From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53416) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dXTKh-0000os-U7 for qemu-devel@nongnu.org; Tue, 18 Jul 2017 10:18:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dXTKg-0007ni-OC for qemu-devel@nongnu.org; Tue, 18 Jul 2017 10:18:39 -0400 From: Kevin Wolf Date: Tue, 18 Jul 2017 16:18:01 +0200 Message-Id: <1500387486-5469-17-git-send-email-kwolf@redhat.com> In-Reply-To: <1500387486-5469-1-git-send-email-kwolf@redhat.com> References: <1500387486-5469-1-git-send-email-kwolf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 16/21] vvfat: add a constant for bootsector name List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, qemu-devel@nongnu.org From: Herv=C3=A9 Poussineau Also add links to related compatibility problems. Signed-off-by: Herv=C3=A9 Poussineau Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Kevin Wolf --- block/vvfat.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/block/vvfat.c b/block/vvfat.c index eb266b5..36b4be9 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -71,6 +71,12 @@ void nonono(const char* file, int line, const char* ms= g) { =20 #endif =20 +/* bootsector OEM name. see related compatibility problems at: + * https://jdebp.eu/FGA/volume-boot-block-oem-name-field.html + * http://seasip.info/Misc/oemid.html + */ +#define BOOTSECTOR_OEM_NAME "MSWIN4.1" + #define DIR_DELETED 0xe5 #define DIR_KANJI DIR_DELETED #define DIR_KANJI_FAKE 0x05 @@ -1028,7 +1034,7 @@ static int init_directories(BDRVVVFATState* s, bootsector->jump[0]=3D0xeb; bootsector->jump[1]=3D0x3e; bootsector->jump[2]=3D0x90; - memcpy(bootsector->name, "MSWIN4.1", 8); + memcpy(bootsector->name, BOOTSECTOR_OEM_NAME, 8); bootsector->sector_size=3Dcpu_to_le16(0x200); bootsector->sectors_per_cluster=3Ds->sectors_per_cluster; bootsector->reserved_sectors=3Dcpu_to_le16(1); --=20 1.8.3.1