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hv: update RTCT ACPI table detecting

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Signature of RTCT ACPI table maybe "PTCT"(v1) or "RTCT"(v2).
 and the MAGIC number in CRL header is also changed from "PTCM"
 to "RTCM".

 This patch refine the code to detect RTCT table for both
 v1 and v2.

Tracked-On: #6020
Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
This commit is contained in:
Yonghua Huang
2021-05-27 13:36:26 +08:00
committed by wenlingz
parent 80a9b3bf1e
commit 1a6ead9af5
4 changed files with 9 additions and 2 deletions
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3
hypervisor/include/arch/x86/asm/rtcm.h
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@@ -18,7 +18,8 @@ typedef int32_t MSABI(*rtcm_abi_func)(uint32_t command, void *command_struct);
#define RTCM_CMD_RDMSR (int32_t)3U
#define RTCM_CMD_WRMSR (int32_t)4U
#define RTCM_MAGIC 0x5054434dU
#define RTCM_MAGIC_PTCM 0x5054434dU /* "PTCM", CRL header magic number for RTCT version 1 */
#define RTCM_MAGIC_RTCM 0x5254434dU /* "RTCM", CRL header magic number for RTCT version 2 */
struct rtcm_header {
uint32_t magic;