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lib: sbi: Allow specifying start mode to sbi_hsm_hart_start() API

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The sbi_scratch already has provision to specify the next stage mode
so we can leverage this to specify start mode to sbi_hsm_hart_start().

In future, this will be useful in providing SBI calls to U-mode on
embedded cores where we M-mode and U-mode but no S-mode.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Anup Patel
2020-09-07 11:11:29 +05:30
committed by Anup Patel
parent c1c7c3ee9e
commit 6734304f8c
3 changed files with 11 additions and 3 deletions
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include/sbi/sbi_hsm.h
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@@ -25,7 +25,7 @@ int sbi_hsm_init(struct sbi_scratch *scratch, u32 hartid, bool cold_boot);
void __noreturn sbi_hsm_exit(struct sbi_scratch *scratch);
int sbi_hsm_hart_start(struct sbi_scratch *scratch, u32 hartid,
ulong saddr, ulong priv);
ulong saddr, ulong smode, ulong priv);
int sbi_hsm_hart_stop(struct sbi_scratch *scratch, bool exitnow);
int sbi_hsm_hart_get_state(u32 hartid);
int sbi_hsm_hart_state_to_status(int state);