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sys/info: retrieve better CPU description on Darwin

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Previously either `ARM` or `ARM64`, now you get something like `Apple
M1`
This commit is contained in:
Laytan Laats
2024-04-29 23:44:48 +02:00
parent 8660718ebe
commit d40c207fde
2 changed files with 41 additions and 13 deletions
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core/sys/info/cpu_arm.odin
+21 -6
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@@ -1,6 +1,10 @@
//+build arm32, arm64
package sysinfo
import "core:sys/unix"
_ :: unix
CPU_Feature :: enum u64 {
// Advanced SIMD & floating-point capabilities:
asimd, // General support for Advanced SIMD instructions/neon.
@@ -45,11 +49,22 @@ cpu_name_buf: [128]byte
@(init, private)
init_cpu_name :: proc "contextless" () {
when ODIN_ARCH == .arm64 {
copy(cpu_name_buf[:], "ARM64")
cpu_name = string(cpu_name_buf[:len("ARM64")])
} else {
copy(cpu_name_buf[:], "ARM")
cpu_name = string(cpu_name_buf[:len("ARM")])
generic := true
when ODIN_OS == .Darwin {
if unix.sysctlbyname("machdep.cpu.brand_string", &cpu_name_buf) {
cpu_name = string(cstring(rawptr(&cpu_name_buf)))
generic = false
}
}
if generic {
when ODIN_ARCH == .arm64 {
copy(cpu_name_buf[:], "ARM64")
cpu_name = string(cpu_name_buf[:len("ARM64")])
} else {
copy(cpu_name_buf[:], "ARM")
cpu_name = string(cpu_name_buf[:len("ARM")])
}
}
}