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#ifndef __ARM_CPU_H__
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#define __ARM_CPU_H__
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//==========================================================================
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//
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// cpu.h
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//
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// ARM specific processor defines
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):
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// Contributors: gthomas
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// Date: 1999-10-20
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// Purpose: ARM specific processor defines
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// Description: ARM is a Registered Trademark of Advanced RISC Machines
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// Limited.
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// Other Brands and Trademarks are the property of their
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// respective owners.
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//
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//####DESCRIPTIONEND####
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//
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//=========================================================================
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#include <bsp/bsp.h>
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#include <bsp/defs.h>
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#ifdef __ECOS__
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#include <cyg/hal/hal_arch.h>
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#endif
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/*
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* Only define __NEED_UNDERSCORE__ for arm-coff targets
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*/
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#if !defined(__ELF__)
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# define __NEED_UNDERSCORE__
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#endif
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/*
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* Macros to glue together two tokens.
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*/
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# ifdef __STDC__
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# define XGLUE(a,b) a##b
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# else
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# define XGLUE(a,b) a/**/b
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# endif
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# define GLUE(a,b) XGLUE(a,b)
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/*
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* Symbol Names with leading underscore if necessary
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*/
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# ifdef __NEED_UNDERSCORE__
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# define SYM_NAME(name) GLUE(_,name)
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# else
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# define SYM_NAME(name) name
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# endif /* __NEED_UNDERSCORE__ */
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/*
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* Various macros to better handle assembler/object format differences
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*/
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#if defined(__ASSEMBLER__)
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/*
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* Assembly function start definition
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*/
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#ifdef __NEED_UNDERSCORE__
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.macro FUNC_START name
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.global _\name
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.align 4
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_\name:
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.endm
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#else
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.macro FUNC_START name
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.global \name
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.align 4
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\name:
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.endm
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#endif
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/*
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* Assembly function end definition
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*/
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#ifdef __NEED_UNDERSCORE__
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.macro FUNC_END name
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.endm
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#else
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.macro FUNC_END name
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.endm
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#endif
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/*
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* Register Prefix
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*/
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# ifndef __REGISTER_PREFIX__
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# define __REGISTER_PREFIX__
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# endif /* __REGISTER_PREFIX__ */
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/*
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* Immediate Prefix
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*/
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# ifndef __IMM_PREFIX__
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# define __IMM_PREFIX__ #
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# endif /* __IMM_PREFIX__ */
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/*
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* use the right prefix for registers.
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*/
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# define REG(x) GLUE(__REGISTER_PREFIX__,x)
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/*
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* use the right prefix for immediate values.
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*/
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# define IMM(x) GLUE(__IMM_PREFIX__,x)
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#endif /* defined(__ASSEMBLER__) */
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/*
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* Setup register defines and such
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*/
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#if defined(__ASSEMBLER__)
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# define r0 REG (r0)
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# define r1 REG (r1)
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# define r2 REG (r2)
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# define r3 REG (r3)
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# define r4 REG (r4)
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# define r5 REG (r5)
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# define r6 REG (r6)
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# define r7 REG (r7)
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# define r8 REG (r8)
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# define r9 REG (r9)
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# define r10 REG (r10)
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# define r11 REG (r11)
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# define r12 REG (r12)
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# define r13 REG (r13)
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# define sp REG (sp)
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# define r14 REG (r14)
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# define lr REG (lr)
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# define pc REG (pc)
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# define f0 REG (f0)
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# define f1 REG (f1)
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# define f2 REG (f2)
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# define f3 REG (f3)
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# define f4 REG (f4)
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# define f5 REG (f5)
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# define f6 REG (f6)
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# define f7 REG (f7)
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# define fps REG (fps)
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# define cpsr REG (cpsr)
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# define spsr REG (spsr)
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/*
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* Register offset definitions
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* These numbers are offsets into the ex_regs_t struct.
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*/
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# define r0_o 0
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# define r1_o 4
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# define r2_o 8
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# define r3_o 12
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# define r4_o 16
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# define r5_o 20
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# define r6_o 24
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# define r7_o 28
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# define r8_o 32
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# define r9_o 36
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# define r10_o 40
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# define r11_o 44
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# define r12_o 48
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# define r13_o 52
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# define sp_o r13_o
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# define r14_o 56
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# define lr_o r14_o
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# define pc_o 60
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# define f0_o 64
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# define f1_o 76
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# define f2_o 88
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# define f3_o 100
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# define f4_o 112
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# define f5_o 124
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# define f6_o 136
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# define f7_o 148
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# define fps_o 160
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# define cpsr_o 164
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# define spsvc_o 168
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# define ARM_EX_REGS_T_SIZE 172
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#else /* !defined(__ASSEMBLER__) */
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/*
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* Register name that is used in help strings and such
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*/
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# define REGNAME_EXAMPLE "r0"
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/*
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* Register numbers. These are assumed to match the
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* register numbers used by GDB.
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*/
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enum __regnames {
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REG_R0,
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REG_R1,
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REG_R2,
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REG_R3,
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REG_R4,
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REG_R5,
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REG_R6,
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REG_R7,
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REG_R8,
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REG_R9,
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REG_R10,
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REG_R11,
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REG_R12,
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REG_R13,
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REG_SP=REG_R13,
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REG_R14,
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REG_LR=REG_R14,
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REG_PC,
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REG_F0,
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REG_F1,
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REG_F2,
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REG_F3,
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REG_F4,
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REG_F5,
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REG_F6,
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REG_F7,
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REG_FPS,
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REG_CPSR,
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REG_SPSVC,
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REG_MAX=REG_SPSVC
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};
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/*
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* 12-byte struct for storing Floating point registers
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*/
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typedef struct
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{
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unsigned long high;
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unsigned long middle;
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unsigned long low;
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} fp_reg;
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/*
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* How registers are stored for exceptions.
