Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (24 commits)
microblaze: Disable heartbeat/enable emaclite in defconfigs
microblaze: Support simpleImage.dts make target
microblaze: Fix _start symbol to physical address
microblaze: Use LOAD_OFFSET macro to get correct LMA for all sections
microblaze: Create the LOAD_OFFSET macro used to compute VMA vs LMA offsets
microblaze: Copy ppc asm-compat.h for clean handling of constants in asm and C
microblaze: Actually show KiB rather than pages in "Freeing initrd memory:"
microblaze: Support ptrace syscall tracing.
microblaze: Updated CPU version and FPGA family codes in PVR
microblaze: Generate correct signal and siginfo for integer div-by-zero
microblaze: Don't be noisy when userspace causes hardware exceptions
microblaze: Remove ipc.h file which points to non-existing asm-generic file
microblaze: Clear sticky FSR register after generating exception signals
microblaze: Ensure CPU usermode is set on new userspace processes
microblaze: Use correct kbuild variable KBUILD_CFLAGS
microblaze: Save and restore msr in hw exception
microblaze: Add architectural support for USB EHCI host controllers
microblaze: Implement include/asm/syscall.h.
microblaze: Improve checking mechanism for MSR instruction
microblaze: Add checking mechanism for MSR instruction
...
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 2db722d..bbd8327 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -6,6 +6,7 @@
config MICROBLAZE
def_bool y
select HAVE_LMB
+ select USB_ARCH_HAS_EHCI
select ARCH_WANT_OPTIONAL_GPIOLIB
config SWAP
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 8439598..3418735 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -37,12 +37,12 @@
CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))
# r31 holds current when in kernel mode
-KBUILD_KERNEL += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2)
+KBUILD_CFLAGS += -ffixed-r31 $(CPUFLAGS-1) $(CPUFLAGS-2)
LDFLAGS :=
LDFLAGS_vmlinux :=
-LIBGCC := $(shell $(CC) $(KBUILD_KERNEL) -print-libgcc-file-name)
+LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
head-y := arch/microblaze/kernel/head.o
libs-y += arch/microblaze/lib/
@@ -53,22 +53,41 @@
boot := arch/microblaze/boot
+# Are we making a simpleImage.<boardname> target? If so, crack out the boardname
+DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS)))
+
+ifneq ($(DTB),)
+ core-y += $(boot)/
+endif
+
# defines filename extension depending memory management type
ifeq ($(CONFIG_MMU),)
MMU := -nommu
endif
-export MMU
+export MMU DTB
all: linux.bin
+BOOT_TARGETS = linux.bin linux.bin.gz simpleImage.%
+
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
-linux.bin linux.bin.gz: vmlinux
+$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
define archhelp
- echo '* linux.bin - Create raw binary'
- echo ' linux.bin.gz - Create compressed raw binary'
+ echo '* linux.bin - Create raw binary'
+ echo ' linux.bin.gz - Create compressed 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 ' 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'
+ echo ' name of a dts file from the arch/microblaze/boot/dts/ directory'
+ echo ' (minus the .dts extension).'
endef
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index c2bb043..21f1332 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -2,10 +2,24 @@
# arch/microblaze/boot/Makefile
#
-targets := linux.bin linux.bin.gz
+obj-y += linked_dtb.o
+
+targets := linux.bin linux.bin.gz simpleImage.%
OBJCOPYFLAGS_linux.bin := -O binary
+# Where the DTS files live
+dtstree := $(srctree)/$(src)/dts
+
+# Ensure system.dtb exists
+$(obj)/linked_dtb.o: $(obj)/system.dtb
+
+# Generate system.dtb from $(DTB).dtb
+ifneq ($(DTB),system)
+$(obj)/system.dtb: $(obj)/$(DTB).dtb
+ $(call if_changed,cp)
+endif
+
$(obj)/linux.bin: vmlinux FORCE
[ -n $(CONFIG_INITRAMFS_SOURCE) ] && [ ! -e $(CONFIG_INITRAMFS_SOURCE) ] && \
touch $(CONFIG_INITRAMFS_SOURCE) || echo "No CPIO image"
@@ -16,4 +30,27 @@
$(call if_changed,gzip)
@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
-clean-kernel += linux.bin linux.bin.gz
+quiet_cmd_cp = CP $< $@$2
+ cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
+
+quiet_cmd_strip = STRIP $@
+ cmd_strip = $(STRIP) -K _start -K _end -K __log_buf -K _fdt_start vmlinux -o $@
+
+$(obj)/simpleImage.%: vmlinux FORCE
+ $(call if_changed,cp,.unstrip)
+ $(call if_changed,strip)
+ @echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
+
+# Rule to build device tree blobs
+DTC = $(objtree)/scripts/dtc/dtc
+
+# Rule to build device tree blobs
+quiet_cmd_dtc = DTC $@
+ cmd_dtc = $(DTC) -O dtb -o $(obj)/$*.dtb -b 0 -p 1024 $(dtstree)/$*.dts
+
+$(obj)/%.dtb: $(dtstree)/%.dts FORCE
+ $(call if_changed,dtc)
+
+clean-kernel += linux.bin linux.bin.gz simpleImage.*
+
+clean-files += *.dtb
diff --git a/arch/microblaze/boot/dts/system.dts b/arch/microblaze/boot/dts/system.dts
new file mode 120000
index 0000000..7cb6578
--- /dev/null
+++ b/arch/microblaze/boot/dts/system.dts
@@ -0,0 +1 @@
+../../platform/generic/system.dts
\ No newline at end of file
diff --git a/arch/microblaze/boot/linked_dtb.S b/arch/microblaze/boot/linked_dtb.S
new file mode 100644
index 0000000..cb2b537
--- /dev/null
+++ b/arch/microblaze/boot/linked_dtb.S
@@ -0,0 +1,3 @@
+.section __fdt_blob,"a"
+.incbin "arch/microblaze/boot/system.dtb"
+
diff --git a/arch/microblaze/configs/mmu_defconfig b/arch/microblaze/configs/mmu_defconfig
index 09c3296..bb7c374 100644
--- a/arch/microblaze/configs/mmu_defconfig
+++ b/arch/microblaze/configs/mmu_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31-rc6
-# Tue Aug 18 11:00:02 2009
+# Linux kernel version: 2.6.31
+# Thu Sep 24 10:28:50 2009
#
CONFIG_MICROBLAZE=y
# CONFIG_SWAP is not set
@@ -42,11 +42,12 @@
#
# RCU Subsystem
#
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
# CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=17
@@ -260,6 +261,7 @@
# CONFIG_NETFILTER is not set
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
@@ -357,12 +359,10 @@
# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
# CONFIG_KS8842 is not set
+CONFIG_XILINX_EMACLITE=y
CONFIG_NETDEV_1000=y
CONFIG_NETDEV_10000=y
-
-#
-# Wireless LAN
-#
+CONFIG_WLAN=y
# CONFIG_WLAN_PRE80211 is not set
# CONFIG_WLAN_80211 is not set
@@ -460,6 +460,7 @@
# CONFIG_DISPLAY_SUPPORT is not set
# CONFIG_SOUND is not set
# CONFIG_USB_SUPPORT is not set
+CONFIG_USB_ARCH_HAS_EHCI=y
# CONFIG_MMC is not set
# CONFIG_MEMSTICK is not set
# CONFIG_NEW_LEDS is not set
@@ -488,6 +489,7 @@
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
CONFIG_FILE_LOCKING=y
CONFIG_FSNOTIFY=y
# CONFIG_DNOTIFY is not set
@@ -546,7 +548,6 @@
# CONFIG_ROMFS_FS is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
-# CONFIG_NILFS2_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
@@ -671,18 +672,20 @@
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_SYSCTL_SYSCALL_CHECK is not set
# CONFIG_PAGE_POISONING is not set
# CONFIG_SAMPLES is not set
# CONFIG_KMEMCHECK is not set
CONFIG_EARLY_PRINTK=y
-CONFIG_HEART_BEAT=y
+# CONFIG_HEART_BEAT is not set
CONFIG_DEBUG_BOOTMEM=y
#
@@ -697,7 +700,6 @@
#
# Crypto core or helper
#
-# CONFIG_CRYPTO_FIPS is not set
# CONFIG_CRYPTO_MANAGER is not set
# CONFIG_CRYPTO_MANAGER2 is not set
# CONFIG_CRYPTO_GF128MUL is not set
@@ -729,11 +731,13 @@
#
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
#
# Digest
#
# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
# CONFIG_CRYPTO_MICHAEL_MIC is not set
diff --git a/arch/microblaze/configs/nommu_defconfig b/arch/microblaze/configs/nommu_defconfig
index 8b63861..adb839b 100644
--- a/arch/microblaze/configs/nommu_defconfig
+++ b/arch/microblaze/configs/nommu_defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31-rc6
-# Tue Aug 18 10:35:30 2009
+# Linux kernel version: 2.6.31
+# Thu Sep 24 10:29:43 2009
#
CONFIG_MICROBLAZE=y
# CONFIG_SWAP is not set
@@ -44,11 +44,12 @@
#
# RCU Subsystem
#
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
# CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=17
@@ -243,6 +244,7 @@
# CONFIG_NETFILTER is not set
# CONFIG_IP_DCCP is not set
# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
@@ -272,6 +274,7 @@
# CONFIG_AF_RXRPC is not set
CONFIG_WIRELESS=y
