libc/libgloss/nios2/io-nios2.S

32 lines
1023 B
ArmAsm

/*
* Low-level semihosting primitive for csky.
*
* Copyright (c) 2018 Mentor Graphics
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
/* Implement
void __io_hosted (int func, void *args);
by causing a break 1. The break handler can find the two parameters in
r4 and r5 per the normal C calling convention. */
.text
.align 2
.global __io_hosted
.type _io_hosted, @function
__io_hosted:
break 1
ret
.size __io_hosted, .-__io_hosted