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Deal with busy status on dbus_read() request. 

Change-Id: I3699bde01887dfba37d7f420737988248c7fca5b
This commit is contained in:
Tim Newsome 2018-01-04 12:53:09 -08:00
parent 2ffa3f3382
commit f401f2304f
1 changed files with 5 additions and 1 deletions
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6
src/target/riscv/riscv-011.c
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@ -459,7 +459,11 @@ static uint64_t dbus_read(struct target *target, uint16_t address)
* If there happens to be a busy state pending, we will clear it after we * If there happens to be a busy state pending, we will clear it after we
* discover it as part of the NOP scan. */ * discover it as part of the NOP scan. */
for (unsigned i = 0; i < 256; i++) { for (unsigned i = 0; i < 256; i++) {
dbus_scan(target, NULL, NULL, DBUS_OP_READ, address, 0); status = dbus_scan(target, NULL, NULL, DBUS_OP_READ, address, 0);
if (status == DBUS_STATUS_BUSY) {
increase_dbus_busy_delay(target);
continue;
}
status = dbus_scan(target, &address_in, &value, DBUS_OP_NOP, address, 0); status = dbus_scan(target, &address_in, &value, DBUS_OP_NOP, address, 0);
if (status == DBUS_STATUS_BUSY) if (status == DBUS_STATUS_BUSY)
increase_dbus_busy_delay(target); increase_dbus_busy_delay(target);