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doc/Loadtools-usage: list SE J110/120 pair properly These two Chi-Mei phones are variants of the same design with only minor diffs.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 23 Sep 2024 12:28:57 +0000
parents 3229940734e5
children
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#include "ns16550.h"

@ extra serial I/O functions for loadagent binary operations

	.text
	.code	32
	.globl	serial_out_if_empty
serial_out_if_empty:
	ldr	r1, =uart_base
	ldr	r2, [r1]
	ldrb	r3, [r2, #NS16550_LSR]
	tst	r3, #NS16550_LSR_THRE
	strneb	r0, [r2, #NS16550_THR]
	bx	lr