From 0ee3a86fedafccaa5f57df86b07547747920972e Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Fri, 22 Jul 2022 16:28:21 +0530 Subject: lib: sbi: Add sbi_nputs() function We add new sbi_nputs() which help us print a fixed number of characters from a physical memory location. Signed-off-by: Anup Patel Reviewed-by: Atish Patra Reviewed-by: Bin Meng Reviewed-by: Xiang W --- include/sbi/sbi_console.h | 2 ++ lib/sbi/sbi_console.c | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/include/sbi/sbi_console.h b/include/sbi/sbi_console.h index e15b55d..dd6a905 100644 --- a/include/sbi/sbi_console.h +++ b/include/sbi/sbi_console.h @@ -33,6 +33,8 @@ void sbi_putc(char ch); void sbi_puts(const char *str); +unsigned long sbi_nputs(const char *str, unsigned long len); + void sbi_gets(char *s, int maxwidth, char endchar); int __printf(2, 3) sbi_sprintf(char *out, const char *format, ...); diff --git a/lib/sbi/sbi_console.c b/lib/sbi/sbi_console.c index bb6e1ef..2f83a26 100644 --- a/lib/sbi/sbi_console.c +++ b/lib/sbi/sbi_console.c @@ -51,6 +51,18 @@ void sbi_puts(const char *str) spin_unlock(&console_out_lock); } +unsigned long sbi_nputs(const char *str, unsigned long len) +{ + unsigned long i; + + spin_lock(&console_out_lock); + for (i = 0; i < len; i++) + sbi_putc(str[i]); + spin_unlock(&console_out_lock); + + return i; +} + void sbi_gets(char *s, int maxwidth, char endchar) { int ch; -- cgit v1.2.3