READ_IMPWIRE — Read Import Wire IMPWIRE

Instruction Word

Slot
Inst
6
3
6
2
6
1
6
0
5
9
5
8
5
7
5
6
5
5
5
4
5
3
5
2
5
1
5
0
4
9
4
8
4
7
4
6
4
5
4
4
4
3
4
2
4
1
4
0
3
9
3
8
3
7
3
6
3
5
3
4
3
3
3
2
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
9876543210
Format x24 - 24 bit(s) 0
READ_IMPWIRE 0000111000000000 0000
t 3210

Assembler Syntax

READ_IMPWIRE at

C Syntax

#include <xtensa/tie/xt_ioports.h>

extern unsigned READ_IMPWIRE(void);

Description

(please consult the Xtensa ® Instruction Set Architecture Reference Manual for any cross references and additional information)

READ_IMPWIRE reads the 32-bit data value from the import wire IMPWIRE and stores the value to address register at.

Operation

AR[t] ← TIE_IMPWIRE

Exceptions

  • EveryInstR Group
  • Implementation Pipeline

    In Out
    art Estage

    Protos that use READ_IMPWIRE

    proto READ_IMPWIRE { out uint32 art }{}{
    READ_IMPWIRE art;
    }