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• Linear-memory

Wml80

Signature

(wml80 lin-addr val x86) → (mv * x86)

Definitions and Theorems

Theorem: wb-and-wvm80

(defthm wb-and-wvm80
  (implies (and (app-view x86)
                (canonical-address-p lin-addr)
                (canonical-address-p (+ 9 lin-addr)))
           (equal (wvm80 lin-addr val x86)
                  (wb 10 lin-addr :w val x86))))

Function: wml80

(defun wml80 (lin-addr val x86)
 (declare (xargs :stobjs (x86)))
 (declare (type (signed-byte 48) lin-addr)
          (type (unsigned-byte 80) val))
 (declare (xargs :guard (canonical-address-p lin-addr)))
 (let ((__function__ 'wml80))
  (declare (ignorable __function__))
  (if
   (mbt (canonical-address-p lin-addr))
   (let* ((9+lin-addr (the (signed-byte 49)
                           (+ 9 (the (signed-byte 48) lin-addr)))))
    (if
     (mbe :logic (canonical-address-p 9+lin-addr)
          :exec (< (the (signed-byte 49) 9+lin-addr)
                   140737488355328))
     (mbe
        :logic (wb 10 lin-addr :w val x86)
        :exec
        (if (app-view x86)
            (wvm80 lin-addr val x86)
          (b* (((mv flag (the (unsigned-byte 52) p-addr0)
                    x86)
                (la-to-pa lin-addr :w x86))
               ((when flag) (mv flag x86))
               ((the (signed-byte 49) 1+lin-addr)
                (+ 1 lin-addr))
               ((mv flag (the (unsigned-byte 52) p-addr1)
                    x86)
                (la-to-pa 1+lin-addr :w x86))
               ((when flag) (mv flag x86))
               ((the (signed-byte 50) 2+lin-addr)
                (+ 2 lin-addr))
               ((mv flag (the (unsigned-byte 52) p-addr2)
                    x86)
                (la-to-pa 2+lin-addr :w x86))
               ((when flag) (mv flag x86))
               ((the (signed-byte 51) 3+lin-addr)
                (+ 3 lin-addr))
               ((mv flag (the (unsigned-byte 52) p-addr3)
                    x86)
                (la-to-pa 3+lin-addr :w x86))
               ((when flag) (mv flag x86))
               ((the (signed-byte 52) 4+lin-addr)
                (+ 4 lin-addr))
               ((mv flag (the (unsigned-byte 52) p-addr4)
                    x86)
                (la-to-pa 4+lin-addr :w x86))
               ((when flag) (mv flag x86))
               ((the (signed-byte 53) 5+lin-addr)
                (+ 5 lin-addr))
               ((mv flag (the (unsigned-byte 52) p-addr5)
                    x86)
                (la-to-pa 5+lin-addr :w x86))
               ((when flag) (mv flag x86))
               ((the (signed-byte 54) 6+lin-addr)
                (+ 6 lin-addr))
               ((mv flag (the (unsigned-byte 52) p-addr6)
                    x86)
                (la-to-pa 6+lin-addr :w x86))
               ((when flag) (mv flag x86))
               ((the (signed-byte 55) 7+lin-addr)
                (+ 7 lin-addr))
               ((mv flag (the (unsigned-byte 52) p-addr7)
                    x86)
                (la-to-pa 7+lin-addr :w x86))
               ((when flag) (mv flag x86))
               ((the (signed-byte 56) 8+lin-addr)
                (+ 8 lin-addr))
               ((mv flag (the (unsigned-byte 52) p-addr8)
                    x86)
                (la-to-pa 8+lin-addr :w x86))
               ((when flag) (mv flag x86))
               ((the (signed-byte 57) 9+lin-addr)
                (+ 9 lin-addr))
               ((mv flag (the (unsigned-byte 52) p-addr9)
                    x86)
                (la-to-pa 9+lin-addr :w x86))
               ((when flag) (mv flag x86))
               (byte0 (mbe :logic (part-select val :low 0 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 val))))
               (byte1 (mbe :logic (part-select val :low 8 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 (ash val -8)))))
               (byte2 (mbe :logic (part-select val :low 16 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 (ash val -16)))))
               (byte3 (mbe :logic (part-select val :low 24 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 (ash val -24)))))
               (byte4 (mbe :logic (part-select val :low 32 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 (ash val -32)))))
               (byte5 (mbe :logic (part-select val :low 40 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 (ash val -40)))))
               (byte6 (mbe :logic (part-select val :low 48 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 (ash val -48)))))
               (byte7 (mbe :logic (part-select val :low 56 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 (ash val -56)))))
               (byte8 (mbe :logic (part-select val :low 64 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 (ash val -64)))))
               (byte9 (mbe :logic (part-select val :low 72 :width 8)
                           :exec (the (unsigned-byte 8)
                                      (logand 255 (ash val -72)))))
               (x86 (!memi p-addr0 byte0 x86))
               (x86 (!memi p-addr1 byte1 x86))
               (x86 (!memi p-addr2 byte2 x86))
               (x86 (!memi p-addr3 byte3 x86))
               (x86 (!memi p-addr4 byte4 x86))
               (x86 (!memi p-addr5 byte5 x86))
               (x86 (!memi p-addr6 byte6 x86))
               (x86 (!memi p-addr7 byte7 x86))
               (x86 (!memi p-addr8 byte8 x86))
               (x86 (!memi p-addr9 byte9 x86)))
            (mv nil x86))))
     (mv 'wml80 x86)))
   (mv 'wml80 x86))))

Theorem: x86p-wml80

(defthm x86p-wml80
  (implies (force (x86p x86))
           (x86p (mv-nth 1 (wml80 lin-addr val x86))))
  :rule-classes (:rewrite :type-prescription))