ESP: fix ESP DMA access when DMA is not enabled

Sending ESP a command caused it to trigger DMA immediately
even if DMA was not enabled at the DMA controller.

Add a signal from DMA controller to ESP to tell ESP about changes in
DMA enable bit. Also use the correct function for setting up GPIO outputs.

This fixes NetBSD 1.6.1 through 3.0 boot.

Thanks to Artyom Tarasenko for extensive debugging of the problem.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/hw/esp.h b/hw/esp.h
index 605f953..62bfd4d 100644
--- a/hw/esp.h
+++ b/hw/esp.h
@@ -7,6 +7,7 @@ typedef void (*ESPDMAMemoryReadWriteFunc)(void *opaque, uint8_t *buf, int len);
 void esp_init(target_phys_addr_t espaddr, int it_shift,
               ESPDMAMemoryReadWriteFunc dma_memory_read,
               ESPDMAMemoryReadWriteFunc dma_memory_write,
-              void *dma_opaque, qemu_irq irq, qemu_irq *reset);
+              void *dma_opaque, qemu_irq irq, qemu_irq *reset,
+              qemu_irq *dma_enable);
 
 #endif