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#include <string.h>
#include "target.h"
#include "libpdbg.h"
static pdbg_progress_tick_t progress_tick;
struct pdbg_target *__pdbg_next_target(const char *class, struct pdbg_target *parent, struct pdbg_target *last)
{
struct pdbg_target *next, *tmp;
struct pdbg_target_class *target_class;
if (class && !find_target_class(class))
return NULL;
target_class = require_target_class(class);
retry:
/* No more targets left to check in this class */
if ((last && last->class_link.next == &target_class->targets.n) ||
list_empty(&target_class->targets))
return NULL;
if (last)
next = list_entry(last->class_link.next, struct pdbg_target, class_link);
else
if (!(next = list_top(&target_class->targets, struct pdbg_target, class_link)))
return NULL;
if (!parent)
/* Parent is null, no need to check if this is a child */
return next;
else {
/* Check if this target is a child of the given parent */
for (tmp = next; tmp && next->parent && tmp != parent; tmp = tmp->parent) {}
if (tmp == parent)
return next;
else {
last = next;
goto retry;
}
}
}
struct pdbg_target *__pdbg_next_child_target(struct pdbg_target *parent, struct pdbg_target *last)
{
if (!parent || list_empty(&parent->children))
return NULL;
if (!last)
return list_top(&parent->children, struct pdbg_target, list);
if (last->list.next == &parent->children.n)
return NULL;
return list_entry(last->list.next, struct pdbg_target, list);
}
enum pdbg_target_status pdbg_target_status(struct pdbg_target *target)
{
return target->status;
}
void pdbg_target_status_set(struct pdbg_target *target, enum pdbg_target_status status)
{
/* It's a programming error for user code to attempt anything else so
* blow up obviously if this happens */
assert(status == PDBG_TARGET_DISABLED || status == PDBG_TARGET_MUSTEXIST);
target->status = status;
}
/* Searches up the tree and returns the first valid index found */
uint32_t pdbg_target_index(struct pdbg_target *target)
{
struct pdbg_target *dn;
for (dn = target; dn && dn->index == -1; dn = dn->parent);
if (!dn)
return -1;
else
return dn->index;
}
/* Find a target parent from the given class */
struct pdbg_target *pdbg_target_parent(const char *class, struct pdbg_target *target)
{
struct pdbg_target *parent;
if (!class)
return target->parent;
for (parent = target->parent; parent && parent->parent; parent = parent->parent) {
if (!strcmp(class, pdbg_target_class_name(parent)))
return parent;
}
return NULL;
}
struct pdbg_target *pdbg_target_require_parent(const char *class, struct pdbg_target *target)
{
struct pdbg_target *parent = pdbg_target_parent(class, target);
assert(parent);
return parent;
}
/* Searched up the tree for the first target of the right class and returns its index */
uint32_t pdbg_parent_index(struct pdbg_target *target, char *class)
{
struct pdbg_target *parent;
parent = pdbg_target_parent(class, target);
if (parent)
return pdbg_target_index(parent);
else
return -1;
}
char *pdbg_target_class_name(struct pdbg_target *target)
{
return target->class;
}
char *pdbg_target_name(struct pdbg_target *target)
{
return target->name;
}
const char *pdbg_target_dn_name(struct pdbg_target *target)
{
return target->dn_name;
}
int pdbg_target_u32_property(struct pdbg_target *target, const char *name, uint32_t *val)
{
uint32_t *p;
size_t size;
p = pdbg_get_target_property(target, name, &size);
if (!p)
return -1;
assert(size == 4);
*val = be32toh(*p);
return 0;
}
int pdbg_target_u32_index(struct pdbg_target *target, const char *name, int index, uint32_t *val)
{
size_t len;
uint32_t *p;
p = pdbg_get_target_property(target, name, &len);
if (!p)
return -1;
assert(len >= (index+1)*sizeof(uint32_t));
/* FDT pointers should be aligned, but best to check */
assert(!((uintptr_t) p & 0x3));
/* Always aligned, so this works. */
*val = be32toh(p[index]);
return 0;
}
void pdbg_progress_tick(uint64_t cur, uint64_t end)
{
if (progress_tick)
progress_tick(cur, end);
}
void pdbg_set_progress_tick(pdbg_progress_tick_t fn)
{
progress_tick = fn;
}
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