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/*
 * =====================================================================================
 *
 *       Filename:  read_ikey.c
 *
 *    Description:  this is a pli module to read the input key
 *
 *        Version:  1.0
 *        Created:  07/10/2008 09:18:10 PM
 *       Revision:  none
 *       Compiler:  gcc
 *
 *         Author:  mengxipeng@gmail.com
 *        Company:  mengxipeng
 *
 * =====================================================================================
 */
 
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <vpi_user.h>
 
 
char  data[120*8*8];
 
 
static int read_data_compile(char* used_data)
{
        vpiHandle systf_h;
        vpiHandle trarg_itr; // argument iterator
        vpiHandle trarg_h;   // argument handle;
        PLI_INT32 trarg_type; // argument type
        PLI_INT32 reg_size; // argument type
 
        systf_h=vpi_handle(vpiSysTfCall,NULL);
        if(!systf_h)
        {
                vpi_printf("ERROR: could not obtain the handle to systf call\n");
                tf_dofinish();
                return 0;
        }
 
        trarg_itr=vpi_iterate(vpiArgument, systf_h);
        if(!trarg_itr)
        {
                vpi_printf("ERROR: could not obtain the iterate to argument\n");
                tf_dofinish();
                return 0;
        }
 
        // get the first argument
        trarg_h=vpi_scan(trarg_itr);
        if(vpi_get(vpiType,trarg_h)!=vpiConstant)
        {
                if(vpi_get(vpiConstType,trarg_h)!=vpiStringConst)
                {
                        vpi_printf("the first argument type is incorrect (not a string constant)\n");
                        tf_dofinish();
                        return 0;
                }
        }
 
        // get the next argumnent
        trarg_h=vpi_scan(trarg_itr);
        trarg_type=vpi_get(vpiType,trarg_h);
        if(trarg_type==vpiConstant)
        // offset ?
        {
                if(vpi_get(vpiConstType,trarg_h)!=vpiDecConst)
                {
                        vpi_printf("[%d]the offset must be dec constant [%d] \n",vpi_get(vpiConstType,trarg_h));
                        tf_dofinish();
                        return 0;
                }
                trarg_h=vpi_scan(trarg_itr);
                trarg_type=vpi_get(vpiType,trarg_h);
        }
 
        if(trarg_type!=vpiReg)
        {
                vpi_printf("error:the current argument's type must be reg [%d]",trarg_type);
                tf_dofinish();
                return 0;
        }
 
        reg_size=vpi_get(vpiSize,trarg_h);
 
        trarg_h=vpi_scan(trarg_itr);
        if(trarg_h)
        // size argument
        {
                s_vpi_value  value_s;
                trarg_type=vpi_get(vpiType,trarg_h);
                if(trarg_type!=vpiConstant || vpi_get(vpiConstType,trarg_h)!=vpiBinaryConst)
                {
                        vpi_printf("error:size type must be a binary constant");
                        tf_dofinish();
                        return 0;
                }
                value_s.format=vpiIntVal;
                vpi_get_value(trarg_h,&value_s);
                if(value_s.value.integer*8>reg_size)
                {
                        vpi_printf("warning:size is beyond the length of the register");
                }
        }
 
        return 0;
}
 
static int read_data(char *fn)
{
        vpiHandle    systf_handle;
        vpiHandle    arg_itr;
        vpiHandle    arg_handle;
        vpiHandle    arg_handle_reg;
        PLI_INT32    arg_type;
        PLI_INT32    arg_size;
        PLI_INT32    read_size;
        s_vpi_value  value_s;
 
        FILE        *fp;
 
        systf_handle = vpi_handle(vpiSysTfCall, NULL);
        arg_itr = vpi_iterate(vpiArgument, systf_handle);
        if (arg_itr == NULL)
        {
                vpi_printf("ERROR: failed to obtain systf arg handles\n");
                tf_dofinish();
                return(0);
        }
 
