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Add BLS devicetree support and a couple of RISC-V fixes
- A couple of RISC-V fixes - Remove grub2-tools %%posttrans scriptlet that migrates to a BLS config - Add blscfg device tree support Resolves: rhbz#1751307 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
This commit is contained in:
Javier Martinez Canillas
parent
e1531466e1
commit
be6e591e0f
6 changed files with 257 additions and 8 deletions
40
0179-Fix-build-error-with-the-fdt-module-on-risc-v.patch
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40
0179-Fix-build-error-with-the-fdt-module-on-risc-v.patch
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@ -0,0 +1,40 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Tue, 27 Aug 2019 10:34:24 +0200
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Subject: [PATCH] Fix build error with the fdt module on risc-v
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The risc-v architecture also uses Device Trees, but the symbols in the
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fdt header aren't defined for this arch which lead to following error:
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BUILDSTDERR: ../../grub-core/loader/efi/fdt.c: In function 'grub_fdt_load':
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BUILDSTDERR: ../../grub-core/loader/efi/fdt.c:48:39: warning: implicit declaration of function 'grub_fdt_get_totalsize' [-Wimplicit-function-declaration]
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BUILDSTDERR: 48 | size = GRUB_EFI_BYTES_TO_PAGES (grub_fdt_get_totalsize (fdt));
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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include/grub/fdt.h | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/include/grub/fdt.h b/include/grub/fdt.h
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index 2041341fd68..3514aa4a5b6 100644
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--- a/include/grub/fdt.h
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+++ b/include/grub/fdt.h
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@@ -19,7 +19,8 @@
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#ifndef GRUB_FDT_HEADER
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#define GRUB_FDT_HEADER 1
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-#if !defined(GRUB_MACHINE_EMU) && (defined(__arm__) || defined(__aarch64__))
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+#if !defined(GRUB_MACHINE_EMU) && \
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+ (defined(__arm__) || defined(__aarch64__) || defined(__riscv))
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#include <grub/types.h>
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#include <grub/symbol.h>
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@@ -146,6 +147,7 @@ int EXPORT_FUNC(grub_fdt_set_prop) (void *fdt, unsigned int nodeoffset, const ch
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grub_fdt_set_prop ((fdt), (nodeoffset), "reg", reg_64, 16); \
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})
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-#endif /* defined(__arm__) || defined(__aarch64__) */
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+#endif /* !defined(GRUB_MACHINE_EMU) && \
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+ (defined(__arm__) || defined(__aarch64__) || defined(__riscv)) */
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#endif /* ! GRUB_FDT_HEADER */
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@ -0,0 +1,36 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andreas Schwab <schwab@suse.de>
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Date: Wed, 26 Jun 2019 16:50:03 +0200
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Subject: [PATCH] RISC-V: Fix computation of pc-relative relocation offset
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The offset calculation was missing the relocation addend.
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Signed-off-by: Andreas Schwab <schwab@suse.de>
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Tested-by: Chester Lin <clin@suse.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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util/grub-mkimagexx.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/util/grub-mkimagexx.c b/util/grub-mkimagexx.c
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index bc087c2b57f..d16ec63a16f 100644
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--- a/util/grub-mkimagexx.c
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+++ b/util/grub-mkimagexx.c
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@@ -1232,8 +1232,7 @@ SUFFIX (relocate_addrs) (Elf_Ehdr *e, struct section_metadata *smd,
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grub_uint32_t *t32 = (grub_uint32_t *) target;
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grub_uint16_t *t16 = (grub_uint16_t *) target;
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grub_uint8_t *t8 = (grub_uint8_t *) target;
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- grub_int64_t off = (long)sym_addr - target_section_addr - offset
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- - image_target->vaddr_offset;
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+ grub_int64_t off;
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/*
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* Instructions and instruction encoding are documented in the RISC-V
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@@ -1243,6 +1242,7 @@ SUFFIX (relocate_addrs) (Elf_Ehdr *e, struct section_metadata *smd,
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*/
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sym_addr += addend;
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+ off = sym_addr - target_section_addr - offset - image_target->vaddr_offset;
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switch (ELF_R_TYPE (info))
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{
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132
0181-blscfg-Add-support-for-the-devicetree-field.patch
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132
0181-blscfg-Add-support-for-the-devicetree-field.patch
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@ -0,0 +1,132 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Sun, 15 Sep 2019 09:37:45 +0200
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Subject: [PATCH] blscfg: Add support for the devicetree field
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The BootLoaderSpec mentions that a devicetree field can be used to pass a
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Device Tree (DT) to the kernel, for the platforms that use it to describe
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information about the hardware.
