diff options
Diffstat (limited to 'arch/efi/efi/efi.c')
-rw-r--r-- | arch/efi/efi/efi.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/arch/efi/efi/efi.c b/arch/efi/efi/efi.c index d351775a28..c05d183c02 100644 --- a/arch/efi/efi/efi.c +++ b/arch/efi/efi/efi.c @@ -310,7 +310,8 @@ device_initcall(efi_init); */ efi_status_t efi_main(efi_handle_t image, efi_system_table_t *sys_table) { - void *mem; + efi_physical_addr_t mem; + size_t memsize; efi_status_t efiret; #ifdef DEBUG @@ -332,8 +333,21 @@ efi_status_t efi_main(efi_handle_t image, efi_system_table_t *sys_table) fixup_tables(); - BS->allocate_pool(efi_loaded_image->image_data_type, SZ_16M, &mem); - mem_malloc_init(mem, mem + SZ_16M); + mem = 0x3fffffff; + for (memsize = SZ_256M; memsize >= SZ_8M; memsize /= 2) { + efiret = BS->allocate_pages(EFI_ALLOCATE_MAX_ADDRESS, + EFI_LOADER_DATA, + memsize/PAGE_SIZE, &mem); + if (!EFI_ERROR(efiret)) + break; + if (efiret != EFI_OUT_OF_RESOURCES) + panic("failed to allocate malloc pool: %s\n", + efi_strerror(efiret)); + } + if (EFI_ERROR(efiret)) + panic("failed to allocate malloc pool: %s\n", + efi_strerror(efiret)); + mem_malloc_init((void *)mem, (void *)mem + memsize); efi_clocksource_init(); |