MIPS: Add build support for the MIPS R6 ISA
Add build support for the latest revision (R6) of the MIPS ISA. microMIPS is not yet supported. Link: http://www.linux-mips.org/archives/linux-mips/2015-01/msg00386.html Cc: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>hifive-unleashed-5.1
Leonid Yegoshin
Markos Chandras
parent
b2498af56a
commit
7fd08ca58a
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@ -1305,6 +1305,21 @@ config CPU_MIPS32_R2
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specific type of processor in your system, choose those that one
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otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
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config CPU_MIPS32_R6
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bool "MIPS32 Release 6 (EXPERIMENTAL)"
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depends on SYS_HAS_CPU_MIPS32_R6
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select CPU_HAS_PREFETCH
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select CPU_SUPPORTS_32BIT_KERNEL
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select CPU_SUPPORTS_HIGHMEM
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select CPU_SUPPORTS_MSA
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select HAVE_KVM
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select MIPS_O32_FP64_SUPPORT
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help
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Choose this option to build a kernel for release 6 or later of the
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MIPS32 architecture. New MIPS processors, starting with the Warrior
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family, are based on a MIPS32r6 processor. If you own an older
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processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
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config CPU_MIPS64_R1
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bool "MIPS64 Release 1"
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depends on SYS_HAS_CPU_MIPS64_R1
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@ -1340,6 +1355,20 @@ config CPU_MIPS64_R2
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specific type of processor in your system, choose those that one
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otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
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config CPU_MIPS64_R6
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bool "MIPS64 Release 6 (EXPERIMENTAL)"
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depends on SYS_HAS_CPU_MIPS64_R6
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select CPU_HAS_PREFETCH
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select CPU_SUPPORTS_32BIT_KERNEL
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select CPU_SUPPORTS_64BIT_KERNEL
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select CPU_SUPPORTS_HIGHMEM
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select CPU_SUPPORTS_MSA
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help
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Choose this option to build a kernel for release 6 or later of the
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MIPS64 architecture. New MIPS processors, starting with the Warrior
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family, are based on a MIPS64r6 processor. If you own an older
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processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
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config CPU_R3000
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bool "R3000"
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depends on SYS_HAS_CPU_R3000
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@ -1540,7 +1569,7 @@ endchoice
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config CPU_MIPS32_3_5_FEATURES
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bool "MIPS32 Release 3.5 Features"
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depends on SYS_HAS_CPU_MIPS32_R3_5
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depends on CPU_MIPS32_R2
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depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
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help
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Choose this option to build a kernel for release 2 or later of the
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MIPS32 architecture including features from the 3.5 release such as
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@ -1660,12 +1689,18 @@ config SYS_HAS_CPU_MIPS32_R2
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config SYS_HAS_CPU_MIPS32_R3_5
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bool
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config SYS_HAS_CPU_MIPS32_R6
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bool
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config SYS_HAS_CPU_MIPS64_R1
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bool
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config SYS_HAS_CPU_MIPS64_R2
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bool
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config SYS_HAS_CPU_MIPS64_R6
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bool
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config SYS_HAS_CPU_R3000
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bool
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@ -1765,11 +1800,11 @@ endmenu
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#
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config CPU_MIPS32
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bool
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default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
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default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
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config CPU_MIPS64
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bool
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default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
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default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
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#
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# These two indicate the revision of the architecture, either Release 1 or Release 2
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@ -1782,6 +1817,10 @@ config CPU_MIPSR2
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bool
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default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
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config CPU_MIPSR6
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bool
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default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
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config EVA
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bool
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@ -2149,7 +2188,7 @@ config CPU_HAS_SMARTMIPS
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here.
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config CPU_MICROMIPS
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depends on 32BIT && SYS_SUPPORTS_MICROMIPS
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depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
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bool "microMIPS"
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help
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When this option is enabled the kernel will be built using the
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@ -138,10 +138,12 @@ cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS
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-Wa,-mips32 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \
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-Wa,-mips32r2 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
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-Wa,-mips64 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \
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-Wa,-mips64r2 -Wa,--trap
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cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
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cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
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cflags-$(CONFIG_CPU_R5432) += $(call cc-option,-march=r5400,-march=r5000) \
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-Wa,--trap
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