X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompiler%2Falpha%2Fparms.lisp;h=cb7da4698bc925ee02fbf32c04b3d67a142a8706;hb=02c9007b4ca5753406f60019f4fe5e5f8392541a;hp=4f056479b1803e9d09bf80585d808da7aef42197;hpb=5037c9ac22cbab91eb3cf1ee6261c8589e17e81d;p=sbcl.git diff --git a/src/compiler/alpha/parms.lisp b/src/compiler/alpha/parms.lisp index 4f05647..cb7da46 100644 --- a/src/compiler/alpha/parms.lisp +++ b/src/compiler/alpha/parms.lisp @@ -11,44 +11,44 @@ (eval-when (:compile-toplevel :load-toplevel :execute) -(defconstant n-word-bits 32 +(def!constant n-word-bits 32 #!+sb-doc "Number of bits per word where a word holds one lisp descriptor.") -(defconstant n-byte-bits 8 +(def!constant n-byte-bits 8 #!+sb-doc "Number of bits per byte where a byte is the smallest addressable object.") -(defconstant word-shift (1- (integer-length (/ n-word-bits n-byte-bits))) +(def!constant word-shift (1- (integer-length (/ n-word-bits n-byte-bits))) #!+sb-doc "Number of bits to shift between word addresses and byte addresses.") -(defconstant n-word-bytes (/ n-word-bits n-byte-bits) +(def!constant n-word-bytes (/ n-word-bits n-byte-bits) #!+sb-doc "Number of bytes in a word.") -(defconstant float-sign-shift 31) +(def!constant float-sign-shift 31) -(defconstant single-float-bias 126) +(def!constant single-float-bias 126) (defconstant-eqx single-float-exponent-byte (byte 8 23) #'equalp) (defconstant-eqx single-float-significand-byte (byte 23 0) #'equalp) -(defconstant single-float-normal-exponent-min 1) -(defconstant single-float-normal-exponent-max 254) -(defconstant single-float-hidden-bit (ash 1 23)) -(defconstant single-float-trapping-nan-bit (ash 1 22)) +(def!constant single-float-normal-exponent-min 1) +(def!constant single-float-normal-exponent-max 254) +(def!constant single-float-hidden-bit (ash 1 23)) +(def!constant single-float-trapping-nan-bit (ash 1 22)) -(defconstant double-float-bias 1022) +(def!constant double-float-bias 1022) (defconstant-eqx double-float-exponent-byte (byte 11 20) #'equalp) (defconstant-eqx double-float-significand-byte (byte 20 0) #'equalp) -(defconstant double-float-normal-exponent-min 1) -(defconstant double-float-normal-exponent-max #x7FE) -(defconstant double-float-hidden-bit (ash 1 20)) -(defconstant double-float-trapping-nan-bit (ash 1 19)) +(def!constant double-float-normal-exponent-min 1) +(def!constant double-float-normal-exponent-max #x7FE) +(def!constant double-float-hidden-bit (ash 1 20)) +(def!constant double-float-trapping-nan-bit (ash 1 19)) -(defconstant single-float-digits +(def!constant single-float-digits (+ (byte-size single-float-significand-byte) 1)) -(defconstant double-float-digits +(def!constant double-float-digits (+ (byte-size double-float-significand-byte) n-word-bits 1)) ;;; These values are originally from the DEC Assembly Language @@ -77,11 +77,11 @@ ;;; ;;; trap enables are set in software (fp_control) -(defconstant float-inexact-trap-bit (ash 1 4)) ; rw -(defconstant float-underflow-trap-bit (ash 1 3)) ; rw -(defconstant float-overflow-trap-bit (ash 1 2)) ; ro -(defconstant float-divide-by-zero-trap-bit (ash 1 1)) ; ro -(defconstant float-invalid-trap-bit (ash 1 0)) ; ro +(def!constant float-inexact-trap-bit (ash 1 4)) ; rw +(def!constant float-underflow-trap-bit (ash 1 3)) ; rw +(def!constant float-overflow-trap-bit (ash 1 2)) ; ro +(def!constant float-divide-by-zero-trap-bit (ash 1 1)) ; ro +(def!constant float-invalid-trap-bit (ash 1 0)) ; ro (defconstant-eqx float-traps-byte (byte 6 1) #'equalp) ;;; exceptions are also read/written in software (by syscalls, no less). @@ -94,15 +94,15 @@ (defconstant-eqx float-exceptions-byte (byte 6 17) #'equalp) ;;; Rounding