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lib: sbi: Fix behavior on platform without HART protection #410

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lib: sbi: Fix behavior on platform without HART protection #410

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6 changes: 3 additions & 3 deletions lib/sbi/sbi_init.c
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Original file line number Diff line number Diff line change
Expand Up @@ -394,7 +394,7 @@ static void __noreturn init_coldboot(struct sbi_scratch *scratch, u32 hartid)
* detected, M-mode access to the S/U space will be rescinded.
*/
rc = sbi_hart_protection_configure(scratch);
if (rc) {
if (rc && rc != SBI_EINVAL) {
sbi_printf("%s: hart isolation configure failed (error %d)\n",
__func__, rc);
sbi_hart_hang();
Expand Down Expand Up @@ -473,7 +473,7 @@ static void __noreturn init_warm_startup(struct sbi_scratch *scratch,
* detected, M-mode access to the S/U space will be rescinded.
*/
rc = sbi_hart_protection_configure(scratch);
if (rc)
if (rc && rc != SBI_EINVAL)
sbi_hart_hang();

count = sbi_scratch_offset_ptr(scratch, init_count_offset);
Expand All @@ -494,7 +494,7 @@ static void __noreturn init_warm_resume(struct sbi_scratch *scratch,
sbi_hart_hang();

rc = sbi_hart_protection_configure(scratch);
if (rc)
if (rc && rc != SBI_EINVAL)
sbi_hart_hang();

sbi_hsm_hart_resume_finish(scratch, hartid);
Expand Down