diff options
Diffstat (limited to 'arch/sandbox/lib')
| -rw-r--r-- | arch/sandbox/lib/Makefile | 8 | ||||
| -rw-r--r-- | arch/sandbox/lib/common.c | 414 | ||||
| -rw-r--r-- | arch/sandbox/lib/tap.c | 68 |
3 files changed, 0 insertions, 490 deletions
diff --git a/arch/sandbox/lib/Makefile b/arch/sandbox/lib/Makefile index 418f4d3427..436fd0d3e0 100644 --- a/arch/sandbox/lib/Makefile +++ b/arch/sandbox/lib/Makefile @@ -2,11 +2,3 @@ CPPFLAGS_u-boot.lds = -U$(SUBARCH) -DELF_ARCH=$(ELF_ARCH) \ -DELF_FORMAT="$(ELF_FORMAT)" extra-y += u-boot.lds - -CPPFLAGS := -I/usr/include -Iinclude -P -CFLAGS := -Wall -#NOSTDINC_FLAGS := - -obj-y = common.o tap.o - -USER_OBJS := common.o diff --git a/arch/sandbox/lib/common.c b/arch/sandbox/lib/common.c deleted file mode 100644 index bc90bf9351..0000000000 --- a/arch/sandbox/lib/common.c +++ /dev/null @@ -1,414 +0,0 @@ -/* - * common.c - common wrapper functions between U-Boot and the host - * - * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/** - * @file - * @brief Common wrapper functions between U-Boot and the host - */ -/* - * These are host includes. Never include any U-Boot header - * files here... - */ -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <termios.h> -#include <unistd.h> -#include <fcntl.h> -#include <time.h> -#include <getopt.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <string.h> -#include <libgen.h> -#include <sys/mman.h> -#include <errno.h> -#include <signal.h> -#include <sys/select.h> -/* - * ...except the ones needed to connect with U-Boot - */ -#include <asm/arch/linux.h> -#include <asm/arch/hostfile.h> - -static struct termios term_orig, term_vi; -static char erase_char; /* the users erase character */ - -static void rawmode(void) -{ - tcgetattr(0, &term_orig); - term_vi = term_orig; - term_vi.c_lflag &= (~ICANON & ~ECHO & ~ISIG); - term_vi.c_iflag &= (~IXON & ~ICRNL); - term_vi.c_oflag |= (ONLCR); - term_vi.c_cc[VMIN] = 1; - term_vi.c_cc[VTIME] = 0; - erase_char = term_vi.c_cc[VERASE]; - tcsetattr(0, TCSANOW, &term_vi); -} - -static void cookmode(void) -{ - fflush(stdout); - tcsetattr(0, TCSANOW, &term_orig); -} - -void linux_putc(const char c) -{ - fputc(c, stdout); - - /* If \n, also do \r */ - if (c == '\n') - linux_putc ('\r'); - - fflush(stdout); -} - -int linux_tstc(int fd) -{ - struct timeval tv = { - .tv_usec = 100, - }; - fd_set rfds; - int ret; - - FD_ZERO(&rfds); - FD_SET(fd, &rfds); - - /* - * We set the timeout here to 100us, because otherwise - * U-Boot would eat all cpu resources while waiting - * for input. - */ - ret = select(fd + 1, &rfds, NULL, NULL, &tv); - - if (ret) - return 1; - - return 0; -} - -int ctrlc(void) -{ - char chr; - - if (linux_read_nonblock(0, &chr, 1) == 1 && chr == 3) - return 1; - return 0; -} - -int linux_getc(void) -{ - char ret; - - read(0, &ret, 1); - - return ret; -} - -uint64_t linux_get_time(void) -{ - struct timespec ts; - uint64_t now; - - clock_gettime(CLOCK_MONOTONIC, &ts); - - now = ts.tv_sec * 1000 * 1000 * 1000 + ts.tv_nsec; - - return now; -} - -int reset_cpu(int unused) -{ - cookmode(); - exit(0); -} - -void enable_interrupts(void) -{ -} - -void disable_interrupt(void) -{ -} - -int linux_read(int fd, void *buf, size_t count) -{ - ssize_t ret; - - if (count == 0) - return 0; - - do { - ret = read(fd, buf, count); - - if (ret == 0) { - printf("read on fd %d returned 0, device gone? - exiting\n", fd); - reset_cpu(0); - } else if (ret == -1) { - if (errno == EAGAIN) - return -errno; - else if (errno == EINTR) - continue; - else { - printf("read on fd %d returned -1, errno %d - exiting\n", fd, errno); - reset_cpu(0); - } - } - } while (ret <= 0); - - return (int)ret; -} - -int linux_read_nonblock(int fd, void *buf, size_t count) -{ - int oldflags, ret; - - oldflags = fcntl(fd, F_GETFL); - if (oldflags == -1) - goto err_out; - - if (fcntl(fd, F_SETFL, oldflags | O_NONBLOCK) == -1) - goto err_out; - - ret = linux_read(fd, buf, count); - - if (fcntl(fd, F_SETFL, oldflags) == -1) - goto err_out; - - return ret; - -err_out: - perror("fcntl"); - return -1; -} - -ssize_t linux_write(int fd, const void *buf, size_t count) -{ - return write(fd, buf, count); -} - -off_t linux_lseek(int fd, off_t offset) -{ - return lseek(fd, offset, SEEK_SET); -} - -void flush_cache(unsigned long dummy1, unsigned long dummy2) -{ - /* why should we? */ -} - -extern void start_uboot(void); -extern void mem_malloc_init(void *start, void *end); - -static int add_image(char *str, char *name_template) -{ - char *file; - int readonly = 0, map = 1; - struct stat s; - char *opt; - int fd, ret; - struct hf_platform_data *hf = malloc(sizeof(struct hf_platform_data)); - - if (!hf) - return -1; - - file = strtok(str, ","); - while ((opt = strtok(NULL, ","))) { - if (!strcmp(opt, "ro")) - readonly = 1; - if (!strcmp(opt, "map")) - map = 1; - } - - printf("add file %s(%s)\n", file, readonly ? "ro" : ""); - - fd = open(file, readonly ? O_RDONLY : O_RDWR); - hf->fd = fd; - hf->filename = file; - - if (fd < 0) { - perror("open"); - goto err_out; - } - - if (fstat(fd, &s)) { - perror("fstat"); - goto err_out; - } - - hf->size = s.st_size; - - if (map) { - hf->map_base = (unsigned long)mmap(NULL, hf->size, - PROT_READ | (readonly ? 0 : PROT_WRITE), - MAP_SHARED, fd, 0); - if ((void *)hf->map_base == MAP_FAILED) - printf("warning: mmapping %s failed\n", file); - } - - - ret = u_boot_register_filedev(hf, name_template); - if (ret) - goto err_out; - return 0; - -err_out: - if (fd > 0) - close(fd); - free(hf); - return -1; -} - -static void print_usage(const char*); - -int main(int argc, char *argv[]) -{ - void *ram; - int opt, ret, fd; - int malloc_size = 8 * 1024 * 1024; - - ram = malloc(malloc_size); - if (!ram) { - printf("unable to get malloc space\n"); - exit(1); - } - mem_malloc_init(ram, ram + malloc_size); - - while ((opt = getopt(argc, argv, "hi:e:I:O:")) != -1) { - switch (opt) { - case 'h': - print_usage(basename(argv[0])); - exit(0); - case 'i': - ret = add_image(optarg, "fd"); - if (ret) - exit(1); - break; - case 'm': - /* This option is broken. add_image needs malloc, so - * mem_alloc_init() has to be called before option - * parsing - */ - malloc_size = strtoul(optarg, NULL, 0); - break; - case 'e': - ret = add_image(optarg, "env"); - if (ret) - exit(1); - break; - case 'O': - fd = open(optarg, O_WRONLY); - if (fd < 0) { - perror("open"); - exit(1); - } - - u_boot_register_console("cout", -1, fd); - break; - case 'I': - fd = open(optarg, O_RDWR); - if (fd < 0) { - perror("open"); - exit(1); - } - - u_boot_register_console("cin", fd, -1); - break; - default: - exit(1); - } - } - - u_boot_register_console("console", fileno(stdin), fileno(stdout)); - - rawmode(); - start_uboot(); - - /* never reached */ - return 0; -} - -#ifdef __PPC__ -/* HACK: we need this symbol on PPC, better ask a PPC export about this :) */ -char _SDA_BASE_[4096]; -#endif - -static void print_usage(const char *prgname) -{ - printf( -"Usage: %s [OPTIONS]\n" -"Start U-Boot.