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[bug #15295 --- ``Mach lets processes write to I/O ports'']
* i386/Makefrag.am (libkernel_a_SOURCES): Add `i386/i386/io_perm.c',
`i386/i386/io_perm.h', `i386/i386/machine_task.c', `i386/i386/task.h'
and remove `i386/i386/io_port.h', `i386/i386/iopb.c',
`i386/i386/iopb.h'.
* i386/i386/io_port.h: Remove file.
* i386/i386at/kd.c: Don't include <i386/io_port.h>.
(vga_port_list, kd_io_device, kd_io_map_open, kd_io_map_close): Don't
define and don't use anymore.
* include/stddef.h: New file.
* i386/i386/io_perm.c: Include <string.h>, <device/device_emul.h>,
<ipc/ipc_space.h> and don't include <oskit/ds_oskit.h>.
(io_perm_device_emulation_ops): New variable.
(dev_open_alloc, setup_no_senders): Remove declarations.
(convert_io_perm_to_port, convert_port_to_io_perm, io_perm_deallocate):
Rewrite.
(no_senders): New function.
(i386_io_perm_create, i386_io_perm_modify): Rewrite partially, to adapt
to the GNU Mach environment.
* i386/i386/io_perm.h: Include <device/dev_hdr.h> and
<ipc/ipc_types.h>.
(io_perm, io_perm_t): New structure and accompanying type definition.
(IO_PERM_NULL): Define.
* i386/i386/locore.S (ktss): Move variable to...
* i386/i386/ktss.c: ... here, make it a ``struct task_tss''.
(ktss_init): Initialize the `task_tss' structure and the i/o permission
bit map.
* i386/i386/ktss.h: Adapt to that.
* i386/i386/machine_task.c (machine_task_module_init): Adapt the `zinit'
call to the GNU Mach environment.
* i386/i386/mp_desc.c: Include <machine/ktss.h>.
* i386/i386/tss.h: Include <machine/io_perm.h>.
(task_tss): New structure, equivalent to the OSKit-Mach one.
* i386/include/mach/i386/mach_i386.defs: Don't include
<device/device_types.defs>.
(device_list_t): Remove type.
* i386/include/mach/i386/mach_i386_types.h (device_list_t): Remove type
definition.
2007-05-07 Marcus Brinkmann <marcus@gnu.org>
[bug #15295 --- ``Mach lets processes write to I/O ports'']
* i386/i386/iopb.h, i386/i386/iopb.c: Obsolete files removed.
* i386/i386/pcb.c (switch_context): Update the I/O permission
bitmap from stack_handoff() here (not only in stack_handoff()).
* i386/i386/machine_task.c (machine_task_module_init): Set
ZONE_COLLECTABLE and ZONE_EXHAUSTIBLE flags for the iopb zone.
Requested by Roland McGrath <roland@frob.com>.
* i386/i386/io_perm.h: New file.
* i386/i386/io_perm.c: New file.
* i386/i386/machine_task.c: New file.
* i386/i386/mp_desc.h: (struct mp_desc_table): Change type of ktss to
struct task_tss.
(mp_ktss): Likewise for array of pointers to the struct.
* i386/i386/mp_desc.c: Include `machine/tss.h' and `machine/io_perm.h'.
(mp_ktss): Change type to array of struct task_tss.
(mp_desc_init): Cast pointer to x86_tss into pointer to task_tss,
and use size of struct task_tss instead size of struct x86_tss.
Initialize the task_tss structure.
* i386/i386/pcb.c: Include `stddef.h' and `machine/tss.h'.
(iopb_create, iopb_destroy): Prototypes removed.
(curr_ktss): Cast pointer to base_tss to pointer to struct
task_tss.
(switch_ktss): Always use kernel TSS.
(update_ktss_iopb): New function.
(stack_handoff): Call update_ktss_iopb.
(pcb_module_init): Do not call iopb_init.
(pcb_terminate): Do not call iopb_destroy.
(thread_setstatus): Remove local variable tss.
(thread_getstatus): Rewrite i386_ISA_PORT_MAP_STATE case handler.
* i386/i386/task.h: New file.
* i386/i386/thread.h: Do not include `i386/iopb.h'.
(struct i386_machine_state): Remove member io_tss.
* i386/include/mach/i386/mach_i386.defs [KERNEL_SERVER]: Include
`machine/io_perm.h'. Define intran, outtran and destructor.
(io_port_t): New type.
(io_perm_t): Likewise.
(i386_io_port_add): Interface removed.
(i386_io_port_remove): Likewise.
(i386_io_port_list): Likewise.
(i386_io_perm_create): New interface.
(i386_io_perm_modify): Likewise.
* i386/include/mach/i386/mach_i386_types.h [MACH_KERNEL]: Include
`i386/io_perm.h'.
[!MACH_KERNEL]: Define types io_port_t and io_perm_t.
* kern/task.c (task_init): Call machine_task_module_init.
(task_create): Call machine_task_init.
(task_deallocate): Call machine_task_terminate.
(task_collect_scan): Call machine_task_collect.
* task.h: Include `machine/task.h'.
(struct task): Add member machine.
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