/* * Generic thunking code to convert data between host and target CPU * * Copyright (c) 2003 Fabrice Bellard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include "qemu.h" #include "thunk.h" //#define DEBUG #define MAX_STRUCTS 128 /* XXX: make it dynamic */ StructEntry struct_entries[MAX_STRUCTS]; static inline const argtype *thunk_type_next(const argtype *type_ptr) { int type; type = *type_ptr++; switch(type) { case TYPE_CHAR: case TYPE_SHORT: case TYPE_INT: case TYPE_LONGLONG: case TYPE_ULONGLONG: case TYPE_LONG: case TYPE_ULONG: case TYPE_PTRVOID: return type_ptr; case TYPE_PTR: return thunk_type_next(type_ptr); case TYPE_ARRAY: return thunk_type_next(type_ptr + 1); case TYPE_STRUCT: return type_ptr + 1; default: return NULL; } } void thunk_register_struct(int id, const char *name, const argtype *types) { const argtype *type_ptr; StructEntry *se; int nb_fields, offset, max_align, align, size, i, j; se = struct_entries + id; /* first we count the number of fields */ type_ptr = types; nb_fields = 0; while (*type_ptr != TYPE_NULL) { type_ptr = thunk_type_next(type_ptr); nb_fields++; } se->field_types = types; se->nb_fields = nb_fields; se->name = name; #ifdef DEBUG printf("struct %s: id=%d nb_fields=%d\n", se->name, id, se->nb_fields); #endif /* now we can alloc the data */ for(i = 0;i < 2; i++) { offset = 0; max_align = 1; se->field_offsets[i] = malloc(nb_fields * sizeof(int)); type_ptr = se->field_types; for(j = 0;j < nb_fields; j++) { size = thunk_type_size(type_ptr, i); align = thunk_type_align(type_ptr, i); offset = (offset + align - 1) & ~(align - 1); se->field_offsets[i][j] = offset; offset += size; if (align > max_align) max_align = align; type_ptr = thunk_type_next(type_ptr); } offset = (offset + max_align - 1) & ~(max_align - 1); se->size[i] = offset; se->align[i] = max_align; #ifdef DEBUG printf("%s: size=%d align=%d\n", i == THUNK_HOST ? "host" : "target", offset, max_align); #endif } } void thunk_register_struct_direct(int id, const char *name, StructEntry *se1) { StructEntry *se; se = struct_entries + id; *se = *se1; se->name = name; } /* now we can define the main conversion functions */ const argtype *thunk_convert(void *dst, const void *src, const argtype *type_ptr, int to_host) { int type; type = *type_ptr++; switch(type) { case TYPE_CHAR: *(uint8_t *)dst = *(uint8_t *)src; break; case TYPE_SHORT: *(uint16_t *)dst = tswap16(*(uint16_t *)src); break; case TYPE_INT: *(uint32_t *)dst = tswap32(*(uint32_t *)src); break; case TYPE_LONGLONG: case TYPE_ULONGLONG: *(uint64_t *)dst = tswap64(*(uint64_t *)src); break; #if HOST_LONG_BITS == 32 && TARGET_LONG_BITS == 32 case TYPE_LONG: case TYPE_ULONG: case TYPE_PTRVOID: *(uint32_t *)dst = tswap32(*(uint32_t *)src); break; #elif HOST_LONG_BITS == 64 && TARGET_LONG_BITS == 32 case TYPE_LONG: case TYPE_ULONG: case TYPE_PTRVOID: if (to_host) { *(uint64_t *)dst = tswap32(*(uint32_t *)src); } else { *(uint32_t *)dst = tswap32(*(uint64_t *)src & 0xffffffff); } break; #else #warning unsupported conversion #endif case TYPE_ARRAY: { int array_length, i, dst_size, src_size; const uint8_t *s; uint8_t *d; array_length = *type_ptr++; dst_size = thunk_type_size(type_ptr, to_host); src_size = thunk_type_size(type_ptr, 1 - to_host); d = dst; s = src; for(i = 0;i < array_length; i++) { thunk_convert(d, s, type_ptr, to_host); d += dst_size; s += src_size; } type_ptr = thunk_type_next(type_ptr); } break; case TYPE_STRUCT: { int i; const StructEntry *se; const uint8_t *s; uint8_t *d; const argtype *field_types; const int *dst_offsets, *src_offsets; se = struct_entries + *type_ptr++; if (se->convert[0] != NULL) { /* specific conversion is needed */ (*se->convert[to_host])(dst, src); } else { /* standard struct conversion */ field_types = se->field_types; dst_offsets = se->field_offsets[to_host]; src_offsets = se->field_offsets[1 - to_host]; d = dst; s = src; for(i = 0;i < se->nb_fields; i++) { field_types = thunk_convert(d + dst_offsets[i], s + src_offsets[i], field_types, to_host); } } } break; default: fprintf(stderr, "Invalid type 0x%x\n", type); break; } return type_ptr; } /* from em86 */ /* Utility function: Table-driven functions to translate bitmasks * between X86 and Alpha formats... */ unsigned int target_to_host_bitmask(unsigned int x86_mask, 
/*
             LUFA Library
     Copyright (C) Dean Camera, 2017.

