target/linux/generic/hack-5.4/301-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 --- a/arch/mips/Kconfig
  12 +++ b/arch/mips/Kconfig
  13 @@ -1158,6 +1158,10 @@ config SYNC_R4K
  14  config MIPS_MACHINE
  15         def_bool n
  16
  17 +config IMAGE_CMDLINE_HACK
  18 +       bool "OpenWrt specific image command line hack"
  19 +       default n
  20 +
  21  config NO_IOPORT_MAP
  22         def_bool n
  23
  24 --- a/arch/mips/kernel/head.S
  25 +++ b/arch/mips/kernel/head.S
  26 @@ -79,6 +79,12 @@ FEXPORT(__kernel_entry)
  27         j       kernel_entry
  28  #endif /* CONFIG_BOOT_RAW */
  29
  30 +#ifdef CONFIG_IMAGE_CMDLINE_HACK
  31 +       .ascii  "CMDLINE:"
  32 +EXPORT(__image_cmdline)
  33 +       .fill   0x400
  34 +#endif /* CONFIG_IMAGE_CMDLINE_HACK */
  35 +
  36         __REF
  37
  38  NESTED(kernel_entry, 16, sp)                   # kernel entry point