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| author | Chen Pei <cp0613@linux.alibaba.com> | 2023-10-18 10:42:05 +0800 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2023-11-16 11:36:44 +0530 |
| commit | 07f2ccd990de5f55ce7d194846fff91b6c3aedf6 (patch) | |
| tree | b3bb14f115459d2f305e6c21101d316102880d75 /lib/utils/serial/semihosting.c | |
| parent | 52fd64b82c0de0fdf386c96f2b9e1c4c3e56d80d (diff) | |
| download | opensbi-07f2ccd990de5f55ce7d194846fff91b6c3aedf6.zip opensbi-07f2ccd990de5f55ce7d194846fff91b6c3aedf6.tar.gz opensbi-07f2ccd990de5f55ce7d194846fff91b6c3aedf6.tar.bz2 | |
lib: utils/serial: Optimize semihosting_putc implementation
For some debuggers that do not implement SYSWRITEC and SYSREADC
operations, we can use SYSWRITE and SYSREAD instead like the
implementation of semihosting_getc().
Signed-off-by: Chen Pei <cp0613@linux.alibaba.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'lib/utils/serial/semihosting.c')
| -rw-r--r-- | lib/utils/serial/semihosting.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/utils/serial/semihosting.c b/lib/utils/serial/semihosting.c index ce65887..a27c69e 100644 --- a/lib/utils/serial/semihosting.c +++ b/lib/utils/serial/semihosting.c @@ -160,11 +160,6 @@ static long semihosting_write(long fd, const void *memp, size_t len) /* clang-format on */ -static void semihosting_putc(char ch) -{ - semihosting_trap(SYSWRITEC, &ch); -} - static unsigned long semihosting_puts(const char *str, unsigned long len) { char ch; @@ -183,6 +178,11 @@ static unsigned long semihosting_puts(const char *str, unsigned long len) return (ret < 0) ? 0 : ret; } +static void semihosting_putc(char ch) +{ + semihosting_puts(&ch, 1); +} + static int semihosting_getc(void) { char ch = 0; |