        /* read file name */
        arg_handle = vpi_scan(arg_itr);
        value_s.format = vpiStringVal;
        vpi_get_value(arg_handle, &value_s);
        fp=fopen(value_s.value.str,"rb");
        if(!fp)
        {
                vpi_printf("ERROR: failed to open the file [%s]\n",value_s.value.str);
                tf_dofinish();
                return 0;
        }
 
        arg_handle = vpi_scan(arg_itr);
        arg_type=vpi_get(vpiType,arg_handle);
        arg_handle_reg=arg_handle;
        if(arg_type==vpiConstant)
        {
                value_s.format = vpiIntVal;
                vpi_get_value(arg_handle, &value_s);
                if(0<fseek(fp,value_s.value.integer,SEEK_SET))
                {
                        vpi_printf("warning: failed to seek the offset\n");
                }
 
                arg_handle_reg = vpi_scan(arg_itr);
        }
 
 
        // calute the size
        read_size=vpi_get(vpiSize,arg_handle_reg);
        arg_handle = vpi_scan(arg_itr);
        if(arg_handle)
        {
                value_s.format = vpiIntVal;
                vpi_get_value(arg_handle, &value_s);
                if(value_s.value.integer<read_size*8)
                        read_size=value_s.value.integer*8;
        }
 
        // read the value to vector
        {
                unsigned int dword;
                int i;
                int read;
                value_s.format = vpiVectorVal;
                vpi_get_value(arg_handle_reg, &value_s);
                for(i=0;i+32<=read_size;i+=32)
                {
                        read=fread(&dword,4,1,fp);
                        if(1!=read)
                        {
                                vpi_printf("warning read fail [%d] \n",read);
                                break;
                        }
                        value_s.value.vector[i/32].bval=0x00;
                        value_s.value.vector[i/32].aval=dword;
                }
                if(i<read_size)
                {
                        PLI_INT32 reduant=read_size-i;
                        PLI_INT32 reduant_mask;
                        int n;
                        reduant_mask=0;
                        for(n=0;n<reduant;n++)
                        {
                                reduant_mask |= (1<<n);
                        }
                        read=fread(&dword,reduant/8,1,fp);
                        if(1!=read)
                        {
                                vpi_printf("warning fail \n");
                        }
                        value_s.value.vector[i/32].bval&=~reduant_mask;
                        value_s.value.vector[i/32].aval&=~reduant_mask;
                        value_s.value.vector[i/32].aval|=reduant_mask&dword;
                }
                vpi_put_value(arg_handle_reg, &value_s,NULL, vpiNoDelay);
        }
        fclose(fp);
        return 0;
}
 
 
// thia vpi funciton read_data is used to read a binary to a verilog register;
//    usage: read_data ( file name,   [ offset ] ,  register name ,[size ]);
//              note offset and size argument's unit is byte
 
static void read_data_register()
{
        s_vpi_systf_data tf_data;
        tf_data.type      = vpiSysTask;
        tf_data.tfname    = "$read_data";
        tf_data.calltf    = read_data;
        tf_data.compiletf = read_data_compile;
        tf_data.sizetf    = 0;
        vpi_register_systf(&tf_data);
}
 
// write system call
// usage $write_data( file name , [ flags ,] reg)
 
static int write_data_compile(char* used_data)
{
        vpiHandle systf_h;
        vpiHandle trarg_itr; // argument iterator
        vpiHandle trarg_h;   // argument handle;
        PLI_INT32 trarg_type; // argument type
        s_vpi_value  value_s;
 
 
        systf_h=vpi_handle(vpiSysTfCall,NULL);
        if(!systf_h)
        {
                vpi_printf("ERROR: could not obtain the handle to systf call\n");
                tf_dofinish();
                return 0;
        }
 
        trarg_itr=vpi_iterate(vpiArgument, systf_h);
        if(!trarg_itr)
        {
                vpi_printf("ERROR: could not obtain the iterate to argument\n");
                tf_dofinish();
                return 0;
        }
 
 
        // get the first argument
        trarg_h=vpi_scan(trarg_itr);
        if(vpi_get(vpiType,trarg_h)!=vpiConstant&&vpi_get(vpiConstType,trarg_h)!=vpiStringConst)
        {
                vpi_printf("the first argument type is incorrect (not a string constant)\n");
                tf_dofinish();
                return 0;
        }
 
