diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/opcode/ChangeLog | 7 | ||||
| -rw-r--r-- | include/opcode/mips.h | 17 |
2 files changed, 24 insertions, 0 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index 88352e6..1d398f6 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,3 +1,10 @@ +2006-04-30 Thiemo Seufer <ths@mips.com> + David Ung <davidu@mips.com> + + * mips.h: Defines udi bits and masks. Add description of + characters which may appear in the args field of udi + instructions. + 2006-04-26 Thiemo Seufer <ths@networkno.de> * mips.h: Improve comments describing the bitfield instruction diff --git a/include/opcode/mips.h b/include/opcode/mips.h index ae3f437..34ef26e 100644 --- a/include/opcode/mips.h +++ b/include/opcode/mips.h @@ -203,6 +203,16 @@ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, US #define MDMX_FMTSEL_VEC_QH 0x15 #define MDMX_FMTSEL_VEC_OB 0x16 +/* UDI */ +#define OP_SH_UDI1 6 +#define OP_MASK_UDI1 0x1f +#define OP_SH_UDI2 6 +#define OP_MASK_UDI2 0x3ff +#define OP_SH_UDI3 6 +#define OP_MASK_UDI3 0x7fff +#define OP_SH_UDI4 6 +#define OP_MASK_UDI4 0xfffff + /* This structure holds information for a particular instruction. */ struct mips_opcode @@ -351,6 +361,12 @@ struct mips_opcode "+t" 5 bit coprocessor 0 destination register (OP_*_RT) "+T" 5 bit coprocessor 0 destination register (OP_*_RT) - disassembly only + UDI immediates: + "+1" UDI immediate bits 6-10 + "+2" UDI immediate bits 6-15 + "+3" UDI immediate bits 6-20 + "+4" UDI immediate bits 6-25 + Other: "()" parens surrounding optional value "," separates operands @@ -365,6 +381,7 @@ struct mips_opcode Extension character sequences used so far ("+" followed by the following), for quick reference when adding more: + "1234" "ABCDEFGHIT" "t" */ |