Add missing GRUB_PACKED attribute to struct grub_acpi_madt.
The solved gcc9 error like this.
[ 233s] ../../grub-core/commands/lsacpi.c: In function 'disp_acpi_xsdt_table':
[ 233s] ../../grub-core/commands/lsacpi.c:201:27: error: converting a packed
'struct grub_acpi_table_header' pointer (alignment 1) to a 'struct
grub_acpi_madt' pointer (alignment 4) may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[ 233s] 201 | disp_madt_table ((struct grub_acpi_madt *) t);
[ 233s] | ^~~~~~~~~~~~~~
[ 233s] In file included from ../../grub-core/commands/lsacpi.c:23:
[ 233s] ../../include/grub/acpi.h:50:8: note: defined here
[ 233s] 50 | struct grub_acpi_table_header
[ 233s] | ^~~~~~~~~~~~~~~~~~~~~~
[ 233s] ../../include/grub/acpi.h:90:8: note: defined here
[ 233s] 90 | struct grub_acpi_madt
[ 233s] | ^~~~~~~~~~~~~~
[ 233s] ../../grub-core/commands/lsacpi.c: In function 'disp_acpi_rsdt_table':
[ 233s] ../../grub-core/commands/lsacpi.c:225:27: error: converting a packed
'struct grub_acpi_table_header' pointer (alignment 1) to a 'struct
grub_acpi_madt' pointer (alignment 4) may result in an unaligned pointer value
[-Werror=address-of-packed-member]
[ 233s] 225 | disp_madt_table ((struct grub_acpi_madt *) t);
[ 233s] | ^~~~~~~~~~~~~~
[ 233s] In file included from ../../grub-core/commands/lsacpi.c:23:
[ 233s] ../../include/grub/acpi.h:50:8: note: defined here
[ 233s] 50 | struct grub_acpi_table_header
[ 233s] | ^~~~~~~~~~~~~~~~~~~~~~
[ 233s] ../../include/grub/acpi.h:90:8: note: defined here
[ 233s] 90 | struct grub_acpi_madt
[ 233s] | ^~~~~~~~~~~~~~
Signed-off-by: Michael Chang <mch...@suse.com>
---
include/grub/acpi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/grub/acpi.h b/include/grub/acpi.h
index 66148f684..84f49487d 100644
--- a/include/grub/acpi.h
+++ b/include/grub/acpi.h
@@ -93,7 +93,7 @@ struct grub_acpi_madt
grub_uint32_t lapic_addr;
grub_uint32_t flags;
struct grub_acpi_madt_entry_header entries[0];
-};
+} GRUB_PACKED;
enum
{
--
2.16.4
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