# CONFIG_CFG80211 is not set
+CONFIG_CFG80211_DEFAULT_PS_VALUE=0
CONFIG_WIRELESS_OLD_REGULATORY=y
# CONFIG_WIRELESS_EXT is not set
# CONFIG_LIB80211 is not set
@@ -279,7 +282,6 @@
#
# CFG80211 needs to be enabled for MAC80211
#
-CONFIG_MAC80211_DEFAULT_PS_VALUE=0
# CONFIG_WIMAX is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
@@ -304,6 +306,7 @@
# CONFIG_MTD_TESTS is not set
# CONFIG_MTD_REDBOOT_PARTS is not set
CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_OF_PARTS is not set
# CONFIG_MTD_AR7_PARTS is not set
#
@@ -349,6 +352,7 @@
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_PHYSMAP_OF is not set
CONFIG_MTD_UCLINUX=y
# CONFIG_MTD_PLATRAM is not set
@@ -429,12 +433,10 @@
# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
# CONFIG_KS8842 is not set
+# CONFIG_XILINX_EMACLITE is not set
CONFIG_NETDEV_1000=y
CONFIG_NETDEV_10000=y
-
-#
-# Wireless LAN
-#
+CONFIG_WLAN=y
# CONFIG_WLAN_PRE80211 is not set
# CONFIG_WLAN_80211 is not set
@@ -535,7 +537,7 @@
CONFIG_USB_SUPPORT=y
CONFIG_USB_ARCH_HAS_HCD=y
# CONFIG_USB_ARCH_HAS_OHCI is not set
-# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB_ARCH_HAS_EHCI=y
# CONFIG_USB is not set
# CONFIG_USB_OTG_WHITELIST is not set
# CONFIG_USB_OTG_BLACKLIST_HUB is not set
@@ -579,6 +581,7 @@
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
CONFIG_FILE_LOCKING=y
CONFIG_FSNOTIFY=y
# CONFIG_DNOTIFY is not set
@@ -639,7 +642,6 @@
CONFIG_ROMFS_ON_BLOCK=y
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
-# CONFIG_NILFS2_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
@@ -710,18 +712,20 @@
CONFIG_DEBUG_LIST=y
CONFIG_DEBUG_SG=y
# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
# CONFIG_BOOT_PRINTK_DELAY is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# CONFIG_FAULT_INJECTION is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
# CONFIG_PAGE_POISONING is not set
# CONFIG_DYNAMIC_DEBUG is not set
# CONFIG_SAMPLES is not set
CONFIG_EARLY_PRINTK=y
-CONFIG_HEART_BEAT=y
+# CONFIG_HEART_BEAT is not set
# CONFIG_DEBUG_BOOTMEM is not set
#
@@ -736,7 +740,6 @@
#
# Crypto core or helper
#
-# CONFIG_CRYPTO_FIPS is not set
# CONFIG_CRYPTO_MANAGER is not set
# CONFIG_CRYPTO_MANAGER2 is not set
# CONFIG_CRYPTO_GF128MUL is not set
@@ -768,11 +771,13 @@
#
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
#
# Digest
#
# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
# CONFIG_CRYPTO_MICHAEL_MIC is not set
diff --git a/arch/microblaze/include/asm/asm-compat.h b/arch/microblaze/include/asm/asm-compat.h
new file mode 100644
index 0000000..e7bc9dc
--- /dev/null
+++ b/arch/microblaze/include/asm/asm-compat.h
@@ -0,0 +1,17 @@
+#ifndef _ASM_MICROBLAZE_ASM_COMPAT_H
+#define _ASM_MICROBLAZE_ASM_COMPAT_H
+
+#include <asm/types.h>
+
+#ifdef __ASSEMBLY__
+# define stringify_in_c(...) __VA_ARGS__
+# define ASM_CONST(x) x
+#else
+/* This version of stringify will deal with commas... */
+# define __stringify_in_c(...) #__VA_ARGS__
+# define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " "
+# define __ASM_CONST(x) x##UL
+# define ASM_CONST(x) __ASM_CONST(x)
+#endif
+
+#endif /* _ASM_MICROBLAZE_ASM_COMPAT_H */
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 7c3ec13..fc9997b 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -210,6 +210,9 @@
#define in_be32(a) __raw_readl((const void __iomem __force *)(a))
#define in_be16(a) __raw_readw(a)
+#define writel_be(v, a) out_be32((__force unsigned *)a, v)
+#define readl_be(a) in_be32((__force unsigned *)a)
+
/*
* Little endian
*/
diff --git a/arch/microblaze/include/asm/ipc.h b/arch/microblaze/include/asm/ipc.h
deleted file mode 100644
index a46e3d9..0000000
--- a/arch/microblaze/include/asm/ipc.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/ipc.h>
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 72aceae..880c988 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -17,6 +17,7 @@
#include <linux/pfn.h>
#include <asm/setup.h>
+#include <asm/asm-compat.h>
#include <linux/const.h>
#ifdef __KERNEL__
@@ -26,6 +27,8 @@
#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
