diff options
Diffstat (limited to 'sys/dev/random/nehemiah.c')
| -rw-r--r-- | sys/dev/random/nehemiah.c | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/sys/dev/random/nehemiah.c b/sys/dev/random/nehemiah.c index f3afa89..e811115 100644 --- a/sys/dev/random/nehemiah.c +++ b/sys/dev/random/nehemiah.c @@ -28,19 +28,20 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); -#include "opt_cpu.h" - -#ifdef PADLOCK_RNG - #include <sys/param.h> #include <sys/time.h> #include <sys/lock.h> #include <sys/mutex.h> +#include <sys/module.h> #include <sys/selinfo.h> #include <sys/systm.h> +#include <sys/kernel.h> #include <machine/pcb.h> +#include <machine/md_var.h> +#include <machine/specialreg.h> +#include <dev/random/random_adaptors.h> #include <dev/random/randomdev.h> #define RANDOM_BLOCK_SIZE 256 @@ -50,7 +51,7 @@ static void random_nehemiah_init(void); static void random_nehemiah_deinit(void); static int random_nehemiah_read(void *, int); -struct random_systat random_nehemiah = { +struct random_adaptor random_nehemiah = { .ident = "Hardware, VIA Nehemiah", .init = random_nehemiah_init, .deinit = random_nehemiah_deinit, @@ -208,4 +209,33 @@ random_nehemiah_read(void *buf, int c) return (c); } +static int +nehemiah_modevent(module_t mod, int type, void *unused) +{ + + switch (type) { + case MOD_LOAD: + if (via_feature_rng & VIA_HAS_RNG) { + random_adaptor_register("nehemiah", &random_nehemiah); + EVENTHANDLER_INVOKE(random_adaptor_attach, + &random_nehemiah); + return (0); + } else { +#ifndef KLD_MODULE + if (bootverbose) #endif + printf( + "%s: VIA RNG feature is not present on this CPU\n", + random_nehemiah.ident); +#ifdef KLD_MODULE + return (ENXIO); +#else + return (0); +#endif + } + } + + return (EINVAL); +} + +RANDOM_ADAPTOR_MODULE(nehemiah, nehemiah_modevent, 1); |
