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Diffstat (limited to 'lib/sbi/sbi_hart_protection.c')
-rw-r--r--lib/sbi/sbi_hart_protection.c34
1 files changed, 31 insertions, 3 deletions
diff --git a/lib/sbi/sbi_hart_protection.c b/lib/sbi/sbi_hart_protection.c
index d607ed74..c4c149c8 100644
--- a/lib/sbi/sbi_hart_protection.c
+++ b/lib/sbi/sbi_hart_protection.c
@@ -4,13 +4,15 @@
* Copyright (c) 2025 Ventana Micro Systems Inc.
*/
+#include <sbi/sbi_console.h>
#include <sbi/sbi_error.h>
#include <sbi/sbi_hart_protection.h>
#include <sbi/sbi_scratch.h>
+#include <sbi/sbi_string.h>
static SBI_LIST_HEAD(hart_protection_list);
-struct sbi_hart_protection *sbi_hart_memory_protection_best(void)
+static struct sbi_hart_protection *__hart_memory_protection_best(void)
{
struct sbi_hart_protection *pos;
@@ -22,6 +24,32 @@ struct sbi_hart_protection *sbi_hart_memory_protection_best(void)
return NULL;
}
+void sbi_hart_protection_get_str(char *out_str, int out_str_size)
+{
+ bool memory_protect_done = false;
+ struct sbi_hart_protection *pos;
+ int offset = 0;
+
+ if (!out_str || out_str_size <= 0)
+ return;
+ sbi_memset(out_str, 0, out_str_size);
+
+ sbi_list_for_each_entry(pos, &hart_protection_list, head) {
+ if (pos->type == SBI_HART_PROTECTION_TYPE_MEMORY) {
+ if (memory_protect_done)
+ continue;
+ memory_protect_done = true;
+ }
+ sbi_snprintf(out_str + offset, out_str_size - offset, "%s,", pos->name);
+ offset = offset + sbi_strlen(pos->name) + 1;
+ }
+
+ if (offset)
+ out_str[offset - 1] = '\0';
+ else
+ sbi_strncpy(out_str, "none", out_str_size);
+}
+
int sbi_hart_protection_register(struct sbi_hart_protection *hprot)
{
struct sbi_hart_protection *pos = NULL;
@@ -170,7 +198,7 @@ int sbi_hart_protection_reconfigure(struct sbi_scratch *scratch,
int sbi_hart_protection_map_range(unsigned long base, unsigned long size)
{
- struct sbi_hart_protection *hprot = sbi_hart_memory_protection_best();
+ struct sbi_hart_protection *hprot = __hart_memory_protection_best();
if (!hprot || !hprot->map_range)
return 0;
@@ -180,7 +208,7 @@ int sbi_hart_protection_map_range(unsigned long base, unsigned long size)
int sbi_hart_protection_unmap_range(unsigned long base, unsigned long size)
{
- struct sbi_hart_protection *hprot = sbi_hart_memory_protection_best();
+ struct sbi_hart_protection *hprot = __hart_memory_protection_best();
if (!hprot || !hprot->unmap_range)
return 0;