On 19/12/24 12:01, Xiaoyao Li wrote:
There are duplicated code to setup the value of MSR_CORE_THREAD_COUNT.
Extract a common function for it.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
---
Changes in v2:
- move the implementation of cpu_x86_get_msr_core_thread_count() to
target/i386/cpu-sysemu.c;
---
target/i386/cpu-sysemu.c | 11 +++++++++++
target/i386/cpu.h | 2 ++
target/i386/hvf/x86_emu.c | 3 +--
target/i386/kvm/kvm.c | 5 +----
target/i386/tcg/sysemu/misc_helper.c | 3 +--
5 files changed, 16 insertions(+), 8 deletions(-)
+uint64_t cpu_x86_get_msr_core_thread_count(X86CPU *cpu)
+{
+ CPUState *cs = CPU(cpu);
+ uint64_t val;
+
+ val = cs->nr_threads * cs->nr_cores; /* thread count, bits 15..0 */
+ val |= ((uint32_t)cs->nr_cores << 16); /* core count, bits 31..16 */
+
+ return val;
Alternatively:
return deposit64(cs->nr_threads * cs->nr_cores, 16, 16,
cs->nr_cores);
+}