[kvm-unit-tests PATCH 1/2] riscv: sbi: Check and test spec version

[Andrew Jones]

The base extension tests are only valid for spec versions 0.2 and
later, so ensure we have that before proceeding. Also check the
spec version matches an expected value, as we do the other functions.

Signed-off-by: Andrew Jones <ajones at ventanamicro.com>
---
 riscv/sbi.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/riscv/sbi.c b/riscv/sbi.c
index cd36290ce11e..707ce8dd1c57 100644
--- a/riscv/sbi.c
+++ b/riscv/sbi.c
@@ -50,6 +50,19 @@ static void check_base(void)
 
 	report_prefix_push("base");
 
+	ret = __base_sbi_ecall(SBI_EXT_BASE_GET_SPEC_VERSION, 0);
+	if (ret.error || ret.value < 2) {
+		report_skip("SBI spec version 0.2 or higher required");
+		return;
+	}
+
+	report_prefix_push("spec_version");
+	if (env_or_skip("SPEC_VERSION")) {
+		expected = strtol(getenv("SPEC_VERSION"), NULL, 0);
+		gen_report(&ret, 0, expected);
+	}
+	report_prefix_pop();
+
 	report_prefix_push("impl_id");
 	if (env_or_skip("IMPL_ID")) {
 		expected = strtol(getenv("IMPL_ID"), NULL, 0);
-- 
2.44.0