mirror of
https://github.com/Ed94/Odin.git
synced 2026-07-16 16:01:26 -07:00
Jeroen van Rijn
84 lines
2.1 KiB
Odin
84 lines
2.1 KiB
Odin
// +build darwin
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package sysinfo
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import sys "core:sys/darwin"
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import "core:intrinsics"
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import "core:strconv"
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import "core:strings"
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import "core:fmt"
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@(init, private)
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init_os_version :: proc () {
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os_version.platform = .MacOS
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mib := []i32{CTL_KERN, KERN_OSRELEASE}
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version_bits: [12]u8 // enough for 999.999.999\x00
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ok := sysctl(mib, &version_bits)
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if !ok {
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return
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}
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triplet := strings.split(string(cstring(&version_bits[0])), ".", context.temp_allocator)
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if len(triplet) == 3 {
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major, major_ok := strconv.parse_int(triplet[0])
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minor, minor_ok := strconv.parse_int(triplet[1])
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patch, patch_ok := strconv.parse_int(triplet[2])
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if major_ok && minor_ok && patch_ok {
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os_version.major = major
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os_version.minor = minor
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os_version.patch = patch
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}
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}
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}
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@(init)
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init_ram :: proc() {
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// Retrieve RAM info using `sysinfo`
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mib := []i32{CTL_HW, HW_MEMSIZE}
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mem_size: u64
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ok := sysctl(mib, &mem_size)
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ram.total_ram = int(mem_size)
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}
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@(private)
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sysctl :: proc(mib: []i32, val: ^$T) -> (ok: bool) {
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mib := mib
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result_size := i64(size_of(T))
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res := intrinsics.syscall(
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sys.unix_offset_syscall(.sysctl),
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uintptr(raw_data(mib)), uintptr(len(mib)),
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uintptr(val), uintptr(&result_size),
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uintptr(0), uintptr(0),
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)
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return res == 0
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}
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// See sysctl.h for xnu/dwrwin for details
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CTL_KERN :: 1
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KERN_OSTYPE :: 1 // Darwin
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KERN_OSRELEASE :: 2 // 21.5.0 for 12.4 Monterey
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KERN_OSREV :: 3 // i32: system revision
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KERN_VERSION :: 4 // Darwin Kernel Version 21.5.0: Tue Apr 26 21:08:22 PDT 2022; root:xnu-8020.121.3~4/RELEASE_X86_64
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KERN_OSRELDATE :: 26 // i32: OS release date
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KERN_OSVERSION :: 65 // Build number, e.g. 21F79
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CTL_VM :: 2
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CTL_VFS :: 3
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CTL_NET :: 4
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CTL_DEBUG :: 5
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CTL_HW :: 6
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HW_MACHINE :: 1 // x86_64
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HW_MODEL :: 2 // MacbookPro14,1
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HW_NCPU :: 3 /* int: number of cpus */
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HW_BYTEORDER :: 4 /* int: machine byte order */
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HW_MACHINE_ARCH :: 12 /* string: machine architecture */
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HW_VECTORUNIT :: 13 /* int: has HW vector unit? */
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HW_MEMSIZE :: 24 // u64
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HW_AVAILCPU :: 25 /* int: number of available CPUs */
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CTL_MACHDEP :: 7
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CTL_USER :: 8
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