && sbi_dbcn_available) sbi_dbcn_write_byte(ch); } #endif DEBUG_UART_FUNCS