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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: remove duplicated include sparc: Add kgdb support. kgdbts: Sparc needs sstep emulation. sparc32: Kill smp_message_pass() and related code. sparc64: Kill PIL_RESERVED, unused. sparc64: Split entry.S up into seperate files.
This commit is contained in:
Linus Torvalds
@@ -68,6 +68,7 @@ config SPARC
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default y
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select HAVE_IDE
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select HAVE_OPROFILE
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select HAVE_ARCH_KGDB if !SMP
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# Identify this as a Sparc32 build
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config SPARC32
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+77
-62
@@ -1,7 +1,7 @@
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#
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# Automatically generated make config: don't edit
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# Linux kernel version: 2.6.25
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# Sun Apr 20 01:49:51 2008
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# Tue Apr 29 01:28:58 2008
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#
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CONFIG_MMU=y
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CONFIG_HIGHMEM=y
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@@ -217,12 +217,7 @@ CONFIG_IPV6_TUNNEL=m
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# CONFIG_NETWORK_SECMARK is not set
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# CONFIG_NETFILTER is not set
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# CONFIG_IP_DCCP is not set
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CONFIG_IP_SCTP=m
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# CONFIG_SCTP_DBG_MSG is not set
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CONFIG_SCTP_DBG_OBJCNT=y
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# CONFIG_SCTP_HMAC_NONE is not set
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# CONFIG_SCTP_HMAC_SHA1 is not set
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CONFIG_SCTP_HMAC_MD5=y
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# CONFIG_IP_SCTP is not set
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# CONFIG_TIPC is not set
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# CONFIG_ATM is not set
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# CONFIG_BRIDGE is not set
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@@ -245,9 +240,7 @@ CONFIG_NET_PKTGEN=m
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# CONFIG_CAN is not set
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# CONFIG_IRDA is not set
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# CONFIG_BT is not set
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CONFIG_AF_RXRPC=m
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# CONFIG_AF_RXRPC_DEBUG is not set
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# CONFIG_RXKAD is not set
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# CONFIG_AF_RXRPC is not set
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#
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# Wireless
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@@ -390,7 +383,7 @@ CONFIG_DUMMY=m
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# CONFIG_BONDING is not set
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# CONFIG_MACVLAN is not set
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# CONFIG_EQUALIZER is not set
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CONFIG_TUN=m
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# CONFIG_TUN is not set
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# CONFIG_VETH is not set
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# CONFIG_ARCNET is not set
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# CONFIG_PHYLIB is not set
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@@ -544,6 +537,7 @@ CONFIG_SERIAL_SUNSU_CONSOLE=y
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# CONFIG_SERIAL_SUNSAB is not set
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CONFIG_SERIAL_CORE=y
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CONFIG_SERIAL_CORE_CONSOLE=y
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CONFIG_CONSOLE_POLL=y
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# CONFIG_SERIAL_JSM is not set
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CONFIG_UNIX98_PTYS=y
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CONFIG_LEGACY_PTYS=y
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@@ -595,6 +589,7 @@ CONFIG_SSB_POSSIBLE=y
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# Multifunction device drivers
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#
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# CONFIG_MFD_SM501 is not set
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# CONFIG_HTC_PASIC3 is not set
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#
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# Multimedia devices
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@@ -645,10 +640,6 @@ CONFIG_USB_ARCH_HAS_EHCI=y
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# CONFIG_NEW_LEDS is not set
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# CONFIG_INFINIBAND is not set
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# CONFIG_RTC_CLASS is not set
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#
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# Userspace I/O
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#
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# CONFIG_UIO is not set
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#
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@@ -680,16 +671,12 @@ CONFIG_FS_MBCACHE=y
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# CONFIG_REISERFS_FS is not set
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# CONFIG_JFS_FS is not set
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CONFIG_FS_POSIX_ACL=y
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CONFIG_XFS_FS=m
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CONFIG_XFS_QUOTA=y
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CONFIG_XFS_POSIX_ACL=y
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CONFIG_XFS_RT=y
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# CONFIG_XFS_FS is not set
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# CONFIG_OCFS2_FS is not set
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CONFIG_DNOTIFY=y
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CONFIG_INOTIFY=y
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CONFIG_INOTIFY_USER=y
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# CONFIG_QUOTA is not set
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CONFIG_QUOTACTL=y
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CONFIG_AUTOFS_FS=m
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CONFIG_AUTOFS4_FS=m
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# CONFIG_FUSE_FS is not set
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@@ -725,11 +712,9 @@ CONFIG_SYSFS=y
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#
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# CONFIG_ADFS_FS is not set
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# CONFIG_AFFS_FS is not set
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# CONFIG_ECRYPT_FS is not set
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# CONFIG_HFS_FS is not set
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# CONFIG_HFSPLUS_FS is not set
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CONFIG_BEFS_FS=m
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# CONFIG_BEFS_DEBUG is not set
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# CONFIG_BEFS_FS is not set
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# CONFIG_BFS_FS is not set
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# CONFIG_EFS_FS is not set
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# CONFIG_CRAMFS is not set
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@@ -744,7 +729,6 @@ CONFIG_NETWORK_FILESYSTEMS=y
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CONFIG_NFS_FS=y
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# CONFIG_NFS_V3 is not set