        // get flag
        trarg_h=vpi_scan(trarg_itr);
        trarg_type=vpi_get(vpiType,trarg_h);
        if(trarg_type==vpiConstant&&vpi_get(vpiConstType,trarg_h)==vpiStringConst)
        // flag
        {
                value_s.format=vpiStringVal;
                vpi_get_value(trarg_h,&value_s);
 
                if(
                           strcasecmp(value_s.value.str,"A")
                           )
                {
                        vpi_printf("error, not only support addpend A flag[%s]\n",value_s.value.str);
                        tf_dofinish();
                        return 0;
                }
 
                trarg_h=vpi_scan(trarg_itr);
                trarg_type=vpi_get(vpiType,trarg_h);
        }
 
        if(trarg_type!=vpiConstant&&trarg_type!=vpiReg&&trarg_type!=vpiPartSelect&&trarg_type!=vpiRegBit)
        {
                vpi_printf("[%d]error, the last argument is not a constant val [%d]\n",__LINE__,trarg_type);
                tf_dofinish();
                return 0;
        }
        if(trarg_type==vpiConstant)
        {
                if(0!=vpi_get(vpiConstType,trarg_h))
                {
                        vpi_printf("error, the last argument is not a sub 0 type constant val \n");
                        tf_dofinish();
                        return 0;
                }
        }
 
        return 0;
}
 
static int write_data(char *xx)
{
        vpiHandle    systf_handle;
        vpiHandle    arg_itr;
        vpiHandle    arg_handle_fn;
        vpiHandle    arg_handle;
        s_vpi_value  value_s;
 
        FILE        *fp;
 
        systf_handle = vpi_handle(vpiSysTfCall, NULL);
        if(systf_handle== NULL)
        {
                vpi_printf("ERROR: failed to obtain systf call handles\n");
                tf_dofinish();
                return(0);
        }
        arg_itr = vpi_iterate(vpiArgument, systf_handle);
        if (arg_itr == NULL)
        {
                vpi_printf("ERROR: failed to obtain systf arg handles\n");
                tf_dofinish();
                return(0);
        }
 
        /* read file name */
        arg_handle = vpi_scan(arg_itr);
        value_s.format = vpiStringVal;
        vpi_get_value(arg_handle, &value_s);
 
        arg_handle = vpi_scan(arg_itr);
        if(vpi_get(vpiType,arg_handle)==vpiConstant&&vpi_get(vpiConstType,arg_handle)==vpiStringConst)
        // flags
        {
                fp=fopen(value_s.value.str,"ab");// if have flag, then open the file with append mode
                arg_handle = vpi_scan(arg_itr);
        }
        else
        {
                fp=fopen(value_s.value.str,"wb");
        }
        if(!fp)
        {
                vpi_printf("can not open file to write\n");
                tf_dofinish();
                return 0;
        }
 
        // write data
        {
                unsigned int word;
                int b;
                int i;
                int vector_size;
                value_s.format = vpiVectorVal;
                vector_size = vpi_get(vpiSize, arg_handle);
                vpi_get_value(arg_handle, &value_s);
                for(i=0;i+32<=vector_size;i+=32)
                {
                        if(1!=fwrite(&value_s.value.vector[i/32].aval,4,1,fp))
                        {
                                vpi_printf("[%d]warning:write fail \n",__LINE__);
                        }
                }
                if(i<vector_size)
                {
                        int n;
                        unsigned char b;
                        unsigned int  last=value_s.value.vector[i/32].aval;
                        unsigned int  mask=0xff;
                        PLI_INT32 reduant=vector_size-i;
                        for(n=0;n<reduant;n+=8)
                        {
                                b=(last&(mask<<n))>>n;
                                if(1!=fwrite(&b,1,1,fp))
                                {
                                        vpi_printf("[%d]warning:write fail \n",__LINE__);
                                }
                        }
                }
                //fwrite(&value_s.value.vector[i].aval,(vector_size%32)/8,1,fp);
                fclose(fp);
        }
 
        return 0;
}
 
static void write_data_register()
{
        s_vpi_systf_data tf_data;
        tf_data.type      = vpiSysTask;
        tf_data.tfname    = "$write_data";
        tf_data.calltf    = write_data;
        tf_data.compiletf = write_data_compile;
        tf_data.sizetf    = 0;
        vpi_register_systf(&tf_data);
}
 
void (*vlog_startup_routines[])() = {
        read_data_register,
        write_data_register,
 