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*/
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#ifdef __ECOS__
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#define ex_regs_t HAL_SavedRegisters
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#define _r0 d[0]
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#define _r1 d[1]
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#define _r2 d[2]
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#define _r3 d[3]
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#define _r4 d[4]
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#define _r5 d[5]
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#define _r6 d[6]
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#define _r7 d[7]
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#define _r8 d[8]
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#define _r9 d[9]
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#define _r10 d[10]
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#define _r11 fp
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#define _r12 ip
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#define _r13 sp
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#define _r14 lr
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#define _pc pc
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#define _cpsr cpsr
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#define _spsvc msr
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#else
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typedef struct
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{
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unsigned long _r0;
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unsigned long _r1;
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unsigned long _r2;
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unsigned long _r3;
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unsigned long _r4;
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313 |
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unsigned long _r5;
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unsigned long _r6;
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315 |
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unsigned long _r7;
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316 |
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unsigned long _r8;
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317 |
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unsigned long _r9;
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318 |
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unsigned long _r10;
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319 |
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unsigned long _r11;
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320 |
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unsigned long _r12;
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321 |
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unsigned long _r13;
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322 |
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unsigned long _r14;
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323 |
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unsigned long _pc;
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324 |
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325 |
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fp_reg _f0;
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fp_reg _f1;
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fp_reg _f2;
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fp_reg _f3;
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329 |
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fp_reg _f4;
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fp_reg _f5;
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fp_reg _f6;
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332 |
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fp_reg _f7;
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333 |
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unsigned long _fps;
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334 |
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unsigned long _cpsr;
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335 |
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336 |
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unsigned long _spsvc; /* saved svc mode sp */
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337 |
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|
338 |
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} ex_regs_t;
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339 |
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#endif
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340 |
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# define _sp _r13
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341 |
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# define _lr _r14
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342 |
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|
343 |
|
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extern void __icache_flush(void *addr, int nbytes);
|
344 |
|
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extern void __dcache_flush(void *addr, int nbytes);
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345 |
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346 |
|
|
#endif /* __ASSEMBLER__ */
|
347 |
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|
348 |
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|
349 |
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/*
|
350 |
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* Program Status Register Definitions
|
351 |
|
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*/
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352 |
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#if defined(__ASSEMBLER__)
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353 |
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# define ARM_PSR_NEGATIVE 0x80000000 /* Negative Bit */