modes can only be set by frobbing the hardware fpcr directly -(defconstant float-round-to-zero 0) -(defconstant float-round-to-negative 1) -(defconstant float-round-to-nearest 2) -(defconstant float-round-to-positive 3) +(def!constant float-round-to-zero 0) +(def!constant float-round-to-negative 1) +(def!constant float-round-to-nearest 2) +(def!constant float-round-to-positive 3) (defconstant-eqx float-rounding-mode (byte 2 58) #'equalp) ;;; Miscellaneous stuff - I think it's far to say that you deserve ;;; what you get if you ask for fast mode. -(defconstant float-fast-bit 0) +(def!constant float-fast-bit 0) ); eval-when @@ -115,45 +115,38 @@ #!+linux (progn - (defconstant read-only-space-start #x20000000) - (defconstant read-only-space-end #x24000000) + (def!constant read-only-space-start #x20000000) + (def!constant read-only-space-end #x24000000)) - (defconstant static-space-start #x28000000) - (defconstant static-space-end #x2c000000) - - ;; this is used in PURIFY as part of a sloppy check to see if a pointer - ;; is in dynamic space. Chocolate brownie for the first person to fix it - ;; -dan 20010502 - (defconstant dynamic-space-start #x30000000) - (defconstant dynamic-space-end #x38000000) +#!+osf1 +(progn + (defconstant read-only-space-start #x10000000) + (defconstant read-only-space-end #x25000000)) - (defconstant dynamic-0-space-start #x30000000) - (defconstant dynamic-0-space-end #x38000000) - - (defconstant dynamic-1-space-start #x40000000) - (defconstant dynamic-1-space-end #x48000000) - (defconstant control-stack-start #x50000000) - (defconstant control-stack-end #x51000000) +(def!constant static-space-start #x28000000) +(def!constant static-space-end #x2c000000) - (defconstant binding-stack-start #x70000000) - (defconstant binding-stack-end #x71000000)) +;; this is used in PURIFY as part of a sloppy check to see if a pointer +;; is in dynamic space. Chocolate brownie for the first person to fix it +;; -dan 20010502 +(def!constant dynamic-space-start #x30000000) +(def!constant dynamic-space-end #x3fff0000) -#!+osf1 ;as if -(progn - (defparameter read-only-space-start #x10000000) - (defparameter static-space-start #x28000000) - (defparameter dynamic-space-start #x30000000)) +(def!constant dynamic-0-space-start #x30000000) +(def!constant dynamic-0-space-end #x3fff0000) +(def!constant dynamic-1-space-start #x40000000) +(def!constant dynamic-1-space-end #x4fff0000) ;;; FIXME nothing refers to either of these in alpha or x86 cmucl ;;; backend, so they could probably be removed. ;; The space-register holding the lisp heap. -(defconstant lisp-heap-space 4) +(def!constant lisp-heap-space 4) ;; The space-register holding the C text segment. -(defconstant c-text-space 4) +(def!constant c-text-space 4) ;;; the X86 port defines *nil-value* as (+ *target-static-space-start* #xB) ;;; here, but it seems to be the only port that needs to know the @@ -191,17 +184,15 @@ ;; The C startup code must fill these in. *posix-argv* - ;;lisp::lisp-environment-list - ;;lisp::lisp-command-line-list - sb!impl::*!initial-fdefn-objects* - ;; Functions that the C code needs to call - maybe-gc + ;; functions that the C code needs to call + sub-gc sb!kernel::internal-error + sb!kernel::control-stack-exhausted-error sb!di::handle-breakpoint sb!di::handle-fun-end-breakpoint - ;; free Pointers + ;; free pointers *read-only-space-free-pointer* *static-space-free-pointer* *initial-dynamic-space-free-pointer* @@ -210,6 +201,10 @@ *current-catch-block* *current-unwind-protect-block* + *binding-stack-start* + *control-stack-start* + *control-stack-end* + ;; interrupt handling *free-interrupt-context-index* sb!unix::*interrupts-enabled*