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# CONFIG_NFS_V4 is not set
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# CONFIG_NFS_DIRECTIO is not set
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# CONFIG_NFSD is not set
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CONFIG_ROOT_NFS=y
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CONFIG_LOCKD=y
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@@ -755,16 +739,10 @@ CONFIG_SUNRPC_GSS=m
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CONFIG_RPCSEC_GSS_KRB5=m
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# CONFIG_RPCSEC_GSS_SPKM3 is not set
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# CONFIG_SMB_FS is not set
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CONFIG_CIFS=m
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# CONFIG_CIFS_STATS is not set
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# CONFIG_CIFS_WEAK_PW_HASH is not set
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# CONFIG_CIFS_XATTR is not set
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# CONFIG_CIFS_DEBUG2 is not set
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# CONFIG_CIFS_EXPERIMENTAL is not set
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# CONFIG_CIFS is not set
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# CONFIG_NCP_FS is not set
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# CONFIG_CODA_FS is not set
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CONFIG_AFS_FS=m
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# CONFIG_AFS_DEBUG is not set
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# CONFIG_AFS_FS is not set
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#
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# Partition Types
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@@ -821,6 +799,7 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
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# CONFIG_PRINTK_TIME is not set
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# CONFIG_ENABLE_WARN_DEPRECATED is not set
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CONFIG_ENABLE_MUST_CHECK=y
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CONFIG_FRAME_WARN=1024
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CONFIG_MAGIC_SYSRQ=y
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# CONFIG_UNUSED_SYMBOLS is not set
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# CONFIG_DEBUG_FS is not set
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@@ -842,70 +821,105 @@ CONFIG_DETECT_SOFTLOCKUP=y
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CONFIG_DEBUG_BUGVERBOSE=y
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# CONFIG_DEBUG_INFO is not set
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# CONFIG_DEBUG_VM is not set
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# CONFIG_DEBUG_WRITECOUNT is not set
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# CONFIG_DEBUG_LIST is not set
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# CONFIG_DEBUG_SG is not set
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CONFIG_FRAME_POINTER=y
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# CONFIG_BOOT_PRINTK_DELAY is not set
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# CONFIG_RCU_TORTURE_TEST is not set
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# CONFIG_BACKTRACE_SELF_TEST is not set
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# CONFIG_FAULT_INJECTION is not set
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# CONFIG_SAMPLES is not set
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CONFIG_KGDB=y
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CONFIG_HAVE_ARCH_KGDB=y
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CONFIG_KGDB_SERIAL_CONSOLE=y
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CONFIG_KGDB_TESTS=y
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# CONFIG_KGDB_TESTS_ON_BOOT is not set
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# CONFIG_DEBUG_STACK_USAGE is not set
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#
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# Security options
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#
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CONFIG_KEYS=y
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# CONFIG_KEYS_DEBUG_PROC_KEYS is not set
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# CONFIG_KEYS is not set
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# CONFIG_SECURITY is not set
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# CONFIG_SECURITY_FILE_CAPABILITIES is not set
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CONFIG_CRYPTO=y
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#
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# Crypto core or helper
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#
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CONFIG_CRYPTO_ALGAPI=y
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CONFIG_CRYPTO_AEAD=y
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CONFIG_CRYPTO_BLKCIPHER=y
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# CONFIG_CRYPTO_SEQIV is not set
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CONFIG_CRYPTO_HASH=y
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CONFIG_CRYPTO_MANAGER=y
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# CONFIG_CRYPTO_GF128MUL is not set
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CONFIG_CRYPTO_NULL=m
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# CONFIG_CRYPTO_CRYPTD is not set
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CONFIG_CRYPTO_AUTHENC=y
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# CONFIG_CRYPTO_TEST is not set
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#
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# Authenticated Encryption with Associated Data
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#
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# CONFIG_CRYPTO_CCM is not set
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# CONFIG_CRYPTO_GCM is not set
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# CONFIG_CRYPTO_SEQIV is not set
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#
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# Block modes
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#
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CONFIG_CRYPTO_CBC=y
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# CONFIG_CRYPTO_CTR is not set
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# CONFIG_CRYPTO_CTS is not set
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CONFIG_CRYPTO_ECB=m
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# CONFIG_CRYPTO_LRW is not set
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CONFIG_CRYPTO_PCBC=m
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# CONFIG_CRYPTO_XTS is not set
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#
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# Hash modes
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#
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CONFIG_CRYPTO_HMAC=y
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# CONFIG_CRYPTO_XCBC is not set
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CONFIG_CRYPTO_NULL=m
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#
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# Digest
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#
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CONFIG_CRYPTO_CRC32C=m
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CONFIG_CRYPTO_MD4=y
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CONFIG_CRYPTO_MD5=y
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CONFIG_CRYPTO_MICHAEL_MIC=m
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CONFIG_CRYPTO_SHA1=y
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CONFIG_CRYPTO_SHA256=m
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CONFIG_CRYPTO_SHA512=m
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# CONFIG_CRYPTO_WP512 is not set
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# CONFIG_CRYPTO_TGR192 is not set
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# CONFIG_CRYPTO_GF128MUL is not set
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CONFIG_CRYPTO_ECB=m
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CONFIG_CRYPTO_CBC=y