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354 |
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# define ARM_PSR_ZERO 0x40000000 /* Zero Bit */
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355 |
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# define ARM_PSR_CARRY 0x20000000 /* Carry Bit */
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356 |
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# define ARM_PSR_OVERFLOW 0x10000000 /* Overflow Bit */
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357 |
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# define ARM_PSR_IRQ 0x00000080 /* IRQ Bit */
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358 |
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# define ARM_PSR_FIQ 0x00000040 /* FIQ Bit */
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359 |
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# define ARM_PSR_THUMB_STATE 0x00000020 /* Thumb/ARM(R) Execution */
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360 |
|
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# define ARM_PSR_MODE_MASK 0x0000001F /* ARM(R) Processor Mode Mask */
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361 |
|
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#else /* ! defined(__ASSEMBLER__) */
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362 |
|
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struct psr_struct {
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363 |
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unsigned mode : 5;
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364 |
|
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unsigned t_bit : 1;
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365 |
|
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unsigned f_bit : 1;
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366 |
|
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unsigned i_bit : 1;
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367 |
|
|
unsigned rsv1 : 20; /* == 0x00000 */
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368 |
|
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unsigned v_bit : 1;
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369 |
|
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unsigned c_bit : 1;
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370 |
|
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unsigned z_bit : 1;
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371 |
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unsigned n_bit : 1;
|
372 |
|
|
};
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373 |
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374 |
|
|
union arm_psr {
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375 |
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|
unsigned long word;
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376 |
|
|
struct psr_struct psr;
|
377 |
|
|
};
|
378 |
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|
#endif /* __ASSEMBLER__ */
|
379 |
|
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|
380 |
|
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/*
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381 |
|
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* PSR Mode values
|
382 |
|
|
*/
|
383 |
|
|
#define ARM_PSR_MODE_USER 0x00000010 /* User mode */
|
384 |
|
|
#define ARM_PSR_MODE_FIQ 0x00000011 /* FIQ mode */
|
385 |
|
|
#define ARM_PSR_MODE_IRQ 0x00000012 /* IRQ mode */
|
386 |
|
|
#define ARM_PSR_MODE_SVC 0x00000013 /* SVC mode */
|
387 |
|
|
#define ARM_PSR_MODE_ABORT 0x00000017 /* ABORT mode */
|
388 |
|
|
#define ARM_PSR_MODE_UNDEF 0x0000001B /* UNDEF mode */
|
389 |
|
|
#define ARM_PSR_MODE_SYSTEM 0x0000001F /* System Mode */
|
390 |
|
|
#define ARM_PSR_NUM_MODES 7
|
391 |
|
|
|
392 |
|
|
/*
|
393 |
|
|
* Core Exception vectors.
|
394 |
|
|
*/
|
395 |
|
|
#define BSP_CORE_EXC_RESET 0
|
396 |
|
|
#define BSP_CORE_EXC_UNDEFINED_INSTRUCTION 1
|
397 |
|
|
#define BSP_CORE_EXC_SOFTWARE_INTERRUPT 2
|
398 |
|
|
#define BSP_CORE_EXC_PREFETCH_ABORT 3
|
399 |
|
|
#define BSP_CORE_EXC_DATA_ABORT 4
|
400 |
|
|
#define BSP_CORE_EXC_ADDRESS_ERROR_26_BIT 5
|
401 |
|
|
#define BSP_CORE_EXC_IRQ 6
|
402 |
|
|
#define BSP_CORE_EXC_FIQ 7
|
403 |
|
|
#define BSP_MAX_EXCEPTIONS 8
|
404 |
|
|
#define BSP_CORE_EXC(vec_num) (unsigned long*)(vec_num << 2)
|
405 |
|
|
|
406 |
|
|
#define BREAKPOINT_INSN 0xE7FFDEFE /* Illegal inst opcode */
|
407 |
|
|
#define SYSCALL_SWI 0x00180001
|
408 |
|
|
|
409 |
|
|
#if defined(__ASSEMBLER__)
|
410 |
|
|
.macro BREAKPOINT
|
411 |
|
|
.word BREAKPOINT_INSN
|
412 |
|
|
.endm
|
413 |
|
|
.macro SYSCALL
|
414 |
|
|
swi IMM(SYSCALL_SWI)
|
415 |
|
|
.endm
|
416 |
|
|
.macro __CLI
|
417 |
|
|
stmfd sp!, {r0}
|
418 |
|
|
mrs r0, cpsr
|
419 |
|
|
bic r0, r0, IMM(ARM_PSR_IRQ | ARM_PSR_FIQ)
|
420 |
|
|
msr cpsr, r0
|
421 |
|
|
ldmfd sp!, {r0}
|
422 |
|
|
.endm
|
423 |
|
|
.macro __STI
|
424 |
|
|
stmfd sp!, {r0}
|
425 |
|
|
mrs r0, cpsr
|
426 |
|
|
orr r0, r0, IMM(ARM_PSR_IRQ | ARM_PSR_FIQ)
|
427 |
|
|
msr cpsr, r0
|
428 |
|
|
ldmfd sp!, {r0}
|
429 |
|
|
.endm
|
430 |
|
|
|
431 |
|
|
# if 0
|
432 |
|
|
/*
|
433 |
|
|
* Use this code to verify a particular processing mode
|
434 |
|
|
*/
|
435 |
|
|
mrs r0, cpsr
|
436 |
|
|
and r0, r0, IMM(ARM_PSR_MODE_MASK)
|
437 |
|
|
ldr r1, =ARM_PSR_MODE_IRQ
|
438 |
|
|
cmps r0, r1
|
439 |
|
|
0: bne 0b
|
440 |
|
|
PORT_TOGGLE_DEBUG
|
441 |
|
|
# endif /* 0 */
|
442 |
|
|
|
443 |
|
|
#else /* !defined(__ASSEMBLER__) */
|
444 |
|
|
|
445 |
|
|
# define BREAKPOINT() asm volatile(" .word 0xE7FFDEFE")
|
446 |
|
|
# define SYSCALL() asm volatile(" swi %0" : /* No outputs */ : "i" (SYSCALL_SWI))
|
447 |
|
|
# define __cli() asm volatile("
|
448 |
|
|
stmfd sp!, {r0}
|
449 |
|
|
mrs r0, cpsr
|
450 |
|
|
bic r0, r0, #0x000000C0
|
451 |
|
|
msr cpsr, r0
|
452 |
|
|
ldmfd sp!, {r0}")
|
453 |
|
|
# define __sti() asm volatile("
|
454 |
|
|
stmfd sp!, {r0}
|
455 |
|
|
mrs r0, cpsr
|
456 |
|
|
orr r0, r0, #0x000000C0
|
457 |
|
|
msr cpsr, r0
|
458 |
|
|
ldmfd sp!, {r0}")
|
459 |
|
|
# define __mcr(cp_num, opcode1, Rd, CRn, CRm, opcode2) \
|
460 |
|
|
asm volatile (" mcr " cp_num ", " \
|
461 |
|
|
opcode1 ", " \
|
462 |
|
|
