Merge tag 'efi-2019-10-rc1-2' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi

Pull request for UEFI sub-system for v2019.10-rc1 (2)

* Implement the EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
* Address errors of type -Werror=address-of-packed-member when building
  with GCC9.1
* Fix an error when adding memory add addres 0x00000000.
* Rework some code comments for Sphinx compliance.

2 files changed, 25 insertions, 11 deletions

diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index c19256e..a45bfd1 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -24,7 +24,7 @@ DECLARE_GLOBAL_DATA_PTR;
 static struct efi_device_path *bootefi_image_path;
 static struct efi_device_path *bootefi_device_path;
 
-/*
+/**
  * Set the load options of an image from an environment variable.
  *
  * @handle:	the image handle
@@ -143,7 +143,7 @@ done:
 	return ret;
 }
 
-/*
+/**
  * efi_carve_out_dt_rsv() - Carve out DT reserved memory ranges
  *
  * The mem_rsv entries of the FDT are added to the memory map. Any failures are
@@ -169,8 +169,8 @@ static void efi_carve_out_dt_rsv(void *fdt)
 
 		pages = efi_size_in_pages(size + (addr & EFI_PAGE_MASK));
 		addr &= ~EFI_PAGE_MASK;
-		if (!efi_add_memory_map(addr, pages, EFI_RESERVED_MEMORY_TYPE,
-					false))
+		if (efi_add_memory_map(addr, pages, EFI_RESERVED_MEMORY_TYPE,
+				       false) != EFI_SUCCESS)
 			printf("FDT memrsv map %d: Failed to add to map\n", i);
 	}
 }
@@ -342,7 +342,7 @@ static int do_efibootmgr(void)
 	return CMD_RET_SUCCESS;
 }
 
-/*
+/**
  * do_bootefi_image() - execute EFI binary
  *
  * Set up memory image for the binary to be loaded, prepare device path, and
@@ -612,6 +612,16 @@ U_BOOT_CMD(
 	bootefi_help_text
 );
 
+/**
+ * efi_set_bootdev() - set boot device
+ *
+ * This function is called when a file is loaded, e.g. via the 'load' command.
+ * We use the path to this file to inform the UEFI binary about the boot device.
+ *
+ * @dev:	device, e.g. "MMC"
+ * @devnr:	number of the device, e.g. "1:2"
+ * @path:	path to file loaded
+ */
 void efi_set_bootdev(const char *dev, const char *devnr, const char *path)
 {
 	struct efi_device_path *device, *image;
diff --git a/cmd/efidebug.c b/cmd/efidebug.c
index cb152b3..02dc491 100644
--- a/cmd/efidebug.c
+++ b/cmd/efidebug.c
@@ -394,6 +394,7 @@ static const struct efi_mem_attrs {
 
 /**
  * print_memory_attributes() - print memory map attributes
+ *
  * @attributes:	Attribute value
  *
  * Print memory map attributes
@@ -487,9 +488,9 @@ static int do_efi_show_memmap(cmd_tbl_t *cmdtp, int flag,
  * Return:	CMD_RET_SUCCESS on success,
  *		CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
  *
- * Implement efidebug "boot add" sub-command.
- * Create or change UEFI load option.
- *   - boot add <id> <label> <interface> <devnum>[:<part>] <file> <options>
+ * Implement efidebug "boot add" sub-command. Create or change UEFI load option.
+ *
+ *     efidebug boot add <id> <label> <interface> <devnum>[:<part>] <file> <options>
  */
 static int do_efi_boot_add(cmd_tbl_t *cmdtp, int flag,
 			   int argc, char * const argv[])
@@ -587,7 +588,8 @@ out:
  *
  * Implement efidebug "boot rm" sub-command.
  * Delete UEFI load options.
- *   - boot rm <id> ...
+ *
+ *     efidebug boot rm <id> ...
  */
 static int do_efi_boot_rm(cmd_tbl_t *cmdtp, int flag,
 			  int argc, char * const argv[])
@@ -890,7 +892,8 @@ out:
  *
  * Implement efidebug "boot next" sub-command.
  * Set BootNext variable.
- *   - boot next <id>
+ *
+ *     efidebug boot next <id>
  */
 static int do_efi_boot_next(cmd_tbl_t *cmdtp, int flag,
 			    int argc, char * const argv[])
@@ -938,7 +941,8 @@ out:
  *
  * Implement efidebug "boot order" sub-command.
  * Show order of UEFI load options, or change it in BootOrder variable.
- *   - boot order [<id> ...]
+ *
+ *     efidebug boot order [<id> ...]
  */
 static int do_efi_boot_order(cmd_tbl_t *cmdtp, int flag,
 			     int argc, char * const argv[])