-/* Console interface to a host file on AMD's SimNow! */
-
-static int simnow_fd;
-
-enum {
- MAGIC1 = 0xBACCD00A,
- MAGIC2 = 0xCA110000,
- XOPEN = 5,
- XWRITE = 4,
-};
-
-static noinline long simnow(long cmd, long a, long b, long c)
-{
- long ret;
-
- asm volatile("cpuid" :
- "=a" (ret) :
- "b" (a), "c" (b), "d" (c), "0" (MAGIC1), "D" (cmd + MAGIC2));
- return ret;
-}
-
-static void __init simnow_init(char *str)
-{
- char *fn = "klog";
-
- if (*str == '=')
- fn = ++str;
- /* error ignored */
- simnow_fd = simnow(XOPEN, (unsigned long)fn, O_WRONLY|O_APPEND|O_CREAT, 0644);
-}
-
-static void simnow_write(struct console *con, const char *s, unsigned n)
-{
- simnow(XWRITE, simnow_fd, (unsigned long)s, n);
-}
-
-static struct console simnow_console = {
- .name = "simnow",
- .write = simnow_write,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-