  dean [at] fourwalledcubicle [dot] com
           www.lufa-lib.org
*/

/*
  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)

  Permission to use, copy, modify, distribute, and sell this
  software and its documentation for any purpose is hereby granted
  without fee, provided that the above copyright notice appear in
  all copies and that both that the copyright notice and this
  permission notice and warranty disclaimer appear in supporting
  documentation, and that the name of the author not be used in
  advertising or publicity pertaining to distribution of the
  software without specific, written prior permission.

  The author disclaims all warranties with regard to this
  software, including all implied warranties of merchantability
  and fitness.  In no event shall the author be liable for any
  special, indirect or consequential damages or any damages
  whatsoever resulting from loss of use, data or profits, whether
  in an action of contract, negligence or other tortious action,
  arising out of or in connection with the use or performance of
  this software.
*/

/** \file
 *
 *  Header file for HTTPServerApp.c.
 */

#ifndef _HTTPSERVER_APP_H_
#define _HTTPSERVER_APP_H_

	/* Includes: */
		#include <avr/pgmspace.h>
		#include <string.h>

		#include <LUFA/Version.h>

		#include "Config/AppConfig.h"

		#include <uip.h>
		#include <ff.h>

	/* Enums: */
		/** States for each HTTP connection to the webserver. */
		enum Webserver_States_t
		{
			WEBSERVER_STATE_OpenRequestedFile, /**< Currently opening requested file */
			WEBSERVER_STATE_SendResponseHeader, /**< Currently sending HTTP response headers to the client */
			WEBSERVER_STATE_SendData, /**< Currently sending HTTP page data to the client */
			WEBSERVER_STATE_Closing, /**< Ready to close the connection to the client */
			WEBSERVER_STATE_Closed, /**< Connection closed after all data sent */
		};

	/* Type Defines: */
		/** Type define for a MIME type handler. */
		typedef struct
		{
			char* Extension; /**< File extension (no leading '.' character) */
			char* MIMEType;  /**< Appropriate MIME type to send when the extension is encountered */
		} MIME_Type_t;

	/* Macros: */
		/** TCP listen port for incoming HTTP traffic. */
		#define HTTP_SERVER_PORT  80

	/* Function Prototypes: */
		void HTTPServerApp_Init(void);
		void HTTPServerApp_Callback(void);

		#if defined(INCLUDE_FROM_HTTPSERVERAPP_C)
			static void HTTPServerApp_OpenRequestedFile(void);
			static void HTTPServerApp_SendResponseHeader(void);
			static void HTTPServerApp_SendData(void);
		#endif

#endif
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