96 lines
2.1 KiB
C
96 lines
2.1 KiB
C
#ifndef PXE_H
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#define PXE_H
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#include <stdint.h>
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void pxe_init(void);
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int pxe_call(uint16_t opcode, uint16_t buf_seg, uint16_t buf_off) __attribute__((regparm(3)));
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#define MAC_ADDR_LEN 16
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typedef uint8_t MAC_ADDR_t[MAC_ADDR_LEN];
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struct bootph {
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uint8_t opcode;
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uint8_t Hardware;
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uint8_t Hardlen;
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uint8_t Gatehops;
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uint32_t ident;
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uint16_t seconds;
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uint16_t Flags;
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uint32_t cip;
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uint32_t yip;
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uint32_t sip;
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uint32_t gip;
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MAC_ADDR_t CAddr;
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uint8_t Sname[64];
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uint8_t bootfile[128];
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union bootph_vendor {
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uint8_t d[1024];
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struct bootph_vendor_v {
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uint8_t magic[4];
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uint32_t flags;
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uint8_t pad[56];
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} v;
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} vendor;
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};
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struct PXENV_UNDI_GET_INFORMATION {
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uint16_t Status;
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uint16_t BaseIo;
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uint16_t IntNumber;
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uint16_t MaxTranUnit;
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uint16_t HwType;
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uint16_t HwAddrLen;
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uint8_t CurrentNodeAddress[16];
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uint8_t PermNodeAddress[16];
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uint16_t ROMAddress;
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uint16_t RxBufCt;
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uint16_t TxBufCt;
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};
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#define PXE_SIGNATURE "PXENV+"
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struct pxenv {
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uint8_t signature[6];
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uint16_t version;
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uint8_t length;
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uint8_t checksum;
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uint32_t rm_entry;
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uint32_t pm_offset;
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uint16_t pm_selector;
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uint16_t stack_seg;
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uint16_t stack_size;
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uint16_t bc_code_seg;
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uint16_t bc_code_size;
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uint16_t bc_data_seg;
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uint16_t bc_data_size;
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uint16_t undi_data_seg;
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uint16_t undi_data_size;
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uint16_t undi_code_seg;
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uint16_t undi_code_size;
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uint32_t pxe_ptr;
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} __attribute__((packed));
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#define PXE_BANGPXE_SIGNATURE "!PXE"
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struct bangpxe {
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uint8_t signature[4];
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uint8_t length;
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uint8_t chksum;
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uint8_t rev;
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uint8_t reserved;
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uint32_t undiromid;
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uint32_t baseromid;
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uint32_t rm_entry;
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uint32_t pm_entry;
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} __attribute__((packed));
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#define PXENV_GET_CACHED_INFO 0x0071
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struct pxenv_get_cached_info {
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uint16_t status;
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uint16_t packet_type;
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uint16_t buffer_size;
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uint32_t buffer;
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uint16_t buffer_limit;
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} __attribute__((packed));
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#endif
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