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Message-ID: <72d8a21a-bbc3-e515-0ee5-18f5622fa6b3@hpe.com>
Date:   Tue, 13 Aug 2019 21:06:37 +0000
From:   "Vaden, Tom (HPE Server OS Architecture)" <tom.vaden@....com>
To:     Christoph Hellwig <hch@....de>, Tony Luck <tony.luck@...el.com>,
        "Fenghua Yu" <fenghua.yu@...el.com>,
        "Travis, Mike" <mike.travis@....com>,
        "Sivanich, Dimitri" <dimitri.sivanich@....com>
CC:     Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
        "linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 17/28] ia64: remove the hpsim platform



On 8/13/19 3:25 AM, Christoph Hellwig wrote:
> The hpsim platform supports the HP IA64 simulator which was useful as a
> bring up platform.  But it is fairly non-standard vs real IA64 system
> in that it for example doesn't support ACPI.  It also comes with a
> whole bunch of simulator specific drivers.  Remove it to simplify the
> IA64 port.
> 
> Note that through a weird twist only them hpsim boot loader built the
> vmlinux.gz file, so the makefile targets for that are moved to the
> main ia64 Makefile now.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Okay to remove hpsim support
Acked-by: Tom Vaden <tom.vaden@....com>

> ---
>   arch/ia64/Kconfig                     |  34 +-
>   arch/ia64/Makefile                    |  27 +-
>   arch/ia64/configs/sim_defconfig       |  52 ---
>   arch/ia64/hp/sim/Kconfig              |  23 --
>   arch/ia64/hp/sim/Makefile             |  17 -
>   arch/ia64/hp/sim/boot/Makefile        |  37 --
>   arch/ia64/hp/sim/boot/boot_head.S     | 165 --------
>   arch/ia64/hp/sim/boot/bootloader.c    | 175 ---------
>   arch/ia64/hp/sim/boot/bootloader.lds  |  67 ----
>   arch/ia64/hp/sim/boot/fw-emu.c        | 374 ------------------
>   arch/ia64/hp/sim/boot/ssc.h           |  36 --
>   arch/ia64/hp/sim/hpsim.S              |  11 -
>   arch/ia64/hp/sim/hpsim_console.c      |  77 ----
>   arch/ia64/hp/sim/hpsim_irq.c          |  76 ----
>   arch/ia64/hp/sim/hpsim_machvec.c      |   3 -
>   arch/ia64/hp/sim/hpsim_setup.c        |  41 --
>   arch/ia64/hp/sim/hpsim_ssc.h          |  37 --
>   arch/ia64/hp/sim/simeth.c             | 510 -------------------------
>   arch/ia64/hp/sim/simscsi.c            | 373 ------------------
>   arch/ia64/hp/sim/simserial.c          | 521 --------------------------
>   arch/ia64/include/asm/acpi.h          |   4 +-
>   arch/ia64/include/asm/hpsim.h         |  17 -
>   arch/ia64/include/asm/iosapic.h       |  12 -
>   arch/ia64/include/asm/machvec.h       |  11 +-
>   arch/ia64/include/asm/machvec_hpsim.h |  19 -
>   arch/ia64/kernel/Makefile             |   3 +-
>   arch/ia64/kernel/irq_ia64.c           |   2 -
>   arch/ia64/kernel/setup.c              |  13 +-
>   28 files changed, 26 insertions(+), 2711 deletions(-)
>   delete mode 100644 arch/ia64/configs/sim_defconfig
>   delete mode 100644 arch/ia64/hp/sim/Kconfig
>   delete mode 100644 arch/ia64/hp/sim/Makefile
>   delete mode 100644 arch/ia64/hp/sim/boot/Makefile
>   delete mode 100644 arch/ia64/hp/sim/boot/boot_head.S
>   delete mode 100644 arch/ia64/hp/sim/boot/bootloader.c
>   delete mode 100644 arch/ia64/hp/sim/boot/bootloader.lds
>   delete mode 100644 arch/ia64/hp/sim/boot/fw-emu.c
>   delete mode 100644 arch/ia64/hp/sim/boot/ssc.h
>   delete mode 100644 arch/ia64/hp/sim/hpsim.S
>   delete mode 100644 arch/ia64/hp/sim/hpsim_console.c
>   delete mode 100644 arch/ia64/hp/sim/hpsim_irq.c
>   delete mode 100644 arch/ia64/hp/sim/hpsim_machvec.c
>   delete mode 100644 arch/ia64/hp/sim/hpsim_setup.c
>   delete mode 100644 arch/ia64/hp/sim/hpsim_ssc.h
>   delete mode 100644 arch/ia64/hp/sim/simeth.c
>   delete mode 100644 arch/ia64/hp/sim/simscsi.c
>   delete mode 100644 arch/ia64/hp/sim/simserial.c
>   delete mode 100644 arch/ia64/include/asm/hpsim.h
>   delete mode 100644 arch/ia64/include/asm/machvec_hpsim.h
> 
> diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
> index ae3aca14506e..63db7a5378ac 100644
> --- a/arch/ia64/Kconfig
> +++ b/arch/ia64/Kconfig
> @@ -10,11 +10,11 @@ config IA64
>   	bool
>   	select ARCH_MIGHT_HAVE_PC_PARPORT
>   	select ARCH_MIGHT_HAVE_PC_SERIO
> -	select ACPI if (!IA64_HP_SIM)
> -	select ARCH_SUPPORTS_ACPI if (!IA64_HP_SIM)
> +	select ACPI
> +	select ARCH_SUPPORTS_ACPI
>   	select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
>   	select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
> -	select FORCE_PCI if (!IA64_HP_SIM)
> +	select FORCE_PCI
>   	select PCI_DOMAINS if PCI
>   	select PCI_SYSCALL if PCI
>   	select HAVE_UNSTABLE_SCHED_CLOCK
> @@ -140,7 +140,6 @@ config IA64_GENERIC
>   	  HP-zx1/sx1000		For HP systems
>   	  HP-zx1/sx1000+swiotlb	For HP systems with (broken) DMA-constrained devices.
>   	  SGI-UV		For SGI UV systems
> -	  Ski-simulator		For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
>   
>   	  If you don't know what to do, choose "generic".
>   
> @@ -181,11 +180,6 @@ config IA64_SGI_UV
>   	  to select this option.  If in doubt, select ia64 generic support
>   	  instead.
>   
> -config IA64_HP_SIM
> -	bool "Ski-simulator"
> -	select SWIOTLB
> -	depends on !PM
> -
>   endchoice
>   
>   choice
> @@ -239,14 +233,7 @@ config IA64_PAGE_SIZE_64KB
>   
>   endchoice
>   
> -if IA64_HP_SIM
> -config HZ
> -	default 32
> -endif
> -
> -if !IA64_HP_SIM
>   source "kernel/Kconfig.hz"
> -endif
>   
>   config IA64_BRL_EMU
>   	bool
> @@ -265,11 +252,6 @@ config IA64_CYCLONE
>   	  Say Y here to enable support for IBM EXA Cyclone time source.
>   	  If you're unsure, answer N.
>   
> -config IOSAPIC
> -	bool
> -	depends on !IA64_HP_SIM
> -	default y
> -
>   config FORCE_MAX_ZONEORDER
>   	int "MAX_ORDER (11 - 17)"  if !HUGETLB_PAGE
>   	range 11 17  if !HUGETLB_PAGE
> @@ -373,7 +355,7 @@ config ARCH_DISCONTIGMEM_DEFAULT
>   
>   config NUMA
>   	bool "NUMA support"
> -	depends on !IA64_HP_SIM && !FLATMEM
> +	depends on !FLATMEM
>   	select ACPI_NUMA if ACPI
>   	help
>   	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
> @@ -395,7 +377,7 @@ config NODES_SHIFT
>   config VIRTUAL_MEM_MAP
>   	bool "Virtual mem map"
>   	depends on !SPARSEMEM
> -	default y if !IA64_HP_SIM
> +	default y
>   	help
>   	  Say Y to compile the kernel with support for a virtual mem map.
>   	  This code also only takes effect if a memory hole of greater than
> @@ -478,7 +460,7 @@ config IA64_HP_AML_NFW
>   
>   config KEXEC
>   	bool "kexec system call"
> -	depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
> +	depends on !SMP || HOTPLUG_CPU
>   	select KEXEC_CORE
>   	help
>   	  kexec is a system call that implements the ability to shutdown your
> @@ -496,7 +478,7 @@ config KEXEC
>   
>   config CRASH_DUMP
>   	  bool "kernel crash dumps"
> -	  depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
> +	  depends on IA64_MCA_RECOVERY && (!SMP || HOTPLUG_CPU)
>   	  help
>   	    Generate crash dump after being started by kexec.
>   
> @@ -518,8 +500,6 @@ endif
>   
>   endmenu
>   
> -source "arch/ia64/hp/sim/Kconfig"
> -
>   config MSPEC
>   	tristate "Memory special operations driver"
>   	depends on IA64
> diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
> index 0d730b061f72..8b866fc1f9cb 100644
> --- a/arch/ia64/Makefile
> +++ b/arch/ia64/Makefile
> @@ -39,6 +39,12 @@ $(error Sorry, you need a newer version of the assember, one that is built from
>   		ftp://ftp.hpl.hp.com/pub/linux-ia64/gas-030124.tar.gz)
>   endif
>   
> +quiet_cmd_gzip = GZIP    $@
> +cmd_gzip = cat $(real-prereqs) | gzip -n -f -9 > $@
> +
> +quiet_cmd_objcopy = OBJCOPY $@
> +cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
> +
>   KBUILD_CFLAGS += $(cflags-y)
>   head-y := arch/ia64/kernel/head.o
>   
> @@ -52,15 +58,12 @@ core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
>   core-$(CONFIG_IA64_SGI_UV)	+= arch/ia64/uv/
>   
>   drivers-$(CONFIG_PCI)		+= arch/ia64/pci/
> -drivers-$(CONFIG_IA64_HP_SIM)	+= arch/ia64/hp/sim/
>   drivers-$(CONFIG_IA64_HP_ZX1)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/
>   drivers-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/hp/common/ arch/ia64/hp/zx1/
> -drivers-$(CONFIG_IA64_GENERIC)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ arch/ia64/uv/
> +drivers-$(CONFIG_IA64_GENERIC)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/uv/
>   drivers-$(CONFIG_OPROFILE)	+= arch/ia64/oprofile/
>   
> -boot := arch/ia64/hp/sim/boot
> -
> -PHONY += boot compressed check
> +PHONY += compressed check
>   
>   all: compressed unwcheck
>   
> @@ -68,22 +71,21 @@ compressed: vmlinux.gz
>   
>   vmlinuz: vmlinux.gz
>   
> -vmlinux.gz: vmlinux
> -	$(Q)$(MAKE) $(build)=$(boot) $@
> +vmlinux.gz: vmlinux.bin FORCE
> +	$(call if_changed,gzip)
> +
> +vmlinux.bin: vmlinux FORCE
> +	$(call if_changed,objcopy)
>   
>   unwcheck: vmlinux
>   	-$(Q)READELF=$(READELF) $(PYTHON) $(srctree)/arch/ia64/scripts/unwcheck.py $<
>   
>   archclean:
> -	$(Q)$(MAKE) $(clean)=$(boot)
>   
>   archheaders:
>   	$(Q)$(MAKE) $(build)=arch/ia64/kernel/syscalls all
>   
> -CLEAN_FILES += vmlinux.gz bootloader
> -
> -boot:	lib/lib.a vmlinux
> -	$(Q)$(MAKE) $(build)=$(boot) $@
> +CLEAN_FILES += vmlinux.gz
>   
>   install: vmlinux.gz
>   	sh $(srctree)/arch/ia64/install.sh $(KERNELRELEASE) $< System.map "$(INSTALL_PATH)"
> @@ -91,7 +93,6 @@ install: vmlinux.gz
>   define archhelp
>     echo '* compressed	- Build compressed kernel image'
>     echo '  install	- Install compressed kernel image'
> -  echo '  boot		- Build vmlinux and bootloader for Ski simulator'
>     echo '* unwcheck	- Check vmlinux for invalid unwind info'
>   endef
>   
> diff --git a/arch/ia64/configs/sim_defconfig b/arch/ia64/configs/sim_defconfig
> deleted file mode 100644
> index f0f69fdbddae..000000000000
> --- a/arch/ia64/configs/sim_defconfig
> +++ /dev/null
> @@ -1,52 +0,0 @@
> -CONFIG_SYSVIPC=y
> -CONFIG_IKCONFIG=y
> -CONFIG_IKCONFIG_PROC=y
> -CONFIG_LOG_BUF_SHIFT=16
> -CONFIG_MODULES=y
> -CONFIG_MODULE_UNLOAD=y
> -CONFIG_MODULE_FORCE_UNLOAD=y
> -CONFIG_MODVERSIONS=y
> -CONFIG_PARTITION_ADVANCED=y
> -CONFIG_IA64_HP_SIM=y
> -CONFIG_MCKINLEY=y
> -CONFIG_IA64_PAGE_SIZE_64KB=y
> -CONFIG_SMP=y
> -CONFIG_NR_CPUS=64
> -CONFIG_PREEMPT=y
> -CONFIG_IA64_PALINFO=m
> -CONFIG_EFI_VARS=y
> -CONFIG_BINFMT_MISC=y
> -CONFIG_NET=y
> -CONFIG_PACKET=y
> -CONFIG_INET=y
> -CONFIG_IP_MULTICAST=y
> -# CONFIG_IPV6 is not set
> -# CONFIG_STANDALONE is not set
> -CONFIG_BLK_DEV_LOOP=y
> -CONFIG_BLK_DEV_RAM=y
> -CONFIG_SCSI=y
> -CONFIG_BLK_DEV_SD=y
> -CONFIG_SCSI_CONSTANTS=y
> -CONFIG_SCSI_LOGGING=y
> -CONFIG_SCSI_SPI_ATTRS=y
> -# CONFIG_INPUT_KEYBOARD is not set
> -# CONFIG_INPUT_MOUSE is not set
> -# CONFIG_SERIO_I8042 is not set
> -# CONFIG_LEGACY_PTYS is not set
> -CONFIG_EFI_RTC=y
> -# CONFIG_VGA_CONSOLE is not set
> -CONFIG_HP_SIMETH=y
> -CONFIG_HP_SIMSERIAL=y
> -CONFIG_HP_SIMSERIAL_CONSOLE=y
> -CONFIG_HP_SIMSCSI=y
> -CONFIG_EXT2_FS=y
> -CONFIG_EXT3_FS=y
> -# CONFIG_EXT3_FS_XATTR is not set
> -CONFIG_PROC_KCORE=y
> -CONFIG_HUGETLBFS=y
> -CONFIG_NFS_FS=y
> -CONFIG_NFSD=y
> -CONFIG_NFSD_V3=y
> -CONFIG_DEBUG_INFO=y
> -CONFIG_DEBUG_KERNEL=y
> -CONFIG_DEBUG_MUTEXES=y
> diff --git a/arch/ia64/hp/sim/Kconfig b/arch/ia64/hp/sim/Kconfig
> deleted file mode 100644
> index 56fb4f1d4f7c..000000000000
> --- a/arch/ia64/hp/sim/Kconfig
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -# SPDX-License-Identifier: GPL-2.0
> -
> -menu "HP Simulator drivers"
> -	depends on IA64_HP_SIM || IA64_GENERIC
> -
> -config HP_SIMETH
> -	bool "Simulated Ethernet "
> -	depends on NET
> -
> -config HP_SIMSERIAL
> -	bool "Simulated serial driver support"
> -	depends on TTY
> -
> -config HP_SIMSERIAL_CONSOLE
> -	bool "Console for HP simulator"
> -	depends on HP_SIMSERIAL
> -
> -config HP_SIMSCSI
> -	bool "Simulated SCSI disk"
> -	depends on SCSI=y
> -
> -endmenu
> -
> diff --git a/arch/ia64/hp/sim/Makefile b/arch/ia64/hp/sim/Makefile
> deleted file mode 100644
> index 0224a13d2c5b..000000000000
> --- a/arch/ia64/hp/sim/Makefile
> +++ /dev/null
> @@ -1,17 +0,0 @@
> -# SPDX-License-Identifier: GPL-2.0
> -#
> -# ia64/platform/hp/sim/Makefile
> -#
> -# Copyright (C) 2002 Hewlett-Packard Co.