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Allow the blscfg module to parse this field and call the grub2 devicetree
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command in that case. If there is a devicetree grub2 environment variable
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defined, this will be used if the field is not defined in the BLS snippet.
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Resolves: rhbz#1751307
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/commands/blscfg.c | 60 ++++++++++++++++++++++++++++++++++++++++++---
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1 file changed, 57 insertions(+), 3 deletions(-)
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diff --git a/grub-core/commands/blscfg.c b/grub-core/commands/blscfg.c
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index 54458b14518..1ec89870483 100644
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--- a/grub-core/commands/blscfg.c
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+++ b/grub-core/commands/blscfg.c
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@@ -698,6 +698,8 @@ static void create_entry (struct bls_entry *entry)
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const char *early_initrd = NULL;
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char **early_initrds = NULL;
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char *initrd_prefix = NULL;
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+ char *devicetree = NULL;
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+ char *dt = NULL;
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char *id = entry->filename;
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char *dotconf = id;
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char *hotkey = NULL;
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@@ -709,6 +711,7 @@ static void create_entry (struct bls_entry *entry)
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char *src = NULL;
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int i, index;
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+ bool add_dt_prefix = false;
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grub_dprintf("blscfg", "%s got here\n", __func__);
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clinux = bls_get_val (entry, "linux", NULL);
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@@ -736,6 +739,14 @@ static void create_entry (struct bls_entry *entry)
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initrds = bls_make_list (entry, "initrd", NULL);
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+ devicetree = expand_val (bls_get_val (entry, "devicetree", NULL));
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+
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+ if (!devicetree)
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+ {
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+ devicetree = expand_val (grub_env_get("devicetree"));
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+ add_dt_prefix = true;
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+ }
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+
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hotkey = bls_get_val (entry, "grub_hotkey", NULL);
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users = expand_val (bls_get_val (entry, "grub_users", NULL));
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classes = bls_make_list (entry, "grub_class", NULL);
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@@ -801,7 +812,6 @@ static void create_entry (struct bls_entry *entry)
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goto finish;
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}
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-
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tmp = grub_stpcpy(initrd, "initrd");
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for (i = 0; early_initrds != NULL && early_initrds[i] != NULL; i++)
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{
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@@ -821,21 +831,65 @@ static void create_entry (struct bls_entry *entry)
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tmp = grub_stpcpy (tmp, "\n");
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}
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+ if (devicetree)
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+ {
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+ char *prefix = NULL;
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+ int dt_size;
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+
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+ if (add_dt_prefix)
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+ {
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+ prefix = grub_strrchr (clinux, '/');
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+ prefix = grub_strndup(clinux, prefix - clinux + 1);
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+ if (!prefix)
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+ {
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+ grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
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+ goto finish;
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+ }
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+ }
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+
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+ dt_size = sizeof("devicetree " GRUB_BOOT_DEVICE) + grub_strlen(devicetree) + 1;
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+
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+ if (add_dt_prefix)
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+ {
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+ dt_size += grub_strlen(prefix);
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+ }
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+
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+ dt = grub_malloc (dt_size);
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+ if (!dt)
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+ {
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+ grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("out of memory"));
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+ goto finish;
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+ }
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+ char *tmp = dt;
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+ tmp = grub_stpcpy (dt, "devicetree");
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+ tmp = grub_stpcpy (tmp, " " GRUB_BOOT_DEVICE);
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+ if (add_dt_prefix)
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+ tmp = grub_stpcpy (tmp, prefix);
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+ tmp = grub_stpcpy (tmp, devicetree);
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+ tmp = grub_stpcpy (tmp, "\n");
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+
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+ grub_free(prefix);
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+ }
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+
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+ grub_dprintf ("blscfg2", "devicetree %s for id:\"%s\"\n", dt, id);
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+
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src = grub_xasprintf ("load_video\n"
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"set gfxpayload=keep\n"
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"insmod gzio\n"
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"linux %s%s%s%s\n"
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- "%s",
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+ "%s%s",
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GRUB_BOOT_DEVICE, clinux, options ? " " : "", options ? options : "",
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- initrd ? initrd : "");
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+ initrd ? initrd : "", dt ? dt : "");
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grub_normal_add_menu_entry (argc, argv, classes, id, users, hotkey, NULL, src, 0, &index, entry);
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grub_dprintf ("blscfg", "Added entry %d id:\"%s\"\n", index, id);
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finish:
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+ grub_free (dt);
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grub_free (initrd);
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grub_free (initrd_prefix);
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grub_free (early_initrds);
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+ grub_free (devicetree);
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grub_free (initrds);
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grub_free (options);
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grub_free (classes);
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@ -0,0 +1,38 @@
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Sun, 15 Sep 2019 10:05:29 +0200
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Subject: [PATCH] Set a devicetree var in a BLS config if GRUB_DEFAULT_DTB is
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present
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The BootLoaderSpec mentions that a devicetree field can be used to pass a
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Device Tree (DT) to the kernel, for the platforms that use it to describe
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information about the hardware.
