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verilator/include/vltstd/svdpi.h

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/* -*- C -*-
*
* svdpi.h
*
* SystemVerilog Direct Programming Interface (DPI).
*
* This file contains the constant definitions, structure definitions,
* and routine declarations used by SystemVerilog DPI.
*
* This file is from the SystemVerilog IEEE 1800-2023 Annex I.
*/
#ifndef INCLUDED_SVDPI
#define INCLUDED_SVDPI
#ifdef __cplusplus
extern "C" {
#endif
/* Define size-critical types on all OS platforms. */
#if defined (_MSC_VER)
typedef unsigned __int64 uint64_t;
typedef unsigned __int32 uint32_t;
typedef unsigned __int8 uint8_t;
typedef signed __int64 int64_t;
typedef signed __int32 int32_t;
typedef signed __int8 int8_t;
#elif defined(__MINGW32__)
#include <stdint.h>
#elif defined(__APPLE__)
#include <stdint.h>
#elif defined(__linux) || (defined(__APPLE__) && defined(__MACH__))
#include <inttypes.h>
#else
#include <sys/types.h>
#endif
/* Use to import a symbol into dll */
#ifndef DPI_DLLISPEC
#if (defined(_MSC_VER) || defined(__MINGW32__) || defined(__CYGWIN__))
#define DPI_DLLISPEC __declspec(dllimport)
#else
#define DPI_DLLISPEC
#endif
#endif
/* Use to export a symbol from dll */
#ifndef DPI_DLLESPEC
#if (defined(_MSC_VER) || defined(__MINGW32__) || defined(__CYGWIN__))
#define DPI_DLLESPEC __declspec(dllexport)
#else
#define DPI_DLLESPEC
#endif
#endif
/* Use to mark a function as external */
#ifndef DPI_EXTERN
#define DPI_EXTERN
#endif
#ifndef DPI_PROTOTYPES
#define DPI_PROTOTYPES
/* object is defined imported by the application */
#define XXTERN DPI_EXTERN DPI_DLLISPEC
/* object is exported by the application */
#define EETERN DPI_EXTERN DPI_DLLESPEC
#endif
/* canonical representation */
#define sv_0 0
#define sv_1 1
#define sv_z 2
#define sv_x 3
/* common type for 'bit' and 'logic' scalars. */
typedef uint8_t svScalar;
typedef svScalar svBit; /* scalar */
typedef svScalar svLogic; /* scalar */
/*
* DPI representation of packed arrays.
* 2-state and 4-state vectors, exactly the same as PLI's avalue/bvalue.
*/
#ifndef VPI_VECVAL
#define VPI_VECVAL
typedef struct t_vpi_vecval {
uint32_t aval;
uint32_t bval;
} s_vpi_vecval, *p_vpi_vecval;
#endif
/* (a chunk of) packed logic array */
typedef s_vpi_vecval svLogicVecVal;
/* (a chunk of) packed bit array */
typedef uint32_t svBitVecVal;
/* Number of chunks required to represent the given width packed array */
#define SV_PACKED_DATA_NELEMS(WIDTH) (((WIDTH) + 31) >> 5)
/*
* Because the contents of the unused bits is undetermined,
* the following macros can be handy.
*/
#define SV_MASK(N) (~(0xffffffffU << (N)))
#define SV_GET_UNSIGNED_BITS(VALUE, N) \
((N) == 32 ? (VALUE) : ((VALUE) & SV_MASK(N)))
#define SV_GET_SIGNED_BITS(VALUE, N) \
((N) == 32 ? (VALUE) : \
(((VALUE) & (1 << (N))) ? ((VALUE) | ~SV_MASK(N)) : ((VALUE) & SV_MASK(N))))
#ifndef VPI_TIME
#define VPI_TIME
typedef struct t_vpi_time {
int32_t type;
uint32_t high, low;
double real;
} s_vpi_time, *p_vpi_time;
#define vpiScaledRealTime 1
#define vpiSimTime 2
#define vpiSuppressTime 3
#endif
/* time value */
typedef s_vpi_time svTimeVal;
/* time value types */
#define sv_scaled_real_time vpiScaledRealTime
#define sv_sim_time vpiSimTime
/*
* Implementation-dependent representation.
*/
/*
* Return implementation version information string ("1800-2005" or "SV3.1a").
*/
XXTERN const char* svDpiVersion( void );
/* a handle to a scope (an instance of a module or interface) */
XXTERN typedef void* svScope;
/* a handle to a generic object (actually, unsized array) */
XXTERN typedef void* svOpenArrayHandle;
/*
* Bit-select utility functions.
