diff options
Diffstat (limited to 'arch/tile/kernel/early_printk.c')
| -rw-r--r-- | arch/tile/kernel/early_printk.c | 69 | 
1 files changed, 14 insertions, 55 deletions
diff --git a/arch/tile/kernel/early_printk.c b/arch/tile/kernel/early_printk.c index 493a0e66d91..b608e00e7f6 100644 --- a/arch/tile/kernel/early_printk.c +++ b/arch/tile/kernel/early_printk.c @@ -16,41 +16,31 @@  #include <linux/kernel.h>  #include <linux/init.h>  #include <linux/string.h> +#include <linux/irqflags.h> +#include <linux/printk.h>  #include <asm/setup.h>  #include <hv/hypervisor.h>  static void early_hv_write(struct console *con, const char *s, unsigned n)  { -	hv_console_write((HV_VirtAddr) s, n); +	tile_console_write(s, n); + +	/* +	 * Convert NL to NLCR (close enough to CRNL) during early boot. +	 * We assume newlines are at the ends of strings, which turns out +	 * to be good enough for early boot console output. +	 */ +	if (n && s[n-1] == '\n') +		tile_console_write("\r", 1);  }  static struct console early_hv_console = {  	.name =		"earlyhv",  	.write =	early_hv_write, -	.flags =	CON_PRINTBUFFER, +	.flags =	CON_PRINTBUFFER | CON_BOOT,  	.index =	-1,  }; -/* Direct interface for emergencies */ -static struct console *early_console = &early_hv_console; -static int early_console_initialized; -static int early_console_complete; - -static void early_vprintk(const char *fmt, va_list ap) -{ -	char buf[512]; -	int n = vscnprintf(buf, sizeof(buf), fmt, ap); -	early_console->write(early_console, buf, n); -} - -void early_printk(const char *fmt, ...) -{ -	va_list ap; -	va_start(ap, fmt); -	early_vprintk(fmt, ap); -	va_end(ap); -} -  void early_panic(const char *fmt, ...)  {  	va_list ap; @@ -58,52 +48,21 @@ void early_panic(const char *fmt, ...)  	va_start(ap, fmt);  	early_printk("Kernel panic - not syncing: ");  	early_vprintk(fmt, ap); -	early_console->write(early_console, "\n", 1); +	early_printk("\n");  	va_end(ap);  	dump_stack();  	hv_halt();  } -static int __initdata keep_early; -  static int __init setup_early_printk(char *str)  { -	if (early_console_initialized) +	if (early_console)  		return 1; -	if (str != NULL && strncmp(str, "keep", 4) == 0) -		keep_early = 1; -  	early_console = &early_hv_console; -	early_console_initialized = 1;  	register_console(early_console);  	return 0;  } -void __init disable_early_printk(void) -{ -	early_console_complete = 1; -	if (!early_console_initialized || !early_console) -		return; -	if (!keep_early) { -		early_printk("disabling early console\n"); -		unregister_console(early_console); -		early_console_initialized = 0; -	} else { -		early_printk("keeping early console\n"); -	} -} - -void warn_early_printk(void) -{ -	if (early_console_complete || early_console_initialized) -		return; -	early_printk("\ -Machine shutting down before console output is fully initialized.\n\ -You may wish to reboot and add the option 'earlyprintk' to your\n\ -boot command line to see any diagnostic early console output.\n\ -"); -} -  early_param("earlyprintk", setup_early_printk);  | 