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The blscfg module supports parsing the field from the BLS snippets but it
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allows to set a DT for all the entries if a devicetree env var is defined.
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Make the grub2-mkconfig tool to set this variable if GRUB_DEFAULT_DTB was
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defined in the /etc/default/grub file.
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Resolves: rhbz#1751307
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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util/grub.d/10_linux.in | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in
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index 301594a0c9e..1520b7e47c1 100644
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--- a/util/grub.d/10_linux.in
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+++ b/util/grub.d/10_linux.in
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@@ -138,6 +138,10 @@ EOF
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if [ -n "${GRUB_EARLY_INITRD_LINUX_CUSTOM}" ]; then
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${grub_editenv} - set early_initrd="${GRUB_EARLY_INITRD_LINUX_CUSTOM}"
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fi
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+
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+ if [ -n "${GRUB_DEFAULT_DTB}" ]; then
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+ ${grub_editenv} - set devicetree="${GRUB_DEFAULT_DTB}"
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+ fi
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fi
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exit 0
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@ -176,3 +176,7 @@ Patch0175: 0175-Do-better-in-bootstrap.conf.patch
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Patch0176: 0176-Use-git-to-apply-gnulib-patches.patch
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Patch0177: 0177-autogen.sh-use-find-wholename-for-long-path-matches.patch
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Patch0178: 0178-bootstrap.conf-don-t-clobber-AM_CFLAGS-here.patch
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Patch0179: 0179-Fix-build-error-with-the-fdt-module-on-risc-v.patch
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Patch0180: 0180-RISC-V-Fix-computation-of-pc-relative-relocation-off.patch
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Patch0181: 0181-blscfg-Add-support-for-the-devicetree-field.patch
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Patch0182: 0182-Set-a-devicetree-var-in-a-BLS-config-if-GRUB_DEFAULT.patch
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15
grub2.spec
15
grub2.spec
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@ -9,7 +9,7 @@
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Name: grub2
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Epoch: 1
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Version: 2.04
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Release: 1%{?dist}
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Release: 2%{?dist}
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Summary: Bootloader with support for Linux, Multiboot and more
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License: GPLv3+
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URL: http://www.gnu.org/software/grub/
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@ -311,13 +311,6 @@ elif [ -f /etc/grub.d/01_users ] && \
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fi
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fi
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%posttrans tools
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if [ -f /etc/default/grub ]; then
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! grep -q '^GRUB_ENABLE_BLSCFG=.*' /etc/default/grub && \
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/sbin/grub2-switch-to-blscfg --backup-suffix=.rpmsave &>/dev/null || :
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fi
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%triggerun -- grub2 < 1:1.99-4
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# grub2 < 1.99-4 removed a number of essential files in postun. To fix upgrades
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# from the affected grub2 packages, we first back up the files in triggerun and
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@ -522,6 +515,12 @@ rm -r /boot/grub2.tmp/ || :
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%endif
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%changelog
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* Wed Sep 18 2019 Javier Martinez Canillas <javierm@redhat.com> - 2.04-2
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- A couple of RISC-V fixes
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- Remove grub2-tools %%posttrans scriptlet that migrates to a BLS config
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- Add blscfg device tree support
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Resolves: rhbz#1751307
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* Thu Aug 15 2019 Javier Martinez Canillas <javierm@redhat.com> - 2.04-1
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- Update to 2.04
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Resolves: rhbz#1727279
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