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amic: implement AMIC2 identification.

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This commit is contained in:
Maxim Poliakovski 2021-10-13 09:06:16 +02:00
parent e66979d30f
commit 7c47b9c1e7
2 changed files with 5 additions and 0 deletions
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3
devices/amic.cpp
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@ -91,6 +91,8 @@ uint32_t AMIC::read(uint32_t reg_start, uint32_t offset, int size)
return this->snd_out_dma->read_stat();
case AMICReg::Diag_Reg:
return 0xFFU; // this value allows the machine to boot normally
case AMICReg::SCSI_DMA_Ctrl:
return this->scsi_dma_cs;
default:
LOG_F(WARNING, "Unknown AMIC register read, offset=%x", offset);
}
@ -177,6 +179,7 @@ void AMIC::write(uint32_t reg_start, uint32_t offset, uint32_t value, int size)
break;
case AMICReg::SCSI_DMA_Ctrl:
LOG_F(INFO, "AMIC SCSI DMA Ctrl updated, val=%x", value);
this->scsi_dma_cs = value;
break;
case AMICReg::Enet_DMA_Rcv_Ctrl:
LOG_F(INFO, "AMIC Ethernet Receive DMA Ctrl updated, val=%x", value);

2
devices/amic.h
View File

@ -139,6 +139,8 @@ private:
uint16_t snd_buf_size = 0; // sound buffer size in bytes
uint8_t snd_out_ctrl = 0;
uint8_t scsi_dma_cs = 0; // SCSI DMA control/status register value
std::unique_ptr<ViaCuda> viacuda;
std::unique_ptr<AwacDevicePdm> awacs;