[U-Boot] [PATCH 1/3] cmd: cramfs: use map_sysmem for sandbox support

[Tyler Hall]

As with most other commands, this needs to factor in the sysmem offset
in the sandbox or it will try to dereference the simulated physical
address directly.

Signed-off-by: Tyler Hall <tylerwhall at gmail.com>
---
 cmd/cramfs.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/cmd/cramfs.c b/cmd/cramfs.c
index 965ca4e60d..34be8554a7 100644
--- a/cmd/cramfs.c
+++ b/cmd/cramfs.c
@@ -18,6 +18,7 @@
 #include <jffs2/jffs2.h>
 #include <jffs2/load_kernel.h>
 #include <cramfs/cramfs_fs.h>
+#include <asm/io.h>
 
 /* enable/disable debugging messages */
 #define	DEBUG_CRAMFS
@@ -95,6 +96,7 @@ int do_cramfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	char *filename;
 	int size;
 	ulong offset = load_addr;
+	char *offset_virt;
 
 	struct part_info part;
 	struct mtd_device dev;
@@ -111,7 +113,7 @@ int do_cramfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	dev.id = &id;
 	part.dev = &dev;
 	/* fake the address offset */
-	part.offset = addr - OFFSET_ADJUSTMENT;
+	part.offset = (u64) map_sysmem(addr - OFFSET_ADJUSTMENT, 0);
 
 	/* pre-set Boot file name */
 	if ((filename = getenv("bootfile")) == NULL) {
@@ -127,9 +129,10 @@ int do_cramfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		filename = argv[2];
 	}
 
+	offset_virt = map_sysmem(offset, 0);
 	size = 0;
 	if (cramfs_check(&part))
-		size = cramfs_load ((char *) offset, &part, filename);
+		size = cramfs_load (offset_virt, &part, filename);
 
 	if (size > 0) {
 		printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
@@ -139,6 +142,9 @@ int do_cramfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size, filename);
 	}
 
+	unmap_sysmem(offset_virt);
+	unmap_sysmem((void *)part.offset);
+
 	return !(size > 0);
 }
 
@@ -172,7 +178,7 @@ int do_cramfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	dev.id = &id;
 	part.dev = &dev;
 	/* fake the address offset */
-	part.offset = addr - OFFSET_ADJUSTMENT;
+	part.offset = (u64) map_sysmem(addr - OFFSET_ADJUSTMENT, 0);
 
 	if (argc == 2)
 		filename = argv[1];
@@ -180,6 +186,7 @@ int do_cramfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	ret = 0;
 	if (cramfs_check(&part))
 		ret = cramfs_ls (&part, filename);
+	unmap_sysmem((void *)part.offset);
 
 	return ret ? 0 : 1;
 }
-- 
2.12.0