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CONFIG_CRYPTO_PCBC=m
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# CONFIG_CRYPTO_LRW is not set
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# CONFIG_CRYPTO_XTS is not set
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# CONFIG_CRYPTO_CTR is not set
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# CONFIG_CRYPTO_GCM is not set
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# CONFIG_CRYPTO_CCM is not set
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# CONFIG_CRYPTO_CRYPTD is not set
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CONFIG_CRYPTO_DES=y
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# CONFIG_CRYPTO_FCRYPT is not set
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CONFIG_CRYPTO_BLOWFISH=m
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CONFIG_CRYPTO_TWOFISH=m
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CONFIG_CRYPTO_TWOFISH_COMMON=m
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CONFIG_CRYPTO_SERPENT=m
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# CONFIG_CRYPTO_WP512 is not set
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#
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# Ciphers
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#
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CONFIG_CRYPTO_AES=m
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# CONFIG_CRYPTO_ANUBIS is not set
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CONFIG_CRYPTO_ARC4=m
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CONFIG_CRYPTO_BLOWFISH=m
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# CONFIG_CRYPTO_CAMELLIA is not set
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CONFIG_CRYPTO_CAST5=m
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CONFIG_CRYPTO_CAST6=m
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# CONFIG_CRYPTO_TEA is not set
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CONFIG_CRYPTO_ARC4=m
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CONFIG_CRYPTO_DES=y
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# CONFIG_CRYPTO_FCRYPT is not set
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# CONFIG_CRYPTO_KHAZAD is not set
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# CONFIG_CRYPTO_ANUBIS is not set
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# CONFIG_CRYPTO_SEED is not set
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# CONFIG_CRYPTO_SALSA20 is not set
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# CONFIG_CRYPTO_SEED is not set
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CONFIG_CRYPTO_SERPENT=m
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# CONFIG_CRYPTO_TEA is not set
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CONFIG_CRYPTO_TWOFISH=m
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CONFIG_CRYPTO_TWOFISH_COMMON=m
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#
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# Compression
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#
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CONFIG_CRYPTO_DEFLATE=y
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CONFIG_CRYPTO_MICHAEL_MIC=m
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CONFIG_CRYPTO_CRC32C=m
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# CONFIG_CRYPTO_CAMELLIA is not set
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# CONFIG_CRYPTO_TEST is not set
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CONFIG_CRYPTO_AUTHENC=y
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# CONFIG_CRYPTO_LZO is not set
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# CONFIG_CRYPTO_HW is not set
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@@ -913,6 +927,7 @@ CONFIG_CRYPTO_AUTHENC=y
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# Library routines
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#
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CONFIG_BITREVERSE=y
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# CONFIG_GENERIC_FIND_FIRST_BIT is not set
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# CONFIG_CRC_CCITT is not set
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# CONFIG_CRC16 is not set
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# CONFIG_CRC_ITU_T is not set
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@@ -25,3 +25,4 @@ obj-$(CONFIG_PCI) += ebus.o
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obj-$(CONFIG_SUN_PM) += apc.o pmc.o
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obj-$(CONFIG_MODULES) += module.o sparc_ksyms.o
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obj-$(CONFIG_SPARC_LED) += led.o
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obj-$(CONFIG_KGDB) += kgdb.o
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+44
-81
@@ -12,7 +12,6 @@
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#include <asm/head.h>
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#include <asm/asi.h>
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#include <asm/smp.h>
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#include <asm/kgdb.h>
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#include <asm/contregs.h>
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#include <asm/ptrace.h>
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#include <asm/asm-offsets.h>
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@@ -45,91 +44,20 @@
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_SV; _SV; _SV; _SV; _SV; _SV; _SV; \
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_RS; _RS; _RS; _RS; _RS; _RS; _RS;
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|
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/* First, KGDB low level things. This is a rewrite
|
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* of the routines found in the sparc-stub.c asm() statement
|
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* from the gdb distribution. This is also dual-purpose
|
||||
* as a software trap for userlevel programs.
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*/
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.data
|
||||
.align 4
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in_trap_handler:
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||||
.word 0
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||||
|
||||
.text
|
||||
|
||||
#ifdef CONFIG_KGDB
|
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.align 4
|
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|
||||
#if 0 /* kgdb is dropped from 2.5.33 */
|
||||
! This function is called when any SPARC trap (except window overflow or
|
||||
! underflow) occurs. It makes sure that the invalid register window is still
|
||||
! available before jumping into C code. It will also restore the world if you
|
||||
! return from handle_exception.
|
||||
|
||||
.globl trap_low
|
||||
trap_low:
|
||||
rd %wim, %l3
|
||||
SAVE_ALL
|
||||
|
||||
sethi %hi(in_trap_handler), %l4
|
||||
ld [%lo(in_trap_handler) + %l4], %l5
|
||||
inc %l5
|
||||
st %l5, [%lo(in_trap_handler) + %l4]
|
||||
|
||||
/* Make sure kgdb sees the same state we just saved. */
|
||||
LOAD_PT_GLOBALS(sp)
|
||||
LOAD_PT_INS(sp)
|
||||
ld [%sp + STACKFRAME_SZ + PT_Y], %l4
|
||||
ld [%sp + STACKFRAME_SZ + PT_WIM], %l3
|
||||
ld [%sp + STACKFRAME_SZ + PT_PSR], %l0
|
||||
ld [%sp + STACKFRAME_SZ + PT_PC], %l1
|
||||
ld [%sp + STACKFRAME_SZ + PT_NPC], %l2
|
||||
rd %tbr, %l5 /* Never changes... */
|
||||
|
||||
/* Make kgdb exception frame. */
|
||||
sub %sp,(16+1+6+1+72)*4,%sp ! Make room for input & locals
|
||||
! + hidden arg + arg spill
|
||||
! + doubleword alignment
|
||||
! + registers[72] local var
|
||||
SAVE_KGDB_GLOBALS(sp)
|
||||
SAVE_KGDB_INS(sp)
|
||||
SAVE_KGDB_SREGS(sp, l4, l0, l3, l5, l1, l2)
|
||||
|
||||
/* We are increasing PIL, so two writes. */
|
||||
or %l0, PSR_PIL, %l0
|
||||
wr %l0, 0, %psr
|
||||
WRITE_PAUSE
|
||||
wr %l0, PSR_ET, %psr
|
||||
WRITE_PAUSE
|
||||
|
||||
call handle_exception
|
||||
add %sp, STACKFRAME_SZ, %o0 ! Pass address of registers
|
||||
|
||||
/* Load new kgdb register set. */
|
||||
LOAD_KGDB_GLOBALS(sp)
|
||||
LOAD_KGDB_INS(sp)
|
||||
LOAD_KGDB_SREGS(sp, l4, l0, l3, l5, l1, l2)
|
||||
wr %l4, 0x0, %y
|
||||
|
||||
sethi %hi(in_trap_handler), %l4
|
||||
ld [%lo(in_trap_handler) + %l4], %l5
|
||||
dec %l5
|
||||
st %l5, [%lo(in_trap_handler) + %l4]
|
||||
|
||||
add %sp,(16+1+6+1+72)*4,%sp ! Undo the kgdb trap frame.
