FreeCalypso > hg > freecalypso-sw
view target-utils/libcommon/serflush.S @ 42:5da0cbee2b89
fc-xram tool written, compiles, now needs to be debugged
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 17 Jun 2013 07:18:04 +0000 |
parents | 1a3bbab2ea26 |
children |
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#include "ns16550.h" .text .code 32 .global serial_flush serial_flush: ldr r1, =uart_base ldr r2, [r1] 1: ldrb r3, [r2, #NS16550_LSR] tst r3, #NS16550_LSR_TEMP beq 1b bx lr