> -#	David Mosberger-Tang <davidm@....hp.com>
> -# Copyright (C) 1999 Silicon Graphics, Inc.
> -# Copyright (C) Srinivasa Thirumalachar (sprasad@...r.sgi.com)
> -#
> -
> -obj-y := hpsim_irq.o hpsim_setup.o hpsim.o
> -obj-$(CONFIG_IA64_GENERIC) += hpsim_machvec.o
> -
> -obj-$(CONFIG_HP_SIMETH)	+= simeth.o
> -obj-$(CONFIG_HP_SIMSERIAL) += simserial.o
> -obj-$(CONFIG_HP_SIMSERIAL_CONSOLE) += hpsim_console.o
> -obj-$(CONFIG_HP_SIMSCSI) += simscsi.o
> diff --git a/arch/ia64/hp/sim/boot/Makefile b/arch/ia64/hp/sim/boot/Makefile
> deleted file mode 100644
> index df6e9968c845..000000000000
> --- a/arch/ia64/hp/sim/boot/Makefile
> +++ /dev/null
> @@ -1,37 +0,0 @@
> -#
> -# ia64/boot/Makefile
> -#
> -# This file is subject to the terms and conditions of the GNU General Public
> -# License.  See the file "COPYING" in the main directory of this archive
> -# for more details.
> -#
> -# Copyright (C) 1998, 2003 by David Mosberger-Tang <davidm@....hp.com>
> -#
> -
> -targets-$(CONFIG_IA64_HP_SIM)  += bootloader
> -targets := vmlinux.bin vmlinux.gz $(targets-y)
> -
> -quiet_cmd_cptotop = LN      $@
> -      cmd_cptotop = ln -f $< $@
> -
> -vmlinux.gz: $(obj)/vmlinux.gz $(addprefix $(obj)/,$(targets-y))
> -	$(call cmd,cptotop)
> -	@echo '  Kernel: $@ is ready'
> -
> -boot: bootloader
> -
> -bootloader: $(obj)/bootloader
> -	$(call cmd,cptotop)
> -
> -$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
> -	$(call if_changed,gzip)
> -
> -$(obj)/vmlinux.bin: vmlinux FORCE
> -	$(call if_changed,objcopy)
> -
> -
> -LDFLAGS_bootloader = -static -T
> -
> -$(obj)/bootloader: $(src)/bootloader.lds $(obj)/bootloader.o $(obj)/boot_head.o $(obj)/fw-emu.o \
> -                   lib/lib.a arch/ia64/lib/lib.a FORCE
> -	$(call if_changed,ld)
> diff --git a/arch/ia64/hp/sim/boot/boot_head.S b/arch/ia64/hp/sim/boot/boot_head.S
> deleted file mode 100644
> index a7d178fb41e8..000000000000
> --- a/arch/ia64/hp/sim/boot/boot_head.S
> +++ /dev/null
> @@ -1,165 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * Copyright (C) 1998-2003 Hewlett-Packard Co
> - *	David Mosberger-Tang <davidm@....hp.com>
> - */
> -
> -#include <asm/asmmacro.h>
> -#include <asm/pal.h>
> -
> -	.bss
> -	.align 16
> -stack_mem:
> -	.skip 16834
> -
> -	.text
> -
> -/* This needs to be defined because lib/string.c:strlcat() calls it in case of error... */
> -GLOBAL_ENTRY(printk)
> -	break 0
> -END(printk)
> -
> -GLOBAL_ENTRY(_start)
> -	.prologue
> -	.save rp, r0
> -	.body
> -	movl gp = __gp
> -	movl sp = stack_mem+16384-16
> -	bsw.1
> -	br.call.sptk.many rp=start_bootloader
> -0:	nop 0		  /* dummy nop to make unwinding work */
> -END(_start)
> -
> -/*
> - * Set a break point on this function so that symbols are available to set breakpoints in
> - * the kernel being debugged.
> - */
> -GLOBAL_ENTRY(debug_break)
> -	br.ret.sptk.many b0
> -END(debug_break)
> -
> -GLOBAL_ENTRY(ssc)
> -	.regstk 5,0,0,0
> -	mov r15=in4
> -	break 0x80001
> -	br.ret.sptk.many b0
> -END(ssc)
> -
> -GLOBAL_ENTRY(jmp_to_kernel)
> -	.regstk 2,0,0,0
> -	mov r28=in0
> -	mov b7=in1
> -	br.sptk.few b7
> -END(jmp_to_kernel)
> -
> -/*
> - * r28 contains the index of the PAL function
> - * r29--31 the args
> - * Return values in ret0--3 (r8--11)
> - */
> -GLOBAL_ENTRY(pal_emulator_static)
> -	mov r8=-1
> -	mov r9=256
> -	;;
> -	cmp.gtu p6,p7=r9,r28		/* r28 <= 255? */
> -(p6)	br.cond.sptk.few static
> -	;;
> -	mov r9=512
> -	;;
> -	cmp.gtu p6,p7=r9,r28
> -(p6)	br.cond.sptk.few stacked
> -	;;
> -static:	cmp.eq p6,p7=PAL_PTCE_INFO,r28
> -(p7)	br.cond.sptk.few 1f
> -	;;
> -	mov r8=0			/* status = 0 */
> -	movl r9=0x100000000		/* tc.base */
> -	movl r10=0x0000000200000003	/* count[0], count[1] */
> -	movl r11=0x1000000000002000	/* stride[0], stride[1] */
> -	br.cond.sptk.few rp
> -1:	cmp.eq p6,p7=PAL_FREQ_RATIOS,r28
> -(p7)	br.cond.sptk.few 1f
> -	mov r8=0			/* status = 0 */
> -	movl r9 =0x100000064		/* proc_ratio (1/100) */
> -	movl r10=0x100000100		/* bus_ratio<<32 (1/256) */
> -	movl r11=0x100000064		/* itc_ratio<<32 (1/100) */
> -	;;
> -1:	cmp.eq p6,p7=PAL_RSE_INFO,r28
> -(p7)	br.cond.sptk.few 1f
> -	mov r8=0			/* status = 0 */
> -	mov r9=96			/* num phys stacked */
> -	mov r10=0			/* hints */
> -	mov r11=0
> -	br.cond.sptk.few rp
> -1:	cmp.eq p6,p7=PAL_CACHE_FLUSH,r28		/* PAL_CACHE_FLUSH */
> -(p7)	br.cond.sptk.few 1f
> -	mov r9=ar.lc
> -	movl r8=524288			/* flush 512k million cache lines (16MB) */
> -	;;
> -	mov ar.lc=r8
> -	movl r8=0xe000000000000000
> -	;;
> -.loop:	fc r8
> -	add r8=32,r8
> -	br.cloop.sptk.few .loop
> -	sync.i
> -	;;
> -	srlz.i
> -	;;
> -	mov ar.lc=r9
> -	mov r8=r0
> -	;;
> -1:	cmp.eq p6,p7=PAL_PERF_MON_INFO,r28
> -(p7)	br.cond.sptk.few 1f
> -	mov r8=0			/* status = 0 */
> -	movl r9 =0x08122f04		/* generic=4 width=47 retired=8 cycles=18 */
> -	mov r10=0			/* reserved */
> -	mov r11=0			/* reserved */
> -	mov r16=0xffff			/* implemented PMC */
> -	mov r17=0x3ffff			/* implemented PMD */
> -	add r18=8,r29			/* second index */
> -	;;
> -	st8 [r29]=r16,16		/* store implemented PMC */
> -	st8 [r18]=r0,16			/* clear remaining bits  */
> -	;;
> -	st8 [r29]=r0,16			/* clear remaining bits  */
> -	st8 [r18]=r0,16			/* clear remaining bits  */
> -	;;
> -	st8 [r29]=r17,16		/* store implemented PMD */
> -	st8 [r18]=r0,16			/* clear remaining bits  */
> -	mov r16=0xf0			/* cycles count capable PMC */
> -	;;
> -	st8 [r29]=r0,16			/* clear remaining bits  */
> -	st8 [r18]=r0,16			/* clear remaining bits  */
> -	mov r17=0xf0			/* retired bundles capable PMC */
> -	;;
> -	st8 [r29]=r16,16		/* store cycles capable */
> -	st8 [r18]=r0,16			/* clear remaining bits  */
> -	;;
> -	st8 [r29]=r0,16			/* clear remaining bits  */
> -	st8 [r18]=r0,16			/* clear remaining bits  */
> -	;;
> -	st8 [r29]=r17,16		/* store retired bundle capable */
> -	st8 [r18]=r0,16			/* clear remaining bits  */
> -	;;
> -	st8 [r29]=r0,16			/* clear remaining bits  */
> -	st8 [r18]=r0,16			/* clear remaining bits  */
> -	;;
> -1:	cmp.eq p6,p7=PAL_VM_SUMMARY,r28
> -(p7)	br.cond.sptk.few 1f
> -	mov	r8=0			/* status = 0  */
> -	movl	r9=0x2044040020F1865	/* num_tc_levels=2, num_unique_tcs=4 */
> -					/* max_itr_entry=64, max_dtr_entry=64 */
> -					/* hash_tag_id=2, max_pkr=15 */
> -					/* key_size=24, phys_add_size=50, vw=1 */
> -	movl	r10=0x183C		/* rid_size=24, impl_va_msb=60 */
> -	;;
> -1:	cmp.eq p6,p7=PAL_MEM_ATTRIB,r28
> -(p7)	br.cond.sptk.few 1f
> -	mov	r8=0			/* status = 0 */
> -	mov	r9=0x80|0x01		/* NatPage|WB */
> -	;;
> -1:	br.cond.sptk.few rp
> -stacked:
> -	br.ret.sptk.few rp
> -END(pal_emulator_static)
> diff --git a/arch/ia64/hp/sim/boot/bootloader.c b/arch/ia64/hp/sim/boot/bootloader.c
> deleted file mode 100644
> index 6d804608dc81..000000000000
> --- a/arch/ia64/hp/sim/boot/bootloader.c
> +++ /dev/null
> @@ -1,175 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * arch/ia64/hp/sim/boot/bootloader.c
> - *
> - * Loads an ELF kernel.
> - *
> - * Copyright (C) 1998-2003 Hewlett-Packard Co
> - *	David Mosberger-Tang <davidm@....hp.com>
> - *	Stephane Eranian <eranian@....hp.com>
> - *
> - * 01/07/99 S.Eranian modified to pass command line arguments to kernel
> - */
> -struct task_struct;	/* forward declaration for elf.h */
> -
> -#include <linux/elf.h>
> -#include <linux/init.h>
> -#include <linux/kernel.h>
> -
> -#include <asm/elf.h>
> -#include <asm/intrinsics.h>
> -#include <asm/pal.h>
> -#include <asm/pgtable.h>
> -#include <asm/sal.h>
> -
> -#include "ssc.h"
> -
> -struct disk_req {
> -	unsigned long addr;
> -	unsigned len;
> -};
> -
> -struct disk_stat {
> -	int fd;
> -	unsigned count;
> -};
> -
> -extern void jmp_to_kernel (unsigned long bp, unsigned long e_entry);
> -extern struct ia64_boot_param *sys_fw_init (const char *args, int arglen);
> -extern void debug_break (void);
> -
> -static void
> -cons_write (const char *buf)
> -{
> -	unsigned long ch;
> -
> -	while ((ch = *buf++) != '\0') {
> -		ssc(ch, 0, 0, 0, SSC_PUTCHAR);
> -		if (ch == '\n')
> -		  ssc('\r', 0, 0, 0, SSC_PUTCHAR);
> -	}
> -}
> -
> -#define MAX_ARGS 32
> -
> -void
> -start_bootloader (void)
> -{
> -	static char mem[4096];
> -	static char buffer[1024];
> -	unsigned long off;
> -	int fd, i;
> -	struct disk_req req;
> -	struct disk_stat stat;
> -	struct elfhdr *elf;
> -	struct elf_phdr *elf_phdr;	/* program header */
> -	unsigned long e_entry, e_phoff, e_phnum;
> -	register struct ia64_boot_param *bp;
> -	char *kpath, *args;
> -	long arglen = 0;
> -
> -	ssc(0, 0, 0, 0, SSC_CONSOLE_INIT);
> -
> -	/*
> -	 * S.Eranian: extract the commandline argument from the simulator
> -	 *
> -	 * The expected format is as follows:
> -         *
> -	 *	kernelname args...
> -	 *
> -	 * Both are optional but you can't have the second one without the first.
