OpenCores
URL https://opencores.org/ocsvn/zipcpu/zipcpu/trunk

Subversion Repositories zipcpu

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  • This comparison shows the changes necessary to convert path 
    /zipcpu
    from Rev 186 to Rev 185
    ↔ Reverse comparison
  •

Rev 186 → Rev 185

/trunk/bench/cpp/pdump.cpp
50,290 → 50,6
return a.clks < b.clks;
}
 
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <libelf.h>
#include <gelf.h>
 
 
bool iself(const char *fname) {
FILE *fp;
bool ret = true;
fp = fopen(fname, "rb");
 
if (!fp) return false;
if (0x7f != fgetc(fp)) ret = false;
if ('E' != fgetc(fp)) ret = false;
if ('L' != fgetc(fp)) ret = false;
if ('F' != fgetc(fp)) ret = false;
fclose(fp);
return ret;
 
}
 
 
long fgetwords(FILE *fp) {
// Return the number of words in the current file, and return the
// file as though it had never been adjusted
long fpos, flen;
fpos = ftell(fp);
if (0 != fseek(fp, 0l, SEEK_END)) {
fprintf(stderr, "ERR: Could not determine file size\n");
perror("O/S Err:");
exit(-2);
} flen = ftell(fp);
if (0 != fseek(fp, fpos, SEEK_SET)) {
fprintf(stderr, "ERR: Could not seek on file\n");
perror("O/S Err:");
exit(-2);
} flen /= sizeof(ZIPI);
return flen;
}
 
class SECTION {
public:
unsigned m_start, m_len;
ZIPI m_data[1];
};
 
SECTION **singlesection(int nwords) {
fprintf(stderr, "NWORDS = %d\n", nwords);
size_t sz = (2*(sizeof(SECTION)+sizeof(SECTION *))
+(nwords-1)*(sizeof(ZIPI)));
char *d = (char *)malloc(sz);
SECTION **r = (SECTION **)d;
memset(r, 0, sz);
r[0] = (SECTION *)(&d[2*sizeof(SECTION *)]);
r[0]->m_len = nwords;
r[1] = (SECTION *)(&r[0]->m_data[r[0]->m_len]);
r[0]->m_start = 0;
r[1]->m_start = 0;
r[1]->m_len = 0;
 
return r;
}
 
/*
SECTION **rawsection(const char *fname) {
SECTION **secpp, *secp;
unsigned num_words;
FILE *fp;
int nr;
 
fp = fopen(fname, "r");
if (fp == NULL) {
fprintf(stderr, "Could not open: %s\n", fname);
exit(-1);
}
 
if ((num_words=fgetwords(fp)) > MEMWORDS) {
fprintf(stderr, "File overruns Block RAM\n");
exit(-1);
}
secpp = singlesection(num_words);
secp = secpp[0];
secp->m_start = RAMBASE;
secp->m_len = num_words;
nr= fread(secp->m_data, sizeof(ZIPI), num_words, fp);
if (nr != (int)num_words) {
fprintf(stderr, "Could not read entire file\n");
perror("O/S Err:");
exit(-2);
} assert(secpp[1]->m_len == 0);
 
return secpp;
}*/
 
unsigned byteswap(unsigned n) {
unsigned r;
 
r = (n&0x0ff); n>>= 8;
r = (r<<8) | (n&0x0ff); n>>= 8;
r = (r<<8) | (n&0x0ff); n>>= 8;
r = (r<<8) | (n&0x0ff); n>>= 8;
 
return r;
}
 
void elfread(const char *fname, unsigned &entry, SECTION **&sections) {
Elf *e;
int fd, i;
size_t n;
char *id;
Elf_Kind ek;
GElf_Ehdr ehdr;
GElf_Phdr phdr;
const bool dbg = false;
 
