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MIPS: bootm: refactor preparation of Linux kernel environment

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Move preparation of Linux kernel environment in a separate
function and mark it as legacy. Add a Kconfig option to make
that legacy mode configurable.

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
This commit is contained in:
Daniel Schwierzeck 2015-01-14 21:44:13 +01:00
parent 25fc664f40
commit ca65e5851f
2 changed files with 22 additions and 1 deletions
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14
arch/mips/lib/bootm.c
View file

@ -26,6 +26,12 @@ DECLARE_GLOBAL_DATA_PTR;
#define mips_boot_cmdline_legacy 0
#endif
#if defined(CONFIG_MIPS_BOOT_ENV_LEGACY)
#define mips_boot_env_legacy 1
#else
#define mips_boot_env_legacy 0
#endif
static int linux_argc;
static char **linux_argv;
static char *linux_argp;
@ -177,7 +183,7 @@ static void linux_env_set(const char *env_name, const char *env_val)
}
}
static void boot_prep_linux(bootm_headers_t *images)
static void linux_env_legacy(bootm_headers_t *images)
{
char env_buf[12];
const char *cp;
@ -225,6 +231,12 @@ static void boot_prep_linux(bootm_headers_t *images)
}
}
static void boot_prep_linux(bootm_headers_t *images)
{
if (mips_boot_env_legacy)
linux_env_legacy(images);
}
static void boot_jump_linux(bootm_headers_t *images)
{
typedef void __noreturn (*kernel_entry_t)(int, ulong, ulong, ulong);