80486DX2-66/86Box-fork
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The CD-ROM now correctly identifies as supporting DMA.

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This commit is contained in:
OBattler
2016-09-15 14:32:26 +02:00
parent 176f0e5f43
commit a0f6257c36
1 changed files with 11 additions and 14 deletions
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25
src/ide.c
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@@ -552,7 +552,10 @@ static void ide_atapi_identify(IDE *ide)
#else
ide_padstr((char *) (ide->buffer + 27), "86BoxCD", 40); /* Model */
#endif
ide->buffer[49] = 0x200; /* LBA supported */
ide->buffer[49] = 0x300; /* LBA and DMA supported */
ide->buffer[62] = ide->dma_identify_data[0];
ide->buffer[63] = ide->dma_identify_data[1];
ide->buffer[88] = ide->dma_identify_data[2];
}
/**
@@ -832,13 +835,13 @@ int ide_set_features(IDE *ide)
ide->dma_identify_data[2] = 0x3f;
break;
case 2:
if (ide->type == IDE_CDROM) return 0;
// if (ide->type == IDE_CDROM) return 0;
ide->dma_identify_data[0] = 7 | (1 << (val + 8));
ide->dma_identify_data[1] = 7;
ide->dma_identify_data[2] = 0x3f;
break;
case 4:
if (ide->type == IDE_CDROM) return 0;
// if (ide->type == IDE_CDROM) return 0;
ide->dma_identify_data[0] = 7;
ide->dma_identify_data[1] = 7 | (1 << (val + 8));
ide->dma_identify_data[2] = 0x3f;
@@ -920,17 +923,12 @@ void resetide(void)
ide_set_signature(&ide_drives[d]);
if (ide_drives[d].type == IDE_HDD)
if (ide_drives[d].type != IDE_NONE)
{
ide_drives[d].dma_identify_data[0] = 7;
ide_drives[d].dma_identify_data[1] = 7 | (1 << 15);
ide_drives[d].dma_identify_data[2] = 0x3f;
}
else if (ide_drives[d].type == IDE_CDROM)
{
ide_drives[d].dma_identify_data[0] = ide_drives[d].dma_identify_data[1] = 7;
ide_drives[d].dma_identify_data[2] = 0x3f;
}
}
/* REMOVE WHEN SUBMITTING TO MAINLINE - START */
@@ -949,11 +947,9 @@ void resetide(void)
ide_set_signature(&ide_drives[d]);
if (ide_drives[d].type == IDE_CDROM)
{
ide_drives[d].dma_identify_data[0] = ide_drives[d].dma_identify_data[1] = 7;
ide_drives[d].dma_identify_data[2] = 0x3f;
}
ide_drives[d].dma_identify_data[0] = 7;
ide_drives[d].dma_identify_data[1] = 7 | (1 << 15);
ide_drives[d].dma_identify_data[2] = 0x3f;
}
/* REMOVE WHEN SUBMITTING TO MAINLINE - END */
#endif
@@ -1632,6 +1628,7 @@ void callbackide(int ide_board)
case WIN_READ_DMA:
if (IDE_DRIVE_IS_CDROM(ide)) {
atapi->readsector(ide->buffer, ide_get_sector(ide));
ide->pos=0;
}
else
{