Hi Aleksandar.

please explain.

On Sat, Dec 21, 2019 at 1:18 PM Aleksandar Markovic <
aleksandar.m.m...@gmail.com> wrote:

>
>
> On Wednesday, December 18, 2019, Michael Rolnik <mrol...@gmail.com> wrote:
>
>> This includes:
>> - encoding of all 16 bit instructions
>> - encoding of all 32 bit instructions
>>
>> Signed-off-by: Michael Rolnik <mrol...@gmail.com>
>> Tested-by: Philippe Mathieu-Daudé <phi...@redhat.com>
>> ---
>
>
> Michael,
>
> I am very pleased that you rearranged the order to be in sync with the
> documentation.
>
> Now, for the next version, I would ask you to make this patch disappear.
>
> More precisely, "MCU Control Instructions" section of insn.decode file
> move to be a part of "Add MCU Control Instructions" (not sure abiut the
> title, but it is 6 or 7 patches after this one)  patch, and so on, in the
> same fashion, for all groups of instructions.
>
> Kind regards,
>
> Aleksandar
>
>
>
>  target/avr/insn.decode | 183 +++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 183 insertions(+)
>>  create mode 100644 target/avr/insn.decode
>>
>> diff --git a/target/avr/insn.decode b/target/avr/insn.decode
>> new file mode 100644
>> index 0000000000..0e4ec9ddf0
>> --- /dev/null
>> +++ b/target/avr/insn.decode
>> @@ -0,0 +1,183 @@
>> +#
>> +# AVR instruction decode definitions.
>> +#
>> +# Copyright (c) 2019 Michael Rolnik <mrol...@gmail.com>
>> +#
>> +# This library is free software; you can redistribute it and/or
>> +# modify it under the terms of the GNU Lesser General Public
>> +# License as published by the Free Software Foundation; either
>> +# version 2.1 of the License, or (at your option) any later version.
>> +#
>> +# This library is distributed in the hope that it will be useful,
>> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
>> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
>> +# Lesser General Public License for more details.
>> +#
>> +# You should have received a copy of the GNU Lesser General Public
>> +# License along with this library; if not, see <
>> http://www.gnu.org/licenses/>.
>> +#
>> +
>> +#
>> +#   regs_16_31_by_one = [16 .. 31]
>> +#   regs_16_23_by_one = [16 .. 23]
>> +#   regs_24_30_by_two = [24, 26, 28, 30]
>> +#   regs_00_30_by_two = [0, 2, 4, 6, 8, .. 30]
>> +
>> +%rd             4:5
>> +%rr             9:1 0:4
>> +
>> +%rd_a           4:4
>>  !function=to_regs_16_31_by_one
>> +%rd_b           4:3
>>  !function=to_regs_16_23_by_one
>> +%rd_c           4:2
>>  !function=to_regs_24_30_by_two
>> +%rd_d           4:4
>>  !function=to_regs_00_30_by_two
>> +%rr_a           0:4
>>  !function=to_regs_16_31_by_one
>> +%rr_b           0:3
>>  !function=to_regs_16_23_by_one
>> +%rr_d           0:4
>>  !function=to_regs_00_30_by_two
>> +
>> +%imm6           6:2 0:4
>> +%imm8           8:4 0:4
>> +
>> +%io_imm         9:2 0:4
>> +%ldst_d_imm     13:1 10:2 0:3
>> +
>> +# The 22-bit immediate is partially in the opcode word,
>> +# and partially in the next.  Use append_16 to build the
>> +# complete 22-bit value.
>> +%imm_call       4:5 0:1                     !function=append_16
>> +
>> +
>> +&rd_rr          rd rr
>> +&rd_imm         rd imm
>> +
>> +@op_rd_rr       .... .. . ..... ....        &rd_rr      rd=%rd rr=%rr
>> +@op_rd_imm6     .... .... .. .. ....        &rd_imm     rd=%rd_c
>> imm=%imm6
>> +@op_rd_imm8     .... .... .... ....         &rd_imm     rd=%rd_a
>> imm=%imm8
>> +@op_bit         .... .... . bit:3 ....
>> +@op_bit_imm     .... .. imm:s7 bit:3
>> +@fmul           .... .... . ... . ...       &rd_rr      rd=%rd_b rr=%rr_b
>> +@io_rd_imm      .... . .. ..... ....        &rd_imm     rd=%rd
>> imm=%io_imm
>> +@ldst_d         .. . . .. . rd:5  . ...     &rd_imm     imm=%ldst_d_imm
>> +
>> +# The 16-bit immediate is completely in the next word.
>> +# Fields cannot be defined with no bits, so we cannot play
>> +# the same trick and append to a zero-bit value.
>> +# Defer reading the immediate until trans_{LDS,STS}.
>> +@ldst_s         .... ... rd:5 ....          imm=0
>> +
>> +#
>> +# Arithmetic Instructions
>> +#
>> +ADD             0000 11 . ..... ....        @op_rd_rr
>> +ADC             0001 11 . ..... ....        @op_rd_rr
>> +ADIW            1001 0110 .. .. ....        @op_rd_imm6
>> +SUB             0001 10 . ..... ....        @op_rd_rr
>> +SUBI            0101 .... .... ....         @op_rd_imm8
>> +SBC             0000 10 . ..... ....        @op_rd_rr
>> +SBCI            0100 .... .... ....         @op_rd_imm8
