[Qemu-devel] [PATCH v7 3/9] i386: Initialize cache information for EPYC family processors

[Babu Moger]

Initialize pre-determined cache information for EPYC processors.

Signed-off-by: Babu Moger <address@hidden>
Tested-by: Geoffrey McRae <address@hidden>
---
 target/i386/cpu.c | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index a518a0f..5d88363 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -2302,6 +2302,54 @@ static X86CPUDefinition builtin_x86_defs[] = {
             CPUID_6_EAX_ARAT,
         .xlevel = 0x8000000A,
         .model_id = "AMD EPYC Processor",
+        .cache_info.valid = 1,
+        .cache_info.l1d_cache = {
+            .type = DCACHE,
+            .level = 1,
+            .size = 32 * KiB,
+            .line_size = 64,
+            .associativity = 8,
+            .partitions = 1,
+            .sets = 64,
+            .lines_per_tag = 1,
+            .self_init = 1,
+            .no_invd_sharing = true,
+        },
+        .cache_info.l1i_cache = {
+            .type = ICACHE,
+            .level = 1,
+            .size = 64 * KiB,
+            .line_size = 64,
+            .associativity = 4,
+            .partitions = 1,
+            .sets = 256,
+            .lines_per_tag = 1,
+            .self_init = 1,
+            .no_invd_sharing = true,
+        },
+        .cache_info.l2_cache = {
+            .type = UNIFIED_CACHE,
+            .level = 2,
+            .size = 512 * KiB,
+            .line_size = 64,
+            .associativity = 8,
+            .partitions = 1,
+            .sets = 1024,
+            .lines_per_tag = 1,
+        },
+        .cache_info.l3_cache = {
+            .type = UNIFIED_CACHE,
+            .level = 3,
+            .size = 8 * MiB,
+            .line_size = 64,
+            .associativity = 16,
+            .partitions = 1,
+            .sets = 8192,
+            .lines_per_tag = 1,
+            .self_init = true,
+            .inclusive = true,
+            .complex_indexing = true,
+        },
     },
     {
         .name = "EPYC-IBPB",
@@ -2348,6 +2396,54 @@ static X86CPUDefinition builtin_x86_defs[] = {
             CPUID_6_EAX_ARAT,
         .xlevel = 0x8000000A,
         .model_id = "AMD EPYC Processor (with IBPB)",
+        .cache_info.valid = 1,
+        .cache_info.l1d_cache = {
+            .type = DCACHE,
+            .level = 1,
+            .size = 32 * KiB,
+            .line_size = 64,
+            .associativity = 8,
+            .partitions = 1,
+            .sets = 64,
+            .lines_per_tag = 1,
+            .self_init = 1,
+            .no_invd_sharing = true,
+        },
+        .cache_info.l1i_cache = {
+            .type = ICACHE,
+            .level = 1,
+            .size = 64 * KiB,
+            .line_size = 64,
+            .associativity = 4,
+            .partitions = 1,
+            .sets = 256,
+            .lines_per_tag = 1,
+            .self_init = 1,
+            .no_invd_sharing = true,
+        },
+        .cache_info.l2_cache = {
+            .type = UNIFIED_CACHE,
+            .level = 2,
+            .size = 512 * KiB,
+            .line_size = 64,
+            .associativity = 8,
+            .partitions = 1,
+            .sets = 1024,
+            .lines_per_tag = 1,
+        },
+        .cache_info.l3_cache = {
+            .type = UNIFIED_CACHE,
+            .level = 3,
+            .size = 8 * MiB,
+            .line_size = 64,
+            .associativity = 16,
+            .partitions = 1,
+            .sets = 8192,
+            .lines_per_tag = 1,
+            .self_init = true,
+            .inclusive = true,
+            .complex_indexing = true,
+        },
     },
 };
 
-- 
2.7.4