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Diffstat (limited to 'tests/overlay.c')
| -rw-r--r-- | tests/overlay.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/tests/overlay.c b/tests/overlay.c deleted file mode 100644 index 3093eec67a91..000000000000 --- a/tests/overlay.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * libfdt - Flat Device Tree manipulation - * Testcase for DT overlays() - * Copyright (C) 2016 Free Electrons - * Copyright (C) 2016 NextThing Co. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public License - * as published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdio.h> - -#include <libfdt.h> - -#include "tests.h" - -#define CHECK(code) \ - { \ - int err = (code); \ - if (err) \ - FAIL(#code ": %s", fdt_strerror(err)); \ - } - -/* 4k ought to be enough for anybody */ -#define FDT_COPY_SIZE (4 * 1024) - -static int fdt_getprop_u32_by_poffset(void *fdt, const char *path, - const char *name, int poffset, - unsigned long *out) -{ - const fdt32_t *val; - int node_off; - int len; - - node_off = fdt_path_offset(fdt, path); - if (node_off < 0) - return node_off; - - val = fdt_getprop(fdt, node_off, name, &len); - if (!val || (len < (sizeof(uint32_t) * (poffset + 1)))) - return -FDT_ERR_NOTFOUND; - - *out = fdt32_to_cpu(*(val + poffset)); - - return 0; -} - -static int check_getprop_string_by_name(void *fdt, const char *path, - const char *name, const char *val) -{ - int node_off; - - node_off = fdt_path_offset(fdt, path); - if (node_off < 0) - return node_off; - - check_getprop_string(fdt, node_off, name, val); - - return 0; -} - -static int check_getprop_u32_by_name(void *fdt, const char *path, - const char *name, uint32_t val) -{ - int node_off; - - node_off = fdt_path_offset(fdt, path); - CHECK(node_off < 0); - - check_getprop_cell(fdt, node_off, name, val); - - return 0; -} - -static int check_getprop_null_by_name(void *fdt, const char *path, - const char *name) -{ - int node_off; - - node_off = fdt_path_offset(fdt, path); - CHECK(node_off < 0); - - check_property(fdt, node_off, name, 0, NULL); - - return 0; -} - -static int fdt_overlay_change_int_property(void *fdt) -{ - return check_getprop_u32_by_name(fdt, "/test-node", "test-int-property", - 43); -} - -static int fdt_overlay_change_str_property(void *fdt) -{ - return check_getprop_string_by_name(fdt, "/test-node", - "test-str-property", "foobar"); -} - -static int fdt_overlay_add_str_property(void *fdt) -{ - return check_getprop_string_by_name(fdt, "/test-node", - "test-str-property-2", "foobar2"); -} - -static int fdt_overlay_add_node(void *fdt) -{ - return check_getprop_null_by_name(fdt, "/test-node/new-node", - "new-property"); -} - -static int fdt_overlay_add_subnode_property(void *fdt) -{ - check_getprop_null_by_name(fdt, "/test-node/sub-test-node", - "sub-test-property"); - check_getprop_null_by_name(fdt, "/test-node/sub-test-node", - "new-sub-test-property"); - - return 0; -} - -static int fdt_overlay_local_phandle(void *fdt) -{ - uint32_t local_phandle; - unsigned long val = 0; - int off; - - off = fdt_path_offset(fdt, "/test-node/new-local-node"); - CHECK(off < 0); - - local_phandle = fdt_get_phandle(fdt, off); - CHECK(!local_phandle); - - CHECK(fdt_getprop_u32_by_poffset(fdt, "/test-node", - "test-several-phandle", - 0, &val)); - CHECK(val != local_phandle); - - CHECK(fdt_getprop_u32_by_poffset(fdt, "/test-node", - "test-several-phandle", - 1, &val)); - CHECK(val != local_phandle); - - return 0; -} - -static int fdt_overlay_local_phandles(void *fdt) -{ - uint32_t local_phandle, test_phandle; - unsigned long val = 0; - int off; - - off = fdt_path_offset(fdt, "/test-node/new-local-node"); - CHECK(off < 0); - - local_phandle = fdt_get_phandle(fdt, off); - CHECK(!local_phandle); - - off = fdt_path_offset(fdt, "/test-node"); - CHECK(off < 0); - - test_phandle = fdt_get_phandle(fdt, off); - CHECK(!test_phandle); - - CHECK(fdt_getprop_u32_by_poffset(fdt, "/test-node", - "test-phandle", 0, &val)); - CHECK(test_phandle != val); - - CHECK(fdt_getprop_u32_by_poffset(fdt, "/test-node", - "test-phandle", 1, &val)); - CHECK(local_phandle != val); - - return 0; -} - -static void *open_dt(char *path) -{ - void *dt, *copy; - - dt = load_blob(path); - copy = xmalloc(FDT_COPY_SIZE); - - /* - * Resize our DTs to 4k so that we have room to operate on - */ - CHECK(fdt_open_into(dt, copy, FDT_COPY_SIZE)); - - return copy; -} - -int main(int argc, char *argv[]) -{ - void *fdt_base, *fdt_overlay; - - test_init(argc, argv); - if (argc != 3) - CONFIG("Usage: %s <base dtb> <overlay dtb>", argv[0]); - - fdt_base = open_dt(argv[1]); - fdt_overlay = open_dt(argv[2]); - - /* Apply the overlay */ - CHECK(fdt_overlay_apply(fdt_base, fdt_overlay)); - - fdt_overlay_change_int_property(fdt_base); - fdt_overlay_change_str_property(fdt_base); - fdt_overlay_add_str_property(fdt_base); - fdt_overlay_add_node(fdt_base); - fdt_overlay_add_subnode_property(fdt_base); - - /* - * If the base tree has a __symbols__ node, do the tests that - * are only successful with a proper phandle support, and thus - * dtc -@ - */ - if (fdt_path_offset(fdt_base, "/__symbols__") >= 0) { - fdt_overlay_local_phandle(fdt_base); - fdt_overlay_local_phandles(fdt_base); - } - - PASS(); -} |