[oe-commits] [openembedded-core] 08/11: grub: Fix build with gcc7
git at git.openembedded.org
git at git.openembedded.org
Fri Dec 8 16:38:07 UTC 2017
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rpurdie pushed a commit to branch morty-next
in repository openembedded-core.
commit 74da4a06619558b34752d3588fd965a7994106e3
Author: Khem Raj <raj.khem at gmail.com>
AuthorDate: Fri Apr 21 14:09:47 2017 -0700
grub: Fix build with gcc7
backport patches from upsteam and adapt them to 2.0 codebase
(From OE-Core rev: 347976bf08158d1aa46dfea6f0f9d6dcc0d97395)
Signed-off-by: Khem Raj <raj.khem at gmail.com>
Signed-off-by: Armin Kuster <akuster808 at gmail.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
...-avoid-used-uninitialized-error-with-GCC7.patch | 36 +++
...-ppc-fix-switch-fallthrough-cases-with-GC.patch | 248 +++++++++++++++++++++
...0003-Add-gnulib-fix-gcc7-fallthrough.diff.patch | 38 ++++
...aining-cases-of-gcc-7-fallthrough-warning.patch | 175 +++++++++++++++
meta/recipes-bsp/grub/grub2.inc | 4 +
5 files changed, 501 insertions(+)
diff --git a/meta/recipes-bsp/grub/files/0001-btrfs-avoid-used-uninitialized-error-with-GCC7.patch b/meta/recipes-bsp/grub/files/0001-btrfs-avoid-used-uninitialized-error-with-GCC7.patch
new file mode 100644
index 0000000..217a775
--- /dev/null
+++ b/meta/recipes-bsp/grub/files/0001-btrfs-avoid-used-uninitialized-error-with-GCC7.patch
@@ -0,0 +1,36 @@
+From 6cef7f6079550af3bf91dbff824398eaef08c3c5 Mon Sep 17 00:00:00 2001
+From: Andrei Borzenkov <arvidjaar at gmail.com>
+Date: Tue, 4 Apr 2017 19:22:32 +0300
+Subject: [PATCH 1/4] btrfs: avoid "used uninitialized" error with GCC7
+
+sblock was local and so considered new variable on every loop
+iteration.
+
+Closes: 50597
+---
+Upstream-Status: Backport
+Signed-off-by: Khem Raj <raj.khem at gmail.com>
+
+ grub-core/fs/btrfs.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/grub-core/fs/btrfs.c b/grub-core/fs/btrfs.c
+index 9cffa91..4849c1c 100644
+--- a/grub-core/fs/btrfs.c
++++ b/grub-core/fs/btrfs.c
+@@ -227,11 +227,11 @@ grub_btrfs_read_logical (struct grub_btrfs_data *data,
+ static grub_err_t
+ read_sblock (grub_disk_t disk, struct grub_btrfs_superblock *sb)
+ {
++ struct grub_btrfs_superblock sblock;
+ unsigned i;
+ grub_err_t err = GRUB_ERR_NONE;
+ for (i = 0; i < ARRAY_SIZE (superblock_sectors); i++)
+ {
+- struct grub_btrfs_superblock sblock;
+ /* Don't try additional superblocks beyond device size. */
+ if (i && (grub_le_to_cpu64 (sblock.this_device.size)
+ >> GRUB_DISK_SECTOR_BITS) <= superblock_sectors[i])
+--
+1.9.1
+
diff --git a/meta/recipes-bsp/grub/files/0002-i386-x86_64-ppc-fix-switch-fallthrough-cases-with-GC.patch b/meta/recipes-bsp/grub/files/0002-i386-x86_64-ppc-fix-switch-fallthrough-cases-with-GC.patch
new file mode 100644
index 0000000..94f048c
--- /dev/null
+++ b/meta/recipes-bsp/grub/files/0002-i386-x86_64-ppc-fix-switch-fallthrough-cases-with-GC.patch
@@ -0,0 +1,248 @@
+From 4bd4a88725604471fdbd86316c91967a7f4dba5a Mon Sep 17 00:00:00 2001
+From: Andrei Borzenkov <arvidjaar at gmail.com>
+Date: Tue, 4 Apr 2017 19:23:55 +0300
+Subject: [PATCH 2/4] i386, x86_64, ppc: fix switch fallthrough cases with GCC7
+
+In util/getroot and efidisk slightly modify exitsing comment to mostly
+retain it but still make GCC7 compliant with respect to fall through
+annotation.
