285 lines
10 KiB
Text
285 lines
10 KiB
Text
Tue May 7 17:28:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* hw_pal.c (hw_pal_instance_read_callback): Remove unused
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variable.
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* misc.c ({,target_}a2i): Rewrite to not use strtoul.
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* Makefile.in ({spreg,misc}.o): Add dependency on .c file.
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({i,d}gen): Don't link in liberity. Use BUILD_LIBS instead of
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LIBS.
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Mon May 6 11:31:43 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* hw_pal.c (hw_pal_instance_read_callback): If using stdio, use
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fgets to read line. If not using stdio, do a simple blocking read
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of len bytes.
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Fri May 3 15:07:42 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* Makefile.in: Correctly build simulator for build machine != host
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machine.
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Tue Apr 30 18:46:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* configure.in (--enable-hostendian): Rework so the default uses
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the AC_C_BIGENDIAN results. Only run AC_C_BIGENDIAN if not cross
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compiling.
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* configure: Regenerate.
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* sim-endian.h: Add more tests for host endian to support more
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platforms in a cross compilation environment.
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Wed Apr 17 14:38:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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* hw_pal.c ({scan,write}_hw_pal): If WITH_STDIO == DO_USE_STDIO,
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use stdio, instead of unpended read/printf_filtered.
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(hw_pal_instance_write_callback): If WITH_STDIO == DO_USE_STDIO,
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flush stdout after writing the characters.
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* options.c (print_options): Print out WITH_STDIO.
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* Makefile.in (STDIO_CFLAGS): Pass on result of @sim_stdio@
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configuration variable.
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(CONFIG_CFLAGS): Include STDIO_CFLAGS.
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(hw.{c,h}): Allow for source dir != build dir, and for HW_SRC
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files to contain directory pieces.
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* std-config.h (DO{,NT}_USE_STDIO): New flags for whether we
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should use stdio for console input.
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(WITH_STDIO): If not defined, define as DONT_USE_STDIO.
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* configure.in (--enable-sim-stdio): Add new switch to control
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whether stdio is used for console I/O.
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* configure: Regenerate.
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* interrupts.c (external_interrupt): Declare it to be
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INLINE_INTERRUPTS, not INLINE_CPU.
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Mon Apr 15 23:30:56 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
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* events.c (insert_event_entry): Allow events to be scheduled
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*NOW* (at delta time 0). Add assertions to clarify behavour of
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event queue.
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* events.c (update_time_from_event): New function. Calculates the
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number of ticks from the next event. Use this.
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Sun Apr 14 21:39:45 1996 Andrew Cagney <cagney@highland.com.au>
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* emul_netbsd.c (do_break): Return 0 if success (instead of
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adjusted break).
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* device_table.c (vm_ioctl_callback): Don't return adjusted break
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(isn't needed).
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Sun Apr 14 21:32:41 1996 Andrew Cagney <cagney@highland.com.au>
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* device_table.h: Change type of the device ioctl so that it
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returns an int (status).
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* device.h (device_ioctl): Ditto.
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* device.c (device_ioctl): Ditto.
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* device_table.c (stack_ioctl_callback): Return 0 status.
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(vm_ioctl_callback): Ditto
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Thu Apr 4 20:58:05 1996 Andrew Cagney <cagney@highland.com.au>
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* interrupts.h (interrupts): New structure contains state of
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pending interrupts.
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* cpu.c (cpu_interrupts): New function. Pending interrupt status
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in the cpu and grant access to it. Add interrupts to cpu
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structure.
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Fri Mar 29 22:09:25 1996 Andrew Cagney <cagney@highland.com.au>
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* device.c (device_tree_add_parsed): Check that the creation of a
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device instance worked before using it.
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* psim.c (psim_halt): Remove cia argument from psim_halt. This
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function does not save the CIA so do not pass it in.
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Fri Mar 29 21:30:56 1996 Andrew Cagney <cagney@highland.com.au>
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* hw_pal.c (hw_pal): Merge the halt and icu and console devices
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found in device_table.c into a single hack pal.
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* device_table.c (halt, icu, console): Delete.
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* Makefile.in (hw_pal.o): New dependency.
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* emul_generic.c (emul_add_tree_hardware): Re-arange device tree
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so that it uses the pal instead of the icu/halt/console devices.
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Wire the pal's interrupt ports up to the cpu nodes.
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Fri Mar 29 20:17:17 1996 Andrew Cagney <cagney@highland.com.au>
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* hw_iobus.c (hw_iobus_attach_address_callback): Move from
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device_table.c to here.
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* Makefile.in (hw_iobus.o): New dependency.
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Mon Mar 25 22:07:13 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
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* configure: Regenerate with autoconf 2.9.
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Thu Mar 21 00:14:26 1996 Andrew Cagney <cagney@highland.com.au>
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* device_table.h: Always include string headers.
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Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
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* basics.h: Move the event queue's definition to here so that it
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can be refered to globally with out importing all of events.h.