};
 

Line No.	Rev	Author	Line
1	13	simon111	`/*`
2			`* =====================================================================================`
3			`*`
4			`* Filename: read_ikey.c`
5			`*`
6			`* Description: this is a pli module to read the input key`
7			`*`
8			`* Version: 1.0`
9			`* Created: 07/10/2008 09:18:10 PM`
10			`* Revision: none`
11			`* Compiler: gcc`
12			`*`
13			`* Author: mengxipeng@gmail.com`
14			`* Company: mengxipeng`
15			`*`
16			`* =====================================================================================`
17			`*/`
18
19			`#include <string.h>`
20	20	simon111	`#include <stdio.h>`
21	36	simon111	`#include <errno.h>`
22	13	simon111	`#include <vpi_user.h>`
23
24
25	20	simon111	`char data[12088];`
26	13	simon111
27	36	simon111
28			`static int read_data_compile(char* used_data)`
29			`{`
30			`vpiHandle systf_h;`
31			`vpiHandle trarg_itr; // argument iterator`
32			`vpiHandle trarg_h; // argument handle;`
33			`PLI_INT32 trarg_type; // argument type`
34			`PLI_INT32 reg_size; // argument type`
35
36			`systf_h=vpi_handle(vpiSysTfCall,NULL);`
37			`if(!systf_h)`
38			`{`
39			`vpi_printf("ERROR: could not obtain the handle to systf call\n");`
40			`tf_dofinish();`
41			`return 0;`
42			`}`
43
44			`trarg_itr=vpi_iterate(vpiArgument, systf_h);`
45			`if(!trarg_itr)`
46			`{`
47			`vpi_printf("ERROR: could not obtain the iterate to argument\n");`
48			`tf_dofinish();`
49			`return 0;`
50			`}`
51
52			`// get the first argument`
53			`trarg_h=vpi_scan(trarg_itr);`
54			`if(vpi_get(vpiType,trarg_h)!=vpiConstant)`
55			`{`
56			`if(vpi_get(vpiConstType,trarg_h)!=vpiStringConst)`
57			`{`
58			`vpi_printf("the first argument type is incorrect (not a string constant)\n");`
59			`tf_dofinish();`
60			`return 0;`
61			`}`
62			`}`
63
64			`// get the next argumnent`
65			`trarg_h=vpi_scan(trarg_itr);`
66			`trarg_type=vpi_get(vpiType,trarg_h);`
67			`if(trarg_type==vpiConstant)`
68			`// offset ?`
69			`{`
70	40	simon111	`if(vpi_get(vpiConstType,trarg_h)!=vpiDecConst)`
71	36	simon111	`{`
72	40	simon111	`vpi_printf("[%d]the offset must be dec constant [%d] \n",vpi_get(vpiConstType,trarg_h));`
73	36	simon111	`tf_dofinish();`
74			`return 0;`
75			`}`
76			`trarg_h=vpi_scan(trarg_itr);`
77			`trarg_type=vpi_get(vpiType,trarg_h);`
78			`}`
79
80			`if(trarg_type!=vpiReg)`
81			`{`
82			`vpi_printf("error:the current argument's type must be reg [%d]",trarg_type);`
83			`tf_dofinish();`
84			`return 0;`
85			`}`
86
87			`reg_size=vpi_get(vpiSize,trarg_h);`
88
89			`trarg_h=vpi_scan(trarg_itr);`
90			`if(trarg_h)`
91			`// size argument`
92			`{`
93			`s_vpi_value value_s;`
94			`trarg_type=vpi_get(vpiType,trarg_h);`
95			`if(trarg_type!=vpiConstant \|\| vpi_get(vpiConstType,trarg_h)!=vpiBinaryConst)`
96			`{`
97			`vpi_printf("error:size type must be a binary constant");`
98			`tf_dofinish();`
99			`return 0;`
100			`}`
101			`value_s.format=vpiIntVal;`
102			`vpi_get_value(trarg_h,&value_s);`
103			`if(value_s.value.integer*8>reg_size)`
104			`{`
105			`vpi_printf("warning:size is beyond the length of the register");`
