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Merge pull request #634 from icarlosvenegas/sd-boot-show-efi-cmdline_v2

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sd-boot: Show stub cmdline when edit (v2)
This commit is contained in:
Kay Sievers 2015-07-26 00:35:23 +02:00
commit 2da6d7b91d
1 changed files with 15 additions and 2 deletions
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17
src/boot/efi/boot.c
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@ -1495,6 +1495,7 @@ static VOID config_entry_add_osx(Config *config) {
static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_image, EFI_FILE *root_dir) {
EFI_FILE_HANDLE linux_dir;
EFI_STATUS err;
ConfigEntry *entry;
err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &linux_dir, L"\\EFI\\Linux", EFI_FILE_MODE_READ, 0ULL);
if (!EFI_ERROR(err)) {
@ -1504,6 +1505,7 @@ static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_ima
EFI_FILE_INFO *f;
CHAR8 *sections[] = {
(UINT8 *)".osrel",
(UINT8 *)".cmdline",
NULL
};
UINTN offs[ELEMENTSOF(sections)-1] = {};
@ -1535,7 +1537,7 @@ static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_ima
if (StriCmp(f->FileName + len - 4, L".efi") != 0)
continue;
/* look for an .osrel section in the .efi binary */
/* look for .osrel and .cmdline sections in the .efi binary */
err = pefile_locate_sections(linux_dir, f->FileName, sections, addrs, offs, szs);
if (EFI_ERROR(err))
continue;
@ -1575,10 +1577,21 @@ static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_ima
if (os_name && os_id && (os_version || os_build)) {
CHAR16 *conf;
CHAR16 *path;
CHAR16 *cmdline;
conf = PoolPrint(L"%s-%s", os_id, os_version ? : os_build);
path = PoolPrint(L"\\EFI\\Linux\\%s", f->FileName);
config_entry_add_loader(config, loaded_image->DeviceHandle, LOADER_LINUX, conf, 'l', os_name, path);
entry = config_entry_add_loader(config, loaded_image->DeviceHandle, LOADER_LINUX, conf, 'l', os_name, path);
FreePool(content);
/* read the embedded cmdline file */
len = file_read(linux_dir, f->FileName, offs[1], szs[1] - 1 , &content);
if (len > 0) {
cmdline = stra_to_str(content);
entry->options = cmdline;
cmdline = NULL;
}
FreePool(cmdline);
FreePool(conf);
FreePool(path);
}