[sys/info] Initial version.

core/sys/info/platform_darwin.odin

@@ -0,0 +1,33 @@
+// +build darwin
+package sysinfo
+
+import sys "core:sys/darwin"
+import "core:intrinsics"
+
+@(init, private)
+init_os_version :: proc "c" () {
+	os_version = {}
+}
+
+@(init)
+init_ram :: proc() {
+	// Retrieve RAM info using `sysinfo`
+
+	CTL_HW     :: 6
+	HW_MEMSIZE :: 24
+
+	sysctls := []int{CTL_HW, HW_MEMSIZE}
+
+	mem_size: i64
+
+	if intrinsics.syscall(
+		uintptr(sys.System_Call_Number.sysctl),
+		uintptr(raw_data(sysctls)), uintptr(len(sysctls)),
+		uintptr(&mem_size), uintptr(size_of(mem_size))) == 0 {
+		return
+	}
+	ram.total_ram = int(mem_size)
+}
+
+@(private)
+sysctl :: proc(leaf: int)