#define __SBI_HART_H__
#include <sbi/sbi_types.h>
+#include <sbi/sbi_bitops.h>
/** Possible privileged specification versions of a hart */
enum sbi_hart_priv_versions {
struct sbi_hart_features {
bool detected;
int priv_version;
- unsigned long extensions;
+ unsigned long extensions[BITS_TO_LONGS(SBI_HART_EXT_MAX)];
unsigned int pmp_count;
unsigned int pmp_addr_bits;
unsigned long pmp_gran;
bool enable)
{
if (enable)
- hfeatures->extensions |= BIT(ext);
+ __set_bit(ext, hfeatures->extensions);
else
- hfeatures->extensions &= ~BIT(ext);
+ __clear_bit(ext, hfeatures->extensions);
}
/**
struct sbi_hart_features *hfeatures =
sbi_scratch_offset_ptr(scratch, hart_features_offset);
- if (hfeatures->extensions & BIT(ext))
+ if (__test_bit(ext, hfeatures->extensions))
return true;
else
return false;
return;
sbi_memset(extensions_str, 0, nestr);
- if (!hfeatures->extensions)
- goto done;
-
- do {
- if (hfeatures->extensions & BIT(ext)) {
- temp = sbi_hart_extension_id2string(ext);
- if (temp) {
- sbi_snprintf(extensions_str + offset,
- nestr - offset,
- "%s,", temp);
- offset = offset + sbi_strlen(temp) + 1;
- }
+ for_each_set_bit(ext, hfeatures->extensions, SBI_HART_EXT_MAX) {
+ temp = sbi_hart_extension_id2string(ext);
+ if (temp) {
+ sbi_snprintf(extensions_str + offset,
+ nestr - offset,
+ "%s,", temp);
+ offset = offset + sbi_strlen(temp) + 1;
}
+ }
- ext++;
- } while (ext < SBI_HART_EXT_MAX);
-
-done:
if (offset)
extensions_str[offset - 1] = '\0';
else
return 0;
/* Clear hart features */
- hfeatures->extensions = 0;
+ sbi_memset(hfeatures->extensions, 0, sizeof(hfeatures->extensions));
hfeatures->pmp_count = 0;
hfeatures->mhpm_mask = 0;