#include "config.h"
#endif
+#include <helper/types.h>
#include "register.h"
-#include "log.h"
-
-
-struct reg_arch_type *reg_arch_types = NULL;
+#include <helper/log.h>
+
+/**
+ * @file
+ * Holds utilities to work with register caches.
+ *
+ * OpenOCD uses machine registers internally, and exposes them by name
+ * to Tcl scripts. Sets of related registers are grouped into caches.
+ * For example, a CPU core will expose a set of registers, and there
+ * may be separate registers associated with debug or trace modules.
+ */
struct reg* register_get_by_name(struct reg_cache *first,
const char *name, bool search_all)
{
- int i;
+ unsigned i;
struct reg_cache *cache = first;
while (cache)
return cache_p;
}
-int register_reg_arch_type(int (*get)(struct reg *reg), int (*set)(struct reg *reg, uint8_t *buf))
-{
- struct reg_arch_type** arch_type_p = ®_arch_types;
- int id = 0;
-
- if (*arch_type_p)
- {
- while (*arch_type_p)
- {
- id = (*arch_type_p)->id;
- arch_type_p = &((*arch_type_p)->next);
- }
- }
-
- (*arch_type_p) = malloc(sizeof(struct reg_arch_type));
- (*arch_type_p)->id = id + 1;
- (*arch_type_p)->set = set;
- (*arch_type_p)->get = get;
- (*arch_type_p)->next = NULL;
-
- return id + 1;
-}
-
-struct reg_arch_type* register_get_arch_type(int id)
+/** Marks the contents of the register cache as invalid (and clean). */
+void register_cache_invalidate(struct reg_cache *cache)
{
- struct reg_arch_type *arch_type = reg_arch_types;
+ struct reg *reg = cache->reg_list;
- while (arch_type)
- {
- if (arch_type->id == id)
- return arch_type;
- arch_type = arch_type->next;
+ for (unsigned n = cache->num_regs; n != 0; n--, reg++) {
+ reg->valid = 0;
+ reg->dirty = 0;
}
- LOG_ERROR("BUG: encountered unregistered arch type 0x%08x", id);
- exit(-1);
- return NULL;
}
static int register_get_dummy_core_reg(struct reg *reg)
return ERROR_OK;
}
+static const struct reg_arch_type dummy_type = {
+ .get = register_get_dummy_core_reg,
+ .set = register_set_dummy_core_reg,
+};
+
void register_init_dummy(struct reg *reg)
{
- static int dummy_arch_type = -1;
- if (dummy_arch_type == -1)
- dummy_arch_type = register_reg_arch_type(register_get_dummy_core_reg, register_set_dummy_core_reg);
-
- reg->arch_type = dummy_arch_type;
+ reg->type = &dummy_type;
}