/*
* Copyright (c) 2011 The Chromium OS Authors.
- * 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 as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
+#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
+#include <stdio.h>
+#include <stdint.h>
#include <stdlib.h>
+#include <string.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
/* Operating System Interface */
+struct os_mem_hdr {
+ size_t length; /* number of bytes in the block */
+};
+
ssize_t os_read(int fd, void *buf, size_t count)
{
return read(fd, buf, count);
return close(fd);
}
+int os_unlink(const char *pathname)
+{
+ return unlink(pathname);
+}
+
void os_exit(int exit_code)
{
exit(exit_code);
void *os_malloc(size_t length)
{
- return mmap(NULL, length, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ struct os_mem_hdr *hdr;
+
+ hdr = mmap(NULL, length + sizeof(*hdr), PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (hdr == MAP_FAILED)
+ return NULL;
+ hdr->length = length;
+
+ return hdr + 1;
+}
+
+void os_free(void *ptr)
+{
+ struct os_mem_hdr *hdr = ptr;
+
+ hdr--;
+ if (ptr)
+ munmap(hdr, hdr->length + sizeof(*hdr));
+}
+
+void *os_realloc(void *ptr, size_t length)
+{
+ struct os_mem_hdr *hdr = ptr;
+ void *buf = NULL;
+
+ hdr--;
+ if (length != 0) {
+ buf = os_malloc(length);
+ if (!buf)
+ return buf;
+ if (ptr) {
+ if (length > hdr->length)
+ length = hdr->length;
+ memcpy(buf, ptr, length);
+ }
+ }
+ os_free(ptr);
+
+ return buf;
}
void os_usleep(unsigned long usec)
usleep(usec);
}
-u64 os_get_nsec(void)
+uint64_t __attribute__((no_instrument_function)) os_get_nsec(void)
{
#if defined(CLOCK_MONOTONIC) && defined(_POSIX_MONOTONIC_CLOCK)
struct timespec tp;
int os_parse_args(struct sandbox_state *state, int argc, char *argv[])
{
- struct sb_cmdline_option **sb_opt = __u_boot_sandbox_option_start;
+ struct sandbox_cmdline_option **sb_opt = __u_boot_sandbox_option_start;
size_t num_options = __u_boot_sandbox_option_count();
size_t i;
return 0;
}
+
+void os_dirent_free(struct os_dirent_node *node)
+{
+ struct os_dirent_node *next;
+
+ while (node) {
+ next = node->next;
+ free(node);
+ node = next;
+ }
+}
+
+int os_dirent_ls(const char *dirname, struct os_dirent_node **headp)
+{
+ struct dirent entry, *result;
+ struct os_dirent_node *head, *node, *next;
+ struct stat buf;
+ DIR *dir;
+ int ret;
+ char *fname;
+ int len;
+
+ *headp = NULL;
+ dir = opendir(dirname);
+ if (!dir)
+ return -1;
+
+ /* Create a buffer for the maximum filename length */
+ len = sizeof(entry.d_name) + strlen(dirname) + 2;
+ fname = malloc(len);
+ if (!fname) {
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ for (node = head = NULL;; node = next) {
+ ret = readdir_r(dir, &entry, &result);
+ if (ret || !result)
+ break;
+ next = malloc(sizeof(*node) + strlen(entry.d_name) + 1);
+ if (!next) {
+ os_dirent_free(head);
+ ret = -ENOMEM;
+ goto done;
+ }
+ strcpy(next->name, entry.d_name);
+ switch (entry.d_type) {
+ case DT_REG:
+ next->type = OS_FILET_REG;
+ break;
+ case DT_DIR:
+ next->type = OS_FILET_DIR;
+ break;
+ case DT_LNK:
+ next->type = OS_FILET_LNK;
+ break;
+ }
+ next->size = 0;
+ snprintf(fname, len, "%s/%s", dirname, next->name);
+ if (!stat(fname, &buf))
+ next->size = buf.st_size;
+ if (node)
+ node->next = next;
+ if (!head)
+ head = node;
+ }
+ *headp = head;
+
+done:
+ closedir(dir);
+ return ret;
+}
+
+const char *os_dirent_typename[OS_FILET_COUNT] = {
+ " ",
+ "SYM",
+ "DIR",
+ "???",
+};
+
+const char *os_dirent_get_typename(enum os_dirent_t type)
+{
+ if (type >= 0 && type < OS_FILET_COUNT)
+ return os_dirent_typename[type];
+
+ return os_dirent_typename[OS_FILET_UNKNOWN];
+}
+
+ssize_t os_get_filesize(const char *fname)
+{
+ struct stat buf;
+ int ret;
+
+ ret = stat(fname, &buf);
+ if (ret)
+ return ret;
+ return buf.st_size;
+}
+
+void os_putc(int ch)
+{
+ putchar(ch);
+}
+
+void os_puts(const char *str)
+{
+ while (*str)
+ os_putc(*str++);
+}
+
+int os_write_ram_buf(const char *fname)
+{
+ struct sandbox_state *state = state_get_current();
+ int fd, ret;
+
+ fd = open(fname, O_CREAT | O_WRONLY, 0777);
+ if (fd < 0)
+ return -ENOENT;
+ ret = write(fd, state->ram_buf, state->ram_size);
+ close(fd);
+ if (ret != state->ram_size)
+ return -EIO;
+
+ return 0;
+}
+
+int os_read_ram_buf(const char *fname)
+{
+ struct sandbox_state *state = state_get_current();
+ int fd, ret;
+ int size;
+
+ size = os_get_filesize(fname);
+ if (size < 0)
+ return -ENOENT;
+ if (size != state->ram_size)
+ return -ENOSPC;
+ fd = open(fname, O_RDONLY);
+ if (fd < 0)
+ return -ENOENT;
+
+ ret = read(fd, state->ram_buf, state->ram_size);
+ close(fd);
+ if (ret != state->ram_size)
+ return -EIO;
+
+ return 0;
+}
projects / karo-tx-uboot.git / blobdiff