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

From: Ard Biesheuvel
Date: Fri Sep 16 2022 - 03:16:22 EST


On Fri, 16 Sept 2022 at 09:09, <Conor.Dooley@xxxxxxxxxxxxx> wrote:
>
> On 10/09/2022 09:11, Ard Biesheuvel wrote:
> >
> > Wire up the generic EFI zboot support for RISC-V.
> >
> > Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
>
> As promised:
> Tested-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
>

Thanks a lot!

> > ---
> > 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
> >
>