|
||||
|
||||
/* Now take what kgdb did and place it into the pt_regs
|
||||
* frame which SparcLinux RESTORE_ALL understands.,
|
||||
*/
|
||||
STORE_PT_INS(sp)
|
||||
STORE_PT_GLOBALS(sp)
|
||||
STORE_PT_YREG(sp, g2)
|
||||
STORE_PT_PRIV(sp, l0, l1, l2)
|
||||
|
||||
RESTORE_ALL
|
||||
.globl arch_kgdb_breakpoint
|
||||
.type arch_kgdb_breakpoint,#function
|
||||
arch_kgdb_breakpoint:
|
||||
ta 0x7d
|
||||
retl
|
||||
nop
|
||||
.size arch_kgdb_breakpoint,.-arch_kgdb_breakpoint
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_BLK_DEV_FD) || defined(CONFIG_BLK_DEV_FD_MODULE)
|
||||
.text
|
||||
.align 4
|
||||
.globl floppy_hardint
|
||||
floppy_hardint:
|
||||
@@ -1596,6 +1524,23 @@ breakpoint_trap:
|
||||
|
||||
RESTORE_ALL
|
||||
|
||||
#ifdef CONFIG_KGDB
|
||||
.align 4
|
||||
.globl kgdb_trap_low
|
||||
.type kgdb_trap_low,#function
|
||||
kgdb_trap_low:
|
||||
rd %wim,%l3
|
||||
SAVE_ALL
|
||||
wr %l0, PSR_ET, %psr
|
||||
WRITE_PAUSE
|
||||
|
||||
call kgdb_trap
|
||||
add %sp, STACKFRAME_SZ, %o0
|
||||
|
||||
RESTORE_ALL
|
||||
.size kgdb_trap_low,.-kgdb_trap_low
|
||||
#endif
|
||||
|
||||
.align 4
|
||||
.globl __handle_exception, flush_patch_exception
|
||||
__handle_exception:
|
||||
@@ -1698,4 +1643,22 @@ pcic_nmi_trap_patch:
|
||||
|
||||
#endif /* CONFIG_PCI */
|
||||
|
||||
.globl flushw_all
|
||||
flushw_all:
|
||||
save %sp, -0x40, %sp
|
||||
save %sp, -0x40, %sp
|
||||
save %sp, -0x40, %sp
|
||||
save %sp, -0x40, %sp
|
||||
save %sp, -0x40, %sp
|
||||
save %sp, -0x40, %sp
|
||||
save %sp, -0x40, %sp
|
||||
restore
|
||||
restore
|
||||
restore
|
||||
restore
|
||||
restore
|
||||
restore
|
||||
ret
|
||||
restore
|
||||
|
||||
/* End of entry.S */
|
||||
|
||||
@@ -191,7 +191,8 @@ t_bade8:BAD_TRAP(0xe8) BAD_TRAP(0xe9) BAD_TRAP(0xea) BAD_TRAP(0xeb) BAD_TRAP(0xe
|
||||
t_baded:BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
|
||||
t_badf2:BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
|
||||
t_badf7:BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
|
||||
t_badfc:BAD_TRAP(0xfc) BAD_TRAP(0xfd)
|
||||
t_badfc:BAD_TRAP(0xfc)
|
||||
t_kgdb: KGDB_TRAP(0xfd)
|
||||
dbtrap: BAD_TRAP(0xfe) /* Debugger/PROM breakpoint #1 */
|
||||
dbtrap2:BAD_TRAP(0xff) /* Debugger/PROM breakpoint #2 */
|
||||
|
||||
@@ -267,7 +268,7 @@ trapbase_cpu1:
|
||||
BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
|
||||
BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
|
||||
BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
|
||||
BAD_TRAP(0xfc) BAD_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
|
||||
BAD_TRAP(0xfc) KGDB_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
|
||||
|
||||
trapbase_cpu2:
|
||||
BAD_TRAP(0x0) SRMMU_TFAULT TRAP_ENTRY(0x2, bad_instruction)
|
||||
@@ -335,7 +336,7 @@ trapbase_cpu2:
|
||||
BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
|
||||
BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
|
||||
BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
|
||||
BAD_TRAP(0xfc) BAD_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
|
||||
BAD_TRAP(0xfc) KGDB_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
|
||||
|
||||
trapbase_cpu3:
|
||||
BAD_TRAP(0x0) SRMMU_TFAULT TRAP_ENTRY(0x2, bad_instruction)
|
||||
@@ -403,7 +404,7 @@ trapbase_cpu3:
|
||||
BAD_TRAP(0xed) BAD_TRAP(0xee) BAD_TRAP(0xef) BAD_TRAP(0xf0) BAD_TRAP(0xf1)
|
||||
BAD_TRAP(0xf2) BAD_TRAP(0xf3) BAD_TRAP(0xf4) BAD_TRAP(0xf5) BAD_TRAP(0xf6)
|
||||
BAD_TRAP(0xf7) BAD_TRAP(0xf8) BAD_TRAP(0xf9) BAD_TRAP(0xfa) BAD_TRAP(0xfb)
|
||||
BAD_TRAP(0xfc) BAD_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
|
||||
BAD_TRAP(0xfc) KGDB_TRAP(0xfd) BAD_TRAP(0xfe) BAD_TRAP(0xff)
|
||||
|
||||
#endif
|
||||
.align PAGE_SIZE
|
||||
|
||||
@@ -0,0 +1,164 @@
|
||||
/* kgdb.c: KGDB support for 32-bit sparc.