"%0" ", " \
|
463 |
|
|
CRn ", " \
|
464 |
|
|
CRm ", " \
|
465 |
|
|
opcode2 : /* no outputs */ : "r" (Rd))
|
466 |
|
|
# define __mrc(cp_num, opcode1, Rd, CRn, CRm, opcode2) \
|
467 |
|
|
asm volatile (" mrc " cp_num ", " \
|
468 |
|
|
opcode1 ", " \
|
469 |
|
|
"%0" ", " \
|
470 |
|
|
CRn ", " \
|
471 |
|
|
CRm ", " \
|
472 |
|
|
opcode2 : "=r" (Rd) : /* no inputs */)
|
473 |
|
|
|
474 |
|
|
static inline unsigned __get_cpsr(void)
|
475 |
|
|
{
|
476 |
|
|
unsigned long retval;
|
477 |
|
|
asm volatile (" mrs %0, cpsr" : "=r" (retval) : /* no inputs */ );
|
478 |
|
|
return retval;
|
479 |
|
|
}
|
480 |
|
|
|
481 |
|
|
static inline void __set_cpsr(unsigned val)
|
482 |
|
|
{
|
483 |
|
|
asm volatile (" msr cpsr, %0" : /* no outputs */ : "r" (val) );
|
484 |
|
|
}
|
485 |
|
|
|
486 |
|
|
static inline unsigned __get_spsr(void)
|
487 |
|
|
{
|
488 |
|
|
unsigned long retval;
|
489 |
|
|
asm volatile (" mrs %0, spsr" : "=r" (retval) : /* no inputs */ );
|
490 |
|
|
return retval;
|
491 |
|
|
}
|
492 |
|
|
|
493 |
|
|
static inline void __set_spsr(unsigned val)
|
494 |
|
|
{
|
495 |
|
|
asm volatile (" msr spsr, %0" : /* no outputs */ : "r" (val) );
|
496 |
|
|
}
|
497 |
|
|
|
498 |
|
|
static inline unsigned __get_sp(void)
|
499 |
|
|
{
|
500 |
|
|
unsigned long retval;
|
501 |
|
|
asm volatile (" mov %0, sp" : "=r" (retval) : /* no inputs */ );
|
502 |
|
|
return retval;
|
503 |
|
|
}
|
504 |
|
|
|
505 |
|
|
static inline void __set_sp(unsigned val)
|
506 |
|
|
{
|
507 |
|
|
asm volatile (" mov sp, %0" : /* no outputs */ : "r" (val) );
|
508 |
|
|
}
|
509 |
|
|
|
510 |
|
|
static inline unsigned __get_fp(void)
|
511 |
|
|
{
|
512 |
|
|
unsigned long retval;
|
513 |
|
|
asm volatile (" mov %0, fp" : "=r" (retval) : /* no inputs */ );
|
514 |
|
|
return retval;
|
515 |
|
|
}
|
516 |
|
|
|
517 |
|
|
static inline void __set_fp(unsigned val)
|
518 |
|
|
{
|
519 |
|
|
asm volatile (" mov fp, %0" : /* no outputs */ : "r" (val) );
|
520 |
|
|
}
|
521 |
|
|
|
522 |
|
|
static inline unsigned __get_pc(void)
|
523 |
|
|
{
|
524 |
|
|
unsigned long retval;
|
525 |
|
|
asm volatile (" mov %0, pc" : "=r" (retval) : /* no inputs */ );
|
526 |
|
|
return retval;
|
527 |
|
|
}
|
528 |
|
|
|
529 |
|
|
static inline void __set_pc(unsigned val)
|
530 |
|
|
{
|
531 |
|
|
asm volatile (" mov pc, %0" : /* no outputs */ : "r" (val) );
|
532 |
|
|
}
|
533 |
|
|
|
534 |
|
|
static inline unsigned __get_lr(void)
|
535 |
|
|
{
|
536 |
|
|
unsigned long retval;
|
537 |
|
|
asm volatile (" mov %0, lr" : "=r" (retval) : /* no inputs */ );
|
538 |
|
|
return retval;
|
539 |
|
|
}
|
540 |
|
|
|
541 |
|
|
static inline void __set_lr(unsigned val)
|
542 |
|
|
{
|
543 |
|
|
asm volatile (" mov lr, %0" : /* no outputs */ : "r" (val) );
|
544 |
|
|
}
|
545 |
|
|
|
546 |
|
|
static inline unsigned __get_r8(void)
|
547 |
|
|
{
|
548 |
|
|
unsigned long retval;
|
549 |
|
|
asm volatile (" mov %0, r8" : "=r" (retval) : /* no inputs */ );
|
550 |
|
|
return retval;
|
551 |
|
|
}
|
552 |
|
|
|
553 |
|
|
static inline void __set_r8(unsigned val)
|
554 |
|
|
{
|
555 |
|
|
asm volatile (" mov r8, %0" : /* no outputs */ : "r" (val) );
|
556 |
|
|
}
|
557 |
|
|
|
558 |
|
|
static inline unsigned __get_r9(void)
|
559 |
|
|
{
|
560 |
|
|
unsigned long retval;
|
561 |
|
|
asm volatile (" mov %0, r9" : "=r" (retval) : /* no inputs */ );
|
562 |
|
|
return retval;
|
563 |
|
|
}
|
564 |
|
|
|
565 |
|
|
static inline void __set_r9(unsigned val)
|
566 |
|
|
{
|
567 |
|
|
asm volatile (" mov r9, %0" : /* no outputs */ : "r" (val) );
|
568 |
|
|
}
|
569 |
|
|
|
570 |
|
|
static inline unsigned __get_r10(void)
|
571 |
|
|
{
|
572 |
|
|
unsigned long retval;
|
573 |
|
|
asm volatile (" mov %0, r10" : "=r" (retval) : /* no inputs */ );
|
574 |
|
|
return retval;
|
575 |
|
|
}
|
576 |
|
|
|
577 |
|
|
static inline void __set_r10(unsigned val)
|
578 |
|
|
{
|
579 |
|
|
asm volatile (" mov r10, %0" : /* no outputs */ : "r" (val) );
|
580 |
|
|
}
|
581 |
|
|
|
582 |
|
|
static inline unsigned __get_r11(void)
|
583 |
|
|
{
|
584 |
|
|
unsigned long retval;
|
585 |
|
|
asm volatile (" mov %0, r11" : "=r" (retval) : /* no inputs */ );
|
586 |
|
|
return retval;
|
587 |
|
|
}
|
588 |
|
|
|
589 |
|
|
static inline void __set_r11(unsigned val)
|
590 |
|
|
{
|
591 |
|
|
asm volatile (" mov r11, %0" : /* no outputs */ : "r" (val) );
|
592 |
|
|
}
|
593 |
|
|
|
594 |
|
|
static inline unsigned __get_r12(void)
|
595 |
|
|
{
|
596 |
|
|
unsigned long retval;
|
597 |
|
|
asm volatile (" mov %0, r12" : "=r" (retval) : /* no inputs */ );
|
598 |
|
|
return retval;
|
599 |
|
|
}
|
600 |
|
|
|
601 |
|
|
static inline void __set_r12(unsigned val)
|
602 |
|
|
{
|
603 |
|
|
asm volatile (" mov r12, %0" : /* no outputs */ : "r" (val) );
|
604 |
|
|
}
|
605 |
|
|
|
606 |
|
|
#endif /* defined(__ASSEMBLER__) */
|
607 |
|
|
|
608 |
|
|
#define GDB_BREAKPOINT_VECTOR BSP_CORE_EXC_UNDEFINED_INSTRUCTION
|
609 |
|
|
#define GDB_SYSCALL_VECTOR BSP_CORE_EXC_SOFTWARE_INTERRUPT
|
610 |
|
|
|
611 |
|
|
#define ARM_INST_SIZE sizeof(unsigned long)
|
612 |
|
|
#define GDB_BREAKPOINT_INST_SIZE ARM_INST_SIZE
|
613 |
|
|
|
614 |
|
|
#ifdef __CPU_LH77790A__
|
615 |
|
|
# include <bsp/lh77790a.h>
|
616 |
|
|
#endif /* __CPU_LH77790A__ */
|
617 |
|
|
|
618 |
|
|
#if !defined(__ASSEMBLER__)
|
619 |
|
|
/*
|
620 |
|
|
* Define the CPU specific data
|
621 |
|
|
*/
|
622 |
|
|
#ifdef __CPU_LH77790A__
|
623 |
|
|
typedef struct {
|
624 |
|
|
unsigned char lh77790a_port_control_shadow;
|
625 |
|
|
} arm_cpu_data;
|
626 |
|
|
#endif /* __CPU_LH77790A__ */
|
627 |
|
|
#endif /* !defined(__ASSEMBLER__) */
|
628 |
|
|
|
629 |
|
|
#ifdef __CPU_SA110__
|
630 |
|
|
#include <bsp/sa-110.h>
|
631 |
|
|
#endif /* __CPU_SA110__ */
|
632 |
|
|
|
633 |
|
|
#ifdef __CPU_SA1100__
|
634 |
|
|
#include <bsp/sa-1100.h>
|
635 |
|
|
#endif /* __CPU_SA110__ */
|
636 |
|
|
|
637 |
|
|
#ifdef __CPU_710T__
|
638 |
|
|
#include <bsp/arm710t.h>
|
639 |
|
|
#endif /* __CPU_710T__ */
|
640 |
|
|
|
641 |
|
|
#ifdef MMU
|
642 |
|
|
/*
|
643 |
|
|
* ARM(R) MMU Definitions
|
644 |
|
|
*/
|
645 |
|
|
|
646 |
|
|
#ifndef __ASSEMBLER__
|
647 |
|
|
extern void *page1;
|
648 |
|
|
#endif /* __ASSEMBLER__ */
|
649 |
|
|
|
650 |
|
|
/*
|
651 |
|
|
* ARM(R) Cache and MMU Control Registers
|
652 |
|
|
*
|
653 |
|
|
* Accessed through coprocessor instructions.
