choice
prompt "MMU Version"
- default ARC_MMU_V3 if ARC_CPU_770
- default ARC_MMU_V4 if ARC_CPU_HS
-
-if ISA_ARCOMPACT
-
-config ARC_MMU_V1
- bool "MMU v1"
- help
- Orig ARC700 MMU
-
-config ARC_MMU_V2
- bool "MMU v2"
- help
- Fixed the deficiency of v1 - possible thrashing in memcpy scenario
- when 2 D-TLB and 1 I-TLB entries index into same 2way set.
+ default ARC_MMU_V3 if ISA_ARCOMPACT
+ default ARC_MMU_V4 if ISA_ARCV2
config ARC_MMU_V3
bool "MMU v3"
- depends on ARC_CPU_770
+ depends on ISA_ARCOMPACT
help
Introduced with ARC700 4.10: New Features
Variable Page size (1k-16k), var JTLB size 128 x (2 or 4)
Shared Address Spaces (SASID)
-endif
-
config ARC_MMU_V4
bool "MMU v4"
depends on ISA_ARCV2
config ARC_PAGE_SIZE_16K
bool "16KB"
- depends on ARC_MMU_V3 || ARC_MMU_V4
config ARC_PAGE_SIZE_4K
bool "4KB"
endchoice
+config PGTABLE_LEVELS
+ int "Number of Page table levels"
+ default 2
+
config ARC_COMPACT_IRQ_LEVELS
depends on ISA_ARCOMPACT
bool "Setup Timer IRQ as high Priority"
If you don't debug the kernel, you can say N, but we may not be able
to solve problems without frame unwind information
-config ARC_DBG_TLB_PARANOIA
- bool "Paranoia Checks in Low Level TLB Handlers"
-
config ARC_DBG_JUMP_LABEL
bool "Paranoid checks in Static Keys (jump labels) code"
depends on JUMP_LABEL