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| author | Nick Clifton <nickc@redhat.com> | 1998-01-08 11:12:39 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 1998-01-08 11:12:39 +0000 |
| commit | 3a9c3d120fe4b7cd24f75f275e4b1034577ce056 (patch) | |
| tree | b0c06fea2896a37889cdb272d9acbe476689e6e1 /gdb/rdi-share/dbg_cp.h | |
| parent | d7ab10784a26a2d5f2174afa9c17450851abbb75 (diff) | |
| download | gdb-3a9c3d120fe4b7cd24f75f275e4b1034577ce056.zip gdb-3a9c3d120fe4b7cd24f75f275e4b1034577ce056.tar.gz gdb-3a9c3d120fe4b7cd24f75f275e4b1034577ce056.tar.bz2 | |
Applied patches from Tony.Thompson@arm.com to implement the Angel remote
debugging interface and resurrected associated RDI files.
Diffstat (limited to 'gdb/rdi-share/dbg_cp.h')
| -rw-r--r-- | gdb/rdi-share/dbg_cp.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gdb/rdi-share/dbg_cp.h b/gdb/rdi-share/dbg_cp.h new file mode 100644 index 0000000..8974f83 --- /dev/null +++ b/gdb/rdi-share/dbg_cp.h @@ -0,0 +1,62 @@ +/* + * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved. + * + * This software may be freely used, copied, modified, and distributed + * provided that the above copyright notice is preserved in all copies of the + * software. + */ + +/* + * ARM symbolic debugger toolbox: dbg_cp.h + */ + +/* + * RCS $Revision$ + * Checkin $Date$ + */ + +#ifndef Dbg_CP__h + +#define Dbg_CP__h + +#define Dbg_Access_Readable 1 +#define Dbg_Access_Writable 2 +#define Dbg_Access_CPDT 4 /* else CPRT */ + +typedef struct { + unsigned short rmin, rmax; + /* a single description can be used for a range of registers with + the same properties *accessed via CPDT instructions* + */ + unsigned char nbytes; /* size of register */ + unsigned char access; /* see above (Access_xxx) */ + union { + struct { /* CPDT instructions do not allow the coprocessor much freedom: + only bit 22 ('N') and 12-15 ('CRd') are free for the + coprocessor to use as it sees fit. + */ + unsigned char nbit; + unsigned char rdbits; + } cpdt; + struct { /* CPRT instructions have much more latitude. The bits fixed + by the ARM are 24..31 (condition mask & opcode) + 20 (direction) + 8..15 (cpnum, arm register) + 4 (CPRT not CPDO) + leaving 14 bits free to the coprocessor (fortunately + falling within two bytes). + */ + unsigned char read_b0, read_b1, + write_b0, write_b1; + } cprt; + } accessinst; +} Dbg_CoProRegDesc; + +struct Dbg_CoProDesc { + int entries; + Dbg_CoProRegDesc regdesc[1/* really nentries */]; +}; + +#define Dbg_CoProDesc_Size(n) (sizeof(struct Dbg_CoProDesc) + ((n)-1)*sizeof(Dbg_CoProRegDesc)) + +#endif |