if (elf_version(EV_CURRENT) == EV_NONE) {
fprintf(stderr, "ELF library initialization err, %s\n", elf_errmsg(-1));
perror("O/S Err:");
exit(EXIT_FAILURE);
} if ((fd = open(fname, O_RDONLY, 0)) < 0) {
fprintf(stderr, "Could not open %s\n", fname);
perror("O/S Err:");
exit(EXIT_FAILURE);
} if ((e = elf_begin(fd, ELF_C_READ, NULL))==NULL) {
fprintf(stderr, "Could not run elf_begin, %s\n", elf_errmsg(-1));
exit(EXIT_FAILURE);
}
 
ek = elf_kind(e);
if (ek == ELF_K_ELF) {
; // This is the kind of file we should expect
} else if (ek == ELF_K_AR) {
fprintf(stderr, "Cannot run an archive!\n");
exit(EXIT_FAILURE);
} else if (ek == ELF_K_NONE) {
;
} else {
fprintf(stderr, "Unexpected ELF file kind!\n");
exit(EXIT_FAILURE);
}
 
if (gelf_getehdr(e, &ehdr) == NULL) {
fprintf(stderr, "getehdr() failed: %s\n", elf_errmsg(-1));
exit(EXIT_FAILURE);
} if ((i=gelf_getclass(e)) == ELFCLASSNONE) {
fprintf(stderr, "getclass() failed: %s\n", elf_errmsg(-1));
exit(EXIT_FAILURE);
} if ((id = elf_getident(e, NULL)) == NULL) {
fprintf(stderr, "getident() failed: %s\n", elf_errmsg(-1));
exit(EXIT_FAILURE);
} if (i != ELFCLASS32) {
fprintf(stderr, "This is a 64-bit ELF file, ZipCPU ELF files are all 32-bit\n");
exit(EXIT_FAILURE);
}
 
if (dbg) {
printf(" %-20s 0x%jx\n", "e_type", (uintmax_t)ehdr.e_type);
printf(" %-20s 0x%jx\n", "e_machine", (uintmax_t)ehdr.e_machine);
printf(" %-20s 0x%jx\n", "e_version", (uintmax_t)ehdr.e_version);
printf(" %-20s 0x%jx\n", "e_entry", (uintmax_t)ehdr.e_entry);
printf(" %-20s 0x%jx\n", "e_phoff", (uintmax_t)ehdr.e_phoff);
printf(" %-20s 0x%jx\n", "e_shoff", (uintmax_t)ehdr.e_shoff);
printf(" %-20s 0x%jx\n", "e_flags", (uintmax_t)ehdr.e_flags);
printf(" %-20s 0x%jx\n", "e_ehsize", (uintmax_t)ehdr.e_ehsize);
printf(" %-20s 0x%jx\n", "e_phentsize", (uintmax_t)ehdr.e_phentsize);
printf(" %-20s 0x%jx\n", "e_shentsize", (uintmax_t)ehdr.e_shentsize);
printf("\n");
}
 
 
// Check whether or not this is an ELF file for the ZipCPU ...
if (ehdr.e_machine != 0x0dadd) {
fprintf(stderr, "This is not a ZipCPU ELF file\n");
exit(EXIT_FAILURE);
}
 
// Get our entry address
entry = ehdr.e_entry;
 
 
// Now, let's go look at the program header
if (elf_getphdrnum(e, &n) != 0) {
fprintf(stderr, "elf_getphdrnum() failed: %s\n", elf_errmsg(-1));
exit(EXIT_FAILURE);
}
 
unsigned total_octets = 0, current_offset=0, current_section=0;
for(i=0; i<(int)n; i++) {
total_octets += sizeof(SECTION *)+sizeof(SECTION);
 
if (gelf_getphdr(e, i, &phdr) != &phdr) {
fprintf(stderr, "getphdr() failed: %s\n", elf_errmsg(-1));
exit(EXIT_FAILURE);
}
 
