diff options
| author |  Andrew Waterman <waterman@cs.berkeley.edu> | 2013-07-25 16:17:19 -0700 |
|---|---|---|
| committer | Andrew Waterman <waterman@cs.berkeley.edu> | 2013-07-25 16:17:19 -0700 |
| commit | 296b54d6b45470c2da8c1a16e09cb55ee6f6f182 (patch) | |
| tree | 4c4b30b78d6fb8b93b3af9e938926fdace578eb1 /opcodes | |
| parent | 77551577a67537deb7229849788f6bdff69b43bd (diff) | |
Refactor parse-opcodes
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes | 52 |
1 files changed, 27 insertions, 25 deletions
@@ -1,10 +1,11 @@ # format of a line in this file: -# <instruction name> <opcode> <args> +# <instruction name> <args> <opcode> # # <opcode> is given by specifying one or more range/value pairs: -# highbit..lowbit=value (e.g. 6..2=0x45 9..7=0x0) +# hi..lo=value or bit=value or arg=value (e.g. 6..2=0x45 10=1 rd=0) # -# <args> is one of xa,xb,xc,fa,fb,fc,fd,imm,imm20,imm27,shamt,shamtw +# <args> is one of rd, rs1, rs2, rs3, imm25, imm20, imm12, imm12lo, imm12hi, +# shamtw, shamt, rm j imm25 6..2=0x19 1..0=3 jal imm25 6..2=0x1B 1..0=3 @@ -76,9 +77,9 @@ lbu rd rs1 imm12 9..7=4 6..2=0x00 1..0=3 lhu rd rs1 imm12 9..7=5 6..2=0x00 1..0=3 lwu rd rs1 imm12 9..7=6 6..2=0x00 1..0=3 -# NOTE: if you add new store instructions, make sure to modify tc-mips-riscv.c -# and elfxx-mips.c to detect them. this is a hack to handle the split immed. -# just open up those files and search for MATCH_SW; should be obvious. +# XXX If you add new store instructions, make sure to modify tc-riscv.c and +# elfxx-riscv.c to detect them; the split immediate is handled therein. +# search for MATCH_SW and continue this inglorious hack in the obvious way. sb imm12hi rs1 rs2 imm12lo 9..7=0 6..2=0x08 1..0=3 sh imm12hi rs1 rs2 imm12lo 9..7=1 6..2=0x08 1..0=3 sw imm12hi rs1 rs2 imm12lo 9..7=2 6..2=0x08 1..0=3 @@ -118,31 +119,13 @@ rdcycle rd 26..22=0 21..17=0 16..10=0 9..7=4 6..2=0x1D 1..0=3 rdtime rd 26..22=0 21..17=0 16..10=1 9..7=4 6..2=0x1D 1..0=3 rdinstret rd 26..22=0 21..17=0 16..10=2 9..7=4 6..2=0x1D 1..0=3 -# vector scalar instructions -stop 31..27=0 26..22=0 21..17=0 16..10=0 9..7=2 6..2=0x1D 1..0=3 -utidx rd 26..22=0 21..17=0 16..10=0 9..7=3 6..2=0x1D 1..0=3 -movz rd rs1 rs2 16..10=0 9..7=5 6..2=0x1D 1..0=3 -movn rd rs1 rs2 16..10=1 9..7=5 6..2=0x1D 1..0=3 -fmovz rd rs1 rs2 16..10=2 9..7=5 6..2=0x1D 1..0=3 -fmovn rd rs1 rs2 16..10=3 9..7=5 6..2=0x1D 1..0=3 - +# SUPERVISOR clearpcr rd rs1 imm12 9..7=0 6..2=0x1E 1..0=3 setpcr rd rs1 imm12 9..7=1 6..2=0x1E 1..0=3 mfpcr rd rs1 21..17=0 16..10=0 9..7=2 6..2=0x1E 1..0=3 mtpcr rd rs1 rs2 16..10=0 9..7=3 6..2=0x1E 1..0=3 eret 31..27=0 26..22=0 21..17=0 16..10=0 9..7=4 6..2=0x1E 1..0=3 -vxcptsave 31..27=0 rs1 21..17=0 16..10=0x0 9..7=6 6..2=0x1E 1..0=3 -vxcptrestore 31..27=0 rs1 21..17=0 16..10=0x1 9..7=6 6..2=0x1E 1..0=3 -vxcptkill 31..27=0 26..22=0 21..17=0 16..10=0x2 9..7=6 6..2=0x1E 1..0=3 - -vxcptevac 31..27=0 rs1 21..17=0 16..10=0x8 9..7=6 6..2=0x1E 1..0=3 -vxcpthold 31..27=0 26..22=0 21..17=0 16..10=0x9 9..7=6 6..2=0x1E 1..0=3 -venqcmd 31..27=0 rs1 rs2 16..10=0xA 9..7=6 6..2=0x1E 1..0=3 -venqimm1 31..27=0 rs1 rs2 16..10=0xB 9..7=6 6..2=0x1E 1..0=3 -venqimm2 31..27=0 rs1 rs2 16..10=0xC 9..7=6 6..2=0x1E 1..0=3 -venqcnt 31..27=0 rs1 rs2 16..10=0xD 9..7=6 6..2=0x1E 1..0=3 - # 0x7C-0x7F are reserved for >32b instructions fadd.s rd rs1 rs2 16..12=0 rm 8..7=0 6..2=0x14 1..0=3 @@ -223,6 +206,25 @@ fmsub.d rd rs1 rs2 rs3 rm 8..7=1 6..2=0x11 1..0=3 fnmsub.d rd rs1 rs2 rs3 rm 8..7=1 6..2=0x12 1..0=3 fnmadd.d rd rs1 rs2 rs3 rm 8..7=1 6..2=0x13 1..0=3 +# vector scalar instructions +stop 31..27=0 26..22=0 21..17=0 16..10=0 9..7=2 6..2=0x1D 1..0=3 +utidx rd 26..22=0 21..17=0 16..10=0 9..7=3 6..2=0x1D 1..0=3 +movz rd rs1 rs2 16..10=0 9..7=5 6..2=0x1D 1..0=3 +movn rd rs1 rs2 16..10=1 9..7=5 6..2=0x1D 1..0=3 +fmovz rd rs1 rs2 16..10=2 9..7=5 6..2=0x1D 1..0=3 +fmovn rd rs1 rs2 16..10=3 9..7=5 6..2=0x1D 1..0=3 + +vxcptsave 31..27=0 rs1 21..17=0 16..10=0x0 9..7=6 6..2=0x1E 1..0=3 +vxcptrestore 31..27=0 rs1 21..17=0 16..10=0x1 9..7=6 6..2=0x1E 1..0=3 +vxcptkill 31..27=0 26..22=0 21..17=0 16..10=0x2 9..7=6 6..2=0x1E 1..0=3 + +vxcptevac 31..27=0 rs1 21..17=0 16..10=0x8 9..7=6 6..2=0x1E 1..0=3 +vxcpthold 31..27=0 26..22=0 21..17=0 16..10=0x9 9..7=6 6..2=0x1E 1..0=3 +venqcmd 31..27=0 rs1 rs2 16..10=0xA 9..7=6 6..2=0x1E 1..0=3 +venqimm1 31..27=0 rs1 rs2 16..10=0xB 9..7=6 6..2=0x1E 1..0=3 +venqimm2 31..27=0 rs1 rs2 16..10=0xC 9..7=6 6..2=0x1E 1..0=3 +venqcnt 31..27=0 rs1 rs2 16..10=0xD 9..7=6 6..2=0x1E 1..0=3 + # vector load mem instructions # 3=d |