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Very dumb bug fixed, 3.0.1 boots now!

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For READ(6) and WRITE(6), SCSI spec says,
"A TRANSFER LENGTH field set to zero specifies that 256 logical blocks shall be written"
Oops
This commit is contained in:
Peter Rutenbar 2014-06-23 10:55:41 -04:00
parent f051d42597
commit 305d84faad
1 changed files with 2 additions and 2 deletions
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4
core/scsi.c
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@ -349,7 +349,7 @@ static void scsi_buf_set (uint8_t byte)
(shoe.scsi.buf[1] << 16) |
(shoe.scsi.buf[2] << 8 ) |
(shoe.scsi.buf[3]);
const uint8_t len = shoe.scsi.buf[4];
const uint16_t len = (shoe.scsi.buf[4]==0) ? 0x100 : shoe.scsi.buf[4]; // len==0 -> 256 sectors
assert(dev->f);
@ -380,7 +380,7 @@ static void scsi_buf_set (uint8_t byte)
(shoe.scsi.buf[1] << 16) |
(shoe.scsi.buf[2] << 8 ) |
(shoe.scsi.buf[3]);
const uint8_t len = shoe.scsi.buf[4];
const uint16_t len = (shoe.scsi.buf[4]==0) ? 0x100 : shoe.scsi.buf[4]; // len==0 -> 256 sectors
slog("scsi_buf_set: Responding to write at off=%u len=%u\n", offset, len);