[PATCH 1/2] dmi: dmicheck: check reserved bits of Type 7 offset 0x5

[Alex Hung]

Bits[10:15] of Cache Configuration (offset 0x5) should be reserved.

Signed-off-by: Alex Hung <alex.hung at canonical.com>
---
 src/dmi/dmicheck/dmicheck.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/dmi/dmicheck/dmicheck.c b/src/dmi/dmicheck/dmicheck.c
index a85a17a..ca0b3f6 100644
--- a/src/dmi/dmicheck/dmicheck.c
+++ b/src/dmi/dmicheck/dmicheck.c
@@ -1187,6 +1187,13 @@ static void dmicheck_entry(fwts_framework *fw,
 					"0x%8.8" PRIx32 ", field '%s', offset 0x%2.2x",
 					GET_UINT16(data + 0x05),
 					table, addr, "Cache Location", 0x5);
+			if (GET_UINT16(data + 0x05) >> 10)
+				fwts_failed(fw, LOG_LEVEL_MEDIUM, DMI_RESERVED_VALUE_USED,
+					"Reserved bits 0x%4.4" PRIx16 " was used and "
+					"bits 10..15 should be reserved while accessing entry '%s' @ "
+					"0x%8.8" PRIx32 ", field '%s', offset 0x%2.2x",
+					GET_UINT16(data + 0x05),
+					table, addr, "Cache Location", 0x5);
 			if (hdr->length < 0x13)
 				break;
 			dmi_min_max_uint8_check(fw, table, addr, "Error Correction Type", hdr, 0x10, 0x1, 0x6);
-- 
2.7.4