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/* Copyright 2013-2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#define BITS_PER_LONG (sizeof(long) * 8)
/* Don't include this, it's PPC-specific */
#define __CPU_H
static unsigned int cpu_max_pir = 1;
struct cpu_thread {
unsigned int chip_id;
};
#include <stdlib.h>
static void *real_malloc(size_t size)
{
return malloc(size);
}
static void real_free(void *p)
{
return free(p);
}
#undef malloc
#undef free
#undef realloc
#include <skiboot.h>
#include <mem_region-malloc.h>
/* We need mem_region to accept __location__ */
#define is_rodata(p) true
#include "../mem_region.c"
#include "../malloc.c"
/* But we need device tree to make copies of names. */
#undef is_rodata
#define is_rodata(p) false
#include "../../libc/string/strdup.c"
#include "../device.c"
#include <assert.h>
#include <stdio.h>
void lock(struct lock *l)
{
assert(!l->lock_val);
l->lock_val++;
}
void unlock(struct lock *l)
{
assert(l->lock_val);
l->lock_val--;
}
bool lock_held_by_me(struct lock *l)
{
return l->lock_val;
}
#define TEST_HEAP_ORDER 12
#define TEST_HEAP_SIZE (1ULL << TEST_HEAP_ORDER)
static void add_mem_node(uint64_t start, uint64_t len)
{
struct dt_node *mem;
u64 reg[2];
char *name;
name = (char*)malloc(sizeof("memory@") + STR_MAX_CHARS(reg[0]));
assert(name);
/* reg contains start and length */
reg[0] = cpu_to_be64(start);
reg[1] = cpu_to_be64(len);
sprintf(name, "memory@%llx", (long long)start);
mem = dt_new(dt_root, name);
dt_add_property_string(mem, "device_type", "memory");
dt_add_property(mem, "reg", reg, sizeof(reg));
free(name);
}
void add_chip_dev_associativity(struct dt_node *dev __attribute__((unused)))
{
}
static struct {
const char *name;
uint64_t addr;
bool found;
} test_regions[] = {
{ "test.1", 0x1000, false },
{ "test.2", 0x2000, false },
{ "test.3", 0x4000, false },
};
static void check_property_reservations(void)
{
const struct dt_property *names, *ranges;
unsigned int i, l;
const char *name;
uint64_t *rangep;
/* check dt properties */
names = dt_find_property(dt_root, "reserved-names");
ranges = dt_find_property(dt_root, "reserved-ranges");
assert(names && ranges);
/* walk through names & ranges properies, ensuring that the test
* regions are all present */
for (name = names->prop, rangep = (uint64_t *)ranges->prop;
name < names->prop + names->len;
name += l, rangep += 2) {
uint64_t addr;
addr = dt_get_number(rangep, 2);
l = strlen(name) + 1;
for (i = 0; i < ARRAY_SIZE(test_regions); i++) {
if (strcmp(test_regions[i].name, name))
continue;
assert(test_regions[i].addr == addr);
assert(!test_regions[i].found);
test_regions[i].found = true;
}
}
for (i = 0; i < ARRAY_SIZE(test_regions); i++) {
assert(test_regions[i].found);
test_regions[i].found = false;
}
}
static void check_node_reservations(void)
{
struct dt_node *parent, *node;
unsigned int i;
parent = dt_find_by_name(dt_root, "reserved-memory");
assert(parent);
assert(dt_prop_get_cell(parent, "#address-cells", 0) == 2);
assert(dt_prop_get_cell(parent, "#size-cells", 0) == 2);
dt_require_property(parent, "ranges", 0);
dt_for_each_child(parent, node) {
uint64_t addr, size;
addr = dt_get_address(node, 0, &size);
for (i = 0; i < ARRAY_SIZE(test_regions); i++) {
if (strncmp(test_regions[i].name, node->name,
strlen(test_regions[i].name)))
continue;
assert(!test_regions[i].found);
assert(test_regions[i].addr == addr);
assert(size = 0x1000);
test_regions[i].found = true;
}
}
for (i = 0; i < ARRAY_SIZE(test_regions); i++) {
assert(test_regions[i].found);
test_regions[i].found = false;
}
}
int main(void)
{
struct mem_region *r;
unsigned int i;
void *buf;
/* Use malloc for the heap, so valgrind can find issues. */
skiboot_heap.start = (long)real_malloc(TEST_HEAP_SIZE);
skiboot_heap.len = TEST_HEAP_SIZE;
skiboot_os_reserve.len = skiboot_heap.start;
dt_root = dt_new_root("");
dt_add_property_cells(dt_root, "#address-cells", 2);
dt_add_property_cells(dt_root, "#size-cells", 2);
buf = real_malloc(1024*1024);
add_mem_node((unsigned long)buf, 1024*1024);
/* Now convert. */
mem_region_init();
/* create our reservations */
for (i = 0; i < ARRAY_SIZE(test_regions); i++)
mem_reserve_hw(test_regions[i].name,
test_regions[i].addr, 0x1000);
/* release unused */
mem_region_release_unused();
/* and create reservations */
mem_region_add_dt_reserved();
/* ensure we can't create further reservations */
r = new_region("test.4", 0x5000, 0x1000, NULL, REGION_RESERVED);
assert(!add_region(r));
/* check old property-style reservations */
check_property_reservations();
/* and new node-style reservations */
check_node_reservations();
dt_free(dt_root);
real_free(buf);
real_free((void *)(long)skiboot_heap.start);
return 0;
}
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