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2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f 
 kernel/arch/sh/Kconfig
....@@ -1,106 +1,86 @@
11 # SPDX-License-Identifier: GPL-2.0
22 config SUPERH
33 	def_bool y
4
-	select ARCH_HAS_PTE_SPECIAL
5
-	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
6
-	select ARCH_MIGHT_HAVE_PC_PARPORT
7
-	select ARCH_NO_COHERENT_DMA_MMAP if !MMU
8
-	select HAVE_PATA_PLATFORM
9
-	select CLKDEV_LOOKUP
10
-	select HAVE_IDE if HAS_IOPORT_MAP
11
-	select HAVE_MEMBLOCK
12
-	select HAVE_MEMBLOCK_NODE_MAP
13
-	select NO_BOOTMEM
14
-	select ARCH_DISCARD_MEMBLOCK
15
-	select HAVE_OPROFILE
16
-	select HAVE_GENERIC_DMA_COHERENT
17
-	select HAVE_ARCH_TRACEHOOK
18
-	select HAVE_PERF_EVENTS
19
-	select HAVE_DEBUG_BUGVERBOSE
4
+	select ARCH_32BIT_OFF_T
205 	select ARCH_HAVE_CUSTOM_GPIO_H
216 	select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
7
+	select ARCH_HAS_BINFMT_FLAT if !MMU
8
+	select ARCH_HAS_GIGANTIC_PAGE
229 	select ARCH_HAS_GCOV_PROFILE_ALL
23
-	select PERF_USE_VMALLOC
24
-	select HAVE_DEBUG_KMEMLEAK
25
-	select HAVE_KERNEL_GZIP
26
-	select CPU_NO_EFFICIENT_FFS
27
-	select HAVE_KERNEL_BZIP2
28
-	select HAVE_KERNEL_LZMA
29
-	select HAVE_KERNEL_XZ
30
-	select HAVE_KERNEL_LZO
31
-	select HAVE_UID16
10
+	select ARCH_HAS_PTE_SPECIAL
11
+	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
12
+	select ARCH_HIBERNATION_POSSIBLE if MMU
13
+	select ARCH_MIGHT_HAVE_PC_PARPORT
3214 	select ARCH_WANT_IPC_PARSE_VERSION
33
-	select HAVE_SYSCALL_TRACEPOINTS
34
-	select HAVE_REGS_AND_STACK_ACCESS_API
35
-	select MAY_HAVE_SPARSE_IRQ
36
-	select IRQ_FORCED_THREADING
37
-	select RTC_LIB
15
+	select CLKDEV_LOOKUP
16
+	select CPU_NO_EFFICIENT_FFS
17
+	select DMA_DECLARE_COHERENT
3818 	select GENERIC_ATOMIC64
39
-	select GENERIC_IRQ_SHOW
40
-	select GENERIC_SMP_IDLE_THREAD
41
-	select GENERIC_IDLE_POLL_SETUP
4219 	select GENERIC_CLOCKEVENTS
4320 	select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
21
+	select GENERIC_IDLE_POLL_SETUP
22
+	select GENERIC_IRQ_SHOW
23
+	select GENERIC_PCI_IOMAP if PCI
4424 	select GENERIC_SCHED_CLOCK
4525 	select GENERIC_STRNCPY_FROM_USER
4626 	select GENERIC_STRNLEN_USER
47
-	select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
48
-	select MODULES_USE_ELF_RELA
49
-	select OLD_SIGSUSPEND
50
-	select OLD_SIGACTION
27
+	select GENERIC_SMP_IDLE_THREAD
28
+	select GUP_GET_PTE_LOW_HIGH if X2TLB
5129 	select HAVE_ARCH_AUDITSYSCALL
30
+	select HAVE_ARCH_KGDB
31
+	select HAVE_ARCH_SECCOMP_FILTER
32
+	select HAVE_ARCH_TRACEHOOK
33
+	select HAVE_DEBUG_BUGVERBOSE
34
+	select HAVE_DEBUG_KMEMLEAK
35
+	select HAVE_DYNAMIC_FTRACE
36
+	select HAVE_FAST_GUP if MMU
