2006-01-17 01:14:19 -05:00
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#
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# Processor families
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#
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config CPU_SH2
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bool
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2006-11-05 01:40:13 -05:00
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config CPU_SH2A
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bool
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select CPU_SH2
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2006-01-17 01:14:19 -05:00
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config CPU_SH3
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bool
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select CPU_HAS_INTEVT
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select CPU_HAS_SR_RB
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config CPU_SH4
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bool
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select CPU_HAS_INTEVT
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select CPU_HAS_SR_RB
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2006-12-27 20:31:48 -05:00
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select CPU_HAS_PTEA if (!CPU_SUBTYPE_ST40 && !CPU_SH4A) || CPU_SHX2
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2007-09-11 05:10:23 -04:00
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select CPU_HAS_FPU if !CPU_SH4AL_DSP
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2006-01-17 01:14:19 -05:00
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config CPU_SH4A
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bool
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select CPU_SH4
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2006-09-27 04:38:11 -04:00
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config CPU_SH4AL_DSP
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bool
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select CPU_SH4A
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2007-07-25 03:26:10 -04:00
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select CPU_HAS_DSP
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2006-09-27 04:38:11 -04:00
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2006-01-17 01:14:19 -05:00
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config CPU_SUBTYPE_ST40
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bool
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select CPU_SH4
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2006-12-11 06:28:03 -05:00
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config CPU_SHX2
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bool
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2007-06-20 05:27:10 -04:00
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config CPU_SHX3
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bool
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2007-05-14 04:29:12 -04:00
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choice
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prompt "Processor sub-type selection"
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2006-01-17 01:14:19 -05:00
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#
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# Processor subtypes
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#
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2007-05-14 04:29:12 -04:00
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# SH-2 Processor Support
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2006-01-17 01:14:19 -05:00
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2006-11-05 01:40:13 -05:00
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config CPU_SUBTYPE_SH7619
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bool "Support SH7619 processor"
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select CPU_SH2
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2007-05-14 04:29:12 -04:00
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# SH-2A Processor Support
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2006-11-05 01:40:13 -05:00
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config CPU_SUBTYPE_SH7206
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bool "Support SH7206 processor"
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select CPU_SH2A
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2007-05-14 04:29:12 -04:00
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# SH-3 Processor Support
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2006-01-17 01:14:19 -05:00
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config CPU_SUBTYPE_SH7705
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bool "Support SH7705 processor"
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select CPU_SH3
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2006-09-27 04:38:11 -04:00
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config CPU_SUBTYPE_SH7706
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bool "Support SH7706 processor"
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select CPU_SH3
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help
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Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
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2006-01-17 01:14:19 -05:00
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config CPU_SUBTYPE_SH7707
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bool "Support SH7707 processor"
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select CPU_SH3
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help
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Select SH7707 if you have a 60 Mhz SH-3 HD6417707 CPU.
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config CPU_SUBTYPE_SH7708
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bool "Support SH7708 processor"
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select CPU_SH3
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help
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Select SH7708 if you have a 60 Mhz SH-3 HD6417708S or
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if you have a 100 Mhz SH-3 HD6417708R CPU.
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config CPU_SUBTYPE_SH7709
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bool "Support SH7709 processor"
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select CPU_SH3
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help
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Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.
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2006-09-27 04:38:11 -04:00
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config CPU_SUBTYPE_SH7710
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bool "Support SH7710 processor"
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select CPU_SH3
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2007-07-25 03:26:10 -04:00
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select CPU_HAS_DSP
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2006-09-27 04:38:11 -04:00
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help
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Select SH7710 if you have a SH3-DSP SH7710 CPU.
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2007-03-27 05:13:51 -04:00
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config CPU_SUBTYPE_SH7712
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bool "Support SH7712 processor"
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select CPU_SH3
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2007-07-25 03:26:10 -04:00
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select CPU_HAS_DSP
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2007-03-27 05:13:51 -04:00
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help
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Select SH7712 if you have a SH3-DSP SH7712 CPU.
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2007-08-19 19:59:33 -04:00
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config CPU_SUBTYPE_SH7720
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bool "Support SH7720 processor"
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select CPU_SH3
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select CPU_HAS_DSP
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help
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Select SH7720 if you have a SH3-DSP SH7720 CPU.
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2007-05-14 04:29:12 -04:00
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# SH-4 Processor Support
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2006-01-17 01:14:19 -05:00
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config CPU_SUBTYPE_SH7750
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bool "Support SH7750 processor"
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select CPU_SH4
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help
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Select SH7750 if you have a 200 Mhz SH-4 HD6417750 CPU.