> -	 */
> -	arglen = ssc((long) buffer, 0, 0, 0, SSC_GET_ARGS);
> -
> -	kpath = "vmlinux";
> -	args = buffer;
> -	if (arglen > 0) {
> -		kpath = buffer;
> -		while (*args != ' ' && *args != '\0')
> -			++args, --arglen;
> -		if (*args == ' ')
> -			*args++ = '\0', --arglen;
> -	}
> -
> -	if (arglen <= 0) {
> -		args = "";
> -		arglen = 1;
> -	}
> -
> -	fd = ssc((long) kpath, 1, 0, 0, SSC_OPEN);
> -
> -	if (fd < 0) {
> -		cons_write(kpath);
> -		cons_write(": file not found, reboot now\n");
> -		for(;;);
> -	}
> -	stat.fd = fd;
> -	off = 0;
> -
> -	req.len = sizeof(mem);
> -	req.addr = (long) mem;
> -	ssc(fd, 1, (long) &req, off, SSC_READ);
> -	ssc((long) &stat, 0, 0, 0, SSC_WAIT_COMPLETION);
> -
> -	elf = (struct elfhdr *) mem;
> -	if (elf->e_ident[0] == 0x7f && strncmp(elf->e_ident + 1, "ELF", 3) != 0) {
> -		cons_write("not an ELF file\n");
> -		return;
> -	}
> -	if (elf->e_type != ET_EXEC) {
> -		cons_write("not an ELF executable\n");
> -		return;
> -	}
> -	if (!elf_check_arch(elf)) {
> -		cons_write("kernel not for this processor\n");
> -		return;
> -	}
> -
> -	e_entry = elf->e_entry;
> -	e_phnum = elf->e_phnum;
> -	e_phoff = elf->e_phoff;
> -
> -	cons_write("loading ");
> -	cons_write(kpath);
> -	cons_write("...\n");
> -
> -	for (i = 0; i < e_phnum; ++i) {
> -		req.len = sizeof(*elf_phdr);
> -		req.addr = (long) mem;
> -		ssc(fd, 1, (long) &req, e_phoff, SSC_READ);
> -		ssc((long) &stat, 0, 0, 0, SSC_WAIT_COMPLETION);
> -		if (stat.count != sizeof(*elf_phdr)) {
> -			cons_write("failed to read phdr\n");
> -			return;
> -		}
> -		e_phoff += sizeof(*elf_phdr);
> -
> -		elf_phdr = (struct elf_phdr *) mem;
> -
> -		if (elf_phdr->p_type != PT_LOAD)
> -			continue;
> -
> -		req.len = elf_phdr->p_filesz;
> -		req.addr = __pa(elf_phdr->p_paddr);
> -		ssc(fd, 1, (long) &req, elf_phdr->p_offset, SSC_READ);
> -		ssc((long) &stat, 0, 0, 0, SSC_WAIT_COMPLETION);
> -		memset((char *)__pa(elf_phdr->p_paddr) + elf_phdr->p_filesz, 0,
> -		       elf_phdr->p_memsz - elf_phdr->p_filesz);
> -	}
> -	ssc(fd, 0, 0, 0, SSC_CLOSE);
> -
> -	cons_write("starting kernel...\n");
> -
> -	/* fake an I/O base address: */
> -	ia64_setreg(_IA64_REG_AR_KR0, 0xffffc000000UL);
> -
> -	bp = sys_fw_init(args, arglen);
> -
> -	ssc(0, (long) kpath, 0, 0, SSC_LOAD_SYMBOLS);
> -
> -	debug_break();
> -	jmp_to_kernel((unsigned long) bp, e_entry);
> -
> -	cons_write("kernel returned!\n");
> -	ssc(-1, 0, 0, 0, SSC_EXIT);
> -}
> diff --git a/arch/ia64/hp/sim/boot/bootloader.lds b/arch/ia64/hp/sim/boot/bootloader.lds
> deleted file mode 100644
> index f3f284d6514c..000000000000
> --- a/arch/ia64/hp/sim/boot/bootloader.lds
> +++ /dev/null
> @@ -1,67 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -OUTPUT_FORMAT("elf64-ia64-little")
> -OUTPUT_ARCH(ia64)
> -ENTRY(_start)
> -SECTIONS
> -{
> -  /* Read-only sections, merged into text segment: */
> -  . = 0x100000;
> -
> -  _text = .;
> -  .text : { *(__ivt_section) *(.text) }
> -  _etext = .;
> -
> -  /* Global data */
> -  _data = .;
> -  .rodata : { *(.rodata) *(.rodata.*) }
> -  .data    : { *(.data) *(.gnu.linkonce.d*) CONSTRUCTORS }
> -  __gp = ALIGN (8) + 0x200000;
> -  .got           : { *(.got.plt) *(.got) }
> -  /* We want the small data sections together, so single-instruction offsets
> -     can access them all, and initialized data all before uninitialized, so
> -     we can shorten the on-disk segment size.  */
> -  .sdata     : { *(.sdata) }
> -  _edata  =  .;
> -
> -  __bss_start = .;
> -  .sbss      : { *(.sbss) *(.scommon) }
> -  .bss       : { *(.bss) *(COMMON) }
> -  . = ALIGN(64 / 8);
> -  __bss_stop = .;
> -  _end = . ;
> -
> -  /* Stabs debugging sections.  */
> -  .stab 0 : { *(.stab) }
> -  .stabstr 0 : { *(.stabstr) }
> -  .stab.excl 0 : { *(.stab.excl) }
> -  .stab.exclstr 0 : { *(.stab.exclstr) }
> -  .stab.index 0 : { *(.stab.index) }
> -  .stab.indexstr 0 : { *(.stab.indexstr) }
> -  .comment 0 : { *(.comment) }
> -  /* DWARF debug sections.
> -     Symbols in the DWARF debugging sections are relative to the beginning
> -     of the section so we begin them at 0.  */
> -  /* DWARF 1 */
> -  .debug          0 : { *(.debug) }
> -  .line           0 : { *(.line) }
> -  /* GNU DWARF 1 extensions */
> -  .debug_srcinfo  0 : { *(.debug_srcinfo) }
> -  .debug_sfnames  0 : { *(.debug_sfnames) }
> -  /* DWARF 1.1 and DWARF 2 */
> -  .debug_aranges  0 : { *(.debug_aranges) }
> -  .debug_pubnames 0 : { *(.debug_pubnames) }
> -  /* DWARF 2 */
> -  .debug_info     0 : { *(.debug_info) }
> -  .debug_abbrev   0 : { *(.debug_abbrev) }
> -  .debug_line     0 : { *(.debug_line) }
> -  .debug_frame    0 : { *(.debug_frame) }
> -  .debug_str      0 : { *(.debug_str) }
> -  .debug_loc      0 : { *(.debug_loc) }
> -  .debug_macinfo  0 : { *(.debug_macinfo) }
> -  /* SGI/MIPS DWARF 2 extensions */
> -  .debug_weaknames 0 : { *(.debug_weaknames) }
> -  .debug_funcnames 0 : { *(.debug_funcnames) }
> -  .debug_typenames 0 : { *(.debug_typenames) }
> -  .debug_varnames  0 : { *(.debug_varnames) }
> -  /* These must appear regardless of  .  */
> -}
> diff --git a/arch/ia64/hp/sim/boot/fw-emu.c b/arch/ia64/hp/sim/boot/fw-emu.c
> deleted file mode 100644
> index 517fb2822e04..000000000000
> --- a/arch/ia64/hp/sim/boot/fw-emu.c
> +++ /dev/null
> @@ -1,374 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * PAL & SAL emulation.
> - *
> - * Copyright (C) 1998-2001 Hewlett-Packard Co
> - *	David Mosberger-Tang <davidm@....hp.com>
> - */
> -
> -#ifdef CONFIG_PCI
> -# include <linux/pci.h>
> -#endif
> -
> -#include <linux/efi.h>
> -#include <asm/io.h>
> -#include <asm/pal.h>
> -#include <asm/sal.h>
> -#include <asm/setup.h>
> -
> -#include "ssc.h"
> -
> -#define MB	(1024*1024UL)
> -
> -#define SIMPLE_MEMMAP	1
> -
> -#if SIMPLE_MEMMAP
> -# define NUM_MEM_DESCS	4
> -#else
> -# define NUM_MEM_DESCS	16
> -#endif
> -
> -static char fw_mem[(  sizeof(struct ia64_boot_param)
> -		    + sizeof(efi_system_table_t)
> -		    + sizeof(efi_runtime_services_t)
> -		    + 1*sizeof(efi_config_table_t)
> -		    + sizeof(struct ia64_sal_systab)
> -		    + sizeof(struct ia64_sal_desc_entry_point)
> -		    + NUM_MEM_DESCS*(sizeof(efi_memory_desc_t))
> -		    + 1024)] __attribute__ ((aligned (8)));
> -
> -#define SECS_PER_HOUR   (60 * 60)
> -#define SECS_PER_DAY    (SECS_PER_HOUR * 24)
> -
> -/* Compute the `struct tm' representation of *T,
> -   offset OFFSET seconds east of UTC,
> -   and store year, yday, mon, mday, wday, hour, min, sec into *TP.
> -   Return nonzero if successful.  */
> -int
> -offtime (unsigned long t, efi_time_t *tp)
> -{
> -	const unsigned short int __mon_yday[2][13] =
> -	{
> -		/* Normal years.  */
> -		{ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
> -		/* Leap years.  */
> -		{ 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
> -	};
> -	long int days, rem, y;
> -	const unsigned short int *ip;
> -
> -	days = t / SECS_PER_DAY;
> -	rem = t % SECS_PER_DAY;
> -	while (rem < 0) {
> -		rem += SECS_PER_DAY;
> -		--days;
> -	}
> -	while (rem >= SECS_PER_DAY) {
> -		rem -= SECS_PER_DAY;
> -		++days;
> -	}
> -	tp->hour = rem / SECS_PER_HOUR;
> -	rem %= SECS_PER_HOUR;
> -	tp->minute = rem / 60;
> -	tp->second = rem % 60;
> -	/* January 1, 1970 was a Thursday.  */
> -	y = 1970;
> -
> -#	define DIV(a, b) ((a) / (b) - ((a) % (b) < 0))
> -#	define LEAPS_THRU_END_OF(y) (DIV (y, 4) - DIV (y, 100) + DIV (y, 400))
> -#	define __isleap(year) \
> -	  ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
> -
> -	while (days < 0 || days >= (__isleap (y) ? 366 : 365)) {
> -		/* Guess a corrected year, assuming 365 days per year.  */
> -		long int yg = y + days / 365 - (days % 365 < 0);
> -
> -		/* Adjust DAYS and Y to match the guessed year.  */
> -		days -= ((yg - y) * 365 + LEAPS_THRU_END_OF (yg - 1)
> -			 - LEAPS_THRU_END_OF (y - 1));
> -		y = yg;
> -	}
> -	tp->year = y;
> -	ip = __mon_yday[__isleap(y)];
> -	for (y = 11; days < (long int) ip[y]; --y)
> -		continue;
> -	days -= ip[y];
> -	tp->month = y + 1;
> -	tp->day = days + 1;
> -	return 1;
> -}
> -
> -extern void pal_emulator_static (void);
> -
> -/* Macro to emulate SAL call using legacy IN and OUT calls to CF8, CFC etc.. */
> -
> -#define BUILD_CMD(addr)		((0x80000000 | (addr)) & ~3)
> -
> -#define REG_OFFSET(addr)	(0x00000000000000FF & (addr))
> -#define DEVICE_FUNCTION(addr)	(0x000000000000FF00 & (addr))
> -#define BUS_NUMBER(addr)	(0x0000000000FF0000 & (addr))
> -
> -static efi_status_t
> -fw_efi_get_time (efi_time_t *tm, efi_time_cap_t *tc)
> -{
> -#if defined(CONFIG_IA64_HP_SIM) || defined(CONFIG_IA64_GENERIC)
> -	struct {
> -		int tv_sec;	/* must be 32bits to work */
> -		int tv_usec;
> -	} tv32bits;
> -
> -	ssc((unsigned long) &tv32bits, 0, 0, 0, SSC_GET_TOD);
> -
> -	memset(tm, 0, sizeof(*tm));
> -	offtime(tv32bits.tv_sec, tm);
> -
> -	if (tc)
> -		memset(tc, 0, sizeof(*tc));
> -#else
> -#	error Not implemented yet...
> -#endif
> -	return EFI_SUCCESS;
> -}
> -
> -static void
> -efi_reset_system (int reset_type, efi_status_t status, unsigned long data_size, efi_char16_t *data)
> -{
> -#if defined(CONFIG_IA64_HP_SIM) || defined(CONFIG_IA64_GENERIC)
> -	ssc(status, 0, 0, 0, SSC_EXIT);
> -#else
> -#	error Not implemented yet...
> -#endif
> -}
> -
> -static efi_status_t
> -efi_unimplemented (void)
> -{
> -	return EFI_UNSUPPORTED;
> -}
> -
> -static struct sal_ret_values
> -sal_emulator (long index, unsigned long in1, unsigned long in2,
> -	      unsigned long in3, unsigned long in4, unsigned long in5,
> -	      unsigned long in6, unsigned long in7)
> -{
> -	long r9  = 0;
> -	long r10 = 0;
> -	long r11 = 0;
> -	long status;
> -
> -	/*
> -	 * Don't do a "switch" here since that gives us code that
> -	 * isn't self-relocatable.
> -	 */
> -	status = 0;
> -	if (index == SAL_FREQ_BASE) {
> -		if (in1 == SAL_FREQ_BASE_PLATFORM)
> -			r9 = 200000000;
> -		else if (in1 == SAL_FREQ_BASE_INTERVAL_TIMER) {
> -			/*
> -			 * Is this supposed to be the cr.itc frequency
> -			 * or something platform specific?  The SAL
> -			 * doc ain't exactly clear on this...
> -			 */
> -			r9 = 700000000;
> -		} else if (in1 == SAL_FREQ_BASE_REALTIME_CLOCK)
> -			r9 = 1;
> -		else
> -			status = -1;
> -	} else if (index == SAL_SET_VECTORS) {
> -		;
> -	} else if (index == SAL_GET_STATE_INFO) {
> -		;
> -	} else if (index == SAL_GET_STATE_INFO_SIZE) {
> -		;
> -	} else if (index == SAL_CLEAR_STATE_INFO) {
> -		;
> -	} else if (index == SAL_MC_RENDEZ) {
> -		;
> -	} else if (index == SAL_MC_SET_PARAMS) {
> -		;
> -	} else if (index == SAL_CACHE_FLUSH) {
> -		;
> -	} else if (index == SAL_CACHE_INIT) {
> -		;
> -#ifdef CONFIG_PCI
> -	} else if (index == SAL_PCI_CONFIG_READ) {
> -		/*
> -		 * in1 contains the PCI configuration address and in2
> -		 * the size of the read.  The value that is read is
> -		 * returned via the general register r9.
> -		 */
> -                outl(BUILD_CMD(in1), 0xCF8);
> -                if (in2 == 1)                           /* Reading byte  */
> -                        r9 = inb(0xCFC + ((REG_OFFSET(in1) & 3)));
> -                else if (in2 == 2)                      /* Reading word  */
> -                        r9 = inw(0xCFC + ((REG_OFFSET(in1) & 2)));
> -                else                                    /* Reading dword */
> -                        r9 = inl(0xCFC);
> -                status = PCIBIOS_SUCCESSFUL;
> -	} else if (index == SAL_PCI_CONFIG_WRITE) {
> -	      	/*
> -		 * in1 contains the PCI configuration address, in2 the
> -		 * size of the write, and in3 the actual value to be
> -		 * written out.