*
* Packed arrays are assumed to be indexed n-1:0,
* where 0 is the index of LSB
*/
/* s=source, i=bit-index */
XXTERN svBit svGetBitselBit(const svBitVecVal* s, int i);
XXTERN svLogic svGetBitselLogic(const svLogicVecVal* s, int i);
/* d=destination, i=bit-index, s=scalar */
XXTERN void svPutBitselBit(svBitVecVal* d, int i, svBit s);
XXTERN void svPutBitselLogic(svLogicVecVal* d, int i, svLogic s);
/*
* Part-select utility functions.
*
* A narrow (<=32 bits) part-select is extracted from the
* source representation and written into the destination word.
*
* Normalized ranges and indexing [n-1:0] are used for both arrays.
*
* s=source, d=destination, i=starting bit index, w=width
* like for variable part-selects; limitations: w <= 32
*/
XXTERN void svGetPartselBit(svBitVecVal* d, const svBitVecVal* s, int i, int w);
XXTERN void svGetPartselLogic(svLogicVecVal* d, const svLogicVecVal* s, int i, int w);
XXTERN void svPutPartselBit(svBitVecVal* d, const svBitVecVal s, int i, int w);
XXTERN void svPutPartselLogic(svLogicVecVal* d, const svLogicVecVal s, int i, int w);
/*
* Open array querying functions
* These functions are modeled upon the SystemVerilog array
* querying functions and use the same semantics.
*
* If the dimension is 0, then the query refers to the
* packed part of an array (which is one-dimensional).
* Dimensions > 0 refer to the unpacked part of an array.
*/
/* h= handle to open array, d=dimension */
XXTERN int svLeft(const svOpenArrayHandle h, int d);
XXTERN int svRight(const svOpenArrayHandle h, int d);
XXTERN int svLow(const svOpenArrayHandle h, int d);
XXTERN int svHigh(const svOpenArrayHandle h, int d);
XXTERN int svIncrement(const svOpenArrayHandle h, int d);
XXTERN int svSize(const svOpenArrayHandle h, int d);
XXTERN int svDimensions(const svOpenArrayHandle h);
/*
* Pointer to the actual representation of the whole array of any type
* NULL if not in C layout
*/
XXTERN void *svGetArrayPtr(const svOpenArrayHandle);
/* total size in bytes or 0 if not in C layout */
XXTERN int svSizeOfArray(const svOpenArrayHandle);
/*
* Return a pointer to an element of the array
* or NULL if index outside the range or null pointer
*/
XXTERN void *svGetArrElemPtr(const svOpenArrayHandle, int indx1, ...);
/* specialized versions for 1-, 2- and 3-dimensional arrays: */
XXTERN void *svGetArrElemPtr1(const svOpenArrayHandle, int indx1);
XXTERN void *svGetArrElemPtr2(const svOpenArrayHandle, int indx1, int indx2);
XXTERN void *svGetArrElemPtr3(const svOpenArrayHandle, int indx1, int indx2,
int indx3);
/*
* Functions for copying between simulator storage and user space.
* These functions copy the whole packed array in either direction.
* The user is responsible for allocating an array to hold the
* canonical representation.