\n" -"Options:\n" -" -i <file> Map a file to U-Boot. This option can be given multiple\n" -" times. The files will show up as /dev/fd0 ... /dev/fdx\n" -" under U-Boot.\n" -" -e <file> Map a file to U-Boot. With this option files are mapped as\n" -" /dev/env0 ... /dev/envx and thus are used as default\n" -" environment. An empty file generated with dd will do to get\n" -" started wth an empty environment\n" -" -O <file> Register file as a console capable of doing stdout. File can\n" -" be a regular file or a fifo.\n" -" -I <file> Register file as a console capable of doing stdin. File can\n" -" be a regular file or a fifo.\n", - prgname - ); -} - -/** - * @page uboot_simul U-Boot Simulator - * - * U-Boot can be run as a simulator on your host to check and debug new non - * hardware related features. - * - * @section simu_build How to build U-Boot for simulation - * - * @section simu_run How to run U-Boot simulator - * - * $ uboot [\<OPTIONS\>] - * - * Options can be: - * - * -i \<file\> - * - * Map a \<file\> to U-Boot. This option can be given multiple times. The \<file\>s - * will show up as /dev/fd0 ... /dev/fdx in the U-Boot simulator. - * - * -e \<file\> - * - * Map \<file\> to U-Boot. With this option \<file\>s are mapped as /dev/env0 ... - * /dev/envx and thus are used as default environment. A clean file generated - * with dd will do to get started with an empty environment - * - * -O \<file\> - * - * Register \<file\> as a console capable of doing stdout. \<file\> can be a - * regular file or a fifo. - * - * -I \<file\> - * - * Register \<file\> as a console capable of doing stdin. \<file\> can be a regular - * file or a fifo. - * - * @section simu_dbg How to debug U-Boot simulator - * - */ diff --git a/arch/sandbox/lib/tap.c b/arch/sandbox/lib/tap.c deleted file mode 100644 index ebd828b2b2..0000000000 --- a/arch/sandbox/lib/tap.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * tap.c - host side functions for tap driver - * - * Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <stdio.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sys/socket.h> -#include <linux/if.h> -#include <linux/if_tun.h> -#include <string.h> - -int tap_alloc(char *dev) -{ - struct ifreq ifr; - int fd, err; - - if ((fd = open("/dev/net/tun", O_RDWR)) < 0) { - perror("could not open /dev/net/tun"); - return -1; - } - - memset(&ifr, 0, sizeof(ifr)); - - /* Flags: IFF_TUN - TUN device (no Ethernet headers) - * IFF_TAP - TAP device - * - * IFF_NO_PI - Do not provide packet information - */ - ifr.ifr_flags = IFF_TAP | IFF_NO_PI; - if (*dev) - strncpy(ifr.ifr_name, dev, IFNAMSIZ); - - if ((err = ioctl(fd, TUNSETIFF, (void *)&ifr)) < 0) { - perror("could not get tap device"); - close(fd); - return err; - } - - strcpy(dev, ifr.ifr_name); - return fd; -} - -/** - * @file - * @brief Host side functions for tap driver - */ |