if (dbg) {
printf(" %-20s 0x%x\n", "p_type", phdr.p_type);
printf(" %-20s 0x%jx\n", "p_offset", phdr.p_offset);
printf(" %-20s 0x%jx\n", "p_vaddr", phdr.p_vaddr);
printf(" %-20s 0x%jx\n", "p_paddr", phdr.p_paddr);
printf(" %-20s 0x%jx\n", "p_filesz", phdr.p_filesz);
printf(" %-20s 0x%jx\n", "p_memsz", phdr.p_memsz);
printf(" %-20s 0x%x [", "p_flags", phdr.p_flags);
 
if (phdr.p_flags & PF_X) printf(" Execute");
if (phdr.p_flags & PF_R) printf(" Read");
if (phdr.p_flags & PF_W) printf(" Write");
printf("]\n");
printf(" %-20s 0x%jx\n", "p_align", phdr.p_align);
}
 
total_octets += phdr.p_memsz;
}
 
char *d = (char *)malloc(total_octets + sizeof(SECTION)+sizeof(SECTION *));
memset(d, 0, total_octets);
 
SECTION **r = sections = (SECTION **)d;
current_offset = (n+1)*sizeof(SECTION *);
current_section = 0;
 
for(i=0; i<(int)n; i++) {
r[i] = (SECTION *)(&d[current_offset]);
 
if (gelf_getphdr(e, i, &phdr) != &phdr) {
fprintf(stderr, "getphdr() failed: %s\n", elf_errmsg(-1));
exit(EXIT_FAILURE);
}
 
if (dbg) {
printf(" %-20s 0x%jx\n", "p_offset", phdr.p_offset);
printf(" %-20s 0x%jx\n", "p_vaddr", phdr.p_vaddr);
printf(" %-20s 0x%jx\n", "p_paddr", phdr.p_paddr);
printf(" %-20s 0x%jx\n", "p_filesz", phdr.p_filesz);
printf(" %-20s 0x%jx\n", "p_memsz", phdr.p_memsz);
printf(" %-20s 0x%x [", "p_flags", phdr.p_flags);
 
if (phdr.p_flags & PF_X) printf(" Execute");
if (phdr.p_flags & PF_R) printf(" Read");
if (phdr.p_flags & PF_W) printf(" Write");
printf("]\n");
 
printf(" %-20s 0x%jx\n", "p_align", phdr.p_align);
}
 
current_section++;
 
r[i]->m_start = phdr.p_vaddr;
r[i]->m_len = phdr.p_filesz/ sizeof(ZIPI);
 
current_offset += phdr.p_memsz + sizeof(SECTION);
 
// Now, let's read in our section ...
if (lseek(fd, phdr.p_offset, SEEK_SET) < 0) {
fprintf(stderr, "Could not seek to file position %08lx\n", phdr.p_offset);
perror("O/S Err:");
exit(EXIT_FAILURE);
} if (phdr.p_filesz > phdr.p_memsz)
phdr.p_filesz = 0;
if (read(fd, r[i]->m_data, phdr.p_filesz) != (int)phdr.p_filesz) {
fprintf(stderr, "Didnt read entire section\n");
perror("O/S Err:");
exit(EXIT_FAILURE);
}
 
// Next, we need to byte swap it from big to little endian
for(unsigned j=0; j<r[i]->m_len; j++)
r[i]->m_data[j] = byteswap(r[i]->m_data[j]);
 
if (dbg) for(unsigned j=0; j<r[i]->m_len; j++)
fprintf(stderr, "ADR[%04x] = %08x\n", r[i]->m_start+j,
r[i]->m_data[j]);
}
 
r[i] = (SECTION *)(&d[current_offset]);
r[current_section]->m_start = 0;
r[current_section]->m_len = 0;
 
elf_end(e);
close(fd);
}
 
void dump_file(const char *fn) {
const int NZIP = 4096;
char lna[NZIP], lnb[NZIP];
340,9 → 56,13
ZIPI ibuf[NZIP];
FILE *fp, *pf;
int nr;
unsigned addr=0x0100000, mina = -1, maxa = 0,
unsigned addr=0x08000, mina = -1, maxa = 0,
*pfcnt = NULL, *pfclk = NULL;
 