*/
/* s=source, d=destination */
/* From user space into simulator storage */
XXTERN void svPutBitArrElemVecVal(const svOpenArrayHandle d, const svBitVecVal* s,
int indx1, ...);
XXTERN void svPutBitArrElem1VecVal(const svOpenArrayHandle d, const svBitVecVal* s,
int indx1);
XXTERN void svPutBitArrElem2VecVal(const svOpenArrayHandle d, const svBitVecVal* s,
int indx1, int indx2);
XXTERN void svPutBitArrElem3VecVal(const svOpenArrayHandle d, const svBitVecVal* s,
int indx1, int indx2, int indx3);
XXTERN void svPutLogicArrElemVecVal(const svOpenArrayHandle d, const svLogicVecVal* s,
int indx1, ...);
XXTERN void svPutLogicArrElem1VecVal(const svOpenArrayHandle d, const svLogicVecVal* s,
int indx1);
XXTERN void svPutLogicArrElem2VecVal(const svOpenArrayHandle d, const svLogicVecVal* s,
int indx1, int indx2);
XXTERN void svPutLogicArrElem3VecVal(const svOpenArrayHandle d, const svLogicVecVal* s,
int indx1, int indx2, int indx3);
/* From simulator storage into user space */
XXTERN void svGetBitArrElemVecVal(svBitVecVal* d, const svOpenArrayHandle s,
int indx1, ...);
XXTERN void svGetBitArrElem1VecVal(svBitVecVal* d, const svOpenArrayHandle s,
int indx1);
XXTERN void svGetBitArrElem2VecVal(svBitVecVal* d, const svOpenArrayHandle s,
int indx1, int indx2);
XXTERN void svGetBitArrElem3VecVal(svBitVecVal* d, const svOpenArrayHandle s,
int indx1, int indx2, int indx3);
XXTERN void svGetLogicArrElemVecVal(svLogicVecVal* d, const svOpenArrayHandle s,
int indx1, ...);
XXTERN void svGetLogicArrElem1VecVal(svLogicVecVal* d, const svOpenArrayHandle s,
int indx1);
XXTERN void svGetLogicArrElem2VecVal(svLogicVecVal* d, const svOpenArrayHandle s,
int indx1, int indx2);
XXTERN void svGetLogicArrElem3VecVal(svLogicVecVal* d, const svOpenArrayHandle s,
int indx1, int indx2, int indx3);
XXTERN svBit svGetBitArrElem(const svOpenArrayHandle s, int indx1, ...);
XXTERN svBit svGetBitArrElem1(const svOpenArrayHandle s, int indx1);
XXTERN svBit svGetBitArrElem2(const svOpenArrayHandle s, int indx1, int indx2);
XXTERN svBit svGetBitArrElem3(const svOpenArrayHandle s, int indx1, int indx2,
int indx3);
XXTERN svLogic svGetLogicArrElem(const svOpenArrayHandle s, int indx1, ...);
XXTERN svLogic svGetLogicArrElem1(const svOpenArrayHandle s, int indx1);
XXTERN svLogic svGetLogicArrElem2(const svOpenArrayHandle s, int indx1, int indx2);
XXTERN svLogic svGetLogicArrElem3(const svOpenArrayHandle s, int indx1, int indx2,
int indx3);
XXTERN void svPutLogicArrElem(const svOpenArrayHandle d, svLogic value, int indx1,
...);
XXTERN void svPutLogicArrElem1(const svOpenArrayHandle d, svLogic value, int indx1);
XXTERN void svPutLogicArrElem2(const svOpenArrayHandle d, svLogic value, int indx1,
int indx2);
XXTERN void svPutLogicArrElem3(const svOpenArrayHandle d, svLogic value, int indx1,
int indx2, int indx3);
XXTERN void svPutBitArrElem(const svOpenArrayHandle d, svBit value, int indx1, ...);
XXTERN void svPutBitArrElem1(const svOpenArrayHandle d, svBit value, int indx1);
XXTERN void svPutBitArrElem2(const svOpenArrayHandle d, svBit value, int indx1,
int indx2);
XXTERN void svPutBitArrElem3(const svOpenArrayHandle d, svBit value, int indx1,
int indx2, int indx3);
/* Functions for working with DPI context */
/*
* Retrieve the active instance scope currently associated with the executing
* imported function. Unless a prior call to svSetScope has occurred, this
* is the scope of the function's declaration site, not call site.
* Returns NULL if called from C code that is *not* an imported function.
*/
XXTERN svScope svGetScope( void );
/*
* Set context for subsequent export function execution.
* This function shall be called before calling an export function, unless
* the export function is called while executing an import function. In that
* case the export function shall inherit the scope of the surrounding import
* function. This is known as the "default scope".
* The return is the previous active scope (per svGetScope)
*/
XXTERN svScope svSetScope(const svScope scope);
/* Gets the fully qualified name of a scope handle */
XXTERN const char* svGetNameFromScope(const svScope);
/*
* Retrieve svScope to instance scope of an arbitrary function declaration.
* (can be either module, program, interface, or generate scope)
* The return value shall be NULL for unrecognized scope names.
*/
XXTERN svScope svGetScopeFromName(const char* scopeName);
/*
* Store an arbitrary user data pointer for later retrieval by svGetUserData()
* The userKey is generated by the user. It needs to be guaranteed by the user to
* be unique from all other userKey's for all unique data storage requirements
* It is recommended that the address of static functions or variables in the
* user's C code be used as the userKey.
