original files of m241
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neelimap
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/* vmLib.h - header for architecture independent mmu interface */
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/*
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* Copyright (c) 1984-2005, 2007, 2009-2010, 2014 Wind River Systems, Inc.
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*
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* The right to copy, distribute, modify or otherwise make use
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* of this software may be licensed only pursuant to the terms
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* of an applicable Wind River license agreement.
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*/
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/*
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modification history
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--------------------
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02s,15may14,jb VXW6-81787 - add Intel Write Combining Option
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02r,05nov10,zl add deprecation warning to vmPhysTranslate(), removed it
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from 64-bit.
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02q,29apr10,pad Moved extern C statement after include statements.
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02p,25aug09,zl added vmPageUnmap() declaration.
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02o,21apr09,zl LP64 updates. Replaced msize_t with size_t.
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02n,20jul07,j_b re-assign VM_STATE_BUFFERABLE for ARMARCH6
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02m,02may07,zl introduced msize_t.
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02l,06mar07,pcs Add prototype for vmPageMap.
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02k,11aug05,zl move init routines to future non-public section.
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02j,07jul05,zl added no-alias error codes.
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02i,15apr05,zl added S_vmLib_FUNCTION_UNSUPPORTED.
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02h,07feb05,zl removed inclusion of private header files
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02g,22oct04,pch SPR 102912: add #ifndef _ASMLANGUAGE
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02f,14oct04,pcs Change VM_STATE_GUARDED_NOT & VM_STATE_MEM_COHERENCY_NOT from
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MMU_ATTR_CACHE_DEFAULT to 0.
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02e,30sep04,rlg undo false checkin - return cache state bits to proper
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settings
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02d,12oct04,pcs Remove protectSemId from struct vm_context, since it is not
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being used.
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02c,29sep04,pcs Change VM_STATE_CACHEABLE,VM_STATE_MEM_COHERANCY_NOT &
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VM_STATE_GUARDED_NOT from MMU_ATTR_CACHE_COPYBACK to
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VM_ATTR_CACHE_DEFAULT.
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02b,11jun04,pcs Rename MMU_ATTR_CACHE_IO to MMU_ATTR_CACHE_GUARDED.
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02a,11may04,tam added S_vmLib_KERNEL_TEXT_NOT_ALIGNED
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01z,03may04,pcs Add prototypes for optimize/lock/unlock .
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01y,17dec03,zmm Change VM_STATE_WBACK definitions.
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01x,26sep03,scm fix for vmLib prototypes...
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01w,17sep03,scm x-bit support...
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01v,04sep03,pcs Add SEM_ID protectSemId; to struct vm_context.
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01u,09jul03,pcs change physicalAddr to type PHYS_ADDR from void *
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01t,08may03,pes PAL conditional compilation cleanup. Phase 2.
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01s,14mar03,dcc moved VM_CONTEXT_ID definition to types/vxWind.h
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01r,26jul01,scm add extended small page table support for XScale...
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01q,13nov98,jpd added vmMpuLib routine definitions and new error numbers.
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01p,09apr98,hdn added support for Pentium and PentiumPro.
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01o,09mar98,jpd added extra ARM VM_STATEs.
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01n,28nov96,jpd added comment about VM_STATE_CACHEABLE_WRITETHROUGH for
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ARM710A as well as MC68040.
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01m,01jan96,tpr changed value of the PPC specific macro.
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01l,18sep95,tpr added VM_STATE_MASK_MEM_COHERENCY, VM_STATE_MASK_GUARDED,
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VM_STATE_MASK_GUARDED and VM_STATE_MASK_EXECUTE for powerPc.
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01k,26jul94,tpr added VM_STATE_CACHEABLE_NOT_IMPRECISE for MC68060.
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01j,09feb93,rdc added prototypes for vmBaseStateSet and vmBasePageSizeGet;
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01i,19oct92,pme replaced _STDC__ by __STDC__.
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01h,19oct92,jcf cleanup. added vmContextDelete() prototype.
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01g,22sep92,rrr added support for c++
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01f,22sep92,rdc changed prototype for vmGlobalInfoGet.
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Added prototype for vmPageBlockSizeGet.
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Added support for sun1e.
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01e,30jul92,rdc added prototype for vmContextShow.
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01d,28jul92,rdc added non-ansi function prototypes and prototypes for
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vmBaseLib.c and vmShow.c.
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01c,13jul92,rdc moved private data structures to vmLibP.h.
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01b,09jul92,rdc added VM_LIB_INFO and PHYS_MEM_DESC.
