x86: qemu: Report high memory in the E820 table

[oweals/u-boot.git] / cmd / fat.c

diff --git a/cmd/fat.c b/cmd/fat.c
index 4e207462d93e9a1301d32b2a379e29149251a351..4b9a7eaab05499c017e164c41cbdc492e7026f55 100644 (file)
--- a/cmd/fat.c
+++ b/cmd/fat.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2002
  * Richard Jones, rjones@nexus-tech.net
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /*
@@ -105,6 +104,7 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
        int ret;
        unsigned long addr;
        unsigned long count;
+       long offset;
        struct blk_desc *dev_desc = NULL;
        disk_partition_t info;
        int dev = 0;
@@ -126,10 +126,12 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
                return 1;
        }
        addr = simple_strtoul(argv[3], NULL, 16);
-       count = simple_strtoul(argv[5], NULL, 16);
+       count = (argc <= 5) ? 0 : simple_strtoul(argv[5], NULL, 16);
+       /* offset should be a hex, but "-1" is allowed */
+       offset = (argc <= 6) ? 0 : simple_strtol(argv[6], NULL, 16);
 
        buf = map_sysmem(addr, count);
-       ret = file_fat_write(argv[4], buf, 0, count, &size);
+       ret = file_fat_write(argv[4], buf, offset, count, &size);
        unmap_sysmem(buf);
        if (ret < 0) {
                printf("\n** Unable to write \"%s\" from %s %d:%d **\n",
@@ -143,10 +145,35 @@ static int do_fat_fswrite(cmd_tbl_t *cmdtp, int flag,
 }
 
 U_BOOT_CMD(
-       fatwrite,       6,      0,      do_fat_fswrite,
+       fatwrite,       7,      0,      do_fat_fswrite,
        "write file into a dos filesystem",
-       "<interface> <dev[:part]> <addr> <filename> <bytes>\n"
+       "<interface> <dev[:part]> <addr> <filename> [<bytes> [<offset>]]\n"
        "    - write file 'filename' from the address 'addr' in RAM\n"
        "      to 'dev' on 'interface'"
 );
+
+static int do_fat_rm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       return do_rm(cmdtp, flag, argc, argv, FS_TYPE_FAT);
+}
+
+U_BOOT_CMD(
+       fatrm,  4,      1,      do_fat_rm,
+       "delete a file",
+       "<interface> [<dev[:part]>] <filename>\n"
+       "    - delete a file from 'dev' on 'interface'"
+);
+
+static int do_fat_mkdir(cmd_tbl_t *cmdtp, int flag, int argc,
+                       char * const argv[])
+{
+       return do_mkdir(cmdtp, flag, argc, argv, FS_TYPE_FAT);
+}
+
+U_BOOT_CMD(
+       fatmkdir,       4,      1,      do_fat_mkdir,
+       "create a directory",
+       "<interface> [<dev[:part]>] <directory>\n"
+       "    - create a directory in 'dev' on 'interface'"
+);
 #endif