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 --- cmd/blk_common.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/cmd/blk_common.c b/cmd/blk_common.c index 75a072caf5..9f9d4327a9 100644 --- a/cmd/blk_common.c +++ b/cmd/blk_common.c @@ -11,6 +11,7 @@ #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) @@ -63,31 +64,37 @@ int blk_common_cmd(int argc, char *const argv[], enum uclass_id uclass_id,
default: /* at least 4 args */ if (strcmp(argv[1], "read") == 0) { - ulong addr = hextoul(argv[2], NULL); + 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, - (ulong *)addr); + 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) { - ulong addr = hextoul(argv[2], NULL); + 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, - (ulong *)addr); + vaddr); + unmap_sysmem(vaddr);
printf("%ld blocks written: %s\n", n, n == cnt ? "OK" : "ERROR");