linux-kernel - [PATCH v1 11/13] tools/x86/kcpuid: Add Transmeta and Centaur ranges

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Message-ID: <20241128222948.579920-12-darwi@linutronix.de>
Date: Thu, 28 Nov 2024 23:29:46 +0100
From: "Ahmed S. Darwish" <darwi@...utronix.de>
To: Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	"H. Peter Anvin" <hpa@...or.com>
Cc: Thomas Gleixner <tglx@...utronix.de>,
	John Ogness <john.ogness@...utronix.de>,
	linux-kernel@...r.kernel.org,
	x86@...nel.org,
	x86-cpuid@...ts.linux.dev,
	"Ahmed S. Darwish" <darwi@...utronix.de>
Subject: [PATCH v1 11/13] tools/x86/kcpuid: Add Transmeta and Centaur ranges

Add Transmeta (0x80860000) and Centaur/Zhaoxin (0xc0000000) leaf index
ranges, as the CSV file will be updated with exclusive entries for each.

Note, without explicitly adding such ranges, their respective indices
will get skipped during CSV bitfield parsing.

Signed-off-by: Ahmed S. Darwish <darwi@...utronix.de>
---
 tools/arch/x86/kcpuid/kcpuid.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/arch/x86/kcpuid/kcpuid.c b/tools/arch/x86/kcpuid/kcpuid.c
index f798c909c7b2..5656571f6066 100644
--- a/tools/arch/x86/kcpuid/kcpuid.c
+++ b/tools/arch/x86/kcpuid/kcpuid.c
@@ -84,6 +84,8 @@ static enum cpu_vendor this_cpu_vendor;
 enum range_index {
 	RANGE_STD = 0,			/* Standard */
 	RANGE_EXT = 0x80000000,		/* Extended */
+	RANGE_TSM = 0x80860000,		/* Transmeta */
+	RANGE_CTR = 0xc0000000,		/* Centaur/Zhaoxin */
 };
 
 #define CPUID_INDEX_MASK		0xffff0000
@@ -106,6 +108,12 @@ static struct cpuid_range ranges[] = {
 	{	.index		= RANGE_EXT,
 		.vendors	= VENDOR_ALL,
 	},
+	{	.index		= RANGE_TSM,
+		.vendors	= VENDOR_TRANSMETA,
+	},
+	{	.index		= RANGE_CTR,
+		.vendors	= VENDOR_CENTAUR,
+	},
 };
 
 static char *range_to_str(struct cpuid_range *range)
@@ -113,6 +121,8 @@ static char *range_to_str(struct cpuid_range *range)
 	switch (range->index) {
 	case RANGE_STD:		return "Standard";
 	case RANGE_EXT:		return "Extended";
+	case RANGE_TSM:		return "Transmeta";
+	case RANGE_CTR:		return "Centaur";
 	default:		return NULL;
 	}
 }
-- 
2.46.2