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• Physical-memory

Wm-low-64

Signature

(wm-low-64 addr val x86) → x86

Definitions and Theorems

Function: wm-low-64

(defun wm-low-64 (addr val x86)
  (declare (xargs :stobjs (x86)))
  (declare (type (unsigned-byte 52) addr)
           (type (unsigned-byte 64) val))
  (declare (xargs :guard (and (not (app-view x86))
                              (< (+ 7 addr) *mem-size-in-bytes*))))
  (let ((__function__ 'wm-low-64))
    (declare (ignorable __function__))
    (if (mbt (not (app-view x86)))
        (b* ((addr (mbe :logic (ifix addr) :exec addr))
             (dword0 (mbe :logic (part-select val :low 0 :width 32)
                          :exec (logand 4294967295 val)))
             (dword1 (mbe :logic (part-select val :low 32 :width 32)
                          :exec (logand 4294967295 (ash val -32))))
             (x86 (wm-low-32 addr dword0 x86))
             (x86 (wm-low-32 (+ 4 addr) dword1 x86)))
          x86)
      x86)))

Theorem: x86p-wm-low-64

(defthm x86p-wm-low-64
  (implies (x86p x86)
           (x86p (wm-low-64 addr val x86)))
  :rule-classes (:rewrite :type-prescription))

Theorem: xr-wm-low-64

(defthm xr-wm-low-64
  (implies (not (equal fld :mem))
           (equal (xr fld index (wm-low-64 addr val x86))
                  (xr fld index x86))))

Theorem: wm-low-64-xw

(defthm wm-low-64-xw
  (implies (and (not (equal fld :mem))
                (not (equal fld :app-view)))
           (equal (wm-low-64 addr val (xw fld index value x86))
                  (xw fld
                      index value (wm-low-64 addr val x86)))))