diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/program_loading.h | 34 | ||||
| -rw-r--r-- | src/lib/prog_loaders.c | 3 |
2 files changed, 21 insertions, 16 deletions
diff --git a/src/include/program_loading.h b/src/include/program_loading.h index eb9935020a..7506c50f0f 100644 --- a/src/include/program_loading.h +++ b/src/include/program_loading.h @@ -34,11 +34,6 @@ enum { * set on the last segment loaded. */ void arch_segment_loaded(uintptr_t start, size_t size, int flags); -struct buffer_area { - void *data; - size_t size; -}; - enum prog_type { PROG_VERSTAGE, PROG_ROMSTAGE, @@ -52,28 +47,27 @@ enum prog_type { struct prog { enum prog_type type; const char *name; - /* Source of program content to load. */ + /* Source of program content to load. After loading program it + * represents the memory region of the stages and payload. For + * architectures that use a bounce buffer then it would represent + * the bounce buffer. */ struct region_device rdev; - /* The area can mean different things depending on what type the - * 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. */ void (*entry)(void *); void *arg; }; +/* Only valid for loaded programs. */ static inline size_t prog_size(const struct prog *prog) { - return prog->area.size; + return region_device_sz(&prog->rdev); } +/* Only valid for loaded programs. */ static inline void *prog_start(const struct prog *prog) { - return prog->area.data; + return rdev_mmap_full(&prog->rdev); } static inline void *prog_entry(const struct prog *prog) @@ -86,10 +80,18 @@ static inline void *prog_entry_arg(const struct prog *prog) return prog->arg; } +/* region_device representing the 32-bit flat address space. */ +extern const struct mem_region_device addrspace_32bit; + +static inline void prog_memory_init(struct prog *prog, uintptr_t ptr, + size_t size) +{ + rdev_chain(&prog->rdev, &addrspace_32bit.rdev, ptr, size); +} + static inline void prog_set_area(struct prog *prog, void *start, size_t size) { - prog->area.data = start; - prog->area.size = size; + prog_memory_init(prog, (uintptr_t)start, size); } static inline void prog_set_entry(struct prog *prog, void *e, void *arg) diff --git a/src/lib/prog_loaders.c b/src/lib/prog_loaders.c index 881cd99794..77999945d1 100644 --- a/src/lib/prog_loaders.c +++ b/src/lib/prog_loaders.c @@ -35,6 +35,9 @@ #include <symbols.h> #include <timestamp.h> +/* Only can represent up to 1 byte less than size_t. */ +const struct mem_region_device addrspace_32bit = MEM_REGION_DEV_INIT(0, ~0UL); + #define DEFAULT_CBFS_LOADER_PRESENT \ (!ENV_VERSTAGE || (ENV_VERSTAGE && !CONFIG_RETURN_FROM_VERSTAGE)) |