232 lines
8.5 KiB
C
232 lines
8.5 KiB
C
/* From: CFE Id: cfe_api.h,v 1.29 2002/07/09 23:29:11 cgd Exp $ */
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/*
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* Copyright 2000, 2001, 2002
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* Broadcom Corporation. All rights reserved.
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*
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* This software is furnished under license and may be used and copied only
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* in accordance with the following terms and conditions. Subject to these
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* conditions, you may download, copy, install, use, modify and distribute
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* modified or unmodified copies of this software in source and/or binary
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* form. No title or ownership is transferred hereby.
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*
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* 1) Any source code used, modified or distributed must reproduce and
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* retain this copyright notice and list of conditions as they appear in
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* the source file.
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*
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* 2) No right is granted to use any trade name, trademark, or logo of
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* Broadcom Corporation. The "Broadcom Corporation" name may not be
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* used to endorse or promote products derived from this software
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* without the prior written permission of Broadcom Corporation.
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*
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* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
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* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
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* FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
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* LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* *********************************************************************
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*
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* Broadcom Common Firmware Environment (CFE)
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*
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* Device function prototypes File: cfe_api.h
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*
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* This file contains declarations for doing callbacks to
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* cfe from an application. It should be the only header
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* needed by the application to use this library
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*
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* Authors: Mitch Lichtenberg, Chris Demetriou
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*
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********************************************************************* */
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#ifndef CFE_API_H
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#define CFE_API_H
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/*
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* Apply customizations here for different OSes. These need to:
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* * typedef uint64_t, int64_t, intptr_t, uintptr_t.
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* * define cfe_strlen() if use of an existing function is desired.
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* * define CFE_API_IMPL_NAMESPACE if API functions are to use
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* names in the implementation namespace.
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* Also, optionally, if the build environment does not do so automatically,
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* CFE_API_* can be defined here as desired.
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*/
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/* Begin customization. */
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#include <stdint.h>
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#include <string.h>
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#define cfe_strlen(s) strlen(s)
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#define CFE_API_ALL
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#define CFE_API_IMPL_NAMESPACE
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/* Return the stack size to be used for the program. Normally 32KB. The
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normal memory allocator uses the bottom of the stack as its heap limit,
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so if your application uses a lot of stack space define this function
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appropriately to keep the heap from growing into the stack. */
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unsigned long __libcfe_stack_size(void) __attribute__((__weak__));
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/* Return the (max address + 1) to be used by this program. (This address
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minus '_end' is used as the heap size, so the address should be in the
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same address space segments as _end. The normal memory allocator
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queries CFE to determine the available memory. */
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void *__libcfe_mem_limit(void) __attribute__((__weak__));
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/* If the configuration ability provided by __libcfe_mem_limit() and
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__libcfe_stack_size() do not provide enough flexibility for your
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application's memory allocation needs, you can replace the normal
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low-level allocator by providing the functions listed below and
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also the function:
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void *sbrk(ptrdiff_t incr);
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If you provide any of these functions, you should provide all three,
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and be sure to link them into your application as a .o file (rather
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than a .a).
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__libcfe_meminit() is responsible for initializing the low-level
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memory allocator.
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__libcfe_stack_top() returns a pointer to the top (highest address;
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the stack grows down from that address) of the stack to be used by
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the program. */
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void __libcfe_meminit (void);
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void *__libcfe_stack_top (void);
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/* End customization. */
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/* *********************************************************************
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* Constants
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********************************************************************* */
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/* Seal indicating CFE's presence, passed to user program. */
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#define CFE_EPTSEAL 0x43464531
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#define CFE_MI_RESERVED 0 /* memory is reserved, do not use */
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#define CFE_MI_AVAILABLE 1 /* memory is available */
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#define CFE_FLG_WARMSTART 0x00000001
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#define CFE_FLG_FULL_ARENA 0x00000001
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#define CFE_FLG_ENV_PERMANENT 0x00000001
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#define CFE_CPU_CMD_START 1
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#define CFE_CPU_CMD_STOP 0
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#define CFE_STDHANDLE_CONSOLE 0
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#define CFE_DEV_NETWORK 1
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#define CFE_DEV_DISK 2
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#define CFE_DEV_FLASH 3
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#define CFE_DEV_SERIAL 4
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#define CFE_DEV_CPU 5
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#define CFE_DEV_NVRAM 6
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#define CFE_DEV_CLOCK 7
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#define CFE_DEV_OTHER 8
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#define CFE_DEV_MASK 0x0F
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#define CFE_CACHE_FLUSH_D 1
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#define CFE_CACHE_INVAL_I 2
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#define CFE_CACHE_INVAL_D 4
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#define CFE_CACHE_INVAL_L2 8
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#define CFE_FWI_64BIT 0x00000001
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#define CFE_FWI_32BIT 0x00000002
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#define CFE_FWI_RELOC 0x00000004
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#define CFE_FWI_UNCACHED 0x00000008
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#define CFE_FWI_MULTICPU 0x00000010
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#define CFE_FWI_FUNCSIM 0x00000020
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#define CFE_FWI_RTLSIM 0x00000040
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typedef struct {
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int64_t fwi_version; /* major, minor, eco version */
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int64_t fwi_totalmem; /* total installed mem */
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int64_t fwi_flags; /* various flags */
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int64_t fwi_boardid; /* board ID */
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int64_t fwi_bootarea_va; /* VA of boot area */
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int64_t fwi_bootarea_pa; /* PA of boot area */
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int64_t fwi_bootarea_size; /* size of boot area */
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} cfe_fwinfo_t;
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/*
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* cfe_strlen is handled specially: If already defined, it has been
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* overridden in this environment with a standard strlen-like function.
