diff options
Diffstat (limited to 'src/loader/impl/mb1.c')
| -rw-r--r-- | src/loader/impl/mb1.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/loader/impl/mb1.c b/src/loader/impl/mb1.c index 4aa267a..e713dd7 100644 --- a/src/loader/impl/mb1.c +++ b/src/loader/impl/mb1.c @@ -4,6 +4,7 @@ #include <elf.h> #include <impl/mb1.h> #include <lib.h> +#include <mem.h> #include <pnc.h> // The address where data gets stored @@ -39,6 +40,22 @@ static u32 mb1_store(void *data, u32 size) return MB1_LOAD_ADDRESS + (offset - size); } +static void mb1_store_mmap(struct mb1_info *info) +{ + struct mem_map *mem_map = mem_map_get(); + info->flags |= MB1_INFO_MEM_MAP; + info->mmap_length = mem_map->count * sizeof(struct mb1_mmap_entry); + info->mmap_addr = mb1_store(NULL, 0); + for (u32 i = 0; i < mem_map->count; i++) { + struct mb1_mmap_entry mmap_entry; + mmap_entry.struct_size = sizeof(mmap_entry) - 4; + mmap_entry.addr_low = mem_map->entry[i].base; + mmap_entry.len_low = mem_map->entry[i].length; + mmap_entry.type = mem_map->entry[i].type; + mb1_store(&mmap_entry, sizeof(mmap_entry)); + } +} + // Load the mb1 structs into memory static void mb1_load(struct mb1_entry *entry) { @@ -55,6 +72,10 @@ static void mb1_load(struct mb1_entry *entry) info->flags |= MB1_INFO_BOOT_LOADER_NAME; char loader_name[] = "SegelBoot"; info->boot_loader_name = mb1_store(loader_name, sizeof(loader_name)); + + // Set memory map + /* if (entry->flags & 2) TODO */ + mb1_store_mmap(info); } // Jump to kernel with correct info pointer in eax |