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lib: Return ENOTSUPP incase of invalid SBI function ID

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>
Atish Patra 5 年 前
コミット
6c39ea99ee
1 ファイル変更2 行追加0 行削除
  1. 2 0
      lib/sbi_ecall.c

+ 2 - 0
lib/sbi_ecall.c

@@ -86,6 +86,8 @@ int sbi_ecall_handler(u32 hartid, ulong mcause,
 		ret = 0;
 		break;
 	default:
+		regs->a0 = SBI_ENOTSUPP;
+		ret = 0;
 		break;
 	};