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path: root/drivers/firmware
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-rw-r--r--drivers/firmware/efi/efi-stub-helper.c148
1 files changed, 38 insertions, 110 deletions
diff --git a/drivers/firmware/efi/efi-stub-helper.c b/drivers/firmware/efi/efi-stub-helper.c
index b6bffbfd3be7..a0282872d97d 100644
--- a/drivers/firmware/efi/efi-stub-helper.c
+++ b/drivers/firmware/efi/efi-stub-helper.c
@@ -16,18 +16,6 @@ struct file_info {
u64 size;
};
-
-
-
-static void efi_char16_printk(efi_system_table_t *sys_table_arg,
- efi_char16_t *str)
-{
- struct efi_simple_text_output_protocol *out;
-
- out = (struct efi_simple_text_output_protocol *)sys_table_arg->con_out;
- efi_call_phys2(out->output_string, out, str);
-}
-
static void efi_printk(efi_system_table_t *sys_table_arg, char *str)
{
char *s8;
@@ -65,20 +53,23 @@ again:
* allocation which may be in a new descriptor region.
*/
*map_size += sizeof(*m);
- status = efi_call_phys3(sys_table_arg->boottime->allocate_pool,
- EFI_LOADER_DATA, *map_size, (void **)&m);
+ status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
+ *map_size, (void **)&m);
if (status != EFI_SUCCESS)
goto fail;
- status = efi_call_phys5(sys_table_arg->boottime->get_memory_map,
- map_size, m, &key, desc_size, &desc_version);
+ *desc_size = 0;
+ key = 0;
+ status = efi_early->call(efi_early->get_memory_map, map_size, m,
+ &key, desc_size, &desc_version);
if (status == EFI_BUFFER_TOO_SMALL) {
- efi_call_phys1(sys_table_arg->boottime->free_pool, m);
+ efi_early->call(efi_early->free_pool, m);
goto again;
}
if (status != EFI_SUCCESS)
- efi_call_phys1(sys_table_arg->boottime->free_pool, m);
+ efi_early->call(efi_early->free_pool, m);
+
if (key_ptr && status == EFI_SUCCESS)
*key_ptr = key;
if (desc_ver && status == EFI_SUCCESS)
@@ -158,9 +149,9 @@ again:
if (!max_addr)
status = EFI_NOT_FOUND;
else {
- status = efi_call_phys4(sys_table_arg->boottime->allocate_pages,
- EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
- nr_pages, &max_addr);
+ status = efi_early->call(efi_early->allocate_pages,
+ EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
+ nr_pages, &max_addr);
if (status != EFI_SUCCESS) {
max = max_addr;
max_addr = 0;
@@ -170,8 +161,7 @@ again:
*addr = max_addr;
}
- efi_call_phys1(sys_table_arg->boottime->free_pool, map);
-
+ efi_early->call(efi_early->free_pool, map);
fail:
return status;
}
@@ -231,9 +221,9 @@ static efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
if ((start + size) > end)
continue;
- status = efi_call_phys4(sys_table_arg->boottime->allocate_pages,
- EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
- nr_pages, &start);
+ status = efi_early->call(efi_early->allocate_pages,
+ EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
+ nr_pages, &start);
if (status == EFI_SUCCESS) {
*addr = start;
break;
@@ -243,7 +233,7 @@ static efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
if (i == map_size / desc_size)
status = EFI_NOT_FOUND;
- efi_call_phys1(sys_table_arg->boottime->free_pool, map);
+ efi_early->call(efi_early->free_pool, map);
fail:
return status;
}
@@ -257,7 +247,7 @@ static void efi_free(efi_system_table_t *sys_table_arg, unsigned long size,
return;
nr_pages = round_up(size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE;
- efi_call_phys2(sys_table_arg->boottime->free_pages, addr, nr_pages);
+ efi_early->call(efi_early->free_pages, addr, nr_pages);
}
@@ -276,9 +266,7 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
{
struct file_info *files;
unsigned long file_addr;
- efi_guid_t fs_proto = EFI_FILE_SYSTEM_GUID;
u64 file_size_total;
- efi_file_io_interface_t *io;
efi_file_handle_t *fh;
efi_status_t status;
int nr_files;
@@ -319,10 +307,8 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
if (!nr_files)
return EFI_SUCCESS;
- status = efi_call_phys3(sys_table_arg->boottime->allocate_pool,
- EFI_LOADER_DATA,
- nr_files * sizeof(*files),
- (void **)&files);
+ status = efi_early->call(efi_early->allocate_pool, EFI_LOADER_DATA,
+ nr_files * sizeof(*files), (void **)&files);
if (status != EFI_SUCCESS) {
