aboutsummaryrefslogtreecommitdiff
path: root/lib/semihosting/semihosting.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/semihosting/semihosting.c')
-rw-r--r--lib/semihosting/semihosting.c33
1 files changed, 6 insertions, 27 deletions
diff --git a/lib/semihosting/semihosting.c b/lib/semihosting/semihosting.c
index 849ec120..2ba43f34 100644
--- a/lib/semihosting/semihosting.c
+++ b/lib/semihosting/semihosting.c
@@ -1,31 +1,7 @@
/*
* Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * Neither the name of ARM nor the names of its contributors may be used
- * to endorse or promote products derived from this software without specific
- * prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
+ * SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
@@ -125,6 +101,7 @@ long semihosting_file_write(long file_handle,
const uintptr_t buffer)
{
smh_file_read_write_block_t write_block;
+ long result = -EINVAL;
if ((length == NULL) || (buffer == (uintptr_t)NULL))
return -EINVAL;
@@ -133,10 +110,12 @@ long semihosting_file_write(long file_handle,
write_block.buffer = (uintptr_t)buffer; /* cast away const */
write_block.length = *length;
- *length = semihosting_call(SEMIHOSTING_SYS_WRITE,
+ result = semihosting_call(SEMIHOSTING_SYS_WRITE,
(void *) &write_block);
- return *length;
+ *length = result;
+
+ return (result == 0) ? 0 : -EINVAL;
}
long semihosting_file_close(long file_handle)