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/* ----------------------------------------------------------------------- *
*
* Copyright 2002-2009 H. Peter Anvin - All Rights Reserved
* Copyright 2009 Intel Corporation; author: H. Peter Anvin
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* ----------------------------------------------------------------------- */
/*
* pmapi.h
*
* Definitions for the Syslinux 4 protected-mode ABI
*/
#ifndef _SYSLINUX_PMAPI_H
#define _SYSLINUX_PMAPI_H
#include <stddef.h>
#include <inttypes.h>
/*
* Note: add new members to this structure only at the end.
* The position of elements in this structure is an ABI.
*/
struct _DIR_;
struct dirent;
struct com32_filedata {
size_t size; /* File size */
int blocklg2; /* log2(block size) */
uint16_t handle; /* File handle */
};
struct com32_pmapi {
size_t __pmapi_size;
void *(*lmalloc)(size_t);
void (*lfree)(void *);
int (*open_file)(const char *, struct com32_filedata *);
size_t (*read_file)(uint16_t *, void *, size_t);
void (*close_file)(uint16_t);
struct _DIR_ *(*opendir)(const char *);
struct dirent *(*readdir)(struct _DIR_ *);
int (*closedir)(struct _DIR_ *);
void (*idle)(void);
void (*reset_idle)(void);
int (*chdir)(const char *);
char *(*getcwd)(char *, size_t);
/* Should be "const volatile", but gcc miscompiles that sometimes */
volatile uint32_t *jiffies;
volatile uint32_t *ms_timer;
};
#endif /* _SYSLINUX_PMAPI_H */
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