sysadmin/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe synced 2025-12-21 20:40:25 +03:00
Code Issues Packages Projects Releases Wiki Activity

Split PXE code into preboot, udp, tftp, undi and loader units.

Browse Source 
PXE code now compiles without errors (though it won't actually work).
This commit is contained in:
Michael Brown
2005-05-23 23:32:56 +00:00
parent 13de295b56
commit 809933d9f7
14 changed files with 1539 additions and 1644 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
src/include/pxe.h
View File

@@ -3,6 +3,7 @@
#include "pxe_types.h"
#include "pxe_api.h"
#include "etherboot.h"
/* Union used for PXE API calls; we don't know the type of the
* structure until we interpret the opcode. Also, Status is available
@@ -14,7 +15,7 @@ union u_PXENV_ANY {
PXENV_STATUS_t Status;
struct s_PXENV_UNLOAD_STACK unload_stack;
struct s_PXENV_GET_CACHED_INFO get_cached_info;
struct s_PXENV_RESTART_TFTP restart_tftp;
struct s_PXENV_TFTP_READ_FILE restart_tftp;
struct s_PXENV_START_UNDI start_undi;
struct s_PXENV_STOP_UNDI stop_undi;
struct s_PXENV_START_BASE start_base;
@@ -31,7 +32,7 @@ union u_PXENV_ANY {
struct s_PXENV_UNDI_STARTUP undi_startup;
struct s_PXENV_UNDI_CLEANUP undi_cleanup;
struct s_PXENV_UNDI_INITIALIZE undi_initialize;
struct s_PXENV_UNDI_RESET_ADAPTER undi_reset_adapter;
struct s_PXENV_UNDI_RESET undi_reset_adapter;
struct s_PXENV_UNDI_SHUTDOWN undi_shutdown;
struct s_PXENV_UNDI_OPEN undi_open;
struct s_PXENV_UNDI_CLOSE undi_close;
@@ -62,16 +63,26 @@ typedef enum {
READY
} pxe_stack_state_t;
#define ENSURE_CAN_UNLOAD(structure) if ( ! ensure_pxe_state(CAN_UNLOAD) ) { \
structure->Status = PXENV_STATUS_UNDI_INVALID_STATE; \
return PXENV_EXIT_FAILURE; }
#define ENSURE_MIDWAY(structure) if ( ! ensure_pxe_state(MIDWAY) ) { \
structure->Status = PXENV_STATUS_UNDI_INVALID_STATE; \
return PXENV_EXIT_FAILURE; }
#define ENSURE_READY(structure) if ( ! ensure_pxe_state(READY) ) { \
structure->Status = PXENV_STATUS_UNDI_INVALID_STATE; \
return PXENV_EXIT_FAILURE; }
/* Data structures installed as part of a PXE stack. Architectures
* will have extra information to append to the end of this.
*/
#define PXE_TFTP_MAGIC_COOKIE ( ( 'P'<<24 ) | ( 'x'<<16 ) | ( 'T'<<8 ) | 'f' )
typedef struct {
pxe_t pxe __attribute__ ((aligned(16)));
pxenv_t pxenv __attribute__ ((aligned(16)));
typedef struct pxe_stack {
struct s_PXE pxe __attribute__ ((aligned(16)));
struct s_PXENV pxenv __attribute__ ((aligned(16)));
pxe_stack_state_t state;
union {
BOOTPLAYER cached_info;
BOOTPLAYER_t cached_info;
char packet[ETH_FRAME_LEN];
struct {
uint32_t magic_cookie;
@@ -88,6 +99,10 @@ typedef struct {
struct {} arch_data __attribute__ ((aligned(16)));
} pxe_stack_t;
extern int ensure_pxe_state ( pxe_stack_state_t wanted );
extern pxe_stack_t *pxe_stack;
extern PXENV_EXIT_t pxe_api_call ( int opcode, union u_PXENV_ANY *any );
#endif /* PXE_H */