diff options
| -rw-r--r-- | board/xilinx/common/board.c | 40 | ||||
| -rw-r--r-- | boot/pxe_utils.c | 34 | ||||
| -rw-r--r-- | cmd/kaslrseed.c | 49 |
3 files changed, 8 insertions, 115 deletions
diff --git a/board/xilinx/common/board.c b/board/xilinx/common/board.c index b47d2d23f91..098738017ba 100644 --- a/board/xilinx/common/board.c +++ b/board/xilinx/common/board.c @@ -702,11 +702,6 @@ phys_addr_t board_get_usable_ram_top(phys_size_t total_size) #define MAX_RAND_SIZE 8 int ft_board_setup(void *blob, struct bd_info *bd) { - size_t n = MAX_RAND_SIZE; - struct udevice *dev; - u8 buf[MAX_RAND_SIZE]; - int nodeoffset, ret; - static const struct node_info nodes[] = { { "arm,pl353-nand-r2p1", MTD_DEV_TYPE_NAND, }, }; @@ -714,41 +709,6 @@ int ft_board_setup(void *blob, struct bd_info *bd) if (IS_ENABLED(CONFIG_FDT_FIXUP_PARTITIONS) && IS_ENABLED(CONFIG_NAND_ZYNQ)) fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); - if (uclass_get_device(UCLASS_RNG, 0, &dev) || !dev) { - debug("No RNG device\n"); - return 0; - } - - if (dm_rng_read(dev, buf, n)) { - debug("Reading RNG failed\n"); - return 0; - } - - if (!blob) { - debug("No FDT memory address configured. Please configure\n" - "the FDT address via \"fdt addr <address>\" command.\n" - "Aborting!\n"); - return 0; - } - - ret = fdt_check_header(blob); - if (ret < 0) { - debug("fdt_chosen: %s\n", fdt_strerror(ret)); - return ret; - } - - nodeoffset = fdt_find_or_add_subnode(blob, 0, "chosen"); - if (nodeoffset < 0) { - debug("Reading chosen node failed\n"); - return nodeoffset; - } - - ret = fdt_setprop(blob, nodeoffset, "kaslr-seed", buf, sizeof(buf)); - if (ret < 0) { - debug("Unable to set kaslr-seed on chosen node: %s\n", fdt_strerror(ret)); - return ret; - } - return 0; } #endif diff --git a/boot/pxe_utils.c b/boot/pxe_utils.c index 5c1c962ff4c..38ca9b81a42 100644 --- a/boot/pxe_utils.c +++ b/boot/pxe_utils.c @@ -324,10 +324,6 @@ static void label_boot_kaslrseed(void) #if CONFIG_IS_ENABLED(DM_RNG) ulong fdt_addr; struct fdt_header *working_fdt; - size_t n = 0x8; - struct udevice *dev; - u64 *buf; - int nodeoffset; int err; /* Get the main fdt and map it */ @@ -343,35 +339,7 @@ static void label_boot_kaslrseed(void) if (err <= 0) return; - if (uclass_get_device(UCLASS_RNG, 0, &dev) || !dev) { - printf("No RNG device\n"); - return; - } - - nodeoffset = fdt_find_or_add_subnode(working_fdt, 0, "chosen"); - if (nodeoffset < 0) { - printf("Reading chosen node failed\n"); - return; - } - - buf = malloc(n); - if (!buf) { - printf("Out of memory\n"); - return; - } - - if (dm_rng_read(dev, buf, n)) { - printf("Reading RNG failed\n"); - goto err; - } - - err = fdt_setprop(working_fdt, nodeoffset, "kaslr-seed", buf, sizeof(buf)); - if (err < 0) { - printf("Unable to set kaslr-seed on chosen node: %s\n", fdt_strerror(err)); - goto err; - } -err: - free(buf); + fdt_kaslrseed(working_fdt, true); #endif return; } diff --git a/cmd/kaslrseed.c b/cmd/kaslrseed.c index 9acb8e16386..645cab2e74f 100644 --- a/cmd/kaslrseed.c +++ b/cmd/kaslrseed.c @@ -16,56 +16,21 @@ static int do_kaslr_seed(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { - size_t n = 0x8; - struct udevice *dev; - u64 *buf; - int nodeoffset; - int ret = CMD_RET_SUCCESS; + int err = CMD_RET_SUCCESS; - if (uclass_get_device(UCLASS_RNG, 0, &dev) || !dev) { - printf("No RNG device\n"); - return CMD_RET_FAILURE; - } - - buf = malloc(n); - if (!buf) { - printf("Out of memory\n"); - return CMD_RET_FAILURE; - } - - if (dm_rng_read(dev, buf, n)) { - printf("Reading RNG failed\n"); - return CMD_RET_FAILURE; - } + printf("Notice: a /chosen/kaslr-seed is automatically added to the device-tree when booted via booti/bootm/bootz therefore using this command is likely no longer needed\n"); if (!working_fdt) { printf("No FDT memory address configured. Please configure\n" "the FDT address via \"fdt addr <address>\" command.\n" "Aborting!\n"); - return CMD_RET_FAILURE; - } - - ret = fdt_check_header(working_fdt); - if (ret < 0) { - printf("fdt_chosen: %s\n", fdt_strerror(ret)); - return CMD_RET_FAILURE; - } - - nodeoffset = fdt_find_or_add_subnode(working_fdt, 0, "chosen"); - if (nodeoffset < 0) { - printf("Reading chosen node failed\n"); - return CMD_RET_FAILURE; + err = CMD_RET_FAILURE; + } else { + if (fdt_kaslrseed(working_fdt, true) < 0) + err = CMD_RET_FAILURE; } - ret = fdt_setprop(working_fdt, nodeoffset, "kaslr-seed", buf, sizeof(buf)); - if (ret < 0) { - printf("Unable to set kaslr-seed on chosen node: %s\n", fdt_strerror(ret)); - return CMD_RET_FAILURE; - } - - free(buf); - - return ret; + return cmd_process_error(cmdtp, err); } U_BOOT_LONGHELP(kaslrseed, |