|
654 |
|
|
*/
|
655 |
|
|
#ifdef __ASSEMBLER__
|
656 |
|
|
# define ARM_CACHE_COPROCESSOR_NUM p15
|
657 |
|
|
# define ARM_COPROCESSOR_OPCODE_DONT_CARE 0x0
|
658 |
|
|
# define ARM_COPROCESSOR_RM_DONT_CARE c0
|
659 |
|
|
#else /* __ASSEMBLER__ */
|
660 |
|
|
# define ARM_CACHE_COPROCESSOR_NUM "p15"
|
661 |
|
|
# define ARM_COPROCESSOR_OPCODE_DONT_CARE "0x0"
|
662 |
|
|
# define ARM_COPROCESSOR_RM_DONT_CARE "c0"
|
663 |
|
|
#endif /* __ASSEMBLER__ */
|
664 |
|
|
|
665 |
|
|
#ifdef __ASSEMBLER__
|
666 |
|
|
# define ARM_ID_REGISTER c0
|
667 |
|
|
# define ARM_CONTROL_REGISTER c1
|
668 |
|
|
# define ARM_TRANSLATION_TABLE_BASE_REGISTER c2
|
669 |
|
|
# define ARM_DOMAIN_ACCESS_CONTROL_REGISTER c3
|
670 |
|
|
# define ARM_FAULT_STATUS_REGISTER c5
|
671 |
|
|
# define ARM_FAULT_ADDRESS_REGISTER c6
|
672 |
|
|
# define ARM_CACHE_OPERATIONS_REGISTER c7
|
673 |
|
|
# define ARM_TLB_OPERATIONS_REGISTER c8
|
674 |
|
|
# define ARM_READ_BUFFER_OPERATIONS_REGISTER c9
|
675 |
|
|
#else /* __ASSEMBLER__ */
|
676 |
|
|
# define ARM_ID_REGISTER "c0"
|
677 |
|
|
# define ARM_CONTROL_REGISTER "c1"
|
678 |
|
|
# define ARM_TRANSLATION_TABLE_BASE_REGISTER "c2"
|
679 |
|
|
# define ARM_DOMAIN_ACCESS_CONTROL_REGISTER "c3"
|
680 |
|
|
# define ARM_FAULT_STATUS_REGISTER "c5"
|
681 |
|
|
# define ARM_FAULT_ADDRESS_REGISTER "c6"
|
682 |
|
|
# define ARM_CACHE_OPERATIONS_REGISTER "c7"
|
683 |
|
|
# define ARM_TLB_OPERATIONS_REGISTER "c8"
|
684 |
|
|
# define ARM_READ_BUFFER_OPERATIONS_REGISTER "c9"
|
685 |
|
|
#endif /* __ASSEMBLER__ */
|
686 |
|
|
|
687 |
|
|
/*
|
688 |
|
|
* SA-1100 Cache and MMU ID Register value
|
689 |
|
|
*/
|
690 |
|
|
#define ARM_ID_MASK 0xFFFFFFF0
|
691 |
|
|
#define ARM_ID_VALUE 0x4401a110
|
692 |
|
|
|
693 |
|
|
/*
|
694 |
|
|
* SA-1100 Cache Control Register Bit Fields and Masks
|
695 |
|
|
*/
|
696 |
|
|
#define ARM_MMU_DISABLED 0x00000000
|
697 |
|
|
#define ARM_MMU_ENABLED 0x00000001
|
698 |
|
|
#define ARM_MMU_MASK 0x00000001
|
699 |
|
|
#define ARM_ADDRESS_FAULT_DISABLED 0x00000000
|
700 |
|
|
#define ARM_ADDRESS_FAULT_ENABLED 0x00000002
|
701 |
|
|
#define ARM_ADDRESS_FAULT_MASK 0x00000002
|
702 |
|
|
#define ARM_DATA_CACHE_DISABLED 0x00000000
|
703 |
|
|
#define ARM_DATA_CACHE_ENABLED 0x00000004
|
704 |
|
|
#define ARM_DATA_CACHE_MASK 0x00000004
|
705 |
|
|
#define ARM_WRITE_BUFFER_DISABLED 0x00000000
|
706 |
|
|
#define ARM_WRITE_BUFFER_ENABLED 0x00000008
|
707 |
|
|
#define ARM_WRITE_BUFFER_MASK 0x00000008
|
708 |
|
|
#define ARM_LITTLE_ENDIAN 0x00000000
|
709 |
|
|
#define ARM_BIG_ENDIAN 0x00000080
|
710 |
|
|
#define ARM_ACCESS_CHECKS_NONE 0x00000000
|
711 |
|
|
#define ARM_ACCESS_CHECKS_SYSTEM 0x00000100
|
712 |
|
|
#define ARM_ACCESS_CHECKS_ROM 0x00000200
|
713 |
|
|
#define ARM_INSTRUCTION_CACHE_DISABLED 0x00000000
|
714 |
|
|
#define ARM_INSTRUCTION_CACHE_ENABLED 0x00001000
|
715 |
|
|
#define ARM_INSTRUCTION_CACHE_MASK 0x00001000
|
716 |
|
|
#define ARM_VIRTUAL_IVR_BASE_00000000 0x00000000
|
717 |
|
|
#define ARM_VIRTUAL_IVR_BASE_FFFF0000 0x00002000
|
718 |
|
|
#define ARM_CONTROL_SBZ_MASK 0x00001FFF
|
719 |
|
|
|
720 |
|
|
/*
|
721 |
|
|
* SA-1100 Translation Table Base Bit Masks
|
722 |
|
|
*/
|
723 |
|
|
#define ARM_TRANSLATION_TABLE_MASK 0xFFFFC000
|
724 |
|
|
|
725 |
|
|
/*
|
726 |
|
|
* SA-1100 Domain Access Control Bit Masks
|
727 |
|
|
*/
|
728 |
|
|
#define ARM_DOMAIN_0_MASK 0x00000003
|
729 |
|
|
#define ARM_DOMAIN_1_MASK 0x0000000C
|
730 |
|
|
#define ARM_DOMAIN_2_MASK 0x00000030
|
731 |
|
|
#define ARM_DOMAIN_3_MASK 0x000000C0
|
732 |
|
|
#define ARM_DOMAIN_4_MASK 0x00000300
|
733 |
|
|
#define ARM_DOMAIN_5_MASK 0x00000C00
|
734 |
|
|
#define ARM_DOMAIN_6_MASK 0x00003000
|
735 |
|
|
