168 lines
6.4 KiB
C
168 lines
6.4 KiB
C
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/******************************************************************************
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*
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* Freescale Semiconductor Inc.
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* (c) Copyright 2004-2006 Freescale Semiconductor, Inc.
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* (c) Copyright 2001-2004 Motorola, Inc.
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* ALL RIGHTS RESERVED.
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*
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****************************************************************************//*!
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*
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* @file PE_freemaster_tsa.h
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*
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* @brief FreeMASTER Driver TSA feature
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*
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* @version 1.0.6.0
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*
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* @date Apr-11-2007
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*
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*******************************************************************************/
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#ifndef __FREEMASTER_TSA_H
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#define __FREEMASTER_TSA_H
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#include "PE_freemaster_cfg.h"
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/*****************************************************************************
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Target-side Address translation structures and macros
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******************************************************************************/
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/* current TSA version */
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#define FMSTR_TSA_VERSION 2U
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/* TSA flags carried in TSA_ENTRY.info (except the first entry in table) */
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#define FMSTR_TSA_INFO_ENTRYTYPE_MASK 0x0003U /* flags reserved for TSA_ENTRY use */
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#define FMSTR_TSA_INFO_STRUCT 0x0000U /* ENTRYTYPE: structure parent type */
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#define FMSTR_TSA_INFO_RO_VAR 0x0001U /* ENTRYTYPE: read-only variable */
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#define FMSTR_TSA_INFO_MEMBER 0x0002U /* ENTRYTYPE: structure member */
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#define FMSTR_TSA_INFO_RW_VAR 0x0003U /* ENTRYTYPE: read-write variable */
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#define FMSTR_TSA_INFO_VAR_FLAG 0x0001U /* ENTRYTYPE: FLAG: any variable */
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#define FMSTR_TSA_INFO_RWV_FLAG 0x0002U /* ENTRYTYPE: FLAG: R/W access */
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/* TSA table index and size (both unsigned, at least 16 bit wide) */
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typedef FMSTR_SIZE FMSTR_TSA_TINDEX;
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typedef FMSTR_SIZE FMSTR_TSA_TSIZE;
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/* pointer types used in TSA tables can be overridden in PE_freemaster.h */
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/* (this is why macros are used instead of typedefs) */
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#ifndef FMSTR_TSATBL_STRPTR
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#define FMSTR_TSATBL_STRPTR const char*
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#endif
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#ifndef FMSTR_TSATBL_STRPTR_CAST
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#define FMSTR_TSATBL_STRPTR_CAST(x) ((FMSTR_TSATBL_STRPTR)(x))
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#endif
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#ifndef FMSTR_TSATBL_VOIDPTR
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#define FMSTR_TSATBL_VOIDPTR const void*
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#endif
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#ifndef FMSTR_TSATBL_VOIDPTR_CAST
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#define FMSTR_TSATBL_VOIDPTR_CAST(x) ((FMSTR_TSATBL_VOIDPTR)(x))
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#endif
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/* TSA table entry. The unions inside assures variables sized enough to */
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/* accomodate both the C-pointer and the user-requested size (FMSTR_ADDR) */
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typedef struct
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{
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union { FMSTR_TSATBL_STRPTR p; FMSTR_ADDR n; } name;
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union { FMSTR_TSATBL_STRPTR p; FMSTR_ADDR n; } type;
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union { FMSTR_TSATBL_VOIDPTR p; FMSTR_ADDR n; } addr;
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union { FMSTR_TSATBL_VOIDPTR p; FMSTR_ADDR n; } info;
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} FMSTR_TSA_ENTRY;
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/* TSA table allocation modifier */
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#ifndef FMSTR_USE_TSA_INROM
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#define FMSTR_USE_TSA_INROM 0
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#endif
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#if FMSTR_USE_TSA_INROM
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#define FMSTR_TSA_CDECL const
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#else
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#define FMSTR_TSA_CDECL
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#endif
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/*//////////////////////////////////////////////// */
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/* single table-building macros */
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#define FMSTR_TSA_FUNC(id) FMSTR_TsaGetTable_##id