+
+In grub-core/lib/xzembed/xz_dec_lzma2.c it adds same comments as
+upstream.
+
+In grub-core/tests/setjmp_tets.c declare functions as "noreturn" to
+suppress GCC7 warning.
+
+In grub-core/gnulib/regexec.c use new __attribute__, because existing
+annotation is not recognized by GCC7 parser (which requires that comment
+immediately precedes case statement).
+
+Otherwise add FALLTHROUGH comment.
+
+Closes: 50598
+---
+Upstream-Status: Backport
+Signed-off-by: Khem Raj <raj.khem at gmail.com>
+
+ grub-core/commands/hdparm.c | 1 +
+ grub-core/commands/nativedisk.c | 1 +
+ grub-core/disk/cryptodisk.c | 1 +
+ grub-core/disk/efi/efidisk.c | 2 +-
+ grub-core/efiemu/mm.c | 1 +
+ grub-core/gdb/cstub.c | 1 +
+ grub-core/gnulib/regexec.c | 3 +++
+ grub-core/lib/xzembed/xz_dec_lzma2.c | 4 ++++
+ grub-core/lib/xzembed/xz_dec_stream.c | 6 ++++++
+ grub-core/loader/i386/linux.c | 3 +++
+ grub-core/tests/setjmp_test.c | 5 ++++-
+ grub-core/video/ieee1275.c | 1 +
+ grub-core/video/readers/jpeg.c | 1 +
+ util/getroot.c | 2 +-
+ util/grub-install.c | 1 +
+ util/grub-mkimagexx.c | 1 +
+ util/grub-mount.c | 1 +
+ 17 files changed, 32 insertions(+), 3 deletions(-)
+
+Index: grub-2.00/grub-core/commands/hdparm.c
+===================================================================
+--- grub-2.00.orig/grub-core/commands/hdparm.c
++++ grub-2.00/grub-core/commands/hdparm.c
+@@ -328,6 +328,7 @@ grub_cmd_hdparm (grub_extcmd_context_t c
+ ata = ((struct grub_scsi *) disk->data)->data;
+ break;
+ }
++ /* FALLTHROUGH */
+ default:
+ return grub_error (GRUB_ERR_IO, "not an ATA device");
+ }
+Index: grub-2.00/grub-core/disk/cryptodisk.c
+===================================================================
+--- grub-2.00.orig/grub-core/disk/cryptodisk.c
++++ grub-2.00/grub-core/disk/cryptodisk.c
+@@ -268,6 +268,7 @@ grub_cryptodisk_endecrypt (struct grub_c
+ break;
+ case GRUB_CRYPTODISK_MODE_IV_PLAIN64:
+ iv[1] = grub_cpu_to_le32 (sector >> 32);
++ /* FALLTHROUGH */
+ case GRUB_CRYPTODISK_MODE_IV_PLAIN:
+ iv[0] = grub_cpu_to_le32 (sector & 0xFFFFFFFF);
+ break;
+Index: grub-2.00/grub-core/disk/efi/efidisk.c
+===================================================================
+--- grub-2.00.orig/grub-core/disk/efi/efidisk.c
++++ grub-2.00/grub-core/disk/efi/efidisk.c
+@@ -262,7 +262,7 @@ name_devices (struct grub_efidisk_data *
+ {
+ case GRUB_EFI_HARD_DRIVE_DEVICE_PATH_SUBTYPE:
+ is_hard_drive = 1;
+- /* Fall through by intention. */
++ /* Intentionally fall through. */
+ case GRUB_EFI_CDROM_DEVICE_PATH_SUBTYPE:
+ {
+ struct grub_efidisk_data *parent, *parent2;
+Index: grub-2.00/grub-core/efiemu/mm.c
+===================================================================
+--- grub-2.00.orig/grub-core/efiemu/mm.c
++++ grub-2.00/grub-core/efiemu/mm.c
+@@ -410,6 +410,7 @@ grub_efiemu_mmap_fill (void)