efi_printk(sys_table_arg, "Failed to alloc mem for file handle list\n");
goto fail;
@@ -331,13 +317,8 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
str = cmd_line;
for (i = 0; i < nr_files; i++) {
struct file_info *file;
- efi_file_handle_t *h;
- efi_file_info_t *info;
efi_char16_t filename_16[256];
- unsigned long info_sz;
- efi_guid_t info_guid = EFI_FILE_INFO_ID;
efi_char16_t *p;
- u64 file_sz;
str = strstr(str, option_string);
if (!str)
@@ -368,71 +349,18 @@ static efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
/* Only open the volume once. */
if (!i) {
- efi_boot_services_t *boottime;
-
- boottime = sys_table_arg->boottime;
-
- status = efi_call_phys3(boottime->handle_protocol,
- image->device_handle, &fs_proto,
- (void **)&io);
- if (status != EFI_SUCCESS) {
- efi_printk(sys_table_arg, "Failed to handle fs_proto\n");
- goto free_files;
- }
-
- status = efi_call_phys2(io->open_volume, io, &fh);
- if (status != EFI_SUCCESS) {
- efi_printk(sys_table_arg, "Failed to open volume\n");
+ status = efi_open_volume(sys_table_arg, image,
+ (void **)&fh);
+ if (status != EFI_SUCCESS)
goto free_files;
- }
}
- status = efi_call_phys5(fh->open, fh, &h, filename_16,
- EFI_FILE_MODE_READ, (u64)0);
- if (status != EFI_SUCCESS) {
- efi_printk(sys_table_arg, "Failed to open file: ");
- efi_char16_printk(sys_table_arg, filename_16);
- efi_printk(sys_table_arg, "\n");
+ status = efi_file_size(sys_table_arg, fh, filename_16,
+ (void **)&file->handle, &file->size);
+ if (status != EFI_SUCCESS)
goto close_handles;
- }
- file->handle = h;
-
- info_sz = 0;
- status = efi_call_phys4(h->get_info, h, &info_guid,
- &info_sz, NULL);
- if (status != EFI_BUFFER_TOO_SMALL) {
- efi_printk(sys_table_arg, "Failed to get file info size\n");
- goto close_handles;
- }
-
-grow:
- status = efi_call_phys3(sys_table_arg->boottime->allocate_pool,
- EFI_LOADER_DATA, info_sz,
- (void **)&info);
- if (status != EFI_SUCCESS) {
- efi_printk(sys_table_arg, "Failed to alloc mem for file info\n");
- goto close_handles;
- }
-
- status = efi_call_phys4(h->get_info, h, &info_guid,
- &info_sz, info);
- if (status == EFI_BUFFER_TOO_SMALL) {
- efi_call_phys1(sys_table_arg->boottime->free_pool,
- info);
- goto grow;
- }
-
- file_sz = info->file_size;
- efi_call_phys1(sys_table_arg->boottime->free_pool, info);
-
- if (status != EFI_SUCCESS) {
- efi_printk(sys_table_arg, "Failed to get file info\n");
- goto close_handles;
- }
-
- file->size = file_sz;
- file_size_total += file_sz;
+ file_size_total += file->size;
}
if (file_size_total) {
@@ -468,10 +396,10 @@ grow:
chunksize = EFI_READ_CHUNK_SIZE;
else
chunksize = size;
- status = efi_call_phys3(fh->read,
- files[j].handle,
- &chunksize,
- (void *)addr);
+
+ status = efi_file_read(fh, files[j].handle,
+ &chunksize,
+ (void *)addr);
if (status != EFI_SUCCESS) {
efi_printk(sys_table_arg, "Failed to read file\n");
goto free_file_total;
@@ -480,12 +408,12 @@ grow:
size -= chunksize;
}
- efi_call_phys1(fh->close, files[j].handle);
+ efi_file_close(fh, files[j].handle);
}
}
- efi_call_phys1(sys_table_arg->boottime->free_pool, files);
+ efi_early->call(efi_early->free_pool, files);
*load_addr = file_addr;
*load_size = file_size_total;
@@ -497,9 +425,9 @@ free_file_total:
close_handles:
for (k = j; k < i; k++)
- efi_call_phys1(fh->close, files[k].handle);
+ efi_file_close(fh, files[k].handle);
free_files:
- efi_call_phys1(sys_table_arg->boottime->free_pool, files);
+ efi_early->call(efi_early->free_pool, files);
fail:
*load_addr = 0;
*load_size = 0;
@@ -545,9 +473,9 @@ static efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg,
* as possible while respecting the required alignment.
*/
nr_pages = round_up(alloc_size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE;
- status = efi_call_phys4(sys_table_arg->boottime->allocate_pages,
- EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
- nr_pages, &efi_addr);
+ status = efi_early->call(efi_early->allocate_pages,
+ EFI_ALLOCATE_ADDRESS, EFI_LOADER_DATA,
+ nr_pages, &efi_addr);
new_addr = efi_addr;
/*
* If preferred address allocation failed allocate as low as
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 08:46:17 +0000