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/* Copyright 2013-2014 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>
/* Use these before we undefine them below. */
static inline void *real_malloc(size_t size)
{
return malloc(size);
}
static inline void real_free(void *p)
{
return free(p);
}
#include "../malloc.c"
#include <skiboot.h>
/* We need mem_region to accept __location__ */
#define is_rodata(p) true
#include "../mem_region.c"
/* But we need device tree to make copies of names. */
#undef is_rodata
#define is_rodata(p) false
static inline char *skiboot_strdup(const char *str)
{
char *ret = __malloc(strlen(str) + 1, "");
return memcpy(ret, str, strlen(str) + 1);
}
#undef strdup
#define strdup skiboot_strdup
#include "../device.c"
#include <skiboot.h>
#include <assert.h>
#include <stdio.h>
void lock(struct lock *l)
{
assert(!l->lock_val);
l->lock_val = 1;
}
void unlock(struct lock *l)
{
assert(l->lock_val);
l->lock_val = 0;
}
bool lock_held_by_me(struct lock *l)
{
return l->lock_val;
}
/* We actually need a lot of room for the bitmaps! */
#define TEST_HEAP_ORDER 27
#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= (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", (unsigned long long)start);
mem = dt_new(dt_root, name);
assert(mem);
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)))
{
}
int main(void)
{
uint64_t end;
int builtins;
struct mem_region *r;
char *heap = real_malloc(TEST_HEAP_SIZE);
/* Use malloc for the heap, so valgrind can find issues. */
skiboot_heap.start = (unsigned long)heap;
skiboot_heap.len = TEST_HEAP_SIZE;
skiboot_os_reserve.len = 16384;
dt_root = dt_new_root("");
dt_add_property_cells(dt_root, "#address-cells", 2);
dt_add_property_cells(dt_root, "#size-cells", 2);
/* Make sure we overlap the heap, at least. */
add_mem_node(0, (uint64_t)(heap + 0x100000000ULL));
add_mem_node((uint64_t)heap+0x100000000ULL , 0x100000000ULL);
end = (uint64_t)(heap+ 0x100000000ULL + 0x100000000ULL);
/* Now convert. */
mem_region_init();
mem_dump_allocs();
assert(mem_check(&skiboot_heap));
builtins = 0;
list_for_each(®ions, r, list) {
/* Regions must not overlap. */
struct mem_region *r2, *pre = NULL, *post = NULL;
list_for_each(®ions, r2, list) {
if (r == r2)
continue;
assert(!overlaps(r, r2));
}
/* But should have exact neighbours. */
list_for_each(®ions, r2, list) {
if (r == r2)
continue;
if (r2->start == r->start + r->len)
post = r2;
if (r2->start + r2->len == r->start)
pre = r2;
}
assert(r->start == 0 || pre);
assert(r->start + r->len == end || post);
if (r == &skiboot_code_and_text ||
r == &skiboot_heap ||
r == &skiboot_after_heap ||
r == &skiboot_cpu_stacks ||
r == &skiboot_os_reserve)
builtins++;
else
assert(r->type == REGION_MEMORY);
assert(mem_check(r));
}
assert(builtins == 5);
dt_free(dt_root);
while ((r = list_pop(®ions, struct mem_region, list)) != NULL) {
list_del(&r->list);
if (r != &skiboot_code_and_text &&
r != &skiboot_heap &&
r != &skiboot_after_heap &&
r != &skiboot_os_reserve &&
r != &skiboot_cpu_stacks) {
free(r);
}
assert(mem_check(&skiboot_heap));
}
assert(skiboot_heap.free_list_lock.lock_val == 0);
real_free(heap);
return 0;
}
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