diff options
Diffstat (limited to 'newlib/libc/sys/h8300hms/_exit.c')
| -rw-r--r-- | newlib/libc/sys/h8300hms/_exit.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/newlib/libc/sys/h8300hms/_exit.c b/newlib/libc/sys/h8300hms/_exit.c new file mode 100644 index 000000000..701cd8e4a --- /dev/null +++ b/newlib/libc/sys/h8300hms/_exit.c @@ -0,0 +1,35 @@ +/* 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; + + rc2 = 0xdead; + asm("mov.w %0,r1" : : "r" (rc2) : "r1"); + rc2 = 0xbeef; + asm("mov.w %0,r2" : : "r" (rc2) : "r2"); + rc2 = rc << 8; + asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0"); +} + +void +_DEFUN (__exit,(rc), + int rc) +{ + short rc2; + + rc2 = 0xdead; + asm("mov.w %0,r1" : : "r" (rc2) : "r1"); + rc2 = 0xbeef; + asm("mov.w %0,r2" : : "r" (rc2) : "r2"); + rc2 = rc << 8; + asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0"); +} |