37
+	select HAVE_FUNCTION_GRAPH_TRACER
38
+	select HAVE_FUNCTION_TRACER
5239 	select HAVE_FUTEX_CMPXCHG if FUTEX
40
+	select HAVE_FTRACE_MCOUNT_RECORD
41
+	select HAVE_HW_BREAKPOINT
42
+	select HAVE_IDE if HAS_IOPORT_MAP
43
+	select HAVE_IOREMAP_PROT if MMU && !X2TLB
44
+	select HAVE_KERNEL_BZIP2
45
+	select HAVE_KERNEL_GZIP
46
+	select HAVE_KERNEL_LZMA
47
+	select HAVE_KERNEL_LZO
48
+	select HAVE_KERNEL_XZ
49
+	select HAVE_KPROBES
50
+	select HAVE_KRETPROBES
51
+	select HAVE_MIXED_BREAKPOINTS_REGS
52
+	select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
5353 	select HAVE_NMI
54
+	select HAVE_OPROFILE
55
+	select HAVE_PATA_PLATFORM
56
+	select HAVE_PERF_EVENTS
57
+	select HAVE_REGS_AND_STACK_ACCESS_API
58
+	select HAVE_UID16
59
+	select HAVE_STACKPROTECTOR
60
+	select HAVE_SYSCALL_TRACEPOINTS
61
+	select IRQ_FORCED_THREADING
62
+	select MAY_HAVE_SPARSE_IRQ
63
+	select MODULES_USE_ELF_RELA
5464 	select NEED_SG_DMA_LENGTH
55
-
65
+	select NO_DMA if !MMU && !DMA_COHERENT
66
+	select NO_GENERIC_PCI_IOPORT_MAP if PCI
67
+	select OLD_SIGACTION
68
+	select OLD_SIGSUSPEND
69
+	select PCI_DOMAINS if PCI
70
+	select PERF_EVENTS
71
+	select PERF_USE_VMALLOC
72
+	select RTC_LIB
73
+	select SET_FS
74
+	select SPARSE_IRQ
5675 	help
5776 	  The SuperH is a RISC processor targeted for use in embedded systems
5877 	  and consumer electronics; it was also used in the Sega Dreamcast
5978 	  gaming console.  The SuperH port has a home page at
6079 	  <http://www.linux-sh.org/>.
6180 
62
-config SUPERH32
63
-	def_bool "$(ARCH)" = "sh"
64
-	select HAVE_KPROBES
65
-	select HAVE_KRETPROBES
66
-	select HAVE_IOREMAP_PROT if MMU && !X2TLB
67
-	select HAVE_FUNCTION_TRACER
68
-	select HAVE_FTRACE_MCOUNT_RECORD
69
-	select HAVE_DYNAMIC_FTRACE
70
-	select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
71
-	select ARCH_WANT_IPC_PARSE_VERSION
72
-	select HAVE_FUNCTION_GRAPH_TRACER
73
-	select HAVE_ARCH_KGDB
74
-	select HAVE_HW_BREAKPOINT
75
-	select HAVE_MIXED_BREAKPOINTS_REGS
76
-	select PERF_EVENTS
77
-	select ARCH_HIBERNATION_POSSIBLE if MMU
78
-	select SPARSE_IRQ
79
-	select HAVE_STACKPROTECTOR
80
-
81
-config SUPERH64
82
-	def_bool "$(ARCH)" = "sh64"
83
-	select HAVE_EXIT_THREAD
84
-	select KALLSYMS
85
-
86
-config ARCH_DEFCONFIG
87
-	string
88
-	default "arch/sh/configs/shx3_defconfig" if SUPERH32
89
-	default "arch/sh/configs/cayman_defconfig" if SUPERH64
90
-
91
-config RWSEM_GENERIC_SPINLOCK
92
-	def_bool y
93
-
94
-config RWSEM_XCHGADD_ALGORITHM
95
-	bool
96
-
9781 config GENERIC_BUG
9882 	def_bool y
99
-	depends on BUG && SUPERH32
100
-
101
-config GENERIC_CSUM
102
-	def_bool y
103
-	depends on SUPERH64
83
+	depends on BUG
10484 
