diff options
Diffstat (limited to 'arch/x86/kernel/early_printk.c')
-rw-r--r-- | arch/x86/kernel/early_printk.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index 34ad997d3834..23b138e31e9c 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c | |||
@@ -875,49 +875,6 @@ static struct console early_dbgp_console = { | |||
875 | }; | 875 | }; |
876 | #endif | 876 | #endif |
877 | 877 | ||
878 | /* Console interface to a host file on AMD's SimNow! */ | ||
879 | |||
880 | static int simnow_fd; | ||
881 | |||
882 | enum { | ||
883 | MAGIC1 = 0xBACCD00A, | ||
884 | MAGIC2 = 0xCA110000, | ||
885 | XOPEN = 5, | ||
886 | XWRITE = 4, | ||
887 | }; | ||
888 | |||
889 | static noinline long simnow(long cmd, long a, long b, long c) | ||
890 | { | ||
891 | long ret; | ||
892 | |||
893 | asm volatile("cpuid" : | ||
894 | "=a" (ret) : | ||
895 | "b" (a), "c" (b), "d" (c), "0" (MAGIC1), "D" (cmd + MAGIC2)); | ||
896 | return ret; | ||
897 | } | ||
898 | |||
899 | static void __init simnow_init(char *str) | ||
900 | { | ||
901 | char *fn = "klog"; | ||
902 | |||
903 | if (*str == '=') | ||
904 | fn = ++str; | ||
905 | /* error ignored */ | ||
906 | simnow_fd = simnow(XOPEN, (unsigned long)fn, O_WRONLY|O_APPEND|O_CREAT, 0644); | ||
907 | } | ||
908 | |||
909 | static void simnow_write(struct console *con, const char *s, unsigned n) | ||
910 | { | ||
911 | simnow(XWRITE, simnow_fd, (unsigned long)s, n); | ||
912 | } | ||
913 | |||
914 | static struct console simnow_console = { | ||
915 | .name = "simnow", | ||
916 | .write = simnow_write, | ||
917 | .flags = CON_PRINTBUFFER, | ||
918 | .index = -1, | ||
919 | }; | ||
920 | |||
921 | /* Direct interface for emergencies */ | 878 | /* Direct interface for emergencies */ |
922 | static struct console *early_console = &early_vga_console; | 879 | static struct console *early_console = &early_vga_console; |
923 | static int __initdata early_console_initialized; | 880 | static int __initdata early_console_initialized; |
@@ -960,10 +917,6 @@ static int __init setup_early_printk(char *buf) | |||
960 | max_ypos = boot_params.screen_info.orig_video_lines; | 917 | max_ypos = boot_params.screen_info.orig_video_lines; |
961 | current_ypos = boot_params.screen_info.orig_y; | 918 | current_ypos = boot_params.screen_info.orig_y; |
962 | early_console = &early_vga_console; | 919 | early_console = &early_vga_console; |
963 | } else if (!strncmp(buf, "simnow", 6)) { | ||
964 | simnow_init(buf + 6); | ||
965 | early_console = &simnow_console; | ||
966 | keep_early = 1; | ||
967 | #ifdef CONFIG_EARLY_PRINTK_DBGP | 920 | #ifdef CONFIG_EARLY_PRINTK_DBGP |
968 | } else if (!strncmp(buf, "dbgp", 4)) { | 921 | } else if (!strncmp(buf, "dbgp", 4)) { |
969 | if (early_dbgp_init(buf+4) < 0) | 922 | if (early_dbgp_init(buf+4) < 0) |