#define ARM_DOMAIN_7_MASK 0x0000C000
|
736 |
|
|
#define ARM_DOMAIN_8_MASK 0x00030000
|
737 |
|
|
#define ARM_DOMAIN_9_MASK 0x000C0000
|
738 |
|
|
#define ARM_DOMAIN_10_MASK 0x00300000
|
739 |
|
|
#define ARM_DOMAIN_11_MASK 0x00C00000
|
740 |
|
|
#define ARM_DOMAIN_12_MASK 0x03000000
|
741 |
|
|
#define ARM_DOMAIN_13_MASK 0x0C000000
|
742 |
|
|
#define ARM_DOMAIN_14_MASK 0x30000000
|
743 |
|
|
#define ARM_DOMAIN_15_MASK 0xC0000000
|
744 |
|
|
|
745 |
|
|
#define ARM_ACCESS_TYPE_NO_ACCESS(domain_num) (0x0 << (domain_num))
|
746 |
|
|
#define ARM_ACCESS_TYPE_CLIENT(domain_num) (0x1 << (domain_num))
|
747 |
|
|
#define ARM_ACCESS_TYPE_MANAGER(domain_num) (0x3 << (domain_num))
|
748 |
|
|
|
749 |
|
|
/*
|
750 |
|
|
* SA-1100 Fault Status Bit Masks
|
751 |
|
|
*/
|
752 |
|
|
#define ARM_FAULT_STATUS_MASK 0x0000000F
|
753 |
|
|
#define ARM_DOMAIN_MASK 0x000000F0
|
754 |
|
|
#define ARM_DATA_BREAKPOINT_MASK 0x00000200
|
755 |
|
|
|
756 |
|
|
/*
|
757 |
|
|
* SA-1100 Cache Control Operations Definitions
|
758 |
|
|
*/
|
759 |
|
|
#ifdef __ASSEMBLER__
|
760 |
|
|
# define ARM_FLUSH_CACHE_INST_DATA_OPCODE 0x0
|
761 |
|
|
# define ARM_FLUSH_CACHE_INST_DATA_RM c7
|
762 |
|
|
# define ARM_FLUSH_CACHE_INST_OPCODE 0x0
|
763 |
|
|
# define ARM_FLUSH_CACHE_INST_RM c5
|
764 |
|
|
# define ARM_FLUSH_CACHE_DATA_OPCODE 0x0
|
765 |
|
|
# define ARM_FLUSH_CACHE_DATA_RM c6
|
766 |
|
|
# define ARM_FLUSH_CACHE_DATA_SINGLE_OPCODE 0x1
|
767 |
|
|
# define ARM_FLUSH_CACHE_DATA_SINGLE_RM c6
|
768 |
|
|
# define ARM_CLEAN_CACHE_DATA_ENTRY_OPCODE 0x1
|
769 |
|
|
# define ARM_CLEAN_CACHE_DATA_ENTRY_RM c10
|
770 |
|
|
# define ARM_DRAIN_CACHE_WRITE_BUFFER_OPCODE 0x4
|
771 |
|
|
# define ARM_DRAIN_CACHE_WRITE_BUFFER_RM c10
|
772 |
|
|
#else /* __ASSEMBLER__ */
|
773 |
|
|
# define ARM_FLUSH_CACHE_INST_DATA_OPCODE "0x0"
|
774 |
|
|
# define ARM_FLUSH_CACHE_INST_DATA_RM "c7"
|
775 |
|
|
# define ARM_FLUSH_CACHE_INST_OPCODE "0x0"
|
776 |
|
|
# define ARM_FLUSH_CACHE_INST_RM "c5"
|
777 |
|
|
# define ARM_FLUSH_CACHE_DATA_OPCODE "0x0"
|
778 |
|
|
# define ARM_FLUSH_CACHE_DATA_RM "c6"
|
779 |
|
|
# define ARM_FLUSH_CACHE_DATA_SINGLE_OPCODE "0x1"
|
780 |
|
|
# define ARM_FLUSH_CACHE_DATA_SINGLE_RM "c6"
|
781 |
|
|
# define ARM_CLEAN_CACHE_DATA_ENTRY_OPCODE "0x1"
|
782 |
|
|
# define ARM_CLEAN_CACHE_DATA_ENTRY_RM "c10"
|
783 |
|
|
# define ARM_DRAIN_CACHE_WRITE_BUFFER_OPCODE "0x4"
|
784 |
|
|
# define ARM_DRAIN_CACHE_WRITE_BUFFER_RM "c10"
|
785 |
|
|
#endif /* __ASSEMBLER__ */
|
786 |
|
|
|
787 |
|
|
/*
|
788 |
|
|
* SA-1100 TLB Operations Definitions
|
789 |
|
|
*/
|
790 |
|
|
#ifdef __ASSEMBLER__
|
791 |
|
|
# define ARM_FLUSH_INST_DATA_TLB_OPCODE 0x0
|
792 |
|
|
# define ARM_FLUSH_INST_DATA_TLB_RM c7
|
793 |
|
|
# define ARM_FLUSH_INST_TLB_OPCODE 0x0
|
794 |
|
|
# define ARM_FLUSH_INST_TLB_RM c5
|
795 |
|
|
# define ARM_FLUSH_DATA_TLB_OPCODE 0x0
|
796 |
|
|
# define ARM_FLUSH_DATA_TLB_RM c6
|
797 |
|
|
# define ARM_FLUSH_DATA_ENTRY_TLB_OPCODE 0x1
|
798 |
|
|
# define ARM_FLUSH_DATA_ENTRY_TLB_RM c6
|
799 |
|
|
#else /* __ASSEMBLER__ */
|
800 |
|
|
# define ARM_FLUSH_INST_DATA_TLB_OPCODE "0x0"
|
801 |
|
|
# define ARM_FLUSH_INST_DATA_TLB_RM "c7"
|
802 |
|
|
# define ARM_FLUSH_INST_TLB_OPCODE "0x0"
|
803 |
|
|
# define ARM_FLUSH_INST_TLB_RM "c5"
|
804 |
|
|
# define ARM_FLUSH_DATA_TLB_OPCODE "0x0"
|
805 |
|
|
# define ARM_FLUSH_DATA_TLB_RM "c6"
|
806 |
|
|
# define ARM_FLUSH_DATA_ENTRY_TLB_OPCODE "0x1"
|
807 |
|
|
# define ARM_FLUSH_DATA_ENTRY_TLB_RM "c6"
|
808 |
|
|
#endif /* __ASSEMBLER__ */
|
809 |
|
|
|
810 |
|
|
/*
|
811 |
|
|
* SA-1100 Read-Buffer Operations Definitions
|
812 |
|
|
*/
|
813 |
|
|
#ifdef __ASSEMBLER__
|
814 |
|
|