> -		 */
> -                outl(BUILD_CMD(in1), 0xCF8);
> -                if (in2 == 1)                           /* Writing byte  */
> -                        outb(in3, 0xCFC + ((REG_OFFSET(in1) & 3)));
> -                else if (in2 == 2)                      /* Writing word  */
> -                        outw(in3, 0xCFC + ((REG_OFFSET(in1) & 2)));
> -                else                                    /* Writing dword */
> -                        outl(in3, 0xCFC);
> -                status = PCIBIOS_SUCCESSFUL;
> -#endif /* CONFIG_PCI */
> -	} else if (index == SAL_UPDATE_PAL) {
> -		;
> -	} else {
> -		status = -1;
> -	}
> -	return ((struct sal_ret_values) {status, r9, r10, r11});
> -}
> -
> -struct ia64_boot_param *
> -sys_fw_init (const char *args, int arglen)
> -{
> -	efi_system_table_t *efi_systab;
> -	efi_runtime_services_t *efi_runtime;
> -	efi_config_table_t *efi_tables;
> -	struct ia64_sal_systab *sal_systab;
> -	efi_memory_desc_t *efi_memmap, *md;
> -	unsigned long *pal_desc, *sal_desc;
> -	struct ia64_sal_desc_entry_point *sal_ed;
> -	struct ia64_boot_param *bp;
> -	unsigned char checksum = 0;
> -	char *cp, *cmd_line;
> -	int i = 0;
> -#	define MAKE_MD(typ, attr, start, end)		\
> -	do {						\
> -		md = efi_memmap + i++;			\
> -		md->type = typ;				\
> -		md->pad = 0;				\
> -		md->phys_addr = start;			\
> -		md->virt_addr = 0;			\
> -		md->num_pages = (end - start) >> 12;	\
> -		md->attribute = attr;			\
> -	} while (0)
> -
> -	memset(fw_mem, 0, sizeof(fw_mem));
> -
> -	pal_desc = (unsigned long *) &pal_emulator_static;
> -	sal_desc = (unsigned long *) &sal_emulator;
> -
> -	cp = fw_mem;
> -	efi_systab  = (void *) cp; cp += sizeof(*efi_systab);
> -	efi_runtime = (void *) cp; cp += sizeof(*efi_runtime);
> -	efi_tables  = (void *) cp; cp += sizeof(*efi_tables);
> -	sal_systab  = (void *) cp; cp += sizeof(*sal_systab);
> -	sal_ed      = (void *) cp; cp += sizeof(*sal_ed);
> -	efi_memmap  = (void *) cp; cp += NUM_MEM_DESCS*sizeof(*efi_memmap);
> -	bp	    = (void *) cp; cp += sizeof(*bp);
> -	cmd_line    = (void *) cp;
> -
> -	if (args) {
> -		if (arglen >= 1024)
> -			arglen = 1023;
> -		memcpy(cmd_line, args, arglen);
> -	} else {
> -		arglen = 0;
> -	}
> -	cmd_line[arglen] = '\0';
> -
> -	memset(efi_systab, 0, sizeof(*efi_systab));
> -	efi_systab->hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE;
> -	efi_systab->hdr.revision  = ((1 << 16) | 00);
> -	efi_systab->hdr.headersize = sizeof(efi_systab->hdr);
> -	efi_systab->fw_vendor = __pa("H\0e\0w\0l\0e\0t\0t\0-\0P\0a\0c\0k\0a\0r\0d\0\0");
> -	efi_systab->fw_revision = 1;
> -	efi_systab->runtime = (void *) __pa(efi_runtime);
> -	efi_systab->nr_tables = 1;
> -	efi_systab->tables = __pa(efi_tables);
> -
> -	efi_runtime->hdr.signature = EFI_RUNTIME_SERVICES_SIGNATURE;
> -	efi_runtime->hdr.revision = EFI_RUNTIME_SERVICES_REVISION;
> -	efi_runtime->hdr.headersize = sizeof(efi_runtime->hdr);
> -	efi_runtime->get_time = (void *)__pa(&fw_efi_get_time);
> -	efi_runtime->set_time = (void *)__pa(&efi_unimplemented);
> -	efi_runtime->get_wakeup_time = (void *)__pa(&efi_unimplemented);
> -	efi_runtime->set_wakeup_time = (void *)__pa(&efi_unimplemented);
> -	efi_runtime->set_virtual_address_map = (void *)__pa(&efi_unimplemented);
> -	efi_runtime->get_variable = (void *)__pa(&efi_unimplemented);
> -	efi_runtime->get_next_variable = (void *)__pa(&efi_unimplemented);
> -	efi_runtime->set_variable = (void *)__pa(&efi_unimplemented);
> -	efi_runtime->get_next_high_mono_count = (void *)__pa(&efi_unimplemented);
> -	efi_runtime->reset_system = (void *)__pa(&efi_reset_system);
> -
> -	efi_tables->guid = SAL_SYSTEM_TABLE_GUID;
> -	efi_tables->table = __pa(sal_systab);
> -
> -	/* fill in the SAL system table: */
> -	memcpy(sal_systab->signature, "SST_", 4);
> -	sal_systab->size = sizeof(*sal_systab);
> -	sal_systab->sal_rev_minor = 1;
> -	sal_systab->sal_rev_major = 0;
> -	sal_systab->entry_count = 1;
> -
> -#ifdef CONFIG_IA64_GENERIC
> -        strcpy(sal_systab->oem_id, "Generic");
> -        strcpy(sal_systab->product_id, "IA-64 system");
> -#endif
> -
> -#ifdef CONFIG_IA64_HP_SIM
> -	strcpy(sal_systab->oem_id, "Hewlett-Packard");
> -	strcpy(sal_systab->product_id, "HP-simulator");
> -#endif
> -
> -	/* fill in an entry point: */
> -	sal_ed->type = SAL_DESC_ENTRY_POINT;
> -	sal_ed->pal_proc = __pa(pal_desc[0]);
> -	sal_ed->sal_proc = __pa(sal_desc[0]);
> -	sal_ed->gp = __pa(sal_desc[1]);
> -
> -	for (cp = (char *) sal_systab; cp < (char *) efi_memmap; ++cp)
> -		checksum += *cp;
> -
> -	sal_systab->checksum = -checksum;
> -
> -#if SIMPLE_MEMMAP
> -	/* simulate free memory at physical address zero */
> -	MAKE_MD(EFI_BOOT_SERVICES_DATA,		EFI_MEMORY_WB,    0*MB,    1*MB);
> -	MAKE_MD(EFI_PAL_CODE,			EFI_MEMORY_WB,    1*MB,    2*MB);
> -	MAKE_MD(EFI_CONVENTIONAL_MEMORY,	EFI_MEMORY_WB,    2*MB,  130*MB);
> -	MAKE_MD(EFI_CONVENTIONAL_MEMORY,	EFI_MEMORY_WB, 4096*MB, 4128*MB);
> -#else
> -	MAKE_MD( 4,		   0x9, 0x0000000000000000, 0x0000000000001000);
> -	MAKE_MD( 7,		   0x9, 0x0000000000001000, 0x000000000008a000);
> -	MAKE_MD( 4,		   0x9, 0x000000000008a000, 0x00000000000a0000);
> -	MAKE_MD( 5, 0x8000000000000009, 0x00000000000c0000, 0x0000000000100000);
> -	MAKE_MD( 7,		   0x9, 0x0000000000100000, 0x0000000004400000);
> -	MAKE_MD( 2,		   0x9, 0x0000000004400000, 0x0000000004be5000);
> -	MAKE_MD( 7,		   0x9, 0x0000000004be5000, 0x000000007f77e000);
> -	MAKE_MD( 6, 0x8000000000000009, 0x000000007f77e000, 0x000000007fb94000);
> -	MAKE_MD( 6, 0x8000000000000009, 0x000000007fb94000, 0x000000007fb95000);
> -	MAKE_MD( 6, 0x8000000000000009, 0x000000007fb95000, 0x000000007fc00000);
> -	MAKE_MD(13, 0x8000000000000009, 0x000000007fc00000, 0x000000007fc3a000);
> -	MAKE_MD( 7,		   0x9, 0x000000007fc3a000, 0x000000007fea0000);
> -	MAKE_MD( 5, 0x8000000000000009, 0x000000007fea0000, 0x000000007fea8000);
> -	MAKE_MD( 7,		   0x9, 0x000000007fea8000, 0x000000007feab000);
> -	MAKE_MD( 5, 0x8000000000000009, 0x000000007feab000, 0x000000007ffff000);
> -	MAKE_MD( 7,		   0x9, 0x00000000ff400000, 0x0000000104000000);
> -#endif
> -
> -	bp->efi_systab = __pa(&fw_mem);
> -	bp->efi_memmap = __pa(efi_memmap);
> -	bp->efi_memmap_size = NUM_MEM_DESCS*sizeof(efi_memory_desc_t);
> -	bp->efi_memdesc_size = sizeof(efi_memory_desc_t);
> -	bp->efi_memdesc_version = 1;
> -	bp->command_line = __pa(cmd_line);
> -	bp->console_info.num_cols = 80;
> -	bp->console_info.num_rows = 25;
> -	bp->console_info.orig_x = 0;
> -	bp->console_info.orig_y = 24;
> -	bp->fpswa = 0;
> -
> -	return bp;
> -}
> diff --git a/arch/ia64/hp/sim/boot/ssc.h b/arch/ia64/hp/sim/boot/ssc.h
> deleted file mode 100644
> index 88752c7509e0..000000000000
> --- a/arch/ia64/hp/sim/boot/ssc.h
> +++ /dev/null
> @@ -1,36 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * Copyright (C) 1998-2003 Hewlett-Packard Co
> - *	David Mosberger-Tang <davidm@....hp.com>
> - *	Stephane Eranian <eranian@....hp.com>
> - */
> -#ifndef ssc_h
> -#define ssc_h
> -
> -/* Simulator system calls: */
> -
> -#define SSC_CONSOLE_INIT		20
> -#define SSC_GETCHAR			21
> -#define SSC_PUTCHAR			31
> -#define SSC_OPEN			50
> -#define SSC_CLOSE			51
> -#define SSC_READ			52
> -#define SSC_WRITE			53
> -#define SSC_GET_COMPLETION		54
> -#define SSC_WAIT_COMPLETION		55
> -#define SSC_CONNECT_INTERRUPT		58
> -#define SSC_GENERATE_INTERRUPT		59
> -#define SSC_SET_PERIODIC_INTERRUPT	60
> -#define SSC_GET_RTC			65
> -#define SSC_EXIT			66
> -#define SSC_LOAD_SYMBOLS		69
> -#define SSC_GET_TOD			74
> -
> -#define SSC_GET_ARGS			75
> -
> -/*
> - * Simulator system call.
> - */
> -extern long ssc (long arg0, long arg1, long arg2, long arg3, int nr);
> -
> -#endif /* ssc_h */
> diff --git a/arch/ia64/hp/sim/hpsim.S b/arch/ia64/hp/sim/hpsim.S
> deleted file mode 100644
> index 44b4d53e1689..000000000000
> --- a/arch/ia64/hp/sim/hpsim.S
> +++ /dev/null
> @@ -1,11 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -#include <asm/asmmacro.h>
> -
> -/*
> - * Simulator system call.
> - */
> -GLOBAL_ENTRY(ia64_ssc)
> -	mov r15=r36
> -	break 0x80001
> -	br.ret.sptk.many rp
> -END(ia64_ssc)
> diff --git a/arch/ia64/hp/sim/hpsim_console.c b/arch/ia64/hp/sim/hpsim_console.c
> deleted file mode 100644
> index bffd9f67a8a1..000000000000
> --- a/arch/ia64/hp/sim/hpsim_console.c
> +++ /dev/null
> @@ -1,77 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * Platform dependent support for HP simulator.
> - *
> - * Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
> - *	David Mosberger-Tang <davidm@....hp.com>
> - * Copyright (C) 1999 Vijay Chander <vijay@...r.sgi.com>
> - */
> -
> -#include <linux/init.h>
> -#include <linux/kernel.h>
> -#include <linux/param.h>
> -#include <linux/string.h>
> -#include <linux/types.h>
> -#include <linux/tty.h>
> -#include <linux/kdev_t.h>
> -#include <linux/console.h>
> -
> -#include <asm/delay.h>
> -#include <asm/irq.h>
> -#include <asm/pal.h>
> -#include <asm/machvec.h>
> -#include <asm/pgtable.h>
> -#include <asm/sal.h>
> -#include <asm/hpsim.h>
> -
> -#include "hpsim_ssc.h"
> -
> -static int simcons_init (struct console *, char *);
> -static void simcons_write (struct console *, const char *, unsigned);
> -static struct tty_driver *simcons_console_device (struct console *, int *);
> -
> -static struct console hpsim_cons = {
> -	.name =		"simcons",
> -	.write =	simcons_write,
> -	.device =	simcons_console_device,
> -	.setup =	simcons_init,
> -	.flags =	CON_PRINTBUFFER,
> -	.index =	-1,
> -};
> -
> -static int
> -simcons_init (struct console *cons, char *options)
> -{
> -	return 0;
> -}
> -
> -static void
> -simcons_write (struct console *cons, const char *buf, unsigned count)
> -{
> -	unsigned long ch;
> -
> -	while (count-- > 0) {
> -		ch = *buf++;
> -		ia64_ssc(ch, 0, 0, 0, SSC_PUTCHAR);
> -		if (ch == '\n')
> -		  ia64_ssc('\r', 0, 0, 0, SSC_PUTCHAR);
> -	}
> -}
> -
> -static struct tty_driver *simcons_console_device (struct console *c, int *index)
> -{
> -	*index = c->index;
> -	return hp_simserial_driver;
> -}
> -
> -int simcons_register(void)
> -{
> -	if (!ia64_platform_is("hpsim"))
> -		return 1;
> -
> -	if (hpsim_cons.flags & CON_ENABLED)
> -		return 1;
> -
> -	register_console(&hpsim_cons);
> -	return 0;
> -}
> diff --git a/arch/ia64/hp/sim/hpsim_irq.c b/arch/ia64/hp/sim/hpsim_irq.c
> deleted file mode 100644
> index 2f1cc59650ab..000000000000
> --- a/arch/ia64/hp/sim/hpsim_irq.c
> +++ /dev/null
> @@ -1,76 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * Platform dependent support for HP simulator.
> - *
> - * Copyright (C) 1998-2001 Hewlett-Packard Co
> - * Copyright (C) 1998-2001 David Mosberger-Tang <davidm@....hp.com>
> - */
> -
> -#include <linux/init.h>
> -#include <linux/kernel.h>
> -#include <linux/sched.h>
> -#include <linux/irq.h>
> -
> -#include "hpsim_ssc.h"
> -
> -static unsigned int
> -hpsim_irq_startup(struct irq_data *data)
> -{
> -	return 0;
> -}
> -
> -static void
> -hpsim_irq_noop(struct irq_data *data)
> -{
> -}
> -
> -static int
> -hpsim_set_affinity_noop(struct irq_data *d, const struct cpumask *b, bool f)
> -{
> -	return 0;
> -}
> -
> -static struct irq_chip irq_type_hp_sim = {
> -	.name =			"hpsim",
> -	.irq_startup =		hpsim_irq_startup,
> -	.irq_shutdown =		hpsim_irq_noop,
> -	.irq_enable =		hpsim_irq_noop,
> -	.irq_disable =		hpsim_irq_noop,
> -	.irq_ack =		hpsim_irq_noop,
> -	.irq_set_affinity =	hpsim_set_affinity_noop,
> -};
> -
> -static void hpsim_irq_set_chip(int irq)
> -{
> -	struct irq_chip *chip = irq_get_chip(irq);
> -
> -	if (chip == &no_irq_chip)
> -		irq_set_chip(irq, &irq_type_hp_sim);
> -}
> -
> -static void hpsim_connect_irq(int intr, int irq)
> -{
> -	ia64_ssc(intr, irq, 0, 0, SSC_CONNECT_INTERRUPT);
> -}
> -
> -int hpsim_get_irq(int intr)
> -{
> -	int irq = assign_irq_vector(AUTO_ASSIGN);
> -
> -	if (irq >= 0) {
> -		hpsim_irq_set_chip(irq);
> -		irq_set_handler(irq, handle_simple_irq);
> -		hpsim_connect_irq(intr, irq);
> -	}
> -
> -	return irq;
> -}
> -
> -void __init
> -hpsim_irq_init (void)
> -{
> -	int i;
> -
> -	for_each_active_irq(i)
> -		hpsim_irq_set_chip(i);
> -}
> diff --git a/arch/ia64/hp/sim/hpsim_machvec.c b/arch/ia64/hp/sim/hpsim_machvec.c
> deleted file mode 100644
> index c21419359185..000000000000
> --- a/arch/ia64/hp/sim/hpsim_machvec.c
> +++ /dev/null
> @@ -1,3 +0,0 @@
> -#define MACHVEC_PLATFORM_NAME		hpsim
> -#define MACHVEC_PLATFORM_HEADER		<asm/machvec_hpsim.h>
> -#include <asm/machvec_init.h>
> diff --git a/arch/ia64/hp/sim/hpsim_setup.c b/arch/ia64/hp/sim/hpsim_setup.c
> deleted file mode 100644
> index 41d21d51dc4d..000000000000
> --- a/arch/ia64/hp/sim/hpsim_setup.c
> +++ /dev/null
> @@ -1,41 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * Platform dependent support for HP simulator.
