OpenWrt – Rev 4

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From: John Crispin <john@phrozen.org>
Subject: hack: kernel: add generic image_cmdline hack to MIPS targets

lede-commit: d59f5b3a987a48508257a0ddbaeadc7909f9f976
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
 arch/mips/Kconfig       | 4 ++++
 arch/mips/kernel/head.S | 6 ++++++
 2 files changed, 10 insertions(+)

--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1157,6 +1157,10 @@ config SYNC_R4K
 config MIPS_MACHINE
        def_bool n
 
+config IMAGE_CMDLINE_HACK
+       bool "OpenWrt specific image command line hack"
+       default n
+
 config NO_IOPORT_MAP
        def_bool n
 
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -79,6 +79,12 @@ FEXPORT(__kernel_entry)
        j       kernel_entry
 #endif
 
+#ifdef CONFIG_IMAGE_CMDLINE_HACK
+       .ascii  "CMDLINE:"
+EXPORT(__image_cmdline)
+       .fill   0x400
+#endif /* CONFIG_IMAGE_CMDLINE_HACK */
+
        __REF
 
 NESTED(kernel_entry, 16, sp)                   # kernel entry point