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lib: sbi: Extend sbi_hsm_hart_start() for domains
The sbi_hsm_hart_start() should consider the domain under which we are trying to start the HART. This will help ensure that HART A can start HART B only if both HARTs A and B belong to the same domain. We also have a special case when we bring-up boot HART of non-root domains in sbi_domain_finalize() where we should skip domain checks in sbi_hsm_hart_start(). To achieve this, sbi_hsm_hart_start() should do domain checks only when domain parameter is non-NULL. This patch extends sbi_hsm_hart_start() as-per above. Signed-off-by: Anup Patel <anup.patel@wdc.com> Reviewed-by: Atish Patra <atish.patra@wdc.com>
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@@ -324,8 +324,10 @@ int sbi_domain_finalize(struct sbi_scratch *scratch, u32 cold_hartid)
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scratch->next_mode = dom->next_mode;
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scratch->next_arg1 = dom->next_arg1;
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} else {
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rc = sbi_hsm_hart_start(scratch, dhart, dom->next_addr,
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dom->next_mode, dom->next_arg1);
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rc = sbi_hsm_hart_start(scratch, NULL, dhart,
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dom->next_addr,
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dom->next_mode,
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dom->next_arg1);
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if (rc)
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return rc;
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}
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