> - *
> - * Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
> - *	David Mosberger-Tang <davidm@....hp.com>
> - * Copyright (C) 1999 Vijay Chander <vijay@...r.sgi.com>
> - */
> -#include <linux/console.h>
> -#include <linux/init.h>
> -#include <linux/kdev_t.h>
> -#include <linux/kernel.h>
> -#include <linux/major.h>
> -#include <linux/param.h>
> -#include <linux/root_dev.h>
> -#include <linux/string.h>
> -#include <linux/types.h>
> -
> -#include <asm/delay.h>
> -#include <asm/irq.h>
> -#include <asm/pal.h>
> -#include <asm/machvec.h>
> -#include <asm/pgtable.h>
> -#include <asm/sal.h>
> -#include <asm/hpsim.h>
> -
> -#include "hpsim_ssc.h"
> -
> -void
> -ia64_ctl_trace (long on)
> -{
> -	ia64_ssc(on, 0, 0, 0, SSC_CTL_TRACE);
> -}
> -
> -void __init
> -hpsim_setup (char **cmdline_p)
> -{
> -	ROOT_DEV = Root_SDA1;		/* default to first SCSI drive */
> -
> -	simcons_register();
> -}
> diff --git a/arch/ia64/hp/sim/hpsim_ssc.h b/arch/ia64/hp/sim/hpsim_ssc.h
> deleted file mode 100644
> index 6fd97a487811..000000000000
> --- a/arch/ia64/hp/sim/hpsim_ssc.h
> +++ /dev/null
> @@ -1,37 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * Platform dependent support for HP simulator.
> - *
> - * Copyright (C) 1998, 1999 Hewlett-Packard Co
> - * Copyright (C) 1998, 1999 David Mosberger-Tang <davidm@....hp.com>
> - * Copyright (C) 1999 Vijay Chander <vijay@...r.sgi.com>
> - */
> -#ifndef _IA64_PLATFORM_HPSIM_SSC_H
> -#define _IA64_PLATFORM_HPSIM_SSC_H
> -
> -/* Simulator system calls: */
> -
> -#define SSC_CONSOLE_INIT		20
> -#define SSC_GETCHAR			21
> -#define SSC_PUTCHAR			31
> -#define SSC_CONNECT_INTERRUPT		58
> -#define SSC_GENERATE_INTERRUPT		59
> -#define SSC_SET_PERIODIC_INTERRUPT	60
> -#define SSC_GET_RTC			65
> -#define SSC_EXIT			66
> -#define SSC_LOAD_SYMBOLS		69
> -#define SSC_GET_TOD			74
> -#define SSC_CTL_TRACE			76
> -
> -#define SSC_NETDEV_PROBE		100
> -#define SSC_NETDEV_SEND			101
> -#define SSC_NETDEV_RECV			102
> -#define SSC_NETDEV_ATTACH		103
> -#define SSC_NETDEV_DETACH		104
> -
> -/*
> - * Simulator system call.
> - */
> -extern long ia64_ssc (long arg0, long arg1, long arg2, long arg3, int nr);
> -
> -#endif /* _IA64_PLATFORM_HPSIM_SSC_H */
> diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c
> deleted file mode 100644
> index f39ef2b4ed72..000000000000
> --- a/arch/ia64/hp/sim/simeth.c
> +++ /dev/null
> @@ -1,510 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * Simulated Ethernet Driver
> - *
> - * Copyright (C) 1999-2001, 2003 Hewlett-Packard Co
> - *	Stephane Eranian <eranian@....hp.com>
> - */
> -#include <linux/kernel.h>
> -#include <linux/sched.h>
> -#include <linux/types.h>
> -#include <linux/in.h>
> -#include <linux/string.h>
> -#include <linux/init.h>
> -#include <linux/errno.h>
> -#include <linux/interrupt.h>
> -#include <linux/netdevice.h>
> -#include <linux/etherdevice.h>
> -#include <linux/inetdevice.h>
> -#include <linux/if_ether.h>
> -#include <linux/if_arp.h>
> -#include <linux/skbuff.h>
> -#include <linux/notifier.h>
> -#include <linux/bitops.h>
> -#include <asm/irq.h>
> -#include <asm/hpsim.h>
> -
> -#include "hpsim_ssc.h"
> -
> -#define SIMETH_RECV_MAX	10
> -
> -/*
> - * Maximum possible received frame for Ethernet.
> - * We preallocate an sk_buff of that size to avoid costly
> - * memcpy for temporary buffer into sk_buff. We do basically
> - * what's done in other drivers, like eepro with a ring.
> - * The difference is, of course, that we don't have real DMA !!!
> - */
> -#define SIMETH_FRAME_SIZE	ETH_FRAME_LEN
> -
> -
> -#define NETWORK_INTR			8
> -
> -struct simeth_local {
> -	struct net_device_stats stats;
> -	int 			simfd;	 /* descriptor in the simulator */
> -};
> -
> -static int simeth_probe1(void);
> -static int simeth_open(struct net_device *dev);
> -static int simeth_close(struct net_device *dev);
> -static int simeth_tx(struct sk_buff *skb, struct net_device *dev);
> -static int simeth_rx(struct net_device *dev);
> -static struct net_device_stats *simeth_get_stats(struct net_device *dev);
> -static irqreturn_t simeth_interrupt(int irq, void *dev_id);
> -static void set_multicast_list(struct net_device *dev);
> -static int simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr);
> -
> -static char *simeth_version="0.3";
> -
> -/*
> - * This variable is used to establish a mapping between the Linux/ia64 kernel
> - * and the host linux kernel.
> - *
> - * As of today, we support only one card, even though most of the code
> - * is ready for many more. The mapping is then:
> - *	linux/ia64 -> linux/x86
> - * 	   eth0    -> eth1
> - *
> - * In the future, we some string operations, we could easily support up
> - * to 10 cards (0-9).
> - *
> - * The default mapping can be changed on the kernel command line by
> - * specifying simeth=ethX (or whatever string you want).
> - */
> -static char *simeth_device="eth0";	 /* default host interface to use */
> -
> -
> -
> -static volatile unsigned int card_count; /* how many cards "found" so far */
> -static int simeth_debug;		/* set to 1 to get debug information */
> -
> -/*
> - * Used to catch IFF_UP & IFF_DOWN events
> - */
> -static struct notifier_block simeth_dev_notifier = {
> -	simeth_device_event,
> -	NULL
> -};
> -
> -
> -/*
> - * Function used when using a kernel command line option.
> - *
> - * Format: simeth=interface_name (like eth0)
> - */
> -static int __init
> -simeth_setup(char *str)
> -{
> -	simeth_device = str;
> -	return 1;
> -}
> -
> -__setup("simeth=", simeth_setup);
> -
> -/*
> - * Function used to probe for simeth devices when not installed
> - * as a loadable module
> - */
> -
> -int __init
> -simeth_probe (void)
> -{
> -	int r;
> -
> -	printk(KERN_INFO "simeth: v%s\n", simeth_version);
> -
> -	r = simeth_probe1();
> -
> -	if (r == 0) register_netdevice_notifier(&simeth_dev_notifier);
> -
> -	return r;
> -}
> -
> -static inline int
> -netdev_probe(char *name, unsigned char *ether)
> -{
> -	return ia64_ssc(__pa(name), __pa(ether), 0,0, SSC_NETDEV_PROBE);
> -}
> -
> -
> -static inline int
> -netdev_attach(int fd, int irq, unsigned int ipaddr)
> -{
> -	/* this puts the host interface in the right mode (start interrupting) */
> -	return ia64_ssc(fd, ipaddr, 0,0, SSC_NETDEV_ATTACH);
> -}
> -
> -
> -static inline int
> -netdev_detach(int fd)
> -{
> -	/*
> -	 * inactivate the host interface (don't interrupt anymore) */
> -	return ia64_ssc(fd, 0,0,0, SSC_NETDEV_DETACH);
> -}
> -
> -static inline int
> -netdev_send(int fd, unsigned char *buf, unsigned int len)
> -{
> -	return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_SEND);
> -}
> -
> -static inline int
> -netdev_read(int fd, unsigned char *buf, unsigned int len)
> -{
> -	return ia64_ssc(fd, __pa(buf), len, 0, SSC_NETDEV_RECV);
> -}
> -
> -static const struct net_device_ops simeth_netdev_ops = {
> -	.ndo_open		= simeth_open,
> -	.ndo_stop		= simeth_close,
> -	.ndo_start_xmit		= simeth_tx,
> -	.ndo_get_stats		= simeth_get_stats,
> -	.ndo_set_rx_mode	= set_multicast_list, /* not yet used */
> -
> -};
> -
> -/*
> - * Function shared with module code, so cannot be in init section
> - *
> - * So far this function "detects" only one card (test_&_set) but could
> - * be extended easily.
> - *
> - * Return:
> - * 	- -ENODEV is no device found
> - *	- -ENOMEM is no more memory
> - *	- 0 otherwise
> - */
> -static int
> -simeth_probe1(void)
> -{
> -	unsigned char mac_addr[ETH_ALEN];
> -	struct simeth_local *local;
> -	struct net_device *dev;
> -	int fd, err, rc;
> -
> -	/*
> -	 * XXX Fix me
> -	 * let's support just one card for now
> -	 */
> -	if (test_and_set_bit(0, &card_count))
> -		return -ENODEV;
> -
> -	/*
> -	 * check with the simulator for the device
> -	 */
> -	fd = netdev_probe(simeth_device, mac_addr);
> -	if (fd == -1)
> -		return -ENODEV;
> -
> -	dev = alloc_etherdev(sizeof(struct simeth_local));
> -	if (!dev)
> -		return -ENOMEM;
> -
> -	memcpy(dev->dev_addr, mac_addr, sizeof(mac_addr));
> -
> -	local = netdev_priv(dev);
> -	local->simfd = fd; /* keep track of underlying file descriptor */
> -
> -	dev->netdev_ops = &simeth_netdev_ops;
> -
> -	err = register_netdev(dev);
> -	if (err) {
> -		free_netdev(dev);
> -		return err;
> -	}
> -
> -	/*
> -	 * attach the interrupt in the simulator, this does enable interrupts
> -	 * until a netdev_attach() is called
> -	 */
> -	if ((rc = hpsim_get_irq(NETWORK_INTR)) < 0)
> -		panic("%s: out of interrupt vectors!\n", __func__);
> -	dev->irq = rc;
> -
> -	printk(KERN_INFO "%s: hosteth=%s simfd=%d, HwAddr=%pm, IRQ %d\n",
> -	       dev->name, simeth_device, local->simfd, dev->dev_addr, dev->irq);
> -
> -	return 0;
> -}
> -
> -/*
> - * actually binds the device to an interrupt vector
> - */
> -static int
> -simeth_open(struct net_device *dev)
> -{
> -	if (request_irq(dev->irq, simeth_interrupt, 0, "simeth", dev)) {
> -		printk(KERN_WARNING "simeth: unable to get IRQ %d.\n", dev->irq);
> -		return -EAGAIN;
> -	}
> -
> -	netif_start_queue(dev);
> -
> -	return 0;
> -}
> -
> -/* copied from lapbether.c */
> -static __inline__ int dev_is_ethdev(struct net_device *dev)
> -{
> -       return ( dev->type == ARPHRD_ETHER && strncmp(dev->name, "dummy", 5));
> -}
> -
> -
> -/*
> - * Handler for IFF_UP or IFF_DOWN
> - *
> - * The reason for that is that we don't want to be interrupted when the
> - * interface is down. There is no way to unconnect in the simualtor. Instead
> - * we use this function to shutdown packet processing in the frame filter
> - * in the simulator. Thus no interrupts are generated
> - *
> - *
> - * That's also the place where we pass the IP address of this device to the
> - * simulator so that that we can start filtering packets for it
> - *
> - * There may be a better way of doing this, but I don't know which yet.
> - */
> -static int
> -simeth_device_event(struct notifier_block *this,unsigned long event, void *ptr)
> -{
> -	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
> -	struct simeth_local *local;
> -	struct in_device *in_dev;
> -	struct in_ifaddr **ifap = NULL;
> -	struct in_ifaddr *ifa = NULL;
> -	int r;
> -
> -
> -	if ( ! dev ) {
> -		printk(KERN_WARNING "simeth_device_event dev=0\n");
> -		return NOTIFY_DONE;
> -	}
> -
> -	if (dev_net(dev) != &init_net)
> -		return NOTIFY_DONE;
> -
> -	if ( event != NETDEV_UP && event != NETDEV_DOWN ) return NOTIFY_DONE;
> -
> -	/*
> -	 * Check whether or not it's for an ethernet device
> -	 *
> -	 * XXX Fixme: This works only as long as we support one
> -	 * type of ethernet device.
> -	 */
> -	if ( !dev_is_ethdev(dev) ) return NOTIFY_DONE;
> -
> -	if ((in_dev=dev->ip_ptr) != NULL) {
> -		for (ifap=&in_dev->ifa_list; (ifa=*ifap) != NULL; ifap=&ifa->ifa_next)
> -			if (strcmp(dev->name, ifa->ifa_label) == 0) break;
> -	}
> -	if ( ifa == NULL ) {
> -		printk(KERN_ERR "simeth_open: can't find device %s's ifa\n", dev->name);
> -		return NOTIFY_DONE;
> -	}
> -
> -	printk(KERN_INFO "simeth_device_event: %s ipaddr=0x%x\n",
> -	       dev->name, ntohl(ifa->ifa_local));
> -
> -	/*
> -	 * XXX Fix me
> -	 * if the device was up, and we're simply reconfiguring it, not sure
> -	 * we get DOWN then UP.
> -	 */
> -
> -	local = netdev_priv(dev);
> -	/* now do it for real */
> -	r = event == NETDEV_UP ?
> -		netdev_attach(local->simfd, dev->irq, ntohl(ifa->ifa_local)):
> -		netdev_detach(local->simfd);
> -
> -	printk(KERN_INFO "simeth: netdev_attach/detach: event=%s ->%d\n",
> -	       event == NETDEV_UP ? "attach":"detach", r);
> -
> -	return NOTIFY_DONE;
> -}
> -
> -static int
> -simeth_close(struct net_device *dev)
> -{
> -	netif_stop_queue(dev);
> -
> -	free_irq(dev->irq, dev);
> -
> -	return 0;
> -}
> -
> -/*
> - * Only used for debug
> - */
> -static void
> -frame_print(unsigned char *from, unsigned char *frame, int len)
> -{
> -	int i;
> -
> -	printk("%s: (%d) %02x", from, len, frame[0] & 0xff);
> -	for(i=1; i < 6; i++ ) {
> -		printk(":%02x", frame[i] &0xff);
> -	}
> -	printk(" %2x", frame[6] &0xff);
> -	for(i=7; i < 12; i++ ) {
> -		printk(":%02x", frame[i] &0xff);
> -	}
> -	printk(" [%02x%02x]\n", frame[12], frame[13]);
> -
> -	for(i=14; i < len; i++ ) {
> -		printk("%02x ", frame[i] &0xff);
> -		if ( (i%10)==0) printk("\n");
> -	}
> -	printk("\n");
> -}
> -
> -
> -/*
> - * Function used to transmit of frame, very last one on the path before
> - * going to the simulator.
> - */
> -static int
> -simeth_tx(struct sk_buff *skb, struct net_device *dev)
> -{
> -	struct simeth_local *local = netdev_priv(dev);
> -
> -#if 0
> -	/* ensure we have at least ETH_ZLEN bytes (min frame size) */
> -	unsigned int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
> -	/* Where do the extra padding bytes comes from inthe skbuff ? */
> -#else
> -	/* the real driver in the host system is going to take care of that
> -	 * or maybe it's the NIC itself.
> -	 */
> -	unsigned int length = skb->len;
> -#endif
> -
> -	local->stats.tx_bytes += skb->len;
> -	local->stats.tx_packets++;
> -
> -
> -	if (simeth_debug > 5) frame_print("simeth_tx", skb->data, length);
> -
> -	netdev_send(local->simfd, skb->data, length);
> -
> -	/*
> -	 * we are synchronous on write, so we don't simulate a
> -	 * trasnmit complete interrupt, thus we don't need to arm a tx
> -	 */
> -
> -	dev_kfree_skb(skb);
> -	return NETDEV_TX_OK;
> -}
> -
> -static inline struct sk_buff *
> -make_new_skb(struct net_device *dev)
> -{
> -	struct sk_buff *nskb;
> -
> -	/*
> -	 * The +2 is used to make sure that the IP header is nicely
> -	 * aligned (on 4byte boundary I assume 14+2=16)
> -	 */
> -	nskb = dev_alloc_skb(SIMETH_FRAME_SIZE + 2);
> -	if ( nskb == NULL ) {
> -		printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
> -		return NULL;
> -	}
> -
> -	skb_reserve(nskb, 2);	/* Align IP on 16 byte boundaries */
> -
> -	skb_put(nskb,SIMETH_FRAME_SIZE);
> -
> -	return nskb;
> -}
> -
> -/*
> - * called from interrupt handler to process a received frame
> - */
> -static int
> -simeth_rx(struct net_device *dev)
> -{
> -	struct simeth_local	*local;
> -	struct sk_buff		*skb;
> -	int			len;
> -	int			rcv_count = SIMETH_RECV_MAX;
> -
> -	local = netdev_priv(dev);
> -	/*
> -	 * the loop concept has been borrowed from other drivers
> -	 * looks to me like it's a throttling thing to avoid pushing to many
> -	 * packets at one time into the stack. Making sure we can process them
> -	 * upstream and make forward progress overall
> -	 */
> -	do {
> -		if ( (skb=make_new_skb(dev)) == NULL ) {
> -			printk(KERN_NOTICE "%s: memory squeeze. dropping packet.\n", dev->name);
> -			local->stats.rx_dropped++;
> -			return 0;
> -		}
> -		/*
> -		 * Read only one frame at a time
> -		 */
> -		len = netdev_read(local->simfd, skb->data, SIMETH_FRAME_SIZE);
> -		if ( len == 0 ) {
> -			if ( simeth_debug > 0 ) printk(KERN_WARNING "%s: count=%d netdev_read=0\n",
> -						       dev->name, SIMETH_RECV_MAX-rcv_count);
> -			break;
> -		}
> -#if 0
> -		/*
> -		 * XXX Fix me
> -		 * Should really do a csum+copy here
> -		 */
> -		skb_copy_to_linear_data(skb, frame, len);
> -#endif
> -		skb->protocol = eth_type_trans(skb, dev);
> -
> -		if ( simeth_debug > 6 ) frame_print("simeth_rx", skb->data, len);
> -
> -		/*
> -		 * push the packet up & trigger software interrupt
> -		 */
> -		netif_rx(skb);
> -
> -		local->stats.rx_packets++;
> -		local->stats.rx_bytes += len;
> -
> -	} while ( --rcv_count );
> -
> -	return len; /* 0 = nothing left to read, otherwise, we can try again */
> -}
> -
> -/*
> - * Interrupt handler (Yes, we can do it too !!!)
> - */
> -static irqreturn_t
> -simeth_interrupt(int irq, void *dev_id)
> -{
> -	struct net_device *dev = dev_id;
> -
> -	/*
> -	 * very simple loop because we get interrupts only when receiving
> -	 */
> -	while (simeth_rx(dev));
> -	return IRQ_HANDLED;
> -}
> -
> -static struct net_device_stats *
> -simeth_get_stats(struct net_device *dev)
> -{
> -	struct simeth_local *local = netdev_priv(dev);
> -
> -	return &local->stats;
> -}
> -
> -/* fake multicast ability */
> -static void
> -set_multicast_list(struct net_device *dev)
> -{
> -	printk(KERN_WARNING "%s: set_multicast_list called\n", dev->name);
> -}
> -
> -__initcall(simeth_probe);
> diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
> deleted file mode 100644
> index 0a8a74271173..000000000000
> --- a/arch/ia64/hp/sim/simscsi.c
> +++ /dev/null
> @@ -1,373 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * Simulated SCSI driver.
> - *
> - * Copyright (C) 1999, 2001-2003 Hewlett-Packard Co
> - *	David Mosberger-Tang <davidm@....hp.com>
> - *	Stephane Eranian <eranian@....hp.com>
> - *
> - * 02/01/15 David Mosberger	Updated for v2.5.1
> - * 99/12/18 David Mosberger	Added support for READ10/WRITE10 needed by linux v2.3.33
> - */
> -#include <linux/blkdev.h>
> -#include <linux/init.h>
> -#include <linux/interrupt.h>
> -#include <linux/kernel.h>
> -#include <linux/timer.h>
> -#include <asm/irq.h>
> -#include "hpsim_ssc.h"
> -
> -#include <scsi/scsi.h>
> -#include <scsi/scsi_cmnd.h>
> -#include <scsi/scsi_device.h>
> -#include <scsi/scsi_host.h>
> -
> -#define DEBUG_SIMSCSI	0
> -
> -#define SIMSCSI_REQ_QUEUE_LEN	64
> -#define DEFAULT_SIMSCSI_ROOT	"/var/ski-disks/sd"
> -
> -/* Simulator system calls: */
> -
> -#define SSC_OPEN			50
> -#define SSC_CLOSE			51
> -#define SSC_READ			52
> -#define SSC_WRITE			53
> -#define SSC_GET_COMPLETION		54
> -#define SSC_WAIT_COMPLETION		55
> -
> -#define SSC_WRITE_ACCESS		2
> -#define SSC_READ_ACCESS			1
> -
> -#if DEBUG_SIMSCSI
> -  int simscsi_debug;
> -# define DBG	simscsi_debug
> -#else
> -# define DBG	0
> -#endif
> -
> -static struct Scsi_Host *host;
> -
> -static void simscsi_interrupt (unsigned long val);
> -static DECLARE_TASKLET(simscsi_tasklet, simscsi_interrupt, 0);
> -
> -struct disk_req {
> -	unsigned long addr;
> -	unsigned len;
> -};
> -
> -struct disk_stat {
> -	int fd;
> -	unsigned count;
> -};
> -
> -static int desc[16] = {
> -	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
> -};
> -
> -static struct queue_entry {
> -	struct scsi_cmnd *sc;
> -} queue[SIMSCSI_REQ_QUEUE_LEN];
> -
> -static int rd, wr;
> -static atomic_t num_reqs = ATOMIC_INIT(0);
> -
> -/* base name for default disks */
> -static char *simscsi_root = DEFAULT_SIMSCSI_ROOT;
> -
> -#define MAX_ROOT_LEN	128
> -
> -/*
> - * used to setup a new base for disk images
> - * to use /foo/bar/disk[a-z] as disk images
> - * you have to specify simscsi=/foo/bar/disk on the command line
> - */
> -static int __init
> -simscsi_setup (char *s)
> -{
> -	/* XXX Fix me we may need to strcpy() ? */
> -	if (strlen(s) > MAX_ROOT_LEN) {
> -		printk(KERN_ERR "simscsi_setup: prefix too long---using default %s\n",
> -		       simscsi_root);
> -	} else
> -		simscsi_root = s;
> -	return 1;
> -}
> -
> -__setup("simscsi=", simscsi_setup);
> -
> -static void
> -simscsi_interrupt (unsigned long val)
> -{
> -	struct scsi_cmnd *sc;
> -
> -	while ((sc = queue[rd].sc) != NULL) {
> -		atomic_dec(&num_reqs);
> -		queue[rd].sc = NULL;
> -		if (DBG)
> -			printk("simscsi_interrupt: done with %u\n",
> -			       sc->request->tag);
> -		(*sc->scsi_done)(sc);
> -		rd = (rd + 1) % SIMSCSI_REQ_QUEUE_LEN;
> -	}
> -}
> -
> -static int
> -simscsi_biosparam (struct scsi_device *sdev, struct block_device *n,
> -		sector_t capacity, int ip[])
> -{
> -	ip[0] = 64;		/* heads */
> -	ip[1] = 32;		/* sectors */
> -	ip[2] = capacity >> 11;	/* cylinders */
> -	return 0;
> -}
> -
> -static void
> -simscsi_sg_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset)
> -{
> -	int i;
> -	struct scatterlist *sl;
> -	struct disk_stat stat;
> -	struct disk_req req;
> -
> -	stat.fd = desc[sc->device->id];
> -
> -	scsi_for_each_sg(sc, sl, scsi_sg_count(sc), i) {
> -		req.addr = __pa(sg_virt(sl));
> -		req.len  = sl->length;
> -		if (DBG)
> -			printk("simscsi_sg_%s @ %lx (off %lx) use_sg=%d len=%d\n",
> -			       mode == SSC_READ ? "read":"write", req.addr, offset,
> -			       scsi_sg_count(sc) - i, sl->length);
> -		ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
> -		ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
> -
> -		/* should not happen in our case */
> -		if (stat.count != req.len) {
> -			sc->result = DID_ERROR << 16;
> -			return;
> -		}
> -		offset +=  sl->length;
> -	}
> -	sc->result = GOOD;
> -}
> -
> -/*
> - * function handling both READ_6/WRITE_6 (non-scatter/gather mode)
> - * commands.
> - * Added 02/26/99 S.Eranian
> - */
> -static void
> -simscsi_readwrite6 (struct scsi_cmnd *sc, int mode)
> -{
> -	unsigned long offset;
> -
> -	offset = (((sc->cmnd[1] & 0x1f) << 16) | (sc->cmnd[2] << 8) | sc->cmnd[3])*512;
> -	simscsi_sg_readwrite(sc, mode, offset);
> -}
> -
> -static size_t
> -simscsi_get_disk_size (int fd)
> -{
> -	struct disk_stat stat;
> -	size_t bit, sectors = 0;
> -	struct disk_req req;
> -	char buf[512];
> -
> -	/*
> -	 * This is a bit kludgey: the simulator doesn't provide a
> -	 * direct way of determining the disk size, so we do a binary
> -	 * search, assuming a maximum disk size of 128GB.
> -	 */
> -	for (bit = (128UL << 30)/512; bit != 0; bit >>= 1) {
> -		req.addr = __pa(&buf);
> -		req.len = sizeof(buf);
> -		ia64_ssc(fd, 1, __pa(&req), ((sectors | bit) - 1)*512, SSC_READ);
> -		stat.fd = fd;
> -		ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
> -		if (stat.count == sizeof(buf))
> -			sectors |= bit;
> -	}
> -	return sectors - 1;	/* return last valid sector number */
> -}
> -
> -static void
> -simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
> -{
> -	unsigned long offset;
> -
> -	offset = (((unsigned long)sc->cmnd[2] << 24)
> -		| ((unsigned long)sc->cmnd[3] << 16)
> -		| ((unsigned long)sc->cmnd[4] <<  8)
> -		| ((unsigned long)sc->cmnd[5] <<  0))*512UL;
> -	simscsi_sg_readwrite(sc, mode, offset);
> -}
> -
> -static int
> -simscsi_queuecommand_lck (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
> -{
> -	unsigned int target_id = sc->device->id;
> -	char fname[MAX_ROOT_LEN+16];
> -	size_t disk_size;
> -	char *buf;
> -	char localbuf[36];
> -#if DEBUG_SIMSCSI
> -	register long sp asm ("sp");
> -
> -	if (DBG)
> -		printk("simscsi_queuecommand: target=%d,cmnd=%u,sc=%u,sp=%lx,done=%p\n",
> -		       target_id, sc->cmnd[0], sc->request->tag, sp, done);
> -#endif
> -
> -	sc->result = DID_BAD_TARGET << 16;
> -	sc->scsi_done = done;
> -	if (target_id <= 15 && sc->device->lun == 0) {
> -		switch (sc->cmnd[0]) {
> -		      case INQUIRY:
> -			if (scsi_bufflen(sc) < 35) {
> -				break;
> -			}
> -			sprintf (fname, "%s%c", simscsi_root, 'a' + target_id);
> -			desc[target_id] = ia64_ssc(__pa(fname), SSC_READ_ACCESS|SSC_WRITE_ACCESS,
> -						   0, 0, SSC_OPEN);
> -			if (desc[target_id] < 0) {
> -				/* disk doesn't exist... */
> -				break;
> -			}
> -			buf = localbuf;
> -			buf[0] = 0;	/* magnetic disk */
> -			buf[1] = 0;	/* not a removable medium */
> -			buf[2] = 2;	/* SCSI-2 compliant device */
> -			buf[3] = 2;	/* SCSI-2 response data format */
> -			buf[4] = 31;	/* additional length (bytes) */
> -			buf[5] = 0;	/* reserved */
> -			buf[6] = 0;	/* reserved */
> -			buf[7] = 0;	/* various flags */
> -			memcpy(buf + 8, "HP      SIMULATED DISK  0.00",  28);
> -			scsi_sg_copy_from_buffer(sc, buf, 36);
> -			sc->result = GOOD;
> -			break;
> -
> -		      case TEST_UNIT_READY:
> -			sc->result = GOOD;
> -			break;
> -
> -		      case READ_6:
> -			if (desc[target_id] < 0 )
> -				break;
> -			simscsi_readwrite6(sc, SSC_READ);
> -			break;
> -
> -		      case READ_10:
> -			if (desc[target_id] < 0 )
> -				break;
> -			simscsi_readwrite10(sc, SSC_READ);
> -			break;
> -
> -		      case WRITE_6:
> -			if (desc[target_id] < 0)
> -				break;
> -			simscsi_readwrite6(sc, SSC_WRITE);
> -			break;
> -
> -		      case WRITE_10:
> -			if (desc[target_id] < 0)
> -				break;
> -			simscsi_readwrite10(sc, SSC_WRITE);
> -			break;
> -
> -		      case READ_CAPACITY:
> -			if (desc[target_id] < 0 || scsi_bufflen(sc) < 8) {
> -				break;
> -			}
> -			buf = localbuf;
> -			disk_size = simscsi_get_disk_size(desc[target_id]);
> -
> -			buf[0] = (disk_size >> 24) & 0xff;
> -			buf[1] = (disk_size >> 16) & 0xff;
> -			buf[2] = (disk_size >>  8) & 0xff;
> -			buf[3] = (disk_size >>  0) & 0xff;
> -			/* set block size of 512 bytes: */
> -			buf[4] = 0;
> -			buf[5] = 0;
> -			buf[6] = 2;
> -			buf[7] = 0;
> -			scsi_sg_copy_from_buffer(sc, buf, 8);
> -			sc->result = GOOD;
> -			break;
> -
> -		      case MODE_SENSE:
> -		      case MODE_SENSE_10:
> -			/* sd.c uses this to determine whether disk does write-caching. */
> -			scsi_sg_copy_from_buffer(sc, (char *)empty_zero_page,
> -						 PAGE_SIZE);
> -			sc->result = GOOD;
> -			break;
> -
> -		      case START_STOP:
> -			printk(KERN_ERR "START_STOP\n");
> -			break;
> -
> -		      default:
> -			panic("simscsi: unknown SCSI command %u\n", sc->cmnd[0]);
> -		}
> -	}
> -	if (sc->result == DID_BAD_TARGET) {
> -		sc->result |= DRIVER_SENSE << 24;
> -		sc->sense_buffer[0] = 0x70;
> -		sc->sense_buffer[2] = 0x00;
> -	}
> -	if (atomic_read(&num_reqs) >= SIMSCSI_REQ_QUEUE_LEN) {
> -		panic("Attempt to queue command while command is pending!!");
> -	}
> -	atomic_inc(&num_reqs);
> -	queue[wr].sc = sc;
> -	wr = (wr + 1) % SIMSCSI_REQ_QUEUE_LEN;
> -
> -	tasklet_schedule(&simscsi_tasklet);
> -	return 0;
> -}
> -
> -static DEF_SCSI_QCMD(simscsi_queuecommand)
> -
> -static int
> -simscsi_host_reset (struct scsi_cmnd *sc)
> -{
> -	printk(KERN_ERR "simscsi_host_reset: not implemented\n");
> -	return 0;
> -}
> -
> -static struct scsi_host_template driver_template = {
> -	.name			= "simulated SCSI host adapter",
> -	.proc_name		= "simscsi",
> -	.queuecommand		= simscsi_queuecommand,
> -	.eh_host_reset_handler	= simscsi_host_reset,
> -	.bios_param		= simscsi_biosparam,
> -	.can_queue		= SIMSCSI_REQ_QUEUE_LEN,
> -	.this_id		= -1,
> -	.sg_tablesize		= SG_ALL,
> -	.max_sectors		= 1024,
> -	.cmd_per_lun		= SIMSCSI_REQ_QUEUE_LEN,
> -	.dma_boundary		= PAGE_SIZE - 1,
> -};
> -
> -static int __init
> -simscsi_init(void)
> -{
> -	int error;
> -
> -	host = scsi_host_alloc(&driver_template, 0);
> -	if (!host)
> -		return -ENOMEM;
> -
> -	error = scsi_add_host(host, NULL);
> -	if (error)
> -		goto free_host;
> -	scsi_scan_host(host);
> -	return 0;
> -
> - free_host:
> -	scsi_host_put(host);
> -	return error;
> -}
> -device_initcall(simscsi_init);
> diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
> deleted file mode 100644
> index 1a338e541334..000000000000
> --- a/arch/ia64/hp/sim/simserial.c
> +++ /dev/null
> @@ -1,521 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * Simulated Serial Driver (fake serial)
> - *
> - * This driver is mostly used for bringup purposes and will go away.
> - * It has a strong dependency on the system console. All outputs
> - * are rerouted to the same facility as the one used by printk which, in our
> - * case means sys_sim.c console (goes via the simulator).
> - *
> - * Copyright (C) 1999-2000, 2002-2003 Hewlett-Packard Co
> - *	Stephane Eranian <eranian@....hp.com>
> - *	David Mosberger-Tang <davidm@....hp.com>
> - */
> -
> -#include <linux/init.h>
> -#include <linux/errno.h>
> -#include <linux/sched.h>
> -#include <linux/sched/debug.h>
> -#include <linux/tty.h>
> -#include <linux/tty_flip.h>
> -#include <linux/major.h>
> -#include <linux/fcntl.h>
> -#include <linux/mm.h>
> -#include <linux/seq_file.h>
> -#include <linux/slab.h>
> -#include <linux/capability.h>
> -#include <linux/circ_buf.h>
> -#include <linux/console.h>
> -#include <linux/irq.h>
> -#include <linux/module.h>
> -#include <linux/serial.h>
> -#include <linux/sysrq.h>
> -#include <linux/uaccess.h>
> -
> -#include <asm/hpsim.h>
> -
> -#include "hpsim_ssc.h"
> -
> -#undef SIMSERIAL_DEBUG	/* define this to get some debug information */
> -
> -#define KEYBOARD_INTR	3	/* must match with simulator! */
> -
> -#define NR_PORTS	1	/* only one port for now */
> -
> -struct serial_state {
> -	struct tty_port port;
> -	struct circ_buf xmit;
> -	int irq;
> -	int x_char;
> -};
> -
> -static struct serial_state rs_table[NR_PORTS];
> -
> -struct tty_driver *hp_simserial_driver;
> -
> -static struct console *console;
> -
> -static void receive_chars(struct tty_port *port)
> -{
> -	unsigned char ch;
> -	static unsigned char seen_esc = 0;
> -
> -	while ( (ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR)) ) {
> -		if (ch == 27 && seen_esc == 0) {
> -			seen_esc = 1;
> -			continue;
> -		} else if (seen_esc == 1 && ch == 'O') {
> -			seen_esc = 2;
> -			continue;
> -		} else if (seen_esc == 2) {
> -			if (ch == 'P') /* F1 */
> -				show_state();
> -#ifdef CONFIG_MAGIC_SYSRQ
> -			if (ch == 'S') { /* F4 */
> -				do {
> -					ch = ia64_ssc(0, 0, 0, 0, SSC_GETCHAR);
> -				} while (!ch);
> -				handle_sysrq(ch);
> -			}
> -#endif
> -			seen_esc = 0;
> -			continue;
> -		}
> -		seen_esc = 0;
> -
> -		if (tty_insert_flip_char(port, ch, TTY_NORMAL) == 0)
> -			break;
> -	}
> -	tty_flip_buffer_push(port);
> -}
> -
> -/*
> - * This is the serial driver's interrupt routine for a single port
> - */
> -static irqreturn_t rs_interrupt_single(int irq, void *dev_id)
> -{
> -	struct serial_state *info = dev_id;
> -
> -	receive_chars(&info->port);
> -
> -	return IRQ_HANDLED;
> -}
> -
> -/*
> - * -------------------------------------------------------------------
> - * Here ends the serial interrupt routines.
> - * -------------------------------------------------------------------
> - */
> -
> -static int rs_put_char(struct tty_struct *tty, unsigned char ch)
> -{
> -	struct serial_state *info = tty->driver_data;
> -	unsigned long flags;
> -
> -	if (!info->xmit.buf)
> -		return 0;
> -
> -	local_irq_save(flags);
> -	if (CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) == 0) {
> -		local_irq_restore(flags);
> -		return 0;
> -	}
> -	info->xmit.buf[info->xmit.head] = ch;
> -	info->xmit.head = (info->xmit.head + 1) & (SERIAL_XMIT_SIZE-1);
> -	local_irq_restore(flags);
> -	return 1;
> -}
> -
> -static void transmit_chars(struct tty_struct *tty, struct serial_state *info,
> -		int *intr_done)
> -{
> -	int count;
> -	unsigned long flags;
> -
> -	local_irq_save(flags);
> -
> -	if (info->x_char) {
> -		char c = info->x_char;
> -
> -		console->write(console, &c, 1);
> -
> -		info->x_char = 0;
> -
> -		goto out;
> -	}
> -
> -	if (info->xmit.head == info->xmit.tail || tty->stopped) {
> -#ifdef SIMSERIAL_DEBUG
> -		printk("transmit_chars: head=%d, tail=%d, stopped=%d\n",
> -		       info->xmit.head, info->xmit.tail, tty->stopped);
> -#endif
> -		goto out;
> -	}
> -	/*
> -	 * We removed the loop and try to do it in to chunks. We need
> -	 * 2 operations maximum because it's a ring buffer.
> -	 *
> -	 * First from current to tail if possible.
> -	 * Then from the beginning of the buffer until necessary
> -	 */
> -
> -	count = min(CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE),
> -		    SERIAL_XMIT_SIZE - info->xmit.tail);
> -	console->write(console, info->xmit.buf+info->xmit.tail, count);
> -
> -	info->xmit.tail = (info->xmit.tail+count) & (SERIAL_XMIT_SIZE-1);
> -
> -	/*
> -	 * We have more at the beginning of the buffer
> -	 */
> -	count = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
> -	if (count) {
> -		console->write(console, info->xmit.buf, count);
> -		info->xmit.tail += count;
> -	}
> -out:
> -	local_irq_restore(flags);
> -}
> -
> -static void rs_flush_chars(struct tty_struct *tty)
> -{
> -	struct serial_state *info = tty->driver_data;
> -
> -	if (info->xmit.head == info->xmit.tail || tty->stopped ||
> -			!info->xmit.buf)
> -		return;
> -
> -	transmit_chars(tty, info, NULL);
> -}
> -
> -static int rs_write(struct tty_struct * tty,
> -		    const unsigned char *buf, int count)
> -{
> -	struct serial_state *info = tty->driver_data;
> -	int	c, ret = 0;
> -	unsigned long flags;
> -
> -	if (!info->xmit.buf)
> -		return 0;
> -
> -	local_irq_save(flags);
> -	while (1) {
> -		c = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
> -		if (count < c)
> -			c = count;
> -		if (c <= 0) {
> -			break;
> -		}
> -		memcpy(info->xmit.buf + info->xmit.head, buf, c);
> -		info->xmit.head = ((info->xmit.head + c) &
> -				   (SERIAL_XMIT_SIZE-1));
> -		buf += c;
> -		count -= c;
> -		ret += c;
> -	}
> -	local_irq_restore(flags);
> -	/*
> -	 * Hey, we transmit directly from here in our case
> -	 */
> -	if (CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) &&
> -			!tty->stopped)
> -		transmit_chars(tty, info, NULL);
> -
> -	return ret;
> -}
> -
> -static int rs_write_room(struct tty_struct *tty)
> -{
> -	struct serial_state *info = tty->driver_data;
> -
> -	return CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
> -}
> -
> -static int rs_chars_in_buffer(struct tty_struct *tty)
> -{
> -	struct serial_state *info = tty->driver_data;
> -
> -	return CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
> -}
> -
> -static void rs_flush_buffer(struct tty_struct *tty)
> -{
> -	struct serial_state *info = tty->driver_data;
> -	unsigned long flags;
> -
> -	local_irq_save(flags);
> -	info->xmit.head = info->xmit.tail = 0;
> -	local_irq_restore(flags);
> -
> -	tty_wakeup(tty);
> -}
> -
> -/*
> - * This function is used to send a high-priority XON/XOFF character to
> - * the device
> - */
> -static void rs_send_xchar(struct tty_struct *tty, char ch)
> -{
> -	struct serial_state *info = tty->driver_data;
> -
> -	info->x_char = ch;
> -	if (ch) {
> -		/*
> -		 * I guess we could call console->write() directly but
> -		 * let's do that for now.
> -		 */
> -		transmit_chars(tty, info, NULL);
> -	}
> -}
> -
> -/*
> - * ------------------------------------------------------------
> - * rs_throttle()
> - *
> - * This routine is called by the upper-layer tty layer to signal that
> - * incoming characters should be throttled.
> - * ------------------------------------------------------------
> - */
> -static void rs_throttle(struct tty_struct * tty)
> -{
> -	if (I_IXOFF(tty))
> -		rs_send_xchar(tty, STOP_CHAR(tty));
> -
> -	printk(KERN_INFO "simrs_throttle called\n");
> -}
> -
> -static void rs_unthrottle(struct tty_struct * tty)
> -{
> -	struct serial_state *info = tty->driver_data;
> -
> -	if (I_IXOFF(tty)) {
> -		if (info->x_char)
> -			info->x_char = 0;
> -		else
> -			rs_send_xchar(tty, START_CHAR(tty));
> -	}
> -	printk(KERN_INFO "simrs_unthrottle called\n");
> -}
> -
> -static int rs_setserial(struct tty_struct *tty, struct serial_struct *ss)
> -{
> -	return 0;
> -}
> -
> -static int rs_getserial(struct tty_struct *tty, struct serial_struct *ss)
> -{
> -	return 0;
> -}
> -
> -static int rs_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
> -{
> -	if ((cmd != TIOCSERCONFIG) && (cmd != TIOCMIWAIT)) {
> -		if (tty_io_error(tty))
> -		    return -EIO;
> -	}
> -
> -	switch (cmd) {
> -	case TIOCMIWAIT:
> -		return 0;
> -	case TIOCSERCONFIG:
> -	case TIOCSERGETLSR: /* Get line status register */
> -		return -EINVAL;
> -	}
> -	return -ENOIOCTLCMD;
> -}
> -
> -/*
> - * This routine will shutdown a serial port; interrupts are disabled, and
> - * DTR is dropped if the hangup on close termio flag is on.
> - */
> -static void shutdown(struct tty_port *port)
> -{
> -	struct serial_state *info = container_of(port, struct serial_state,
> -			port);
> -	unsigned long flags;
> -
> -	local_irq_save(flags);
> -	if (info->irq)
> -		free_irq(info->irq, info);
> -
> -	if (info->xmit.buf) {
> -		free_page((unsigned long) info->xmit.buf);
> -		info->xmit.buf = NULL;
> -	}
> -	local_irq_restore(flags);
> -}
> -
> -static void rs_close(struct tty_struct *tty, struct file * filp)
> -{
> -	struct serial_state *info = tty->driver_data;
> -
> -	tty_port_close(&info->port, tty, filp);
> -}
> -
> -static void rs_hangup(struct tty_struct *tty)
> -{
> -	struct serial_state *info = tty->driver_data;
> -
> -	rs_flush_buffer(tty);
> -	tty_port_hangup(&info->port);
> -}
> -
> -static int activate(struct tty_port *port, struct tty_struct *tty)
> -{
> -	struct serial_state *state = container_of(port, struct serial_state,
> -			port);
> -	unsigned long flags, page;
> -	int retval = 0;
> -
> -	page = get_zeroed_page(GFP_KERNEL);
> -	if (!page)
> -		return -ENOMEM;
> -
> -	local_irq_save(flags);
> -
> -	if (state->xmit.buf)
> -		free_page(page);
> -	else
> -		state->xmit.buf = (unsigned char *) page;
> -
> -	if (state->irq) {
> -		retval = request_irq(state->irq, rs_interrupt_single, 0,
> -				"simserial", state);
> -		if (retval)
> -			goto errout;
> -	}
> -
> -	state->xmit.head = state->xmit.tail = 0;
> -errout:
> -	local_irq_restore(flags);
> -	return retval;
> -}
> -
> -
> -/*
> - * This routine is called whenever a serial port is opened.  It
> - * enables interrupts for a serial port, linking in its async structure into
> - * the IRQ chain.   It also performs the serial-specific
> - * initialization for the tty structure.
