1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 2
3 config SH_STANDARD_BIOS !! 3 config BOOTPARAM
4 bool "Use LinuxSH standard BIOS" !! 4 bool "Compiled-in Kernel Boot Parameter"
5 help !! 5
6 Say Y here if your target has the gd !! 6 config BOOTPARAM_STRING
7 package from www.m17n.org (or any co !! 7 string "Kernel Boot Parameter"
8 in FLASH or EPROM. The kernel will !! 8 default "console=ttyS0,19200"
9 boot for various housekeeping tasks !! 9 depends on BOOTPARAM
10 write characters to a system console <<
11 on-board Ethernet interface, and shu <<
12 does not work with machines with an <<
13 mask ROM and no flash (WindowsCE mac <<
14 If unsure, say N. <<
15 <<
16 config STACK_DEBUG <<
17 bool "Check for stack overflows" <<
18 depends on DEBUG_KERNEL && PRINTK <<
19 help <<
20 This option will cause messages to b <<
21 drops below a certain limit. Saying <<
22 every function call and will therefo <<
23 performance hit. Most users should s <<
24 10
25 config EARLY_PRINTK 11 config EARLY_PRINTK
26 bool "Early printk" 12 bool "Early printk"
27 depends on SH_STANDARD_BIOS !! 13 depends on !(SUN3 || M68000 || COLDFIRE)
28 help 14 help
29 Say Y here to redirect kernel printk !! 15 Write kernel log output directly to a serial port.
30 used by the SH-IPL bootloader, start !! 16 Where implemented, output goes to the framebuffer as well.
31 process and ending when the kernel's !! 17 PROM console functionality on Sun 3x is not affected by this option.
32 This option is only useful while por !! 18
33 when the kernel may crash or hang be !! 19 Pass "earlyprintk" on the kernel command line to get a
34 initialised. If unsure, say N. !! 20 boot console.
35 !! 21
36 config 4KSTACKS !! 22 This is useful for kernel debugging when your machine crashes very
37 bool "Use 4Kb for kernel stacks instea !! 23 early, i.e. before the normal console driver is loaded.
38 depends on DEBUG_KERNEL && (MMU || BRO !! 24 You should normally say N here, unless you want to debug such a crash.
39 help !! 25
40 If you say Y here the kernel will us !! 26 if !MMU
41 kernel stack attached to each proces !! 27
42 running more threads on a system and !! 28 config FULLDEBUG
43 on the VM subsystem for higher order !! 29 bool "Full Symbolic/Source Debugging support"
44 will also use IRQ stacks to compensa <<
45 <<
46 config IRQSTACKS <<
47 bool "Use separate kernel stacks when <<
48 depends on DEBUG_KERNEL && BROKEN <<
49 help <<
50 If you say Y here the kernel will us <<
51 for handling hard and soft interrupt <<
52 overflowing the process kernel stack <<
53 <<
54 config DUMP_CODE <<
55 bool "Show disassembly of nearby code <<
56 depends on DEBUG_KERNEL <<
57 default y if DEBUG_BUGVERBOSE <<
58 default n <<
59 help 30 help
60 This prints out a code trace of the !! 31 Enable debugging symbols on kernel build.
61 the faulting instruction as a debugg !! 32
62 the kernel in size a bit, most users !! 33 config HIGHPROFILE
63 !! 34 bool "Use fast second timer for profiling"
64 Those looking for more verbose debug !! 35 depends on COLDFIRE
65 <<
66 config DWARF_UNWINDER <<
67 bool "Enable the DWARF unwinder for st <<
68 depends on DEBUG_KERNEL <<
69 select FRAME_POINTER <<
70 default n <<
71 help 36 help
72 Enabling this option will make stack !! 37 Use a fast secondary clock to produce profiling information.
73 the cost of an increase in overall k <<
74 38
75 config SH_NO_BSS_INIT !! 39 config BDM_DISABLE
76 bool "Avoid zeroing BSS (to speed-up s !! 40 bool "Disable BDM signals"
77 depends on DEBUG_KERNEL !! 41 depends on COLDFIRE
78 default n <<
79 help 42 help
80 If running in painfully slow environ !! 43 Disable the ColdFire CPU's BDM signals.
81 simulation or from remote memory via !! 44
82 can already be guaranteed to ber zer !! 45 endif
83 <<
84 For all other cases, say N. If this <<
85 you aren't sure, say N. <<
86 <<
87 config MCOUNT <<
88 def_bool y <<
89 depends on STACK_DEBUG || FUNCTION_TRA <<
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