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config CPU_SUBTYPE_SH7091
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bool "Support SH7091 processor"
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select CPU_SH4
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help
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Select SH7091 if you have an SH-4 based Sega device (such as
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the Dreamcast, Naomi, and Naomi 2).
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config CPU_SUBTYPE_SH7750R
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bool "Support SH7750R processor"
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select CPU_SH4
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config CPU_SUBTYPE_SH7750S
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bool "Support SH7750S processor"
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select CPU_SH4
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config CPU_SUBTYPE_SH7751
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bool "Support SH7751 processor"
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select CPU_SH4
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help
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Select SH7751 if you have a 166 Mhz SH-4 HD6417751 CPU,
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or if you have a HD6417751R CPU.
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config CPU_SUBTYPE_SH7751R
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bool "Support SH7751R processor"
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select CPU_SH4
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config CPU_SUBTYPE_SH7760
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bool "Support SH7760 processor"
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select CPU_SH4
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config CPU_SUBTYPE_SH4_202
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bool "Support SH4-202 processor"
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select CPU_SH4
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2007-05-14 04:29:12 -04:00
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# ST40 Processor Support
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2006-01-17 01:14:19 -05:00
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config CPU_SUBTYPE_ST40STB1
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bool "Support ST40STB1/ST40RA processors"
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select CPU_SUBTYPE_ST40
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help
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Select ST40STB1 if you have a ST40RA CPU.
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This was previously called the ST40STB1, hence the option name.
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config CPU_SUBTYPE_ST40GX1
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bool "Support ST40GX1 processor"
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select CPU_SUBTYPE_ST40
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help
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Select ST40GX1 if you have a ST40GX1 CPU.
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2007-05-14 04:29:12 -04:00
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# SH-4A Processor Support
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2006-01-17 01:14:19 -05:00
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config CPU_SUBTYPE_SH7770
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bool "Support SH7770 processor"
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select CPU_SH4A
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config CPU_SUBTYPE_SH7780
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bool "Support SH7780 processor"
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select CPU_SH4A
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2006-11-20 00:14:29 -05:00
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config CPU_SUBTYPE_SH7785
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bool "Support SH7785 processor"
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select CPU_SH4A
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2006-12-11 06:28:03 -05:00
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select CPU_SHX2
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2007-09-20 22:34:31 -04:00
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select ARCH_SPARSEMEM_ENABLE
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select SYS_SUPPORTS_NUMA
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2006-11-20 00:14:29 -05:00
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2007-06-20 05:27:10 -04:00
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config CPU_SUBTYPE_SHX3
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bool "Support SH-X3 processor"
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select CPU_SH4A
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select CPU_SHX3
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2007-08-01 04:52:47 -04:00
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select ARCH_SPARSEMEM_ENABLE
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select SYS_SUPPORTS_NUMA
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2007-09-21 06:16:05 -04:00
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select SYS_SUPPORTS_SMP
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2007-06-20 05:27:10 -04:00
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2007-05-14 04:29:12 -04:00
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# SH4AL-DSP Processor Support
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2006-09-27 04:38:11 -04:00
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config CPU_SUBTYPE_SH7343
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bool "Support SH7343 processor"
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select CPU_SH4AL_DSP
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2006-12-11 06:28:03 -05:00
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config CPU_SUBTYPE_SH7722
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bool "Support SH7722 processor"
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select CPU_SH4AL_DSP
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select CPU_SHX2
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2007-06-06 04:58:56 -04:00
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select ARCH_SPARSEMEM_ENABLE
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2007-06-11 02:32:07 -04:00
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select SYS_SUPPORTS_NUMA
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2006-12-11 06:28:03 -05:00
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2007-05-14 04:29:12 -04:00
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endchoice
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2006-01-17 01:14:19 -05:00
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menu "Memory management options"
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2007-05-07 22:55:21 -04:00
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config QUICKLIST
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def_bool y
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2006-01-17 01:14:19 -05:00
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config MMU
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bool "Support for memory management hardware"
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depends on !CPU_SH2
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default y
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help
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Some SH processors (such as SH-2/SH-2A) lack an MMU. In order to
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boot on these systems, this option must not be set.
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On other systems (such as the SH-3 and 4) where an MMU exists,
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turning this off will boot the kernel on these machines with the
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MMU implicitly switched off.
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2006-09-27 04:19:13 -04:00
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config PAGE_OFFSET
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hex
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default "0x80000000" if MMU
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default "0x00000000"
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config MEMORY_START
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hex "Physical memory start address"
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default "0x08000000"
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---help---
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Computers built with Hitachi SuperH processors always
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map the ROM starting at address zero. But the processor
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does not specify the range that RAM takes.
