7 files changed, 34 insertions, 19 deletions
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 75f2233..77ce3a0 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -70,7 +70,7 @@ $(obj)/../voffset.h: vmlinux FORCE
 $(obj)/misc.o: $(obj)/../voffset.h
 
 vmlinux-objs-y := $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
-	$(obj)/string.o $(obj)/cmdline.o \
+	$(obj)/string.o $(obj)/cmdline.o $(obj)/error.o \
 	$(obj)/piggy.o $(obj)/cpuflags.o
 
 vmlinux-objs-$(CONFIG_EARLY_PRINTK) += $(obj)/early_serial_console.o
diff --git a/arch/x86/boot/compressed/error.c b/arch/x86/boot/compressed/error.c
new file mode 100644
index 0000000..6248740
--- /dev/null
+++ b/arch/x86/boot/compressed/error.c
@@ -0,0 +1,22 @@
+/*
+ * Callers outside of misc.c need access to the error reporting routines,
+ * but the *_putstr() functions need to stay in misc.c because of how
+ * memcpy() and memmove() are defined for the compressed boot environment.
+ */
+#include "misc.h"
+
+void warn(char *m)
+{
+	error_putstr("\n\n");
+	error_putstr(m);
+	error_putstr("\n\n");
+}
+
+void error(char *m)
+{
+	warn(m);
+	error_putstr(" -- System halted");
+
+	while (1)
+		asm("hlt");
+}
diff --git a/arch/x86/boot/compressed/error.h b/arch/x86/boot/compressed/error.h
new file mode 100644
index 0000000..2e59dac
--- /dev/null
+++ b/arch/x86/boot/compressed/error.h
@@ -0,0 +1,7 @@
+#ifndef BOOT_COMPRESSED_ERROR_H
+#define BOOT_COMPRESSED_ERROR_H
+
+void warn(char *m);
+void error(char *m);
+
+#endif /* BOOT_COMPRESSED_ERROR_H */
diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index 8741a6d..f1818d9 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -10,6 +10,7 @@
  *
  */
 #include "misc.h"
+#include "error.h"
 
 #include <asm/msr.h>
 #include <asm/archrandom.h>
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 8f0253d..9536d77 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -12,6 +12,7 @@
  */
 
 #include "misc.h"
+#include "error.h"
 #include "../string.h"
 #include "../voffset.h"
 
@@ -36,7 +37,6 @@
 #define memmove		memmove
 
 /* Functions used by the included decompressor code below. */
-static void error(char *m);
 void *memmove(void *dest, const void *src, size_t n);
 
 /*
@@ -169,22 +169,6 @@ void __puthex(unsigned long value)
 	}
 }
 
-void warn(char *m)
-{
-	error_putstr("\n\n");
-	error_putstr(m);
-	error_putstr("\n\n");
-}
-
-static void error(char *m)
-{
-	warn(m);
-	error_putstr(" -- System halted");
-
-	while (1)
-		asm("hlt");
-}
-
 #if CONFIG_X86_NEED_RELOCS
 static void handle_relocations(void *output, unsigned long output_len)
 {
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index e75f6cf..9887e0d 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -35,7 +35,6 @@ extern memptr free_mem_end_ptr;
 extern struct boot_params *boot_params;
 void __putstr(const char *s);
 void __puthex(unsigned long value);
-void warn(char *m);
 #define error_putstr(__x)  __putstr(__x)
 #define error_puthex(__x)  __puthex(__x)
 
diff --git a/arch/x86/boot/compressed/string.c b/arch/x86/boot/compressed/string.c
index 2befeca..faa4dc7 100644
--- a/arch/x86/boot/compressed/string.c
+++ b/arch/x86/boot/compressed/string.c
@@ -5,6 +5,8 @@
  * trust the gcc built-in implementations as they may do unexpected things
  * (e.g. FPU ops) in the minimal decompression stub execution environment.
  */
+#include "error.h"
+
 #include "../string.c"
 
 #ifdef CONFIG_X86_32