Sun Microsystems UltraSPARC-I User Manual page 167

raSPARC User's Manual
Table 8-2 UltraSPARC Extended (non-SPARC-V9) ASIs (Continued)
SI
ASI Name (Suggested Macro Syntax)
lue
A ASI_FL16_PRIMARY_LITTLE
16
(ASI_FL16_PL)
B ASI_FL16_SECONDARY_LITTLE
16
(ASI_FL16_SL)
ASI_BLK_COMMIT_PRIMARY
16
(ASI_BLK_COMMIT_P)
1 ASI_BLK_COMMIT_SECONDARY
16
(ASI_BLK_COMMIT_S)
ASI_BLOCK_PRIMARY (ASI_BLK_P)
16
ASI_BLOCK_SECONDARY (ASI_BLK_S)
16
ASI_BLOCK_PRIMARY_LITTLE
16
(ASI_BLK_PL)
ASI_BLOCK_SECONDARY_LITTLE
16
(ASI_BLK_SL)
ad-/write-only accesses cause a
/16-/32-/64-bit accesses allowed.
DDA, STDFA or STXA only. Other types of access cause a
DDFA/STDFA only. Other types of access cause a
n be used with LDSTUBA, SWAPA, CAS(X)A.
uses a trap if the page being accessed is privileged.
data_access_exception
3.3 Other UltraSPARC ASI Extensions
3.3.1 UPA Port ID Register
The per-processor UPA_PORT_ID Register can be accessed only from the System
Bus as a read-only, noncacheable, slave access at offset 0 of the slave address
space of the processor port.
This register indicates the capability of the CPU module. See Table 10-1, "Ma-
chine State After Reset and in RED_state," on page 172 for the state of this regis-
ter after reset.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com Consult the UltraSPARC-I Data Sheet for the contents of this register's ID field.
VA
—
—
—
—
—
—
—
—
trap if written/read respectively.
data_access_exception
data_access_exception
data_access_exception
Access Description
4
RW Primary address space, one 16-bit
floating point load/store, little
endian
4
RW Secondary address space, one 16-
bit floating point load/store, lit-
tle endian
1,4
W Primary address space, block
store commit operation
1,4
W Secondary address space, block
store commit operation
4
RW Primary address space, block
load/store
4
RW Secondary address space, block
load/store
4
RW Primary address space, block
load/store, little endian
4
RW Secondary address space, block
load/store, little endian
trap.
trap.
Section
13.6.2
13.6.2
13.6.4
13.6.4
13.6.4
13.6.4
13.6.4
13.6.4