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u-boot-brain/test/overlay/cmd_ut_overlay.c
Tom Rini 83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style 
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2016 NextThing Co
* Copyright (c) 2016 Free Electrons
*/
#include <common.h>
#include <command.h>
#include <errno.h>
#include <malloc.h>
#include <linux/sizes.h>
#include <test/ut.h>
#include <test/overlay.h>
#include <test/suites.h>
/* 4k ought to be enough for anybody */
#define FDT_COPY_SIZE (4 * SZ_1K)
extern u32 __dtb_test_fdt_base_begin;
extern u32 __dtb_test_fdt_overlay_begin;
extern u32 __dtb_test_fdt_overlay_stacked_begin;
static int ut_fdt_getprop_u32_by_index(void *fdt, const char *path,
const char *name, int index,
u32 *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) * (index + 1))))
return -FDT_ERR_NOTFOUND;
*out = fdt32_to_cpu(*(val + index));
return 0;
}
static int ut_fdt_getprop_u32(void *fdt, const char *path, const char *name,
u32 *out)
{
return ut_fdt_getprop_u32_by_index(fdt, path, name, 0, out);
}
static int fdt_getprop_str(void *fdt, const char *path, const char *name,
const char **out)
{
int node_off;
int len;
node_off = fdt_path_offset(fdt, path);
if (node_off < 0)
return node_off;
*out = fdt_stringlist_get(fdt, node_off, name, 0, &len);
return len < 0 ? len : 0;
}
static int fdt_overlay_change_int_property(struct unit_test_state *uts)
{
void *fdt = uts->priv;
u32 val = 0;
ut_assertok(ut_fdt_getprop_u32(fdt, "/test-node", "test-int-property",
&val));
ut_asserteq(43, val);
return CMD_RET_SUCCESS;
}
OVERLAY_TEST(fdt_overlay_change_int_property, 0);
static int fdt_overlay_change_str_property(struct unit_test_state *uts)
{
void *fdt = uts->priv;
const char *val = NULL;
ut_assertok(fdt_getprop_str(fdt, "/test-node", "test-str-property",
&val));
ut_asserteq_str("foobar", val);
return CMD_RET_SUCCESS;
}
OVERLAY_TEST(fdt_overlay_change_str_property, 0);
static int fdt_overlay_add_str_property(struct unit_test_state *uts)
{
void *fdt = uts->priv;
const char *val = NULL;
ut_assertok(fdt_getprop_str(fdt, "/test-node", "test-str-property-2",
&val));
ut_asserteq_str("foobar2", val);
return CMD_RET_SUCCESS;
}
OVERLAY_TEST(fdt_overlay_add_str_property, 0);
static int fdt_overlay_add_node_by_phandle(struct unit_test_state *uts)
{
void *fdt = uts->priv;
int off;
off = fdt_path_offset(fdt, "/test-node/new-node");
ut_assert(off >= 0);
ut_assertnonnull(fdt_getprop(fdt, off, "new-property", NULL));
return CMD_RET_SUCCESS;
}
OVERLAY_TEST(fdt_overlay_add_node_by_phandle, 0);
static int fdt_overlay_add_node_by_path(struct unit_test_state *uts)
{
void *fdt = uts->priv;
int off;
off = fdt_path_offset(fdt, "/new-node");
ut_assert(off >= 0);
ut_assertnonnull(fdt_getprop(fdt, off, "new-property", NULL));
return CMD_RET_SUCCESS;
}
OVERLAY_TEST(fdt_overlay_add_node_by_path, 0);
static int fdt_overlay_add_subnode_property(struct unit_test_state *uts)
{
void *fdt = uts->priv;
int off;
off = fdt_path_offset(fdt, "/test-node/sub-test-node");
ut_assert(off >= 0);
ut_assertnonnull(fdt_getprop(fdt, off, "sub-test-property", NULL));
ut_assertnonnull(fdt_getprop(fdt, off, "new-sub-test-property", NULL));
return CMD_RET_SUCCESS;
}
OVERLAY_TEST(fdt_overlay_add_subnode_property, 0);
static int fdt_overlay_local_phandle(struct unit_test_state *uts)
{
uint32_t local_phandle;
void *fdt = uts->priv;
u32 val = 0;
int off;