+ default:
+ grub_dprintf ("efiemu",
+ "Unknown memory type %d. Assuming unusable\n", type);
++ /* FALLTHROUGH */
+ case GRUB_MEMORY_RESERVED:
+ return grub_efiemu_add_to_mmap (addr, size,
+ GRUB_EFI_UNUSABLE_MEMORY);
+Index: grub-2.00/grub-core/gdb/cstub.c
+===================================================================
+--- grub-2.00.orig/grub-core/gdb/cstub.c
++++ grub-2.00/grub-core/gdb/cstub.c
+@@ -336,6 +336,7 @@ grub_gdb_trap (int trap_no)
+ /* sAA..AA: Step one instruction from AA..AA(optional). */
+ case 's':
+ stepping = 1;
++ /* FALLTHROUGH */
+
+ /* cAA..AA: Continue at address AA..AA(optional). */
+ case 'c':
+Index: grub-2.00/grub-core/gnulib/regexec.c
+===================================================================
+--- grub-2.00.orig/grub-core/gnulib/regexec.c
++++ grub-2.00/grub-core/gnulib/regexec.c
+@@ -4104,6 +4104,9 @@ check_node_accept (const re_match_contex
+ case OP_UTF8_PERIOD:
+ if (ch >= ASCII_CHARS)
+ return false;
++#if defined __GNUC__ && __GNUC__ >= 7
++ __attribute__ ((fallthrough));
++#endif
+ /* FALLTHROUGH */
+ #endif
+ case OP_PERIOD:
+Index: grub-2.00/grub-core/lib/xzembed/xz_dec_lzma2.c
+===================================================================
+--- grub-2.00.orig/grub-core/lib/xzembed/xz_dec_lzma2.c
++++ grub-2.00/grub-core/lib/xzembed/xz_dec_lzma2.c
+@@ -1042,6 +1042,8 @@ enum xz_ret xz_dec_lzma2_run(
+
+ s->lzma2.sequence = SEQ_LZMA_PREPARE;
+
++ /* Fall through */
++
+ case SEQ_LZMA_PREPARE:
+ if (s->lzma2.compressed < RC_INIT_BYTES)
+ return XZ_DATA_ERROR;
+@@ -1052,6 +1054,8 @@ enum xz_ret xz_dec_lzma2_run(
+ s->lzma2.compressed -= RC_INIT_BYTES;
+ s->lzma2.sequence = SEQ_LZMA_RUN;
+
++ /* Fall through */
++
+ case SEQ_LZMA_RUN:
+ /*
+ * Set dictionary limit to indicate how much we want
+Index: grub-2.00/grub-core/lib/xzembed/xz_dec_stream.c
+===================================================================
+--- grub-2.00.orig/grub-core/lib/xzembed/xz_dec_stream.c
++++ grub-2.00/grub-core/lib/xzembed/xz_dec_stream.c
+@@ -749,6 +749,7 @@ static enum xz_ret dec_main(struct xz_de
+
+ s->sequence = SEQ_BLOCK_START;
+
++ /* FALLTHROUGH */
+ case SEQ_BLOCK_START:
+ /* We need one byte of input to continue. */
+ if (b->in_pos == b->in_size)
+@@ -772,6 +773,7 @@ static enum xz_ret dec_main(struct xz_de
+ s->temp.pos = 0;
+ s->sequence = SEQ_BLOCK_HEADER;
+
++ /* FALLTHROUGH */
+ case SEQ_BLOCK_HEADER:
+ if (!fill_temp(s, b))
+ return XZ_OK;
+@@ -782,6 +784,7 @@ static enum xz_ret dec_main(struct xz_de
+
+ s->sequence = SEQ_BLOCK_UNCOMPRESS;
+
++ /* FALLTHROUGH */
+ case SEQ_BLOCK_UNCOMPRESS:
+ ret = dec_block(s, b);
+ if (ret != XZ_STREAM_END)
+@@ -809,6 +812,7 @@ static enum xz_ret dec_main(struct xz_de
+
+ s->sequence = SEQ_BLOCK_CHECK;
+
++ /* FALLTHROUGH */
+ case SEQ_BLOCK_CHECK:
+ ret = hash_validate(s, b, 0);