* It is illegal to pass in NULL values for either the scope or userData
* arguments. It is also an error to call svPutUserData() with an invalid
* svScope. This function returns -1 for all error cases, 0 upon success. It is
* suggested that userData values of 0 (NULL) not be used as otherwise it can
* be impossible to discern error status returns when calling svGetUserData()
*/
XXTERN int svPutUserData(const svScope scope, void *userKey, void* userData);
/*
* Retrieve an arbitrary user data pointer that was previously
* stored by a call to svPutUserData(). See the comment above
* svPutUserData() for an explanation of userKey, as well as
* restrictions on NULL and illegal svScope and userKey values.
* This function returns NULL for all error cases, 0 upon success.
* This function also returns NULL in the event that a prior call
* to svPutUserData() was never made.
*/
XXTERN void* svGetUserData(const svScope scope, void* userKey);
/*
* Returns the file and line number in the SV code from which the import call
* was made. If this information available, returns TRUE and updates fileName
* and lineNumber to the appropriate values. Behavior is unpredictable if
* fileName or lineNumber are not appropriate pointers. If this information is
* not available return FALSE and contents of fileName and lineNumber not
* modified. Whether this information is available or not is implementation-
* specific. Note that the string provided (if any) is owned by the SV
* implementation and is valid only until the next call to any SV function.
* Applications shall not modify this string or free it.
*/
XXTERN int svGetCallerInfo(const char** fileName, int *lineNumber);
/*
* Returns 1 if the current execution thread is in the disabled state.
* Disable protocol shall be adhered to if in the disabled state.
*/
XXTERN int svIsDisabledState( void );
/*
* Imported functions call this API function during disable processing to
* acknowledge that they are correctly participating in the DPI disable protocol.
* This function shall be called before returning from an imported function that is
* in the disabled state.
*/
XXTERN void svAckDisabledState( void );
/* Mantis 5713/D9
* Retrieve the current simulation time, scaled to the time unit of the scope.
* If scope is NULL, then time is scaled to the simulation time unit.
* It is an error to call svGetTime() with an invalid svScope.
* This function returns -1 for all error cases, 0 upon success.
*/
XXTERN int svGetTime(const svScope scope, svTimeVal* time);
/*
* Retrieve the time unit for scope.
* If scope is NULL, then simulation time unit is retrieved.
* It is an error to call svGetTimeUnit() with an invalid svScope.
* This function returns -1 for all error cases, 0 upon success.
*/
XXTERN int svGetTimeUnit(const svScope scope, int32_t* time_unit);
/*
* Retrieve the time precision for scope.
* If scope is NULL, then simulation time unit is retrieved.
* It is an error to call svGetTimePrecision() with an invalid svScope.
* This function returns -1 for all error cases, 0 upon success.
*/
XXTERN int svGetTimePrecision(const svScope scope, int32_t* time_precision);
/*
**********************************************************
* DEPRECATED PORTION OF FILE STARTS FROM HERE.
* IEEE-1800-compliant tools may not provide
* support for the following functionality.
**********************************************************
*/
/*
* Canonical representation of packed arrays
* 2-state and 4-state vectors, modeled upon PLI's avalue/bvalue
*/
#define SV_CANONICAL_SIZE(WIDTH) (((WIDTH)+31)>>5)
typedef unsigned int svBitVec32;/* (a chunk of) packed bit array */
typedef struct { unsigned int c; unsigned int d;}
svLogicVec32; /* (a chunk of) packed logic array */
/* reference to a standalone packed array */
typedef void* svBitPackedArrRef;
typedef void* svLogicPackedArrRef;
/*
* total size in bytes of the simulator's representation of a packed array
* width in bits
*/
XXTERN int svSizeOfBitPackedArr(int width);
XXTERN int svSizeOfLogicPackedArr(int width);
/* Translation between the actual representation and the canonical representation */
/* s=source, d=destination, w=width */
/* actual <-- canonical */
XXTERN void svPutBitVec32(svBitPackedArrRef d, const svBitVec32* s, int w);
XXTERN void svPutLogicVec32(svLogicPackedArrRef d, const svLogicVec32* s, int w);
/* canonical <-- actual */
XXTERN void svGetBitVec32(svBitVec32* d, const svBitPackedArrRef s, int w);
XXTERN void svGetLogicVec32(svLogicVec32* d, const svLogicPackedArrRef s, int w);
/*
* Bit-select functions
* Packed arrays are assumed to be indexed n-1:0,
* where 0 is the index of LSB
*/
/* s=source, i=bit-index */
XXTERN svBit svGetSelectBit(const svBitPackedArrRef s, int i);
XXTERN svLogic svGetSelectLogic(const svLogicPackedArrRef s, int i);
/* d=destination, i=bit-index, s=scalar */
XXTERN void svPutSelectBit(svBitPackedArrRef d, int i, svBit s);
XXTERN void svPutSelectLogic(svLogicPackedArrRef d, int i, svLogic s);
/*
* functions for part-select
*
* a narrow (<=32 bits) part-select is copied between
* the implementation representation and a single chunk of
* canonical representation
* Normalized ranges and indexing [n-1:0] are used for both arrays:
* the array in the implementation representation and the canonical array.
