X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2Fboot%2Fcompressed%2Fmisc.c;h=ace3fb5835d9278833a0c539b8fff0b74e8af885;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=ebcac6cfbd610c4e9a9c767c30de235ca296759a;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index ebcac6cfb..ace3fb583 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -20,24 +20,45 @@ unsigned int __machine_arch_type;
 
 #include <linux/string.h>
 
-#include <asm/arch/uncompress.h>
-
 #ifdef STANDALONE_DEBUG
-#define puts printf
-#endif
+#define putstr printf
+#else
+
+static void putstr(const char *ptr);
+
+#include <linux/compiler.h>
+#include <asm/arch/uncompress.h>
 
 #ifdef CONFIG_DEBUG_ICEDCC
-#define puts icedcc_puts
-#define putc icedcc_putc
+static void icedcc_putc(int ch)
+{
+	int status, i = 0x4000000;
+
+	do {
+		if (--i < 0)
+			return;
 
-extern void idedcc_putc(int ch);
+		asm volatile ("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
+	} while (status & 2);
 
-static void
-icedcc_puts(const char *ptr)
+	asm("mcr p14, 0, %0, c1, c0, 0" : : "r" (ch));
+}
+
+#define putc(ch)	icedcc_putc(ch)
+#define flush()	do { } while (0)
+#endif
+
+static void putstr(const char *ptr)
 {
-	for (; *ptr != '\0'; ptr++) {
-		icedcc_putc(*ptr);
+	char c;
+
+	while ((c = *ptr++) != '\0') {
+		if (c == '\n')
+			putc('\r');
+		putc(c);
 	}
+
+	flush();
 }
 
 #endif
@@ -191,7 +212,7 @@ static void error(char *m);
 static void gzip_mark(void **);
 static void gzip_release(void **);
 
-static void puts(const char *);
+static void putstr(const char *);
 
 extern int end;
 static ulg free_mem_ptr;
@@ -280,14 +301,20 @@ void flush_window(void)
 	bytes_out += (ulg)outcnt;
 	output_ptr += (ulg)outcnt;
 	outcnt = 0;
-	puts(".");
+	putstr(".");
 }
 
+#ifndef arch_error
+#define arch_error(x)
+#endif
+
 static void error(char *x)
 {
-	puts("\n\n");
-	puts(x);
-	puts("\n\n -- System halted");
+	arch_error(x);
+
+	putstr("\n\n");
+	putstr(x);
+	putstr("\n\n -- System halted");
 
 	while(1);	/* Halt */
 }
@@ -306,9 +333,9 @@ decompress_kernel(ulg output_start, ulg free_mem_ptr_p, ulg free_mem_ptr_end_p,
 	arch_decomp_setup();
 
 	makecrc();
-	puts("Uncompressing Linux...");
+	putstr("Uncompressing Linux...");
 	gunzip();
-	puts(" done, booting the kernel.\n");
+	putstr(" done, booting the kernel.\n");
 	return output_ptr;
 }
 #else
@@ -320,9 +347,9 @@ int main()
 	output_data = output_buffer;
 
 	makecrc();
-	puts("Uncompressing Linux...");
+	putstr("Uncompressing Linux...");
 	gunzip();
-	puts("done.\n");
+	putstr("done.\n");
 	return 0;
 }
 #endif