|
||||
*
|
||||
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
|
||||
*/
|
||||
|
||||
#include <linux/kgdb.h>
|
||||
#include <linux/kdebug.h>
|
||||
|
||||
#include <asm/kdebug.h>
|
||||
#include <asm/ptrace.h>
|
||||
#include <asm/irq.h>
|
||||
|
||||
extern unsigned long trapbase;
|
||||
|
||||
void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
|
||||
{
|
||||
struct reg_window *win;
|
||||
int i;
|
||||
|
||||
gdb_regs[GDB_G0] = 0;
|
||||
for (i = 0; i < 15; i++)
|
||||
gdb_regs[GDB_G1 + i] = regs->u_regs[UREG_G1 + i];
|
||||
|
||||
win = (struct reg_window *) regs->u_regs[UREG_FP];
|
||||
for (i = 0; i < 8; i++)
|
||||
gdb_regs[GDB_L0 + i] = win->locals[i];
|
||||
for (i = 0; i < 8; i++)
|
||||
gdb_regs[GDB_I0 + i] = win->ins[i];
|
||||
|
||||
for (i = GDB_F0; i <= GDB_F31; i++)
|
||||
gdb_regs[i] = 0;
|
||||
|
||||
gdb_regs[GDB_Y] = regs->y;
|
||||
gdb_regs[GDB_PSR] = regs->psr;
|
||||
gdb_regs[GDB_WIM] = 0;
|
||||
gdb_regs[GDB_TBR] = (unsigned long) &trapbase;
|
||||
gdb_regs[GDB_PC] = regs->pc;
|
||||
gdb_regs[GDB_NPC] = regs->npc;
|
||||
gdb_regs[GDB_FSR] = 0;
|
||||
gdb_regs[GDB_CSR] = 0;
|
||||
}
|
||||
|
||||
void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
|
||||
{
|
||||
struct thread_info *t = task_thread_info(p);
|
||||
struct reg_window *win;
|
||||
int i;
|
||||
|
||||
for (i = GDB_G0; i < GDB_G6; i++)
|
||||
gdb_regs[i] = 0;
|
||||
gdb_regs[GDB_G6] = (unsigned long) t;
|
||||
gdb_regs[GDB_G7] = 0;
|
||||
for (i = GDB_O0; i < GDB_SP; i++)
|
||||
gdb_regs[i] = 0;
|
||||
gdb_regs[GDB_SP] = t->ksp;
|
||||
gdb_regs[GDB_O7] = 0;
|
||||
|
||||
win = (struct reg_window *) t->ksp;
|
||||
for (i = 0; i < 8; i++)
|
||||
gdb_regs[GDB_L0 + i] = win->locals[i];
|
||||
for (i = 0; i < 8; i++)
|
||||
gdb_regs[GDB_I0 + i] = win->ins[i];
|
||||
|
||||
for (i = GDB_F0; i <= GDB_F31; i++)
|
||||
gdb_regs[i] = 0;
|
||||
|
||||
gdb_regs[GDB_Y] = 0;
|
||||
|
||||
gdb_regs[GDB_PSR] = t->kpsr;
|
||||
gdb_regs[GDB_WIM] = t->kwim;
|
||||
gdb_regs[GDB_TBR] = (unsigned long) &trapbase;
|
||||
gdb_regs[GDB_PC] = t->kpc;
|
||||
gdb_regs[GDB_NPC] = t->kpc + 4;
|
||||
gdb_regs[GDB_FSR] = 0;
|
||||
gdb_regs[GDB_CSR] = 0;
|
||||
}
|
||||
|
||||
void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
|
||||
{
|
||||
struct reg_window *win;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 15; i++)
|
||||
regs->u_regs[UREG_G1 + i] = gdb_regs[GDB_G1 + i];
|
||||
|
||||
/* If the PSR register is changing, we have to preserve
|
||||
* the CWP field, otherwise window save/restore explodes.
