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lib: sbi: Add sbi_ngets() function

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We add new sbi_ngets() which help us read characters into a
physical memory location.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
This commit is contained in:
Anup Patel
2023-01-04 17:36:29 +05:30
committed by Anup Patel
parent 0ee3a86fed
commit 4e0572f57b
2 changed files with 17 additions and 0 deletions
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2
include/sbi/sbi_console.h
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@@ -37,6 +37,8 @@ unsigned long sbi_nputs(const char *str, unsigned long len);
void sbi_gets(char *s, int maxwidth, char endchar);
unsigned long sbi_ngets(char *str, unsigned long len);
int __printf(2, 3) sbi_sprintf(char *out, const char *format, ...);
int __printf(3, 4) sbi_snprintf(char *out, u32 out_sz, const char *format, ...);

15
lib/sbi/sbi_console.c
View File

@@ -76,6 +76,21 @@ void sbi_gets(char *s, int maxwidth, char endchar)
*retval = '\0';
}
unsigned long sbi_ngets(char *str, unsigned long len)
{
int ch;
unsigned long i;
for (i = 0; i < len; i++) {
ch = sbi_getc();
if (ch < 0)
break;
str[i] = ch;
}
return i;
}
#define PAD_RIGHT 1
#define PAD_ZERO 2
#define PAD_ALTERNATE 4