+ if (ret != XZ_STREAM_END)
+@@ -863,6 +867,7 @@ static enum xz_ret dec_main(struct xz_de
+
+ s->sequence = SEQ_INDEX_CRC32;
+
++ /* FALLTHROUGH */
+ case SEQ_INDEX_CRC32:
+ ret = hash_validate(s, b, 1);
+ if (ret != XZ_STREAM_END)
+@@ -871,6 +876,7 @@ static enum xz_ret dec_main(struct xz_de
+ s->temp.size = STREAM_HEADER_SIZE;
+ s->sequence = SEQ_STREAM_FOOTER;
+
++ /* FALLTHROUGH */
+ case SEQ_STREAM_FOOTER:
+ if (!fill_temp(s, b))
+ return XZ_OK;
+Index: grub-2.00/grub-core/loader/i386/linux.c
+===================================================================
+--- grub-2.00.orig/grub-core/loader/i386/linux.c
++++ grub-2.00/grub-core/loader/i386/linux.c
+@@ -977,10 +977,13 @@ grub_cmd_linux (grub_command_t cmd __att
+ {
+ case 'g':
+ shift += 10;
++ /* FALLTHROUGH */
+ case 'm':
+ shift += 10;
++ /* FALLTHROUGH */
+ case 'k':
+ shift += 10;
++ /* FALLTHROUGH */
+ default:
+ break;
+ }
+Index: grub-2.00/grub-core/video/readers/jpeg.c
+===================================================================
+--- grub-2.00.orig/grub-core/video/readers/jpeg.c
++++ grub-2.00/grub-core/video/readers/jpeg.c
+@@ -701,6 +701,7 @@ grub_jpeg_decode_jpeg (struct grub_jpeg_
+ case JPEG_MARKER_SOS: /* Start Of Scan. */
+ if (grub_jpeg_decode_sos (data))
+ break;
++ /* FALLTHROUGH */
+ case JPEG_MARKER_RST0: /* Restart. */
+ case JPEG_MARKER_RST1:
+ case JPEG_MARKER_RST2:
+Index: grub-2.00/util/grub-mkimagexx.c
+===================================================================
+--- grub-2.00.orig/util/grub-mkimagexx.c
++++ grub-2.00/util/grub-mkimagexx.c
+@@ -485,6 +485,7 @@ SUFFIX (relocate_addresses) (Elf_Ehdr *e
+ + sym->st_value
+ - image_target->vaddr_offset));
+ }
++ /* FALLTHROUGH */
+ case R_IA64_LTOFF_FPTR22:
+ *gpptr = grub_host_to_target64 (addend + sym_addr);
+ add_value_to_slot_21 ((grub_addr_t) target,
+Index: grub-2.00/util/grub-mount.c
+===================================================================
+--- grub-2.00.orig/util/grub-mount.c
++++ grub-2.00/util/grub-mount.c
+@@ -487,6 +487,7 @@ argp_parser (int key, char *arg, struct
+ if (arg[0] != '-')
+ break;
+
++ /* FALLTHROUGH */
+ default:
+ if (!arg)
+ return 0;
diff --git a/meta/recipes-bsp/grub/files/0003-Add-gnulib-fix-gcc7-fallthrough.diff.patch b/meta/recipes-bsp/grub/files/0003-Add-gnulib-fix-gcc7-fallthrough.diff.patch
new file mode 100644
index 0000000..fcfbf5c
--- /dev/null
+++ b/meta/recipes-bsp/grub/files/0003-Add-gnulib-fix-gcc7-fallthrough.diff.patch
@@ -0,0 +1,38 @@
+From 007f0b407f72314ec832d77e15b83ea40b160037 Mon Sep 17 00:00:00 2001
+From: Andrei Borzenkov <arvidjaar at gmail.com>
+Date: Tue, 4 Apr 2017 19:37:47 +0300
+Subject: [PATCH 3/4] Add gnulib-fix-gcc7-fallthrough.diff
+
+As long as the code is not upstream, add it as explicit patch for the
+case of gnulib refresh.
