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r23262 | Imarok | 2019-12-19 18:52:47 +0200 (Thu, 19 Dec 2019) | 9 lines
Workaround for L3 cache detection of Ryzen 3000
This code is planned to get refactored or removed anyway, so just do a cheap workaround.
Reviewed by: Imarok
Fixes: #4360
Differential Revision: https://code.wildfiregames.com/D2353
Index: source/lib/sysdep/arch/x86_x64/cache.cpp
===================================================================
--- source/lib/sysdep/arch/x86_x64/cache.cpp (revision 23261)
+++ source/lib/sysdep/arch/x86_x64/cache.cpp (revision 23262)
@@ -89,7 +89,8 @@
static const size_t associativityTable[16] =
{
0, 1, 2, 0, 4, 0, 8, 0,
- 16, 0, 32, 48, 64, 96, 128, x86_x64::Cache::fullyAssociative
+ // TODO: The second '16' does not obey to the specifications and is only a workaround. For a correct implementation please look here: https://community.amd.com/thread/244207
+ 16, 16, 32, 48, 64, 96, 128, x86_x64::Cache::fullyAssociative
};
static x86_x64::Cache L2Cache(u32 reg, x86_x64::Cache::Type type)
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