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Last minute changes for the IDE hdd (September 12th, 2025)

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When a secondary slave is shadowed by an ATAPI secondary master, make sure the signature (and on reset too) doesn't make it "recognized" (0xeb14) in the cylinder register (as in, 0x0000'ing it)
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TC1995
2025-09-12 01:23:12 +02:00
parent 116033a760
commit a71e5ea072
1 changed files with 2 additions and 2 deletions
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4
src/disk/hdc_ide.c
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@@ -812,7 +812,7 @@ ide_set_signature(ide_t *ide)
ide->tf->sector = 1;
ide->tf->head = 0;
ide->tf->secount = 1;
ide->tf->cylinder = ide_signatures[ide->type & ~IDE_SHADOW];
ide->tf->cylinder = (ide->type == IDE_ATAPI_SHADOW) ? 0x0000 : ide_signatures[ide->type & ~IDE_SHADOW];
if (ide->type == IDE_HDD)
ide->drive = 0;
@@ -1581,7 +1581,7 @@ ide_reset_registers(ide_t *ide)
ide->tf->atastat = DRDY_STAT | DSC_STAT;
ide->tf->error = 1;
ide->tf->secount = 1;
ide->tf->cylinder = ide_signatures[ide->type & ~IDE_SHADOW];
ide->tf->cylinder = (ide->type == IDE_ATAPI_SHADOW) ? 0x0000 : ide_signatures[ide->type & ~IDE_SHADOW];
ide->tf->sector = 1;
ide->tf->head = 0;