SGX543: Difference between revisions

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|}


opcode2:
opcode2 (depends on opcode_select):


{| class="wikitable"
{| class="wikitable"
|-
|-
! 6 !! 5 !! 4 !! value
! opcode_select !! 6 !! 5 !! 4 !! value
|-
|-
| 0 || 0 || 0 || '''invalid'''
| 0 || 0 || 0 || 0 || '''invalid'''
|-
|-
| 0 || 0 || 1 || '''invalid'''
| 0 || 0 || 0 || 1 || '''invalid'''
|-
|-
| 0 || 1 || 0 || dot
| 0 || 0 || 1 || 0 || dot
|-
|-
| 0 || 1 || 1 || '''invalid'''
| 0 || 0 || 1 || 1 || '''invalid'''
|-
|-
| 1 || 0 || 0 || '''invalid'''
| 0 || 1 || 0 || 0 || '''invalid'''
|-
|-
| 1 || 0 || 1 || mov
| 0 || 1 || 0 || 1 || mov
|-
|-
| 1 || 1 || 0 || rsq
| 0 || 1 || 1 || 0 || rsq
|-
|-
| 1 || 1 || 1 || rcp
| 0 || 1 || 1 || 1 || rcp
|}
|}


Revision as of 02:20, 9 February 2018

Instruction set

It looks like instructions are 8 bytes long. Roughly speaking - first 4 bytes contain opcode and addressing mode. Second 4 bytes contain operands encoding.

Bit encoding used in this reference.

value meaning
0 bit clear
1 bit set
x dont care
? unknown

0x00000000 - 0x08000000

Instructions: mad

Encoding:

7 6 5 4 3 2 1 0
opcode1 data_format predicate
0 0 0 0 0
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Fields:

data_format:

2 value
0 f32
1 f16

predicate:

1 0 value
0 0
0 1 p0
1 0 !p0
1 1 Pn

Examples: 

mad.f32
p0 mad.f32
!p0 mad.f32
Pn mad.f32
 
mad.f16
p0 mad.f16
!p0 mad.f16
Pn mad.f16

0x08000000 - 0x10000000

Instructions: mul.f32

Encoding:

7 6 5 4 3 2 1 0
opcode1 predicate
0 0 0 0 1
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Fields:

predicate:

2 1 0 value
0 0 0
0 0 1 p0
0 1 0 p1
0 1 1 p2
1 0 0 !p0
1 0 1 !p1
1 1 0 !p2
1 1 1 Pn

Examples: 

mul.f32
p0 mul.f32
p1 mul.f32
p2 mul.f32
!p0 mul.f32
!p1 mul.f32
!p2 mul.f32
Pn mul.f32

0x10000000 - 0x18000000

Instructions: mul.f16

Encoding:

7 6 5 4 3 2 1 0
opcode1 predicate
0 0 0 1 0
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Fields:

predicate:

2 1 0 value
0 0 0
0 0 1 p0
0 1 0 p1
0 1 1 p2
1 0 0 !p0
1 0 1 !p1
1 1 0 !p2
1 1 1 Pn

Examples: 

mul.f16
p0 mul.f16
p1 mul.f16
p2 mul.f16
!p0 mul.f16
!p1 mul.f16
!p2 mul.f16
Pn mul.f16

0x18000000 - 0x20000000

Instructions: dot.f32, mad.f32

Encoding:

7 6 5 4 3 2 1 0
opcode1 predicate
0 0 0 1 1
7 6 5 4 3 2 1 0
opcode2
x x x x x x x
7 6 5 4 3 2 1 0
x x x x x x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Fields:

opcode2:

5 value
0 dot.f32
1 mad.f32

predicate:

2 1 0 value
0 0 0
0 0 1 p0
0 1 0 p1
0 1 1 p2
1 0 0 !p0
1 0 1 !p1
1 1 0 !p2
1 1 1 Pn

