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yaml --- r: 77691 b: refs/heads/master c: 4690bdc h: refs/heads/master i: 77689: 042e364 77687: ef16f83 v: v3
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Paul Mundt
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Jan 28, 2008
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refs/heads/master: 114f132975ae8db3caa0c3420dc1083bae8d3757 | ||
refs/heads/master: 4690bdc7c6e4f18fb58350ccde40df5fcd85a6d9 |
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menu "Processor features" | ||
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choice | ||
prompt "Endianess selection" | ||
default CPU_LITTLE_ENDIAN | ||
help | ||
Some SuperH machines can be configured for either little or big | ||
endian byte order. These modes require different kernels. | ||
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config CPU_LITTLE_ENDIAN | ||
bool "Little Endian" | ||
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config CPU_BIG_ENDIAN | ||
bool "Big Endian" | ||
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endchoice | ||
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config SH_FPU | ||
bool "FPU support" | ||
depends on CPU_HAS_FPU | ||
default y | ||
help | ||
Selecting this option will enable support for SH processors that | ||
have FPU units (ie, SH77xx). | ||
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This option must be set in order to enable the FPU. | ||
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config SH_FPU_EMU | ||
bool "FPU emulation support" | ||
depends on !SH_FPU && EXPERIMENTAL | ||
default n | ||
help | ||
Selecting this option will enable support for software FPU emulation. | ||
Most SH-3 users will want to say Y here, whereas most SH-4 users will | ||
want to say N. | ||
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config SH_DSP | ||
bool "DSP support" | ||
depends on CPU_HAS_DSP | ||
default y | ||
help | ||
Selecting this option will enable support for SH processors that | ||
have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP). | ||
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This option must be set in order to enable the DSP. | ||
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config SH_ADC | ||
bool "ADC support" | ||
depends on CPU_SH3 | ||
default y | ||
help | ||
Selecting this option will allow the Linux kernel to use SH3 on-chip | ||
ADC module. | ||
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If unsure, say N. | ||
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config SH_STORE_QUEUES | ||
bool "Support for Store Queues" | ||
depends on CPU_SH4 | ||
help | ||
Selecting this option will enable an in-kernel API for manipulating | ||
the store queues integrated in the SH-4 processors. | ||
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config SPECULATIVE_EXECUTION | ||
bool "Speculative subroutine return" | ||
depends on CPU_SUBTYPE_SH7780 && EXPERIMENTAL | ||
help | ||
This enables support for a speculative instruction fetch for | ||
subroutine return. There are various pitfalls associated with | ||
this, as outlined in the SH7780 hardware manual. | ||
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If unsure, say N. | ||
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config CPU_HAS_INTEVT | ||
bool | ||
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config CPU_HAS_MASKREG_IRQ | ||
bool | ||
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config CPU_HAS_IPR_IRQ | ||
bool | ||
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config CPU_HAS_SR_RB | ||
bool | ||
help | ||
This will enable the use of SR.RB register bank usage. Processors | ||
that are lacking this bit must have another method in place for | ||
accomplishing what is taken care of by the banked registers. | ||
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See <file:Documentation/sh/register-banks.txt> for further | ||
information on SR.RB and register banking in the kernel in general. | ||
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config CPU_HAS_PTEA | ||
bool | ||
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config CPU_HAS_DSP | ||
bool | ||
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config CPU_HAS_FPU | ||
bool | ||
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endmenu |
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