/*-------------------------------------------------------------------*/
static S64 ARCH_DEP(read_file)(char *fname, CREG sto, S64 seek, S64 size)
{
int fd, nread;
U64 totread = 0;
fd = HOPEN (fname, O_RDONLY|O_BINARY);
if (fd < 0)
{
if(errno != ENOENT)
WRMSG (HHC00600, "E", fname, "open()", strerror(errno));
return -1;
}
if(lseek(fd, (off_t)seek, SEEK_SET) == (off_t)seek)
{
#if defined(FEATURE_ESAME)
sto &= ASCE_TO;
#else /*!defined(FEATURE_ESAME)*/
sto &= STD_STO;
#endif /*!defined(FEATURE_ESAME)*/
for( ; size > 0 ; sto += sizeof(sto))
{
#if defined(FEATURE_ESAME)
DBLWRD *ste;
#else /*!defined(FEATURE_ESAME)*/
FWORD *ste;
#endif /*!defined(FEATURE_ESAME)*/
CREG pto, pti;
/* Fetch segment table entry and calc Page Table Origin */
if( sto >= sysblk.mainsize)
goto eof;
#if defined(FEATURE_ESAME)
ste = (DBLWRD*)(sysblk.mainstor + sto);
#else /*!defined(FEATURE_ESAME)*/
ste = (FWORD*)(sysblk.mainstor + sto);
#endif /*!defined(FEATURE_ESAME)*/
FETCH_W(pto, ste);
STORAGE_KEY(sto, &sysblk) |= (STORKEY_REF);
if( pto & SEGTAB_INVALID )
goto eof;
#if defined(FEATURE_ESAME)
pto &= ZSEGTAB_PTO;
#else /*!defined(FEATURE_ESAME)*/
pto &= SEGTAB_PTO;
#endif /*!defined(FEATURE_ESAME)*/
for(pti = 0; pti < 256 && size > 0; pti++, pto += sizeof(pto))
{
#if defined(FEATURE_ESAME)
DBLWRD *pte;
#else /*!defined(FEATURE_ESAME)*/
FWORD *pte;
#endif /*!defined(FEATURE_ESAME)*/
CREG pgo;
BYTE *page;
/* Fetch Page Table Entry to get page origin */
if( pto >= sysblk.mainsize)
goto eof;
#if defined(FEATURE_ESAME)
pte = (DBLWRD*)(sysblk.mainstor + pto);
#else /*!defined(FEATURE_ESAME)*/
pte = (FWORD*)(sysblk.mainstor + pto);
#endif /*!defined(FEATURE_ESAME)*/
FETCH_W(pgo, pte);
STORAGE_KEY(pto, &sysblk) |= (STORKEY_REF);
if( pgo & PAGETAB_INVALID )
goto eof;
#if defined(FEATURE_ESAME)
pgo &= ZPGETAB_PFRA;
#else /*!defined(FEATURE_ESAME)*/
pgo &= PAGETAB_PFRA;
#endif /*!defined(FEATURE_ESAME)*/
/* Read page into main storage */
if( pgo >= sysblk.mainsize)
goto eof;
page = sysblk.mainstor + pgo;
nread = read(fd, page, STORAGE_KEY_PAGESIZE);
totread += nread;
size -= nread;
if( nread != STORAGE_KEY_PAGESIZE )
goto eof;
STORAGE_KEY(pgo, &sysblk) |= (STORKEY_REF|STORKEY_CHANGE);
}
}
}
eof:
close(fd);
return totread;
}
/*-------------------------------------------------------------------*/
static void ARCH_DEP(hwl_loadfile)(SCCB_HWL_BK *hwl_bk)
{
CREG sto;
U32 size;
int fd;
fd = open (hwl_fn[hwl_bk->file], O_RDONLY|O_BINARY);
if (fd < 0)
{
logmsg (_("HHCHL002I %s open error: %s\n"),
hwl_fn[hwl_bk->file], strerror(errno));
return;
}
// else
// logmsg(_("HHCHL004I Loading %s\n"),hwl_fn[hwl_bk->file]);
FETCH_FW(size,hwl_bk->size);
/* Segment Table Origin */
FETCH_DW(sto,hwl_bk->sto);
#if defined(FEATURE_ESAME)
sto &= ASCE_TO;
#else /*!defined(FEATURE_ESAME)*/
sto &= STD_STO;
#endif /*!defined(FEATURE_ESAME)*/
for( ; ; sto += sizeof(sto))
{
#if defined(FEATURE_ESAME)
DBLWRD *ste;
#else /*!defined(FEATURE_ESAME)*/
FWORD *ste;
#endif /*!defined(FEATURE_ESAME)*/
CREG pto, pti;
/* Fetch segment table entry and calculate Page Table Origin */
if( sto >= sysblk.mainsize)
goto eof;
#if defined(FEATURE_ESAME)
ste = (DBLWRD*)(sysblk.mainstor + sto);
#else /*!defined(FEATURE_ESAME)*/
ste = (FWORD*)(sysblk.mainstor + sto);
#endif /*!defined(FEATURE_ESAME)*/
FETCH_W(pto, ste);