10585 config GENERIC_HWEIGHT
10686 	def_bool y
....@@ -110,7 +90,7 @@
11090 
11191 config GENERIC_LOCKBREAK
11292 	def_bool y
113
-	depends on SMP && PREEMPT
93
+	depends on SMP && PREEMPTION
11494 
11595 config ARCH_SUSPEND_POSSIBLE
11696 	def_bool n
....@@ -131,9 +111,6 @@
131111 config SYS_SUPPORTS_NUMA
132112 	bool
133113 
134
-config SYS_SUPPORTS_PCI
135
-	bool
136
-
137114 config STACKTRACE_SUPPORT
138115 	def_bool y
139116 
....@@ -148,8 +125,8 @@
148125 
149126 config NO_IOPORT_MAP
150127 	def_bool !PCI
151
-	depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \
152
-		   !SH_HP6XX && !SH_SOLUTION_ENGINE
128
+	depends on !SH_SH4202_MICRODEV && !SH_SHMIN && !SH_HP6XX && \
129
+		   !SH_SOLUTION_ENGINE
153130 
154131 config IO_TRAPPED
155132 	bool
....@@ -158,13 +135,13 @@
158135 	bool
159136 
160137 config DMA_COHERENT
161
-	select DMA_DIRECT_OPS
162138 	bool
163139 
164140 config DMA_NONCOHERENT
165
-	def_bool !DMA_COHERENT
141
+	def_bool !NO_DMA && !DMA_COHERENT
142
+	select ARCH_HAS_DMA_PREP_COHERENT
166143 	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
167
-	select DMA_NONCOHERENT_OPS
144
+	select DMA_DIRECT_REMAP
168145 
169146 config PGTABLE_LEVELS
170147 	default 3 if X2TLB
....@@ -215,12 +192,6 @@
215192 	select CPU_SH4A
216193 	select CPU_HAS_DSP
217194 
218
-config CPU_SH5
219
-	bool
220
-	select CPU_HAS_FPU
221
-	select SYS_SUPPORTS_SH_TMU
222
-	select SYS_SUPPORTS_HUGETLBFS if MMU
223
-
224195 config CPU_SHX2
225196 	bool
226197 
....@@ -239,8 +210,6 @@
239210        depends on CPU_SH4 || CPU_SH4A
240211        default y
241212        bool
242
-
243
-if SUPERH32
244213 
245214 choice
246215 	prompt "Processor sub-type selection"
....@@ -530,27 +499,6 @@
530499 
531500 endchoice
532501 
533
-endif
534
-
535
-if SUPERH64
536
-
537
-choice
538
-	prompt "Processor sub-type selection"
539
-
540
-# SH-5 Processor Support
541
-
542
-config CPU_SUBTYPE_SH5_101
543
-	bool "Support SH5-101 processor"
544
-	select CPU_SH5
545
-
546
-config CPU_SUBTYPE_SH5_103
547
-	bool "Support SH5-103 processor"
548
-	select CPU_SH5
549
-
550
-endchoice
551
-
552
-endif
553
-
554502 source "arch/sh/mm/Kconfig"
555503  
556504 source "arch/sh/Kconfig.cpu"
....@@ -600,11 +548,11 @@
600548 
601549 menu "Kernel features"
602550 
603
-source kernel/Kconfig.hz
551
+source "kernel/Kconfig.hz"
604552 
605553 config KEXEC
606554 	bool "kexec system call (EXPERIMENTAL)"
607
-	depends on SUPERH32 && MMU
555
+	depends on MMU
608556 	select KEXEC_CORE
609557 	help
610558 	  kexec is a system call that implements the ability to shutdown your
....@@ -622,7 +570,7 @@
622570 
623571 config CRASH_DUMP
624572 	bool "kernel crash dumps (EXPERIMENTAL)"