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01a,08jul92,rdc written.
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*/
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#ifndef __INCvmLibh
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#define __INCvmLibh
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#include <vxWorks.h>
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#include <mmuLib.h>
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#include <mmuAttr.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* status codes */
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#define S_vmLib_NOT_PAGE_ALIGNED (M_vmLib | 1)
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#define S_vmLib_BAD_STATE_PARAM (M_vmLib | 2)
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#define S_vmLib_BAD_MASK_PARAM (M_vmLib | 3)
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#define S_vmLib_ADDR_IN_GLOBAL_SPACE (M_vmLib | 4)
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#define S_vmLib_TEXT_PROTECTION_UNAVAILABLE (M_vmLib | 5)
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#define S_vmLib_KERNEL_TEXT_NOT_ALIGNED (M_vmLib | 6)
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#define S_vmLib_FUNCTION_UNSUPPORTED (M_vmLib | 7)
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#define S_vmLib_PHYS_PAGES_ALREADY_MAPPED (M_vmLib | 8)
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#define S_vmLib_NOALIAS_SUPPORT_NOT_INCLUDED (M_vmLib | 9)
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/*
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* The VM_STATE_XXX macros have been redefined to use the MMU_ATTR_XXX
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* macros defined in vmLibCommon.h; use of the VM_STATE_XXX macros should
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* be avoided.
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*/
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#define VM_STATE_MASK_VALID MMU_ATTR_VALID_MSK
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#define VM_STATE_MASK_WRITABLE MMU_ATTR_PROT_MSK
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#define VM_STATE_MASK_CACHEABLE MMU_ATTR_CACHE_MSK
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#define VM_STATE_VALID MMU_ATTR_VALID
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#define VM_STATE_VALID_NOT MMU_ATTR_VALID_NOT
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#define VM_STATE_WRITABLE MMU_ATTR_SUP_RWX
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#define VM_STATE_WRITABLE_NOT (MMU_ATTR_PROT_SUP_READ | \
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MMU_ATTR_PROT_SUP_EXE)
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#define VM_STATE_CACHEABLE MMU_ATTR_CACHE_DEFAULT
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#define VM_STATE_CACHEABLE_NOT MMU_ATTR_CACHE_OFF
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#define VM_STATE_CACHEABLE_WRITETHROUGH MMU_ATTR_CACHE_WRITETHRU
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/* additional cache states for PowerPC arch. */
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#define VM_STATE_MASK_MEM_COHERENCY MMU_ATTR_CACHE_MSK
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#define VM_STATE_MEM_COHERENCY MMU_ATTR_CACHE_COHERENCY
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#define VM_STATE_MEM_COHERENCY_NOT 0
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#define VM_STATE_MASK_GUARDED MMU_ATTR_CACHE_MSK
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#define VM_STATE_GUARDED MMU_ATTR_CACHE_GUARDED
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#define VM_STATE_GUARDED_NOT 0
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/* additional cache states for i86 arch */
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#define VM_STATE_WBACK MMU_ATTR_CACHE_COPYBACK
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#define VM_STATE_WBACK_NOT MMU_ATTR_CACHE_WRITETHRU
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#define VM_STATE_MASK_WBACK VM_STATE_MASK_MEM_COHERENCY
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#define VM_STATE_MASK_GLOBAL MMU_ATTR_SPL_MSK
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#define VM_STATE_GLOBAL MMU_ATTR_SPL_0
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#define VM_STATE_GLOBAL_NOT 0
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#if (CPU_FAMILY == I80X86 && _VX_CPU != _VX_PENTIUM)
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/* Write Combine attribute */
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#define VM_STATE_MASK_WCOMBINE MMU_ATTR_SPL_MSK
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#define VM_STATE_WCOMBINE MMU_ATTR_SPL_1
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#define VM_STATE_WCOMBINE_NOT 0
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#endif /* (CPU_FAMILY == I80X86 && _VX_CPU != _VX_PENTIUM) */
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/* additional cache states for ARM/XScale arch. */
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#if (CPU == ARMARCH6)
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#define VM_STATE_MASK_BUFFERABLE (MMU_ATTR_CACHE_MSK)
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#define VM_STATE_BUFFERABLE (MMU_ATTR_CACHE_GUARDED | \
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MMU_ATTR_CACHE_OFF) /* Cache I/O */
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#define VM_STATE_BUFFERABLE_NOT 0x00
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#else
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#define VM_STATE_MASK_BUFFERABLE (MMU_ATTR_CACHE_MSK | MMU_ATTR_SPL_MSK)
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#define VM_STATE_BUFFERABLE (MMU_ATTR_SPL_0)
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#define VM_STATE_BUFFERABLE_NOT 0x00
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#endif /* CPU == ARMARCH6 */
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#if (CPU == XSCALE)
