mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 15:14:43 +00:00
3d2fc79714
Ensure that the memory destination/source addresses of block read/write operations are mapped in before access. Currently, this is only needed on sandbox builds. Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com> Reviewed-by: Simon Glass <sjg@chromium.org>
106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Handling of common block commands
|
|
*
|
|
* Copyright (c) 2017 Google, Inc
|
|
*
|
|
* (C) Copyright 2000-2011
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <blk.h>
|
|
#include <command.h>
|
|
#include <mapmem.h>
|
|
|
|
int blk_common_cmd(int argc, char *const argv[], enum uclass_id uclass_id,
|
|
int *cur_devnump)
|
|
{
|
|
const char *if_name = blk_get_uclass_name(uclass_id);
|
|
|
|
switch (argc) {
|
|
case 0:
|
|
case 1:
|
|
return CMD_RET_USAGE;
|
|
case 2:
|
|
if (strncmp(argv[1], "inf", 3) == 0) {
|
|
blk_list_devices(uclass_id);
|
|
return 0;
|
|
} else if (strncmp(argv[1], "dev", 3) == 0) {
|
|
if (blk_print_device_num(uclass_id, *cur_devnump)) {
|
|
printf("\nno %s devices available\n", if_name);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
return 0;
|
|
} else if (strncmp(argv[1], "part", 4) == 0) {
|
|
if (blk_list_part(uclass_id))
|
|
printf("\nno %s partition table available\n",
|
|
if_name);
|
|
return 0;
|
|
}
|
|
return CMD_RET_USAGE;
|
|
case 3:
|
|
if (strncmp(argv[1], "dev", 3) == 0) {
|
|
int dev = (int)dectoul(argv[2], NULL);
|
|
|
|
if (!blk_show_device(uclass_id, dev)) {
|
|
*cur_devnump = dev;
|
|
printf("... is now current device\n");
|
|
} else {
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
return 0;
|
|
} else if (strncmp(argv[1], "part", 4) == 0) {
|
|
int dev = (int)dectoul(argv[2], NULL);
|
|
|
|
if (blk_print_part_devnum(uclass_id, dev)) {
|
|
printf("\n%s device %d not available\n",
|
|
if_name, dev);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
return 0;
|
|
}
|
|
return CMD_RET_USAGE;
|
|
|
|
default: /* at least 4 args */
|
|
if (strcmp(argv[1], "read") == 0) {
|
|
phys_addr_t paddr = hextoul(argv[2], NULL);
|
|
lbaint_t blk = hextoul(argv[3], NULL);
|
|
ulong cnt = hextoul(argv[4], NULL);
|
|
void *vaddr;
|
|
ulong n;
|
|
|
|
printf("\n%s read: device %d block # "LBAFU", count %lu ... ",
|
|
if_name, *cur_devnump, blk, cnt);
|
|
|
|
vaddr = map_sysmem(paddr, 512 * cnt);
|
|
n = blk_read_devnum(uclass_id, *cur_devnump, blk, cnt,
|
|
vaddr);
|
|
unmap_sysmem(vaddr);
|
|
|
|
printf("%ld blocks read: %s\n", n,
|
|
n == cnt ? "OK" : "ERROR");
|
|
return n == cnt ? 0 : 1;
|
|
} else if (strcmp(argv[1], "write") == 0) {
|
|
phys_addr_t paddr = hextoul(argv[2], NULL);
|
|
lbaint_t blk = hextoul(argv[3], NULL);
|
|
ulong cnt = hextoul(argv[4], NULL);
|
|
void *vaddr;
|
|
ulong n;
|
|
|
|
printf("\n%s write: device %d block # "LBAFU", count %lu ... ",
|
|
if_name, *cur_devnump, blk, cnt);
|
|
|
|
vaddr = map_sysmem(paddr, 512 * cnt);
|
|
n = blk_write_devnum(uclass_id, *cur_devnump, blk, cnt,
|
|
vaddr);
|
|
unmap_sysmem(vaddr);
|
|
|
|
printf("%ld blocks written: %s\n", n,
|
|
n == cnt ? "OK" : "ERROR");
|
|
return n == cnt ? 0 : 1;
|
|
} else {
|
|
return CMD_RET_USAGE;
|
|
}
|
|
}
|
|
}
|