49 lines
1.2 KiB
Diff
49 lines
1.2 KiB
Diff
diff -ur linux.old/arch/mips/kernel/head.S linux.dev/arch/mips/kernel/head.S
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--- linux.old/arch/mips/kernel/head.S 2006-12-06 17:30:27.000000000 +0100
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+++ linux.dev/arch/mips/kernel/head.S 2006-12-06 18:34:43.000000000 +0100
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@@ -129,15 +129,20 @@
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#endif
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.endm
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-
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j kernel_entry
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nop
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-
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+ nop
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+
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/*
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* Reserved space for exception handlers.
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* Necessary for machines which link their kernels at KSEG0.
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+ * Use as temporary storage for the kernel command line, so that it
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+ * can be updated easily without having to relink the kernel.
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*/
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- .fill 0x400
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+
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+EXPORT(_image_cmdline)
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+ .ascii "CMDLINE:"
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+ .fill 0x3ec
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EXPORT(stext) # used for profiling
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EXPORT(_stext)
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diff -ur linux.old/arch/mips/rb500/prom.c linux.dev/arch/mips/rb500/prom.c
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--- linux.old/arch/mips/rb500/prom.c 2006-12-06 17:30:27.000000000 +0100
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+++ linux.dev/arch/mips/rb500/prom.c 2006-12-06 17:41:40.000000000 +0100
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@@ -128,6 +128,7 @@
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/* FIXME: STUB */
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}
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+extern char _image_cmdline;
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void __init prom_setup_cmdline(void){
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char cmd_line[CL_SIZE];
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char *cp;
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@@ -163,6 +164,9 @@
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strcpy(cp,prom_argv[i]);
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cp+=strlen(prom_argv[i]);
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}
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+ *(cp++) = ' ';
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+ strcpy(cp,(&_image_cmdline + 8));
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+ cp += strlen(&_image_cmdline);
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i=strlen(arcs_cmdline);
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if (i>0){
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