From 63d261cb0d87bef033c447654279c62f586af1da Mon Sep 17 00:00:00 2001 From: =?utf8?q?Herv=C3=A9=20Poussineau?= Date: Sat, 15 Jul 2017 15:28:39 +0200 Subject: [PATCH] vvfat: add a constant for bootsector name MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Also add links to related compatibility problems. Signed-off-by: Hervé Poussineau Reviewed-by: Philippe Mathieu-Daudé 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 eb266b5aa68..36b4be9db23 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -71,6 +71,12 @@ void nonono(const char* file, int line, const char* msg) { #endif +/* 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]=0xeb; bootsector->jump[1]=0x3e; bootsector->jump[2]=0x90; - memcpy(bootsector->name, "MSWIN4.1", 8); + memcpy(bootsector->name, BOOTSECTOR_OEM_NAME, 8); bootsector->sector_size=cpu_to_le16(0x200); bootsector->sectors_per_cluster=s->sectors_per_cluster; bootsector->reserved_sectors=cpu_to_le16(1); -- 2.39.2