diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/arm/Kconfig.debug |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'arch/arm/Kconfig.debug')
-rw-r--r-- | arch/arm/Kconfig.debug | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug new file mode 100644 index 000000000000..45a5709eaaa4 --- /dev/null +++ b/arch/arm/Kconfig.debug | |||
@@ -0,0 +1,109 @@ | |||
1 | menu "Kernel hacking" | ||
2 | |||
3 | source "lib/Kconfig.debug" | ||
4 | |||
5 | # RMK wants arm kernels compiled with frame pointers so hardwire this to y. | ||
6 | # If you know what you are doing and are willing to live without stack | ||
7 | # traces, you can get a slightly smaller kernel by setting this option to | ||
8 | # n, but then RMK will have to kill you ;). | ||
9 | config FRAME_POINTER | ||
10 | bool | ||
11 | default y | ||
12 | help | ||
13 | If you say N here, the resulting kernel will be slightly smaller and | ||
14 | faster. However, when a problem occurs with the kernel, the | ||
15 | information that is reported is severely limited. Most people | ||
16 | should say Y here. | ||
17 | |||
18 | config DEBUG_USER | ||
19 | bool "Verbose user fault messages" | ||
20 | help | ||
21 | When a user program crashes due to an exception, the kernel can | ||
22 | print a brief message explaining what the problem was. This is | ||
23 | sometimes helpful for debugging but serves no purpose on a | ||
24 | production system. Most people should say N here. | ||
25 | |||
26 | In addition, you need to pass user_debug=N on the kernel command | ||
27 | line to enable this feature. N consists of the sum of: | ||
28 | |||
29 | 1 - undefined instruction events | ||
30 | 2 - system calls | ||
31 | 4 - invalid data aborts | ||
32 | 8 - SIGSEGV faults | ||
33 | 16 - SIGBUS faults | ||
34 | |||
35 | config DEBUG_WAITQ | ||
36 | bool "Wait queue debugging" | ||
37 | depends on DEBUG_KERNEL | ||
38 | |||
39 | config DEBUG_ERRORS | ||
40 | bool "Verbose kernel error messages" | ||
41 | depends on DEBUG_KERNEL | ||
42 | help | ||
43 | This option controls verbose debugging information which can be | ||
44 | printed when the kernel detects an internal error. This debugging | ||
45 | information is useful to kernel hackers when tracking down problems, | ||
46 | but mostly meaningless to other people. It's safe to say Y unless | ||
47 | you are concerned with the code size or don't want to see these | ||
48 | messages. | ||
49 | |||
50 | |||
51 | # These options are only for real kernel hackers who want to get their hands dirty. | ||
52 | config DEBUG_LL | ||
53 | bool "Kernel low-level debugging functions" | ||
54 | depends on DEBUG_KERNEL | ||
55 | help | ||
56 | Say Y here to include definitions of printascii, printchar, printhex | ||
57 | in the kernel. This is helpful if you are debugging code that | ||
58 | executes before the console is initialized. | ||
59 | |||
60 | config DEBUG_ICEDCC | ||
61 | bool "Kernel low-level debugging via EmbeddedICE DCC channel" | ||
62 | depends on DEBUG_LL | ||
63 | help | ||
64 | Say Y here if you want the debug print routines to direct their | ||
65 | output to the EmbeddedICE macrocell's DCC channel using | ||
66 | co-processor 14. This is known to work on the ARM9 style ICE | ||
67 | channel. | ||
68 | |||
69 | It does include a timeout to ensure that the system does not | ||
70 | totally freeze when there is nothing connected to read. | ||
71 | |||
72 | config DEBUG_DC21285_PORT | ||
73 | bool "Kernel low-level debugging messages via footbridge serial port" | ||
74 | depends on DEBUG_LL && FOOTBRIDGE | ||
75 | help | ||
76 | Say Y here if you want the debug print routines to direct their | ||
77 | output to the serial port in the DC21285 (Footbridge). Saying N | ||
78 | will cause the debug messages to appear on the first 16550 | ||
79 | serial port. | ||
80 | |||
81 | config DEBUG_CLPS711X_UART2 | ||
82 | bool "Kernel low-level debugging messages via UART2" | ||
83 | depends on DEBUG_LL && ARCH_CLPS711X | ||
84 | help | ||
85 | Say Y here if you want the debug print routines to direct their | ||
86 | output to the second serial port on these devices. Saying N will | ||
87 | cause the debug messages to appear on the first serial port. | ||
88 | |||
89 | config DEBUG_S3C2410_PORT | ||
90 | depends on DEBUG_LL && ARCH_S3C2410 | ||
91 | bool "Kernel low-level debugging messages via S3C2410 UART" | ||
92 | help | ||
93 | Say Y here if you want debug print routines to go to one of the | ||
94 | S3C2410 internal UARTs. The chosen UART must have been configured | ||
95 | before it is used. | ||
96 | |||
97 | config DEBUG_S3C2410_UART | ||
98 | depends on ARCH_S3C2410 | ||
99 | int "S3C2410 UART to use for low-level debug" | ||
100 | default "0" | ||
101 | help | ||
102 | Choice for UART for kernel low-level using S3C2410 UARTS, | ||
103 | should be between zero and two. The port must have been | ||
104 | initalised by the boot-loader before use. | ||
105 | |||
106 | The uncompressor code port configuration is now handled | ||
107 | by CONFIG_S3C2410_LOWLEVEL_UART_PORT. | ||
108 | |||
109 | endmenu | ||