src/compiler/ppc/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
  18 \f
  19 ;;; Do whatever is necessary to make the given code component executable.
  20 ;;; On the 601, we have less to do than on some other PowerPC chips.
  21 ;;; This should be what needs to be done in the general case.
  22 (defun sanctify-for-execution (component)
  23   (without-gcing
  24     (alien-funcall (extern-alien "ppc_flush_icache"
  25                                  (function void
  26                                            system-area-pointer
  27                                            unsigned-long))
  28                    (code-instructions component)
  29                    (* (code-header-ref component code-code-size-slot)
  30                       n-word-bytes)))
  31   nil)
  32
  33