73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#ifndef CRASHPOWEROS_PCNET_H
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#define CRASHPOWEROS_PCNET_H
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#define CARD_VENDOR_ID 0x1022
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#define CARD_DEVICE_ID 0x2000
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// 为了使用该寄存器，必须将RAP设置为这些值
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#define CSR0 0
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#define CSR1 1
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#define CSR2 2
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#define CSR3 3
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#define CSR4 4
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#define BCR18 18
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#define BCR20 20
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// 16位I/O端口（或到I/O空间开始的偏移）。
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#define APROM0 0x00
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#define APROM1 0x01
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#define APROM2 0x02
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#define APROM3 0x03
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#define APROM4 0x04
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#define APROM5 0x05
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// 16位读写模式下
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#define RDP16 0x10
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#define RAP16 0x12
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#define RESET16 0x14
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#define BDP16 0x16
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// 32位读写模式下
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#define RDP32 0x10
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#define RAP32 0x14
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#define RESET32 0x18
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#define BDP32 0x1c
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#define MTU 1500
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#define ARP_PROTOCOL 0x806
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#define IP_PROTOCOL 0x0800
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#define IP_MF 13
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#define IP_DF 14
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#define IP_OFFSET 0
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#define swap32(x) \
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((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
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(((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
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#define swap16(x) ((((x) & 0xff00) >> 8) | (((x) & 0x00ff) << 8))
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#include <stdint.h>
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#include "isr.h"
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struct InitializationBlock {
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uint16_t mode;
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uint8_t reserved1numSendBuffers;
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uint8_t reserved2numRecvBuffers;
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uint8_t mac0, mac1, mac2, mac3, mac4, mac5;
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uint16_t reserved3;
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uint64_t logicalAddress;
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uint32_t recvBufferDescAddress;
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uint32_t sendBufferDescAddress;
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} __attribute__((packed));
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struct BufferDescriptor {
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uint32_t address;
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uint32_t flags;
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uint32_t flags2;
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uint32_t avail;
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} __attribute__((packed));
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void into_32bitsRW();
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void into_16bitsRW();
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void reset_card();
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void Activate();
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int pcnet_find_card();
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void init_pcnet_card();
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void PCNET_IRQ(registers_t *reg);
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void Recv();
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void PcnetSend(uint8_t* buffer, int size);
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#endif
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