diff options
Diffstat (limited to 'include/coff/tic54x.h')
| -rw-r--r-- | include/coff/tic54x.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/include/coff/tic54x.h b/include/coff/tic54x.h index a41c8d250..a7b7003a9 100644 --- a/include/coff/tic54x.h +++ b/include/coff/tic54x.h @@ -18,8 +18,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef COFF_TIC54X_H - #define COFF_TIC54X_H + #define TIC54X_TARGET_ID 0x98 #define TIC54XALGMAGIC 0x009B /* c54x algebraic assembler output */ #define TIC5X_TARGET_ID 0x92 @@ -29,6 +29,31 @@ #define TICOFF_TARGET_ARCH bfd_arch_tic54x #define TICOFF_DEFAULT_MAGIC TICOFF1MAGIC /* we use COFF1 for compatibility */ +/* Page macros + + The first GDB port requires flags in its remote memory access commands to + distinguish between data/prog space. Hopefully we can make this go away + eventually. Stuff the page in the upper bits of a 32-bit address, since + the c5x family only uses 16 or 23 bits. + + c2x, c5x and most c54x devices have 16-bit addresses, but the c548 has + 23-bit program addresses. Make sure the page flags don't interfere. + These flags are used by GDB to identify the destination page for + addresses. +*/ + +/* Recognized load pages (by common convention). */ +#define PG_PROG 0x0 /* PROG page */ +#define PG_DATA 0x1 /* DATA page */ +#define PG_IO 0x2 /* I/O page */ + +/** Indicate whether the given storage class requires a page flag. */ +#define NEEDS_PAGE(X) ((X)==C_EXT) +#define PAGE_MASK 0xFF000000 +#define ADDR_MASK 0x00FFFFFF +#define PG_TO_FLAG(p) (((unsigned long)(p) & 0xFF) << 24) +#define FLAG_TO_PG(f) (((f) >> 24) & 0xFF) + #include "coff/ti.h" #endif /* COFF_TIC54X_H */ |