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[USER] Load and run ELF module in userspace

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This commit is contained in:
Thomas Lovén
2016-11-29 09:16:04 +01:00
parent aa50bbcd0f
commit 63b3c3f2c0
11 changed files with 163 additions and 21 deletions
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12
kernel/boot/multiboot.c
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@@ -25,6 +25,16 @@ void parse_multiboot1()
mboot_data.mmap_size = data->mmap_len/sizeof(mboot1_mmap_entry);
mboot_data.mmap = P2V(data->mmap_addr);
}
if(data->flags & (1<<3))
{
if(data->mods_count)
{
mboot1_module_entry *mod = P2V(data->mods_addr);
mboot_data.init = P2V(mod->mod_start);
mboot_data.init_len = mod->mod_end - mod->mod_start;
debug_ok("[MBOOT1] init executable: %x (%x bytes)\n", mboot_data.init, mboot_data.init_len);
}
}
}
char *mboot_tags_type[] = {
@@ -120,6 +130,8 @@ void multiboot_init(uint64_t magic, void *data)
int multiboot_page_used(uintptr_t addr)
{
if(overlapsz(addr, PAGE_SIZE, V2P(mboot_data.init), mboot_data.init_len))
return 1;
if(mboot_data.version == 1)
{
mboot1_info *data = mboot_data.data;