target/linux/generic/hack-4.9/301-mips_image_cmdline_hack.patch

   1 From: John Crispin <john@phrozen.org>
   2 Subject: hack: kernel: add generic image_cmdline hack to MIPS targets
   3
   4 lede-commit: d59f5b3a987a48508257a0ddbaeadc7909f9f976
   5 Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
   6 ---
   7  arch/mips/Kconfig       | 4 ++++
   8  arch/mips/kernel/head.S | 6 ++++++
   9  2 files changed, 10 insertions(+)
  10
  11 diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
  12 index 6a56d75f7e8b..03fbb7b46e7f 100644
  13 --- a/arch/mips/Kconfig
  14 +++ b/arch/mips/Kconfig
  15 @@ -1149,6 +1149,10 @@ config SYNC_R4K
  16  config MIPS_MACHINE
  17         def_bool n
  18
  19 +config IMAGE_CMDLINE_HACK
  20 +       bool "OpenWrt specific image command line hack"
  21 +       default n
  22 +
  23  config NO_IOPORT_MAP
  24         def_bool n
  25
  26 diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
  27 index cf052204eb0a..f7327fae5473 100644
  28 --- a/arch/mips/kernel/head.S
  29 +++ b/arch/mips/kernel/head.S
  30 @@ -79,6 +79,12 @@ FEXPORT(__kernel_entry)
  31         j       kernel_entry
  32  #endif
  33
  34 +#ifdef CONFIG_IMAGE_CMDLINE_HACK
  35 +       .ascii  "CMDLINE:"
  36 +EXPORT(__image_cmdline)
  37 +       .fill   0x400
  38 +#endif /* CONFIG_IMAGE_CMDLINE_HACK */
  39 +
  40         __REF
  41
  42  NESTED(kernel_entry, 16, sp)                   # kernel entry point
  43 --
  44 2.11.0
  45