74 lines
1.6 KiB
Diff
74 lines
1.6 KiB
Diff
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--- a/arch/mips/ath79/prom.c
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+++ b/arch/mips/ath79/prom.c
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@@ -33,6 +33,41 @@ static void __init ath79_prom_append_cmd
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strlcat(arcs_cmdline, ath79_cmdline_buf, sizeof(arcs_cmdline));
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}
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+#ifdef CONFIG_IMAGE_CMDLINE_HACK
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+extern char __image_cmdline[];
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+
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+static int __init ath79_use_image_cmdline(void)
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+{
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+ char *p = __image_cmdline;
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+ int replace = 0;
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+
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+ if (*p == '-') {
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+ replace = 1;
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+ p++;
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+ }
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+
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+ if (*p == '\0')
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+ return 0;
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+
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+ if (replace) {
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+ strlcpy(arcs_cmdline, p, 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, p, sizeof(arcs_cmdline));
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+ }
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+
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+ /* Validate and setup environment pointer */
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+ if (fw_arg2 < CKSEG0)
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+ _fw_envp = NULL;
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+ else
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+ _fw_envp = (int *)fw_arg2;
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+
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+ return 1;
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+}
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+#else
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+static inline int ath79_use_image_cmdline(void) { return 0; }
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+#endif
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+
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static int __init ath79_prom_init_myloader(void)
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{
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struct myloader_info *mylo;
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@@ -61,6 +96,8 @@ static int __init ath79_prom_init_myload
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ath79_prom_append_cmdline("ethaddr", mac_buf);
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+ ath79_use_image_cmdline();
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+
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return 1;
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}
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@@ -71,7 +108,8 @@ void __init prom_init(void)
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if (ath79_prom_init_myloader())
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return;
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- fw_init_cmdline();
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+ if (!ath79_use_image_cmdline())
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+ fw_init_cmdline();
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env = fw_getenv("ethaddr");
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if (env)
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--- a/arch/mips/fw/lib/cmdline.c
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+++ b/arch/mips/fw/lib/cmdline.c
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@@ -35,6 +35,7 @@ void __init fw_init_cmdline(void)
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else
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_fw_envp = (int *)fw_arg2;
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+ arcs_cmdline[0] = '\0';
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for (i = 1; i < fw_argc; i++) {
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strlcat(arcs_cmdline, fw_argv(i), COMMAND_LINE_SIZE);
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if (i < (fw_argc - 1))
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