+#define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_KERNEL_BASE_ADDR))
+
#ifndef __ASSEMBLY__
#define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h
index 27f8daf..ed67c9e 100644
--- a/arch/microblaze/include/asm/setup.h
+++ b/arch/microblaze/include/asm/setup.h
@@ -38,7 +38,7 @@
void time_init(void);
void init_IRQ(void);
void machine_early_init(const char *cmdline, unsigned int ram,
- unsigned int fdt);
+ unsigned int fdt, unsigned int msr);
void machine_restart(char *cmd);
void machine_shutdown(void);
diff --git a/arch/microblaze/include/asm/syscall.h b/arch/microblaze/include/asm/syscall.h
new file mode 100644
index 0000000..048dfcd
--- /dev/null
+++ b/arch/microblaze/include/asm/syscall.h
@@ -0,0 +1,99 @@
+#ifndef __ASM_MICROBLAZE_SYSCALL_H
+#define __ASM_MICROBLAZE_SYSCALL_H
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <asm/ptrace.h>
+
+/* The system call number is given by the user in R12 */
+static inline long syscall_get_nr(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->r12;
+}
+
+static inline void syscall_rollback(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ /* TODO. */
+}
+
+static inline long syscall_get_error(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return IS_ERR_VALUE(regs->r3) ? regs->r3 : 0;
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->r3;
+}
+
+static inline void syscall_set_return_value(struct task_struct *task,
+ struct pt_regs *regs,
+ int error, long val)
+{
+ if (error)
+ regs->r3 = -error;
+ else
+ regs->r3 = val;
+}
+
+static inline microblaze_reg_t microblaze_get_syscall_arg(struct pt_regs *regs,
+ unsigned int n)
+{
+ switch (n) {
+ case 5: return regs->r10;
+ case 4: return regs->r9;
+ case 3: return regs->r8;
+ case 2: return regs->r7;
+ case 1: return regs->r6;
+ case 0: return regs->r5;
+ default:
+ BUG();
+ }
+ return ~0;
+}
+
+static inline void microblaze_set_syscall_arg(struct pt_regs *regs,
+ unsigned int n,
+ unsigned long val)
+{
+ switch (n) {
+ case 5:
+ regs->r10 = val;
+ case 4:
+ regs->r9 = val;
+ case 3:
+ regs->r8 = val;
+ case 2:
+ regs->r7 = val;
+ case 1:
+ regs->r6 = val;
+ case 0:
+ regs->r5 = val;
+ default:
+ BUG();
+ }
+}
+
+static inline void syscall_get_arguments(struct task_struct *task,
+ struct pt_regs *regs,
+ unsigned int i, unsigned int n,
+ unsigned long *args)
+{
+ 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)
+{
+ while (n--)
+ microblaze_set_syscall_arg(regs, i++, *args++);
+}
+
+#endif /* __ASM_MICROBLAZE_SYSCALL_H */
diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c
index c411c67..3539bab 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo.c
@@ -28,6 +28,7 @@
{"7.10.d", 0x0b},
{"7.20.a", 0x0c},
{"7.20.b", 0x0d},
+ {"7.20.c", 0x0e},
/* FIXME There is no keycode defined in MBV for these versions */
{"2.10.a", 0x10},
{"3.00.a", 0x20},
@@ -49,6 +50,8 @@
{"spartan3a", 0xa},
{"spartan3an", 0xb},
{"spartan3adsp", 0xc},
+ {"spartan6", 0xd},
+ {"virtex6", 0xe},
/* FIXME There is no key code defined for spartan2 */
{"spartan2", 0xf0},
{NULL, 0},
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index c7353e7..acc1f05 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -308,38 +308,69 @@
swi r12, r1, PTO+PT_R0;
tovirt(r1,r1)
- la r15, r0, ret_from_trap-8
/* where the trap should return need -8 to adjust for rtsd r15, 8*/
/* Jump to the appropriate function for the system call number in r12
* (r12 is not preserved), or return an error if r12 is not valid. The LP
* register should point to the location where
* the called function should return. [note that MAKE_SYS_CALL uses label 1] */
- /* See if the system call number is valid. */
+
+ # Step into virtual mode.
+ set_vms;
+ addik r11, r0, 3f
+ rtid r11, 0
+ nop
+3:
+ add r11, r0, CURRENT_TASK /* Get current task ptr into r11 */
+ lwi r11, r11, TS_THREAD_INFO /* get thread info */
+ lwi r11, r11, TI_FLAGS /* get flags in thread info */
+ andi r11, r11, _TIF_WORK_SYSCALL_MASK
+ beqi r11, 4f
+
+ addik r3, r0, -ENOSYS
+ swi r3, r1, PTO + PT_R3
+ brlid r15, do_syscall_trace_enter
+ addik r5, r1, PTO + PT_R0
+
+ # do_syscall_trace_enter returns the new syscall nr.
