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02/02: guix: cpu: Add detection for aarch64 CPUs.
From: |
guix-commits |
Subject: |
02/02: guix: cpu: Add detection for aarch64 CPUs. |
Date: |
Tue, 17 May 2022 08:28:07 -0400 (EDT) |
efraim pushed a commit to branch master
in repository guix.
commit fd00ac7e27c8a6d4b4d4719b4f8797bdce204623
Author: Efraim Flashner <efraim@flashner.co.il>
AuthorDate: Tue May 17 15:12:20 2022 +0300
guix: cpu: Add detection for aarch64 CPUs.
* guix/cpu.scm (cpu->gcc-architecture): Add detection logic for aarch64
CPUs.
---
guix/cpu.scm | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 52 insertions(+), 1 deletion(-)
diff --git a/guix/cpu.scm b/guix/cpu.scm
index be516bd568..83e7dc615c 100644
--- a/guix/cpu.scm
+++ b/guix/cpu.scm
@@ -211,6 +211,57 @@ corresponds to CPU, a record as returned by 'current-cpu'."
;; TODO: Recognize CENTAUR/CYRIX/NSC?
"x86_64"))
+ ("aarch64"
+ ;; Transcribed from GCC's list of aarch64 processors in aarch64-cores.def
+ ;; What to do with big.LITTLE cores?
+ (match (cpu-vendor cpu)
+ ("0x41"
+ (match (cpu-model cpu)
+ ((or #xd02 #xd04 #xd03 #xd07 #xd08 #xd09)
+ "armv8-a")
+ ((or #xd05 #xd0a #xd0b #xd0e #xd0d #xd41 #xd42 #xd4b #xd46 #xd43
#xd44 #xd41 #xd0c #xd4a)
+ "armv8.2-a")
+ (#xd40
+ "armv8.4-a")
+ (#xd15
+ "armv8-r")
+ ((or #xd46 #xd47 #xd48 #xd49 #xd4f)
+ "armv9-a")))
+ ("0x42"
+ "armv8.1-a")
+ ("0x43"
+ (match (cpu-model cpu)
+ ((or #x0a0 #x0a1 #x0a2 #x0a3)
+ "armv8-a")
+ (#x0af
+ "armv8.1-a")
+ ((or #x0b0 #x0b1 #x0b2 #x0b3 #x0b4 #x0b5)
+ "armv8.2-a")
+ (#x0b8
+ "armv8.3-a")))
+ ("0x46"
+ "armv8.2-a")
+ ("0x48"
+ "armv8.2-a")
+ ("0x50"
+ "armv8-a")
+ ("0x51"
+ (match (cpu-model cpu)
+ (#xC00
+ "armv8-a")
+ (#x516
+ "armv8.1-a")
+ (#xC01
+ "armv8.4-a")))
+ ("0x53"
+ "armv8-a")
+ ("0x68"
+ "armv8-a")
+ ("0xC0"
+ "armv8.6-a")
+ (_
+ "armv8-a"))
+ "armv8-a")
(architecture
- ;; TODO: AArch64.
+ ;; TODO: More architectures
architecture)))