# define ARM_FLUSH_ALL_BUFFERS_OPCODE 0x0
|
815 |
|
|
# define ARM_FLUSH_ALL_BUFFERS_RM c0
|
816 |
|
|
# define ARM_FLUSH_BUFFER_0_OPCODE 0x1
|
817 |
|
|
# define ARM_FLUSH_BUFFER_0_RM c0
|
818 |
|
|
# define ARM_FLUSH_BUFFER_1_OPCODE 0x1
|
819 |
|
|
# define ARM_FLUSH_BUFFER_1_RM c1
|
820 |
|
|
# define ARM_FLUSH_BUFFER_2_OPCODE 0x1
|
821 |
|
|
# define ARM_FLUSH_BUFFER_2_RM c2
|
822 |
|
|
# define ARM_FLUSH_BUFFER_3_OPCODE 0x1
|
823 |
|
|
# define ARM_FLUSH_BUFFER_3_RM c3
|
824 |
|
|
# define ARM_LOAD_BUFFER_0_1_WORD_OPCODE 0x2
|
825 |
|
|
# define ARM_LOAD_BUFFER_0_1_WORD_RM c0
|
826 |
|
|
# define ARM_LOAD_BUFFER_0_4_WORD_OPCODE 0x2
|
827 |
|
|
# define ARM_LOAD_BUFFER_0_4_WORD_RM c4
|
828 |
|
|
# define ARM_LOAD_BUFFER_0_8_WORD_OPCODE 0x2
|
829 |
|
|
# define ARM_LOAD_BUFFER_0_8_WORD_RM c8
|
830 |
|
|
# define ARM_LOAD_BUFFER_1_1_WORD_OPCODE 0x2
|
831 |
|
|
# define ARM_LOAD_BUFFER_1_1_WORD_RM c1
|
832 |
|
|
# define ARM_LOAD_BUFFER_1_4_WORD_OPCODE 0x2
|
833 |
|
|
# define ARM_LOAD_BUFFER_1_4_WORD_RM c5
|
834 |
|
|
# define ARM_LOAD_BUFFER_1_8_WORD_OPCODE 0x2
|
835 |
|
|
# define ARM_LOAD_BUFFER_1_8_WORD_RM c9
|
836 |
|
|
# define ARM_LOAD_BUFFER_2_1_WORD_OPCODE 0x2
|
837 |
|
|
# define ARM_LOAD_BUFFER_2_1_WORD_RM c2
|
838 |
|
|
# define ARM_LOAD_BUFFER_2_4_WORD_OPCODE 0x2
|
839 |
|
|
# define ARM_LOAD_BUFFER_2_4_WORD_RM c6
|
840 |
|
|
# define ARM_LOAD_BUFFER_2_8_WORD_OPCODE 0x2
|
841 |
|
|
# define ARM_LOAD_BUFFER_2_8_WORD_RM cA
|
842 |
|
|
# define ARM_LOAD_BUFFER_3_1_WORD_OPCODE 0x2
|
843 |
|
|
# define ARM_LOAD_BUFFER_3_1_WORD_RM c3
|
844 |
|
|
# define ARM_LOAD_BUFFER_3_4_WORD_OPCODE 0x2
|
845 |
|
|
# define ARM_LOAD_BUFFER_3_4_WORD_RM c7
|
846 |
|
|
# define ARM_LOAD_BUFFER_3_8_WORD_OPCODE 0x2
|
847 |
|
|
# define ARM_LOAD_BUFFER_3_8_WORD_RM cB
|
848 |
|
|
# define ARM_DISABLE_USER_MCR_ACCESS_OPCODE 0x4
|
849 |
|
|
# define ARM_DISABLE_USER_MCR_ACCESS_RM c0
|
850 |
|
|
# define ARM_ENABLE_USER_MCR_ACCESS_OPCODE 0x5
|
851 |
|
|
# define ARM_ENABLE_USER_MCR_ACCESS_RM c0
|
852 |
|
|
#else /* __ASSEMBLER__ */
|
853 |
|
|
# define ARM_FLUSH_ALL_BUFFERS_OPCODE "0x0"
|
854 |
|
|
# define ARM_FLUSH_ALL_BUFFERS_RM "c0"
|
855 |
|
|
# define ARM_FLUSH_BUFFER_0_OPCODE "0x1"
|
856 |
|
|
# define ARM_FLUSH_BUFFER_0_RM "c0"
|
857 |
|
|
# define ARM_FLUSH_BUFFER_1_OPCODE "0x1"
|
858 |
|
|
# define ARM_FLUSH_BUFFER_1_RM "c1"
|
859 |
|
|
# define ARM_FLUSH_BUFFER_2_OPCODE "0x1"
|
860 |
|
|
# define ARM_FLUSH_BUFFER_2_RM "c2"
|
861 |
|
|
# define ARM_FLUSH_BUFFER_3_OPCODE "0x1"
|
862 |
|
|
# define ARM_FLUSH_BUFFER_3_RM "c3"
|
863 |
|
|
# define ARM_LOAD_BUFFER_0_1_WORD_OPCODE "0x2"
|
864 |
|
|
# define ARM_LOAD_BUFFER_0_1_WORD_RM "c0"
|
865 |
|
|
# define ARM_LOAD_BUFFER_0_4_WORD_OPCODE "0x2"
|
866 |
|
|
# define ARM_LOAD_BUFFER_0_4_WORD_RM "c4"
|
867 |
|
|
# define ARM_LOAD_BUFFER_0_8_WORD_OPCODE "0x2"
|
868 |
|
|
# define ARM_LOAD_BUFFER_0_8_WORD_RM "c8"
|
869 |
|
|
# define ARM_LOAD_BUFFER_1_1_WORD_OPCODE "0x2"
|
870 |
|
|
# define ARM_LOAD_BUFFER_1_1_WORD_RM "c1"
|
871 |
|
|
# define ARM_LOAD_BUFFER_1_4_WORD_OPCODE "0x2"
|
872 |
|
|
# define ARM_LOAD_BUFFER_1_4_WORD_RM "c5"
|
873 |
|
|
# define ARM_LOAD_BUFFER_1_8_WORD_OPCODE "0x2"
|
874 |
|
|
# define ARM_LOAD_BUFFER_1_8_WORD_RM "c9"
|
875 |
|
|
# define ARM_LOAD_BUFFER_2_1_WORD_OPCODE "0x2"
|
876 |
|
|
# define ARM_LOAD_BUFFER_2_1_WORD_RM "c2"
|
877 |
|
|
# define ARM_LOAD_BUFFER_2_4_WORD_OPCODE "0x2"
|
878 |
|
|
# define ARM_LOAD_BUFFER_2_4_WORD_RM "c6"
|
879 |
|
|
# define ARM_LOAD_BUFFER_2_8_WORD_OPCODE "0x2"
|
880 |
|
|
# define ARM_LOAD_BUFFER_2_8_WORD_RM "cA"
|
881 |
|
|
# define ARM_LOAD_BUFFER_3_1_WORD_OPCODE "0x2"
|
882 |
|
|
# define ARM_LOAD_BUFFER_3_1_WORD_RM "c3"
|