+ addk r12, r0, r3
+ lwi r5, r1, PTO+PT_R5;
+ lwi r6, r1, PTO+PT_R6;
+ lwi r7, r1, PTO+PT_R7;
+ lwi r8, r1, PTO+PT_R8;
+ lwi r9, r1, PTO+PT_R9;
+ lwi r10, r1, PTO+PT_R10;
+4:
+/* Jump to the appropriate function for the system call number in r12
+ * (r12 is not preserved), or return an error if r12 is not valid.
+ * The LP register should point to the location where the called function
+ * should return. [note that MAKE_SYS_CALL uses label 1] */
+ /* See if the system call number is valid */
addi r11, r12, -__NR_syscalls;
- bgei r11,1f;
+ bgei r11,5f;
/* Figure out which function to use for this system call. */
/* Note Microblaze barrel shift is optional, so don't rely on it */
add r12, r12, r12; /* convert num -> ptr */
add r12, r12, r12;
/* Trac syscalls and stored them to r0_ram */
- lwi r3, r12, 0x400 + TOPHYS(r0_ram)
+ lwi r3, r12, 0x400 + r0_ram
addi r3, r3, 1
- swi r3, r12, 0x400 + TOPHYS(r0_ram)
+ swi r3, r12, 0x400 + r0_ram
- lwi r12, r12, TOPHYS(sys_call_table); /* Function ptr */
- /* Make the system call. to r12*/
- set_vms;
- rtid r12, 0;
- nop;
+ # Find and jump into the syscall handler.
+ lwi r12, r12, sys_call_table
+ /* where the trap should return need -8 to adjust for rtsd r15, 8 */
+ la r15, r0, ret_from_trap-8
+ bra r12
+
/* The syscall number is invalid, return an error. */
-1: VM_ON; /* RETURN() expects virtual mode*/
+5:
addi r3, r0, -ENOSYS;
rtsd r15,8; /* looks like a normal subroutine return */
or r0, r0, r0
-/* Entry point used to return from a syscall/trap. */
+/* Entry point used to return from a syscall/trap */
/* We re-enable BIP bit before state restore */
C_ENTRY(ret_from_trap):
set_bip; /* Ints masked for state restore*/
@@ -349,6 +380,23 @@
/* We're returning to user mode, so check for various conditions that
* trigger rescheduling. */
+ # FIXME: Restructure all these flag checks.
+ add r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
+ lwi r11, r11, TS_THREAD_INFO; /* get thread info */
+ lwi r11, r11, TI_FLAGS; /* get flags in thread info */
+ andi r11, r11, _TIF_WORK_SYSCALL_MASK
+ beqi r11, 1f
+
+ swi r3, r1, PTO + PT_R3
+ swi r4, r1, PTO + PT_R4
+ brlid r15, do_syscall_trace_leave
+ addik r5, r1, PTO + PT_R0
+ lwi r3, r1, PTO + PT_R3
+ lwi r4, r1, PTO + PT_R4
+1:
+
+ /* We're returning to user mode, so check for various conditions that
+ * trigger rescheduling. */
/* Get current task ptr into r11 */
add r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
lwi r11, r11, TS_THREAD_INFO; /* get thread info */
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c
index 0cb64a3..d9f70f8 100644
--- a/arch/microblaze/kernel/exceptions.c
+++ b/arch/microblaze/kernel/exceptions.c
@@ -72,7 +72,8 @@
#endif
#if 0
- printk(KERN_WARNING "Exception %02x in %s mode, FSR=%08x PC=%08x ESR=%08x\n",
+ printk(KERN_WARNING "Exception %02x in %s mode, FSR=%08x PC=%08x " \
+ "ESR=%08x\n",
type, user_mode(regs) ? "user" : "kernel", fsr,
(unsigned int) regs->pc, (unsigned int) regs->esr);
#endif
@@ -80,42 +81,50 @@
switch (type & 0x1F) {
case MICROBLAZE_ILL_OPCODE_EXCEPTION:
if (user_mode(regs)) {
- printk(KERN_WARNING "Illegal opcode exception in user mode.\n");
+ pr_debug(KERN_WARNING "Illegal opcode exception " \
+ "in user mode.\n");
_exception(SIGILL, regs, ILL_ILLOPC, addr);
return;
}
- printk(KERN_WARNING "Illegal opcode exception in kernel mode.\n");
+ printk(KERN_WARNING "Illegal opcode exception " \
+ "in kernel mode.\n");
die("opcode exception", regs, SIGBUS);
break;
case MICROBLAZE_IBUS_EXCEPTION:
if (user_mode(regs)) {
- printk(KERN_WARNING "Instruction bus error exception in user mode.\n");
+ pr_debug(KERN_WARNING "Instruction bus error " \
+ "exception in user mode.\n");
_exception(SIGBUS, regs, BUS_ADRERR, addr);
return;
}
- printk(KERN_WARNING "Instruction bus error exception in kernel mode.\n");
+ printk(KERN_WARNING "Instruction bus error exception " \
+ "in kernel mode.\n");
die("bus exception", regs, SIGBUS);
break;
case MICROBLAZE_DBUS_EXCEPTION:
if (user_mode(regs)) {
- printk(KERN_WARNING "Data bus error exception in user mode.\n");
