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spitfire-mmu

Provided by

spitfire-mmu

Class Hierarchy

conf-object → log-object → spitfire-mmu

Interfaces Implemented

log_object, mmu

Description

The spitfire-mmu models the MMU in UltraSPARC-I (Spitfire) and UltraSPARC-II (Blackbird) processors.

Attributes

Attributes inherited from class conf-object

attributes, classname, component, iface, name, object_id, queue

Attributes inherited from class log-object

access_count, log_buffer, log_buffer_last, log_buffer_size, log_group_mask, log_groups, log_level, log_type_mask

Attribute List

cpu

Pseudo attribute; read-only access; type: Object.

Processor that the MMU is connected to.

ctxt_nucleus

Optional attribute; read/write access; type: unknown type.

Nucleus context register (hardwired to zero).

ctxt_primary

Optional attribute; read/write access; type: unknown type.

Context identifier for the primary address space.

ctxt_secondary

Optional attribute; read/write access; type: unknown type.

Context identifier for the secondary address space.

d_translation

Pseudo attribute; read-only access; type: [ii]; integer indexed; indexed type: unknown type.

Returns the D-TLB translation of a given address (read-only pseudo attribute).

dsfar

Optional attribute; read/write access; type: unknown type.

D-MMU synchronous fault address register (SFAR).

dsfsr

Optional attribute; read/write access; type: unknown type.

D-MMU synchronous fault status register (SFSR).

dtag_access

Optional attribute; read/write access; type: unknown type.

D-TLB tag access register.

dtag_target

Optional attribute; read/write access; type: unknown type.

D-TSB tag target register.

dtlb_daccess

Optional attribute; read/write access; type: unknown type.

I-TLB data access register.

dtlb_tagread

Optional attribute; read/write access; type: unknown type.

I-TLB tag read register.

dtsb

Optional attribute; read/write access; type: unknown type.

D-translation storage buffer (TSB) register.

dtsbp64k

Optional attribute; read/write access; type: unknown type.

D-TSB 64Kb pointer register.

dtsbp8k

Optional attribute; read/write access; type: unknown type.

D-TSB 8Kb pointer register.

dtsbpd

Optional attribute; read/write access; type: unknown type.

D-TSB direct pointer register.

i_translation

Pseudo attribute; read-only access; type: [ii]; integer indexed; indexed type: unknown type.

Returns the D-TLB translation of a given address (read-only pseudo attribute).

isfsr

Optional attribute; read/write access; type: unknown type.

I-MMU synchronous fault status register (SFSR).

itag_access

Optional attribute; read/write access; type: unknown type.

I-TLB tag access register.

itag_target

Optional attribute; read/write access; type: unknown type.

I-TSB tag target register.

itlb_daccess

Optional attribute; read/write access; type: unknown type.

I-TLB data access register.

itlb_tagread

Optional attribute; read/write access; type: unknown type.

I-TLB tag read register.

itsb

Optional attribute; read/write access; type: unknown type.

I-translation storage buffer (TSB) register.

itsbp64k

Optional attribute; read/write access; type: unknown type.

I-TSB 64Kb pointer register.

itsbp8k

Optional attribute; read/write access; type: unknown type.

I-TSB 8Kb pointer register.

lsu_ctrl

Optional attribute; read/write access; type: unknown type.

Load/Store Unit (LSU) control register.

pa_watchpoint

Optional attribute; read/write access; type: unknown type.

PA Watchpoint Address

registers

Pseudo attribute; read-only access; type: unknown type; integer or string indexed; indexed type: unknown type.

Used to translate between register index and register name for all MMU registers that can generate haps when written. When indexed with an integer, the name is returned, and vice versa. When not indexed, an array with all names is returned in (register index) order.

trace

Session attribute; read/write access; type: unknown type.

No documentation available.

va_watchpoint

Optional attribute; read/write access; type: unknown type.

VA Watchpoint Address

Command List

Commands defined by interface log_object

log, log-group, log-level, log-size, log-type

Commands

d-probe	check data TLB for translation
d-tlb	print data TLB contents
i-probe	check instruction TLB for translation
i-tlb	print instruction TLB contents
info	print information about the device
regs	print mmu registers
reverse-lookup	check TLBs for reverse translation
trace	toggle trace functionality

Command Descriptions

<spitfire-mmu>.d-probe

Synopsis

<spitfire-mmu>.d-probe address
<spitfire-mmu>.i-probe address

Description

Translate a virtual address to physical
The translation is based on the mappings in the instruction or data TLB.

See Also

<spitfire-mmu>.d-tlb

<spitfire-mmu>.d-tlb

Synopsis

<spitfire-mmu>.d-tlb
<spitfire-mmu>.i-tlb

Description

print the content of the data TLB

See Also

<spitfire-mmu>.d-probe

<spitfire-mmu>.i-probe

Synopsis

<spitfire-mmu>.i-probe address
<spitfire-mmu>.d-probe address

Description

Translate a virtual address to physical
The translation is based on the mappings in the instruction or data TLB.

See Also

<spitfire-mmu>.d-tlb

<spitfire-mmu>.i-tlb

Synopsis

<spitfire-mmu>.i-tlb
<spitfire-mmu>.d-tlb

Description

print the content of the data TLB

See Also

<spitfire-mmu>.d-probe

<spitfire-mmu>.info

Synopsis

<spitfire-mmu>.info

Description

Print detailed information about the configuration of the device.

<spitfire-mmu>.regs

Synopsis

<spitfire-mmu>.regs

Description

Print the content of the spitfire-mmu MMU registers

<spitfire-mmu>.reverse-lookup

Synopsis

<spitfire-mmu>.reverse-lookup address

Description

List mappings in all TLBs that matches the specified physical address

See Also

<spitfire-mmu>.d-probe

<spitfire-mmu>.trace

Synopsis

<spitfire-mmu>.trace

Description

Toggles trace mode
When active, lists all changes to TLB entries and to MMU registers.

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