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The physical memory (RAM) start address will be automatically
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set to 08000000. Other platforms, such as the Solution Engine
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boards typically map RAM at 0C000000.
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Tweak this only when porting to a new machine which does not
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already have a defconfig. Changing it from the known correct
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value on any of the known systems will only lead to disaster.
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config MEMORY_SIZE
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hex "Physical memory size"
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default "0x00400000"
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help
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This sets the default memory size assumed by your SH kernel. It can
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be overridden as normal by the 'mem=' argument on the kernel command
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line. If unsure, consult your board specifications or just leave it
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as 0x00400000 which was the default value before this became
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configurable.
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2006-01-17 01:14:19 -05:00
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config 32BIT
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bool "Support 32-bit physical addressing through PMB"
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2007-06-15 05:30:42 -04:00
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depends on MMU && (CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785)
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2006-01-17 01:14:19 -05:00
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default y
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help
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If you say Y here, physical addressing will be extended to
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32-bits through the SH-4A PMB. If this is not set, legacy
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29-bit physical addressing will be used.
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2006-11-20 00:30:26 -05:00
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config X2TLB
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bool "Enable extended TLB mode"
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2006-12-11 06:28:03 -05:00
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depends on CPU_SHX2 && MMU && EXPERIMENTAL
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2006-11-20 00:30:26 -05:00
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help
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Selecting this option will enable the extended mode of the SH-X2
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TLB. For legacy SH-X behaviour and interoperability, say N. For
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all of the fun new features and a willingless to submit bug reports,
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say Y.
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2006-09-27 05:33:49 -04:00
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config VSYSCALL
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bool "Support vsyscall page"
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depends on MMU
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default y
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help
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This will enable support for the kernel mapping a vDSO page
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in process space, and subsequently handing down the entry point
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to the libc through the ELF auxiliary vector.
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From the kernel side this is used for the signal trampoline.
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For systems with an MMU that can afford to give up a page,
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(the default value) say Y.
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2007-06-06 04:52:19 -04:00
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config NUMA
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bool "Non Uniform Memory Access (NUMA) Support"
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2007-06-11 02:32:07 -04:00
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depends on MMU && SYS_SUPPORTS_NUMA && EXPERIMENTAL
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2007-06-06 04:52:19 -04:00
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default n
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help
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Some SH systems have many various memories scattered around
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the address space, each with varying latencies. This enables
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support for these blocks by binding them to nodes and allowing
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memory policies to be used for prioritizing and controlling
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allocation behaviour.
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2007-03-28 03:38:13 -04:00
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config NODES_SHIFT
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int
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2007-08-08 03:45:07 -04:00
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default "3" if CPU_SUBTYPE_SHX3
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2007-03-28 03:38:13 -04:00
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default "1"
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depends on NEED_MULTIPLE_NODES
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config ARCH_FLATMEM_ENABLE
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def_bool y
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2007-06-11 02:32:07 -04:00
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depends on !NUMA
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2007-03-28 03:38:13 -04:00
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2007-05-23 04:48:36 -04:00
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config ARCH_SPARSEMEM_ENABLE
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def_bool y
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select SPARSEMEM_STATIC
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config ARCH_SPARSEMEM_DEFAULT
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def_bool y
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2007-05-09 00:20:52 -04:00
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config MAX_ACTIVE_REGIONS
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int
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2007-08-01 04:52:47 -04:00
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default "6" if (CPU_SUBTYPE_SHX3 && SPARSEMEM)
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2007-06-06 04:58:56 -04:00
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default "2" if (CPU_SUBTYPE_SH7722 && SPARSEMEM)
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2007-05-09 00:20:52 -04:00
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default "1"
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2007-03-28 03:38:13 -04:00
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config ARCH_POPULATES_NODE_MAP
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def_bool y
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2007-05-23 04:48:36 -04:00
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config ARCH_SELECT_MEMORY_MODEL
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def_bool y
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2007-06-06 22:32:52 -04:00
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config ARCH_ENABLE_MEMORY_HOTPLUG
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def_bool y
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depends on SPARSEMEM
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config ARCH_MEMORY_PROBE
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def_bool y
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depends on MEMORY_HOTPLUG
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2006-11-20 00:30:26 -05:00
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choice
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prompt "Kernel page size"
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default PAGE_SIZE_4KB
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config PAGE_SIZE_4KB
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bool "4kB"
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help
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This is the default page size used by all SuperH CPUs.
