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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-09-19 17:44:56 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-09-20 16:09:48 +1000 |
| commit | 817c21ad9a1f00926f080265493923ada3458c63 (patch) | |
| tree | 84733af08a403e6f1c1846a2e9a21cf49276660d /arch/powerpc/kernel/prom_init.c | |
| parent | 27f4488872d9ef2a4b9aa2be58fb0789d6c0ba84 (diff) | |
powerpc/powernv: Get kernel command line accross OPAL takeover
We stash it in boot_command_line which isn't in BSS and so won't
be overwritten. We then use that as a default cmd_line before
we walk the device-tree.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/prom_init.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_init.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 9369287aa8c2..e3f390427216 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -1449,6 +1449,10 @@ static void prom_opal_takeover(void) opal_addr = top_addr; args->hal_addr = opal_addr; + /* Copy the command line to the kernel image */ + strlcpy(RELOC(boot_command_line), RELOC(prom_cmd_line), + COMMAND_LINE_SIZE); + prom_debug(" k_image = 0x%lx\n", args->k_image); prom_debug(" k_size = 0x%lx\n", args->k_size); prom_debug(" k_entry = 0x%lx\n", args->k_entry); |