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efi_loader: log messages for bootefi command 

Write log messages when booting via the bootefi command to allow tracking
on the syslog server. Example messages are

    Booting /snp.efi

or

    Booting /MemoryMapped(0x0,0x4fe00000,0x35a40)
    Loading image failed

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-08-25 17:54:05 +00:00
parent 0d32d8cf9d
commit c2f010393b
1 changed files with 9 additions and 3 deletions
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12
cmd/bootefi.c
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@ -433,7 +433,9 @@ efi_status_t efi_run_image(void *source_buffer, efi_uintn_t source_size)
{ {
efi_handle_t mem_handle = NULL, handle; efi_handle_t mem_handle = NULL, handle;
struct efi_device_path *file_path = NULL; struct efi_device_path *file_path = NULL;
struct efi_device_path *msg_path;
efi_status_t ret; efi_status_t ret;
u16 *load_options;
if (!bootefi_device_path || !bootefi_image_path) { if (!bootefi_device_path || !bootefi_image_path) {
/* /*
@ -456,17 +458,21 @@ efi_status_t efi_run_image(void *source_buffer, efi_uintn_t source_size)
file_path); file_path);
if (ret != EFI_SUCCESS) if (ret != EFI_SUCCESS)
goto out; goto out;
msg_path = file_path;
} else { } else {
file_path = efi_dp_append(bootefi_device_path, file_path = efi_dp_append(bootefi_device_path,
bootefi_image_path); bootefi_image_path);
msg_path = bootefi_image_path;
} }
log_info("Booting %pD\n", msg_path);
ret = EFI_CALL(efi_load_image(false, efi_root, file_path, source_buffer, ret = EFI_CALL(efi_load_image(false, efi_root, file_path, source_buffer,
source_size, &handle)); source_size, &handle));
if (ret != EFI_SUCCESS) if (ret != EFI_SUCCESS) {
log_err("Loading image failed\n");
goto out; goto out;
}
u16 *load_options;
/* Transfer environment variable as load options */ /* Transfer environment variable as load options */
ret = efi_env_set_load_options(handle, "bootargs", &load_options); ret = efi_env_set_load_options(handle, "bootargs", &load_options);