>> +SBIW            1001 0111 .. .. ....        @op_rd_imm6
>> +AND             0010 00 . ..... ....        @op_rd_rr
>> +ANDI            0111 .... .... ....         @op_rd_imm8
>> +OR              0010 10 . ..... ....        @op_rd_rr
>> +ORI             0110 .... .... ....         @op_rd_imm8
>> +EOR             0010 01 . ..... ....        @op_rd_rr
>> +COM             1001 010 rd:5 0000
>> +NEG             1001 010 rd:5 0001
>> +INC             1001 010 rd:5 0011
>> +DEC             1001 010 rd:5 1010
>> +MUL             1001 11 . ..... ....        @op_rd_rr
>> +MULS            0000 0010 .... ....         &rd_rr      rd=%rd_a rr=%rr_a
>> +MULSU           0000 0011 0 ... 0 ...       @fmul
>> +FMUL            0000 0011 0 ... 1 ...       @fmul
>> +FMULS           0000 0011 1 ... 0 ...       @fmul
>> +FMULSU          0000 0011 1 ... 1 ...       @fmul
>> +DES             1001 0100 imm:4 1011
>> +
>> +#
>> +# Branch Instructions
>> +#
>> +RJMP            1100 imm:s12
>> +IJMP            1001 0100 0000 1001
>> +EIJMP           1001 0100 0001 1001
>> +JMP             1001 010 ..... 110 .        imm=%imm_call
>> +RCALL           1101 imm:s12
>> +ICALL           1001 0101 0000 1001
>> +EICALL          1001 0101 0001 1001
>> +CALL            1001 010 ..... 111 .        imm=%imm_call
>> +RET             1001 0101 0000 1000
>> +RETI            1001 0101 0001 1000
>> +CPSE            0001 00 . ..... ....        @op_rd_rr
>> +CP              0001 01 . ..... ....        @op_rd_rr
>> +CPC             0000 01 . ..... ....        @op_rd_rr
>> +CPI             0011 .... .... ....         @op_rd_imm8
>> +SBRC            1111 110 rr:5 0 bit:3
>> +SBRS            1111 111 rr:5 0 bit:3
>> +SBIC            1001 1001 reg:5 bit:3
>> +SBIS            1001 1011 reg:5 bit:3
>> +BRBS            1111 00 ....... ...         @op_bit_imm
>> +BRBC            1111 01 ....... ...         @op_bit_imm
>> +
>> +#
>> +# Data Transfer Instructions
>> +#
>> +MOV             0010 11 . ..... ....        @op_rd_rr
>> +MOVW            0000 0001 .... ....         &rd_rr      rd=%rd_d rr=%rr_d
>> +LDI             1110 .... .... ....         @op_rd_imm8
>> +LDS             1001 000 ..... 0000         @ldst_s
>> +LDX1            1001 000 rd:5 1100
>> +LDX2            1001 000 rd:5 1101
>> +LDX3            1001 000 rd:5 1110
>> +LDY2            1001 000 rd:5 1001
>> +LDY3            1001 000 rd:5 1010
>> +LDZ2            1001 000 rd:5 0001
>> +LDZ3            1001 000 rd:5 0010
>> +LDDY            10 . 0 .. 0 ..... 1 ...     @ldst_d
>> +LDDZ            10 . 0 .. 0 ..... 0 ...     @ldst_d
>> +STS             1001 001 ..... 0000         @ldst_s
>> +STX1            1001 001 rr:5 1100
>> +STX2            1001 001 rr:5 1101
>> +STX3            1001 001 rr:5 1110
>> +STY2            1001 001 rd:5 1001
>> +STY3            1001 001 rd:5 1010
>> +STZ2            1001 001 rd:5 0001
>> +STZ3            1001 001 rd:5 0010
>> +STDY            10 . 0 .. 1 ..... 1 ...     @ldst_d
>> +STDZ            10 . 0 .. 1 ..... 0 ...     @ldst_d
>> +LPM1            1001 0101 1100 1000
>> +LPM2            1001 000 rd:5 0100
>> +LPMX            1001 000 rd:5 0101
>> +ELPM1           1001 0101 1101 1000
>> +ELPM2           1001 000 rd:5 0110
>> +ELPMX           1001 000 rd:5 0111
>> +SPM             1001 0101 1110 1000
>> +SPMX            1001 0101 1111 1000
>> +IN              1011 0 .. ..... ....        @io_rd_imm
>> +OUT             1011 1 .. ..... ....        @io_rd_imm
>> +PUSH            1001 001 rd:5 1111
>> +POP             1001 000 rd:5 1111
>> +XCH             1001 001 rd:5 0100
>> +LAC             1001 001 rd:5 0110
>> +LAS             1001 001 rd:5 0101
>> +LAT             1001 001 rd:5 0111
>> +
>> +#
>> +# Bit and Bit-test Instructions
>> +#
>> +LSR             1001 010 rd:5 0110
>> +ROR             1001 010 rd:5 0111
>> +ASR             1001 010 rd:5 0101
>> +SWAP            1001 010 rd:5 0010
>> +SBI             1001 1010 reg:5 bit:3
>> +CBI             1001 1000 reg:5 bit:3
>> +BST             1111 101 rd:5 0 bit:3
>> +BLD             1111 100 rd:5 0 bit:3
>> +BSET            1001 0100 0 bit:3 1000
>> +BCLR            1001 0100 1 bit:3 1000
>> +
>> +#
>> +# MCU Control Instructions
>> +#
>> +BREAK           1001 0101 1001 1000
>> +NOP             0000 0000 0000 0000
>> +SLEEP           1001 0101 1000 1000
>> +WDR             1001 0101 1010 1000
>> +
>> --
>> 2.17.2 (Apple Git-113)
>>
>>

-- 
Best Regards,
Michael Rolnik

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