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#define FMSTR_TSA_FUNC_PROTO(id) const FMSTR_TSA_ENTRY* FMSTR_TSA_FUNC(id) (FMSTR_TSA_TSIZE* pTableSize)
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#define FMSTR_TSA_TABLE_BEGIN(id) \
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FMSTR_TSA_FUNC_PROTO(id); \
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FMSTR_TSA_FUNC_PROTO(id) { \
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static FMSTR_TSA_CDECL FMSTR_TSA_ENTRY fmstr_tsatable[] = {
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/* entry info */
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#define FMSTR_TSA_INFO1(elem, flags) FMSTR_TSATBL_VOIDPTR_CAST(((sizeof(elem))<<2)|(flags))
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#define FMSTR_TSA_INFO2(size, flags) FMSTR_TSATBL_VOIDPTR_CAST(((size)<<2)|(flags))
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#define FMSTR_TSA_STRUCT(name) \
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{ FMSTR_TSATBL_STRPTR_CAST(#name), FMSTR_TSATBL_STRPTR_CAST(NULL), FMSTR_TSATBL_VOIDPTR_CAST(NULL), FMSTR_TSA_INFO1(name, FMSTR_TSA_INFO_STRUCT) },
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#define FMSTR_TSA_MEMBER(parenttype,name,type) \
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{ FMSTR_TSATBL_STRPTR_CAST(#name), FMSTR_TSATBL_STRPTR_CAST(type), FMSTR_TSATBL_VOIDPTR_CAST(&((parenttype*)0)->name), FMSTR_TSA_INFO1(((parenttype*)0)->name, FMSTR_TSA_INFO_MEMBER) },
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#define FMSTR_TSA_RO_VAR(name,type) \
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{ FMSTR_TSATBL_STRPTR_CAST(#name), FMSTR_TSATBL_STRPTR_CAST(type), FMSTR_TSATBL_VOIDPTR_CAST(&(name)), FMSTR_TSA_INFO1(name, FMSTR_TSA_INFO_RO_VAR) },
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#define FMSTR_TSA_RW_VAR(name,type) \
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{ FMSTR_TSATBL_STRPTR_CAST(#name), FMSTR_TSATBL_STRPTR_CAST(type), FMSTR_TSATBL_VOIDPTR_CAST(&(name)), FMSTR_TSA_INFO1(name, FMSTR_TSA_INFO_RW_VAR) },
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#define FMSTR_TSA_RO_MEM(name,type,addr,size) \
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{ FMSTR_TSATBL_STRPTR_CAST(#name), FMSTR_TSATBL_STRPTR_CAST(type), FMSTR_TSATBL_VOIDPTR_CAST(addr), FMSTR_TSA_INFO2(size, FMSTR_TSA_INFO_RO_VAR) },
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#define FMSTR_TSA_RW_MEM(name,type,addr,size) \
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{ FMSTR_TSATBL_STRPTR_CAST(#name), FMSTR_TSATBL_STRPTR_CAST(type), FMSTR_TSATBL_VOIDPTR_CAST(addr), FMSTR_TSA_INFO2(size, FMSTR_TSA_INFO_RW_VAR) },
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#define FMSTR_TSA_TABLE_END() }; \
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if(pTableSize) *pTableSize = sizeof(fmstr_tsatable); \
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return fmstr_tsatable; }
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/*///////////////////////////////////////////////////////////////////// */
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/* TSA "Base Types", all are implemented as a one-char strings */
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/* retrieved by PC and parsed according to the binary scheme */
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/* "111STTZZ" where TT=type[int,frac,fp,x] S=signed ZZ=size[1,2,4,8] */
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#define FMSTR_TSA_UINT8 "\xE0"
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#define FMSTR_TSA_UINT16 "\xE1"
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#define FMSTR_TSA_UINT32 "\xE2"
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#define FMSTR_TSA_UINT64 "\xE3"
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#define FMSTR_TSA_SINT8 "\xF0"
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#define FMSTR_TSA_SINT16 "\xF1"
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#define FMSTR_TSA_SINT32 "\xF2"
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#define FMSTR_TSA_SINT64 "\xF3"
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#define FMSTR_TSA_UFRAC16 "\xE5"
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#define FMSTR_TSA_UFRAC32 "\xE6"
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#define FMSTR_TSA_FRAC16 "\xF5"
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#define FMSTR_TSA_FRAC32 "\xF6"
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#define FMSTR_TSA_FLOAT "\xFA"
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#define FMSTR_TSA_DOUBLE "\xFB"
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/* macro used to describe "User Type" */
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#define FMSTR_TSA_USERTYPE(type) #type
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/* macro used to describe pure memory space */
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#define FMSTR_TSA_MEMORY NULL
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/*//////////////////////////////////////////////// */
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/* master TSA table-retrival building macros */
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#define FMSTR_TSA_TABLE_LIST_BEGIN() \
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const FMSTR_TSA_ENTRY* FMSTR_TsaGetTable(FMSTR_TSA_TINDEX nTableIndex, FMSTR_TSA_TSIZE* pTableSize) {
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#define FMSTR_TSA_TABLE(id) \
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if(!nTableIndex--) { \
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FMSTR_TSA_FUNC_PROTO(id); \
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return FMSTR_TSA_FUNC(id)(pTableSize); \
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} else
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#define FMSTR_TSA_TABLE_LIST_END() \
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{ return NULL; } }
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/*****************************************************************************
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Target-side Address translation functions
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******************************************************************************/
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/* master TSA table-retrival function */
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const FMSTR_TSA_ENTRY* FMSTR_TsaGetTable(FMSTR_TSA_TINDEX nTableIndex, FMSTR_TSA_TSIZE* pTableSize);
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#endif /* __FREEMASTER_TSA_H */
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