+ pr_debug(KERN_WARNING "Data bus error exception " \
+ "in user mode.\n");
_exception(SIGBUS, regs, BUS_ADRERR, addr);
return;
}
- printk(KERN_WARNING "Data bus error exception in kernel mode.\n");
+ printk(KERN_WARNING "Data bus error exception " \
+ "in kernel mode.\n");
die("bus exception", regs, SIGBUS);
break;
case MICROBLAZE_DIV_ZERO_EXCEPTION:
if (user_mode(regs)) {
- printk(KERN_WARNING "Divide by zero exception in user mode\n");
- _exception(SIGILL, regs, ILL_ILLOPC, addr);
+ pr_debug(KERN_WARNING "Divide by zero exception " \
+ "in user mode\n");
+ _exception(SIGILL, regs, FPE_INTDIV, addr);
return;
}
- printk(KERN_WARNING "Divide by zero exception in kernel mode.\n");
+ printk(KERN_WARNING "Divide by zero exception " \
+ "in kernel mode.\n");
die("Divide by exception", regs, SIGBUS);
break;
case MICROBLAZE_FPU_EXCEPTION:
- printk(KERN_WARNING "FPU exception\n");
+ pr_debug(KERN_WARNING "FPU exception\n");
/* IEEE FP exception */
/* I removed fsr variable and use code var for storing fsr */
if (fsr & FSR_IO)
@@ -133,7 +142,7 @@
#ifdef CONFIG_MMU
case MICROBLAZE_PRIVILEGED_EXCEPTION:
- printk(KERN_WARNING "Privileged exception\n");
+ pr_debug(KERN_WARNING "Privileged exception\n");
/* "brk r0,r0" - used as debug breakpoint */
if (get_user(code, (unsigned long *)regs->pc) == 0
&& code == 0x980c0000) {
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index e41c6ce..697ce30 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -54,6 +54,16 @@
mfs r1, rmsr
andi r1, r1, ~2
mts rmsr, r1
+/*
+ * Here is checking mechanism which check if Microblaze has msr instructions
+ * We load msr and compare it with previous r1 value - if is the same,
+ * msr instructions works if not - cpu don't have them.
+ */
+ /* r8=0 - I have msr instr, 1 - I don't have them */
+ rsubi r0, r0, 1 /* set the carry bit */
+ msrclr r0, 0x4 /* try to clear it */
+ /* read the carry bit, r8 will be '0' if msrclr exists */
+ addik r8, r0, 0
/* r7 may point to an FDT, or there may be one linked in.
if it's in r7, we've got to save it away ASAP.
@@ -209,8 +219,8 @@
* Please see $(ARCH)/mach-$(SUBARCH)/setup.c for
* the function.
*/
- la r8, r0, machine_early_init
- brald r15, r8
+ la r9, r0, machine_early_init
+ brald r15, r9
nop
#ifndef CONFIG_MMU
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S
index 3288c97..6b0288e 100644
--- a/arch/microblaze/kernel/hw_exception_handler.S
+++ b/arch/microblaze/kernel/hw_exception_handler.S
@@ -84,9 +84,10 @@
#define NUM_TO_REG(num) r ## num
#ifdef CONFIG_MMU
-/* FIXME you can't change first load of MSR because there is
- * hardcoded jump bri 4 */
#define RESTORE_STATE \
+ lwi r5, r1, 0; \
+ mts rmsr, r5; \
+ nop; \
lwi r3, r1, PT_R3; \
lwi r4, r1, PT_R4; \
lwi r5, r1, PT_R5; \
@@ -309,6 +310,9 @@
lwi r31, r0, TOPHYS(PER_CPU(CURRENT_SAVE)) /* get saved current */
#endif
+ mfs r5, rmsr;
+ nop
+ swi r5, r1, 0;
mfs r3, resr
nop
mfs r4, rear;
@@ -380,6 +384,8 @@
addk r8, r17, r0; /* Load exception address */
bralid r15, full_exception; /* Branch to the handler */
nop;
+ mts r0, rfsr; /* Clear sticky fsr */
+ nop
/*
* Trigger execution of the signal handler by enabling
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 00b12c6..4201c74 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -235,6 +235,7 @@
regs->pc = pc;
regs->r1 = usp;
regs->pt_mode = 0;
+ regs->msr |= MSR_UMS;
}
#ifdef CONFIG_MMU
diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c
index 53ff39a..4b3ac32 100644
--- a/arch/microblaze/kernel/ptrace.c
+++ b/arch/microblaze/kernel/ptrace.c
@@ -29,6 +29,10 @@
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <linux/signal.h>
+#include <linux/elf.h>
+#include <linux/audit.h>
+#include <linux/seccomp.h>
+#include <linux/tracehook.h>
#include <linux/errno.h>
#include <asm/processor.h>
@@ -174,6 +178,64 @@
return rval;
}
+asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
+{
+ long ret = 0;
+
+ secure_computing(regs->r12);
+
+ if (test_thread_flag(TIF_SYSCALL_TRACE) &&
+ tracehook_report_syscall_entry(regs))
+ /*
+ * Tracing decided this syscall should not happen.