fp = fopen(fn, "r");
if (!fp)
return;
 
pf = fopen("pfile.bin","rb");
if (pf) {
ALT *pfalt;
384,58 → 104,26
}
 
printf("%s:\n", fn);
if (iself(fn)) {
SECTION **secpp=NULL, *secp;
unsigned entry;
elfread(fn, entry, secpp);
for(int i=0; secpp[i]->m_len; i++) {
secp = secpp[i];
for(unsigned j=0; j<secp->m_len; j++) {
ZIPI w = secp->m_data[j],a = secp->m_start+j;
zipi_to_string(secp->m_data[j], lna, lnb);
// printf("%s\n", ln);
printf("%08x[%08x-%08x]: (0x%08x %c%c%c%c) ",
secp->m_start+j, maxa, mina, w,
isgraph((w>>24)&0x0ff)?((w>>24)&0x0ff) : '.',
isgraph((w>>16)&0x0ff)?((w>>16)&0x0ff) : '.',
isgraph((w>> 8)&0x0ff)?((w>> 8)&0x0ff) : '.',
isgraph((w )&0x0ff)?((w )&0x0ff) : '.'
);
if ((a>=mina)&&(a<maxa)&&(pfcnt))
printf("%8d %8d ", pfcnt[a-mina], pfclk[a-mina]);
printf("%s\n", lna);
if (lnb[0])
printf("%26s%s\n", "", lnb);
}
while((nr=fread(ibuf, sizeof(ZIPI), NZIP, fp))>0) {
for(int i=0; i<nr; i++) {
zipi_to_string(ibuf[i], lna, lnb);
// printf("%s\n", ln);
printf("%08x: (0x%08x %c%c%c%c) ", addr,
ibuf[i],
isgraph((ibuf[i]>>24)&0x0ff)?((ibuf[i]>>24)&0x0ff) : '.',
isgraph((ibuf[i]>>16)&0x0ff)?((ibuf[i]>>16)&0x0ff) : '.',
isgraph((ibuf[i]>> 8)&0x0ff)?((ibuf[i]>> 8)&0x0ff) : '.',
isgraph((ibuf[i] )&0x0ff)?((ibuf[i] )&0x0ff) : '.'
);
if (pfcnt)
printf("%8d %8d ", pfcnt[addr-mina], pfclk[addr-mina]);
printf("%s\n", lna);
if (lnb[0])
printf("%26s%s\n", "", lnb);
 
addr++;
}
} else {
fp = fopen(fn, "r");
if (!fp)
return;
 
while((nr=fread(ibuf, sizeof(ZIPI), NZIP, fp))>0) {
for(int i=0; i<nr; i++) {
zipi_to_string(ibuf[i], lna, lnb);
// printf("%s\n", ln);
printf("%08x[%08x-%08x]: (0x%08x %c%c%c%c) ", addr,
maxa, mina,
ibuf[i],
isgraph((ibuf[i]>>24)&0x0ff)?((ibuf[i]>>24)&0x0ff) : '.',
isgraph((ibuf[i]>>16)&0x0ff)?((ibuf[i]>>16)&0x0ff) : '.',
isgraph((ibuf[i]>> 8)&0x0ff)?((ibuf[i]>> 8)&0x0ff) : '.',
isgraph((ibuf[i] )&0x0ff)?((ibuf[i] )&0x0ff) : '.'
);
if ((addr>=mina)&&(addr<maxa)&&(pfcnt))
printf("%8d %8d ", pfcnt[addr-mina], pfclk[addr-mina]);
printf("%s\n", lna);
if (lnb[0])
printf("%26s%s\n", "", lnb);
 
addr++;
} if (nr < NZIP)
break;
} fclose(fp);
}
} fclose(fp);
}
 
int main(int argc, char **argv) {

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