+---
+Upstream-Status: Backport
+Signed-off-by: Khem Raj <raj.khem at gmail.com>
+
+ grub-core/gnulib-fix-gcc7-fallthrough.diff | 14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+ create mode 100644 grub-core/gnulib-fix-gcc7-fallthrough.diff
+
+diff --git a/grub-core/gnulib-fix-gcc7-fallthrough.diff b/grub-core/gnulib-fix-gcc7-fallthrough.diff
+new file mode 100644
+index 0000000..9802e2d
+--- /dev/null
++++ b/grub-core/gnulib-fix-gcc7-fallthrough.diff
+@@ -0,0 +1,14 @@
++diff --git grub-core/gnulib/regexec.c grub-core/gnulib/regexec.c
++index f632cd4..a7776f0 100644
++--- grub-core/gnulib/regexec.c
+++++ grub-core/gnulib/regexec.c
++@@ -4099,6 +4099,9 @@ check_node_accept (const re_match_context_t *mctx, const re_token_t *node,
++ case OP_UTF8_PERIOD:
++ if (ch >= ASCII_CHARS)
++ return false;
+++#if defined __GNUC__ && __GNUC__ >= 7
+++ __attribute__ ((fallthrough));
+++#endif
++ /* FALLTHROUGH */
++ #endif
++ case OP_PERIOD:
+--
+1.9.1
+
diff --git a/meta/recipes-bsp/grub/files/0004-Fix-remaining-cases-of-gcc-7-fallthrough-warning.patch b/meta/recipes-bsp/grub/files/0004-Fix-remaining-cases-of-gcc-7-fallthrough-warning.patch
new file mode 100644
index 0000000..78a70a2
--- /dev/null
+++ b/meta/recipes-bsp/grub/files/0004-Fix-remaining-cases-of-gcc-7-fallthrough-warning.patch
@@ -0,0 +1,175 @@
+From d454509bb866d4eaefbb558d94dd0ef0228830eb Mon Sep 17 00:00:00 2001
+From: Vladimir Serbinenko <phcoder at gmail.com>
+Date: Wed, 12 Apr 2017 01:42:38 +0000
+Subject: [PATCH 4/4] Fix remaining cases of gcc 7 fallthrough warning.
+
+They are all intended, so just add the relevant comment.