if( pto & SEGTAB_INVALID )
goto eof;
#if defined(FEATURE_ESAME)
pto &= ZSEGTAB_PTO;
#else /*!defined(FEATURE_ESAME)*/
pto &= SEGTAB_PTO;
#endif /*!defined(FEATURE_ESAME)*/
for(pti = 0; pti < 256 ; pti++, pto += sizeof(pto))
{
#if defined(FEATURE_ESAME)
DBLWRD *pte;
#else /*!defined(FEATURE_ESAME)*/
FWORD *pte;
#endif /*!defined(FEATURE_ESAME)*/
CREG pgo;
BYTE *page;
/* Fetch Page Table Entry to get page origin */
if( pto >= sysblk.mainsize)
goto eof;
#if defined(FEATURE_ESAME)
pte = (DBLWRD*)(sysblk.mainstor + pto);
#else /*!defined(FEATURE_ESAME)*/
pte = (FWORD*)(sysblk.mainstor + pto);
#endif /*!defined(FEATURE_ESAME)*/
FETCH_W(pgo, pte);
if( pgo & PAGETAB_INVALID )
goto eof;
#if defined(FEATURE_ESAME)
pgo &= ZPGETAB_PFRA;
#else /*!defined(FEATURE_ESAME)*/
pgo &= PAGETAB_PFRA;
#endif /*!defined(FEATURE_ESAME)*/
/* Read page into main storage */
if( pgo >= sysblk.mainsize)
goto eof;
page = sysblk.mainstor + pgo;
if( !(size--) || !read(fd, page, STORAGE_KEY_PAGESIZE) )
goto eof;
STORAGE_KEY(pgo, &sysblk) |= (STORKEY_REF|STORKEY_CHANGE);
}
}
eof:
close(fd);
}
/*-------------------------------------------------------------------*/
static S64 ARCH_DEP(write_file)(char *fname, int mode, CREG sto, S64 size)
{
int fd, nwrite;
U64 totwrite = 0;
fd = HOPEN (fname, mode |O_WRONLY|O_BINARY,
S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
if (fd < 0)
{
WRMSG (HHC00600, "E", fname, "open()", strerror(errno));
return -1;
}
#if defined(FEATURE_ESAME)
sto &= ASCE_TO;
#else /*!defined(FEATURE_ESAME)*/
sto &= STD_STO;
#endif /*!defined(FEATURE_ESAME)*/
for( ; size > 0 ; sto += sizeof(sto))
{
#if defined(FEATURE_ESAME)
DBLWRD *ste;
#else /*!defined(FEATURE_ESAME)*/
FWORD *ste;
#endif /*!defined(FEATURE_ESAME)*/
CREG pto, pti;
/* Fetch segment table entry and calc Page Table Origin */
if( sto >= sysblk.mainsize)
goto eof;
#if defined(FEATURE_ESAME)
ste = (DBLWRD*)(sysblk.mainstor + sto);
#else /*!defined(FEATURE_ESAME)*/
ste = (FWORD*)(sysblk.mainstor + sto);
#endif /*!defined(FEATURE_ESAME)*/
FETCH_W(pto, ste);
STORAGE_KEY(sto, &sysblk) |= (STORKEY_REF);
if( pto & SEGTAB_INVALID )
goto eof;
#if defined(FEATURE_ESAME)
pto &= ZSEGTAB_PTO;
#else /*!defined(FEATURE_ESAME)*/
pto &= SEGTAB_PTO;
#endif /*!defined(FEATURE_ESAME)*/
for(pti = 0; pti < 256 && size > 0; pti++, pto += sizeof(pto))
{
#if defined(FEATURE_ESAME)
DBLWRD *pte;
#else /*!defined(FEATURE_ESAME)*/
FWORD *pte;
#endif /*!defined(FEATURE_ESAME)*/
CREG pgo;
BYTE *page;
/* Fetch Page Table Entry to get page origin */
if( pto >= sysblk.mainsize)
goto eof;
#if defined(FEATURE_ESAME)
pte = (DBLWRD*)(sysblk.mainstor + pto);
#else /*!defined(FEATURE_ESAME)*/
pte = (FWORD*)(sysblk.mainstor + pto);
#endif /*!defined(FEATURE_ESAME)*/
FETCH_W(pgo, pte);
STORAGE_KEY(pto, &sysblk) |= (STORKEY_REF);
if( !(pgo & PAGETAB_INVALID) )
{
#if defined(FEATURE_ESAME)
pgo &= ZPGETAB_PFRA;
#else /*!defined(FEATURE_ESAME)*/
pgo &= PAGETAB_PFRA;
#endif /*!defined(FEATURE_ESAME)*/
/* Write page to SCE disk */
if( pgo >= sysblk.mainsize)
goto eof;
page = sysblk.mainstor + pgo;
nwrite = write(fd, page, STORAGE_KEY_PAGESIZE);
totwrite += nwrite;
if( nwrite != STORAGE_KEY_PAGESIZE )
goto eof;
STORAGE_KEY(pgo, &sysblk) |= (STORKEY_REF);
}
size -= STORAGE_KEY_PAGESIZE;
}
}
eof:
close(fd);
return totwrite;
}