Examples: 

dot.f32
p0 dot.f32
p1 dot.f32
p2 dot.f32
!p0 dot.f32
!p1 dot.f32
!p2 dot.f32
Pn dot.f32

mad.f32
p0 mad.f32
p1 mad.f32
p2 mad.f32
!p0 mad.f32
!p1 mad.f32
!p2 mad.f32
Pn mad.f32

0x20000000 - 0x28000000

7 6 5 4 3 2 1 0
opcode1
0 0 1 0 0 0 0 0
7 6 5 4 3 2 1 0
opcode_select data_format
x x x x x x
7 6 5 4 3 2 1 0
opcode2
x 1 x x x
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

Notes:

Having bit 3 in byte 2 set to 0 produces invalid instruction

Fields:

opcode_select:

6 value
0 opcode2
1 opcode3

data_format:

5 value
0 f32
1 f16

opcode2 (depends on opcode_select):

opcode_select 6 5 4 value
0 0 0 0 invalid
0 0 0 1 invalid
0 0 1 0 dot
0 0 1 1 invalid
0 1 0 0 invalid
0 1 0 1 mov
0 1 1 0 rsq
0 1 1 1 rcp

0x28000000 - 0x30000000

7 6 5 4 3 2 1 0
opcode1
0 0 1 0 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x30000000 - 0x38000000

7 6 5 4 3 2 1 0
opcode1
0 0 1 1 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x38000000 - 0x40000000

7 6 5 4 3 2 1 0
opcode1
0 0 1 1 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x40000000 - 0x48000000

7 6 5 4 3 2 1 0
opcode1
0 1 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x48000000 - 0x50000000

7 6 5 4 3 2 1 0
opcode1
0 1 0 0 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x50000000 - 0x58000000

7 6 5 4 3 2 1 0
opcode1
0 1 0 1 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x58000000 - 0x60000000

7 6 5 4 3 2 1 0
opcode1
0 1 0 1 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x60000000 - 0x68000000

7 6 5 4 3 2 1 0
opcode1
0 1 1 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x68000000 - 0x70000000

7 6 5 4 3 2 1 0
opcode1
0 1 1 0 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x70000000 - 0x78000000

7 6 5 4 3 2 1 0
opcode1
0 1 1 1 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x78000000 - 0x80000000

7 6 5 4 3 2 1 0
opcode1
0 1 1 1 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x80000000 - 0x88000000

7 6 5 4 3 2 1 0
opcode1
1 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x88000000 - 0x90000000

7 6 5 4 3 2 1 0
opcode1
1 0 0 0 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x90000000 - 0x98000000

7 6 5 4 3 2 1 0
opcode1
1 0 0 1 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0x98000000 - 0xA0000000

7 6 5 4 3 2 1 0
opcode1
1 0 0 1 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xA0000000 - 0xA8000000

7 6 5 4 3 2 1 0
opcode1
1 0 1 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xA8000000 - 0xB0000000

7 6 5 4 3 2 1 0
opcode1
1 0 1 0 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xB0000000 - 0xB8000000

7 6 5 4 3 2 1 0
opcode1
1 0 1 1 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xB8000000 - 0xC0000000

7 6 5 4 3 2 1 0
opcode1
1 0 1 1 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xC0000000 - 0xC8000000

7 6 5 4 3 2 1 0
opcode1
1 1 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xC8000000 - 0xD0000000

7 6 5 4 3 2 1 0
opcode1
1 1 0 0 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xD0000000 - 0xD8000000

7 6 5 4 3 2 1 0
opcode1
1 1 0 1 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xD8000000 - 0xE0000000

7 6 5 4 3 2 1 0
opcode1
1 1 0 1 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xE0000000 - 0xE8000000

7 6 5 4 3 2 1 0
opcode1
1 1 1 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xE8000000 - 0xF0000000

7 6 5 4 3 2 1 0
opcode1
1 1 1 0 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xF0000000 - 0xF8000000

7 6 5 4 3 2 1 0
opcode1
1 1 1 1 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?

0xF8000000 - 0xFF000000

7 6 5 4 3 2 1 0
opcode1
1 1 1 1 1 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
? ? ? ? ? ? ? ?
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