int teardown(struct ut_suite *suite)
{
(void) suite;
simple_free(ai);
simple_free(resCos);
simple_free(resSin);
simple_free(refCos);
simple_free(refSin);
return 0;
}
void kexec_memory_map(void *fdt, int reserve_initrd)
{
uint64_t start, size, end;
int nodeoffset;
int lpar = 0;
kexec_map = simple_init();
/* Work out if we are in LPAR mode */
nodeoffset = fdt_path_offset(fdt, "/rtas");
if (nodeoffset >= 0) {
if (fdt_getprop(fdt, nodeoffset, "ibm,hypertas-functions", NULL))
lpar = 1;
}
/* First find our memory */
nodeoffset = fdt_path_offset(fdt, "/");
if (nodeoffset < 0) {
fprintf(stderr, "Device tree has no root node\n");
exit(1);
}
while (1) {
const char *type;
int len;
const fdt64_t *reg;
nodeoffset = fdt_next_node(fdt, nodeoffset, NULL);
if (nodeoffset < 0)
break;
type = fdt_getprop(fdt, nodeoffset, "device_type", NULL);
if (!type || strcmp(type, "memory"))
continue;
reg = fdt_getprop(fdt, nodeoffset, "reg", &len);
while (len) {
start = fdt64_to_cpu(*reg++);
size = fdt64_to_cpu(*reg++);
len -= 2 * sizeof(uint64_t);
if (lpar == 1) {
/* Only use the RMA region for LPAR */
if (start == 0) {
if (size > MEMORY_CAP)
size = MEMORY_CAP;
simple_free(kexec_map, 0, size);
mem_top = size;
}
} else {
if (start >= MEMORY_CAP)
continue;
if ((start + size) > MEMORY_CAP)
size = MEMORY_CAP - start;
simple_free(kexec_map, start, size);
if ((start + size) > mem_top)
mem_top = start + size;
}
}
}
/* Reserve the kernel */
nodeoffset = fdt_path_offset(fdt, "/chosen");
if (nodeoffset < 0) {
fprintf(stderr, "Device tree has no chosen node\n");
exit(1);
}
/*
* XXX FIXME: Need to add linux,kernel-start property to the
* kernel to handle relocatable kernels.
*/
start = 0;
if (getprop_u64(fdt, nodeoffset, "linux,kernel-end", &end)) {
fprintf(stderr, "getprop linux,kernel-end failed\n");
exit(1);
}
simple_alloc_at(kexec_map, start, end - start);
/* Reserve the MMU hashtable in non LPAR mode */
if (lpar == 0) {
if (getprop_u64(fdt, nodeoffset, "linux,htab-base", &start) ||
getprop_u64(fdt, nodeoffset, "linux,htab-size", &size)) {
fprintf(stderr, "Could not find linux,htab-base or "
"linux,htab-size properties\n");
exit(1);
}
if (start < mem_top)
simple_alloc_at(kexec_map, start, size);
}
/* XXX FIXME: Reserve TCEs in kexec_map */
if (new_style_reservation(fdt, reserve_initrd))
return;
/* Reserve the initrd if requested */
if (reserve_initrd &&
!getprop_u64(fdt, nodeoffset, "linux,initrd-start", &start) &&
!getprop_u64(fdt, nodeoffset, "linux,initrd-end", &end)) {
if (start < mem_top)
simple_alloc_at(kexec_map, start, end - start);
}
/* Reserve RTAS */
nodeoffset = fdt_path_offset(fdt, "/rtas");
if (nodeoffset > 0) {
uint32_t rtas_start, rtas_size;
if (getprop_u32(fdt, nodeoffset, "linux,rtas-base", &rtas_start)) {
fprintf(stderr, "getprop linux,rtas-base failed\n");
exit(1);
}
if (getprop_u32(fdt, nodeoffset, "rtas-size", &rtas_size)) {
fprintf(stderr, "getprop rtas-size failed\n");
exit(1);
}
simple_alloc_at(kexec_map, rtas_start, rtas_size);
if (fdt_add_mem_rsv(fdt, rtas_start, rtas_size))
perror("fdt_add_mem_rsv");
}
nodeoffset = fdt_path_offset(fdt, "/ibm,opal");
if (nodeoffset > 0) {
uint64_t opal_start, opal_size;
if (getprop_u64(fdt, nodeoffset, "opal-base-address",
&opal_start)) {
fprintf(stderr, "getprop opal-base-address failed\n");
exit(1);
}
if (getprop_u64(fdt, nodeoffset, "opal-runtime-size",
&opal_size)) {
fprintf(stderr, "getprop opal-runtime-size failed\n");
exit(1);
}
simple_alloc_at(kexec_map, opal_start, opal_size);
if (fdt_add_mem_rsv(fdt, opal_start, opal_size))
perror("fdt_add_mem_rsv");
}
}
