Merge branch 'master' of git://git.denx.de/u-boot-arm

[platform/kernel/u-boot.git] / arch / sandbox / cpu / os.c

diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index 88dd371..725b505 100644 (file)
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -388,3 +388,53 @@ ssize_t os_get_filesize(const char *fname)
                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;
+}