diff options
Diffstat (limited to 'util/flashrom/cbtable.c')
| -rw-r--r-- | util/flashrom/cbtable.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/util/flashrom/cbtable.c b/util/flashrom/cbtable.c index 284140a563..2a3f2a75f0 100644 --- a/util/flashrom/cbtable.c +++ b/util/flashrom/cbtable.c @@ -184,11 +184,20 @@ static void search_lb_records(struct lb_record *rec, struct lb_record *last, int coreboot_init(void) { uint8_t *low_1MB; - unsigned long addr; + unsigned long addr, start; struct lb_header *lb_table; struct lb_record *rec, *last; - low_1MB = physmap("low megabyte", 0x0, 1024*1024); +#ifdef __DARWIN__ + /* This is a hack. DirectIO fails to map physical address 0x00000000. + * Why? + */ + start = 0x400; +#else + start = 0x0; +#endif + low_1MB = physmap("low megabyte", start, 1024*1024); + lb_table = find_lb_table(low_1MB, 0x00000, 0x1000); if (!lb_table) lb_table = find_lb_table(low_1MB, 0xf0000, 1024*1024); @@ -197,8 +206,8 @@ int coreboot_init(void) return -1; } - addr = ((char *)lb_table) - ((char *)low_1MB); - printf_debug("coreboot table found at %p.\n", lb_table); + addr = ((char *)lb_table) - ((char *)low_1MB) + start; + printf_debug("coreboot table found at %p.\n", lb_table + start); rec = (struct lb_record *)(((char *)lb_table) + lb_table->header_bytes); last = (struct lb_record *)(((char *)rec) + lb_table->table_bytes); printf_debug("coreboot header(%d) checksum: %04x table(%d) checksum: %04x entries: %d\n", |