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* psim.h, psim.c (psim_event_queue): New function. Grant access
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to the simulation event queue. Will make this the single point of
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access (there is after all only one event queue in the
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simulation).
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* cpu.c (cpu_create): Use psim_event_queue to obtain the event
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queue instead of it being passed in. No longer allow access to
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the cpu's copy of the event queue.
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Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
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* events.h, events.c (event_handler): Remove event_queue from
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arguments passed to an event handler. That argument is redundant
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- the `data' should refer to a data structure that contains the
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event queue if queing is needed.
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* cpu.c (cpu_decrement_event): adjust
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* events.c (event_queue_process): adjust
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Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
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* device.h, device.c (device_system): New, returns a handle for
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the system given the device.
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* device.c (device_address_init): Store a pointer back to the
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system in each devices node.
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* device_table.h: Don't pass `system' into each device when it is
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being initialized, this is now available using device_system(me).
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* device.c (device_address_init, device_data_init): Adjust.
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* hw_cpu.c, hw_nvram.c, hw_memory.c, hw_eeprom.c, device_table.c:
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Adjust.
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Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
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* interrupts.c (decrementer_interrupt, external_interrupt):
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Remember that an interrupt wasn't delivered so that it can be
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tried again later.
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* interrupts.c (check_masked_interrupt): New function. (re)
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checks for the posibility that a recent change to the MSR may have
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made it possible to deliver an interrupt that was previously
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masked be the EE bit.
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* ppc-instructions (mtmsr, mfmsr, rfi): Check for posibility of
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a pending interrupt being delivered using check_masked_interrupt().
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* cpu.c (cpu_decrement_event): Just call decrementer_interrupt()
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leaving it to that module to handle both interrupt synchronization
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and masking.
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* cpu.c (struct _cpu): remove variables that were going to record
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pending decrementer and external interrupts.
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Sun Mar 17 22:40:57 1996 Andrew Cagney <cagney@highland.com.au>
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* hw_cpu.c, hw_cpu.h: New files. Implement a device that sits
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between the interrupt controller and the simulators internal
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processor model. Maps device interrupts onto the processor
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interrupt function calls.
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Mon Mar 4 06:06:54 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
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* hw_nvram.c: NVRAM device that includes a real-time clock that is
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updated each second.
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Mon Mar 4 04:18:50 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
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* device.h (attach_type): Remove attach_default type address
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spaces. Will replace with levels of callback memory.
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* corefile.h, corefile.c (new_core_mapping), corefile.c
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(core_map_attach): Replace default attach with a layerd callback
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approach.
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Sun Mar 3 03:58:46 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
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* device.c (split_property_specifier): ensure that only a single
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property is found.
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(split_value): New function, parses the value part of a device
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spec.
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* device.c (device_tree_add_parsed): Use the interrupt conversion
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functions to determine the interrupt port numbers.
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* device_table.h: Add table that maps between an interrupts
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symbolic name and its port number.
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* device.h, device.c (device_interrupt_decode,
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device_interrupt_encode): new functions use the recently added
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interrupt port name/number tables to perform conversion.
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Sun Mar 3 03:23:59 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
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* device.h, device.c (device_set_array_property,
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device_set_boolean_property, device_set_ihandle_property,
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device_set_integer_property, device_set_string_property): New
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functions - allow the value of a given property to be changed.
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* device.h, device.c: Re-order declaration and definition of
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property functions.
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Sun Mar 3 03:10:22 1996 Andrew Cagney <cagney@kremvax.highland.com.au>
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* device.c (device_tree_print_device, device_tree_add_parsed):
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Remove references to phandle properties.
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Tue Feb 27 23:59:35 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
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* device_table.h: Revamp device init callbacks so that they are a
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sub structure.
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* device.c (device_init_data, device_init_address): If an init
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callback is NULL assume it should do nothing.
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* device_table.c (ignore_device_init, unimp_device_init): delete
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as redundant.
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* device_table.c, hw_memory.c: adjust.
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* (io): ditto.
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* (dma): ditto.
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* (device_instance): ditto.
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* (ioctl): ditto.
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* (address nee config_address): ditto.
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* (interrupt): ditto.
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Mon Feb 26 22:47:15 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
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* Makefile.in (hw.h, hw.c): New targets. Create from the list of
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hw_*.c files. hw.h declares a device descriptor table for each hw
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device while hw.c lists those tables in a form suitable for the
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construction of a top leveltable in device_table.c.
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* Makefile.in (device_table.o): now depends on hw.c a generated
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table of hw.
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* device_table.c (device_table): Re-arange the table of devices so
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that two levels are possible. Make use of hw.c.
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* device_table.h: ditto.
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* device.c (device_template_create_device): Handle new two level
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device lookup table.
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* device.c (device_usage): ditto.
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Mon Feb 26 22:24:00 1996 Andrew Cagney - aka Noid <cagney@highland.com.au>
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* device_table.c: Delete the memory device (moved to hw_memory.c).
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* hw_memory.c: New file. Just an OpenBoot memory device.
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