diff options
Diffstat (limited to 'gdb/testsuite/gdb.base/d10vovly.c')
| -rw-r--r-- | gdb/testsuite/gdb.base/d10vovly.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/gdb/testsuite/gdb.base/d10vovly.c b/gdb/testsuite/gdb.base/d10vovly.c deleted file mode 100644 index 9bbdbf8..0000000 --- a/gdb/testsuite/gdb.base/d10vovly.c +++ /dev/null @@ -1,207 +0,0 @@ - -/* - * Ovlymgr.c -- Runtime Overlay Manager for the Mitsubishi D10V - */ - -#include "ovlymgr.h" - -/* Local functions and data: */ - -extern unsigned long _ovly_table[][4], _novlys; -enum ovly_index { VMA, SIZE, LMA, MAPPED }; -enum ovly_direction { IN, OUT }; - -static void D10VCopy (unsigned long dst, unsigned long src, long size); - -/* OverlayLoad: - * Copy the overlay into its runtime region, - * and mark the overlay as "mapped". - */ - -void -OverlayLoad (int ovlyno) -{ - int i; - - if (ovlyno < 0 || ovlyno >= _novlys) - exit (-1); /* fail, bad ovly number */ - - if (_ovly_table[ovlyno][MAPPED]) - return; /* this overlay already mapped -- nothing to do! */ - - for (i = 0; i < _novlys; i++) - if (i == ovlyno) - _ovly_table[i][MAPPED] = 1; /* this one now mapped */ - else if (_ovly_table[i][VMA] == _ovly_table[ovlyno][VMA]) - _ovly_table[i][MAPPED] = 0; /* this one now un-mapped */ - - /* copy overlay using D10V DMAP register */ - D10VCopy (_ovly_table[ovlyno][VMA], _ovly_table[ovlyno][LMA], - _ovly_table[ovlyno][SIZE]); -} - -/* OverlayUnload: - * Copy the overlay back into its "load" region. - * Does NOT mark overlay as "unmapped", therefore may be called - * more than once for the same mapped overlay. - */ - -void -OverlayUnload (int ovlyno) -{ - if (ovlyno < 0 || ovlyno >= _novlys) - exit (-1); /* fail, bad ovly number */ - - if (!_ovly_table[ovlyno][MAPPED]) - exit (-1); /* error, can't copy out a segment that's not "in" */ - - D10VCopy (_ovly_table[ovlyno][LMA], _ovly_table[ovlyno][VMA], - _ovly_table[ovlyno][SIZE]); -} - -/* D10VCopy: - * Copy a region of memory from src to dest. - * Like memcpy, but can copy anywhere in Universal, Data or Instruction memory. - */ - -#define IMAP0 (*(int *)(0xff00)) -#define IMAP1 (*(int *)(0xff02)) -#define DMAP (*(int *)(0xff04)) - -static void -D10VTranslate (unsigned long logical, - short *dmap, - unsigned long **addr) -{ - unsigned long physical; - unsigned long seg; - unsigned long off; - int err = 0; - /* to access data, we use the following mapping - 0x00xxxxxx: Logical data address segment (DMAP translated memory) - 0x01xxxxxx: Logical instruction address segment (IMAP translated memory) - 0x10xxxxxx: Physical data memory segment (On-chip data memory) - 0x11xxxxxx: Physical instruction memory segment (On-chip insn memory) - 0x12xxxxxx: Phisical unified memory segment (Unified memory) - */ - - /* Addresses must be correctly aligned */ - if (logical & (sizeof (**addr) - 1)) - exit (-1); - - /* If the address is in one of the two logical address spaces, it is - first translated into a physical address */ - seg = (logical >> 24); - off = (logical & 0xffffffL); - switch (seg) - { - case 0x00: /* in logical data address segment */ - if (off <= 0x7fffL) - physical = (0x10L << 24) + off; - else - /* Logical address out side of on-chip segment, not - supported */ - exit (-1); - break; - case 0x01: /* in logical instruction address segment */ - { - short map; - if (off <= 0x1ffffL) - map = IMAP0; - else if (off <= 0x3ffffL) - map = IMAP1; - else - /* Logical address outside of IMAP[01] segment, not - supported */ - exit (-1); - if (map & 0x1000L) - { - /* Instruction memory */ - physical = (0x11L << 24) | off; - } - else - { - /* Unified memory */ - physical = ((map & 0x7fL) << 17) + (off & 0x1ffffL); - if (physical > 0xffffffL) - /* Address outside of unified address segment */ - exit (-1); - physical |= (0x12L << 24); - } - break; - } - case 0x10: - case 0x11: - case 0x12: - physical = logical; - break; - default: - exit (-1); /* error */ - } - - seg = (physical >> 24); - off = (physical & 0xffffffL); - switch (seg) - { - case 0x10: /* dst is a 15 bit offset into the on-chip memory */ - *dmap = 0; - *addr = (long *) (0x0000 + ((int)off & 0x7fff)); - break; - case 0x11: /* dst is an 18-bit offset into the on-chip - instruction memory */ - *dmap = 0x1000L | ((off & 0x3ffffL) >> 14); - *addr = (long *) (0x8000 + ((int)off & 0x3fff)); - break; - case 0x12: /* dst is a 24-bit offset into unified memory */ - *dmap = off >> 14; - *addr = (long *) (0x8000 + ((int)off & 0x3fff)); - break; - default: - exit (-1); /* error */ - } - -#if 0 - printf ("D10VTranslate: logical = %08lx, dmap = %04x, addr = %04x\n", - logical, *dmap, *addr); -#endif -} - -static void -D10VCopy (unsigned long dst, unsigned long src, long size) -{ - unsigned long *s, *d, tmp; - short dmap_src, dmap_dst; - short dmap_save; - -#if 0 - printf ("D10VCopy: dst = %08lx, src = %08lx, size = %ld\n", - dst, src, size); -#endif - - /* all section sizes should by multiples of 4 bytes */ - dmap_save = DMAP; - - D10VTranslate (src, &dmap_src, &s); - D10VTranslate (dst, &dmap_dst, &d); - - while (size > 0) - { - /* NB: Transfer 4 byte (long) quantites, problems occure - when only two bytes are transfered */ - DMAP = dmap_src; - tmp = *s; - DMAP = dmap_dst; - *d = tmp; - d++; - s++; - size -= sizeof (tmp); - src += sizeof (tmp); - dst += sizeof (tmp); - if ((src & 0x3fff) == 0) - D10VTranslate (src, &dmap_src, &s); - if ((dst & 0x3fff) == 0) - D10VTranslate (dst, &dmap_dst, &d); - } - DMAP = dmap_save; -} - |