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体验新版 GitCode,发现更多精彩内容 >>
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a116f6d5
编写于
5月 26, 2009
作者:
M
Michal Simek
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microblaze_mmu_v2: Kconfig update
Signed-off-by:
N
Michal Simek
<
monstr@monstr.eu
>
上级
8b3f7d5c
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1
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with
109 addition
and
3 deletion
+109
-3
arch/microblaze/Kconfig
arch/microblaze/Kconfig
+109
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arch/microblaze/Kconfig
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a116f6d5
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@@ -54,11 +54,9 @@ config GENERIC_GPIO
def_bool y
config PCI
depends on !MMU
def_bool n
config NO_DMA
depends on !MMU
def_bool y
source "init/Kconfig"
...
...
@@ -76,7 +74,8 @@ source "kernel/Kconfig.preempt"
source "kernel/Kconfig.hz"
config MMU
def_bool n
bool "MMU support"
default n
config NO_MMU
bool
...
...
@@ -119,6 +118,113 @@ config PROC_DEVICETREE
endmenu
menu "Advanced setup"
config ADVANCED_OPTIONS
bool "Prompt for advanced kernel configuration options"
depends on MMU
help
This option will enable prompting for a variety of advanced kernel
configuration options. These options can cause the kernel to not
work if they are set incorrectly, but can be used to optimize certain
aspects of kernel memory management.
Unless you know what you are doing, say N here.
comment "Default settings for advanced configuration options are used"
depends on !ADVANCED_OPTIONS
config HIGHMEM_START_BOOL
bool "Set high memory pool address"
depends on ADVANCED_OPTIONS && HIGHMEM
help
This option allows you to set the base address of the kernel virtual
area used to map high memory pages. This can be useful in
optimizing the layout of kernel virtual memory.
Say N here unless you know what you are doing.
config HIGHMEM_START
hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
depends on MMU
default "0xfe000000"
config LOWMEM_SIZE_BOOL
bool "Set maximum low memory"
depends on ADVANCED_OPTIONS
help
This option allows you to set the maximum amount of memory which
will be used as "low memory", that is, memory which the kernel can
access directly, without having to set up a kernel virtual mapping.
This can be useful in optimizing the layout of kernel virtual
memory.
Say N here unless you know what you are doing.
config LOWMEM_SIZE
hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
depends on MMU
default "0x30000000"
config KERNEL_START_BOOL
bool "Set custom kernel base address"
depends on ADVANCED_OPTIONS
help
This option allows you to set the kernel virtual address at which
the kernel will map low memory (the kernel image will be linked at
this address). This can be useful in optimizing the virtual memory
layout of the system.
Say N here unless you know what you are doing.
config KERNEL_START
hex "Virtual address of kernel base" if KERNEL_START_BOOL
default "0xc0000000" if MMU
default KERNEL_BASE_ADDR if !MMU
config TASK_SIZE_BOOL
bool "Set custom user task size"
depends on ADVANCED_OPTIONS
help
This option allows you to set the amount of virtual address space
allocated to user tasks. This can be useful in optimizing the
virtual memory layout of the system.
Say N here unless you know what you are doing.
config TASK_SIZE
hex "Size of user task space" if TASK_SIZE_BOOL
depends on MMU
default "0x80000000"
config CONSISTENT_START_BOOL
bool "Set custom consistent memory pool address"
depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
help
This option allows you to set the base virtual address
of the the consistent memory pool. This pool of virtual
memory is used to make consistent memory allocations.
config CONSISTENT_START
hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
depends on MMU
default "0xff100000" if NOT_COHERENT_CACHE
config CONSISTENT_SIZE_BOOL
bool "Set custom consistent memory pool size"
depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
help
This option allows you to set the size of the the
consistent memory pool. This pool of virtual memory
is used to make consistent memory allocations.
config CONSISTENT_SIZE
hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
depends on MMU
default "0x00200000" if NOT_COHERENT_CACHE
endmenu
source "mm/Kconfig"
menu "Exectuable file formats"
...
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