106			`}`
107			`}`
108
109			`return 0;`
110			`}`
111
112	13	simon111	`static int read_data(char *fn)`
113			`{`
114			`vpiHandle systf_handle;`
115			`vpiHandle arg_itr;`
116			`vpiHandle arg_handle;`
117	36	simon111	`vpiHandle arg_handle_reg;`
118			`PLI_INT32 arg_type;`
119			`PLI_INT32 arg_size;`
120			`PLI_INT32 read_size;`
121	13	simon111	`s_vpi_value value_s;`
122
123			`FILE *fp;`
124
125			`systf_handle = vpi_handle(vpiSysTfCall, NULL);`
126			`arg_itr = vpi_iterate(vpiArgument, systf_handle);`
127			`if (arg_itr == NULL)`
128			`{`
129	36	simon111	`vpi_printf("ERROR: failed to obtain systf arg handles\n");`
130			`tf_dofinish();`
131	13	simon111	`return(0);`
132			`}`
133
134			`/* read file name */`
135			`arg_handle = vpi_scan(arg_itr);`
136			`value_s.format = vpiStringVal;`
137			`vpi_get_value(arg_handle, &value_s);`
138	36	simon111	`fp=fopen(value_s.value.str,"rb");`
139			`if(!fp)`
140			`{`
141			`vpi_printf("ERROR: failed to open the file [%s]\n",value_s.value.str);`
142			`tf_dofinish();`
143			`return 0;`
144			`}`
145	13	simon111
146	36	simon111	`arg_handle = vpi_scan(arg_itr);`
147			`arg_type=vpi_get(vpiType,arg_handle);`
148			`arg_handle_reg=arg_handle;`
149			`if(arg_type==vpiConstant)`
150	13	simon111	`{`
151	36	simon111	`value_s.format = vpiIntVal;`
152			`vpi_get_value(arg_handle, &value_s);`
153			`if(0<fseek(fp,value_s.value.integer,SEEK_SET))`
154			`{`
155			`vpi_printf("warning: failed to seek the offset\n");`
156			`}`
157	35	simon111
158	36	simon111	`arg_handle_reg = vpi_scan(arg_itr);`
159			`}`
160	35	simon111
161	36	simon111
162			`// calute the size`
163			`read_size=vpi_get(vpiSize,arg_handle_reg);`
164			`arg_handle = vpi_scan(arg_itr);`
165			`if(arg_handle)`
166			`{`
167			`value_s.format = vpiIntVal;`
168			`vpi_get_value(arg_handle, &value_s);`
169			`if(value_s.value.integer<read_size*8)`
170			`read_size=value_s.value.integer*8;`
171			`}`
172
173			`// read the value to vector`
174			`{`
175			`unsigned int dword;`
176			`int i;`
177			`int read;`
178	35	simon111	`value_s.format = vpiVectorVal;`
179	36	simon111	`vpi_get_value(arg_handle_reg, &value_s);`
180	37	simon111	`for(i=0;i+32<=read_size;i+=32)`
181	35	simon111	`{`
182	37	simon111	`read=fread(&dword,4,1,fp);`
183			`if(1!=read)`
184	36	simon111	`{`
185	37	simon111	`vpi_printf("warning read fail [%d] \n",read);`
186			`break;`
187	36	simon111	`}`
188	37	simon111	`value_s.value.vector[i/32].bval=0x00;`
189			`value_s.value.vector[i/32].aval=dword;`
190	35	simon111	`}`
191	36	simon111	`if(i<read_size)`
192			`{`
193			`PLI_INT32 reduant=read_size-i;`
194			`PLI_INT32 reduant_mask;`
195			`int n;`
196			`reduant_mask=0;`
197			`for(n=0;n<reduant;n++)`
198			`{`
199			`reduant_mask \|= (1<<n);`
200			`}`
201			`read=fread(&dword,reduant/8,1,fp);`
202			`if(1!=read)`
203			`{`
204			`vpi_printf("warning fail \n");`
205			`}`
206			`value_s.value.vector[i/32].bval&=~reduant_mask;`
207			`value_s.value.vector[i/32].aval&=~reduant_mask;`
208			`value_s.value.vector[i/32].aval\|=reduant_mask&dword;`
209			`}`
