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[sys/info] Parse xnu kernel version

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This commit is contained in:
Jeroen van Rijn
2022-09-02 04:11:02 +02:00
parent 45691a4622
commit 1637de3ebb
1 changed files with 34 additions and 11 deletions
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core/sys/info/platform_darwin.odin
+34 -11
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@@ -3,10 +3,33 @@ package sysinfo
import sys "core:sys/darwin" import sys "core:sys/darwin"
import "core:intrinsics" import "core:intrinsics"
import "core:strconv"
import "core:strings"
import "core:fmt"
@(init, private) @(init, private)
init_os_version :: proc "c" () { init_os_version :: proc () {
os_version.platform = .MacOS os_version.platform = .MacOS
mib := []i32{CTL_KERN, KERN_OSRELEASE}
version_bits: [12]u8 // enough for 999.999.999\x00
ok := sysctl(mib, &version_bits)
if !ok {
return
}
triplet := strings.split(string(cstring(&version_bits[0])), ".", context.temp_allocator)
if len(triplet) == 3 {
major, major_ok := strconv.parse_int(triplet[0])
minor, minor_ok := strconv.parse_int(triplet[1])
patch, patch_ok := strconv.parse_int(triplet[2])
if major_ok && minor_ok && patch_ok {
os_version.major = major
os_version.minor = minor
os_version.patch = patch
}
}
} }
@(init) @(init)
@@ -14,7 +37,7 @@ init_ram :: proc() {
// Retrieve RAM info using `sysinfo` // Retrieve RAM info using `sysinfo`
mib := []i32{CTL_HW, HW_MEMSIZE} mib := []i32{CTL_HW, HW_MEMSIZE}
mem_size: i64 mem_size: u64
ok := sysctl(mib, &mem_size) ok := sysctl(mib, &mem_size)
ram.total_ram = int(mem_size) ram.total_ram = int(mem_size)
} }
@@ -35,24 +58,24 @@ sysctl :: proc(mib: []i32, val: ^$T) -> (ok: bool) {
// See sysctl.h for xnu/dwrwin for details // See sysctl.h for xnu/dwrwin for details
CTL_KERN :: 1 CTL_KERN :: 1
KERN_OSTYPE :: 1 /* string: system version */ KERN_OSTYPE :: 1 // Darwin
KERN_OSRELEASE :: 2 /* string: system release */ KERN_OSRELEASE :: 2 // 21.5.0 for 12.4 Monterey
KERN_OSREV :: 3 /* int: system revision */ KERN_OSREV :: 3 // i32: system revision
KERN_VERSION :: 4 /* string: compile time info */ 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
KERN_OSRELDATE :: 26 /* int: OS release date */ KERN_OSRELDATE :: 26 // i32: OS release date
KERN_OSVERSION :: 65 /* for build number i.e. 9A127 */ KERN_OSVERSION :: 65 // Build number, e.g. 21F79
CTL_VM :: 2 CTL_VM :: 2
CTL_VFS :: 3 CTL_VFS :: 3
CTL_NET :: 4 CTL_NET :: 4
CTL_DEBUG :: 5 CTL_DEBUG :: 5
CTL_HW :: 6 CTL_HW :: 6
HW_MACHINE :: 1 /* string: machine class */ HW_MACHINE :: 1 // x86_64
HW_MODEL :: 2 /* string: specific machine model */ HW_MODEL :: 2 // MacbookPro14,1
HW_NCPU :: 3 /* int: number of cpus */ HW_NCPU :: 3 /* int: number of cpus */
HW_BYTEORDER :: 4 /* int: machine byte order */ HW_BYTEORDER :: 4 /* int: machine byte order */
HW_MACHINE_ARCH :: 12 /* string: machine architecture */ HW_MACHINE_ARCH :: 12 /* string: machine architecture */
HW_VECTORUNIT :: 13 /* int: has HW vector unit? */ HW_VECTORUNIT :: 13 /* int: has HW vector unit? */
HW_MEMSIZE :: 24 /* uint64_t: physical ram size */ HW_MEMSIZE :: 24 // u64
HW_AVAILCPU :: 25 /* int: number of available CPUs */ HW_AVAILCPU :: 25 /* int: number of available CPUs */
CTL_MACHDEP :: 7 CTL_MACHDEP :: 7