rulimine/stage23/pxe/pxe.h
2021-02-25 01:24:54 +01:00

96 lines
2.1 KiB
C

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