Add core/hyperthread count for Windows and Linux (#5216)

Add core/hyperthread count to `core:sys/info` for Windows and Linux.
TODO: Linux RISCV, Linux ARM, Darwin, and the BSDs.

1 files changed, 10 insertions, 6 deletions

diff --git a/core/sys/info/cpu_arm.odin b/core/sys/info/cpu_arm.odin
index 960e55a56..8f5143394 100644
--- a/core/sys/info/cpu_arm.odin
+++ b/core/sys/info/cpu_arm.odin
@@ -40,9 +40,13 @@ CPU_Feature :: enum u64 {
 }
 
 CPU_Features :: distinct bit_set[CPU_Feature; u64]
-
-cpu_features: Maybe(CPU_Features)
-cpu_name: Maybe(string)
+CPU :: struct {
+	name:           Maybe(string),
+	features:       Maybe(CPU_Features),
+	physical_cores: int,
+	logical_cores:  int,
+}
+cpu: CPU
 
 @(private)
 cpu_name_buf: [128]byte
@@ -53,7 +57,7 @@ init_cpu_name :: proc "contextless" () {
 
 	when ODIN_OS == .Darwin {
 		if unix.sysctlbyname("machdep.cpu.brand_string", &cpu_name_buf) {
-			cpu_name = string(cstring(rawptr(&cpu_name_buf)))
+			cpu.name = string(cstring(rawptr(&cpu_name_buf)))
 			generic = false
 		}
 	}
@@ -61,10 +65,10 @@ init_cpu_name :: proc "contextless" () {
 	if generic {
 		when ODIN_ARCH == .arm64 {
 			copy(cpu_name_buf[:], "ARM64")
-			cpu_name = string(cpu_name_buf[:len("ARM64")])
+			cpu.name = string(cpu_name_buf[:len("ARM64")])
 		} else {
 			copy(cpu_name_buf[:], "ARM")
-			cpu_name = string(cpu_name_buf[:len("ARM")])
+			cpu.name = string(cpu_name_buf[:len("ARM")])
 		}
 	}
 }