+---
+Upstream-Status: Backport
+Signed-off-by: Khem Raj <raj.khem at gmail.com>
+
+ grub-core/kern/ia64/dl.c | 1 +
+ grub-core/kern/mips/dl.c | 1 +
+ grub-core/kern/sparc64/dl.c | 1 +
+ grub-core/loader/i386/coreboot/chainloader.c | 1 +
+ 4 files changed, 4 insertions(+)
+
+Index: grub-2.00/grub-core/kern/ia64/dl.c
+===================================================================
+--- grub-2.00.orig/grub-core/kern/ia64/dl.c
++++ grub-2.00/grub-core/kern/ia64/dl.c
+@@ -257,6 +257,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t
+ case R_IA64_LTOFF22:
+ if (ELF_ST_TYPE (sym->st_info) == STT_FUNC)
+ value = *(grub_uint64_t *) sym->st_value + rel->r_addend;
++ /* Fallthrough. */
+ case R_IA64_LTOFF_FPTR22:
+ *gpptr = value;
+ add_value_to_slot_21 (addr, (grub_addr_t) gpptr - (grub_addr_t) gp);
+Index: grub-2.00/grub-core/disk/diskfilter.c
+===================================================================
+--- grub-2.00.orig/grub-core/disk/diskfilter.c
++++ grub-2.00/grub-core/disk/diskfilter.c
+@@ -71,10 +71,12 @@ is_lv_readable (struct grub_diskfilter_l
+ case GRUB_DISKFILTER_RAID6:
+ if (!easily)
+ need--;
++ /* Fallthrough. */
+ case GRUB_DISKFILTER_RAID4:
+ case GRUB_DISKFILTER_RAID5:
+ if (!easily)
+ need--;
++ /* Fallthrough. */
+ case GRUB_DISKFILTER_STRIPED:
+ break;
+
+@@ -507,6 +509,7 @@ read_segment (struct grub_diskfilter_seg
+ if (seg->node_count == 1)
+ return grub_diskfilter_read_node (&seg->nodes[0],
+ sector, size, buf);
++ /* Fallthrough. */
+ case GRUB_DISKFILTER_MIRROR:
+ case GRUB_DISKFILTER_RAID10:
+ {
+Index: grub-2.00/grub-core/font/font.c
+===================================================================
+--- grub-2.00.orig/grub-core/font/font.c
++++ grub-2.00/grub-core/font/font.c
+@@ -1297,6 +1297,7 @@ blit_comb (const struct grub_unicode_gly
+ - grub_font_get_xheight (combining_glyphs[i]->font) - 1;
+ if (space <= 0)
+ space = 1 + (grub_font_get_xheight (main_glyph->font)) / 8;
++ /* Fallthrough. */
+
+ case GRUB_UNICODE_STACK_ATTACHED_ABOVE:
+ do_blit (combining_glyphs[i], targetx,
+@@ -1338,6 +1339,7 @@ blit_comb (const struct grub_unicode_gly
+ + combining_glyphs[i]->height);
+ if (space <= 0)
+ space = 1 + (grub_font_get_xheight (main_glyph->font)) / 8;
++ /* Fallthrough. */
+
+ case GRUB_UNICODE_STACK_ATTACHED_BELOW:
+ do_blit (combining_glyphs[i], targetx, -(bounds.y - space));
+Index: grub-2.00/grub-core/fs/udf.c
+===================================================================
+--- grub-2.00.orig/grub-core/fs/udf.c
++++ grub-2.00/grub-core/fs/udf.c
+@@ -970,6 +970,7 @@ grub_udf_read_symlink (grub_fshelp_node_
+ case 1:
+ if (ptr[1])
+ goto fail;
++ break;
+ case 2:
+ /* in 4 bytes. out: 1 byte. */
+ optr = out;
+Index: grub-2.00/grub-core/lib/legacy_parse.c
+===================================================================
+--- grub-2.00.orig/grub-core/lib/legacy_parse.c
++++ grub-2.00/grub-core/lib/legacy_parse.c
+@@ -626,6 +626,7 @@ grub_legacy_parse (const char *buf, char
+ {
+ case TYPE_FILE_NO_CONSUME:
+ hold_arg = 1;
++ /* Fallthrough. */
+ case TYPE_PARTITION:
+ case TYPE_FILE:
+ args[i] = adjust_file (curarg, curarglen);
+Index: grub-2.00/grub-core/lib/libgcrypt-grub/cipher/rijndael.c
+===================================================================
+--- grub-2.00.orig/grub-core/lib/libgcrypt-grub/cipher/rijndael.c
