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lib: sbi: Add sbi_nputs() function

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We add new sbi_nputs() which help us print a fixed number of characters
from a physical memory location.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Xiang W <wxjstz@126.com>
This commit is contained in:
Anup Patel
2022-07-22 16:28:21 +05:30
committed by Anup Patel
parent e3bf1afcc5
commit 0ee3a86fed
2 changed files with 14 additions and 0 deletions
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2
include/sbi/sbi_console.h
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@@ -33,6 +33,8 @@ void sbi_putc(char ch);
void sbi_puts(const char *str); 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); void sbi_gets(char *s, int maxwidth, char endchar);
int __printf(2, 3) sbi_sprintf(char *out, const char *format, ...); int __printf(2, 3) sbi_sprintf(char *out, const char *format, ...);

12
lib/sbi/sbi_console.c
View File

@@ -51,6 +51,18 @@ void sbi_puts(const char *str)
spin_unlock(&console_out_lock); 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) void sbi_gets(char *s, int maxwidth, char endchar)
{ {
int ch; int ch;