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lib: Return ENOTSUPP incase of invalid SBI function ID

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OpenSBI should show error trace only if any valid SBI function
does not perform as expected.

However, OpenSBI should show notify the caller with a negative
error if given SBI function ID is not valid.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Atish Patra 2019-03-13 11:08:31 -07:00 • committed by Anup Patel
parent 312850148a
commit 6c39ea99ee
1 changed files with 2 additions and 0 deletions
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2
lib/sbi_ecall.c
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@ -86,6 +86,8 @@ int sbi_ecall_handler(u32 hartid, ulong mcause,
ret = 0;
break;
default:
regs->a0 = SBI_ENOTSUPP;
ret = 0;
break;
};