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#define VM_STATE_MASK_EX_CACHEABLE (MMU_ATTR_CACHE_MSK | MMU_ATTR_SPL_MSK)
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#define VM_STATE_NO_COALESCE (MMU_ATTR_SPL_2 | MMU_ATTR_CACHE_OFF)
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#define VM_STATE_WRITEALLOCATE (MMU_ATTR_SPL_3 | MMU_ATTR_CACHE_COPYBACK)
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#define VM_STATE_CACHEABLE_MINICACHE (MMU_ATTR_SPL_1)
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#define VM_STATE_EX_CACHEABLE_NOT 0x00
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/* backwards compatability for vxWorks 5.5 */
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#define VM_STATE_MASK_EX_BUFFERABLE VM_STATE_MASK_EX_CACHEABLE
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#define VM_STATE_EX_BUFFERABLE VM_STATE_NO_COALESCE
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#define VM_STATE_EX_CACHEABLE VM_STATE_WRITEALLOCATE
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#define VM_STATE_EX_BUFFERABLE_NOT VM_STATE_EX_CACHEABLE_NOT
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#else
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/* additional cache states for ARM SA-1100 */
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#define VM_STATE_CACHEABLE_MINICACHE 0x30
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#endif /* CPU == XSCALE */
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#ifndef _ASMLANGUAGE
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/*
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* physical memory descriptor is used to map virtual memory in sysLib
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* and usrConfig.
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*/
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typedef struct phys_mem_desc
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{
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VIRT_ADDR virtualAddr; /* block virtual address */
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PHYS_ADDR physicalAddr; /* block physical address */
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size_t len; /* block length */
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UINT initialStateMask; /* mask parameter to vmStateSet */
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UINT initialState; /* state parameter to vmStateSet */
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} PHYS_MEM_DESC;
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typedef size_t msize_t; /* for migration purpose only */
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IMPORT PHYS_MEM_DESC sysPhysMemDesc[];
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IMPORT int sysPhysMemDescNumEnt;
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/* function declarations */
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extern STATUS vmStateSet (VM_CONTEXT_ID context, VIRT_ADDR pVirtual,
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size_t len, UINT stateMask, UINT state);
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extern STATUS vmStateGet (VM_CONTEXT_ID context, VIRT_ADDR pageAddr,
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UINT *state);
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extern STATUS vmMap (VM_CONTEXT_ID context, VIRT_ADDR virtualAddr,
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PHYS_ADDR physicalAddr, size_t len);
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extern STATUS vmPageMap (VM_CONTEXT_ID context, VIRT_ADDR virtualAddr,
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PHYS_ADDR physicalAddr, size_t len, UINT stateMask,
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UINT state);
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extern STATUS vmPageUnmap (VM_CONTEXT_ID context, VIRT_ADDR virtualAddr,
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size_t numBytes);
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extern STATUS vmTranslate (VM_CONTEXT_ID context, VIRT_ADDR virtualAddr,
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PHYS_ADDR *physicalAddr);
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#ifndef _WRS_CONFIG_LP64
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extern STATUS vmPhysTranslate (VM_CONTEXT_ID context, PHYS_ADDR physicalAddr,
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VIRT_ADDR *virtualAddr )
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_WRS_DEPRECATED("Please see vmPhysTranslate() reference guide for details");
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#endif
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extern size_t vmPageSizeGet (void);
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extern STATUS vmTextProtect (BOOL setState);
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extern STATUS vmBufferWrite (VM_CONTEXT_ID vmCtx, VIRT_ADDR fromAddr,
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VIRT_ADDR toAddr, size_t nbBytes);
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extern STATUS vmPageOptimize (VM_CONTEXT_ID context, VIRT_ADDR virtualAddr,
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size_t len, UINT option);
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extern STATUS vmPageLock (VM_CONTEXT_ID context, VIRT_ADDR virtualAddr,
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size_t len, UINT option);
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extern STATUS vmPageUnlock (VM_CONTEXT_ID context, VIRT_ADDR virtualAddr);
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extern STATUS vmContextShow (VM_CONTEXT_ID context);
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extern STATUS vmAttrShow (UINT mmuAttr, UINT mmuAttrMask);
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#endif /* _ASMLANGUAGE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCvmLibh */
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