diff options
Diffstat (limited to 'include/opcode/mips.h')
| -rw-r--r-- | include/opcode/mips.h | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/include/opcode/mips.h b/include/opcode/mips.h index 4bec5edcc..34ef26ef2 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 @@ -268,19 +278,20 @@ struct mips_opcode "x" accept and ignore register name "z" must be zero register "K" 5 bit Hardware Register (rdhwr instruction) (OP_*_RD) - "+A" 5 bit ins/ext position, which becomes LSB (OP_*_SHAMT). + "+A" 5 bit ins/ext/dins/dext/dinsm/dextm position, which becomes + LSB (OP_*_SHAMT). Enforces: 0 <= pos < 32. - "+B" 5 bit ins size, which becomes MSB (OP_*_INSMSB). + "+B" 5 bit ins/dins size, which becomes MSB (OP_*_INSMSB). Requires that "+A" or "+E" occur first to set position. Enforces: 0 < (pos+size) <= 32. - "+C" 5 bit ext size, which becomes MSBD (OP_*_EXTMSBD). + "+C" 5 bit ext/dext size, which becomes MSBD (OP_*_EXTMSBD). Requires that "+A" or "+E" occur first to set position. Enforces: 0 < (pos+size) <= 32. (Also used by "dext" w/ different limits, but limits for that are checked by the M_DEXT macro.) - "+E" 5 bit dins/dext position, which becomes LSB-32 (OP_*_SHAMT). + "+E" 5 bit dinsu/dextu position, which becomes LSB-32 (OP_*_SHAMT). Enforces: 32 <= pos < 64. - "+F" 5 bit "dinsm" size, which becomes MSB-32 (OP_*_INSMSB). + "+F" 5 bit "dinsm/dinsu" size, which becomes MSB-32 (OP_*_INSMSB). Requires that "+A" or "+E" occur first to set position. Enforces: 32 < (pos+size) <= 64. "+G" 5 bit "dextm" size, which becomes MSBD-32 (OP_*_EXTMSBD). @@ -350,6 +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 @@ -364,6 +381,7 @@ struct mips_opcode Extension character sequences used so far ("+" followed by the following), for quick reference when adding more: + "1234" "ABCDEFGHIT" "t" */ |