aboutsummaryrefslogtreecommitdiff
path: root/arch/x86
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-26 13:09:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-26 13:09:11 -0700
commit3d72b105b09e69fbe76135fcee3e1710684b2d4a (patch)
treebaaca0352fbf905d01262cb67b3675a9f8a46fad /arch/x86
parent79071638ce655c1f78a50d05c7dae0ad04a3e92a (diff)
parentc5e5c42a68be66cb87573e5c2fcce6f1b5d82bd5 (diff)
downloadlinux-linaro-stable-3d72b105b09e69fbe76135fcee3e1710684b2d4a.tar.gz
Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/boot changes from Ingo Molnar: "Kernel image size reduction and assorted fixes and other small improvements." * 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, doc: Assign a bootloader ID for "Minimal Linux Bootloader" x86, boot: Exclude cmdline.c if you can't use it x86, boot: Exclude early_serial_console.c if can't use it. x86, boot: Removed unused debug flag and set code x86, boot: Switch output functions from command-line flags to conditional compilation x86, boot: Changed error putstr path to match new debug_putstr format x86, boot: Wrap debug printing in a new debug_putstr function x86, boot: Removed quiet flag and switched quiet output to debug flag
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/boot/compressed/cmdline.c4
-rw-r--r--arch/x86/boot/compressed/early_serial_console.c4
-rw-r--r--arch/x86/boot/compressed/misc.c31
-rw-r--r--arch/x86/boot/compressed/misc.h27
4 files changed, 40 insertions, 26 deletions
diff --git a/arch/x86/boot/compressed/cmdline.c b/arch/x86/boot/compressed/cmdline.c
index cb62f786990d..10f6b1178c68 100644
--- a/arch/x86/boot/compressed/cmdline.c
+++ b/arch/x86/boot/compressed/cmdline.c
@@ -1,5 +1,7 @@
#include "misc.h"
+#ifdef CONFIG_EARLY_PRINTK
+
static unsigned long fs;
static inline void set_fs(unsigned long seg)
{
@@ -19,3 +21,5 @@ int cmdline_find_option_bool(const char *option)
{
return __cmdline_find_option_bool(real_mode->hdr.cmd_line_ptr, option);
}
+
+#endif
diff --git a/arch/x86/boot/compressed/early_serial_console.c b/arch/x86/boot/compressed/early_serial_console.c
index 261e81fb9582..d3d003cb5481 100644
--- a/arch/x86/boot/compressed/early_serial_console.c
+++ b/arch/x86/boot/compressed/early_serial_console.c
@@ -1,5 +1,9 @@
#include "misc.h"
+#ifdef CONFIG_EARLY_PRINTK
+
int early_serial_base;
#include "../early_serial_console.c"
+
+#endif
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 7116dcba0c9e..88f7ff6da404 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -108,8 +108,6 @@ static void error(char *m);
* This is set up by the setup-routine at boot-time
*/
struct boot_params *real_mode; /* Pointer to real-mode data */
-static int quiet;
-static int debug;
void *memset(void *s, int c, size_t n);
void *memcpy(void *dest, const void *src, size_t n);
@@ -170,15 +168,11 @@ static void serial_putchar(int ch)
outb(ch, early_serial_base + TXR);
}
-void __putstr(int error, const char *s)
+void __putstr(const char *s)
{
int x, y, pos;
char c;
-#ifndef CONFIG_X86_VERBOSE_BOOTUP
- if (!error)
- return;
-#endif
if (early_serial_base) {
const char *str = s;
while (*str) {
@@ -265,9 +259,9 @@ void *memcpy(void *dest, const void *src, size_t n)
static void error(char *x)
{
- __putstr(1, "\n\n");
- __putstr(1, x);
- __putstr(1, "\n\n -- System halted");
+ error_putstr("\n\n");
+ error_putstr(x);
+ error_putstr("\n\n -- System halted");
while (1)
asm("hlt");
@@ -294,8 +288,7 @@ static void parse_elf(void *output)
return;
}
- if (!quiet)
- putstr("Parsing ELF... ");
+ debug_putstr("Parsing ELF... ");
phdrs = malloc(sizeof(*phdrs) * ehdr.e_phnum);
if (!phdrs)
@@ -332,11 +325,6 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
{
real_mode = rmode;
- if (cmdline_find_option_bool("quiet"))
- quiet = 1;
- if (cmdline_find_option_bool("debug"))
- debug = 1;
-
if (real_mode->screen_info.orig_video_mode == 7) {
vidmem = (char *) 0xb0000;
vidport = 0x3b4;
@@ -349,8 +337,7 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
cols = real_mode->screen_info.orig_video_cols;
console_init();
- if (debug)
- putstr("early console in decompress_kernel\n");
+ debug_putstr("early console in decompress_kernel\n");
free_mem_ptr = heap; /* Heap */
free_mem_end_ptr = heap + BOOT_HEAP_SIZE;
@@ -369,11 +356,9 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
error("Wrong destination address");
#endif
- if (!quiet)
- putstr("\nDecompressing Linux... ");
+ debug_putstr("\nDecompressing Linux... ");
decompress(input_data, input_len, NULL, NULL, output, NULL, error);
parse_elf(output);
- if (!quiet)
- putstr("done.\nBooting the kernel.\n");
+ debug_putstr("done.\nBooting the kernel.\n");
return;
}
diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h
index 3f19c81a6203..0e6dc0ee0eea 100644
--- a/arch/x86/boot/compressed/misc.h
+++ b/arch/x86/boot/compressed/misc.h
@@ -24,9 +24,21 @@
/* misc.c */
extern struct boot_params *real_mode; /* Pointer to real-mode data */
-void __putstr(int error, const char *s);
-#define putstr(__x) __putstr(0, __x)
-#define puts(__x) __putstr(0, __x)
+void __putstr(const char *s);
+#define error_putstr(__x) __putstr(__x)
+
+#ifdef CONFIG_X86_VERBOSE_BOOTUP
+
+#define debug_putstr(__x) __putstr(__x)
+
+#else
+
+static inline void debug_putstr(const char *s)
+{ }
+
+#endif
+
+#ifdef CONFIG_EARLY_PRINTK
/* cmdline.c */
int cmdline_find_option(const char *option, char *buffer, int bufsize);
@@ -36,4 +48,13 @@ int cmdline_find_option_bool(const char *option);
extern int early_serial_base;
void console_init(void);
+#else
+
+/* early_serial_console.c */
+static const int early_serial_base;
+static inline void console_init(void)
+{ }
+
+#endif
+
#endif