Revision dfe1ea8f
| b/hw/ide/core.c | ||
|---|---|---|
| 1694 | 1694 |
void ide_exec_cmd(IDEBus *bus, uint32_t val) |
| 1695 | 1695 |
{
|
| 1696 | 1696 |
IDEState *s; |
| 1697 |
bool complete; |
|
| 1697 | 1698 |
|
| 1698 | 1699 |
#if defined(DEBUG_IDE) |
| 1699 | 1700 |
printf("ide: CMD=%02x\n", val);
|
| ... | ... | |
| 1708 | 1709 |
return; |
| 1709 | 1710 |
|
| 1710 | 1711 |
if (!ide_cmd_permitted(s, val)) {
|
| 1711 |
goto abort_cmd; |
|
| 1712 |
ide_abort_command(s); |
|
| 1713 |
ide_set_irq(s->bus); |
|
| 1714 |
return; |
|
| 1712 | 1715 |
} |
| 1713 | 1716 |
|
| 1714 |
if (ide_cmd_table[val].handler != NULL) {
|
|
| 1715 |
bool complete; |
|
| 1716 |
|
|
| 1717 |
s->status = READY_STAT | BUSY_STAT; |
|
| 1718 |
s->error = 0; |
|
| 1719 |
|
|
| 1720 |
complete = ide_cmd_table[val].handler(s, val); |
|
| 1721 |
if (complete) {
|
|
| 1722 |
s->status &= ~BUSY_STAT; |
|
| 1723 |
assert(!!s->error == !!(s->status & ERR_STAT)); |
|
| 1717 |
s->status = READY_STAT | BUSY_STAT; |
|
| 1718 |
s->error = 0; |
|
| 1724 | 1719 |
|
| 1725 |
if ((ide_cmd_table[val].flags & SET_DSC) && !s->error) {
|
|
| 1726 |
s->status |= SEEK_STAT; |
|
| 1727 |
} |
|
| 1720 |
complete = ide_cmd_table[val].handler(s, val); |
|
| 1721 |
if (complete) {
|
|
| 1722 |
s->status &= ~BUSY_STAT; |
|
| 1723 |
assert(!!s->error == !!(s->status & ERR_STAT)); |
|
| 1728 | 1724 |
|
| 1729 |
ide_set_irq(s->bus); |
|
| 1725 |
if ((ide_cmd_table[val].flags & SET_DSC) && !s->error) {
|
|
| 1726 |
s->status |= SEEK_STAT; |
|
| 1730 | 1727 |
} |
| 1731 | 1728 |
|
| 1732 |
return; |
|
| 1733 |
} |
|
| 1734 |
|
|
| 1735 |
switch(val) {
|
|
| 1736 |
default: |
|
| 1737 |
/* should not be reachable */ |
|
| 1738 |
abort_cmd: |
|
| 1739 |
ide_abort_command(s); |
|
| 1740 | 1729 |
ide_set_irq(s->bus); |
| 1741 |
break; |
|
| 1742 | 1730 |
} |
| 1743 | 1731 |
} |
| 1744 | 1732 |
|
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