From f95a4a932476be2ba99e2fd081e8d2bc6ea12813 Mon Sep 17 00:00:00 2001 From: PikalaxALT Date: Fri, 15 Dec 2017 09:38:53 -0500 Subject: Import newlib and create makefile --- newlib/libc/sys/h8300hms/_exit.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 newlib/libc/sys/h8300hms/_exit.c (limited to 'newlib/libc/sys/h8300hms/_exit.c') diff --git a/newlib/libc/sys/h8300hms/_exit.c b/newlib/libc/sys/h8300hms/_exit.c new file mode 100644 index 0000000..17d1538 --- /dev/null +++ b/newlib/libc/sys/h8300hms/_exit.c @@ -0,0 +1,23 @@ +/* FIXME: which one? */ + +#include <_ansi.h> + +/* `sleep' is passed an argument in r0 that indicates the reason + the program is exiting. The format of r0 is defined in devo/include/wait.h. +*/ + +void +_DEFUN (_exit,(rc), + int rc) +{ + short rc2 = rc << 8; + asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0"); +} + +void +_DEFUN (__exit,(rc), + int rc) +{ + short rc2 = rc << 8; + asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0"); +} -- cgit v1.2.3