commit d2ae30d2757105e095c90b1b7b40697912d2d5e4
author Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Thu Dec 01 19:07:57 2022 +0100
committer Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Fri Dec 02 19:17:24 2022 +0100
tree 5f8af2634164876ecbc126c2673434f7c0bd479c
parent d8fcaa29eb0afb2173e92b0206683f6677699e36

efi_loader: add an EFI binary to print boot hart ID

Provide an EFI binary that prints the boot hart ID as found in the
device-tree as /chosen/boot-hartid property and as provided by the
RISCV_EFI_BOOT_PROTOCOL.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

lib/efi_loader/Makefile

diff --git a/lib/efi_loader/Makefile b/lib/efi_loader/Makefile
index 8738757..13a35ea 100644
--- a/lib/efi_loader/Makefile
+++ b/lib/efi_loader/Makefile
@@ -12,6 +12,8 @@
 CFLAGS_efi_boottime.o += \
   -DFW_VERSION="0x$(VERSION)" \
   -DFW_PATCHLEVEL="0x$(PATCHLEVEL)"
+CFLAGS_boothart.o := $(CFLAGS_EFI) -Os -ffreestanding
+CFLAGS_REMOVE_boothart.o := $(CFLAGS_NON_EFI)
 CFLAGS_helloworld.o := $(CFLAGS_EFI) -Os -ffreestanding
 CFLAGS_REMOVE_helloworld.o := $(CFLAGS_NON_EFI)
 CFLAGS_dtbdump.o := $(CFLAGS_EFI) -Os -ffreestanding
@@ -19,6 +21,10 @@
 CFLAGS_initrddump.o := $(CFLAGS_EFI) -Os -ffreestanding
 CFLAGS_REMOVE_initrddump.o := $(CFLAGS_NON_EFI)
 
+ifdef CONFIG_RISCV
+always += boothart.efi
+endif
+
 ifneq ($(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),)
 always += helloworld.efi
 targets += helloworld.o