From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- .../arch/arm/include/asm/hardware/debug-pl01x.S | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S (limited to 'ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S') diff --git a/ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S b/ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S new file mode 100644 index 00000000..f9fd083e --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/include/asm/hardware/debug-pl01x.S @@ -0,0 +1,29 @@ +/* arch/arm/include/asm/hardware/debug-pl01x.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * 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. + * +*/ +#include + + .macro senduart,rd,rx + strb \rd, [\rx, #UART01x_DR] + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #UART01x_FR] + tst \rd, #UART01x_FR_TXFF + bne 1001b + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #UART01x_FR] + tst \rd, #UART01x_FR_BUSY + bne 1001b + .endm -- cgit