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https://github.com/ipxe/ipxe
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[pxe] Move all PXE files to arch/i386
The initial PXE implementation in Etherboot had the goal of being architecture-agnostic, but this goal has not been realised.
This commit is contained in:
Michael Brown
151
src/arch/i386/include/pxe.h
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151
src/arch/i386/include/pxe.h
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#ifndef PXE_H
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#define PXE_H
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#include "pxe_types.h"
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#include "pxe_api.h"
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#include <gpxe/device.h>
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/* Parameter block for pxenv_unknown() */
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struct s_PXENV_UNKNOWN {
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PXENV_STATUS_t Status; /**< PXE status code */
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} PACKED;
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typedef struct s_PXENV_UNKNOWN PXENV_UNKNOWN_t;
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/* Union used for PXE API calls; we don't know the type of the
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* structure until we interpret the opcode. Also, Status is available
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* in the same location for any opcode, and it's convenient to have
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* non-specific access to it.
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*/
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union u_PXENV_ANY {
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/* Make it easy to read status for any operation */
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PXENV_STATUS_t Status;
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struct s_PXENV_UNKNOWN unknown;
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struct s_PXENV_UNLOAD_STACK unload_stack;
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struct s_PXENV_GET_CACHED_INFO get_cached_info;
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struct s_PXENV_TFTP_READ_FILE restart_tftp;
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struct s_PXENV_START_UNDI start_undi;
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struct s_PXENV_STOP_UNDI stop_undi;
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struct s_PXENV_START_BASE start_base;
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struct s_PXENV_STOP_BASE stop_base;
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struct s_PXENV_TFTP_OPEN tftp_open;
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struct s_PXENV_TFTP_CLOSE tftp_close;
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struct s_PXENV_TFTP_READ tftp_read;
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struct s_PXENV_TFTP_READ_FILE tftp_read_file;
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struct s_PXENV_TFTP_GET_FSIZE tftp_get_fsize;
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struct s_PXENV_UDP_OPEN udp_open;
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struct s_PXENV_UDP_CLOSE udp_close;
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struct s_PXENV_UDP_WRITE udp_write;
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struct s_PXENV_UDP_READ udp_read;
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struct s_PXENV_UNDI_STARTUP undi_startup;
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struct s_PXENV_UNDI_CLEANUP undi_cleanup;
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struct s_PXENV_UNDI_INITIALIZE undi_initialize;
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struct s_PXENV_UNDI_RESET undi_reset_adapter;
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struct s_PXENV_UNDI_SHUTDOWN undi_shutdown;
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struct s_PXENV_UNDI_OPEN undi_open;
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struct s_PXENV_UNDI_CLOSE undi_close;
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struct s_PXENV_UNDI_TRANSMIT undi_transmit;
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struct s_PXENV_UNDI_SET_MCAST_ADDRESS undi_set_mcast_address;
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struct s_PXENV_UNDI_SET_STATION_ADDRESS undi_set_station_address;
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struct s_PXENV_UNDI_SET_PACKET_FILTER undi_set_packet_filter;
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struct s_PXENV_UNDI_GET_INFORMATION undi_get_information;
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struct s_PXENV_UNDI_GET_STATISTICS undi_get_statistics;
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struct s_PXENV_UNDI_CLEAR_STATISTICS undi_clear_statistics;
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struct s_PXENV_UNDI_INITIATE_DIAGS undi_initiate_diags;
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struct s_PXENV_UNDI_FORCE_INTERRUPT undi_force_interrupt;
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struct s_PXENV_UNDI_GET_MCAST_ADDRESS undi_get_mcast_address;
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struct s_PXENV_UNDI_GET_NIC_TYPE undi_get_nic_type;
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struct s_PXENV_UNDI_GET_IFACE_INFO undi_get_iface_info;
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struct s_PXENV_UNDI_GET_STATE undi_get_state;
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struct s_PXENV_UNDI_ISR undi_isr;
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struct s_PXENV_FILE_OPEN file_open;
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struct s_PXENV_FILE_CLOSE file_close;
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struct s_PXENV_FILE_SELECT file_select;
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struct s_PXENV_FILE_READ file_read;
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struct s_PXENV_GET_FILE_SIZE get_file_size;
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struct s_PXENV_FILE_EXEC file_exec;
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struct s_PXENV_FILE_API_CHECK file_api_check;
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};
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typedef union u_PXENV_ANY PXENV_ANY_t;
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/** An UNDI expansion ROM header */
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struct undi_rom_header {
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/** Signature
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*
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* Must be equal to @c ROM_SIGNATURE
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*/
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UINT16_t Signature;
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/** ROM length in 512-byte blocks */
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UINT8_t ROMLength;
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/** Unused */
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UINT8_t unused[0x13];
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/** Offset of the PXE ROM ID structure */
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UINT16_t PXEROMID;
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/** Offset of the PCI ROM structure */
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UINT16_t PCIRHeader;
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} PACKED;
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/** Signature for an expansion ROM */
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#define ROM_SIGNATURE 0xaa55
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/** An UNDI ROM ID structure */
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struct undi_rom_id {
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/** Signature
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*
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* Must be equal to @c UNDI_ROM_ID_SIGNATURE
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*/
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UINT32_t Signature;
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/** Length of structure */
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UINT8_t StructLength;
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/** Checksum */
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UINT8_t StructCksum;
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/** Structure revision
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*
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* Must be zero.