+ * We'll return a bogus call number to get an ENOSYS
+ * error, but leave the original number in regs->regs[0].
+ */
+ ret = -1L;
+
+ if (unlikely(current->audit_context))
+ audit_syscall_entry(EM_XILINX_MICROBLAZE, regs->r12,
+ regs->r5, regs->r6,
+ regs->r7, regs->r8);
+
+ return ret ?: regs->r12;
+}
+
+asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
+{
+ int step;
+
+ if (unlikely(current->audit_context))
+ audit_syscall_exit(AUDITSC_RESULT(regs->r3), regs->r3);
+
+ step = test_thread_flag(TIF_SINGLESTEP);
+ if (step || test_thread_flag(TIF_SYSCALL_TRACE))
+ tracehook_report_syscall_exit(regs, step);
+}
+
+#if 0
+static asmlinkage void syscall_trace(void)
+{
+ if (!test_thread_flag(TIF_SYSCALL_TRACE))
+ return;
+ if (!(current->ptrace & PT_PTRACED))
+ return;
+ /* The 0x80 provides a way for the tracing parent to distinguish
+ between a syscall stop and SIGTRAP delivery */
+ ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
+ ? 0x80 : 0));
+ /*
+ * this isn't the same as continuing with a signal, but it will do
+ * for normal use. strace only continues with a signal if the
+ * stopping signal is not SIGTRAP. -brl
+ */
+ if (current->exit_code) {
+ send_sig(current->exit_code, current, 1);
+ current->exit_code = 0;
+ }
+}
+#endif
+
void ptrace_disable(struct task_struct *child)
{
/* nothing to do */
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index 2a97bf5..8c1e0f4 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -94,7 +94,7 @@
#endif /* CONFIG_MTD_UCLINUX_EBSS */
void __init machine_early_init(const char *cmdline, unsigned int ram,
- unsigned int fdt)
+ unsigned int fdt, unsigned int msr)
{
unsigned long *src, *dst = (unsigned long *)0x0;
@@ -157,6 +157,16 @@
early_printk("New klimit: 0x%08x\n", (unsigned)klimit);
#endif
+#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
+ if (msr)
+ early_printk("!!!Your kernel has setup MSR instruction but "
+ "CPU don't have it %d\n", msr);
+#else
+ if (!msr)
+ early_printk("!!!Your kernel not setup MSR instruction but "
+ "CPU have it %d\n", msr);
+#endif
+
for (src = __ivt_start; src < __ivt_end; src++, dst++)
*dst = *src;
diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S
index ec5fa91..e704188 100644
--- a/arch/microblaze/kernel/vmlinux.lds.S
+++ b/arch/microblaze/kernel/vmlinux.lds.S
@@ -12,13 +12,16 @@
OUTPUT_ARCH(microblaze)
ENTRY(_start)
+#include <asm/page.h>
#include <asm-generic/vmlinux.lds.h>
+#include <asm/thread_info.h>
jiffies = jiffies_64 + 4;
SECTIONS {
. = CONFIG_KERNEL_START;
- .text : {
+ _start = CONFIG_KERNEL_BASE_ADDR;
+ .text : AT(ADDR(.text) - LOAD_OFFSET) {
_text = . ;
_stext = . ;
*(.text .text.*)
@@ -33,24 +36,22 @@
}
. = ALIGN (4) ;
- _fdt_start = . ; /* place for fdt blob */
- . = . + 0x4000;
- _fdt_end = . ;
+ __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {
+ _fdt_start = . ; /* place for fdt blob */
+ *(__fdt_blob) ; /* Any link-placed DTB */
+ . = _fdt_start + 0x4000; /* Pad up to 16kbyte */
+ _fdt_end = . ;
+ }
. = ALIGN(16);
RODATA
- . = ALIGN(16);
- __ex_table : {
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
- }
+ EXCEPTION_TABLE(16)
/*
* sdata2 section can go anywhere, but must be word aligned
* and SDA2_BASE must point to the middle of it
*/
- .sdata2 : {
+ .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
_ssrw = .;
. = ALIGN(4096); /* page aligned when MMU used - origin 0x8 */
*(.sdata2)
@@ -61,12 +62,7 @@
}
_sdata = . ;
- .data ALIGN (4096) : { /* page aligned when MMU used - origin 0x4 */
- DATA_DATA
- CONSTRUCTORS
- }
- . = ALIGN(32);
- .data.cacheline_aligned : { *(.data.cacheline_aligned) }
+ RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
_edata = . ;
/* Reserve some low RAM for r0 based memory references */
@@ -74,18 +70,14 @@
