X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fx86-vm.lisp;h=d49f487cbc3c332d078c4d24dad0fa83b5e4c22b;hb=15d6e7c9a2c3234f95dfe278046fa2fee1b0c007;hp=203b2bb7dce50030db2ff89852f120dc8814c705;hpb=05525d3a5906d7a89fcb689c26177732493c40ce;p=sbcl.git

diff --git a/src/code/x86-vm.lisp b/src/code/x86-vm.lisp
index 203b2bb..d49f487 100644
--- a/src/code/x86-vm.lisp
+++ b/src/code/x86-vm.lisp
@@ -41,10 +41,25 @@
   "Return a string describing the type of the local machine."
   "X86")
 
-(defun machine-version ()
-  #!+sb-doc
-  "Return a string describing the version of the local machine."
-  "X86")
+;;; arch-specific support for CL:MACHINE-VERSION, defined OAOO elsewhere
+(defun get-machine-version ()
+  #!+linux
+  (with-open-file (stream "/proc/cpuinfo"
+			  ;; Even on Linux it's an option to build
+			  ;; kernels without /proc filesystems, so
+			  ;; degrade gracefully.
+			  :if-does-not-exist nil)
+    (loop with line while (setf line (read-line stream nil))
+	  ;; The field "model name" exists on kernel 2.4.21-rc6-ac1
+	  ;; anyway, with values e.g.
+	  ;;   "AMD Athlon(TM) XP 2000+"
+	  ;;   "Intel(R) Pentium(R) M processor 1300MHz"
+	  ;; which seem comparable to the information in the example
+	  ;; in the MACHINE-VERSION page of the ANSI spec.
+          when (eql (search "model name" line) 0)
+          return (string-trim " " (subseq line (1+ (position #\: line))))))
+  #!-linux
+  nil)
 
 ;;;; :CODE-OBJECT fixups
 
@@ -54,8 +69,7 @@
 
 (declaim (inline adjust-fixup-array))
 (defun adjust-fixup-array (array size)
-  (let ((length (length array))
-        (new (make-array size :element-type '(unsigned-byte 32))))
+  (let ((new (make-array size :element-type '(unsigned-byte 32))))
     (replace new array)
     new))