75 lines
2.2 KiB
NASM
75 lines
2.2 KiB
NASM
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Microsoft Research Singularity
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;;;
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;;; Copyright (c) Microsoft Corporation. All rights reserved.
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;;;
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;;; This file contains ARM-specific assembly code.
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;;;
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; Assembler source for FPA support code and emulator
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; ==================================================
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; Definitions relating to the ARM. Also used by "fplib".
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;
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; Copyright (C) Advanced RISC Machines Limited, 1992-7. All rights reserved.
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;
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; RCS Revision: 1
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; Checkin Date: 2007/06/29 02:59:16
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; Revising Author
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;===========================================================================
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; PSR fields.
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Flags_mask EQU &F0000000
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N_bit EQU &80000000
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Z_bit EQU &40000000
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C_bit EQU &20000000
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V_bit EQU &10000000
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[ {CONFIG}=26
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IntMasks_mask EQU &0C000000
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I_bit EQU &08000000
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F_bit EQU &04000000
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Mode_mask EQU &00000003
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PSR_mask EQU Flags_mask:OR:IntMasks_mask:OR:Mode_mask
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]
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[ {CONFIG}=32
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IntMasks_mask EQU &000000C0
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I_bit EQU &00000080
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F_bit EQU &00000040
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Mode_mask EQU &0000001F
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Mode_32not26 EQU &00000010
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Mode_USR32 EQU &00000010
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Mode_FIQ32 EQU &00000011
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Mode_IRQ32 EQU &00000012
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Mode_SVC32 EQU &00000013
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Mode_ABT32 EQU &00000017
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Mode_UND32 EQU &0000001B
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Mode_SYS32 EQU &0000001F
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]
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Mode_USR26 EQU &00000000
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Mode_FIQ26 EQU &00000001
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Mode_IRQ26 EQU &00000002
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Mode_SVC26 EQU &00000003
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; The ARM vectors.
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Reset_vector EQU &00
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Undef_vector EQU &04
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SWI_vector EQU &08
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Prefetch_vector EQU &0C
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Data_vector EQU &10
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[ {CONFIG}=26
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AdrExc_vector EQU &14
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]
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IRQ_vector EQU &18
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FIQ_vector EQU &1C
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; Other ARM constants.
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TopBit EQU &80000000
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;===========================================================================
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END
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