r0_ram = . ;
. = . + 4096; /* a page should be enough */
- /* The initial task */
- . = ALIGN(8192);
- .data.init_task : { *(.data.init_task) }
-
/* Under the microblaze ABI, .sdata and .sbss must be contiguous */
. = ALIGN(8);
- .sdata : {
+ .sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
_ssro = .;
*(.sdata)
}
- .sbss : {
+ .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {
_ssbss = .;
*(.sbss)
_esbss = .;
@@ -96,47 +88,36 @@
__init_begin = .;
- . = ALIGN(4096);
- .init.text : {
- _sinittext = . ;
- INIT_TEXT
- _einittext = .;
- }
+ INIT_TEXT_SECTION(PAGE_SIZE)
- .init.data : {
+ .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
INIT_DATA
}
. = ALIGN(4);
- .init.ivt : {
+ .init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) {
__ivt_start = .;
*(.init.ivt)
__ivt_end = .;
}
- .init.setup : {
- __setup_start = .;
- *(.init.setup)
- __setup_end = .;
+ .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
+ INIT_SETUP(0)
}
- .initcall.init : {
- __initcall_start = .;
- INITCALLS
- __initcall_end = .;
+ .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) {
+ INIT_CALLS
}
- .con_initcall.init : {
- __con_initcall_start = .;
- *(.con_initcall.init)
- __con_initcall_end = .;
+ .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
+ CON_INITCALL
}
SECURITY_INIT
__init_end_before_initramfs = .;
- .init.ramfs ALIGN(4096) : {
+ .init.ramfs ALIGN(4096) : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
__initramfs_start = .;
*(.init.ramfs)
__initramfs_end = .;
@@ -152,7 +133,8 @@
}
__init_end = .;
- .bss ALIGN (4096) : { /* page aligned when MMU used */
+ .bss ALIGN (4096) : AT(ADDR(.bss) - LOAD_OFFSET) {
+ /* page aligned when MMU used */
__bss_start = . ;
*(.bss*)
*(COMMON)
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 1110784..a44892e 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -180,7 +180,8 @@
totalram_pages++;
pages++;
}
- printk(KERN_NOTICE "Freeing initrd memory: %dk freed\n", pages);
+ printk(KERN_NOTICE "Freeing initrd memory: %dk freed\n",
+ (int)(pages * (PAGE_SIZE / 1024)));
}
#endif
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index e4ec365..ecf90f5 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -159,7 +159,7 @@
config MTD_OF_PARTS
tristate "Flash partition map based on OF description"
- depends on PPC_OF && MTD_PARTITIONS
+ depends on (MICROBLAZE || PPC_OF) && MTD_PARTITIONS
help
This provides a partition parsing function which derives
the partition map from the children of the flash node,
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 3a9a960..841e085 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -74,7 +74,7 @@
config MTD_PHYSMAP_OF
tristate "Flash device in physical memory map based on OF description"
- depends on PPC_OF && (MTD_CFI || MTD_JEDECPROBE || MTD_ROM)
+ depends on (MICROBLAZE || PPC_OF) && (MTD_CFI || MTD_JEDECPROBE || MTD_ROM)
help
This provides a 'mapping' driver which allows the NOR Flash and
ROM driver code to communicate with chips which are mapped
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index ebd7237..2407508 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -22,7 +22,6 @@
default y if PCMCIA && !M32R # sl811_cs
default y if ARM # SL-811
default y if SUPERH # r8a66597-hcd
- default y if MICROBLAZE
default PCI
# many non-PCI SOC chips embed OHCI
diff --git a/kernel/gcov/Kconfig b/kernel/gcov/Kconfig
index 654efd0..70a298d 100644
--- a/kernel/gcov/Kconfig
+++ b/kernel/gcov/Kconfig
@@ -34,7 +34,7 @@
config GCOV_PROFILE_ALL
bool "Profile entire Kernel"
depends on GCOV_KERNEL
- depends on S390 || X86 || (PPC && EXPERIMENTAL)
+ depends on S390 || X86 || (PPC && EXPERIMENTAL) || MICROBLAZE
default n
---help---
This options activates profiling for the entire kernel.