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lib: sbi: Print list of available SBI extensions at boot-time

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Add boot-time prints for list of available standard and experimental
SBI extensions.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
This commit is contained in:
Anup Patel
2024-12-22 11:16:13 +05:30
committed by Anup Patel
parent d539d64a23
commit 06754612f3
19 changed files with 63 additions and 9 deletions
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24
lib/sbi/sbi_ecall.c
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@@ -11,6 +11,7 @@
#include <sbi/sbi_ecall.h>
#include <sbi/sbi_ecall_interface.h>
#include <sbi/sbi_error.h>
#include <sbi/sbi_string.h>
#include <sbi/sbi_trap.h>
extern struct sbi_ecall_extension *const sbi_ecall_exts[];
@@ -53,6 +54,29 @@ struct sbi_ecall_extension *sbi_ecall_find_extension(unsigned long extid)
return ret;
}
void sbi_ecall_get_extensions_str(char *exts_str, int exts_str_size, bool experimental)
{
struct sbi_ecall_extension *t;
int offset = 0;
if (!exts_str || exts_str_size <= 0)
return;
sbi_memset(exts_str, 0, exts_str_size);
sbi_list_for_each_entry(t, &ecall_exts_list, head) {
if (experimental != t->experimental)
continue;
sbi_snprintf(exts_str + offset, exts_str_size - offset,
"%s,", t->name);
offset = offset + sbi_strlen(t->name) + 1;
}
if (offset)
exts_str[offset - 1] = '\0';
else
sbi_strncpy(exts_str, "none", exts_str_size);
}
int sbi_ecall_register_extension(struct sbi_ecall_extension *ext)
{
struct sbi_ecall_extension *t;