off = fdt_path_offset(fdt, "/new-local-node");
ut_assert(off >= 0);
local_phandle = fdt_get_phandle(fdt, off);
ut_assert(local_phandle);
ut_assertok(ut_fdt_getprop_u32_by_index(fdt, "/", "test-several-phandle",
0, &val));
ut_asserteq(local_phandle, val);
ut_assertok(ut_fdt_getprop_u32_by_index(fdt, "/", "test-several-phandle",
1, &val));
ut_asserteq(local_phandle, val);
return CMD_RET_SUCCESS;
}
OVERLAY_TEST(fdt_overlay_local_phandle, 0);
static int fdt_overlay_local_phandles(struct unit_test_state *uts)
{
uint32_t local_phandle, test_phandle;
void *fdt = uts->priv;
u32 val = 0;
int off;
off = fdt_path_offset(fdt, "/new-local-node");
ut_assert(off >= 0);
local_phandle = fdt_get_phandle(fdt, off);
ut_assert(local_phandle);
off = fdt_path_offset(fdt, "/test-node");
ut_assert(off >= 0);
test_phandle = fdt_get_phandle(fdt, off);
ut_assert(test_phandle);
ut_assertok(ut_fdt_getprop_u32_by_index(fdt, "/", "test-phandle", 0,
&val));
ut_asserteq(test_phandle, val);
ut_assertok(ut_fdt_getprop_u32_by_index(fdt, "/", "test-phandle", 1,
&val));
ut_asserteq(local_phandle, val);
return CMD_RET_SUCCESS;
}
OVERLAY_TEST(fdt_overlay_local_phandles, 0);
static int fdt_overlay_stacked(struct unit_test_state *uts)
{
void *fdt = uts->priv;
u32 val = 0;
ut_assertok(ut_fdt_getprop_u32(fdt, "/new-local-node",
"stacked-test-int-property", &val));
ut_asserteq(43, val);
return CMD_RET_SUCCESS;
}
OVERLAY_TEST(fdt_overlay_stacked, 0);
int do_ut_overlay(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct unit_test *tests = ll_entry_start(struct unit_test,
overlay_test);
const int n_ents = ll_entry_count(struct unit_test, overlay_test);
struct unit_test_state *uts;
void *fdt_base = &__dtb_test_fdt_base_begin;
void *fdt_overlay = &__dtb_test_fdt_overlay_begin;
void *fdt_overlay_stacked = &__dtb_test_fdt_overlay_stacked_begin;
void *fdt_base_copy, *fdt_overlay_copy, *fdt_overlay_stacked_copy;
int ret = -ENOMEM;
uts = calloc(1, sizeof(*uts));
if (!uts)
return -ENOMEM;
ut_assertok(fdt_check_header(fdt_base));
ut_assertok(fdt_check_header(fdt_overlay));
fdt_base_copy = malloc(FDT_COPY_SIZE);
if (!fdt_base_copy)
goto err1;
uts->priv = fdt_base_copy;
fdt_overlay_copy = malloc(FDT_COPY_SIZE);
if (!fdt_overlay_copy)
goto err2;
fdt_overlay_stacked_copy = malloc(FDT_COPY_SIZE);
if (!fdt_overlay_stacked_copy)
goto err3;
/*
* Resize the FDT to 4k so that we have room to operate on
*
* (and relocate it since the memory might be mapped
* read-only)
*/
ut_assertok(fdt_open_into(fdt_base, fdt_base_copy, FDT_COPY_SIZE));
/*
* Resize the overlay to 4k so that we have room to operate on
*
* (and relocate it since the memory might be mapped
* read-only)
*/
ut_assertok(fdt_open_into(fdt_overlay, fdt_overlay_copy,
FDT_COPY_SIZE));
/*
* Resize the stacked overlay to 4k so that we have room to operate on
*
* (and relocate it since the memory might be mapped
* read-only)
*/
ut_assertok(fdt_open_into(fdt_overlay_stacked, fdt_overlay_stacked_copy,
FDT_COPY_SIZE));
/* Apply the overlay */
ut_assertok(fdt_overlay_apply(fdt_base_copy, fdt_overlay_copy));
/* Apply the stacked overlay */
ut_assertok(fdt_overlay_apply(fdt_base_copy, fdt_overlay_stacked_copy));
ret = cmd_ut_category("overlay", tests, n_ents, argc, argv);
free(fdt_overlay_stacked_copy);
err3:
free(fdt_overlay_copy);
err2:
free(fdt_base_copy);
err1:
free(uts);
return ret;
}
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