summaryrefslogtreecommitdiffstats
path: root/kexec/phys_to_virt.c
diff options
context:
space:
mode:
Diffstat (limited to 'kexec/phys_to_virt.c')
-rw-r--r--kexec/phys_to_virt.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/kexec/phys_to_virt.c b/kexec/phys_to_virt.c
new file mode 100644
index 0000000..5e8c4e3
--- /dev/null
+++ b/kexec/phys_to_virt.c
@@ -0,0 +1,16 @@
+#include "kexec.h"
+#include "crashdump.h"
+
+/**
+ * phys_to_virt() - translate physical address to virtual address
+ * @paddr: physical address to translate
+ *
+ * For most architectures physical address is simply virtual address minus
+ * PAGE_OFFSET. Architectures that don't follow this convention should provide
+ * their own implementation.
+ */
+unsigned long
+phys_to_virt(struct crash_elf_info *elf_info, unsigned long long paddr)
+{
+ return paddr + elf_info->page_offset;
+}