625
-	depends on SUPERH32 && BROKEN_ON_SMP
573
+	depends on BROKEN_ON_SMP
626574 	help
627575 	  Generate crash dump after being started by kexec.
628576 	  This should be normally only set in special crash dump kernels
....@@ -632,11 +580,11 @@
632580 	  to a memory address not used by the main kernel using
633581 	  PHYSICAL_START.
634582 
635
-	  For more details see Documentation/kdump/kdump.txt
583
+	  For more details see Documentation/admin-guide/kdump/kdump.rst
636584 
637585 config KEXEC_JUMP
638586 	bool "kexec jump (EXPERIMENTAL)"
639
-	depends on SUPERH32 && KEXEC && HIBERNATION
587
+	depends on KEXEC && HIBERNATION
640588 	help
641589 	  Jump between original kernel and kexeced kernel and invoke
642590 	  code via KEXEC
....@@ -644,7 +592,7 @@
644592 config PHYSICAL_START
645593 	hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
646594 	default MEMORY_START
647
-	---help---
595
+	help
648596 	  This gives the physical address where the kernel is loaded
649597 	  and is ordinarily the same as MEMORY_START.
650598 
....@@ -652,26 +600,10 @@
652600 	  where the fail safe kernel needs to run at a different address
653601 	  than the panic-ed kernel.
654602 
655
-config SECCOMP
656
-	bool "Enable seccomp to safely compute untrusted bytecode"
657
-	depends on PROC_FS
658
-	help
659
-	  This kernel feature is useful for number crunching applications
660
-	  that may need to compute untrusted bytecode during their
661
-	  execution. By using pipes or other transports made available to
662
-	  the process as file descriptors supporting the read/write
663
-	  syscalls, it's possible to isolate those applications in
664
-	  their own address space using seccomp. Once seccomp is
665
-	  enabled via prctl, it cannot be disabled and the task is only
666
-	  allowed to execute a few safe syscalls defined by each seccomp
667
-	  mode.
668
-
669
-	  If unsure, say N.
670
-
671603 config SMP
672604 	bool "Symmetric multi-processing support"
673605 	depends on SYS_SUPPORTS_SMP
674
-	---help---
606
+	help
675607 	  This enables support for systems with more than one CPU. If you have
676608 	  a system with only one CPU, say N. If you have a system with more
677609 	  than one CPU, say Y.
....@@ -685,8 +617,8 @@
685617 	  People using multiprocessor machines who say Y here should also say
686618 	  Y to "Enhanced Real Time Clock Support", below.
687619 
688
-	  See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
689
-	  available at <http://www.tldp.org/docs.html#howto>.
620
+	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
621
+	  available at <https://www.tldp.org/docs.html#howto>.
690622 
691623 	  If you don't know what to do here, say N.
692624 
....@@ -713,7 +645,7 @@
713645 
714646 config GUSA
715647 	def_bool y
716
-	depends on !SMP && SUPERH32
648
+	depends on !SMP
717649 	help
718650 	  This enables support for gUSA (general UserSpace Atomicity).
719651 	  This is the default implementation for both UP and non-ll/sc
....@@ -782,7 +714,6 @@
782714 config BOOT_LINK_OFFSET
783715 	hex
784716 	default "0x00210000" if SH_SHMIN
785
-	default "0x00400000" if SH_CAYMAN
786717 	default "0x00810000" if SH_7780_SOLUTION_ENGINE
787718 	default "0x009e0000" if SH_TITAN
788719 	default "0x01800000" if SH_SDK7780
....@@ -857,24 +788,6 @@
857788 	 probably want to say 'Y' here, unless you are only using the
858789 	 Dreamcast with a serial line terminal or a remote network
859790 	 connection.
860
-
861
-config PCI
862
-	bool "PCI support"
863
-	depends on SYS_SUPPORTS_PCI
864
-	select PCI_DOMAINS
865
-	select GENERIC_PCI_IOMAP
866
-	select NO_GENERIC_PCI_IOPORT_MAP
867
-	help
868
-	  Find out whether you have a PCI motherboard. PCI is the name of a
869
-	  bus system, i.e. the way the CPU talks to the other stuff inside
870
-	  your box. If you have PCI, say Y, otherwise N.
871
-
872
-config PCI_DOMAINS
873
-	bool
874
-
875
-source "drivers/pci/Kconfig"
876
-
877
-source "drivers/pcmcia/Kconfig"
878791 
879792 endmenu
880793