From: Zhao Liu <zhao1.liu@intel.com>
CPUID[0x8000001D].EAX[bits 25:14] is used to represent the cache
topology for amd CPUs.
After cache models have topology information, we can use
CPUCacheInfo.share_level to decide which topology level to be encoded
into CPUID[0x8000001D].EAX[bits 25:14].
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
---
target/i386/cpu.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index d691c02e3c06..5816dc99b1d4 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -355,20 +355,12 @@ static void encode_cache_cpuid8000001d(CPUCacheInfo *cache,
uint32_t *eax, uint32_t *ebx,
uint32_t *ecx, uint32_t *edx)
{
- uint32_t sharing_apic_ids;
assert(cache->size == cache->line_size * cache->associativity *
cache->partitions * cache->sets);
*eax = CACHE_TYPE(cache->type) | CACHE_LEVEL(cache->level) |
(cache->self_init ? CACHE_SELF_INIT_LEVEL : 0);
-
- /* L3 is shared among multiple cores */
- if (cache->level == 3) {
- sharing_apic_ids = 1 << apicid_die_offset(topo_info);
- } else {
- sharing_apic_ids = 1 << apicid_core_offset(topo_info);
- }
- *eax |= (sharing_apic_ids - 1) << 14;
+ *eax |= max_processor_ids_for_cache(cache, topo_info) << 14;
assert(cache->line_size > 0);
assert(cache->partitions > 0);
--
2.34.1