Thread (20 messages) 20 messages, 5 authors, 2022-09-20

Re: [PATCH v5 7/8] riscv: efi: enable generic EFI compressed boot

From: <Conor.Dooley@microchip.com>
Date: 2022-09-16 07:10:52
Also in: linux-efi, lkml

On 10/09/2022 09:11, Ard Biesheuvel wrote:
EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe

Wire up the generic EFI zboot support for RISC-V.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
As promised:
Tested-by: Conor Dooley <conor.dooley@microchip.com>
quoted hunk ↗ jump to hunk
---
  arch/riscv/Makefile        | 6 +++++-
  arch/riscv/boot/.gitignore | 1 +
  arch/riscv/boot/Makefile   | 6 ++++++
  3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 3fa8ef336822..d63295e21373 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -136,10 +136,14 @@ ifneq ($(CONFIG_XIP_KERNEL),y)
  ifeq ($(CONFIG_RISCV_M_MODE)$(CONFIG_SOC_CANAAN),yy)
  KBUILD_IMAGE := $(boot)/loader.bin
  else
+ifeq ($(CONFIG_EFI_ZBOOT),)
  KBUILD_IMAGE := $(boot)/Image.gz
+else
+KBUILD_IMAGE := $(boot)/vmlinuz.efi
+endif
  endif
  endif
-BOOT_TARGETS := Image Image.gz loader loader.bin xipImage
+BOOT_TARGETS := Image Image.gz loader loader.bin xipImage vmlinuz.efi

  all:   $(notdir $(KBUILD_IMAGE))
diff --git a/arch/riscv/boot/.gitignore b/arch/riscv/boot/.gitignore
index 0cea9f7fa9d5..e1bc507e8cb2 100644
--- a/arch/riscv/boot/.gitignore
+++ b/arch/riscv/boot/.gitignore
@@ -4,4 +4,5 @@ Image.*
  loader
  loader.lds
  loader.bin
+vmlinuz*
  xipImage
diff --git a/arch/riscv/boot/Makefile b/arch/riscv/boot/Makefile
index becd0621071c..d1a49adcb1d7 100644
--- a/arch/riscv/boot/Makefile
+++ b/arch/riscv/boot/Makefile
@@ -58,3 +58,9 @@ $(obj)/Image.lzo: $(obj)/Image FORCE

  $(obj)/loader.bin: $(obj)/loader FORCE
         $(call if_changed,objcopy)
+
+EFI_ZBOOT_PAYLOAD      := Image
+EFI_ZBOOT_BFD_TARGET   := elf$(BITS)-littleriscv
+EFI_ZBOOT_MACH_TYPE    := RISCV$(BITS)
+
+include $(srctree)/drivers/firmware/efi/libstub/Makefile.zboot
--
2.35.1
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