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*/
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UINT8_t StructRev;
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/** UNDI revision
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*
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* Version 2.1.0 is encoded as the byte sequence 0x00, 0x01, 0x02.
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*/
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UINT8_t UNDIRev[3];
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/** Offset to UNDI loader */
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UINT16_t UNDILoader;
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/** Minimum required stack segment size */
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UINT16_t StackSize;
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/** Minimum required data segment size */
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UINT16_t DataSize;
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/** Minimum required code segment size */
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UINT16_t CodeSize;
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} PACKED;
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/** Signature for an UNDI ROM ID structure */
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#define UNDI_ROM_ID_SIGNATURE \
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( ( 'U' << 0 ) + ( 'N' << 8 ) + ( 'D' << 16 ) + ( 'I' << 24 ) )
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/** A PCI expansion header */
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struct pcir_header {
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/** Signature
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*
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* Must be equal to @c PCIR_SIGNATURE
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*/
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uint32_t signature;
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/** PCI vendor ID */
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uint16_t vendor_id;
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/** PCI device ID */
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uint16_t device_id;
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} PACKED;
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/** Signature for an UNDI ROM ID structure */
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#define PCIR_SIGNATURE \
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( ( 'P' << 0 ) + ( 'C' << 8 ) + ( 'I' << 16 ) + ( 'R' << 24 ) )
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extern struct net_device *pxe_netdev;
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extern void pxe_set_netdev ( struct net_device *netdev );
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extern void pxe_set_cached_filename ( const unsigned char *filename );
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#endif /* PXE_H */
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1841
src/arch/i386/include/pxe_api.h
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1841
src/arch/i386/include/pxe_api.h
Normal file
File diff suppressed because it is too large
Load Diff
125
src/arch/i386/include/pxe_types.h
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125
src/arch/i386/include/pxe_types.h
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@@ -0,0 +1,125 @@
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#ifndef PXE_TYPES_H
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#define PXE_TYPES_H
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/** @file
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*
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* PXE data types
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*
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*/
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#include <stdint.h>
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#include <errno.h> /* PXE status codes */
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/** @addtogroup pxe Preboot eXecution Environment (PXE) API
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* @{
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*/
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/** @defgroup pxe_types PXE data types
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*
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* Basic PXE data types such as #UINT16_t, #ADDR32_t, #SEGSEL_t etc.
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*
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* These definitions are based on Table 1-1 ("Data Type Definitions")
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* in the Intel PXE specification version 2.1. They have been
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* generalised to non-x86 architectures where possible.
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*
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* @{
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*/
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/** An 8-bit unsigned integer */
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typedef uint8_t UINT8_t;
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/** A 16-bit unsigned integer */
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typedef uint16_t UINT16_t;
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/** A 32-bit unsigned integer */
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typedef uint32_t UINT32_t;
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/** A PXE exit code.
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*
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* Permitted values are #PXENV_EXIT_SUCCESS and #PXENV_EXIT_FAILURE.
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*
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*/
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typedef UINT16_t PXENV_EXIT_t;
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#define PXENV_EXIT_SUCCESS 0x0000 /**< No error occurred */
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#define PXENV_EXIT_FAILURE 0x0001 /**< An error occurred */
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/** A PXE status code.
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*
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* Status codes are defined in errno.h.
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*
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*/
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typedef UINT16_t PXENV_STATUS_t;
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/** An IPv4 address.
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*
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* @note This data type is in network (big-endian) byte order.
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*
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*/
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typedef UINT32_t IP4_t;
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/** A UDP port.
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*
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* @note This data type is in network (big-endian) byte order.
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*
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*/
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typedef UINT16_t UDP_PORT_t;
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/** Maximum length of a MAC address */
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#define MAC_ADDR_LEN 16
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/** A MAC address */
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typedef UINT8_t MAC_ADDR_t[MAC_ADDR_LEN];
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#ifndef HAVE_ARCH_ADDR32
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/** A physical address.
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*
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* For x86, this is a 32-bit physical address, and is therefore
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* limited to the low 4GB.
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*
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*/
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typedef UINT32_t ADDR32_t;
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#endif
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#ifndef HAVE_ARCH_SEGSEL
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/** A segment selector.
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*
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* For x86, this is a real mode segment (0x0000-0xffff), or a
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* protected-mode segment selector, such as could be loaded into a
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* segment register.
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*
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*/
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typedef UINT16_t SEGSEL_t;
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#endif
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#ifndef HAVE_ARCH_OFF16
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/** An offset within a segment identified by #SEGSEL
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*
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* For x86, this is a 16-bit offset.
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*
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*/
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typedef UINT16_t OFF16_t;
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#endif
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/** A segment:offset address
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*
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* For x86, this is a 16-bit real-mode or protected-mode
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* segment:offset address.
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*
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*/
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typedef struct s_SEGOFF16 {
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OFF16_t offset; /**< Offset within the segment */
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SEGSEL_t segment; /**< Segment selector */
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} PACKED SEGOFF16_t;
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/** A segment descriptor */
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typedef struct s_SEGDESC {
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SEGSEL_t segment_address; /**< Segment selector */
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ADDR32_t Physical_address; /**< Segment base address */
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OFF16_t Seg_size; /**< Size of the segment */
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} PACKED SEGDESC_t;
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/** @} */ /* pxe_types */
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/** @} */ /* pxe */
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#endif /* PXE_TYPES_H */
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