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Check status register for error

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2400 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-09-24 17:10:03 +00:00
parent b0cd912f55
commit c909b4b42e
1 changed files with 4 additions and 0 deletions
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4
firmware/drivers/ata.c
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@ -62,6 +62,7 @@
#define STATUS_BSY 0x80 #define STATUS_BSY 0x80
#define STATUS_RDY 0x40 #define STATUS_RDY 0x40
#define STATUS_DF 0x20
#define STATUS_DRQ 0x08 #define STATUS_DRQ 0x08
#define STATUS_ERR 0x01 #define STATUS_ERR 0x01
@ -223,6 +224,9 @@ int ata_read_sectors(unsigned long start,
continue; continue;
} }
if ( ATA_ALT_STATUS & (STATUS_ERR | STATUS_DF) )
continue;
/* if destination address is odd, use byte copying, /* if destination address is odd, use byte copying,
otherwise use word copying */ otherwise use word copying */