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m68k: support configure time command line for MMU m68k 

The non-MMU builds of m68k allow a fixed kernel boot command line to
be configured at configure time. Allow this MMU builds as well.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer 2011-10-19 11:46:03 +10:00
parent e87c09a899
commit d1db9120cd
2 changed files with 12 additions and 8 deletions
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16
arch/m68k/Kconfig.debug
View File

@ -2,6 +2,14 @@ menu "Kernel hacking"
source "lib/Kconfig.debug"
config BOOTPARAM
bool 'Compiled-in Kernel Boot Parameter'
config BOOTPARAM_STRING
string 'Kernel Boot Parameter'
default 'console=ttyS0,19200'
depends on BOOTPARAM
if !MMU
config FULLDEBUG
@ -15,14 +23,6 @@ config HIGHPROFILE
help
Use a fast secondary clock to produce profiling information.
config BOOTPARAM
bool 'Compiled-in Kernel Boot Parameter'
config BOOTPARAM_STRING
string 'Kernel Boot Parameter'
default 'console=ttyS0,19200'
depends on BOOTPARAM
config NO_KERNEL_MSG
bool "Suppress Kernel BUG Messages"
help

4
arch/m68k/kernel/setup_mm.c
View File

@ -258,6 +258,10 @@ void __init setup_arch(char **cmdline_p)
init_mm.end_data = (unsigned long)_edata;
init_mm.brk = (unsigned long)_end;
#if defined(CONFIG_BOOTPARAM)
strncpy(m68k_command_line, CONFIG_BOOTPARAM_STRING, CL_SIZE);
m68k_command_line[CL_SIZE - 1] = 0;
#endif /* CONFIG_BOOTPARAM */
*cmdline_p = m68k_command_line;
memcpy(boot_command_line, *cmdline_p, CL_SIZE);