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OpenCloudOS-Kernel
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x86, boot: Wrap debug printing in a new debug_putstr function 

Change all instances of if (debug) putstr(...) to a new debug_putstr(...).
This allows a future change to conditionally stub out debug_putstr to save
space.

Signed-off-by: Joe Millenbach <jmillenbach@gmail.com>
Link: http://lkml.kernel.org/r/1342746282-28497-3-git-send-email-jmillenbach@gmail.com
Signed-off-by: Gokul Caushik <caushik1@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Joe Millenbach 2012-07-19 18:04:37 -07:00 committed by H. Peter Anvin
parent 9f4e4392cb
commit e605a42597
1 changed files with 10 additions and 8 deletions
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18
arch/x86/boot/compressed/misc.c
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@ -223,6 +223,12 @@ void __putstr(int error, const char *s)
outb(0xff & (pos >> 1), vidport+1);
}
static void debug_putstr(const char *s)
{
if (debug)
putstr(s);
}
void *memset(void *s, int c, size_t n)
{
int i;
@ -293,8 +299,7 @@ static void parse_elf(void *output)
return;
}
if (debug)
putstr("Parsing ELF... ");
debug_putstr("Parsing ELF... ");
phdrs = malloc(sizeof(*phdrs) * ehdr.e_phnum);
if (!phdrs)
@ -346,8 +351,7 @@ 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;
@ -366,11 +370,9 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
error("Wrong destination address");
#endif
if (debug)
putstr("\nDecompressing Linux... ");
debug_putstr("\nDecompressing Linux... ");
decompress(input_data, input_len, NULL, NULL, output, NULL, error);
parse_elf(output);
if (debug)
putstr("done.\nBooting the kernel.\n");
debug_putstr("done.\nBooting the kernel.\n");
return;
}