diff options
Diffstat (limited to 'sys/boot/userboot/userboot.h')
| -rw-r--r-- | sys/boot/userboot/userboot.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/boot/userboot/userboot.h b/sys/boot/userboot/userboot.h index e38927e..7ffb06f 100644 --- a/sys/boot/userboot/userboot.h +++ b/sys/boot/userboot/userboot.h @@ -34,6 +34,14 @@ #define USERBOOT_VERSION_3 3 /* + * Version 4 added more generic callbacks for setting up + * registers and descriptors. The callback structure is + * backward compatible (new callbacks have been added at + * the tail end). + */ +#define USERBOOT_VERSION_4 4 + +/* * Exit codes from the loader */ #define USERBOOT_EXIT_QUIT 1 @@ -195,4 +203,11 @@ struct loader_callbacks { * each invocation will add 1 to the previous value of 'num'. */ const char * (*getenv)(void *arg, int num); + + /* + * Version 4 additions. + */ + int (*vm_set_register)(void *arg, int vcpu, int reg, uint64_t val); + int (*vm_set_desc)(void *arg, int vcpu, int reg, uint64_t base, + u_int limit, u_int access); }; |