210			`vpi_put_value(arg_handle_reg, &value_s,NULL, vpiNoDelay);`
211	13	simon111	`}`
212	36	simon111	`fclose(fp);`
213	13	simon111	`return 0;`
214			`}`
215
216	36	simon111
217			`// thia vpi funciton read_data is used to read a binary to a verilog register;`
218			`// usage: read_data ( file name, [ offset ] , register name ,[size ]);`
219			`// note offset and size argument's unit is byte`
220
221	13	simon111	`static void read_data_register()`
222			`{`
223			`s_vpi_systf_data tf_data;`
224			`tf_data.type = vpiSysTask;`
225			`tf_data.tfname = "$read_data";`
226			`tf_data.calltf = read_data;`
227	36	simon111	`tf_data.compiletf = read_data_compile;`
228	13	simon111	`tf_data.sizetf = 0;`
229			`vpi_register_systf(&tf_data);`
230			`}`
231
232	37	simon111	`// write system call`
233			`// usage $write_data( file name , [ flags ,] reg)`
234
235			`static int write_data_compile(char* used_data)`
236			`{`
237			`vpiHandle systf_h;`
238			`vpiHandle trarg_itr; // argument iterator`
239			`vpiHandle trarg_h; // argument handle;`
240			`PLI_INT32 trarg_type; // argument type`
241			`s_vpi_value value_s;`
242
243
244			`systf_h=vpi_handle(vpiSysTfCall,NULL);`
245			`if(!systf_h)`
246			`{`
247			`vpi_printf("ERROR: could not obtain the handle to systf call\n");`
248			`tf_dofinish();`
249			`return 0;`
250			`}`
251
252			`trarg_itr=vpi_iterate(vpiArgument, systf_h);`
253			`if(!trarg_itr)`
254			`{`
255			`vpi_printf("ERROR: could not obtain the iterate to argument\n");`
256			`tf_dofinish();`
257			`return 0;`
258			`}`
259
260
261			`// get the first argument`
262			`trarg_h=vpi_scan(trarg_itr);`
263			`if(vpi_get(vpiType,trarg_h)!=vpiConstant&&vpi_get(vpiConstType,trarg_h)!=vpiStringConst)`
264			`{`
265			`vpi_printf("the first argument type is incorrect (not a string constant)\n");`
266			`tf_dofinish();`
267			`return 0;`
268			`}`
269
270			`// get flag`
271			`trarg_h=vpi_scan(trarg_itr);`
272			`trarg_type=vpi_get(vpiType,trarg_h);`
273			`if(trarg_type==vpiConstant&&vpi_get(vpiConstType,trarg_h)==vpiStringConst)`
274			`// flag`
275			`{`
276			`value_s.format=vpiStringVal;`
277			`vpi_get_value(trarg_h,&value_s);`
278
279			`if(`
280			`strcasecmp(value_s.value.str,"A")`
281			`)`
282			`{`
283			`vpi_printf("error, not only support addpend A flag[%s]\n",value_s.value.str);`
284			`tf_dofinish();`
285			`return 0;`
286			`}`
287
288			`trarg_h=vpi_scan(trarg_itr);`
289			`trarg_type=vpi_get(vpiType,trarg_h);`
290			`}`
291
292	40	simon111	`if(trarg_type!=vpiConstant&&trarg_type!=vpiReg&&trarg_type!=vpiPartSelect&&trarg_type!=vpiRegBit)`
293	37	simon111	`{`
294	40	simon111	`vpi_printf("[%d]error, the last argument is not a constant val [%d]\n",__LINE__,trarg_type);`
295	37	simon111	`tf_dofinish();`
296			`return 0;`
297			`}`
298			`if(trarg_type==vpiConstant)`
299			`{`
300			`if(0!=vpi_get(vpiConstType,trarg_h))`
301			`{`
302			`vpi_printf("error, the last argument is not a sub 0 type constant val \n");`
303			`tf_dofinish();`
304			`return 0;`
305			`}`
306			`}`
307
308			`return 0;`
309			`}`
310
