diff options
Diffstat (limited to 'kexec/arch/ia64/kexec-iomem.c')
| -rw-r--r-- | kexec/arch/ia64/kexec-iomem.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/kexec/arch/ia64/kexec-iomem.c b/kexec/arch/ia64/kexec-iomem.c new file mode 100644 index 0000000..7fd50cd --- /dev/null +++ b/kexec/arch/ia64/kexec-iomem.c @@ -0,0 +1,23 @@ +#include <stdint.h> +#include <stdio.h> +#include "../../kexec.h" +#include "../../crashdump.h" + +static const char proc_iomem_str[]= "/proc/iomem"; +static const char proc_iomem_machine_str[]= "/proc/iomem_machine"; + +/* + * On IA64 XEN the EFI tables are virtualised. + * For this reason on such systems /proc/iomem_machine is provided, + * which is based on the hypervisor's (machine's) EFI tables. + * If Xen is in use, then /proc/iomem is used for memory regions relating + * to the currently running dom0 kernel, and /proc/iomem_machine is used + * for regions relating to the machine itself or the hypervisor. + * If Xen is not in used, then /proc/iomem used. + */ +const char *proc_iomem(void) +{ + if (xen_present()) + return proc_iomem_machine_str; + return proc_iomem_str; +} |