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*/
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#ifdef cfe_strlen
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# define CFE_API_STRLEN_CUSTOM
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#else
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# ifdef CFE_API_IMPL_NAMESPACE
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# define cfe_strlen(a) __cfe_strlen(a)
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# endif
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int cfe_strlen(char *name);
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#endif
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/*
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* Defines and prototypes for functions which take no arguments.
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*/
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#ifdef CFE_API_IMPL_NAMESPACE
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int64_t __cfe_getticks(void);
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#define cfe_getticks() __cfe_getticks()
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#else
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int64_t cfe_getticks(void);
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#endif
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/*
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* Defines and prototypes for the rest of the functions.
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*/
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#ifdef CFE_API_IMPL_NAMESPACE
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#define cfe_close(a) __cfe_close(a)
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#define cfe_cpu_start(a,b,c,d,e) __cfe_cpu_start(a,b,c,d,e)
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#define cfe_cpu_stop(a) __cfe_cpu_stop(a)
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#define cfe_enumenv(a,b,d,e,f) __cfe_enumenv(a,b,d,e,f)
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#define cfe_enummem(a,b,c,d,e) __cfe_enummem(a,b,c,d,e)
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#define cfe_exit(a,b) __cfe_exit(a,b)
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#define cfe_flushcache(a) __cfe_cacheflush(a)
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#define cfe_getdevinfo(a) __cfe_getdevinfo(a)
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#define cfe_getenv(a,b,c) __cfe_getenv(a,b,c)
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#define cfe_getfwinfo(a) __cfe_getfwinfo(a)
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#define cfe_getstdhandle(a) __cfe_getstdhandle(a)
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#define cfe_init(a,b) __cfe_init(a,b)
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#define cfe_inpstat(a) __cfe_inpstat(a)
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#define cfe_ioctl(a,b,c,d,e,f) __cfe_ioctl(a,b,c,d,e,f)
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#define cfe_open(a) __cfe_open(a)
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#define cfe_read(a,b,c) __cfe_read(a,b,c)
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#define cfe_readblk(a,b,c,d) __cfe_readblk(a,b,c,d)
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#define cfe_setenv(a,b) __cfe_setenv(a,b)
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#define cfe_write(a,b,c) __cfe_write(a,b,c)
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#define cfe_writeblk(a,b,c,d) __cfe_writeblk(a,b,c,d)
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#endif /* CFE_API_IMPL_NAMESPACE */
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int cfe_close(int handle);
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int cfe_cpu_start(int cpu, void (*fn)(void), long sp, long gp, long a1);
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int cfe_cpu_stop(int cpu);
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int cfe_enumenv(int idx, char *name, int namelen, char *val, int vallen);
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int cfe_enummem(int idx, int flags, uint64_t *start, uint64_t *length,
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uint64_t *type);
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int cfe_exit(int warm,int status);
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int cfe_flushcache(int flg);
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int cfe_getdevinfo(char *name);
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int cfe_getenv(char *name, char *dest, int destlen);
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int cfe_getfwinfo(cfe_fwinfo_t *info);
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int cfe_getstdhandle(int flg);
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int cfe_init(uint64_t handle,uint64_t ept);
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int cfe_inpstat(int handle);
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int cfe_ioctl(int handle, unsigned int ioctlnum, unsigned char *buffer,
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int length, int *retlen, uint64_t offset);
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int cfe_open(char *name);
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int cfe_read(int handle, unsigned char *buffer, int length);
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int cfe_readblk(int handle, int64_t offset, unsigned char *buffer, int length);
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int cfe_setenv(char *name, char *val);
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int cfe_write(int handle, unsigned char *buffer, int length);
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int cfe_writeblk(int handle, int64_t offset, unsigned char *buffer,
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int length);
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#endif /* CFE_API_H */
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