|
||||
*/
|
||||
if (regs->psr != gdb_regs[GDB_PSR]) {
|
||||
unsigned long cwp = regs->psr & PSR_CWP;
|
||||
|
||||
regs->psr = (gdb_regs[GDB_PSR] & ~PSR_CWP) | cwp;
|
||||
}
|
||||
|
||||
regs->pc = gdb_regs[GDB_PC];
|
||||
regs->npc = gdb_regs[GDB_NPC];
|
||||
regs->y = gdb_regs[GDB_Y];
|
||||
|
||||
win = (struct reg_window *) regs->u_regs[UREG_FP];
|
||||
for (i = 0; i < 8; i++)
|
||||
win->locals[i] = gdb_regs[GDB_L0 + i];
|
||||
for (i = 0; i < 8; i++)
|
||||
win->ins[i] = gdb_regs[GDB_I0 + i];
|
||||
}
|
||||
|
||||
int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
|
||||
char *remcomInBuffer, char *remcomOutBuffer,
|
||||
struct pt_regs *linux_regs)
|
||||
{
|
||||
unsigned long addr;
|
||||
char *ptr;
|
||||
|
||||
switch (remcomInBuffer[0]) {
|
||||
case 'c':
|
||||
/* try to read optional parameter, pc unchanged if no parm */
|
||||
ptr = &remcomInBuffer[1];
|
||||
if (kgdb_hex2long(&ptr, &addr)) {
|
||||
linux_regs->pc = addr;
|
||||
linux_regs->npc = addr + 4;
|
||||
}
|
||||
/* fallthru */
|
||||
|
||||
case 'D':
|
||||
case 'k':
|
||||
if (linux_regs->pc == (unsigned long) arch_kgdb_breakpoint) {
|
||||
linux_regs->pc = linux_regs->npc;
|
||||
linux_regs->npc += 4;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
extern void do_hw_interrupt(struct pt_regs *regs, unsigned long type);
|
||||
|
||||
asmlinkage void kgdb_trap(struct pt_regs *regs)
|
||||
{
|
||||
unsigned long flags;
|
||||
|
||||
if (user_mode(regs)) {
|
||||
do_hw_interrupt(regs, 0xfd);
|
||||
return;
|
||||
}
|
||||
|
||||
flushw_all();
|
||||
|
||||
local_irq_save(flags);
|
||||
kgdb_handle_exception(0x172, SIGTRAP, 0, regs);
|
||||
local_irq_restore(flags);
|
||||
}
|
||||
|
||||
int kgdb_arch_init(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
void kgdb_arch_exit(void)
|
||||
{
|
||||
}
|
||||
|
||||
struct kgdb_arch arch_kgdb_ops = {
|
||||
/* Breakpoint instruction: ta 0x7d */
|
||||
.gdb_bpt_instr = { 0x91, 0xd0, 0x20, 0x7d },
|
||||
};
|
||||
File diff suppressed because it is too large
Load Diff
@@ -335,37 +335,6 @@ void smp4d_cross_call_irq(void)
|
||||
ccall_info.processors_out[i] = 1;
|
||||
}
|
||||
|
||||
static int smp4d_stop_cpu_sender;
|
||||
|
||||
static void smp4d_stop_cpu(void)
|
||||
{
|
||||
int me = hard_smp4d_processor_id();
|
||||
|
||||
if (me != smp4d_stop_cpu_sender)
|
||||
while(1) barrier();
|
||||
}
|
||||
|
||||
/* Cross calls, in order to work efficiently and atomically do all
|
||||
* the message passing work themselves, only stopcpu and reschedule
|
||||
* messages come through here.
|
||||
*/
|
||||
void smp4d_message_pass(int target, int msg, unsigned long data, int wait)
|
||||
{
|
||||
int me = hard_smp4d_processor_id();
|
||||
|
||||
SMP_PRINTK(("smp4d_message_pass %d %d %08lx %d\n", target, msg, data, wait));
|
||||
if (msg == MSG_STOP_CPU && target == MSG_ALL_BUT_SELF) {
|
||||
unsigned long flags;
|
||||
static DEFINE_SPINLOCK(stop_cpu_lock);
|
||||
spin_lock_irqsave(&stop_cpu_lock, flags);
|
||||
smp4d_stop_cpu_sender = me;
|
||||
smp4d_cross_call((smpfunc_t)smp4d_stop_cpu, 0, 0, 0, 0, 0);
|
||||
spin_unlock_irqrestore(&stop_cpu_lock, flags);
|
||||
}
|
||||
printk("Yeeee, trying to send SMP msg(%d) to %d on cpu %d\n", msg, target, me);
|
||||
panic("Bogon SMP message pass.");
|
||||
}
|
||||
|
||||
void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
|
||||
{
|
||||
struct pt_regs *old_regs;
|
||||
@@ -439,7 +408,6 @@ void __init sun4d_init_smp(void)
|
||||
BTFIXUPSET_BLACKBOX(hard_smp_processor_id, smp4d_blackbox_id);
|
||||
BTFIXUPSET_BLACKBOX(load_current, smp4d_blackbox_current);
|
||||
BTFIXUPSET_CALL(smp_cross_call, smp4d_cross_call, BTFIXUPCALL_NORM);
|
||||
BTFIXUPSET_CALL(smp_message_pass, smp4d_message_pass, BTFIXUPCALL_NORM);
|
||||
BTFIXUPSET_CALL(__hard_smp_processor_id, __smp4d_processor_id, BTFIXUPCALL_NORM);
|
||||
|
||||
for (i = 0; i < NR_CPUS; i++) {
|
||||
|
||||
@@ -34,8 +34,6 @@
|
||||
|
||||
#include "irq.h"
|
||||
|
||||
#define IRQ_RESCHEDULE 13
|
||||
#define IRQ_STOP_CPU 14
|
||||
#define IRQ_CROSS_CALL 15
|
||||
|
||||
extern ctxd_t *srmmu_ctx_table_phys;
|
||||
@@ -232,48 +230,6 @@ void smp4m_irq_rotate(int cpu)
|
||||
set_irq_udt(next);
|
||||
}
|
||||
|
||||
/* Cross calls, in order to work efficiently and atomically do all
|
||||
* the message passing work themselves, only stopcpu and reschedule
|
||||
* messages come through here.