*
* s=source, d=destination, i=starting bit index, w=width
* like for variable part-selects; limitations: w <= 32
*/
/* canonical <-- actual */
XXTERN void svGetPartSelectBit(svBitVec32* d, const svBitPackedArrRef s,
int i, int w);
XXTERN svBitVec32 svGetBits(const svBitPackedArrRef s, int i, int w);
XXTERN svBitVec32 svGet32Bits(const svBitPackedArrRef s, int i); /* 32-bits */
XXTERN uint64_t svGet64Bits(const svBitPackedArrRef s, int i);
/* 64-bits */
XXTERN void svGetPartSelectLogic(svLogicVec32* d, const svLogicPackedArrRef s,
int i, int w);
/* actual <-- canonical */
XXTERN void svPutPartSelectBit(svBitPackedArrRef d, const svBitVec32 s,
int i, int w);
XXTERN void svPutPartSelectLogic(svLogicPackedArrRef d, const svLogicVec32* s,
int i, int w);
/*
* Functions for open array translation between simulator and canonical
* representations. These functions copy the whole packed array in either
* direction. The user is responsible for allocating an array in the
* canonical representation.
*/
/* s=source, d=destination */
/* actual <-- canonical */
XXTERN void svPutBitArrElemVec32(const svOpenArrayHandle d, const svBitVec32* s,
int indx1, ...);
XXTERN void svPutBitArrElem1Vec32(const svOpenArrayHandle d, const svBitVec32* s,
int indx1);
XXTERN void svPutBitArrElem2Vec32(const svOpenArrayHandle d, const svBitVec32* s,
int indx1, int indx2);
XXTERN void svPutBitArrElem3Vec32(const svOpenArrayHandle d, const svBitVec32* s,
int indx1, int indx2, int indx3);
XXTERN void svPutLogicArrElemVec32(const svOpenArrayHandle d, const svLogicVec32* s,
int indx1, ...);
XXTERN void svPutLogicArrElem1Vec32(const svOpenArrayHandle d, const svLogicVec32* s,
int indx1);
XXTERN void svPutLogicArrElem2Vec32(const svOpenArrayHandle d, const svLogicVec32* s,
int indx1, int indx2);
XXTERN void svPutLogicArrElem3Vec32(const svOpenArrayHandle d, const svLogicVec32* s,
int indx1, int indx2, int indx3);
/* canonical <-- actual */
XXTERN void svGetBitArrElemVec32(svBitVec32* d, const svOpenArrayHandle s,
int indx1, ...);
XXTERN void svGetBitArrElem1Vec32(svBitVec32* d, const svOpenArrayHandle s,
int indx1);
XXTERN void svGetBitArrElem2Vec32(svBitVec32* d, const svOpenArrayHandle s,
int indx1, int indx2);
XXTERN void svGetBitArrElem3Vec32(svBitVec32* d, const svOpenArrayHandle s,
int indx1, int indx2, int indx3);
XXTERN void svGetLogicArrElemVec32(svLogicVec32* d, const svOpenArrayHandle s,
int indx1, ...);
XXTERN void svGetLogicArrElem1Vec32(svLogicVec32* d, const svOpenArrayHandle s,
int indx1);
XXTERN void svGetLogicArrElem2Vec32(svLogicVec32* d, const svOpenArrayHandle s,
int indx1, int indx2);
XXTERN void svGetLogicArrElem3Vec32(svLogicVec32* d, const svOpenArrayHandle s,
int indx1, int indx2, int indx3);
/*
**********************************************************
* DEPRECATED PORTION OF FILE ENDS HERE.
**********************************************************
*/
#undef DPI_EXTERN
#ifdef DPI_PROTOTYPES
#undef DPI_PROTOTYPES
#undef XXTERN
#undef EETERN
#endif
#ifdef __cplusplus
}
#endif
#endif
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