Last Barrier Synchronization Status Read (ASI_LBSYR0,

ASI_LBSYR1)

[1]Register Name: ASI_LBSYR0, ASI_LBSYR1

[2]

ASI:

EF16

[3]

VA:

0016 (ASI_LBSYR0), 0816 (ASI_LBSYR1).

[4]

RW

Read (Write is ignored)

ASI_LBSYRx is a read interface to the copy of LBSY. A write to ASI_LBSYRx is ignored.

Bit

Name

RW

Description

 

 

 

 

0

RV

R

Read value. The bit designated by ASI_C_LBSYRx is shown.

 

 

 

 

Barrier State Write (ASI_BSTW0, ASI_BSTW1)

[1]Register Name: ASI_BSTW0, ASI_BSTW1

[2]

ASI:

EF16

[3]

VA:

8016 (ASI_BSTW0), 8816 (ASI_BSTW1).

[4]

RW

Write (0 is returned on read)

ASI_BSTWx is a write interface to LBSY on the SB. On read, 0 is returned.

Bit

Name

RW

Description

 

 

 

 

0

WV

W

Write value. The bit designated by ASI_C_BSTWx is written.

 

 

 

 

124 SPARC JPS1 Implementation Supplement: Fujitsu SPARC64 V • Release 1.0, 1 July 2002

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Fujitsu Fujitsu SPARC64 V Last Barrier Synchronization Status Read ASILBSYR0, Barrier State Write ASIBSTW0, ASIBSTW1, EF16