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ZIP and (SCSI) CD-ROM code now round the maximum transfer size to the nearest sector size for disk access commands, fixes CD-ROM booting on later ASUS BIOS'es.

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OBattler
2020-03-22 23:12:02 +01:00
parent b999cce723
commit 6a111545a1
2 changed files with 10 additions and 0 deletions
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6
src/disk/zip.c
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@@ -815,8 +815,14 @@ zip_update_request_length(zip_t *dev, int len, int block_len)
/* For media access commands, make sure the requested DRQ length matches the block length. */
switch (dev->current_cdb[0]) {
case 0x08:
case 0x0a:
case 0x28:
case 0x2a:
case 0xa8:
case 0xaa:
/* Round it to the nearest 2048 bytes. */
dev->max_transfer_len = (dev->max_transfer_len >> 9) << 9;
/* Make sure total length is not bigger than sum of the lengths of
all the requested blocks. */
bt = (dev->requested_blocks * block_len);

4
src/scsi/scsi_cdrom.c
View File

@@ -562,6 +562,10 @@ scsi_cdrom_update_request_length(scsi_cdrom_t *dev, int len, int block_len)
case 0x08:
case 0x28:
case 0xa8:
/* Round it to the nearest 2048 bytes. */
dev->max_transfer_len = (dev->max_transfer_len >> 11) << 11;
/* FALLTHROUGH */
case 0xb9:
case 0xbe:
/* Make sure total length is not bigger than sum of the lengths of