|
||||
*/
|
||||
void smp4m_message_pass(int target, int msg, unsigned long data, int wait)
|
||||
{
|
||||
static unsigned long smp_cpu_in_msg[NR_CPUS];
|
||||
cpumask_t mask;
|
||||
int me = smp_processor_id();
|
||||
int irq, i;
|
||||
|
||||
if(msg == MSG_RESCHEDULE) {
|
||||
irq = IRQ_RESCHEDULE;
|
||||
|
||||
if(smp_cpu_in_msg[me])
|
||||
return;
|
||||
} else if(msg == MSG_STOP_CPU) {
|
||||
irq = IRQ_STOP_CPU;
|
||||
} else {
|
||||
goto barf;
|
||||
}
|
||||
|
||||
smp_cpu_in_msg[me]++;
|
||||
if(target == MSG_ALL_BUT_SELF || target == MSG_ALL) {
|
||||
mask = cpu_online_map;
|
||||
if(target == MSG_ALL_BUT_SELF)
|
||||
cpu_clear(me, mask);
|
||||
for(i = 0; i < 4; i++) {
|
||||
if (cpu_isset(i, mask))
|
||||
set_cpu_int(i, irq);
|
||||
}
|
||||
} else {
|
||||
set_cpu_int(target, irq);
|
||||
}
|
||||
smp_cpu_in_msg[me]--;
|
||||
|
||||
return;
|
||||
barf:
|
||||
printk("Yeeee, trying to send SMP msg(%d) on cpu %d\n", msg, me);
|
||||
panic("Bogon SMP message pass.");
|
||||
}
|
||||
|
||||
static struct smp_funcall {
|
||||
smpfunc_t func;
|
||||
unsigned long arg1;
|
||||
@@ -413,6 +369,5 @@ void __init sun4m_init_smp(void)
|
||||
BTFIXUPSET_BLACKBOX(hard_smp_processor_id, smp4m_blackbox_id);
|
||||
BTFIXUPSET_BLACKBOX(load_current, smp4m_blackbox_current);
|
||||
BTFIXUPSET_CALL(smp_cross_call, smp4m_cross_call, BTFIXUPCALL_NORM);
|
||||
BTFIXUPSET_CALL(smp_message_pass, smp4m_message_pass, BTFIXUPCALL_NORM);
|
||||
BTFIXUPSET_CALL(__hard_smp_processor_id, __smp4m_processor_id, BTFIXUPCALL_NORM);
|
||||
}
|
||||
|
||||
@@ -13,6 +13,7 @@ config SPARC64
|
||||
default y
|
||||
select HAVE_IDE
|
||||
select HAVE_LMB
|
||||
select HAVE_ARCH_KGDB
|
||||
|
||||
config GENERIC_TIME
|
||||
bool
|
||||
|
||||
@@ -29,3 +29,4 @@ obj-$(CONFIG_SUN_LDOMS) += ldc.o vio.o viohs.o ds.o
|
||||
obj-$(CONFIG_AUDIT) += audit.o
|
||||
obj-$(CONFIG_AUDIT)$(CONFIG_COMPAT) += compat_audit.o
|
||||
obj-y += $(obj-yy)
|
||||
obj-$(CONFIG_KGDB) += kgdb.o
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,384 @@
|
||||
/* This is trivial with the new code... */
|
||||
.globl do_fpdis
|
||||
.type do_fpdis,#function
|
||||
do_fpdis:
|
||||
sethi %hi(TSTATE_PEF), %g4
|
||||
rdpr %tstate, %g5
|
||||
andcc %g5, %g4, %g0
|
||||
be,pt %xcc, 1f
|
||||
nop
|
||||
rd %fprs, %g5
|
||||
andcc %g5, FPRS_FEF, %g0
|
||||
be,pt %xcc, 1f
|
||||
nop
|
||||
|
||||
/* Legal state when DCR_IFPOE is set in Cheetah %dcr. */
|
||||
sethi %hi(109f), %g7
|
||||
ba,pt %xcc, etrap
|
||||
109: or %g7, %lo(109b), %g7
|
||||
add %g0, %g0, %g0
|
||||
ba,a,pt %xcc, rtrap
|
||||
|
||||
1: TRAP_LOAD_THREAD_REG(%g6, %g1)
|
||||
ldub [%g6 + TI_FPSAVED], %g5
|
||||
wr %g0, FPRS_FEF, %fprs
|
||||
andcc %g5, FPRS_FEF, %g0
|
||||
be,a,pt %icc, 1f
|
||||
clr %g7
|
||||
ldx [%g6 + TI_GSR], %g7
|
||||
1: andcc %g5, FPRS_DL, %g0
|
||||
bne,pn %icc, 2f
|
||||
fzero %f0
|
||||
andcc %g5, FPRS_DU, %g0
|
||||
bne,pn %icc, 1f
|
||||
fzero %f2
|
||||
faddd %f0, %f2, %f4
|
||||
fmuld %f0, %f2, %f6
|
||||
faddd %f0, %f2, %f8
|
||||
fmuld %f0, %f2, %f10
|
||||
faddd %f0, %f2, %f12
|
||||
fmuld %f0, %f2, %f14
|
||||
faddd %f0, %f2, %f16
|
||||
fmuld %f0, %f2, %f18
|
||||
faddd %f0, %f2, %f20
|
||||
fmuld %f0, %f2, %f22
|
||||
faddd %f0, %f2, %f24
|
||||
fmuld %f0, %f2, %f26
|
||||
faddd %f0, %f2, %f28
|
||||
fmuld %f0, %f2, %f30
|
||||
faddd %f0, %f2, %f32
|
||||
fmuld %f0, %f2, %f34
|
||||
faddd %f0, %f2, %f36
|
||||
fmuld %f0, %f2, %f38
|
||||
faddd %f0, %f2, %f40
|
||||
fmuld %f0, %f2, %f42
|
||||
faddd %f0, %f2, %f44
|
||||
fmuld %f0, %f2, %f46
|
||||
faddd %f0, %f2, %f48
|
||||
fmuld %f0, %f2, %f50
|
||||
faddd %f0, %f2, %f52
|
||||
fmuld %f0, %f2, %f54
|
||||
faddd %f0, %f2, %f56
|
||||
fmuld %f0, %f2, %f58
|
||||
b,pt %xcc, fpdis_exit2
|
||||
faddd %f0, %f2, %f60
|
||||
1: mov SECONDARY_CONTEXT, %g3
|
||||
add %g6, TI_FPREGS + 0x80, %g1
|
||||
faddd %f0, %f2, %f4
|
||||
fmuld %f0, %f2, %f6
|
||||
|
||||