311	13	simon111	`static int write_data(char *xx)`
312			`{`
313			`vpiHandle systf_handle;`
314			`vpiHandle arg_itr;`
315	37	simon111	`vpiHandle arg_handle_fn;`
316	13	simon111	`vpiHandle arg_handle;`
317			`s_vpi_value value_s;`
318
319			`FILE *fp;`
320
321			`systf_handle = vpi_handle(vpiSysTfCall, NULL);`
322	37	simon111	`if(systf_handle== NULL)`
323			`{`
324	40	simon111	`vpi_printf("ERROR: failed to obtain systf call handles\n");`
325	37	simon111	`tf_dofinish();`
326			`return(0);`
327			`}`
328	13	simon111	`arg_itr = vpi_iterate(vpiArgument, systf_handle);`
329			`if (arg_itr == NULL)`
330			`{`
331	40	simon111	`vpi_printf("ERROR: failed to obtain systf arg handles\n");`
332	37	simon111	`tf_dofinish();`
333	13	simon111	`return(0);`
334			`}`
335
336			`/* read file name */`
337			`arg_handle = vpi_scan(arg_itr);`
338			`value_s.format = vpiStringVal;`
339			`vpi_get_value(arg_handle, &value_s);`
340
341	15	simon111	`arg_handle = vpi_scan(arg_itr);`
342	37	simon111	`if(vpi_get(vpiType,arg_handle)==vpiConstant&&vpi_get(vpiConstType,arg_handle)==vpiStringConst)`
343			`// flags`
344			`{`
345			`fp=fopen(value_s.value.str,"ab");// if have flag, then open the file with append mode`
346			`arg_handle = vpi_scan(arg_itr);`
347			`}`
348	15	simon111	`else`
349	13	simon111	`{`
350	37	simon111	`fp=fopen(value_s.value.str,"wb");`
351			`}`
352			`if(!fp)`
353			`{`
354			`vpi_printf("can not open file to write\n");`
355			`tf_dofinish();`
356			`return 0;`
357			`}`
358
359			`// write data`
360			`{`
361	35	simon111	`unsigned int word;`
362			`int b;`
363			`int i;`
364			`int vector_size;`
365			`value_s.format = vpiVectorVal;`
366			`vector_size = vpi_get(vpiSize, arg_handle);`
367	13	simon111	`vpi_get_value(arg_handle, &value_s);`
368	37	simon111	`for(i=0;i+32<=vector_size;i+=32)`
369	35	simon111	`{`
370	37	simon111	`if(1!=fwrite(&value_s.value.vector[i/32].aval,4,1,fp))`
371			`{`
372			`vpi_printf("[%d]warning:write fail \n",__LINE__);`
373			`}`
374	35	simon111	`}`
375	37	simon111	`if(i<vector_size)`
376			`{`
377			`int n;`
378			`unsigned char b;`
379			`unsigned int last=value_s.value.vector[i/32].aval;`
380			`unsigned int mask=0xff;`
381			`PLI_INT32 reduant=vector_size-i;`
382			`for(n=0;n<reduant;n+=8)`
383			`{`
384			`b=(last&(mask<<n))>>n;`
385			`if(1!=fwrite(&b,1,1,fp))`
386			`{`
387			`vpi_printf("[%d]warning:write fail \n",__LINE__);`
388			`}`
389			`}`
390			`}`
391			`//fwrite(&value_s.value.vector[i].aval,(vector_size%32)/8,1,fp);`
392	13	simon111	`fclose(fp);`
393			`}`
394
395			`return 0;`
396			`}`
397
398			`static void write_data_register()`
399			`{`
400			`s_vpi_systf_data tf_data;`
401			`tf_data.type = vpiSysTask;`
402			`tf_data.tfname = "$write_data";`
403			`tf_data.calltf = write_data;`
404	37	simon111	`tf_data.compiletf = write_data_compile;`
405	13	simon111	`tf_data.sizetf = 0;`
406			`vpi_register_systf(&tf_data);`
407			`}`
408
409			`void (*vlog_startup_routines[])() = {`
410			`read_data_register,`
411			`write_data_register,`
412
413			`};`
414

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