On Thu, Mar 25, 2021 at 12:48 PM Alistair Francis <alistai...@gmail.com> wrote: > > On Thu, Mar 25, 2021 at 12:15 AM Khem Raj <raj.k...@gmail.com> wrote: > > > > Signed-off-by: Khem Raj <raj.k...@gmail.com> > > Cc: Alistair Francis <alistair.fran...@wdc.com> > > I'm not sure if this is the right thing to do here. > > Have you tested this does GRUB boot with this check removed? >
I have not run it no, but inspected the generate PE file and they look ok. however, I think we should drop this patch and instead just disable grub on rv32 until such time when port is available. I have send a follow up patch for that. > From memory I don't think the original GRUB port would have been tested on > RV32. > > Alistair > > > --- > > ...sable-offset-overflow-check-for-rv32.patch | 45 +++++++++++++++++++ > > meta/recipes-bsp/grub/grub2.inc | 1 + > > 2 files changed, 46 insertions(+) > > create mode 100644 > > meta/recipes-bsp/grub/files/0001-Disable-offset-overflow-check-for-rv32.patch > > > > diff --git > > a/meta/recipes-bsp/grub/files/0001-Disable-offset-overflow-check-for-rv32.patch > > > > b/meta/recipes-bsp/grub/files/0001-Disable-offset-overflow-check-for-rv32.patch > > new file mode 100644 > > index 0000000000..6547bf2261 > > --- /dev/null > > +++ > > b/meta/recipes-bsp/grub/files/0001-Disable-offset-overflow-check-for-rv32.patch > > @@ -0,0 +1,45 @@ > > +From ce1cea0563011698e4a70c9a60e7da66b57ab1d6 Mon Sep 17 00:00:00 2001 > > +From: Khem Raj <raj.k...@gmail.com> > > +Date: Wed, 24 Mar 2021 20:55:56 -0700 > > +Subject: [PATCH] Disable offset overflow check for rv32 > > + > > +Fixes > > +/tmp/grub/grub-mkimage: error: target 17c6 not reachable from pc=936. > > + > > +Upstream-Status: Reported [https://savannah.gnu.org/bugs/index.php?60283] > > +Signed-off-by: Khem Raj <raj.k...@gmail.com> > > +--- > > + util/grub-mkimagexx.c | 6 ++++-- > > + 1 file changed, 4 insertions(+), 2 deletions(-) > > + > > +diff --git a/util/grub-mkimagexx.c b/util/grub-mkimagexx.c > > +index 00f49ccaa..6deb66226 100644 > > +--- a/util/grub-mkimagexx.c > > ++++ b/util/grub-mkimagexx.c > > +@@ -1297,9 +1297,10 @@ SUFFIX (relocate_addrs) (Elf_Ehdr *e, struct > > section_metadata *smd, > > + { > > + grub_uint32_t hi20, lo12; > > + > > ++#ifdef MKIMAGE_ELF64 > > + if (off != (grub_int32_t)off) > > + grub_util_error ("target %lx not reachable from > > pc=%lx", (long)sym_addr, (long)((char *)target - (char *)e)); > > +- > > ++#endif > > + hi20 = (off + 0x800) & 0xfffff000; > > + lo12 = (off - hi20) & 0xfff; > > + t32[0] = grub_host_to_target32 > > ((grub_target_to_host32 (t32[0]) & 0xfff) | hi20); > > +@@ -1336,9 +1337,10 @@ SUFFIX (relocate_addrs) (Elf_Ehdr *e, struct > > section_metadata *smd, > > + { > > + grub_int32_t hi20; > > + > > ++#ifdef MKIMAGE_ELF64 > > + if (off != (grub_int32_t)off) > > + grub_util_error ("target %lx not reachable from > > pc=%lx", (long)sym_addr, (long)((char *)target - (char *)e)); > > +- > > ++#endif > > + hi20 = (off + 0x800) & 0xfffff000; > > + *t32 = grub_host_to_target32 ((grub_target_to_host32 > > (*t32) & 0xfff) | hi20); > > + } > > +-- > > +2.31.0 > > + > > diff --git a/meta/recipes-bsp/grub/grub2.inc > > b/meta/recipes-bsp/grub/grub2.inc > > index bcff676c26..d8a556e06c 100644 > > --- a/meta/recipes-bsp/grub/grub2.inc > > +++ b/meta/recipes-bsp/grub/grub2.inc > > @@ -19,6 +19,7 @@ SRC_URI = > > "https://alpha.gnu.org/gnu/grub/grub-${REALPV}.tar.xz \ > > > > file://grub-module-explicitly-keeps-symbole-.module_license.patch \ > > file://0001-grub.d-10_linux.in-add-oe-s-kernel-name.patch \ > > file://determinism.patch \ > > + file://0001-Disable-offset-overflow-check-for-rv32.patch \ > > " > > > > SRC_URI[sha256sum] = > > "2c87f1f21e2ab50043e6cd9163c08f1b6c3a6171556bf23ff9ed65b074145484" > > -- > > 2.31.0 > > > > > > > >
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