*/
-#include <linux/cpumask.h>
#include <linux/kexec.h>
#include <linux/smp.h>
#include <linux/thread_info.h>
unsigned long begin, end; /* limits of segment */
unsigned long low, high; /* limits of blocked memory range */
struct device_node *node;
- unsigned long *basep;
- unsigned int *sizep;
+ const unsigned long *basep;
+ const unsigned int *sizep;
if (!ppc_md.hpte_clear_all)
return -ENOENT;
/* We also should not overwrite the tce tables */
for (node = of_find_node_by_type(NULL, "pci"); node != NULL;
node = of_find_node_by_type(node, "pci")) {
- basep = (unsigned long *)get_property(node, "linux,tce-base",
- NULL);
- sizep = (unsigned int *)get_property(node, "linux,tce-size",
- NULL);
+ basep = get_property(node, "linux,tce-base", NULL);
+ sizep = get_property(node, "linux,tce-size", NULL);
if (basep == NULL || sizep == NULL)
continue;
of_node_put(node);
}
-void __init kexec_setup(void)
+static struct property crashk_base_prop = {
+ .name = "linux,crashkernel-base",
+ .length = sizeof(unsigned long),
+ .value = (unsigned char *)&crashk_res.start,
+};
+
+static unsigned long crashk_size;
+
+static struct property crashk_size_prop = {
+ .name = "linux,crashkernel-size",
+ .length = sizeof(unsigned long),
+ .value = (unsigned char *)&crashk_size,
+};
+
+static void __init export_crashk_values(void)
+{
+ struct device_node *node;
+ struct property *prop;
+
+ node = of_find_node_by_path("/chosen");
+ if (!node)
+ return;
+
+ /* There might be existing crash kernel properties, but we can't
+ * be sure what's in them, so remove them. */
+ prop = of_find_property(node, "linux,crashkernel-base", NULL);
+ if (prop)
+ prom_remove_property(node, prop);
+
+ prop = of_find_property(node, "linux,crashkernel-size", NULL);
+ if (prop)
+ prom_remove_property(node, prop);
+
+ if (crashk_res.start != 0) {
+ prom_add_property(node, &crashk_base_prop);
+ crashk_size = crashk_res.end - crashk_res.start + 1;
+ prom_add_property(node, &crashk_size_prop);
+ }
+
+ of_node_put(node);
+}
+
+static int __init kexec_setup(void)
{
export_htab_values();
+ export_crashk_values();
+ return 0;
}
+__initcall(kexec_setup);