mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
60 lines
1.3 KiB
Diff
60 lines
1.3 KiB
Diff
--- a/arch/mips/kernel/setup.c
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+++ b/arch/mips/kernel/setup.c
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@@ -545,8 +545,28 @@ static void __init resource_init(void)
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}
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}
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+#ifdef CONFIG_IMAGE_CMDLINE_HACK
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+static void __init process__image_cmdline(void)
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+{
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+ extern char __image_cmdline[];
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+
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+ if (__image_cmdline[0] == '\0')
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+ return;
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+
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+ if (__image_cmdline[0] == '-') {
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+ strlcpy(arcs_cmdline, __image_cmdline, sizeof(arcs_cmdline));
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+ } else {
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+ strlcat(arcs_cmdline, " ", sizeof(arcs_cmdline));
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+ strlcat(arcs_cmdline, __image_cmdline, sizeof(arcs_cmdline));
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+ }
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+}
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+#else
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+static void inline process__image_cmdline(void) {}
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+#endif
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+
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void __init setup_arch(char **cmdline_p)
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{
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+ process__image_cmdline();
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cpu_probe();
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prom_init();
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--- a/arch/mips/Kconfig
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+++ b/arch/mips/Kconfig
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@@ -766,6 +766,10 @@ config SYNC_R4K
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config MIPS_MACHINE
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def_bool n
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+config IMAGE_CMDLINE_HACK
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+ bool "OpenWrt specific image command line hack"
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+ default n
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+
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config NO_IOPORT
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def_bool n
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--- a/arch/mips/kernel/head.S
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+++ b/arch/mips/kernel/head.S
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@@ -143,6 +143,12 @@ FEXPORT(__kernel_entry)
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j kernel_entry
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#endif
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+#ifdef CONFIG_IMAGE_CMDLINE_HACK
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+ .ascii "CMDLINE:"
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+EXPORT(__image_cmdline)
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+ .fill 0x400
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+#endif /* CONFIG_IMAGE_CMDLINE_HACK */
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+
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__REF
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NESTED(kernel_entry, 16, sp) # kernel entry point
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