Specifications

Intel

Quark Core—Instruction Set Summary

Intel

Quark SoC X1000 Core

Developer’s Manual October 2013

282 Order Number: 329679-001US

Variable Port 1110 110w 16 10 30 29

INS = Input Byte/Word from DX Port

0110 110w 17 10 32 30

OUTS = Output Byte/Word to DX Port

0110 111w 17 10 32 30 1

REP INS = Input String

1111 0010 : 0110 110w 16+8c 10+8c 30+8c 29+8c 2

REP OUTS = Output String

1111 0010 : 0110 111w 17+5c 11+5c 31+5c 30+5c 3

Table 93. I/O Instructions Clock Count Summary (Sheet 2 of 2)

Instruction Format

Real

Mode

Protected

Mode

(CPL≤IOPL)

Protected

Mode

(CPL>IOPL)

Virtual

Mode

Notes

Notes:

1. Two clock cache miss penalty in all cases.

2. c = count in CX or ECX.

3. Cache miss penalty in all modes: Add two clocks for every 16 bytes. Entire penalty on second

operation.