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config PAGE_SIZE_8KB
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bool "8kB"
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depends on EXPERIMENTAL && X2TLB
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help
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This enables 8kB pages as supported by SH-X2 and later MMUs.
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config PAGE_SIZE_64KB
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bool "64kB"
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depends on EXPERIMENTAL && CPU_SH4
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help
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|
This enables support for 64kB pages, possible on all SH-4
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CPUs and later. Highly experimental, not recommended.
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endchoice
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|
2006-01-17 01:14:19 -05:00
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choice
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|
|
prompt "HugeTLB page size"
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|
|
depends on HUGETLB_PAGE && CPU_SH4 && MMU
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|
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|
default HUGETLB_PAGE_SIZE_64K
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|
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config HUGETLB_PAGE_SIZE_64K
|
2006-11-20 00:30:26 -05:00
|
|
|
bool "64kB"
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|
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|
|
config HUGETLB_PAGE_SIZE_256K
|
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|
|
|
bool "256kB"
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|
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|
|
depends on X2TLB
|
2006-01-17 01:14:19 -05:00
|
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|
|
config HUGETLB_PAGE_SIZE_1MB
|
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|
|
bool "1MB"
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|
|
|
2006-11-20 00:30:26 -05:00
|
|
|
config HUGETLB_PAGE_SIZE_4MB
|
|
|
|
|
bool "4MB"
|
|
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|
|
depends on X2TLB
|
|
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|
|
|
|
config HUGETLB_PAGE_SIZE_64MB
|
|
|
|
|
bool "64MB"
|
|
|
|
|
depends on X2TLB
|
|
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|
|
|
2006-01-17 01:14:19 -05:00
|
|
|
endchoice
|
|
|
|
|
|
|
|
|
|
source "mm/Kconfig"
|
|
|
|
|
|
|
|
|
|
endmenu
|
|
|
|
|
|
|
|
|
|
menu "Cache configuration"
|
|
|
|
|
|
|
|
|
|
config SH7705_CACHE_32KB
|
|
|
|
|
bool "Enable 32KB cache size for SH7705"
|
|
|
|
|
depends on CPU_SUBTYPE_SH7705
|
|
|
|
|
default y
|
|
|
|
|
|
|
|
|
|
config SH_DIRECT_MAPPED
|
|
|
|
|
bool "Use direct-mapped caching"
|
|
|
|
|
default n
|
|
|
|
|
help
|
|
|
|
|
Selecting this option will configure the caches to be direct-mapped,
|
|
|
|
|
even if the cache supports a 2 or 4-way mode. This is useful primarily
|
|
|
|
|
for debugging on platforms with 2 and 4-way caches (SH7750R/SH7751R,
|
|
|
|
|
SH4-202, SH4-501, etc.)
|
|
|
|
|
|
|
|
|
|
Turn this option off for platforms that do not have a direct-mapped
|
|
|
|
|
cache, and you have no need to run the caches in such a configuration.
|
|
|
|
|
|
2007-07-31 04:07:28 -04:00
|
|
|
choice
|
|
|
|
|
prompt "Cache mode"
|
|
|
|
|
default CACHE_WRITEBACK if CPU_SH2A || CPU_SH3 || CPU_SH4
|
|
|
|
|
default CACHE_WRITETHROUGH if (CPU_SH2 && !CPU_SH2A)
|
|
|
|
|
|
|
|
|
|
config CACHE_WRITEBACK
|
|
|
|
|
bool "Write-back"
|
|
|
|
|
depends on CPU_SH2A || CPU_SH3 || CPU_SH4
|
|
|
|
|
|
|
|
|
|
config CACHE_WRITETHROUGH
|
|
|
|
|
bool "Write-through"
|
2006-01-17 01:14:19 -05:00
|
|
|
help
|
|
|
|
|
Selecting this option will configure the caches in write-through
|
|
|
|
|
mode, as opposed to the default write-back configuration.
|
|
|
|
|
|
|
|
|
|
Since there's sill some aliasing issues on SH-4, this option will
|
|
|
|
|
unfortunately still require the majority of flushing functions to
|
|
|
|
|
be implemented to deal with aliasing.
|
|
|
|
|
|
|
|
|
|
If unsure, say N.
|
|
|
|
|
|
2007-07-31 04:07:28 -04:00
|
|
|
config CACHE_OFF
|
|
|
|
|
bool "Off"
|
|
|
|
|
|
|
|
|
|
endchoice
|
|
|
|
|
|
2006-01-17 01:14:19 -05:00
|
|
|
endmenu
|
