diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2009-11-11 15:52:37 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-11-11 15:52:37 -0800 |
| commit | e79ba125c9c8eb3816d164d86b5264b21868f7af (patch) | |
| tree | fe0ebb757b858975f193424815a93f450e0a0c68 /dos | |
| parent | 32167a5ccce13f0931b015011e44420fb838f7dd (diff) | |
| download | syslinux-e79ba125c9c8eb3816d164d86b5264b21868f7af.tar.gz | |
dos: DOS version 7.10 is 0x070a, not 0x0710...
Fix DOS version 7.10 (first FAT32-capable version) check.
Perhaps we should just call the FAT32 calls blindly and fall back to
the old calls if they fail?
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'dos')
| -rw-r--r-- | dos/syslinux.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/dos/syslinux.c b/dos/syslinux.c index 1cdf418b..d054c4ce 100644 --- a/dos/syslinux.c +++ b/dos/syslinux.c @@ -171,7 +171,7 @@ void write_device(int drive, const void *buf, size_t nsecs, unsigned int sector) dio.bufoffs = (uintptr_t) buf; dio.bufseg = data_segment(); - if (dos_version >= 0x0710) { + if (dos_version >= 0x070a) { asm volatile("int $0x21 ; setc %0" : "=bcdm" (err), "=a" (errnum) : "a" (0x7305), "b" (&dio), "c" (-1), "d" (drive), @@ -204,7 +204,7 @@ void read_device(int drive, const void *buf, size_t nsecs, unsigned int sector) dio.bufoffs = (uintptr_t) buf; dio.bufseg = data_segment(); - if (dos_version >= 0x0710) { + if (dos_version >= 0x070a) { asm volatile("int $0x21 ; setc %0" : "=bcdm" (err), "=a" (errnum) : "a" (0x7305), "b" (&dio), "c" (-1), "d" (drive), @@ -411,7 +411,7 @@ static int do_lock(uint8_t level) uint8_t err; #if 0 /* DOS 7.10 = Win95 OSR2 = first version with FAT32 */ - uint16_t lock_call = (dos_version >= 0x0710) ? 0x484A : 0x084A; + uint16_t lock_call = (dos_version >= 0x070a) ? 0x484A : 0x084A; #else uint16_t lock_call = 0x084A; /* MSDN says this is OK for all filesystems */ #endif @@ -486,7 +486,7 @@ void unlock_device(int level) #if 0 /* DOS 7.10 = Win95 OSR2 = first version with FAT32 */ - unlock_call = (dos_version >= 0x0710) ? 0x486A : 0x086A; + unlock_call = (dos_version >= 0x070a) ? 0x486A : 0x086A; #else unlock_call = 0x086A; /* MSDN says this is OK for all filesystems */ #endif |