++++ grub-2.00/grub-core/lib/libgcrypt-grub/cipher/rijndael.c
+@@ -96,7 +96,8 @@ do_setkey (RIJNDAEL_context *ctx, const
+ static int initialized = 0;
+ static const char *selftest_failed=0;
+ int ROUNDS;
+- int i,j, r, t, rconpointer = 0;
++ unsigned int i, t, rconpointer = 0;
++ int j, r;
+ int KC;
+ union
+ {
+Index: grub-2.00/grub-core/mmap/efi/mmap.c
+===================================================================
+--- grub-2.00.orig/grub-core/mmap/efi/mmap.c
++++ grub-2.00/grub-core/mmap/efi/mmap.c
+@@ -72,6 +72,7 @@ grub_efi_mmap_iterate (grub_memory_hook_
+ GRUB_MEMORY_AVAILABLE);
+ break;
+ }
++ /* Fallthrough. */
+ case GRUB_EFI_RUNTIME_SERVICES_CODE:
+ hook (desc->physical_start, desc->num_pages * 4096,
+ GRUB_MEMORY_CODE);
+@@ -86,6 +87,7 @@ grub_efi_mmap_iterate (grub_memory_hook_
+ grub_printf ("Unknown memory type %d, considering reserved\n",
+ desc->type);
+
++ /* Fallthrough. */
+ case GRUB_EFI_BOOT_SERVICES_DATA:
+ if (!avoid_efi_boot_services)
+ {
+@@ -93,6 +95,7 @@ grub_efi_mmap_iterate (grub_memory_hook_
+ GRUB_MEMORY_AVAILABLE);
+ break;
+ }
++ /* Fallthrough. */
+ case GRUB_EFI_RESERVED_MEMORY_TYPE:
+ case GRUB_EFI_RUNTIME_SERVICES_DATA:
+ case GRUB_EFI_MEMORY_MAPPED_IO:
+Index: grub-2.00/grub-core/normal/charset.c
+===================================================================
+--- grub-2.00.orig/grub-core/normal/charset.c
++++ grub-2.00/grub-core/normal/charset.c
+@@ -858,6 +858,7 @@ grub_bidi_line_logical_to_visual (const
+ case GRUB_BIDI_TYPE_R:
+ case GRUB_BIDI_TYPE_AL:
+ bidi_needed = 1;
++ /* Fallthrough. */
+ default:
+ {
+ if (join_state == JOIN_FORCE)
+Index: grub-2.00/grub-core/video/bochs.c
+===================================================================
+--- grub-2.00.orig/grub-core/video/bochs.c
++++ grub-2.00/grub-core/video/bochs.c
+@@ -351,6 +351,7 @@ grub_video_bochs_setup (unsigned int wid
+ case 32:
+ framebuffer.mode_info.reserved_mask_size = 8;
+ framebuffer.mode_info.reserved_field_pos = 24;
++ /* Fallthrough. */
+
+ case 24:
+ framebuffer.mode_info.red_mask_size = 8;
+Index: grub-2.00/grub-core/video/cirrus.c
+===================================================================
+--- grub-2.00.orig/grub-core/video/cirrus.c
++++ grub-2.00/grub-core/video/cirrus.c
+@@ -431,6 +431,7 @@ grub_video_cirrus_setup (unsigned int wi
+ case 32:
+ framebuffer.mode_info.reserved_mask_size = 8;
+ framebuffer.mode_info.reserved_field_pos = 24;
++ /* Fallthrough. */
+
+ case 24:
+ framebuffer.mode_info.red_mask_size = 8;
diff --git a/meta/recipes-bsp/grub/grub2.inc b/meta/recipes-bsp/grub/grub2.inc
index ef893b3..a93c99e 100644
--- a/meta/recipes-bsp/grub/grub2.inc
+++ b/meta/recipes-bsp/grub/grub2.inc
@@ -36,6 +36,10 @@ SRC_URI = "ftp://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \
file://0001-grub-core-kern-efi-mm.c-grub_efi_finish_boot_service.patch \
file://0002-grub-core-kern-efi-mm.c-grub_efi_get_memory_map-Neve.patch \
file://0001-build-Use-AC_HEADER_MAJOR-to-find-device-macros.patch \
+ file://0001-btrfs-avoid-used-uninitialized-error-with-GCC7.patch \
+ file://0002-i386-x86_64-ppc-fix-switch-fallthrough-cases-with-GC.patch \
+ file://0003-Add-gnulib-fix-gcc7-fallthrough.diff.patch \
+ file://0004-Fix-remaining-cases-of-gcc-7-fallthrough-warning.patch \
"
DEPENDS = "flex-native bison-native autogen-native"
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