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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-146-generic/arch/arm/include/debug/ |
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/* * Copyright (C) 2014 Carlo Caione * Carlo Caione <carlo@caione.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #define MESON_AO_UART_WFIFO 0x0 #define MESON_AO_UART_STATUS 0xc #define MESON_AO_UART_TX_FIFO_EMPTY (1 << 22) #define MESON_AO_UART_TX_FIFO_FULL (1 << 21) .macro addruart, rp, rv, tmp ldr \rp, =(CONFIG_DEBUG_UART_PHYS) @ physical ldr \rv, =(CONFIG_DEBUG_UART_VIRT) @ virtual .endm .macro senduart,rd,rx str \rd, [\rx, #MESON_AO_UART_WFIFO] .endm .macro busyuart,rd,rx 1002: ldr \rd, [\rx, #MESON_AO_UART_STATUS] tst \rd, #MESON_AO_UART_TX_FIFO_EMPTY beq 1002b .endm .macro waituart,rd,rx 1001: ldr \rd, [\rx, #MESON_AO_UART_STATUS] tst \rd, #MESON_AO_UART_TX_FIFO_FULL bne 1001b .endm