src/compiler/sparc/sanctify.lisp

   1 ;;;; Do whatever is necessary to make the given code component
   2 ;;;; executable.
   3
   4 ;;;; This software is part of the SBCL system. See the README file for
   5 ;;;; more information.
   6 ;;;;
   7 ;;;; While most of SBCL is derived from the CMU CL system, the test
   8 ;;;; files (like this one) were written from scratch after the fork
   9 ;;;; from CMU CL.
  10 ;;;;
  11 ;;;; This software is in the public domain and is provided with
  12 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  13 ;;;; more information.
  14
  15 (in-package "SB!VM")
  16
  17 ;;; The comments in some of the cmucl source read that "the i and d
  18 ;;; caches are unified, and so there is no need to flush them."
  19 ;;;
  20 ;;; Other bits of the cmucl source say that this is not true for
  21 ;;; "newer machines, such as the SuperSPARC and MicroSPARC based
  22 ;;; ones". Welcome to the 21st century... -- CSR, 2002-05-06
  23 (defun sanctify-for-execution (component)
  24   (without-gcing
  25    (alien-funcall (extern-alien "os_flush_icache"
  26                                 (function void
  27                                           system-area-pointer
  28                                           unsigned-long))
  29                   (code-instructions component)
  30                   (* (code-header-ref component code-code-size-slot)
  31                      n-word-bytes)))
  32   nil)