|
@@ -3,21 +3,14 @@
|
|
|
*
|
|
|
* Copyright (C) 1999 Phil Blundell
|
|
|
*
|
|
|
- * ISA shared memory and I/O port support
|
|
|
- */
|
|
|
-
|
|
|
-/*
|
|
|
* This program is free software; you can redistribute it and/or
|
|
|
* modify it under the terms of the GNU General Public License
|
|
|
* as published by the Free Software Foundation; either version
|
|
|
* 2 of the License, or (at your option) any later version.
|
|
|
+ *
|
|
|
+ * ISA shared memory and I/O port support, and is required to support
|
|
|
+ * iopl, inb, outb and friends in userspace via glibc emulation.
|
|
|
*/
|
|
|
-
|
|
|
-/*
|
|
|
- * Nothing about this is actually ARM specific. One day we could move
|
|
|
- * it into kernel/resource.c or some place like that.
|
|
|
- */
|
|
|
-
|
|
|
#include <linux/stddef.h>
|
|
|
#include <linux/types.h>
|
|
|
#include <linux/fs.h>
|
|
@@ -27,21 +20,49 @@
|
|
|
static unsigned int isa_membase, isa_portbase, isa_portshift;
|
|
|
|
|
|
static ctl_table ctl_isa_vars[4] = {
|
|
|
- {BUS_ISA_MEM_BASE, "membase", &isa_membase,
|
|
|
- sizeof(isa_membase), 0444, NULL, &proc_dointvec},
|
|
|
- {BUS_ISA_PORT_BASE, "portbase", &isa_portbase,
|
|
|
- sizeof(isa_portbase), 0444, NULL, &proc_dointvec},
|
|
|
- {BUS_ISA_PORT_SHIFT, "portshift", &isa_portshift,
|
|
|
- sizeof(isa_portshift), 0444, NULL, &proc_dointvec},
|
|
|
- {0}
|
|
|
+ {
|
|
|
+ .ctl_name = BUS_ISA_MEM_BASE,
|
|
|
+ .procname = "membase",
|
|
|
+ .data = &isa_membase,
|
|
|
+ .maxlen = sizeof(isa_membase),
|
|
|
+ .mode = 0444,
|
|
|
+ .proc_handler = &proc_dointvec,
|
|
|
+ }, {
|
|
|
+ .ctl_name = BUS_ISA_PORT_BASE,
|
|
|
+ .procname = "portbase",
|
|
|
+ .data = &isa_portbase,
|
|
|
+ .maxlen = sizeof(isa_portbase),
|
|
|
+ .mode = 0444,
|
|
|
+ .proc_handler = &proc_dointvec,
|
|
|
+ }, {
|
|
|
+ .ctl_name = BUS_ISA_PORT_SHIFT,
|
|
|
+ .procname = "portshift",
|
|
|
+ .data = &isa_portshift,
|
|
|
+ .maxlen = sizeof(isa_portshift),
|
|
|
+ .mode = 0444,
|
|
|
+ .proc_handler = &proc_dointvec,
|
|
|
+ }, {0}
|
|
|
};
|
|
|
|
|
|
static struct ctl_table_header *isa_sysctl_header;
|
|
|
|
|
|
-static ctl_table ctl_isa[2] = {{CTL_BUS_ISA, "isa", NULL, 0, 0555, ctl_isa_vars},
|
|
|
- {0}};
|
|
|
-static ctl_table ctl_bus[2] = {{CTL_BUS, "bus", NULL, 0, 0555, ctl_isa},
|
|
|
- {0}};
|
|
|
+static ctl_table ctl_isa[2] = {
|
|
|
+ {
|
|
|
+ .ctl_name = CTL_BUS_ISA,
|
|
|
+ .procname = "isa",
|
|
|
+ .mode = 0555,
|
|
|
+ .child = ctl_isa_vars,
|
|
|
+ }, {0}
|
|
|
+};
|
|
|
+
|
|
|
+static ctl_table ctl_bus[2] = {
|
|
|
+ {
|
|
|
+ .ctl_name = CTL_BUS,
|
|
|
+ .procname = "bus",
|
|
|
+ .mode = 0555,
|
|
|
+ .child = ctl_isa,
|
|
|
+ }, {0}
|
|
|
+};
|
|
|
|
|
|
void __init
|
|
|
register_isa_ports(unsigned int membase, unsigned int portbase, unsigned int portshift)
|