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| author | H. Peter Anvin <hpa@zytor.com> | 2010-06-30 09:53:46 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-07-01 07:13:09 -0700 |
| commit | d4516833b61c52809048edcdfc25d5e610270b64 (patch) | |
| tree | 0253d0ed374569807c46769c6a8541f205f25010 /core | |
| parent | 42b6e55bce2915c8ba3eba0b4f664add19f0504e (diff) | |
| download | syslinux-d4516833b61c52809048edcdfc25d5e610270b64.tar.gz | |
core, diskio: put the error code in dprintf and printable messages
When we print an error message to the screen, include the error
number. Furthermore, dprintf it on retries.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'core')
| -rw-r--r-- | core/fs/diskio.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/core/fs/diskio.c b/core/fs/diskio.c index 176c5bcc..b186af64 100644 --- a/core/fs/diskio.c +++ b/core/fs/diskio.c @@ -79,6 +79,8 @@ static int chs_rdwr_sectors(struct disk *disk, void *buf, if (retry--) continue; + dprintf("CHS: error AX = %04x\n", oreg.eax.w[0]); + /* For any starting value, this will always end with ..., 1, 0 */ chunk >>= 1; if (chunk) { @@ -87,7 +89,8 @@ static int chs_rdwr_sectors(struct disk *disk, void *buf, ireg.eax.b[0] = chunk; continue; } else { - printf("CHS: Error %s sector %llu (%u/%u/%u)\n", + printf("CHS: Error %04x %s sector %llu (%u/%u/%u)\n", + oreg.eax.w[0], is_write ? "writing" : "reading", lba, c, h, s+1); } @@ -179,6 +182,8 @@ static int edd_rdwr_sectors(struct disk *disk, void *buf, if (retry--) continue; + dprintf("EDD: error AX = %04x\n", oreg.eax.w[0]); + /* For any starting value, this will always end with ..., 1, 0 */ chunk >>= 1; if (chunk) { @@ -188,7 +193,8 @@ static int edd_rdwr_sectors(struct disk *disk, void *buf, } /*** XXX: Consider falling back to CHS here?! ***/ - printf("EDD: Error %s sector %llu\n", + printf("EDD: Error %04x %s sector %llu\n", + oreg.eax.w[0], is_write ? "writing" : "reading", lba); return done; /* Failure */ |