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- evaluate_media(): code for character or block devices simplified (TODO: determine

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media size)
This commit is contained in:
Volker Ruppert 2003-12-06 13:59:30 +00:00
parent df8604baee
commit 6113bf4d89
1 changed files with 7 additions and 56 deletions
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63
bochs/iodev/floppy.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: floppy.cc,v 1.65 2003-11-23 21:54:59 vruppert Exp $
// $Id: floppy.cc,v 1.66 2003-12-06 13:59:30 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -120,7 +120,7 @@ bx_floppy_ctrl_c::init(void)
{
Bit8u i;
BX_DEBUG(("Init $Id: floppy.cc,v 1.65 2003-11-23 21:54:59 vruppert Exp $"));
BX_DEBUG(("Init $Id: floppy.cc,v 1.66 2003-12-06 13:59:30 vruppert Exp $"));
DEV_dma_register_8bit_channel(2, dma_read, dma_write, "Floppy Drive");
DEV_register_irq(6, "Floppy Drive");
for (unsigned addr=0x03F2; addr<=0x03F7; addr++) {
@ -1502,60 +1502,11 @@ bx_floppy_ctrl_c::evaluate_media(unsigned type, char *path, floppy_t *media)
) {
// character or block device
// assume media is formatted to typical geometry for drive
switch (type) {
// use CMOS reserved types
case BX_FLOPPY_160K: // 160K 5.25"
media->type = BX_FLOPPY_160K;
media->sectors_per_track = 8;
media->tracks = 40;
media->heads = 1;
break;
case BX_FLOPPY_180K: // 180K 5.25"
media->type = BX_FLOPPY_180K;
media->sectors_per_track = 9;
media->tracks = 40;
media->heads = 1;
break;
case BX_FLOPPY_320K: // 320K 5.25"
media->type = BX_FLOPPY_320K;
media->sectors_per_track = 8;
media->tracks = 40;
media->heads = 2;
break;
case BX_FLOPPY_360K: // 360K 5.25"
media->type = BX_FLOPPY_360K;
media->sectors_per_track = 9;
media->tracks = 40;
media->heads = 2;
break;
case BX_FLOPPY_720K: // 720K 3.5"
media->type = BX_FLOPPY_720K;
media->sectors_per_track = 9;
media->tracks = 80;
media->heads = 2;
break;
case BX_FLOPPY_1_2: // 1.2M 5.25"
media->type = BX_FLOPPY_1_2;
media->sectors_per_track = 15;
media->tracks = 80;
media->heads = 2;
break;
case BX_FLOPPY_1_44: // 1.44M 3.5"
media->type = BX_FLOPPY_1_44;
media->sectors_per_track = 18;
media->tracks = 80;
media->heads = 2;
break;
case BX_FLOPPY_2_88: // 2.88M 3.5"
media->type = BX_FLOPPY_2_88;
media->sectors_per_track = 36;
media->tracks = 80;
media->heads = 2;
break;
default:
BX_PANIC(("evaluate_media: unknown media type"));
}
media->type = type;
media->tracks = floppy_type[idx].trk;
media->heads = floppy_type[idx].hd;
media->sectors_per_track = floppy_type[idx].spt;
media->sectors = floppy_type[idx].sectors;
media->sectors = media->heads * media->tracks * media->sectors_per_track;
return(1); // success
}