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/*
             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 ConfigDescriptor.c.
 */

#ifndef _CONFIGDESCRIPTOR_H_
#define _CONFIGDESCRIPTOR_H_

	/* Includes: */
		#include <LUFA/Drivers/USB/USB.h>

		#include "MissileLauncher.h"

	/* Macros: */
		/** Interface Class value for the Human Interface Device class. */
		#define HID_CLASS                 0x03

		/** Pipe address for the HID data IN pipe. */
		#define HID_DATA_IN_PIPE          (PIPE_DIR_IN  | 1)

		/** Pipe address for the HID data OUT pipe. */
		#define HID_DATA_OUT_PIPE         (PIPE_DIR_OUT | 2)

	/* Enums: */
		/** Enum for the possible return codes of the \ref ProcessConfigurationDescriptor() function. */
		enum GenericHIDHost_GetConfigDescriptorDataCodes_t
		{
			SuccessfulConfigRead            = 0, /**< Configuration Descriptor was processed successfully */
			ControlError                    = 1, /**< A control request to the device failed to complete successfully */
			DescriptorTooLarge              = 2, /**< The device's Configuration Descriptor is too large to process */
			InvalidConfigDataReturned       = 3, /**< The device returned an invalid Configuration Descriptor */
			NoCompatibleInterfaceFound      = 4, /**< A compatible interface with the required endpoints was not found */
		};

	/* Function Prototypes: */
		uint8_t ProcessConfigurationDescriptor(void);

		uint8_t DComp_NextHIDInterface(void* CurrentDescriptor);
		uint8_t DComp_NextHIDInterfaceDataEndpoint(void* CurrentDescriptor);

#endif
by 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. */ #include "vl.h" #include "disas.h" /* return the size or -1 if error */ int get_image_size(const char *filename) { int fd, size; fd = open(filename, O_RDONLY | O_BINARY); if (fd < 0) return -1; size = lseek(fd, 0, SEEK_END); close(fd); return size; } /* return the size or -1 if error */ int load_image(const char *filename, uint8_t *addr) { int fd, size; fd = open(filename, O_RDONLY | O_BINARY); if (fd < 0) return -1; size = lseek(fd, 0, SEEK_END); lseek(fd, 0, SEEK_SET); if (read(fd, addr, size) != size) { close(fd); return -1; } close(fd); return size; } /* A.OUT loader */ struct exec { uint32_t a_info; /* Use macros N_MAGIC, etc for access */ uint32_t a_text; /* length of text, in bytes */ uint32_t a_data; /* length of data, in bytes */ uint32_t a_bss; /* length of uninitialized data area, in bytes */ uint32_t a_syms; /* length of symbol table data in file, in bytes */ uint32_t a_entry; /* start address */ uint32_t a_trsize; /* length of relocation info for text, in bytes */ uint32_t a_drsize; /* length of relocation info for data, in bytes */ }; #ifdef BSWAP_NEEDED static void bswap_ahdr(struct exec *e) { bswap32s(&e->a_info); bswap32s(&e->a_text); bswap32s(&e->a_data); bswap32s(&e->a_bss); bswap32s(&e->a_syms); bswap32s(&e->a_entry); bswap32s(&e->a_trsize); bswap32s(&e->a_drsize); } #else #define bswap_ahdr(x) do { } while (0) #endif #define N_MAGIC(exec) ((exec).a_info & 0xffff) #define OMAGIC 0407 #define NMAGIC 0410 #define ZMAGIC 0413 #define QMAGIC 0314 #define _N_HDROFF(x) (1024 - sizeof (struct exec)) #define N_TXTOFF(x) \ (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \ (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec))) #define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? TARGET_PAGE_SIZE : 0) #define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text) #define _N_SEGMENT_ROUND(x) (((x) + TARGET_PAGE_SIZE - 1) & ~(TARGET_PAGE_SIZE - 1)) #define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) #define N_DATADDR(x) \ (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x)) \ : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x)))) int load_aout(const char *filename, uint8_t *addr) { int fd, size, ret; struct exec e; uint32_t magic; fd = open(filename, O_RDONLY | O_BINARY); if (fd < 0) return -1; size = read(fd, &e, sizeof(e)); if (size < 0) goto fail; bswap_ahdr(&e); magic = N_MAGIC(e); switch (magic) { case ZMAGIC: case QMAGIC: case OMAGIC: lseek(fd, N_TXTOFF(e), SEEK_SET); size = read(fd, addr, e.a_text + e.a_data); if (size < 0) goto fail; break; case NMAGIC: lseek(fd, N_TXTOFF(e), SEEK_SET); size = read(fd, addr, e.a_text); if (size < 0) goto fail; ret = read(fd, addr + N_DATADDR(e), e.a_data); if (ret < 0) goto fail; size += ret; break; default: goto fail; } close(fd); return size; fail: close(fd); return -1; } /* ELF loader */ static void *load_at(int fd, int offset, int size) { void *ptr; if (lseek(fd, offset, SEEK_SET) < 0) return NULL; ptr = qemu_malloc(size); if (!ptr) return NULL; if (read(fd, ptr, size) != size) { qemu_free(ptr); return NULL; } return ptr; } #define ELF_CLASS ELFCLASS32 #include "elf.h" #define SZ 32 #define elf_word uint32_t #define bswapSZs bswap32s #include "elf_ops.h" #undef elfhdr #undef elf_phdr #undef elf_shdr #undef elf_sym #undef elf_note #undef elf_word #undef bswapSZs #undef SZ #define elfhdr elf64_hdr #define elf_phdr elf64_phdr #define elf_note elf64_note #define elf_shdr elf64_shdr #define elf_sym elf64_sym #define elf_word uint64_t #define bswapSZs bswap64s #define SZ 64 #include "elf_ops.h" /* return < 0 if error, otherwise the number of bytes loaded in memory */ int load_elf(const char *filename, int64_t virt_to_phys_addend, uint64_t *pentry) { int fd, data_order, must_swab, ret; uint8_t e_ident[EI_NIDENT]; fd = open(filename, O_RDONLY | O_BINARY); if (fd < 0) { perror(filename); return -1; } if (read(fd, e_ident, sizeof(e_ident)) != sizeof(e_ident)) goto fail; if (e_ident[0] != ELFMAG0 || e_ident[1] != ELFMAG1 || e_ident[2] != ELFMAG2 || e_ident[3] != ELFMAG3) goto fail; #ifdef WORDS_BIGENDIAN data_order = ELFDATA2MSB; #else data_order = ELFDATA2LSB; #endif must_swab = data_order != e_ident[EI_DATA]; lseek(fd, 0, SEEK_SET); if (e_ident[EI_CLASS] == ELFCLASS64) { ret = load_elf64(fd, virt_to_phys_addend, must_swab, pentry); } else { ret = load_elf32(fd, virt_to_phys_addend, must_swab, pentry); } close(fd); return ret; fail: close(fd); return -1; }