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-rw-r--r--hw/eepro100.c54
1 files changed, 30 insertions, 24 deletions
diff --git a/hw/eepro100.c b/hw/eepro100.c
index 62207da100..ef7d131e42 100644
--- a/hw/eepro100.c
+++ b/hw/eepro100.c
@@ -626,26 +626,11 @@ static void dump_statistics(EEPRO100State * s)
//~ missing("CU dump statistical counters");
}
-static void eepro100_cu_command(EEPRO100State * s, uint8_t val)
+static void action_command(EEPRO100State *s)
{
- eepro100_tx_t tx;
- uint32_t cb_address;
- switch (val) {
- case CU_NOP:
- /* No operation. */
- break;
- case CU_START:
- if (get_cu_state(s) != cu_idle) {
- /* Intel documentation says that CU must be idle for the CU
- * start command. Intel driver for Linux also starts the CU
- * from suspended state. */
- logout("CU state is %u, should be %u\n", get_cu_state(s), cu_idle);
- //~ assert(!"wrong CU state");
- }
- set_cu_state(s, cu_active);
- s->cu_offset = s->pointer;
- next_command:
- cb_address = s->cu_base + s->cu_offset;
+ for (;;) {
+ uint32_t cb_address = s->cu_base + s->cu_offset;
+ eepro100_tx_t tx;
cpu_physical_memory_read(cb_address, (uint8_t *) & tx, sizeof(tx));
uint16_t status = le16_to_cpu(tx.status);
uint16_t command = le16_to_cpu(tx.command);
@@ -787,17 +772,38 @@ static void eepro100_cu_command(EEPRO100State * s, uint8_t val)
/* CU becomes idle. Terminate command loop. */
set_cu_state(s, cu_idle);
eepro100_cna_interrupt(s);
+ break;
} else if (bit_s) {
- /* CU becomes suspended. */
+ /* CU becomes suspended. Terminate command loop. */
set_cu_state(s, cu_suspended);
eepro100_cna_interrupt(s);
+ break;
} else {
/* More entries in list. */
TRACE(OTHER, logout("CU list with at least one more entry\n"));
- goto next_command;
}
- TRACE(OTHER, logout("CU list empty\n"));
- /* List is empty. Now CU is idle or suspended. */
+ }
+ TRACE(OTHER, logout("CU list empty\n"));
+ /* List is empty. Now CU is idle or suspended. */
+}
+
+static void eepro100_cu_command(EEPRO100State * s, uint8_t val)
+{
+ switch (val) {
+ case CU_NOP:
+ /* No operation. */
+ break;
+ case CU_START:
+ if (get_cu_state(s) != cu_idle) {
+ /* Intel documentation says that CU must be idle for the CU
+ * start command. Intel driver for Linux also starts the CU
+ * from suspended state. */
+ logout("CU state is %u, should be %u\n", get_cu_state(s), cu_idle);
+ //~ assert(!"wrong CU state");
+ }
+ set_cu_state(s, cu_active);
+ s->cu_offset = s->pointer;
+ action_command(s);
break;
case CU_RESUME:
if (get_cu_state(s) != cu_suspended) {
@@ -810,7 +816,7 @@ static void eepro100_cu_command(EEPRO100State * s, uint8_t val)
if (get_cu_state(s) == cu_suspended) {
TRACE(OTHER, logout("CU resuming\n"));
set_cu_state(s, cu_active);
- goto next_command;
+ action_command(s);
}
break;
case CU_STATSADDR: