Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index ace5c5b..c9c4be8 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -1,18 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0-only
config MICROBLAZE
def_bool y
+ select ARCH_32BIT_OFF_T
select ARCH_NO_SWAP
+ select ARCH_HAS_BINFMT_FLAT if !MMU
+ select ARCH_HAS_DMA_COHERENT_TO_PFN if MMU
+ select ARCH_HAS_DMA_PREP_COHERENT
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_SYNC_DMA_FOR_CPU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
+ select ARCH_HAS_UNCACHED_SEGMENT if !MMU
select ARCH_MIGHT_HAVE_PC_PARPORT
- select ARCH_NO_COHERENT_DMA_MMAP if !MMU
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT
select TIMER_OF
select CLONE_BACKWARDS3
select COMMON_CLK
- select DMA_NONCOHERENT_OPS
- select DMA_NONCOHERENT_MMAP
+ select DMA_DIRECT_REMAP if MMU
select GENERIC_ATOMIC64
select GENERIC_CLOCKEVENTS
select GENERIC_CPU_DEVICES
@@ -28,18 +32,20 @@
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
- select NO_BOOTMEM
- select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_OPROFILE
+ select HAVE_PCI
select IRQ_DOMAIN
select XILINX_INTC
select MODULES_USE_ELF_RELA
select OF
select OF_EARLY_FLATTREE
+ select PCI_DOMAINS_GENERIC if PCI
+ select PCI_SYSCALL if PCI
select TRACING_SUPPORT
select VIRT_TO_BUS
select CPU_NO_EFFICIENT_FFS
+ select MMU_GATHER_NO_RANGE if MMU
# Endianness selection
choice
@@ -57,15 +63,9 @@
endchoice
-config RWSEM_GENERIC_SPINLOCK
- def_bool y
-
config ZONE_DMA
def_bool y
-config RWSEM_XCHGADD_ALGORITHM
- bool
-
config ARCH_HAS_ILOG2_U32
def_bool n
@@ -268,22 +268,8 @@
menu "Bus Options"
-config PCI
- bool "PCI support"
-
-config PCI_DOMAINS
- def_bool PCI
-
-config PCI_DOMAINS_GENERIC
- def_bool PCI_DOMAINS
-
-config PCI_SYSCALL
- def_bool PCI
-
config PCI_XILINX
bool "Xilinx PCI host bridge support"
depends on PCI
-source "drivers/pci/Kconfig"
-
endmenu
diff --git a/arch/microblaze/Kconfig.debug b/arch/microblaze/Kconfig.debug
index dc2e3c4..865527a 100644
--- a/arch/microblaze/Kconfig.debug
+++ b/arch/microblaze/Kconfig.debug
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
# For a description of the syntax of this configuration file,
-# see Documentation/kbuild/kconfig-language.txt.
+# see Documentation/kbuild/kconfig-language.rst.
config TRACE_IRQFLAGS_SUPPORT
def_bool y
diff --git a/arch/microblaze/Kconfig.platform b/arch/microblaze/Kconfig.platform
index f7f1739..7795f90 100644
--- a/arch/microblaze/Kconfig.platform
+++ b/arch/microblaze/Kconfig.platform
@@ -1,5 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
# For a description of the syntax of this configuration file,
-# see Documentation/kbuild/kconfig-language.txt.
+# see Documentation/kbuild/kconfig-language.rst.
#
# Platform selection Kconfig menu for MicroBlaze targets
#
@@ -65,6 +66,6 @@
config XILINX_MICROBLAZE0_HW_VER
string "Core version number"
- default 7.10.d
+ default "7.10.d"
endmenu
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 4f3ab57..7b340a3 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -65,9 +65,7 @@
# Are we making a simpleImage.<boardname> target? If so, crack out the boardname
DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS)))
-ifneq ($(DTB),)
- core-y += $(boot)/dts/
-endif
+core-y += $(boot)/dts/
# defines filename extension depending memory management type
ifeq ($(CONFIG_MMU),)
@@ -81,21 +79,30 @@
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
-linux.bin linux.bin.gz linux.bin.ub: vmlinux
- $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+archheaders:
+ $(Q)$(MAKE) $(build)=arch/microblaze/kernel/syscalls all
-simpleImage.%: vmlinux
+PHONY += linux.bin linux.bin.gz linux.bin.ub
+linux.bin.ub linux.bin.gz: linux.bin
+linux.bin: vmlinux
+linux.bin linux.bin.gz linux.bin.ub:
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+ @echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')'
+
+PHONY += simpleImage.$(DTB)
+simpleImage.$(DTB): vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) $(addprefix $(boot)/$@., ub unstrip strip)
+ @echo 'Kernel: $(boot)/$@ is ready' ' (#'`cat .version`')'
define archhelp
echo '* linux.bin - Create raw binary'
echo ' linux.bin.gz - Create compressed raw binary'
echo ' linux.bin.ub - Create U-Boot wrapped raw binary'
- echo ' simpleImage.<dt> - ELF image with $(arch)/boot/dts/<dt>.dts linked in'
- echo ' - stripped elf with fdt blob'
- echo ' simpleImage.<dt>.unstrip - full ELF image with fdt blob'
- echo ' *_defconfig - Select default config from arch/microblaze/configs'
- echo ''
+ echo ' simpleImage.<dt> - Create the following images with <dt>.dtb linked in'
+ echo ' simpleImage.<dt> : raw image'
+ echo ' simpleImage.<dt>.ub : raw image with U-Boot header'
+ echo ' simpleImage.<dt>.unstrip: ELF (identical to vmlinux)'
+ echo ' simpleImage.<dt>.strip : stripped ELF'
echo ' Targets with <dt> embed a device tree blob inside the image'
echo ' These targets support board with firmware that does not'
echo ' support passing a device tree directly. Replace <dt> with the'
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index 600e5a1..cff570a 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -3,38 +3,33 @@
# arch/microblaze/boot/Makefile
#
-targets := linux.bin linux.bin.gz linux.bin.ub simpleImage.%
+targets := linux.bin linux.bin.gz linux.bin.ub simpleImage.*
OBJCOPYFLAGS := -R .note -R .comment -R .note.gnu.build-id -O binary
$(obj)/linux.bin: vmlinux FORCE
$(call if_changed,objcopy)
- @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
$(obj)/linux.bin.ub: $(obj)/linux.bin FORCE
$(call if_changed,uimage)
- @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
$(obj)/linux.bin.gz: $(obj)/linux.bin FORCE
$(call if_changed,gzip)
- @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
-
-quiet_cmd_cp = CP $< $@$2
- cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
quiet_cmd_strip = STRIP $< $@$2
cmd_strip = $(STRIP) -K microblaze_start -K _end -K __log_buf \
-K _fdt_start $< -o $@$2
UIMAGE_LOADADDR = $(CONFIG_KERNEL_BASE_ADDR)
-UIMAGE_IN = $@
-UIMAGE_OUT = $@.ub
-$(obj)/simpleImage.%: vmlinux FORCE
- $(call if_changed,cp,.unstrip)
+$(obj)/simpleImage.$(DTB): vmlinux FORCE
$(call if_changed,objcopy)
- $(call if_changed,uimage)
- $(call if_changed,strip,.strip)
- @echo 'Kernel: $(UIMAGE_OUT) is ready' ' (#'`cat .version`')'
-clean-files += simpleImage.*.unstrip linux.bin.ub
+$(obj)/simpleImage.$(DTB).ub: $(obj)/simpleImage.$(DTB) FORCE
+ $(call if_changed,uimage)
+
+$(obj)/simpleImage.$(DTB).unstrip: vmlinux FORCE
+ $(call if_changed,shipped)
+
+$(obj)/simpleImage.$(DTB).strip: vmlinux FORCE
+ $(call if_changed,strip)
diff --git a/arch/microblaze/boot/dts/Makefile b/arch/microblaze/boot/dts/Makefile
index 1f77913..ef00dd3 100644
--- a/arch/microblaze/boot/dts/Makefile
+++ b/arch/microblaze/boot/dts/Makefile
@@ -1,6 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
#
+dtb-y := system.dtb
+
+ifneq ($(DTB),)
obj-y += linked_dtb.o
# Ensure system.dtb exists
@@ -9,11 +12,9 @@
# Generate system.dtb from $(DTB).dtb
ifneq ($(DTB),system)
$(obj)/system.dtb: $(obj)/$(DTB).dtb
- $(call if_changed,cp)
+ $(call if_changed,shipped)
endif
-
-quiet_cmd_cp = CP $< $@$2
- cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
+endif
# Rule to build device tree blobs
DTC_FLAGS := -p 1024
diff --git a/arch/microblaze/boot/dts/system.dts b/arch/microblaze/boot/dts/system.dts
index 8a420c6..5b23652 100644
--- a/arch/microblaze/boot/dts/system.dts
+++ b/arch/microblaze/boot/dts/system.dts
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Device Tree Generator version: 1.1
*
@@ -6,21 +7,6 @@
*
* Michal SIMEK <monstr@monstr.eu>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
* CAUTION: This file is automatically generated by libgen.
* Version: Xilinx EDK 10.1.03 EDK_K_SP3.6
*
@@ -32,7 +18,6 @@
#address-cells = <1>;
#size-cells = <1>;
compatible = "xlnx,microblaze";
- hard-reset-gpios = <&LEDs_8Bit 2 1>;
model = "testing";
DDR2_SDRAM: memory@90000000 {
device_type = "memory";
@@ -295,6 +280,21 @@
gpios = <&LEDs_8Bit 7 1>;
};
} ;
+
+ gpio-restart {
+ compatible = "gpio-restart";
+ /*
+ * FIXME: is this active low or active high?
+ * the current flag (1) indicates active low.
+ * delay measures are templates, should be adjusted
+ * to datasheet or trial-and-error with real hardware.
+ */
+ gpios = <&LEDs_8Bit 2 1>;
+ active-delay = <100>;
+ inactive-delay = <10>;
+ wait-delay = <100>;
+ };
+
RS232_Uart_1: serial@84000000 {
clock-frequency = <125000000>;
compatible = "xlnx,xps-uartlite-1.00.a";
diff --git a/arch/microblaze/configs/mmu_defconfig b/arch/microblaze/configs/mmu_defconfig
index 92fd4e9..654edfd 100644
--- a/arch/microblaze/configs/mmu_defconfig
+++ b/arch/microblaze/configs/mmu_defconfig
@@ -5,15 +5,10 @@
CONFIG_IKCONFIG_PROC=y
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
-CONFIG_KALLSYMS_ALL=y
# CONFIG_BASE_FULL is not set
+CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_SLAB=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
-CONFIG_PARTITION_ADVANCED=y
-# CONFIG_EFI_PARTITION is not set
CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1
CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1
CONFIG_XILINX_MICROBLAZE0_USE_BARREL=1
@@ -25,14 +20,19 @@
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE_FORCE=y
CONFIG_HIGHMEM=y
-CONFIG_PCI=y
CONFIG_PCI_XILINX=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_EFI_PARTITION is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
CONFIG_BRIDGE=m
+CONFIG_PCI=y
CONFIG_MTD=y
CONFIG_MTD_CFI=y
CONFIG_MTD_CFI_INTELEXT=y
@@ -41,6 +41,7 @@
CONFIG_BLK_DEV_RAM_SIZE=8192
CONFIG_NETDEVICES=y
CONFIG_XILINX_EMACLITE=y
+CONFIG_XILINX_AXI_EMAC=y
CONFIG_XILINX_LL_TEMAC=y
# CONFIG_INPUT is not set
# CONFIG_SERIO is not set
@@ -59,6 +60,8 @@
CONFIG_GPIOLIB=y
CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_XILINX=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_GPIO_RESTART=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_XILINX_WATCHDOG=y
@@ -74,8 +77,8 @@
CONFIG_ROMFS_FS=y
CONFIG_NFS_FS=y
CONFIG_CIFS=y
-CONFIG_CIFS_STATS=y
CONFIG_CIFS_STATS2=y
+CONFIG_ENCRYPTED_KEYS=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_SLAB=y
CONFIG_DETECT_HUNG_TASK=y
@@ -83,6 +86,3 @@
CONFIG_KGDB=y
CONFIG_KGDB_TESTS=y
CONFIG_KGDB_KDB=y
-CONFIG_EARLY_PRINTK=y
-CONFIG_KEYS=y
-CONFIG_ENCRYPTED_KEYS=y
diff --git a/arch/microblaze/configs/nommu_defconfig b/arch/microblaze/configs/nommu_defconfig
index 06d69a6..377de39 100644
--- a/arch/microblaze/configs/nommu_defconfig
+++ b/arch/microblaze/configs/nommu_defconfig
@@ -7,15 +7,10 @@
CONFIG_IKCONFIG_PROC=y
CONFIG_SYSFS_DEPRECATED=y
CONFIG_SYSFS_DEPRECATED_V2=y
-CONFIG_KALLSYMS_ALL=y
# CONFIG_BASE_FULL is not set
+CONFIG_KALLSYMS_ALL=y
CONFIG_EMBEDDED=y
CONFIG_SLAB=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
-CONFIG_PARTITION_ADVANCED=y
-# CONFIG_EFI_PARTITION is not set
CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1
CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1
CONFIG_XILINX_MICROBLAZE0_USE_BARREL=1
@@ -25,13 +20,18 @@
CONFIG_HZ_100=y
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE_FORCE=y
-CONFIG_PCI=y
CONFIG_PCI_XILINX=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_BLK_DEV_BSG is not set
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_EFI_PARTITION is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
+CONFIG_PCI=y
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
@@ -62,6 +62,8 @@
CONFIG_GPIOLIB=y
CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_XILINX=y
+CONFIG_POWER_RESET=y
+CONFIG_POWER_RESET_GPIO_RESTART=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_XILINX_WATCHDOG=y
@@ -75,11 +77,6 @@
CONFIG_NFS_FS=y
CONFIG_NFS_V3_ACL=y
CONFIG_NLS=y
-CONFIG_DEBUG_INFO=y
-CONFIG_DEBUG_SLAB=y
-CONFIG_DETECT_HUNG_TASK=y
-CONFIG_DEBUG_SPINLOCK=y
-CONFIG_EARLY_PRINTK=y
CONFIG_KEYS=y
CONFIG_ENCRYPTED_KEYS=y
CONFIG_CRYPTO_ECB=y
@@ -87,3 +84,7 @@
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_ARC4=y
CONFIG_CRYPTO_DES=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_SLAB=y
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DEBUG_SPINLOCK=y
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index 569ba9e..e5c9170 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+generated-y += syscall_table.h
generic-y += barrier.h
generic-y += bitops.h
generic-y += bug.h
@@ -16,15 +18,18 @@
generic-y += kdebug.h
generic-y += kmap_types.h
generic-y += kprobes.h
+generic-y += kvm_para.h
generic-y += linkage.h
generic-y += local.h
generic-y += local64.h
generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
+generic-y += mmiowb.h
generic-y += parport.h
generic-y += percpu.h
generic-y += preempt.h
generic-y += serial.h
+generic-y += shmparam.h
generic-y += syscalls.h
generic-y += topology.h
generic-y += trace_clock.h
diff --git a/arch/microblaze/include/asm/flat.h b/arch/microblaze/include/asm/flat.h
index 3d2747d..1ab8677 100644
--- a/arch/microblaze/include/asm/flat.h
+++ b/arch/microblaze/include/asm/flat.h
@@ -13,11 +13,6 @@
#include <asm/unaligned.h>
-#define flat_argvp_envp_on_stack() 0
-#define flat_old_ram_flag(flags) (flags)
-#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
-#define flat_set_persistent(relval, p) 0
-
/*
* Microblaze works a little differently from other arches, because
* of the MICROBLAZE_64 reloc type. Here, a 32 bit address is split
@@ -33,7 +28,7 @@
*/
static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
- u32 *addr, u32 *persistent)
+ u32 *addr)
{
u32 *p = (__force u32 *)rp;
diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h
index 2572077..8c90357 100644
--- a/arch/microblaze/include/asm/futex.h
+++ b/arch/microblaze/include/asm/futex.h
@@ -71,7 +71,7 @@
int ret = 0, cmp;
u32 prev;
- if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
+ if (!access_ok(uaddr, sizeof(u32)))
return -EFAULT;
__asm__ __volatile__ ("1: lwx %1, %3, r0; \
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index c796813..86c95b2 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -40,7 +40,6 @@
extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
#define ioremap_nocache(addr, size) ioremap((addr), (size))
-#define ioremap_fullcache(addr, size) ioremap((addr), (size))
#define ioremap_wc(addr, size) ioremap((addr), (size))
#define ioremap_wt(addr, size) ioremap((addr), (size))
diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h
index cb5d397..171b40a 100644
--- a/arch/microblaze/include/asm/pci-bridge.h
+++ b/arch/microblaze/include/asm/pci-bridge.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _ASM_MICROBLAZE_PCI_BRIDGE_H
#define _ASM_MICROBLAZE_PCI_BRIDGE_H
#ifdef __KERNEL__
/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/pci.h>
#include <linux/list.h>
diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index 859c198..7c4dc5d 100644
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -1,8 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*
* Based on powerpc version
*/
@@ -69,8 +66,6 @@
unsigned long size,
pgprot_t prot);
-#define HAVE_ARCH_PCI_RESOURCE_TO_USER
-
/* This part of code was originally in xilinx-pci.h */
#ifdef CONFIG_PCI_XILINX
extern void __init xilinx_pci_init(void);
diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h
index 7c89390..7ecb05b 100644
--- a/arch/microblaze/include/asm/pgalloc.h
+++ b/arch/microblaze/include/asm/pgalloc.h
@@ -21,83 +21,23 @@
#include <asm/cache.h>
#include <asm/pgtable.h>
-#define PGDIR_ORDER 0
-
-/*
- * This is handled very differently on MicroBlaze since out page tables
- * are all 0's and I want to be able to use these zero'd pages elsewhere
- * as well - it gives us quite a speedup.
- * -- Cort
- */
-extern struct pgtable_cache_struct {
- unsigned long *pgd_cache;
- unsigned long *pte_cache;
- unsigned long pgtable_cache_sz;
-} quicklists;
-
-#define pgd_quicklist (quicklists.pgd_cache)
-#define pmd_quicklist ((unsigned long *)0)
-#define pte_quicklist (quicklists.pte_cache)
-#define pgtable_cache_size (quicklists.pgtable_cache_sz)
-
-extern unsigned long *zero_cache; /* head linked list of pre-zero'd pages */
-extern atomic_t zero_sz; /* # currently pre-zero'd pages */
-extern atomic_t zeropage_hits; /* # zero'd pages request that we've done */
-extern atomic_t zeropage_calls; /* # zero'd pages request that've been made */
-extern atomic_t zerototal; /* # pages zero'd over time */
-
-#define zero_quicklist (zero_cache)
-#define zero_cache_sz (zero_sz)
-#define zero_cache_calls (zeropage_calls)
-#define zero_cache_hits (zeropage_hits)
-#define zero_cache_total (zerototal)
-
-/*
- * return a pre-zero'd page from the list,
- * return NULL if none available -- Cort
- */
-extern unsigned long get_zero_page_fast(void);
+#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL
+#include <asm-generic/pgalloc.h>
extern void __bad_pte(pmd_t *pmd);
-static inline pgd_t *get_pgd_slow(void)
+static inline pgd_t *get_pgd(void)
{
- pgd_t *ret;
-
- ret = (pgd_t *)__get_free_pages(GFP_KERNEL, PGDIR_ORDER);
- if (ret != NULL)
- clear_page(ret);
- return ret;
+ return (pgd_t *)__get_free_pages(GFP_KERNEL|__GFP_ZERO, 0);
}
-static inline pgd_t *get_pgd_fast(void)
-{
- unsigned long *ret;
-
- ret = pgd_quicklist;
- if (ret != NULL) {
- pgd_quicklist = (unsigned long *)(*ret);
- ret[0] = 0;
- pgtable_cache_size--;
- } else
- ret = (unsigned long *)get_pgd_slow();
- return (pgd_t *)ret;
-}
-
-static inline void free_pgd_fast(pgd_t *pgd)
-{
- *(unsigned long **)pgd = pgd_quicklist;
- pgd_quicklist = (unsigned long *) pgd;
- pgtable_cache_size++;
-}
-
-static inline void free_pgd_slow(pgd_t *pgd)
+static inline void free_pgd(pgd_t *pgd)
{
free_page((unsigned long)pgd);
}
-#define pgd_free(mm, pgd) free_pgd_fast(pgd)
-#define pgd_alloc(mm) get_pgd_fast()
+#define pgd_free(mm, pgd) free_pgd(pgd)
+#define pgd_alloc(mm) get_pgd()
#define pmd_pgtable(pmd) pmd_page(pmd)
@@ -108,66 +48,7 @@
#define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); })
#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); })
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
-
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
- unsigned long address)
-{
- struct page *ptepage;
-
-#ifdef CONFIG_HIGHPTE
- int flags = GFP_KERNEL | __GFP_HIGHMEM;
-#else
- int flags = GFP_KERNEL;
-#endif
-
- ptepage = alloc_pages(flags, 0);
- if (!ptepage)
- return NULL;
- clear_highpage(ptepage);
- if (!pgtable_page_ctor(ptepage)) {
- __free_page(ptepage);
- return NULL;
- }
- return ptepage;
-}
-
-static inline pte_t *pte_alloc_one_fast(struct mm_struct *mm,
- unsigned long address)
-{
- unsigned long *ret;
-
- ret = pte_quicklist;
- if (ret != NULL) {
- pte_quicklist = (unsigned long *)(*ret);
- ret[0] = 0;
- pgtable_cache_size--;
- }
- return (pte_t *)ret;
-}
-
-static inline void pte_free_fast(pte_t *pte)
-{
- *(unsigned long **)pte = pte_quicklist;
- pte_quicklist = (unsigned long *) pte;
- pgtable_cache_size++;
-}
-
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
-{
- free_page((unsigned long)pte);
-}
-
-static inline void pte_free_slow(struct page *ptepage)
-{
- __free_page(ptepage);
-}
-
-static inline void pte_free(struct mm_struct *mm, struct page *ptepage)
-{
- pgtable_page_dtor(ptepage);
- __free_page(ptepage);
-}
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, (pte))
@@ -186,10 +67,6 @@
#define __pmd_free_tlb(tlb, x, addr) pmd_free((tlb)->mm, x)
#define pgd_populate(mm, pmd, pte) BUG()
-extern int do_check_pgt_cache(int, int);
-
#endif /* CONFIG_MMU */
-#define check_pgt_cache() do { } while (0)
-
#endif /* _ASM_MICROBLAZE_PGALLOC_H */
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index 2ca5985..954b69a 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -46,8 +46,6 @@
#define swapper_pg_dir ((pgd_t *) NULL)
-#define pgtable_cache_init() do {} while (0)
-
#define arch_enter_lazy_cpu_mode() do {} while (0)
#define pgprot_noncached_wc(prot) prot
@@ -200,7 +198,7 @@
* is cleared in the TLB miss handler before the TLB entry is loaded.
* - All other bits of the PTE are loaded into TLBLO without
* * modification, leaving us only the bits 20, 21, 24, 25, 26, 30 for
- * software PTE bits. We actually use use bits 21, 24, 25, and
+ * software PTE bits. We actually use bits 21, 24, 25, and
* 30 respectively for the software bits: ACCESSED, DIRTY, RW, and
* PRESENT.
*/
@@ -526,11 +524,6 @@
/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
#define kern_addr_valid(addr) (1)
-/*
- * No page table caches to initialise
- */
-#define pgtable_cache_init() do { } while (0)
-
void do_page_fault(struct pt_regs *regs, unsigned long address,
unsigned long error_code);
@@ -553,8 +546,6 @@
extern unsigned long ioremap_bot, ioremap_base;
-unsigned long consistent_virt_to_pfn(void *vaddr);
-
void setup_memory(void);
#endif /* __ASSEMBLY__ */
diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h
index 330d556..66b537b 100644
--- a/arch/microblaze/include/asm/processor.h
+++ b/arch/microblaze/include/asm/processor.h
@@ -46,12 +46,6 @@
# define TASK_SIZE (0x81000000 - 0x80000000)
/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-# define current_text_addr() ({ __label__ _l; _l: &&_l; })
-
-/*
* This decides where the kernel will search for a free chunk of vm
* space during mmap's. We won't be using it
*/
@@ -92,12 +86,6 @@
# ifndef __ASSEMBLY__
-/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-# define current_text_addr() ({ __label__ _l; _l: &&_l; })
-
/* If you change this, you must change the associated assembly-languages
* constants defined below, THREAD_*.
*/
diff --git a/arch/microblaze/include/asm/syscall.h b/arch/microblaze/include/asm/syscall.h
index 220decd..3a6924f 100644
--- a/arch/microblaze/include/asm/syscall.h
+++ b/arch/microblaze/include/asm/syscall.h
@@ -82,18 +82,22 @@
static inline void syscall_get_arguments(struct task_struct *task,
struct pt_regs *regs,
- unsigned int i, unsigned int n,
unsigned long *args)
{
+ unsigned int i = 0;
+ unsigned int n = 6;
+
while (n--)
*args++ = microblaze_get_syscall_arg(regs, i++);
}
static inline void syscall_set_arguments(struct task_struct *task,
struct pt_regs *regs,
- unsigned int i, unsigned int n,
const unsigned long *args)
{
+ unsigned int i = 0;
+ unsigned int n = 6;
+
while (n--)
microblaze_set_syscall_arg(regs, i++, *args++);
}
@@ -101,7 +105,7 @@
asmlinkage unsigned long do_syscall_trace_enter(struct pt_regs *regs);
asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
-static inline int syscall_get_arch(void)
+static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_MICROBLAZE;
}
diff --git a/arch/microblaze/include/asm/tlb.h b/arch/microblaze/include/asm/tlb.h
index 99b6ded..628a78e 100644
--- a/arch/microblaze/include/asm/tlb.h
+++ b/arch/microblaze/include/asm/tlb.h
@@ -11,16 +11,7 @@
#ifndef _ASM_MICROBLAZE_TLB_H
#define _ASM_MICROBLAZE_TLB_H
-#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
-
#include <linux/pagemap.h>
-
-#ifdef CONFIG_MMU
-#define tlb_start_vma(tlb, vma) do { } while (0)
-#define tlb_end_vma(tlb, vma) do { } while (0)
-#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)
-#endif
-
#include <asm-generic/tlb.h>
#endif /* _ASM_MICROBLAZE_TLB_H */
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 81f16aa..a1f206b 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -42,7 +42,6 @@
# define USER_DS MAKE_MM_SEG(TASK_SIZE - 1)
# endif
-# define get_ds() (KERNEL_DS)
# define get_fs() (current_thread_info()->addr_limit)
# define set_fs(val) (current_thread_info()->addr_limit = (val))
@@ -60,26 +59,25 @@
#define __range_ok(addr, size) \
___range_ok((unsigned long)(addr), (unsigned long)(size))
-#define access_ok(type, addr, size) (__range_ok((addr), (size)) == 0)
+#define access_ok(addr, size) (__range_ok((addr), (size)) == 0)
#else
-static inline int access_ok(int type, const void __user *addr,
- unsigned long size)
+static inline int access_ok(const void __user *addr, unsigned long size)
{
if (!size)
goto ok;
if ((get_fs().seg < ((unsigned long)addr)) ||
(get_fs().seg < ((unsigned long)addr + size - 1))) {
- pr_devel("ACCESS fail: %s at 0x%08x (size 0x%x), seg 0x%08x\n",
- type ? "WRITE" : "READ ", (__force u32)addr, (u32)size,
+ pr_devel("ACCESS fail at 0x%08x (size 0x%x), seg 0x%08x\n",
+ (__force u32)addr, (u32)size,
(u32)get_fs().seg);
return 0;
}
ok:
- pr_devel("ACCESS OK: %s at 0x%08x (size 0x%x), seg 0x%08x\n",
- type ? "WRITE" : "READ ", (__force u32)addr, (u32)size,
+ pr_devel("ACCESS OK at 0x%08x (size 0x%x), seg 0x%08x\n",
+ (__force u32)addr, (u32)size,
(u32)get_fs().seg);
return 1;
}
@@ -120,7 +118,7 @@
unsigned long n)
{
might_fault();
- if (unlikely(!access_ok(VERIFY_WRITE, to, n)))
+ if (unlikely(!access_ok(to, n)))
return n;
return __clear_user(to, n);
@@ -165,44 +163,15 @@
* Returns zero on success, or -EFAULT on error.
* On error, the variable @x is set to zero.
*/
-#define get_user(x, ptr) \
- __get_user_check((x), (ptr), sizeof(*(ptr)))
-
-#define __get_user_check(x, ptr, size) \
-({ \
- unsigned long __gu_val = 0; \
- const typeof(*(ptr)) __user *__gu_addr = (ptr); \
- int __gu_err = 0; \
- \
- if (access_ok(VERIFY_READ, __gu_addr, size)) { \
- switch (size) { \
- case 1: \
- __get_user_asm("lbu", __gu_addr, __gu_val, \
- __gu_err); \
- break; \
- case 2: \
- __get_user_asm("lhu", __gu_addr, __gu_val, \
- __gu_err); \
- break; \
- case 4: \
- __get_user_asm("lw", __gu_addr, __gu_val, \
- __gu_err); \
- break; \
- default: \
- __gu_err = __user_bad(); \
- break; \
- } \
- } else { \
- __gu_err = -EFAULT; \
- } \
- x = (__force typeof(*(ptr)))__gu_val; \
- __gu_err; \
+#define get_user(x, ptr) ({ \
+ const typeof(*(ptr)) __user *__gu_ptr = (ptr); \
+ access_ok(__gu_ptr, sizeof(*__gu_ptr)) ? \
+ __get_user(x, __gu_ptr) : -EFAULT; \
})
#define __get_user(x, ptr) \
({ \
unsigned long __gu_val = 0; \
- /*unsigned long __gu_ptr = (unsigned long)(ptr);*/ \
long __gu_err; \
switch (sizeof(*(ptr))) { \
case 1: \
@@ -214,6 +183,11 @@
case 4: \
__get_user_asm("lw", (ptr), __gu_val, __gu_err); \
break; \
+ case 8: \
+ __gu_err = __copy_from_user(&__gu_val, ptr, 8); \
+ if (__gu_err) \
+ __gu_err = -EFAULT; \
+ break; \
default: \
/* __gu_val = 0; __gu_err = -EINVAL;*/ __gu_err = __user_bad();\
} \
@@ -286,7 +260,7 @@
typeof(*(ptr)) __user *__pu_addr = (ptr); \
int __pu_err = 0; \
\
- if (access_ok(VERIFY_WRITE, __pu_addr, size)) { \
+ if (access_ok(__pu_addr, size)) { \
switch (size) { \
case 1: \
__put_user_asm("sb", __pu_addr, __pu_val, \
@@ -358,7 +332,7 @@
static inline long
strncpy_from_user(char *dst, const char __user *src, long count)
{
- if (!access_ok(VERIFY_READ, src, 1))
+ if (!access_ok(src, 1))
return -EFAULT;
return __strncpy_user(dst, src, count);
}
@@ -372,7 +346,7 @@
static inline long strnlen_user(const char __user *src, long n)
{
- if (!access_ok(VERIFY_READ, src, 1))
+ if (!access_ok(src, 1))
return 0;
return __strnlen_user(src, n);
}
diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h
index a62d094..d79d35a 100644
--- a/arch/microblaze/include/asm/unistd.h
+++ b/arch/microblaze/include/asm/unistd.h
@@ -15,18 +15,18 @@
/* #define __ARCH_WANT_OLD_READDIR */
/* #define __ARCH_WANT_OLD_STAT */
+#define __ARCH_WANT_NEW_STAT
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
#define __ARCH_WANT_SYS_SIGNAL
-#define __ARCH_WANT_SYS_TIME
-#define __ARCH_WANT_SYS_UTIME
+#define __ARCH_WANT_SYS_TIME32
+#define __ARCH_WANT_SYS_UTIME32
#define __ARCH_WANT_SYS_WAITPID
#define __ARCH_WANT_SYS_SOCKETCALL
#define __ARCH_WANT_SYS_FADVISE64
#define __ARCH_WANT_SYS_GETPGRP
-#define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE
/* #define __ARCH_WANT_SYS_OLD_GETRLIMIT */
#define __ARCH_WANT_SYS_OLDUMOUNT
@@ -38,6 +38,4 @@
#endif /* __ASSEMBLY__ */
-#define __NR_syscalls 401
-
#endif /* _ASM_MICROBLAZE_UNISTD_H */
diff --git a/arch/microblaze/include/uapi/asm/Kbuild b/arch/microblaze/include/uapi/asm/Kbuild
index 2c6a6bf..da95c5a 100644
--- a/arch/microblaze/include/uapi/asm/Kbuild
+++ b/arch/microblaze/include/uapi/asm/Kbuild
@@ -1,30 +1,3 @@
-# UAPI Header export list
-include include/uapi/asm-generic/Kbuild.asm
-
-generic-y += bitsperlong.h
-generic-y += bpf_perf_event.h
-generic-y += errno.h
-generic-y += fcntl.h
-generic-y += ioctl.h
-generic-y += ioctls.h
-generic-y += ipcbuf.h
-generic-y += kvm_para.h
-generic-y += mman.h
-generic-y += msgbuf.h
-generic-y += param.h
-generic-y += poll.h
-generic-y += resource.h
-generic-y += sembuf.h
-generic-y += shmbuf.h
-generic-y += shmparam.h
-generic-y += siginfo.h
-generic-y += signal.h
-generic-y += socket.h
-generic-y += sockios.h
-generic-y += stat.h
-generic-y += statfs.h
-generic-y += swab.h
-generic-y += termbits.h
-generic-y += termios.h
-generic-y += types.h
+# SPDX-License-Identifier: GPL-2.0
+generated-y += unistd_32.h
generic-y += ucontext.h
diff --git a/arch/microblaze/include/uapi/asm/unistd.h b/arch/microblaze/include/uapi/asm/unistd.h
index 7a9f16a..3f2d7cb 100644
--- a/arch/microblaze/include/uapi/asm/unistd.h
+++ b/arch/microblaze/include/uapi/asm/unistd.h
@@ -11,411 +11,6 @@
#ifndef _UAPI_ASM_MICROBLAZE_UNISTD_H
#define _UAPI_ASM_MICROBLAZE_UNISTD_H
-#define __NR_restart_syscall 0 /* ok */
-#define __NR_exit 1 /* ok */
-#define __NR_fork 2 /* not for no MMU - weird */
-#define __NR_read 3 /* ok */
-#define __NR_write 4 /* ok */
-#define __NR_open 5 /* openat */
-#define __NR_close 6 /* ok */
-#define __NR_waitpid 7 /* waitid */
-#define __NR_creat 8 /* openat */
-#define __NR_link 9 /* linkat */
-#define __NR_unlink 10 /* unlinkat */
-#define __NR_execve 11 /* ok */
-#define __NR_chdir 12 /* ok */
-#define __NR_time 13 /* obsolete -> sys_gettimeofday */
-#define __NR_mknod 14 /* mknodat */
-#define __NR_chmod 15 /* fchmodat */
-#define __NR_lchown 16 /* ok */
-#define __NR_break 17 /* don't know */
-#define __NR_oldstat 18 /* remove */
-#define __NR_lseek 19 /* ok */
-#define __NR_getpid 20 /* ok */
-#define __NR_mount 21 /* ok */
-#define __NR_umount 22 /* ok */ /* use only umount2 */
-#define __NR_setuid 23 /* ok */
-#define __NR_getuid 24 /* ok */
-#define __NR_stime 25 /* obsolete -> sys_settimeofday */
-#define __NR_ptrace 26 /* ok */
-#define __NR_alarm 27 /* obsolete -> sys_setitimer */
-#define __NR_oldfstat 28 /* remove */
-#define __NR_pause 29 /* obsolete -> sys_rt_sigtimedwait */
-#define __NR_utime 30 /* obsolete -> sys_utimesat */
-#define __NR_stty 31 /* remove */
-#define __NR_gtty 32 /* remove */
-#define __NR_access 33 /* faccessat */
-/* can be implemented by sys_setpriority */
-#define __NR_nice 34
-#define __NR_ftime 35 /* remove */
-#define __NR_sync 36 /* ok */
-#define __NR_kill 37 /* ok */
-#define __NR_rename 38 /* renameat */
-#define __NR_mkdir 39 /* mkdirat */
-#define __NR_rmdir 40 /* unlinkat */
-#define __NR_dup 41 /* ok */
-#define __NR_pipe 42 /* ok */
-#define __NR_times 43 /* ok */
-#define __NR_prof 44 /* remove */
-#define __NR_brk 45 /* ok -mmu, nommu specific */
-#define __NR_setgid 46 /* ok */
-#define __NR_getgid 47 /* ok */
-#define __NR_signal 48 /* obsolete -> sys_rt_sigaction */
-#define __NR_geteuid 49 /* ok */
-#define __NR_getegid 50 /* ok */
-#define __NR_acct 51 /* add it and then I can disable it */
-#define __NR_umount2 52 /* remove */
-#define __NR_lock 53 /* remove */
-#define __NR_ioctl 54 /* ok */
-#define __NR_fcntl 55 /* ok -> 64bit version*/
-#define __NR_mpx 56 /* remove */
-#define __NR_setpgid 57 /* ok */
-#define __NR_ulimit 58 /* remove */
-#define __NR_oldolduname 59 /* remove */
-#define __NR_umask 60 /* ok */
-#define __NR_chroot 61 /* ok */
-#define __NR_ustat 62 /* obsolete -> statfs64 */
-#define __NR_dup2 63 /* ok */
-#define __NR_getppid 64 /* ok */
-#define __NR_getpgrp 65 /* obsolete -> sys_getpgid */
-#define __NR_setsid 66 /* ok */
-#define __NR_sigaction 67 /* obsolete -> rt_sigaction */
-#define __NR_sgetmask 68 /* obsolete -> sys_rt_sigprocmask */
-#define __NR_ssetmask 69 /* obsolete ->sys_rt_sigprocmask */
-#define __NR_setreuid 70 /* ok */
-#define __NR_setregid 71 /* ok */
-#define __NR_sigsuspend 72 /* obsolete -> rt_sigsuspend */
-#define __NR_sigpending 73 /* obsolete -> sys_rt_sigpending */
-#define __NR_sethostname 74 /* ok */
-#define __NR_setrlimit 75 /* ok */
-#define __NR_getrlimit 76 /* ok Back compatible 2G limited rlimit */
-#define __NR_getrusage 77 /* ok */
-#define __NR_gettimeofday 78 /* ok */
-#define __NR_settimeofday 79 /* ok */
-#define __NR_getgroups 80 /* ok */
-#define __NR_setgroups 81 /* ok */
-#define __NR_select 82 /* obsolete -> sys_pselect6 */
-#define __NR_symlink 83 /* symlinkat */
-#define __NR_oldlstat 84 /* remove */
-#define __NR_readlink 85 /* obsolete -> sys_readlinkat */
-#define __NR_uselib 86 /* remove */
-#define __NR_swapon 87 /* ok */
-#define __NR_reboot 88 /* ok */
-#define __NR_readdir 89 /* remove ? */
-#define __NR_mmap 90 /* obsolete -> sys_mmap2 */
-#define __NR_munmap 91 /* ok - mmu and nommu */
-#define __NR_truncate 92 /* ok or truncate64 */
-#define __NR_ftruncate 93 /* ok or ftruncate64 */
-#define __NR_fchmod 94 /* ok */
-#define __NR_fchown 95 /* ok */
-#define __NR_getpriority 96 /* ok */
-#define __NR_setpriority 97 /* ok */
-#define __NR_profil 98 /* remove */
-#define __NR_statfs 99 /* ok or statfs64 */
-#define __NR_fstatfs 100 /* ok or fstatfs64 */
-#define __NR_ioperm 101 /* remove */
-#define __NR_socketcall 102 /* remove */
-#define __NR_syslog 103 /* ok */
-#define __NR_setitimer 104 /* ok */
-#define __NR_getitimer 105 /* ok */
-#define __NR_stat 106 /* remove */
-#define __NR_lstat 107 /* remove */
-#define __NR_fstat 108 /* remove */
-#define __NR_olduname 109 /* remove */
-#define __NR_iopl 110 /* remove */
-#define __NR_vhangup 111 /* ok */
-#define __NR_idle 112 /* remove */
-#define __NR_vm86old 113 /* remove */
-#define __NR_wait4 114 /* obsolete -> waitid */
-#define __NR_swapoff 115 /* ok */
-#define __NR_sysinfo 116 /* ok */
-#define __NR_ipc 117 /* remove - direct call */
-#define __NR_fsync 118 /* ok */
-#define __NR_sigreturn 119 /* obsolete -> sys_rt_sigreturn */
-#define __NR_clone 120 /* ok */
-#define __NR_setdomainname 121 /* ok */
-#define __NR_uname 122 /* remove */
-#define __NR_modify_ldt 123 /* remove */
-#define __NR_adjtimex 124 /* ok */
-#define __NR_mprotect 125 /* remove */
-#define __NR_sigprocmask 126 /* obsolete -> sys_rt_sigprocmask */
-#define __NR_create_module 127 /* remove */
-#define __NR_init_module 128 /* ok */
-#define __NR_delete_module 129 /* ok */
-#define __NR_get_kernel_syms 130 /* remove */
-#define __NR_quotactl 131 /* ok */
-#define __NR_getpgid 132 /* ok */
-#define __NR_fchdir 133 /* ok */
-#define __NR_bdflush 134 /* remove */
-#define __NR_sysfs 135 /* needed for busybox */
-#define __NR_personality 136 /* ok */
-#define __NR_afs_syscall 137 /* Syscall for Andrew File System */
-#define __NR_setfsuid 138 /* ok */
-#define __NR_setfsgid 139 /* ok */
-#define __NR__llseek 140 /* remove only lseek */
-#define __NR_getdents 141 /* ok or getdents64 */
-#define __NR__newselect 142 /* remove */
-#define __NR_flock 143 /* ok */
-#define __NR_msync 144 /* remove */
-#define __NR_readv 145 /* ok */
-#define __NR_writev 146 /* ok */
-#define __NR_getsid 147 /* ok */
-#define __NR_fdatasync 148 /* ok */
-#define __NR__sysctl 149 /* remove */
-#define __NR_mlock 150 /* ok - nommu or mmu */
-#define __NR_munlock 151 /* ok - nommu or mmu */
-#define __NR_mlockall 152 /* ok - nommu or mmu */
-#define __NR_munlockall 153 /* ok - nommu or mmu */
-#define __NR_sched_setparam 154 /* ok */
-#define __NR_sched_getparam 155 /* ok */
-#define __NR_sched_setscheduler 156 /* ok */
-#define __NR_sched_getscheduler 157 /* ok */
-#define __NR_sched_yield 158 /* ok */
-#define __NR_sched_get_priority_max 159 /* ok */
-#define __NR_sched_get_priority_min 160 /* ok */
-#define __NR_sched_rr_get_interval 161 /* ok */
-#define __NR_nanosleep 162 /* ok */
-#define __NR_mremap 163 /* ok - nommu or mmu */
-#define __NR_setresuid 164 /* ok */
-#define __NR_getresuid 165 /* ok */
-#define __NR_vm86 166 /* remove */
-#define __NR_query_module 167 /* ok */
-#define __NR_poll 168 /* obsolete -> sys_ppoll */
-#define __NR_nfsservctl 169 /* ok */
-#define __NR_setresgid 170 /* ok */
-#define __NR_getresgid 171 /* ok */
-#define __NR_prctl 172 /* ok */
-#define __NR_rt_sigreturn 173 /* ok */
-#define __NR_rt_sigaction 174 /* ok */
-#define __NR_rt_sigprocmask 175 /* ok */
-#define __NR_rt_sigpending 176 /* ok */
-#define __NR_rt_sigtimedwait 177 /* ok */
-#define __NR_rt_sigqueueinfo 178 /* ok */
-#define __NR_rt_sigsuspend 179 /* ok */
-#define __NR_pread64 180 /* ok */
-#define __NR_pwrite64 181 /* ok */
-#define __NR_chown 182 /* obsolete -> fchownat */
-#define __NR_getcwd 183 /* ok */
-#define __NR_capget 184 /* ok */
-#define __NR_capset 185 /* ok */
-#define __NR_sigaltstack 186 /* remove */
-#define __NR_sendfile 187 /* ok -> exist 64bit version*/
-#define __NR_getpmsg 188 /* remove */
-/* remove - some people actually want streams */
-#define __NR_putpmsg 189
-/* for noMMU - group with clone -> maybe remove */
-#define __NR_vfork 190
-#define __NR_ugetrlimit 191 /* remove - SuS compliant getrlimit */
-#define __NR_mmap2 192 /* ok */
-#define __NR_truncate64 193 /* ok */
-#define __NR_ftruncate64 194 /* ok */
-#define __NR_stat64 195 /* remove _ARCH_WANT_STAT64 */
-#define __NR_lstat64 196 /* remove _ARCH_WANT_STAT64 */
-#define __NR_fstat64 197 /* remove _ARCH_WANT_STAT64 */
-#define __NR_lchown32 198 /* ok - without 32 */
-#define __NR_getuid32 199 /* ok - without 32 */
-#define __NR_getgid32 200 /* ok - without 32 */
-#define __NR_geteuid32 201 /* ok - without 32 */
-#define __NR_getegid32 202 /* ok - without 32 */
-#define __NR_setreuid32 203 /* ok - without 32 */
-#define __NR_setregid32 204 /* ok - without 32 */
-#define __NR_getgroups32 205 /* ok - without 32 */
-#define __NR_setgroups32 206 /* ok - without 32 */
-#define __NR_fchown32 207 /* ok - without 32 */
-#define __NR_setresuid32 208 /* ok - without 32 */
-#define __NR_getresuid32 209 /* ok - without 32 */
-#define __NR_setresgid32 210 /* ok - without 32 */
-#define __NR_getresgid32 211 /* ok - without 32 */
-#define __NR_chown32 212 /* ok - without 32 -obsolete -> fchownat */
-#define __NR_setuid32 213 /* ok - without 32 */
-#define __NR_setgid32 214 /* ok - without 32 */
-#define __NR_setfsuid32 215 /* ok - without 32 */
-#define __NR_setfsgid32 216 /* ok - without 32 */
-#define __NR_pivot_root 217 /* ok */
-#define __NR_mincore 218 /* ok */
-#define __NR_madvise 219 /* ok */
-#define __NR_getdents64 220 /* ok */
-#define __NR_fcntl64 221 /* ok */
-/* 223 is unused */
-#define __NR_gettid 224 /* ok */
-#define __NR_readahead 225 /* ok */
-#define __NR_setxattr 226 /* ok */
-#define __NR_lsetxattr 227 /* ok */
-#define __NR_fsetxattr 228 /* ok */
-#define __NR_getxattr 229 /* ok */
-#define __NR_lgetxattr 230 /* ok */
-#define __NR_fgetxattr 231 /* ok */
-#define __NR_listxattr 232 /* ok */
-#define __NR_llistxattr 233 /* ok */
-#define __NR_flistxattr 234 /* ok */
-#define __NR_removexattr 235 /* ok */
-#define __NR_lremovexattr 236 /* ok */
-#define __NR_fremovexattr 237 /* ok */
-#define __NR_tkill 238 /* ok */
-#define __NR_sendfile64 239 /* ok */
-#define __NR_futex 240 /* ok */
-#define __NR_sched_setaffinity 241 /* ok */
-#define __NR_sched_getaffinity 242 /* ok */
-#define __NR_set_thread_area 243 /* remove */
-#define __NR_get_thread_area 244 /* remove */
-#define __NR_io_setup 245 /* ok */
-#define __NR_io_destroy 246 /* ok */
-#define __NR_io_getevents 247 /* ok */
-#define __NR_io_submit 248 /* ok */
-#define __NR_io_cancel 249 /* ok */
-#define __NR_fadvise64 250 /* remove -> sys_fadvise64_64 */
-/* 251 is available for reuse (was briefly sys_set_zone_reclaim) */
-#define __NR_exit_group 252 /* ok */
-#define __NR_lookup_dcookie 253 /* ok */
-#define __NR_epoll_create 254 /* ok */
-#define __NR_epoll_ctl 255 /* ok */
-#define __NR_epoll_wait 256 /* obsolete -> sys_epoll_pwait */
-#define __NR_remap_file_pages 257 /* only for mmu */
-#define __NR_set_tid_address 258 /* ok */
-#define __NR_timer_create 259 /* ok */
-#define __NR_timer_settime (__NR_timer_create+1) /* 260 */ /* ok */
-#define __NR_timer_gettime (__NR_timer_create+2) /* 261 */ /* ok */
-#define __NR_timer_getoverrun (__NR_timer_create+3) /* 262 */ /* ok */
-#define __NR_timer_delete (__NR_timer_create+4) /* 263 */ /* ok */
-#define __NR_clock_settime (__NR_timer_create+5) /* 264 */ /* ok */
-#define __NR_clock_gettime (__NR_timer_create+6) /* 265 */ /* ok */
-#define __NR_clock_getres (__NR_timer_create+7) /* 266 */ /* ok */
-#define __NR_clock_nanosleep (__NR_timer_create+8) /* 267 */ /* ok */
-#define __NR_statfs64 268 /* ok */
-#define __NR_fstatfs64 269 /* ok */
-#define __NR_tgkill 270 /* ok */
-#define __NR_utimes 271 /* obsolete -> sys_futimesat */
-#define __NR_fadvise64_64 272 /* ok */
-#define __NR_vserver 273 /* ok */
-#define __NR_mbind 274 /* only for mmu */
-#define __NR_get_mempolicy 275 /* only for mmu */
-#define __NR_set_mempolicy 276 /* only for mmu */
-#define __NR_mq_open 277 /* ok */
-#define __NR_mq_unlink (__NR_mq_open+1) /* 278 */ /* ok */
-#define __NR_mq_timedsend (__NR_mq_open+2) /* 279 */ /* ok */
-#define __NR_mq_timedreceive (__NR_mq_open+3) /* 280 */ /* ok */
-#define __NR_mq_notify (__NR_mq_open+4) /* 281 */ /* ok */
-#define __NR_mq_getsetattr (__NR_mq_open+5) /* 282 */ /* ok */
-#define __NR_kexec_load 283 /* ok */
-#define __NR_waitid 284 /* ok */
-/* #define __NR_sys_setaltroot 285 */
-#define __NR_add_key 286 /* ok */
-#define __NR_request_key 287 /* ok */
-#define __NR_keyctl 288 /* ok */
-#define __NR_ioprio_set 289 /* ok */
-#define __NR_ioprio_get 290 /* ok */
-#define __NR_inotify_init 291 /* ok */
-#define __NR_inotify_add_watch 292 /* ok */
-#define __NR_inotify_rm_watch 293 /* ok */
-#define __NR_migrate_pages 294 /* mmu */
-#define __NR_openat 295 /* ok */
-#define __NR_mkdirat 296 /* ok */
-#define __NR_mknodat 297 /* ok */
-#define __NR_fchownat 298 /* ok */
-#define __NR_futimesat 299 /* obsolete -> sys_utimesat */
-#define __NR_fstatat64 300 /* stat64 */
-#define __NR_unlinkat 301 /* ok */
-#define __NR_renameat 302 /* ok */
-#define __NR_linkat 303 /* ok */
-#define __NR_symlinkat 304 /* ok */
-#define __NR_readlinkat 305 /* ok */
-#define __NR_fchmodat 306 /* ok */
-#define __NR_faccessat 307 /* ok */
-#define __NR_pselect6 308 /* ok */
-#define __NR_ppoll 309 /* ok */
-#define __NR_unshare 310 /* ok */
-#define __NR_set_robust_list 311 /* ok */
-#define __NR_get_robust_list 312 /* ok */
-#define __NR_splice 313 /* ok */
-#define __NR_sync_file_range 314 /* ok */
-#define __NR_tee 315 /* ok */
-#define __NR_vmsplice 316 /* ok */
-#define __NR_move_pages 317 /* mmu */
-#define __NR_getcpu 318 /* ok */
-#define __NR_epoll_pwait 319 /* ok */
-#define __NR_utimensat 320 /* ok */
-#define __NR_signalfd 321 /* ok */
-#define __NR_timerfd_create 322 /* ok */
-#define __NR_eventfd 323 /* ok */
-#define __NR_fallocate 324 /* ok */
-#define __NR_semtimedop 325 /* ok - semaphore group */
-#define __NR_timerfd_settime 326 /* ok */
-#define __NR_timerfd_gettime 327 /* ok */
-/* sysv ipc syscalls */
-#define __NR_semctl 328 /* ok */
-#define __NR_semget 329 /* ok */
-#define __NR_semop 330 /* ok */
-#define __NR_msgctl 331 /* ok */
-#define __NR_msgget 332 /* ok */
-#define __NR_msgrcv 333 /* ok */
-#define __NR_msgsnd 334 /* ok */
-#define __NR_shmat 335 /* ok */
-#define __NR_shmctl 336 /* ok */
-#define __NR_shmdt 337 /* ok */
-#define __NR_shmget 338 /* ok */
-
-
-#define __NR_signalfd4 339 /* new */
-#define __NR_eventfd2 340 /* new */
-#define __NR_epoll_create1 341 /* new */
-#define __NR_dup3 342 /* new */
-#define __NR_pipe2 343 /* new */
-#define __NR_inotify_init1 344 /* new */
-#define __NR_socket 345 /* new */
-#define __NR_socketpair 346 /* new */
-#define __NR_bind 347 /* new */
-#define __NR_listen 348 /* new */
-#define __NR_accept 349 /* new */
-#define __NR_connect 350 /* new */
-#define __NR_getsockname 351 /* new */
-#define __NR_getpeername 352 /* new */
-#define __NR_sendto 353 /* new */
-#define __NR_send 354 /* new */
-#define __NR_recvfrom 355 /* new */
-#define __NR_recv 356 /* new */
-#define __NR_setsockopt 357 /* new */
-#define __NR_getsockopt 358 /* new */
-#define __NR_shutdown 359 /* new */
-#define __NR_sendmsg 360 /* new */
-#define __NR_recvmsg 361 /* new */
-#define __NR_accept4 362 /* new */
-#define __NR_preadv 363 /* new */
-#define __NR_pwritev 364 /* new */
-#define __NR_rt_tgsigqueueinfo 365 /* new */
-#define __NR_perf_event_open 366 /* new */
-#define __NR_recvmmsg 367 /* new */
-#define __NR_fanotify_init 368
-#define __NR_fanotify_mark 369
-#define __NR_prlimit64 370
-#define __NR_name_to_handle_at 371
-#define __NR_open_by_handle_at 372
-#define __NR_clock_adjtime 373
-#define __NR_syncfs 374
-#define __NR_setns 375
-#define __NR_sendmmsg 376
-#define __NR_process_vm_readv 377
-#define __NR_process_vm_writev 378
-#define __NR_kcmp 379
-#define __NR_finit_module 380
-#define __NR_sched_setattr 381
-#define __NR_sched_getattr 382
-#define __NR_renameat2 383
-#define __NR_seccomp 384
-#define __NR_getrandom 385
-#define __NR_memfd_create 386
-#define __NR_bpf 387
-#define __NR_execveat 388
-#define __NR_userfaultfd 389
-#define __NR_membarrier 390
-#define __NR_mlock2 391
-#define __NR_copy_file_range 392
-#define __NR_preadv2 393
-#define __NR_pwritev2 394
-#define __NR_pkey_mprotect 395
-#define __NR_pkey_alloc 396
-#define __NR_pkey_free 397
-#define __NR_statx 398
-#define __NR_io_pgetevents 399
-#define __NR_rseq 400
+#include <asm/unistd_32.h>
#endif /* _UAPI_ASM_MICROBLAZE_UNISTD_H */
diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c
index 96b3f26..ef2f494 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo.c
@@ -89,9 +89,9 @@
void __init setup_cpuinfo(void)
{
- cpu = (struct device_node *) of_find_node_by_type(NULL, "cpu");
+ cpu = of_get_cpu_node(0, NULL);
if (!cpu)
- pr_err("You don't have cpu!!!\n");
+ pr_err("You don't have cpu or are missing cpu reg property!!!\n");
pr_info("%s: initialising\n", __func__);
@@ -117,6 +117,8 @@
if (cpuinfo.mmu_privins)
pr_warn("%s: Stream instructions enabled"
" - USERSPACE CAN LOCK THIS KERNEL!\n", __func__);
+
+ of_node_put(cpu);
}
void __init setup_cpuinfo_clk(void)
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 71032cf..a89c2d4 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -42,25 +42,3 @@
{
__dma_sync(dev, paddr, size, dir);
}
-
-int arch_dma_mmap(struct device *dev, struct vm_area_struct *vma,
- void *cpu_addr, dma_addr_t handle, size_t size,
- unsigned long attrs)
-{
-#ifdef CONFIG_MMU
- unsigned long user_count = vma_pages(vma);
- unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
- unsigned long off = vma->vm_pgoff;
- unsigned long pfn;
-
- if (off >= count || user_count > (count - off))
- return -ENXIO;
-
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- pfn = consistent_virt_to_pfn(cpu_addr);
- return remap_pfn_range(vma, vma->vm_start, pfn + off,
- vma->vm_end - vma->vm_start, vma->vm_page_prot);
-#else
- return -ENXIO;
-#endif
-}
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c
index eafff21..cf99c41 100644
--- a/arch/microblaze/kernel/exceptions.c
+++ b/arch/microblaze/kernel/exceptions.c
@@ -63,7 +63,7 @@
if (kernel_mode(regs))
die("Exception in kernel mode", regs, signr);
- force_sig_fault(signr, code, (void __user *)addr, current);
+ force_sig_fault(signr, code, (void __user *)addr);
}
asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S
index 0b11a44..95558f3 100644
--- a/arch/microblaze/kernel/hw_exception_handler.S
+++ b/arch/microblaze/kernel/hw_exception_handler.S
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Exception handling for Microblaze
*
@@ -30,10 +31,6 @@
*
* Original code
* Copyright (C) 2004 Xilinx, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
/*
diff --git a/arch/microblaze/kernel/kgdb.c b/arch/microblaze/kernel/kgdb.c
index 6366f69..130cd0f 100644
--- a/arch/microblaze/kernel/kgdb.c
+++ b/arch/microblaze/kernel/kgdb.c
@@ -143,7 +143,7 @@
/*
* Global data
*/
-struct kgdb_arch arch_kgdb_ops = {
+const struct kgdb_arch arch_kgdb_ops = {
#ifdef __MICROBLAZEEL__
.gdb_bpt_instr = {0x18, 0x00, 0x0c, 0xba}, /* brki r16, 0x18 */
#else
diff --git a/arch/microblaze/kernel/microblaze_ksyms.c b/arch/microblaze/kernel/microblaze_ksyms.c
index 9f1d02c..92e12c2 100644
--- a/arch/microblaze/kernel/microblaze_ksyms.c
+++ b/arch/microblaze/kernel/microblaze_ksyms.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
* Copyright (C) 2008-2009 PetaLogix
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/export.h>
diff --git a/arch/microblaze/kernel/module.c b/arch/microblaze/kernel/module.c
index 182e6be..d9a2014 100644
--- a/arch/microblaze/kernel/module.c
+++ b/arch/microblaze/kernel/module.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
* Copyright (C) 2007-2009 PetaLogix
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/export.h>
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index c76c93b..c5c6186 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Procedures for creating, accessing and interpreting the device tree.
*
@@ -6,11 +7,6 @@
*
* Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner.
* {engebret|bergner}@us.ibm.com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c
index fcbe1da..5f47229 100644
--- a/arch/microblaze/kernel/reset.c
+++ b/arch/microblaze/kernel/reset.c
@@ -8,83 +8,9 @@
*/
#include <linux/init.h>
+#include <linux/delay.h>
#include <linux/of_platform.h>
-
-/* Trigger specific functions */
-#ifdef CONFIG_GPIOLIB
-
-#include <linux/of_gpio.h>
-
-static int handle; /* reset pin handle */
-static unsigned int reset_val;
-
-static int of_platform_reset_gpio_probe(void)
-{
- int ret;
- handle = of_get_named_gpio(of_find_node_by_path("/"),
- "hard-reset-gpios", 0);
-
- if (!gpio_is_valid(handle)) {
- pr_info("Skipping unavailable RESET gpio %d (%s)\n",
- handle, "reset");
- return -ENODEV;
- }
-
- ret = gpio_request(handle, "reset");
- if (ret < 0) {
- pr_info("GPIO pin is already allocated\n");
- return ret;
- }
-
- /* get current setup value */
- reset_val = gpio_get_value(handle);
- /* FIXME maybe worth to perform any action */
- pr_debug("Reset: Gpio output state: 0x%x\n", reset_val);
-
- /* Setup GPIO as output */
- ret = gpio_direction_output(handle, 0);
- if (ret < 0)
- goto err;
-
- /* Setup output direction */
- gpio_set_value(handle, 0);
-
- pr_info("RESET: Registered gpio device: %d, current val: %d\n",
- handle, reset_val);
- return 0;
-err:
- gpio_free(handle);
- return ret;
-}
-device_initcall(of_platform_reset_gpio_probe);
-
-
-static void gpio_system_reset(void)
-{
- if (gpio_is_valid(handle))
- gpio_set_value(handle, 1 - reset_val);
- else
- pr_notice("Reset GPIO unavailable - halting!\n");
-}
-#else
-static void gpio_system_reset(void)
-{
- pr_notice("No reset GPIO present - halting!\n");
-}
-
-void of_platform_reset_gpio_probe(void)
-{
- return;
-}
-#endif
-
-void machine_restart(char *cmd)
-{
- pr_notice("Machine restart...\n");
- gpio_system_reset();
- while (1)
- ;
-}
+#include <linux/reboot.h>
void machine_shutdown(void)
{
@@ -106,3 +32,12 @@
while (1)
;
}
+
+void machine_restart(char *cmd)
+{
+ do_kernel_restart(cmd);
+ /* Give the restart hook 1 s to take us down */
+ mdelay(1000);
+ pr_emerg("Reboot failed -- System halted\n");
+ while (1);
+}
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index bbd6968..522a0c5 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -192,23 +192,14 @@
static int microblaze_debugfs_init(void)
{
of_debugfs_root = debugfs_create_dir("microblaze", NULL);
-
- return of_debugfs_root == NULL;
+ return 0;
}
arch_initcall(microblaze_debugfs_init);
# ifdef CONFIG_MMU
static int __init debugfs_tlb(void)
{
- struct dentry *d;
-
- if (!of_debugfs_root)
- return -ENODEV;
-
- d = debugfs_create_u32("tlb_skip", S_IRUGO, of_debugfs_root, &tlb_skip);
- if (!d)
- return -ENOMEM;
-
+ debugfs_create_u32("tlb_skip", S_IRUGO, of_debugfs_root, &tlb_skip);
return 0;
}
device_initcall(debugfs_tlb);
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 9700152..cdd4feb 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -91,7 +91,7 @@
/* Always make any pending restarted system calls return -EINTR */
current->restart_block.fn = do_no_restart_syscall;
- if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
@@ -108,7 +108,7 @@
return rval;
badframe:
- force_sig(SIGSEGV, current);
+ force_sig(SIGSEGV);
return 0;
}
@@ -166,7 +166,7 @@
frame = get_sigframe(ksig, regs, sizeof(*frame));
- if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
+ if (!access_ok(frame, sizeof(*frame)))
return -EFAULT;
if (ksig->ka.sa.sa_flags & SA_SIGINFO)
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index 6ab6505..ce00664 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -1,404 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
+
+#define __SYSCALL(nr, entry, nargs) .long entry
ENTRY(sys_call_table)
- .long sys_restart_syscall /* 0 - old "setup()" system call,
- * used for restarting */
- .long sys_exit
- .long sys_fork
- .long sys_read
- .long sys_write
- .long sys_open /* 5 */
- .long sys_close
- .long sys_waitpid
- .long sys_creat
- .long sys_link
- .long sys_unlink /* 10 */
- .long sys_execve
- .long sys_chdir
- .long sys_time
- .long sys_mknod
- .long sys_chmod /* 15 */
- .long sys_lchown
- .long sys_ni_syscall /* old break syscall holder */
- .long sys_ni_syscall /* old stat */
- .long sys_lseek
- .long sys_getpid /* 20 */
- .long sys_mount
- .long sys_oldumount
- .long sys_setuid
- .long sys_getuid
- .long sys_stime /* 25 */
- .long sys_ptrace
- .long sys_alarm
- .long sys_ni_syscall /* oldfstat */
- .long sys_pause
- .long sys_utime /* 30 */
- .long sys_ni_syscall /* old stty syscall holder */
- .long sys_ni_syscall /* old gtty syscall holder */
- .long sys_access
- .long sys_nice
- .long sys_ni_syscall /* 35 - old ftime syscall holder */
- .long sys_sync
- .long sys_kill
- .long sys_rename
- .long sys_mkdir
- .long sys_rmdir /* 40 */
- .long sys_dup
- .long sys_pipe
- .long sys_times
- .long sys_ni_syscall /* old prof syscall holder */
- .long sys_brk /* 45 */
- .long sys_setgid
- .long sys_getgid
- .long sys_signal
- .long sys_geteuid
- .long sys_getegid /* 50 */
- .long sys_acct
- .long sys_umount /* recycled never used phys() */
- .long sys_ni_syscall /* old lock syscall holder */
- .long sys_ioctl
- .long sys_fcntl /* 55 */
- .long sys_ni_syscall /* old mpx syscall holder */
- .long sys_setpgid
- .long sys_ni_syscall /* old ulimit syscall holder */
- .long sys_ni_syscall /* olduname */
- .long sys_umask /* 60 */
- .long sys_chroot
- .long sys_ustat
- .long sys_dup2
- .long sys_getppid
- .long sys_getpgrp /* 65 */
- .long sys_setsid
- .long sys_ni_syscall /* sys_sigaction */
- .long sys_sgetmask
- .long sys_ssetmask
- .long sys_setreuid /* 70 */
- .long sys_setregid
- .long sys_ni_syscall /* sys_sigsuspend_wrapper */
- .long sys_sigpending
- .long sys_sethostname
- .long sys_setrlimit /* 75 */
- .long sys_ni_syscall /* old_getrlimit */
- .long sys_getrusage
- .long sys_gettimeofday
- .long sys_settimeofday
- .long sys_getgroups /* 80 */
- .long sys_setgroups
- .long sys_ni_syscall /* old_select */
- .long sys_symlink
- .long sys_ni_syscall /* oldlstat */
- .long sys_readlink /* 85 */
- .long sys_uselib
- .long sys_swapon
- .long sys_reboot
- .long sys_ni_syscall /* old_readdir */
- .long sys_mmap /* 90 */ /* old_mmap */
- .long sys_munmap
- .long sys_truncate
- .long sys_ftruncate
- .long sys_fchmod
- .long sys_fchown /* 95 */
- .long sys_getpriority
- .long sys_setpriority
- .long sys_ni_syscall /* old profil syscall holder */
- .long sys_statfs
- .long sys_fstatfs /* 100 */
- .long sys_ni_syscall /* ioperm */
- .long sys_socketcall
- .long sys_syslog /* operation with system console */
- .long sys_setitimer
- .long sys_getitimer /* 105 */
- .long sys_newstat
- .long sys_newlstat
- .long sys_newfstat
- .long sys_ni_syscall /* uname */
- .long sys_ni_syscall /* 110 */ /* iopl */
- .long sys_vhangup
- .long sys_ni_syscall /* old "idle" system call */
- .long sys_ni_syscall /* old sys_vm86old */
- .long sys_wait4
- .long sys_swapoff /* 115 */
- .long sys_sysinfo
- .long sys_ni_syscall /* old sys_ipc */
- .long sys_fsync
- .long sys_ni_syscall /* sys_sigreturn_wrapper */
- .long sys_clone /* 120 */
- .long sys_setdomainname
- .long sys_newuname
- .long sys_ni_syscall /* modify_ldt */
- .long sys_adjtimex
- .long sys_mprotect /* 125: sys_mprotect */
- .long sys_sigprocmask
- .long sys_ni_syscall /* old "create_module" */
- .long sys_init_module
- .long sys_delete_module
- .long sys_ni_syscall /* 130: old "get_kernel_syms" */
- .long sys_quotactl
- .long sys_getpgid
- .long sys_fchdir
- .long sys_bdflush
- .long sys_sysfs /* 135 */
- .long sys_personality
- .long sys_ni_syscall /* reserved for afs_syscall */
- .long sys_setfsuid
- .long sys_setfsgid
- .long sys_llseek /* 140 */
- .long sys_getdents
- .long sys_select
- .long sys_flock
- .long sys_msync
- .long sys_readv /* 145 */
- .long sys_writev
- .long sys_getsid
- .long sys_fdatasync
- .long sys_sysctl
- .long sys_mlock /* 150: sys_mlock */
- .long sys_munlock
- .long sys_mlockall
- .long sys_munlockall
- .long sys_sched_setparam
- .long sys_sched_getparam /* 155 */
- .long sys_sched_setscheduler
- .long sys_sched_getscheduler
- .long sys_sched_yield
- .long sys_sched_get_priority_max
- .long sys_sched_get_priority_min /* 160 */
- .long sys_sched_rr_get_interval
- .long sys_nanosleep
- .long sys_mremap
- .long sys_setresuid
- .long sys_getresuid /* 165 */
- .long sys_ni_syscall /* sys_vm86 */
- .long sys_ni_syscall /* Old sys_query_module */
- .long sys_poll
- .long sys_ni_syscall /* old nfsservctl */
- .long sys_setresgid /* 170 */
- .long sys_getresgid
- .long sys_prctl
- .long sys_rt_sigreturn_wrapper
- .long sys_rt_sigaction
- .long sys_rt_sigprocmask /* 175 */
- .long sys_rt_sigpending
- .long sys_rt_sigtimedwait
- .long sys_rt_sigqueueinfo
- .long sys_rt_sigsuspend
- .long sys_pread64 /* 180 */
- .long sys_pwrite64
- .long sys_chown
- .long sys_getcwd
- .long sys_capget
- .long sys_capset /* 185 */
- .long sys_ni_syscall /* sigaltstack */
- .long sys_sendfile
- .long sys_ni_syscall /* reserved for streams1 */
- .long sys_ni_syscall /* reserved for streams2 */
- .long sys_vfork /* 190 */
- .long sys_getrlimit
- .long sys_mmap2
- .long sys_truncate64
- .long sys_ftruncate64
- .long sys_stat64 /* 195 */
- .long sys_lstat64
- .long sys_fstat64
- .long sys_lchown
- .long sys_getuid
- .long sys_getgid /* 200 */
- .long sys_geteuid
- .long sys_getegid
- .long sys_setreuid
- .long sys_setregid
- .long sys_getgroups /* 205 */
- .long sys_setgroups
- .long sys_fchown
- .long sys_setresuid
- .long sys_getresuid
- .long sys_setresgid /* 210 */
- .long sys_getresgid
- .long sys_chown
- .long sys_setuid
- .long sys_setgid
- .long sys_setfsuid /* 215 */
- .long sys_setfsgid
- .long sys_pivot_root
- .long sys_mincore
- .long sys_madvise
- .long sys_getdents64 /* 220 */
- .long sys_fcntl64
- .long sys_ni_syscall /* reserved for TUX */
- .long sys_ni_syscall
- .long sys_gettid
- .long sys_readahead /* 225 */
- .long sys_setxattr
- .long sys_lsetxattr
- .long sys_fsetxattr
- .long sys_getxattr
- .long sys_lgetxattr /* 230 */
- .long sys_fgetxattr
- .long sys_listxattr
- .long sys_llistxattr
- .long sys_flistxattr
- .long sys_removexattr /* 235 */
- .long sys_lremovexattr
- .long sys_fremovexattr
- .long sys_tkill
- .long sys_sendfile64
- .long sys_futex /* 240 */
- .long sys_sched_setaffinity
- .long sys_sched_getaffinity
- .long sys_ni_syscall /* set_thread_area */
- .long sys_ni_syscall /* get_thread_area */
- .long sys_io_setup /* 245 */
- .long sys_io_destroy
- .long sys_io_getevents
- .long sys_io_submit
- .long sys_io_cancel
- .long sys_fadvise64 /* 250 */
- .long sys_ni_syscall
- .long sys_exit_group
- .long sys_lookup_dcookie
- .long sys_epoll_create
- .long sys_epoll_ctl /* 255 */
- .long sys_epoll_wait
- .long sys_remap_file_pages
- .long sys_set_tid_address
- .long sys_timer_create
- .long sys_timer_settime /* 260 */
- .long sys_timer_gettime
- .long sys_timer_getoverrun
- .long sys_timer_delete
- .long sys_clock_settime
- .long sys_clock_gettime /* 265 */
- .long sys_clock_getres
- .long sys_clock_nanosleep
- .long sys_statfs64
- .long sys_fstatfs64
- .long sys_tgkill /* 270 */
- .long sys_utimes
- .long sys_fadvise64_64
- .long sys_ni_syscall /* sys_vserver */
- .long sys_mbind
- .long sys_get_mempolicy
- .long sys_set_mempolicy
- .long sys_mq_open
- .long sys_mq_unlink
- .long sys_mq_timedsend
- .long sys_mq_timedreceive /* 280 */
- .long sys_mq_notify
- .long sys_mq_getsetattr
- .long sys_kexec_load
- .long sys_waitid
- .long sys_ni_syscall /* 285 */ /* available */
- .long sys_add_key
- .long sys_request_key
- .long sys_keyctl
- .long sys_ioprio_set
- .long sys_ioprio_get /* 290 */
- .long sys_inotify_init
- .long sys_inotify_add_watch
- .long sys_inotify_rm_watch
- .long sys_ni_syscall /* sys_migrate_pages */
- .long sys_openat /* 295 */
- .long sys_mkdirat
- .long sys_mknodat
- .long sys_fchownat
- .long sys_futimesat
- .long sys_fstatat64 /* 300 */
- .long sys_unlinkat
- .long sys_renameat
- .long sys_linkat
- .long sys_symlinkat
- .long sys_readlinkat /* 305 */
- .long sys_fchmodat
- .long sys_faccessat
- .long sys_pselect6
- .long sys_ppoll
- .long sys_unshare /* 310 */
- .long sys_set_robust_list
- .long sys_get_robust_list
- .long sys_splice
- .long sys_sync_file_range
- .long sys_tee /* 315 */
- .long sys_vmsplice
- .long sys_move_pages
- .long sys_getcpu
- .long sys_epoll_pwait
- .long sys_utimensat /* 320 */
- .long sys_signalfd
- .long sys_timerfd_create
- .long sys_eventfd
- .long sys_fallocate
- .long sys_semtimedop /* 325 */
- .long sys_timerfd_settime
- .long sys_timerfd_gettime
- .long sys_semctl
- .long sys_semget
- .long sys_semop /* 330 */
- .long sys_msgctl
- .long sys_msgget
- .long sys_msgrcv
- .long sys_msgsnd
- .long sys_shmat /* 335 */
- .long sys_shmctl
- .long sys_shmdt
- .long sys_shmget
- .long sys_signalfd4 /* new syscall */
- .long sys_eventfd2 /* 340 */
- .long sys_epoll_create1
- .long sys_dup3
- .long sys_pipe2
- .long sys_inotify_init1
- .long sys_socket /* 345 */
- .long sys_socketpair
- .long sys_bind
- .long sys_listen
- .long sys_accept
- .long sys_connect /* 350 */
- .long sys_getsockname
- .long sys_getpeername
- .long sys_sendto
- .long sys_send
- .long sys_recvfrom /* 355 */
- .long sys_recv
- .long sys_setsockopt
- .long sys_getsockopt
- .long sys_shutdown
- .long sys_sendmsg /* 360 */
- .long sys_recvmsg
- .long sys_accept4
- .long sys_preadv
- .long sys_pwritev
- .long sys_rt_tgsigqueueinfo /* 365 */
- .long sys_perf_event_open
- .long sys_recvmmsg
- .long sys_fanotify_init
- .long sys_fanotify_mark
- .long sys_prlimit64 /* 370 */
- .long sys_name_to_handle_at
- .long sys_open_by_handle_at
- .long sys_clock_adjtime
- .long sys_syncfs
- .long sys_setns /* 375 */
- .long sys_sendmmsg
- .long sys_process_vm_readv
- .long sys_process_vm_writev
- .long sys_kcmp
- .long sys_finit_module /* 380 */
- .long sys_sched_setattr
- .long sys_sched_getattr
- .long sys_renameat2
- .long sys_seccomp
- .long sys_getrandom /* 385 */
- .long sys_memfd_create
- .long sys_bpf
- .long sys_execveat
- .long sys_userfaultfd
- .long sys_membarrier /* 390 */
- .long sys_mlock2
- .long sys_copy_file_range
- .long sys_preadv2
- .long sys_pwritev2
- .long sys_pkey_mprotect /* 395 */
- .long sys_pkey_alloc
- .long sys_pkey_free
- .long sys_statx
- .long sys_io_pgetevents
- .long sys_rseq
+#include <asm/syscall_table.h>
+#undef __SYSCALL
diff --git a/arch/microblaze/kernel/syscalls/Makefile b/arch/microblaze/kernel/syscalls/Makefile
new file mode 100644
index 0000000..659faef
--- /dev/null
+++ b/arch/microblaze/kernel/syscalls/Makefile
@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: GPL-2.0
+kapi := arch/$(SRCARCH)/include/generated/asm
+uapi := arch/$(SRCARCH)/include/generated/uapi/asm
+
+_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \
+ $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)')
+
+syscall := $(srctree)/$(src)/syscall.tbl
+syshdr := $(srctree)/$(src)/syscallhdr.sh
+systbl := $(srctree)/$(src)/syscalltbl.sh
+
+quiet_cmd_syshdr = SYSHDR $@
+ cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \
+ '$(syshdr_abis_$(basetarget))' \
+ '$(syshdr_pfx_$(basetarget))' \
+ '$(syshdr_offset_$(basetarget))'
+
+quiet_cmd_systbl = SYSTBL $@
+ cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \
+ '$(systbl_abis_$(basetarget))' \
+ '$(systbl_abi_$(basetarget))' \
+ '$(systbl_offset_$(basetarget))'
+
+$(uapi)/unistd_32.h: $(syscall) $(syshdr)
+ $(call if_changed,syshdr)
+
+$(kapi)/syscall_table.h: $(syscall) $(systbl)
+ $(call if_changed,systbl)
+
+uapisyshdr-y += unistd_32.h
+kapisyshdr-y += syscall_table.h
+
+targets += $(uapisyshdr-y) $(kapisyshdr-y)
+
+PHONY += all
+all: $(addprefix $(uapi)/,$(uapisyshdr-y))
+all: $(addprefix $(kapi)/,$(kapisyshdr-y))
+ @:
diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl
new file mode 100644
index 0000000..09b0cd7
--- /dev/null
+++ b/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -0,0 +1,443 @@
+# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
+#
+# system call numbers and entry vectors for microblaze
+#
+# The format is:
+# <number> <abi> <name> <entry point>
+#
+# The <abi> is always "common" for this file
+#
+0 common restart_syscall sys_restart_syscall
+1 common exit sys_exit
+2 common fork sys_fork
+3 common read sys_read
+4 common write sys_write
+5 common open sys_open
+6 common close sys_close
+7 common waitpid sys_waitpid
+8 common creat sys_creat
+9 common link sys_link
+10 common unlink sys_unlink
+11 common execve sys_execve
+12 common chdir sys_chdir
+13 common time sys_time32
+14 common mknod sys_mknod
+15 common chmod sys_chmod
+16 common lchown sys_lchown
+17 common break sys_ni_syscall
+18 common oldstat sys_ni_syscall
+19 common lseek sys_lseek
+20 common getpid sys_getpid
+21 common mount sys_mount
+22 common umount sys_oldumount
+23 common setuid sys_setuid
+24 common getuid sys_getuid
+25 common stime sys_stime32
+26 common ptrace sys_ptrace
+27 common alarm sys_alarm
+28 common oldfstat sys_ni_syscall
+29 common pause sys_pause
+30 common utime sys_utime32
+31 common stty sys_ni_syscall
+32 common gtty sys_ni_syscall
+33 common access sys_access
+34 common nice sys_nice
+35 common ftime sys_ni_syscall
+36 common sync sys_sync
+37 common kill sys_kill
+38 common rename sys_rename
+39 common mkdir sys_mkdir
+40 common rmdir sys_rmdir
+41 common dup sys_dup
+42 common pipe sys_pipe
+43 common times sys_times
+44 common prof sys_ni_syscall
+45 common brk sys_brk
+46 common setgid sys_setgid
+47 common getgid sys_getgid
+48 common signal sys_signal
+49 common geteuid sys_geteuid
+50 common getegid sys_getegid
+51 common acct sys_acct
+52 common umount2 sys_umount
+53 common lock sys_ni_syscall
+54 common ioctl sys_ioctl
+55 common fcntl sys_fcntl
+56 common mpx sys_ni_syscall
+57 common setpgid sys_setpgid
+58 common ulimit sys_ni_syscall
+59 common oldolduname sys_ni_syscall
+60 common umask sys_umask
+61 common chroot sys_chroot
+62 common ustat sys_ustat
+63 common dup2 sys_dup2
+64 common getppid sys_getppid
+65 common getpgrp sys_getpgrp
+66 common setsid sys_setsid
+67 common sigaction sys_ni_syscall
+68 common sgetmask sys_sgetmask
+69 common ssetmask sys_ssetmask
+70 common setreuid sys_setreuid
+71 common setregid sys_setregid
+72 common sigsuspend sys_ni_syscall
+73 common sigpending sys_sigpending
+74 common sethostname sys_sethostname
+75 common setrlimit sys_setrlimit
+76 common getrlimit sys_ni_syscall
+77 common getrusage sys_getrusage
+78 common gettimeofday sys_gettimeofday
+79 common settimeofday sys_settimeofday
+80 common getgroups sys_getgroups
+81 common setgroups sys_setgroups
+82 common select sys_ni_syscall
+83 common symlink sys_symlink
+84 common oldlstat sys_ni_syscall
+85 common readlink sys_readlink
+86 common uselib sys_uselib
+87 common swapon sys_swapon
+88 common reboot sys_reboot
+89 common readdir sys_ni_syscall
+90 common mmap sys_mmap
+91 common munmap sys_munmap
+92 common truncate sys_truncate
+93 common ftruncate sys_ftruncate
+94 common fchmod sys_fchmod
+95 common fchown sys_fchown
+96 common getpriority sys_getpriority
+97 common setpriority sys_setpriority
+98 common profil sys_ni_syscall
+99 common statfs sys_statfs
+100 common fstatfs sys_fstatfs
+101 common ioperm sys_ni_syscall
+102 common socketcall sys_socketcall
+103 common syslog sys_syslog
+104 common setitimer sys_setitimer
+105 common getitimer sys_getitimer
+106 common stat sys_newstat
+107 common lstat sys_newlstat
+108 common fstat sys_newfstat
+109 common olduname sys_ni_syscall
+110 common iopl sys_ni_syscall
+111 common vhangup sys_vhangup
+112 common idle sys_ni_syscall
+113 common vm86old sys_ni_syscall
+114 common wait4 sys_wait4
+115 common swapoff sys_swapoff
+116 common sysinfo sys_sysinfo
+117 common ipc sys_ni_syscall
+118 common fsync sys_fsync
+119 common sigreturn sys_ni_syscall
+120 common clone sys_clone
+121 common setdomainname sys_setdomainname
+122 common uname sys_newuname
+123 common modify_ldt sys_ni_syscall
+124 common adjtimex sys_adjtimex_time32
+125 common mprotect sys_mprotect
+126 common sigprocmask sys_sigprocmask
+127 common create_module sys_ni_syscall
+128 common init_module sys_init_module
+129 common delete_module sys_delete_module
+130 common get_kernel_syms sys_ni_syscall
+131 common quotactl sys_quotactl
+132 common getpgid sys_getpgid
+133 common fchdir sys_fchdir
+134 common bdflush sys_bdflush
+135 common sysfs sys_sysfs
+136 common personality sys_personality
+137 common afs_syscall sys_ni_syscall
+138 common setfsuid sys_setfsuid
+139 common setfsgid sys_setfsgid
+140 common _llseek sys_llseek
+141 common getdents sys_getdents
+142 common _newselect sys_select
+143 common flock sys_flock
+144 common msync sys_msync
+145 common readv sys_readv
+146 common writev sys_writev
+147 common getsid sys_getsid
+148 common fdatasync sys_fdatasync
+149 common _sysctl sys_sysctl
+150 common mlock sys_mlock
+151 common munlock sys_munlock
+152 common mlockall sys_mlockall
+153 common munlockall sys_munlockall
+154 common sched_setparam sys_sched_setparam
+155 common sched_getparam sys_sched_getparam
+156 common sched_setscheduler sys_sched_setscheduler
+157 common sched_getscheduler sys_sched_getscheduler
+158 common sched_yield sys_sched_yield
+159 common sched_get_priority_max sys_sched_get_priority_max
+160 common sched_get_priority_min sys_sched_get_priority_min
+161 common sched_rr_get_interval sys_sched_rr_get_interval_time32
+162 common nanosleep sys_nanosleep_time32
+163 common mremap sys_mremap
+164 common setresuid sys_setresuid
+165 common getresuid sys_getresuid
+166 common vm86 sys_ni_syscall
+167 common query_module sys_ni_syscall
+168 common poll sys_poll
+169 common nfsservctl sys_ni_syscall
+170 common setresgid sys_setresgid
+171 common getresgid sys_getresgid
+172 common prctl sys_prctl
+173 common rt_sigreturn sys_rt_sigreturn_wrapper
+174 common rt_sigaction sys_rt_sigaction
+175 common rt_sigprocmask sys_rt_sigprocmask
+176 common rt_sigpending sys_rt_sigpending
+177 common rt_sigtimedwait sys_rt_sigtimedwait_time32
+178 common rt_sigqueueinfo sys_rt_sigqueueinfo
+179 common rt_sigsuspend sys_rt_sigsuspend
+180 common pread64 sys_pread64
+181 common pwrite64 sys_pwrite64
+182 common chown sys_chown
+183 common getcwd sys_getcwd
+184 common capget sys_capget
+185 common capset sys_capset
+186 common sigaltstack sys_ni_syscall
+187 common sendfile sys_sendfile
+188 common getpmsg sys_ni_syscall
+189 common putpmsg sys_ni_syscall
+190 common vfork sys_vfork
+191 common ugetrlimit sys_getrlimit
+192 common mmap2 sys_mmap2
+193 common truncate64 sys_truncate64
+194 common ftruncate64 sys_ftruncate64
+195 common stat64 sys_stat64
+196 common lstat64 sys_lstat64
+197 common fstat64 sys_fstat64
+198 common lchown32 sys_lchown
+199 common getuid32 sys_getuid
+200 common getgid32 sys_getgid
+201 common geteuid32 sys_geteuid
+202 common getegid32 sys_getegid
+203 common setreuid32 sys_setreuid
+204 common setregid32 sys_setregid
+205 common getgroups32 sys_getgroups
+206 common setgroups32 sys_setgroups
+207 common fchown32 sys_fchown
+208 common setresuid32 sys_setresuid
+209 common getresuid32 sys_getresuid
+210 common setresgid32 sys_setresgid
+211 common getresgid32 sys_getresgid
+212 common chown32 sys_chown
+213 common setuid32 sys_setuid
+214 common setgid32 sys_setgid
+215 common setfsuid32 sys_setfsuid
+216 common setfsgid32 sys_setfsgid
+217 common pivot_root sys_pivot_root
+218 common mincore sys_mincore
+219 common madvise sys_madvise
+220 common getdents64 sys_getdents64
+221 common fcntl64 sys_fcntl64
+# 222 is reserved for TUX
+# 223 is unused
+224 common gettid sys_gettid
+225 common readahead sys_readahead
+226 common setxattr sys_setxattr
+227 common lsetxattr sys_lsetxattr
+228 common fsetxattr sys_fsetxattr
+229 common getxattr sys_getxattr
+230 common lgetxattr sys_lgetxattr
+231 common fgetxattr sys_fgetxattr
+232 common listxattr sys_listxattr
+233 common llistxattr sys_llistxattr
+234 common flistxattr sys_flistxattr
+235 common removexattr sys_removexattr
+236 common lremovexattr sys_lremovexattr
+237 common fremovexattr sys_fremovexattr
+238 common tkill sys_tkill
+239 common sendfile64 sys_sendfile64
+240 common futex sys_futex_time32
+241 common sched_setaffinity sys_sched_setaffinity
+242 common sched_getaffinity sys_sched_getaffinity
+243 common set_thread_area sys_ni_syscall
+244 common get_thread_area sys_ni_syscall
+245 common io_setup sys_io_setup
+246 common io_destroy sys_io_destroy
+247 common io_getevents sys_io_getevents_time32
+248 common io_submit sys_io_submit
+249 common io_cancel sys_io_cancel
+250 common fadvise64 sys_fadvise64
+# 251 is available for reuse (was briefly sys_set_zone_reclaim)
+252 common exit_group sys_exit_group
+253 common lookup_dcookie sys_lookup_dcookie
+254 common epoll_create sys_epoll_create
+255 common epoll_ctl sys_epoll_ctl
+256 common epoll_wait sys_epoll_wait
+257 common remap_file_pages sys_remap_file_pages
+258 common set_tid_address sys_set_tid_address
+259 common timer_create sys_timer_create
+260 common timer_settime sys_timer_settime32
+261 common timer_gettime sys_timer_gettime32
+262 common timer_getoverrun sys_timer_getoverrun
+263 common timer_delete sys_timer_delete
+264 common clock_settime sys_clock_settime32
+265 common clock_gettime sys_clock_gettime32
+266 common clock_getres sys_clock_getres_time32
+267 common clock_nanosleep sys_clock_nanosleep_time32
+268 common statfs64 sys_statfs64
+269 common fstatfs64 sys_fstatfs64
+270 common tgkill sys_tgkill
+271 common utimes sys_utimes_time32
+272 common fadvise64_64 sys_fadvise64_64
+273 common vserver sys_ni_syscall
+274 common mbind sys_mbind
+275 common get_mempolicy sys_get_mempolicy
+276 common set_mempolicy sys_set_mempolicy
+277 common mq_open sys_mq_open
+278 common mq_unlink sys_mq_unlink
+279 common mq_timedsend sys_mq_timedsend_time32
+280 common mq_timedreceive sys_mq_timedreceive_time32
+281 common mq_notify sys_mq_notify
+282 common mq_getsetattr sys_mq_getsetattr
+283 common kexec_load sys_kexec_load
+284 common waitid sys_waitid
+# 285 was setaltroot
+286 common add_key sys_add_key
+287 common request_key sys_request_key
+288 common keyctl sys_keyctl
+289 common ioprio_set sys_ioprio_set
+290 common ioprio_get sys_ioprio_get
+291 common inotify_init sys_inotify_init
+292 common inotify_add_watch sys_inotify_add_watch
+293 common inotify_rm_watch sys_inotify_rm_watch
+294 common migrate_pages sys_ni_syscall
+295 common openat sys_openat
+296 common mkdirat sys_mkdirat
+297 common mknodat sys_mknodat
+298 common fchownat sys_fchownat
+299 common futimesat sys_futimesat_time32
+300 common fstatat64 sys_fstatat64
+301 common unlinkat sys_unlinkat
+302 common renameat sys_renameat
+303 common linkat sys_linkat
+304 common symlinkat sys_symlinkat
+305 common readlinkat sys_readlinkat
+306 common fchmodat sys_fchmodat
+307 common faccessat sys_faccessat
+308 common pselect6 sys_pselect6_time32
+309 common ppoll sys_ppoll_time32
+310 common unshare sys_unshare
+311 common set_robust_list sys_set_robust_list
+312 common get_robust_list sys_get_robust_list
+313 common splice sys_splice
+314 common sync_file_range sys_sync_file_range
+315 common tee sys_tee
+316 common vmsplice sys_vmsplice
+317 common move_pages sys_move_pages
+318 common getcpu sys_getcpu
+319 common epoll_pwait sys_epoll_pwait
+320 common utimensat sys_utimensat_time32
+321 common signalfd sys_signalfd
+322 common timerfd_create sys_timerfd_create
+323 common eventfd sys_eventfd
+324 common fallocate sys_fallocate
+325 common semtimedop sys_semtimedop_time32
+326 common timerfd_settime sys_timerfd_settime32
+327 common timerfd_gettime sys_timerfd_gettime32
+328 common semctl sys_old_semctl
+329 common semget sys_semget
+330 common semop sys_semop
+331 common msgctl sys_old_msgctl
+332 common msgget sys_msgget
+333 common msgrcv sys_msgrcv
+334 common msgsnd sys_msgsnd
+335 common shmat sys_shmat
+336 common shmctl sys_old_shmctl
+337 common shmdt sys_shmdt
+338 common shmget sys_shmget
+339 common signalfd4 sys_signalfd4
+340 common eventfd2 sys_eventfd2
+341 common epoll_create1 sys_epoll_create1
+342 common dup3 sys_dup3
+343 common pipe2 sys_pipe2
+344 common inotify_init1 sys_inotify_init1
+345 common socket sys_socket
+346 common socketpair sys_socketpair
+347 common bind sys_bind
+348 common listen sys_listen
+349 common accept sys_accept
+350 common connect sys_connect
+351 common getsockname sys_getsockname
+352 common getpeername sys_getpeername
+353 common sendto sys_sendto
+354 common send sys_send
+355 common recvfrom sys_recvfrom
+356 common recv sys_recv
+357 common setsockopt sys_setsockopt
+358 common getsockopt sys_getsockopt
+359 common shutdown sys_shutdown
+360 common sendmsg sys_sendmsg
+361 common recvmsg sys_recvmsg
+362 common accept4 sys_accept4
+363 common preadv sys_preadv
+364 common pwritev sys_pwritev
+365 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
+366 common perf_event_open sys_perf_event_open
+367 common recvmmsg sys_recvmmsg_time32
+368 common fanotify_init sys_fanotify_init
+369 common fanotify_mark sys_fanotify_mark
+370 common prlimit64 sys_prlimit64
+371 common name_to_handle_at sys_name_to_handle_at
+372 common open_by_handle_at sys_open_by_handle_at
+373 common clock_adjtime sys_clock_adjtime32
+374 common syncfs sys_syncfs
+375 common setns sys_setns
+376 common sendmmsg sys_sendmmsg
+377 common process_vm_readv sys_process_vm_readv
+378 common process_vm_writev sys_process_vm_writev
+379 common kcmp sys_kcmp
+380 common finit_module sys_finit_module
+381 common sched_setattr sys_sched_setattr
+382 common sched_getattr sys_sched_getattr
+383 common renameat2 sys_renameat2
+384 common seccomp sys_seccomp
+385 common getrandom sys_getrandom
+386 common memfd_create sys_memfd_create
+387 common bpf sys_bpf
+388 common execveat sys_execveat
+389 common userfaultfd sys_userfaultfd
+390 common membarrier sys_membarrier
+391 common mlock2 sys_mlock2
+392 common copy_file_range sys_copy_file_range
+393 common preadv2 sys_preadv2
+394 common pwritev2 sys_pwritev2
+395 common pkey_mprotect sys_pkey_mprotect
+396 common pkey_alloc sys_pkey_alloc
+397 common pkey_free sys_pkey_free
+398 common statx sys_statx
+399 common io_pgetevents sys_io_pgetevents_time32
+400 common rseq sys_rseq
+# 401 and 402 are unused
+403 common clock_gettime64 sys_clock_gettime
+404 common clock_settime64 sys_clock_settime
+405 common clock_adjtime64 sys_clock_adjtime
+406 common clock_getres_time64 sys_clock_getres
+407 common clock_nanosleep_time64 sys_clock_nanosleep
+408 common timer_gettime64 sys_timer_gettime
+409 common timer_settime64 sys_timer_settime
+410 common timerfd_gettime64 sys_timerfd_gettime
+411 common timerfd_settime64 sys_timerfd_settime
+412 common utimensat_time64 sys_utimensat
+413 common pselect6_time64 sys_pselect6
+414 common ppoll_time64 sys_ppoll
+416 common io_pgetevents_time64 sys_io_pgetevents
+417 common recvmmsg_time64 sys_recvmmsg
+418 common mq_timedsend_time64 sys_mq_timedsend
+419 common mq_timedreceive_time64 sys_mq_timedreceive
+420 common semtimedop_time64 sys_semtimedop
+421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait
+422 common futex_time64 sys_futex
+423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval
+424 common pidfd_send_signal sys_pidfd_send_signal
+425 common io_uring_setup sys_io_uring_setup
+426 common io_uring_enter sys_io_uring_enter
+427 common io_uring_register sys_io_uring_register
+428 common open_tree sys_open_tree
+429 common move_mount sys_move_mount
+430 common fsopen sys_fsopen
+431 common fsconfig sys_fsconfig
+432 common fsmount sys_fsmount
+433 common fspick sys_fspick
+434 common pidfd_open sys_pidfd_open
+435 common clone3 sys_clone3
diff --git a/arch/microblaze/kernel/syscalls/syscallhdr.sh b/arch/microblaze/kernel/syscalls/syscallhdr.sh
new file mode 100644
index 0000000..2e9062a
--- /dev/null
+++ b/arch/microblaze/kernel/syscalls/syscallhdr.sh
@@ -0,0 +1,36 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+prefix="$4"
+offset="$5"
+
+fileguard=_UAPI_ASM_MICROBLAZE_`basename "$out" | sed \
+ -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
+ -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'`
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
+ printf "#ifndef %s\n" "${fileguard}"
+ printf "#define %s\n" "${fileguard}"
+ printf "\n"
+
+ nxt=0
+ while read nr abi name entry ; do
+ if [ -z "$offset" ]; then
+ printf "#define __NR_%s%s\t%s\n" \
+ "${prefix}" "${name}" "${nr}"
+ else
+ printf "#define __NR_%s%s\t(%s + %s)\n" \
+ "${prefix}" "${name}" "${offset}" "${nr}"
+ fi
+ nxt=$((nr+1))
+ done
+
+ printf "\n"
+ printf "#ifdef __KERNEL__\n"
+ printf "#define __NR_syscalls\t%s\n" "${nxt}"
+ printf "#endif\n"
+ printf "\n"
+ printf "#endif /* %s */" "${fileguard}"
+) > "$out"
diff --git a/arch/microblaze/kernel/syscalls/syscalltbl.sh b/arch/microblaze/kernel/syscalls/syscalltbl.sh
new file mode 100644
index 0000000..85d78d9
--- /dev/null
+++ b/arch/microblaze/kernel/syscalls/syscalltbl.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+in="$1"
+out="$2"
+my_abis=`echo "($3)" | tr ',' '|'`
+my_abi="$4"
+offset="$5"
+
+emit() {
+ t_nxt="$1"
+ t_nr="$2"
+ t_entry="$3"
+
+ while [ $t_nxt -lt $t_nr ]; do
+ printf "__SYSCALL(%s, sys_ni_syscall, )\n" "${t_nxt}"
+ t_nxt=$((t_nxt+1))
+ done
+ printf "__SYSCALL(%s, %s, )\n" "${t_nxt}" "${t_entry}"
+}
+
+grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | (
+ nxt=0
+ if [ -z "$offset" ]; then
+ offset=0
+ fi
+
+ while read nr abi name entry ; do
+ emit $((nxt+offset)) $((nr+offset)) $entry
+ nxt=$((nr+1))
+ done
+) > "$out"
diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S
index 289d0e7..e1f3e87 100644
--- a/arch/microblaze/kernel/vmlinux.lds.S
+++ b/arch/microblaze/kernel/vmlinux.lds.S
@@ -117,8 +117,6 @@
CON_INITCALL
}
- SECURITY_INIT
-
__init_end_before_initramfs = .;
.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
diff --git a/arch/microblaze/mm/Makefile b/arch/microblaze/mm/Makefile
index 7313bd8..1b16875 100644
--- a/arch/microblaze/mm/Makefile
+++ b/arch/microblaze/mm/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile
#
diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c
index c9a278a..8c5f0c3 100644
--- a/arch/microblaze/mm/consistent.c
+++ b/arch/microblaze/mm/consistent.c
@@ -1,222 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Microblaze support for cache consistent memory.
* Copyright (C) 2010 Michal Simek <monstr@monstr.eu>
* Copyright (C) 2010 PetaLogix
* Copyright (C) 2005 John Williams <jwilliams@itee.uq.edu.au>
- *
- * Based on PowerPC version derived from arch/arm/mm/consistent.c
- * Copyright (C) 2001 Dan Malek (dmalek@jlc.net)
- * Copyright (C) 2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
-#include <linux/export.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
#include <linux/kernel.h>
-#include <linux/errno.h>
#include <linux/string.h>
#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/mman.h>
#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/stddef.h>
-#include <linux/vmalloc.h>
#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/bootmem.h>
-#include <linux/highmem.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/gfp.h>
#include <linux/dma-noncoherent.h>
-
-#include <asm/pgalloc.h>
-#include <linux/io.h>
-#include <linux/hardirq.h>
-#include <linux/mmu_context.h>
-#include <asm/mmu.h>
-#include <linux/uaccess.h>
-#include <asm/pgtable.h>
#include <asm/cpuinfo.h>
-#include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
-#ifndef CONFIG_MMU
-/* I have to use dcache values because I can't relate on ram size */
-# define UNCACHED_SHADOW_MASK (cpuinfo.dcache_high - cpuinfo.dcache_base + 1)
-#endif
-
-/*
- * Consistent memory allocators. Used for DMA devices that want to
- * share uncached memory with the processor core.
- * My crufty no-MMU approach is simple. In the HW platform we can optionally
- * mirror the DDR up above the processor cacheable region. So, memory accessed
- * in this mirror region will not be cached. It's alloced from the same
- * pool as normal memory, but the handle we return is shifted up into the
- * uncached region. This will no doubt cause big problems if memory allocated
- * here is not also freed properly. -- JW
- */
-void *arch_dma_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
- gfp_t gfp, unsigned long attrs)
+void arch_dma_prep_coherent(struct page *page, size_t size)
{
- unsigned long order, vaddr;
- void *ret;
- unsigned int i, err = 0;
- struct page *page, *end;
+ phys_addr_t paddr = page_to_phys(page);
-#ifdef CONFIG_MMU
- phys_addr_t pa;
- struct vm_struct *area;
- unsigned long va;
-#endif
-
- if (in_interrupt())
- BUG();
-
- /* Only allocate page size areas. */
- size = PAGE_ALIGN(size);
- order = get_order(size);
-
- vaddr = __get_free_pages(gfp, order);
- if (!vaddr)
- return NULL;
-
- /*
- * we need to ensure that there are no cachelines in use,
- * or worse dirty in this area.
- */
- flush_dcache_range(virt_to_phys((void *)vaddr),
- virt_to_phys((void *)vaddr) + size);
+ flush_dcache_range(paddr, paddr + size);
+}
#ifndef CONFIG_MMU
- ret = (void *)vaddr;
- /*
- * Here's the magic! Note if the uncached shadow is not implemented,
- * it's up to the calling code to also test that condition and make
- * other arranegments, such as manually flushing the cache and so on.
- */
-# ifdef CONFIG_XILINX_UNCACHED_SHADOW
- ret = (void *)((unsigned) ret | UNCACHED_SHADOW_MASK);
-# endif
- if ((unsigned int)ret > cpuinfo.dcache_base &&
- (unsigned int)ret < cpuinfo.dcache_high)
+/*
+ * Consistent memory allocators. Used for DMA devices that want to share
+ * uncached memory with the processor core. My crufty no-MMU approach is
+ * simple. In the HW platform we can optionally mirror the DDR up above the
+ * processor cacheable region. So, memory accessed in this mirror region will
+ * not be cached. It's alloced from the same pool as normal memory, but the
+ * handle we return is shifted up into the uncached region. This will no doubt
+ * cause big problems if memory allocated here is not also freed properly. -- JW
+ *
+ * I have to use dcache values because I can't relate on ram size:
+ */
+#ifdef CONFIG_XILINX_UNCACHED_SHADOW
+#define UNCACHED_SHADOW_MASK (cpuinfo.dcache_high - cpuinfo.dcache_base + 1)
+#else
+#define UNCACHED_SHADOW_MASK 0
+#endif /* CONFIG_XILINX_UNCACHED_SHADOW */
+
+void *uncached_kernel_address(void *ptr)
+{
+ unsigned long addr = (unsigned long)ptr;
+
+ addr |= UNCACHED_SHADOW_MASK;
+ if (addr > cpuinfo.dcache_base && addr < cpuinfo.dcache_high)
pr_warn("ERROR: Your cache coherent area is CACHED!!!\n");
-
- /* dma_handle is same as physical (shadowed) address */
- *dma_handle = (dma_addr_t)ret;
-#else
- /* Allocate some common virtual space to map the new pages. */
- area = get_vm_area(size, VM_ALLOC);
- if (!area) {
- free_pages(vaddr, order);
- return NULL;
- }
- va = (unsigned long) area->addr;
- ret = (void *)va;
-
- /* This gives us the real physical address of the first page. */
- *dma_handle = pa = __virt_to_phys(vaddr);
-#endif
-
- /*
- * free wasted pages. We skip the first page since we know
- * that it will have count = 1 and won't require freeing.
- * We also mark the pages in use as reserved so that
- * remap_page_range works.
- */
- page = virt_to_page(vaddr);
- end = page + (1 << order);
-
- split_page(page, order);
-
- for (i = 0; i < size && err == 0; i += PAGE_SIZE) {
-#ifdef CONFIG_MMU
- /* MS: This is the whole magic - use cache inhibit pages */
- err = map_page(va + i, pa + i, _PAGE_KERNEL | _PAGE_NO_CACHE);
-#endif
-
- SetPageReserved(page);
- page++;
- }
-
- /* Free the otherwise unused pages. */
- while (page < end) {
- __free_page(page);
- page++;
- }
-
- if (err) {
- free_pages(vaddr, order);
- return NULL;
- }
-
- return ret;
+ return (void *)addr;
}
-#ifdef CONFIG_MMU
-static pte_t *consistent_virt_to_pte(void *vaddr)
+void *cached_kernel_address(void *ptr)
{
- unsigned long addr = (unsigned long)vaddr;
+ unsigned long addr = (unsigned long)ptr;
- return pte_offset_kernel(pmd_offset(pgd_offset_k(addr), addr), addr);
+ return (void *)(addr & ~UNCACHED_SHADOW_MASK);
}
-
-unsigned long consistent_virt_to_pfn(void *vaddr)
-{
- pte_t *ptep = consistent_virt_to_pte(vaddr);
-
- if (pte_none(*ptep) || !pte_present(*ptep))
- return 0;
-
- return pte_pfn(*ptep);
-}
-#endif
-
-/*
- * free page(s) as defined by the above mapping.
- */
-void arch_dma_free(struct device *dev, size_t size, void *vaddr,
- dma_addr_t dma_addr, unsigned long attrs)
-{
- struct page *page;
-
- if (in_interrupt())
- BUG();
-
- size = PAGE_ALIGN(size);
-
-#ifndef CONFIG_MMU
- /* Clear SHADOW_MASK bit in address, and free as per usual */
-# ifdef CONFIG_XILINX_UNCACHED_SHADOW
- vaddr = (void *)((unsigned)vaddr & ~UNCACHED_SHADOW_MASK);
-# endif
- page = virt_to_page(vaddr);
-
- do {
- __free_reserved_page(page);
- page++;
- } while (size -= PAGE_SIZE);
-#else
- do {
- pte_t *ptep = consistent_virt_to_pte(vaddr);
- unsigned long pfn;
-
- if (!pte_none(*ptep) && pte_present(*ptep)) {
- pfn = pte_pfn(*ptep);
- pte_clear(&init_mm, (unsigned int)vaddr, ptep);
- if (pfn_valid(pfn)) {
- page = pfn_to_page(pfn);
- __free_reserved_page(page);
- }
- }
- vaddr += PAGE_SIZE;
- } while (size -= PAGE_SIZE);
-
- /* flush tlb */
- flush_tlb_all();
-#endif
-}
+#endif /* CONFIG_MMU */
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
index 202ad6a..e6a810b 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -289,7 +289,7 @@
do_sigbus:
up_read(&mm->mmap_sem);
if (user_mode(regs)) {
- force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address, current);
+ force_sig_fault(SIGBUS, BUS_ADRERR, (void __user *)address);
return;
}
bad_page_fault(regs, address, SIGBUS);
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index df6de7c..a015a95 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -7,10 +7,9 @@
* for more details.
*/
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/memblock.h>
#include <linux/mm.h> /* mem_init */
#include <linux/initrd.h>
#include <linux/pagemap.h>
@@ -187,24 +186,12 @@
paging_init();
}
-#ifdef CONFIG_BLK_DEV_INITRD
-void free_initrd_mem(unsigned long start, unsigned long end)
-{
- free_reserved_area((void *)start, (void *)end, -1, "initrd");
-}
-#endif
-
-void free_initmem(void)
-{
- free_initmem_default(-1);
-}
-
void __init mem_init(void)
{
high_memory = (void *)__va(memory_start + lowmem_size - 1);
/* this will put all memory onto the freelists */
- free_all_bootmem();
+ memblock_free_all();
#ifdef CONFIG_HIGHMEM
highmem_setup();
#endif
@@ -364,8 +351,9 @@
* Mem start + kernel_tlb -> here is limit
* because of mem mapping from head.S
*/
- return __va(memblock_alloc_base(PAGE_SIZE, PAGE_SIZE,
- memory_start + kernel_tlb));
+ return memblock_alloc_try_nid_raw(PAGE_SIZE, PAGE_SIZE,
+ MEMBLOCK_LOW_LIMIT, memory_start + kernel_tlb,
+ NUMA_NO_NODE);
}
#endif /* CONFIG_MMU */
@@ -374,12 +362,14 @@
{
void *p;
- if (mem_init_done)
+ if (mem_init_done) {
p = kzalloc(size, mask);
- else {
- p = alloc_bootmem(size);
- if (p)
- memset(p, 0, size);
+ } else {
+ p = memblock_alloc(size, SMP_CACHE_BYTES);
+ if (!p)
+ panic("%s: Failed to allocate %zu bytes\n",
+ __func__, size);
}
+
return p;
}
diff --git a/arch/microblaze/mm/mmu_context.c b/arch/microblaze/mm/mmu_context.c
index 26ff82f..cbc2348 100644
--- a/arch/microblaze/mm/mmu_context.c
+++ b/arch/microblaze/mm/mmu_context.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* This file contains the routines for handling the MMU.
*
@@ -16,12 +17,6 @@
*
* Derived from "arch/i386/mm/init.c"
* Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
*/
#include <linux/mm.h>
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index 7f52596..010bb9c 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -44,10 +44,6 @@
unsigned long ioremap_bot;
EXPORT_SYMBOL(ioremap_bot);
-#ifndef CONFIG_SMP
-struct pgtable_cache_struct quicklists;
-#endif
-
static void __iomem *__ioremap(phys_addr_t addr, unsigned long size,
unsigned long flags)
{
@@ -75,7 +71,7 @@
p >= memory_start && p < virt_to_phys(high_memory) &&
!(p >= __virt_to_phys((phys_addr_t)__bss_stop) &&
p < __virt_to_phys((phys_addr_t)__bss_stop))) {
- pr_warn("__ioremap(): phys addr "PTE_FMT" is RAM lr %pf\n",
+ pr_warn("__ioremap(): phys addr "PTE_FMT" is RAM lr %ps\n",
(unsigned long)p, __builtin_return_address(0));
return NULL;
}
@@ -235,8 +231,7 @@
return pa;
}
-__ref pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
- unsigned long address)
+__ref pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
{
pte_t *pte;
if (mem_init_done) {
diff --git a/arch/microblaze/pci/Makefile b/arch/microblaze/pci/Makefile
index d1114fb..0251c20 100644
--- a/arch/microblaze/pci/Makefile
+++ b/arch/microblaze/pci/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile
#
diff --git a/arch/microblaze/pci/indirect_pci.c b/arch/microblaze/pci/indirect_pci.c
index 2403083..1caf7d3 100644
--- a/arch/microblaze/pci/indirect_pci.c
+++ b/arch/microblaze/pci/indirect_pci.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Support for indirect PCI bridges.
*
* Copyright (C) 1998 Gabriel Paubert.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 2ffd171..58cc496 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Contains common pci routines for ALL ppc platform
* (based on pci_32.c and pci_64.c)
@@ -9,18 +10,13 @@
* Rework, based on alpha PCI code.
*
* Common pmac/prep/chrp pci routines. -- Cort
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/string.h>
#include <linux/init.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/mm.h>
#include <linux/shmem_fs.h>
#include <linux/list.h>