diff options
Diffstat (limited to 'src/include/program_loading.h')
| -rw-r--r-- | src/include/program_loading.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/include/program_loading.h b/src/include/program_loading.h index 981bd7b557..eb9935020a 100644 --- a/src/include/program_loading.h +++ b/src/include/program_loading.h @@ -22,6 +22,7 @@ #include <stdint.h> #include <stddef.h> +#include <region.h> enum { /* Last segment of program. Can be used to take different actions for @@ -42,17 +43,22 @@ enum prog_type { PROG_VERSTAGE, PROG_ROMSTAGE, PROG_RAMSTAGE, + PROG_REFCODE, PROG_PAYLOAD, + PROG_BL31, }; /* Representation of a program. */ struct prog { enum prog_type type; const char *name; + /* Source of program content to load. */ + struct region_device rdev; /* The area can mean different things depending on what type the - * program is. e.g. a payload prog uses this field for the backing - * store of the payload_segments and data. After loading the segments - * area is updated to reflect the bounce buffer used. */ + * program is. A stage after being loaded reflects the memory occupied + * by the program, Since payloads are multi-segment one can't express + * the memory layout with one range. Instead this field is updated + * to reflect the bounce buffer used. */ struct buffer_area area; /* Entry to program with optional argument. It's up to the architecture * to decide if argument is passed. */ @@ -92,6 +98,8 @@ static inline void prog_set_entry(struct prog *prog, void *e, void *arg) prog->arg = arg; } +/* Locate the identified program to run. Return 0 on success. < 0 on error. */ +int prog_locate(struct prog *prog); /* Run the program described by prog. */ void prog_run(struct prog *prog); /* Per architecture implementation running a program. */ @@ -107,10 +115,10 @@ struct prog_loader_ops { /* Determine if the loader is the active one. If so returns 1 else 0 * or < 0 on error. */ int (*is_loader_active)(struct prog *prog); - /* Returns < 0 on error or 0 on success. This function needs to do - * different things depending on the prog type. See definition - * of struct prog above. */ - int (*prepare)(struct prog *prog); + /* Returns < 0 on error or 0 on success. This function locates + * the rdev representing the file data associated with the passed in + * prog. */ + int (*locate)(struct prog *prog); }; /************************ |