diff options
Diffstat (limited to 'src/include/memrange.h')
| -rw-r--r-- | src/include/memrange.h | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/src/include/memrange.h b/src/include/memrange.h index 7f42aa2b0b..0d20236d61 100644 --- a/src/include/memrange.h +++ b/src/include/memrange.h @@ -24,6 +24,8 @@ struct memranges { /* coreboot doesn't have a free() function. Therefore, keep a cache of * free'd entries. */ struct range_entry *free_list; + /* Alignment for base and end addresses of the range. (Must be power of 2). */ + size_t align; }; /* Each region within a memranges structure is represented by a @@ -86,17 +88,32 @@ static inline void range_entry_update_tag(struct range_entry *r, #define memranges_each_entry(r, ranges) \ for (r = (ranges)->entries; r != NULL; r = r->next) + /* Initialize memranges structure providing an optional array of range_entry - * to use as the free list. */ -void memranges_init_empty(struct memranges *ranges, struct range_entry *free, - size_t num_free); + * to use as the free list. Additionally, it accepts an align parameter that + * determines the alignment of addresses. (Alignment must be a power of 2). */ +void memranges_init_empty_with_alignment(struct memranges *ranges, + struct range_entry *free, + size_t num_free, size_t align); /* Initialize and fill a memranges structure according to the * mask and match type for all memory resources. Tag each entry with the - * specified type. */ -void memranges_init(struct memranges *ranges, + * specified type. Additionally, it accepts an align parameter that + * determines the alignment of addresses. (Alignment must be a power of 2). */ +void memranges_init_with_alignment(struct memranges *ranges, unsigned long mask, unsigned long match, - unsigned long tag); + unsigned long tag, size_t align); + +/* Initialize memranges structure providing an optional array of range_entry + * to use as the free list. Addresses are default aligned to 4KiB. */ +#define memranges_init_empty(__ranges, __free, __num_free) \ + memranges_init_empty_with_alignment(__ranges, __free, __num_free, 4 * KiB) + +/* Initialize and fill a memranges structure according to the + * mask and match type for all memory resources. Tag each entry with the + * specified type. Addresses are default aligned to 4KiB. */ +#define memranges_init(__ranges, __mask, __match, __tag) \ + memranges_init_with_alignment(__ranges, __mask, __match, __tag, 4 * KiB) /* Clone a memrange. The new memrange has the same entries as the old one. */ void memranges_clone(struct memranges *newranges, struct memranges *oldranges); |