883 |
|
|
# define ARM_LOAD_BUFFER_3_4_WORD_OPCODE "0x2"
|
884 |
|
|
# define ARM_LOAD_BUFFER_3_4_WORD_RM "c7"
|
885 |
|
|
# define ARM_LOAD_BUFFER_3_8_WORD_OPCODE "0x2"
|
886 |
|
|
# define ARM_LOAD_BUFFER_3_8_WORD_RM "cB"
|
887 |
|
|
# define ARM_DISABLE_USER_MCR_ACCESS_OPCODE "0x4"
|
888 |
|
|
# define ARM_DISABLE_USER_MCR_ACCESS_RM "c0"
|
889 |
|
|
# define ARM_ENABLE_USER_MCR_ACCESS_OPCODE "0x5"
|
890 |
|
|
# define ARM_ENABLE_USER_MCR_ACCESS_RM "c0"
|
891 |
|
|
#endif /* __ASSEMBLER__ */
|
892 |
|
|
|
893 |
|
|
/*
|
894 |
|
|
* ARM(R) First Level Descriptor Format Definitions
|
895 |
|
|
*/
|
896 |
|
|
#ifndef __ASSEMBLER__
|
897 |
|
|
struct ARM_MMU_FIRST_LEVEL_FAULT {
|
898 |
|
|
int id : 2;
|
899 |
|
|
int sbz : 30;
|
900 |
|
|
};
|
901 |
|
|
#define ARM_MMU_FIRST_LEVEL_FAULT_ID 0x0
|
902 |
|
|
|
903 |
|
|
struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE {
|
904 |
|
|
int id : 2;
|
905 |
|
|
int imp : 2;
|
906 |
|
|
int domain : 4;
|
907 |
|
|
int sbz : 1;
|
908 |
|
|
int base_address : 23;
|
909 |
|
|
};
|
910 |
|
|
#define ARM_MMU_FIRST_LEVEL_PAGE_TABLE_ID 0x1
|
911 |
|
|
|
912 |
|
|
struct ARM_MMU_FIRST_LEVEL_SECTION {
|
913 |
|
|
int id : 2;
|
914 |
|
|
int b : 1;
|
915 |
|
|
int c : 1;
|
916 |
|
|
int imp : 1;
|
917 |
|
|
int domain : 4;
|
918 |
|
|
int sbz0 : 1;
|
919 |
|
|
int ap : 2;
|
920 |
|
|
int sbz1 : 8;
|
921 |
|
|
int base_address : 12;
|
922 |
|
|
};
|
923 |
|
|
#define ARM_MMU_FIRST_LEVEL_SECTION_ID 0x2
|
924 |
|
|
|
925 |
|
|
struct ARM_MMU_FIRST_LEVEL_RESERVED {
|
926 |
|
|
int id : 2;
|
927 |
|
|
int sbz : 30;
|
928 |
|
|
};
|
929 |
|
|
#define ARM_MMU_FIRST_LEVEL_RESERVED_ID 0x3
|
930 |
|
|
|
931 |
|
|
#define ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, table_index) \
|
932 |
|
|
(unsigned long *)((unsigned long)(ttb_base) + ((table_index) << 2))
|
933 |
|
|
#define ARM_MMU_SECTION(ttb_base, actual_base, virtual_base, cacheable, bufferable, perm) \
|
934 |
|
|
{ \
|
935 |
|
|
register union ARM_MMU_FIRST_LEVEL_DESCRIPTOR desc; \
|
936 |
|
|
\
|
937 |
|
|
desc.word = 0; \
|
938 |
|
|
desc.section.id = ARM_MMU_FIRST_LEVEL_SECTION_ID; \
|
939 |
|
|
desc.section.domain = 0; \
|
940 |
|
|
desc.section.c = (cacheable); \
|
941 |
|
|
desc.section.b = (bufferable); \
|
942 |
|
|
desc.section.ap = (perm); \
|
943 |
|
|
desc.section.base_address = (actual_base); \
|
944 |
|
|
*ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, (virtual_base)) = desc.word; \
|
945 |
|
|
}
|
946 |
|
|
|
947 |
|
|
union ARM_MMU_FIRST_LEVEL_DESCRIPTOR {
|
948 |
|
|
unsigned long word;
|
949 |
|
|
struct ARM_MMU_FIRST_LEVEL_FAULT fault;
|
950 |
|
|
struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE page_table;
|
951 |
|
|
struct ARM_MMU_FIRST_LEVEL_SECTION section;
|
952 |
|
|
struct ARM_MMU_FIRST_LEVEL_RESERVED reserved;
|
953 |
|
|
};
|
954 |
|
|
|
955 |
|
|
#endif /* __ASSEMBLER__ */
|
956 |
|
|
|
957 |
|
|
#define ARM_UNCACHEABLE 0
|
958 |
|
|
#define ARM_CACHEABLE 1
|
959 |
|
|
#define ARM_UNBUFFERABLE 0
|
960 |
|
|
#define ARM_BUFFERABLE 1
|
961 |
|
|
|
962 |
|
|
#define ARM_ACCESS_PERM_NONE_NONE 0
|
963 |
|
|
#define ARM_ACCESS_PERM_RO_NONE 0
|
964 |
|
|
#define ARM_ACCESS_PERM_RO_RO 0
|
965 |
|
|
#define ARM_ACCESS_PERM_RW_NONE 1
|
966 |
|
|
#define ARM_ACCESS_PERM_RW_RO 2
|
967 |
|
|
#define ARM_ACCESS_PERM_RW_RW 3
|
968 |
|
|
|
969 |
|
|
#define ARM_SECTION_SIZE SZ_1M
|
970 |
|
|
#define ARM_SMALL_PAGE_SIZE SZ_4K
|
971 |
|
|
#define ARM_LARGE_PAGE_SIZE SZ_64K
|
972 |
|
|
|
973 |
|
|
#define ARM_FIRST_LEVEL_PAGE_TABLE_SIZE SZ_16K
|
974 |
|
|
#define ARM_SECOND_LEVEL_PAGE_TABLE_SIZE SZ_1K
|
975 |
|
|
|
976 |
|
|
#endif /* MMU */
|
977 |
|
|
|
978 |
|
|
#endif // __ARM_CPU_H__
|