mirror of
https://github.com/riscv-software-src/opensbi
synced 2025-11-04 14:00:31 +00:00
e6125c3c4f
The hartid to hartindex mapping is now tracked in sbi_scratch so we don't need sbi_platform_hart_index() and sbi_platform_hart_invalid() functions hence let us remove them. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Atish Patra <atish.patra@wdc.com>
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*/
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#include <sbi/sbi_console.h>
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#include <sbi/sbi_platform.h>
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#include <sbi/sbi_string.h>
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static inline char *sbi_platform_feature_id2string(unsigned long feature)
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{
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char *fstr = NULL;
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if (!feature)
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return NULL;
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switch (feature) {
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case SBI_PLATFORM_HAS_MFAULTS_DELEGATION:
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fstr = "medeleg";
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break;
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default:
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break;
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}
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return fstr;
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}
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void sbi_platform_get_features_str(const struct sbi_platform *plat,
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char *features_str, int nfstr)
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{
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unsigned long features, feat = 1UL;
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char *temp;
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int offset = 0;
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if (!plat || !features_str || !nfstr)
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return;
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sbi_memset(features_str, 0, nfstr);
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features = sbi_platform_get_features(plat);
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if (!features)
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goto done;
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do {
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if (features & feat) {
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temp = sbi_platform_feature_id2string(feat);
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if (temp) {
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int len = sbi_snprintf(features_str + offset,
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nfstr - offset,
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"%s,", temp);
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if (len < 0)
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break;
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if (offset + len >= nfstr) {
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/* No more space for features */
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offset = nfstr;
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break;
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} else
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offset = offset + len;
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}
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}
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feat = feat << 1;
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} while (feat <= SBI_PLATFORM_HAS_LAST_FEATURE);
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done:
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if (offset)
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features_str[offset - 1] = '\0';
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else
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sbi_strncpy(features_str, "none", nfstr);
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}
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