Merge pull request #13 from klauspost/master-v2-6

Add Ryzen master v2.6.2 patch
klauspost · May 3, 2021 · 5a940a9 · 5a940a9
2 parents 38583ae + 52ba4f2
commit 5a940a9
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Showing 2 changed files with 18 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -18,7 +18,8 @@ Confirmed versions:
  * v2.1.1.1472 (2020)
  * v2.2.0.1543 (2020)
  * v2.3.0.1591 (2020)
- * v2.6.0.1692 (2020) - some versions tested.
+ * v2.6.0.1692 (2020)
+ * v2.6.2.1818 (2021)
 
 Threadripper patch was supplied by [@neoKushan](https://github.com/neoKushan).
 Ryzen 1000 series patch was supplied by [@kaelanduck](https://github.com/kaelanduck).

diff --git a/main.go b/main.go
@@ -46,10 +46,25 @@ var patterns = []struct {
 		replace: []byte{0x44, 0x39, 0x6D, 0xA8, 0x90, 0xe9, 0xf7},
 	},
 	{
-		desc:    "Ryzen Master v2.3 -> ?",
+		desc:    "Ryzen Master v2.3 -> 2.6.0",
 		search:  []byte{0x44, 0x39, 0xad, 0xf8, 0, 0, 0, 0x0f, 0x84},
 		replace: []byte{0x44, 0x39, 0xad, 0xf8, 0, 0, 0, 0x90, 0xe9},
 	},
+	{
+		desc:   "Ryzen Master v2.6.2 -> ?",
+		search: []byte{0x8D, 0x48, 0xFA, 0x83, 0xF9, 0x01, 0x0F, 0x87},
+		// mov     edi, eax
+		// lea     ecx, [rax-6]
+		// cmp     ecx, 1
+		// ja      loc_14001BF3A
+
+		replace: []byte{0x8D, 0x48, 0xFA, 0x83, 0xF9, 0x01, 0x90, 0xe9},
+		// mov     edi, eax
+		// lea     ecx, [rax-6]
+		// cmp     ecx, 1
+		// nop
+		// jmp     loc_14001BF3A
+	},
 	{
 		desc:    "Ryzen Master Threadripper",
 		search:  []byte{0x00, 0x39, 0x7D, 0x90, 0x0F, 0x84, 0xE8, 0x00},