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- panic at 'Read sub-channel with SubQ' replaced by a BX_ERROR. The harddisk

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controller returns an error code until we are able to implement this feature.
- init_send_atapi_command(): don't panic if alloc_length is 0, use byte_count
  to set alloc_length instead
- fixed a BX_PANIC message in the io write handler for port 0x1f0
This commit is contained in:
Volker Ruppert 2002-07-30 09:54:26 +00:00
parent 1956be72db
commit 2b2369a049
1 changed files with 11 additions and 6 deletions
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17
bochs/iodev/harddrv.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: harddrv.cc,v 1.63 2002-07-27 18:42:31 vruppert Exp $
// $Id: harddrv.cc,v 1.64 2002-07-30 09:54:26 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -128,7 +128,7 @@ bx_hard_drive_c::~bx_hard_drive_c(void)
bx_hard_drive_c::init(bx_devices_c *d, bx_cmos_c *cmos)
{
BX_HD_THIS devices = d;
BX_DEBUG(("Init $Id: harddrv.cc,v 1.63 2002-07-27 18:42:31 vruppert Exp $"));
BX_DEBUG(("Init $Id: harddrv.cc,v 1.64 2002-07-30 09:54:26 vruppert Exp $"));
/* HARD DRIVE 0 */
@ -868,7 +868,7 @@ BX_DEBUG(("IO write to %04x = %02x", (unsigned) address, (unsigned) value));
switch (address) {
case 0x1f0:
if (io_len == 1) {
BX_PANIC(("byte IO read from %04x", (unsigned) address));
BX_PANIC(("byte IO write to 0x1f0"));
}
switch (BX_SELECTED_CONTROLLER.current_command) {
case 0x30: // WRITE SECTORS
@ -1393,7 +1393,10 @@ BX_DEBUG(("IO write to %04x = %02x", (unsigned) address, (unsigned) value));
int ret_len = 4; // header size
if (sub_q) { // !sub_q == header only
BX_PANIC(("Read sub-channel with SubQ not implemented"));
BX_ERROR(("Read sub-channel with SubQ not implemented"));
atapi_cmd_error(SENSE_ILLEGAL_REQUEST,
ASC_INV_FIELD_IN_CMD_PACKET);
raise_interrupt();
}
init_send_atapi_command(atapi_command, ret_len, alloc_length);
@ -2577,8 +2580,10 @@ bx_hard_drive_c::init_send_atapi_command(Bit8u command, int req_length, int allo
&& !(alloc_length <= BX_SELECTED_CONTROLLER.byte_count)) {
BX_ERROR(("Odd byte count to ATAPI command 0x%02x", command));
}
if (alloc_length <= 0)
BX_PANIC(("Allocation length <= 0"));
if (alloc_length < 0)
BX_PANIC(("Allocation length < 0"));
if (alloc_length == 0)
alloc_length = BX_SELECTED_CONTROLLER.byte_count;
BX_SELECTED_CONTROLLER.interrupt_reason.i_o = 1;
BX_SELECTED_CONTROLLER.interrupt_reason.c_d = 0;