> - */
> -static int rs_open(struct tty_struct *tty, struct file * filp)
> -{
> -	struct serial_state *info = rs_table + tty->index;
> -	struct tty_port *port = &info->port;
> -
> -	tty->driver_data = info;
> -	port->low_latency = (port->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
> -
> -	/*
> -	 * figure out which console to use (should be one already)
> -	 */
> -	console = console_drivers;
> -	while (console) {
> -		if ((console->flags & CON_ENABLED) && console->write) break;
> -		console = console->next;
> -	}
> -
> -	return tty_port_open(port, tty, filp);
> -}
> -
> -/*
> - * /proc fs routines....
> - */
> -
> -static int rs_proc_show(struct seq_file *m, void *v)
> -{
> -	int i;
> -
> -	seq_printf(m, "simserinfo:1.0\n");
> -	for (i = 0; i < NR_PORTS; i++)
> -		seq_printf(m, "%d: uart:16550 port:3F8 irq:%d\n",
> -		       i, rs_table[i].irq);
> -	return 0;
> -}
> -
> -static const struct tty_operations hp_ops = {
> -	.open = rs_open,
> -	.close = rs_close,
> -	.write = rs_write,
> -	.put_char = rs_put_char,
> -	.flush_chars = rs_flush_chars,
> -	.write_room = rs_write_room,
> -	.chars_in_buffer = rs_chars_in_buffer,
> -	.flush_buffer = rs_flush_buffer,
> -	.ioctl = rs_ioctl,
> -	.throttle = rs_throttle,
> -	.unthrottle = rs_unthrottle,
> -	.send_xchar = rs_send_xchar,
> -	.set_serial = rs_setserial,
> -	.get_serial = rs_getserial,
> -	.hangup = rs_hangup,
> -	.proc_show = rs_proc_show,
> -};
> -
> -static const struct tty_port_operations hp_port_ops = {
> -	.activate = activate,
> -	.shutdown = shutdown,
> -};
> -
> -static int __init simrs_init(void)
> -{
> -	struct serial_state *state;
> -	int retval;
> -
> -	if (!ia64_platform_is("hpsim"))
> -		return -ENODEV;
> -
> -	hp_simserial_driver = alloc_tty_driver(NR_PORTS);
> -	if (!hp_simserial_driver)
> -		return -ENOMEM;
> -
> -	printk(KERN_INFO "SimSerial driver with no serial options enabled\n");
> -
> -	/* Initialize the tty_driver structure */
> -
> -	hp_simserial_driver->driver_name = "simserial";
> -	hp_simserial_driver->name = "ttyS";
> -	hp_simserial_driver->major = TTY_MAJOR;
> -	hp_simserial_driver->minor_start = 64;
> -	hp_simserial_driver->type = TTY_DRIVER_TYPE_SERIAL;
> -	hp_simserial_driver->subtype = SERIAL_TYPE_NORMAL;
> -	hp_simserial_driver->init_termios = tty_std_termios;
> -	hp_simserial_driver->init_termios.c_cflag =
> -		B9600 | CS8 | CREAD | HUPCL | CLOCAL;
> -	hp_simserial_driver->flags = TTY_DRIVER_REAL_RAW;
> -	tty_set_operations(hp_simserial_driver, &hp_ops);
> -
> -	state = rs_table;
> -	tty_port_init(&state->port);
> -	state->port.ops = &hp_port_ops;
> -	state->port.close_delay = 0; /* XXX really 0? */
> -
> -	retval = hpsim_get_irq(KEYBOARD_INTR);
> -	if (retval < 0) {
> -		printk(KERN_ERR "%s: out of interrupt vectors!\n",
> -				__func__);
> -		goto err_free_tty;
> -	}
> -
> -	state->irq = retval;
> -
> -	/* the port is imaginary */
> -	printk(KERN_INFO "ttyS0 at 0x03f8 (irq = %d) is a 16550\n", state->irq);
> -
> -	tty_port_link_device(&state->port, hp_simserial_driver, 0);
> -	retval = tty_register_driver(hp_simserial_driver);
> -	if (retval) {
> -		printk(KERN_ERR "Couldn't register simserial driver\n");
> -		goto err_free_tty;
> -	}
> -
> -	return 0;
> -err_free_tty:
> -	put_tty_driver(hp_simserial_driver);
> -	tty_port_destroy(&state->port);
> -	return retval;
> -}
> -
> -#ifndef MODULE
> -__initcall(simrs_init);
> -#endif
> diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
> index 80c5ef8f475e..0afb3bc4b4a1 100644
> --- a/arch/ia64/include/asm/acpi.h
> +++ b/arch/ia64/include/asm/acpi.h
> @@ -37,9 +37,7 @@ const char *acpi_get_sysname (void);
>   #else
>   static inline const char *acpi_get_sysname (void)
>   {
> -# if defined (CONFIG_IA64_HP_SIM)
> -	return "hpsim";
> -# elif defined (CONFIG_IA64_HP_ZX1)
> +# if defined (CONFIG_IA64_HP_ZX1)
>   	return "hpzx1";
>   # elif defined (CONFIG_IA64_HP_ZX1_SWIOTLB)
>   	return "hpzx1_swiotlb";
> diff --git a/arch/ia64/include/asm/hpsim.h b/arch/ia64/include/asm/hpsim.h
> deleted file mode 100644
> index 00fbd5cc8ab8..000000000000
> --- a/arch/ia64/include/asm/hpsim.h
> +++ /dev/null
> @@ -1,17 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -#ifndef _ASMIA64_HPSIM_H
> -#define _ASMIA64_HPSIM_H
> -
> -#ifndef CONFIG_HP_SIMSERIAL_CONSOLE
> -static inline int simcons_register(void) { return 1; }
> -#else
> -int simcons_register(void);
> -#endif
> -
> -struct tty_driver;
> -extern struct tty_driver *hp_simserial_driver;
> -
> -extern int hpsim_get_irq(int intr);
> -void ia64_ctl_trace(long on);
> -
> -#endif
> diff --git a/arch/ia64/include/asm/iosapic.h b/arch/ia64/include/asm/iosapic.h
> index f48556cb8afc..a91aeb413e17 100644
> --- a/arch/ia64/include/asm/iosapic.h
> +++ b/arch/ia64/include/asm/iosapic.h
> @@ -52,8 +52,6 @@
>   
>   #ifndef __ASSEMBLY__
>   
> -#ifdef CONFIG_IOSAPIC
> -
>   #define NR_IOSAPICS			256
>   
>   #define iosapic_pcat_compat_init	ia64_native_iosapic_pcat_compat_init
> @@ -103,16 +101,6 @@ extern int __init iosapic_register_platform_intr (u32 int_type,
>   #ifdef CONFIG_NUMA
>   extern void map_iosapic_to_node (unsigned int, int);
>   #endif
> -#else
> -#define iosapic_system_init(pcat_compat)			do { } while (0)
> -#define iosapic_init(address,gsi_base)				(-EINVAL)
> -#define iosapic_remove(gsi_base)				(-ENODEV)
> -#define iosapic_register_intr(gsi,polarity,trigger)		(gsi)
> -#define iosapic_unregister_intr(irq)				do { } while (0)
> -#define iosapic_override_isa_irq(isa_irq,gsi,polarity,trigger)	do { } while (0)
> -#define iosapic_register_platform_intr(type,gsi,pmi,eid,id, \
> -	polarity,trigger)					(gsi)
> -#endif
>   
>   # endif /* !__ASSEMBLY__ */
>   #endif /* __ASM_IA64_IOSAPIC_H */
> diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
> index f426a9829595..5a9a8af79308 100644
> --- a/arch/ia64/include/asm/machvec.h
> +++ b/arch/ia64/include/asm/machvec.h
> @@ -16,7 +16,6 @@
>   struct device;
>   
>   typedef void ia64_mv_setup_t (char **);
> -typedef void ia64_mv_irq_init_t (void);
>   typedef void ia64_mv_dma_init (void);
>   typedef const struct dma_map_ops *ia64_mv_dma_get_ops(struct device *);
>   
> @@ -27,9 +26,7 @@ machvec_noop (void)
>   
>   extern void machvec_setup (char **);
>   
> -# if defined (CONFIG_IA64_HP_SIM)
> -#  include <asm/machvec_hpsim.h>
> -# elif defined (CONFIG_IA64_DIG)
> +# if defined (CONFIG_IA64_DIG)
>   #  include <asm/machvec_dig.h>
>   # elif defined(CONFIG_IA64_DIG_VTD)
>   #  include <asm/machvec_dig_vtd.h>
> @@ -46,7 +43,6 @@ extern void machvec_setup (char **);
>   # else
>   #  define ia64_platform_name	ia64_mv.name
>   #  define platform_setup	ia64_mv.setup
> -#  define platform_irq_init	ia64_mv.irq_init
>   #  define platform_dma_init		ia64_mv.dma_init
>   #  define platform_dma_get_ops		ia64_mv.dma_get_ops
>   # endif
> @@ -59,7 +55,6 @@ extern void machvec_setup (char **);
>   struct ia64_machine_vector {
>   	const char *name;
>   	ia64_mv_setup_t *setup;
> -	ia64_mv_irq_init_t *irq_init;
>   	ia64_mv_dma_init *dma_init;
>   	ia64_mv_dma_get_ops *dma_get_ops;
>   } __attribute__((__aligned__(16))); /* align attrib? see above comment */
> @@ -68,7 +63,6 @@ struct ia64_machine_vector {
>   {						\
>   	#name,					\
>   	platform_setup,				\
> -	platform_irq_init,			\
>   	platform_dma_init,			\
>   	platform_dma_get_ops,			\
>   }
> @@ -91,9 +85,6 @@ extern const struct dma_map_ops *dma_get_ops(struct device *);
>   #ifndef platform_setup
>   # define platform_setup			machvec_setup
>   #endif
> -#ifndef platform_irq_init
> -# define platform_irq_init		machvec_noop
> -#endif
>   #ifndef platform_dma_init
>   # define platform_dma_init		swiotlb_dma_init
>   #endif
> diff --git a/arch/ia64/include/asm/machvec_hpsim.h b/arch/ia64/include/asm/machvec_hpsim.h
> deleted file mode 100644
> index 056f8405822e..000000000000
> --- a/arch/ia64/include/asm/machvec_hpsim.h
> +++ /dev/null
> @@ -1,19 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -#ifndef _ASM_IA64_MACHVEC_HPSIM_h
> -#define _ASM_IA64_MACHVEC_HPSIM_h
> -
> -extern ia64_mv_setup_t hpsim_setup;
> -extern ia64_mv_irq_init_t hpsim_irq_init;
> -
> -/*
> - * This stuff has dual use!
> - *
> - * For a generic kernel, the macros are used to initialize the
> - * platform's machvec structure.  When compiling a non-generic kernel,
> - * the macros are used directly.
> - */
> -#define ia64_platform_name	"hpsim"
> -#define platform_setup		hpsim_setup
> -#define platform_irq_init	hpsim_irq_init
> -
> -#endif /* _ASM_IA64_MACHVEC_HPSIM_h */
> diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
> index 4ba05140b249..3ada440ff893 100644
> --- a/arch/ia64/kernel/Makefile
> +++ b/arch/ia64/kernel/Makefile
> @@ -12,13 +12,12 @@ extra-y	:= head.o vmlinux.lds
>   obj-y := entry.o efi.o efi_stub.o gate-data.o fsys.o ia64_ksyms.o irq.o irq_ia64.o	\
>   	 irq_lsapic.o ivt.o machvec.o pal.o patch.o process.o perfmon.o ptrace.o sal.o		\
>   	 salinfo.o setup.o signal.o sys_ia64.o time.o traps.o unaligned.o \
> -	 unwind.o mca.o mca_asm.o topology.o dma-mapping.o
> +	 unwind.o mca.o mca_asm.o topology.o dma-mapping.o iosapic.o
>   
>   obj-$(CONFIG_ACPI)		+= acpi.o acpi-ext.o
>   obj-$(CONFIG_IA64_BRL_EMU)	+= brl_emu.o
>   
>   obj-$(CONFIG_IA64_PALINFO)	+= palinfo.o
> -obj-$(CONFIG_IOSAPIC)		+= iosapic.o
>   obj-$(CONFIG_MODULES)		+= module.o
>   obj-$(CONFIG_SMP)		+= smp.o smpboot.o
>   obj-$(CONFIG_NUMA)		+= numa.o
> diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
> index 1c81ec752b04..e3874734b149 100644
> --- a/arch/ia64/kernel/irq_ia64.c
> +++ b/arch/ia64/kernel/irq_ia64.c
> @@ -53,7 +53,6 @@
>   #define IRQ_USED		(1)
>   #define IRQ_RSVD		(2)
>   
> -/* These can be overridden in platform_irq_init */
>   int ia64_first_device_vector = IA64_DEF_FIRST_DEVICE_VECTOR;
>   int ia64_last_device_vector = IA64_DEF_LAST_DEVICE_VECTOR;
>   
> @@ -648,7 +647,6 @@ init_IRQ (void)
>   #ifdef CONFIG_PERFMON
>   	pfm_init_percpu();
>   #endif
> -	platform_irq_init();
>   }
>   
>   void
> diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
> index 4dc74500eac5..42ef03ce2fd4 100644
> --- a/arch/ia64/kernel/setup.c
> +++ b/arch/ia64/kernel/setup.c
> @@ -63,7 +63,6 @@
>   #include <asm/smp.h>
>   #include <asm/tlbflush.h>
>   #include <asm/unistd.h>
> -#include <asm/hpsim.h>
>   
>   #if defined(CONFIG_SMP) && (IA64_CPU_SIZE > PAGE_SIZE)
>   # error "struct cpuinfo_ia64 too big!"
> @@ -461,16 +460,11 @@ io_port_init (void)
>   static inline int __init
>   early_console_setup (char *cmdline)
>   {
> -	int earlycons = 0;
> -
>   #ifdef CONFIG_EFI_PCDP
>   	if (!efi_setup_pcdp_console(cmdline))
> -		earlycons++;
> +		return 0;
>   #endif
> -	if (!simcons_register())
> -		earlycons++;
> -
> -	return (earlycons) ? 0 : -1;
> +	return -1;
>   }
>   
>   static inline void
> @@ -608,9 +602,6 @@ setup_arch (char **cmdline_p)
>   		ia64_mca_init();
>   
>   	platform_setup(cmdline_p);
> -#ifndef CONFIG_IA64_HP_SIM
> -	check_sal_cache_flush();
> -#endif
>   	paging_init();
>   
>   	clear_sched_clock_stable();
> 

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