661: ldxa [%g3] ASI_DMMU, %g5
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
ldxa [%g3] ASI_MMU, %g5
|
||||
.previous
|
||||
|
||||
sethi %hi(sparc64_kern_sec_context), %g2
|
||||
ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2
|
||||
|
||||
661: stxa %g2, [%g3] ASI_DMMU
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
stxa %g2, [%g3] ASI_MMU
|
||||
.previous
|
||||
|
||||
membar #Sync
|
||||
add %g6, TI_FPREGS + 0xc0, %g2
|
||||
faddd %f0, %f2, %f8
|
||||
fmuld %f0, %f2, %f10
|
||||
membar #Sync
|
||||
ldda [%g1] ASI_BLK_S, %f32
|
||||
ldda [%g2] ASI_BLK_S, %f48
|
||||
membar #Sync
|
||||
faddd %f0, %f2, %f12
|
||||
fmuld %f0, %f2, %f14
|
||||
faddd %f0, %f2, %f16
|
||||
fmuld %f0, %f2, %f18
|
||||
faddd %f0, %f2, %f20
|
||||
fmuld %f0, %f2, %f22
|
||||
faddd %f0, %f2, %f24
|
||||
fmuld %f0, %f2, %f26
|
||||
faddd %f0, %f2, %f28
|
||||
fmuld %f0, %f2, %f30
|
||||
b,pt %xcc, fpdis_exit
|
||||
nop
|
||||
2: andcc %g5, FPRS_DU, %g0
|
||||
bne,pt %icc, 3f
|
||||
fzero %f32
|
||||
mov SECONDARY_CONTEXT, %g3
|
||||
fzero %f34
|
||||
|
||||
661: ldxa [%g3] ASI_DMMU, %g5
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
ldxa [%g3] ASI_MMU, %g5
|
||||
.previous
|
||||
|
||||
add %g6, TI_FPREGS, %g1
|
||||
sethi %hi(sparc64_kern_sec_context), %g2
|
||||
ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2
|
||||
|
||||
661: stxa %g2, [%g3] ASI_DMMU
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
stxa %g2, [%g3] ASI_MMU
|
||||
.previous
|
||||
|
||||
membar #Sync
|
||||
add %g6, TI_FPREGS + 0x40, %g2
|
||||
faddd %f32, %f34, %f36
|
||||
fmuld %f32, %f34, %f38
|
||||
membar #Sync
|
||||
ldda [%g1] ASI_BLK_S, %f0
|
||||
ldda [%g2] ASI_BLK_S, %f16
|
||||
membar #Sync
|
||||
faddd %f32, %f34, %f40
|
||||
fmuld %f32, %f34, %f42
|
||||
faddd %f32, %f34, %f44
|
||||
fmuld %f32, %f34, %f46
|
||||
faddd %f32, %f34, %f48
|
||||
fmuld %f32, %f34, %f50
|
||||
faddd %f32, %f34, %f52
|
||||
fmuld %f32, %f34, %f54
|
||||
faddd %f32, %f34, %f56
|
||||
fmuld %f32, %f34, %f58
|
||||
faddd %f32, %f34, %f60
|
||||
fmuld %f32, %f34, %f62
|
||||
ba,pt %xcc, fpdis_exit
|
||||
nop
|
||||
3: mov SECONDARY_CONTEXT, %g3
|
||||
add %g6, TI_FPREGS, %g1
|
||||
|
||||
661: ldxa [%g3] ASI_DMMU, %g5
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
ldxa [%g3] ASI_MMU, %g5
|
||||
.previous
|
||||
|
||||
sethi %hi(sparc64_kern_sec_context), %g2
|
||||
ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2
|
||||
|
||||
661: stxa %g2, [%g3] ASI_DMMU
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
stxa %g2, [%g3] ASI_MMU
|
||||
.previous
|
||||
|
||||
membar #Sync
|
||||
mov 0x40, %g2
|
||||
membar #Sync
|
||||
ldda [%g1] ASI_BLK_S, %f0
|
||||
ldda [%g1 + %g2] ASI_BLK_S, %f16
|
||||
add %g1, 0x80, %g1
|
||||
ldda [%g1] ASI_BLK_S, %f32
|
||||
ldda [%g1 + %g2] ASI_BLK_S, %f48
|
||||
membar #Sync
|
||||
fpdis_exit:
|
||||
|
||||
661: stxa %g5, [%g3] ASI_DMMU
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
stxa %g5, [%g3] ASI_MMU
|
||||
.previous
|
||||
|
||||
membar #Sync
|
||||
fpdis_exit2:
|
||||
wr %g7, 0, %gsr
|
||||
ldx [%g6 + TI_XFSR], %fsr
|
||||
rdpr %tstate, %g3
|
||||
or %g3, %g4, %g3 ! anal...
|
||||
wrpr %g3, %tstate
|
||||
wr %g0, FPRS_FEF, %fprs ! clean DU/DL bits
|
||||
retry
|
||||
.size do_fpdis,.-do_fpdis
|
||||
|
||||
.align 32
|
||||
.type fp_other_bounce,#function
|
||||
fp_other_bounce:
|
||||
call do_fpother
|
||||
add %sp, PTREGS_OFF, %o0
|
||||
ba,pt %xcc, rtrap
|
||||
nop
|
||||
.size fp_other_bounce,.-fp_other_bounce
|
||||
|
||||
.align 32
|
||||
.globl do_fpother_check_fitos
|
||||
.type do_fpother_check_fitos,#function
|
||||
do_fpother_check_fitos:
|
||||
TRAP_LOAD_THREAD_REG(%g6, %g1)
|
||||
sethi %hi(fp_other_bounce - 4), %g7
|
||||
or %g7, %lo(fp_other_bounce - 4), %g7
|
||||
|
||||
/* NOTE: Need to preserve %g7 until we fully commit
|
||||
* to the fitos fixup.
|
||||
*/
|
||||
stx %fsr, [%g6 + TI_XFSR]
|
||||
rdpr %tstate, %g3
|
||||
andcc %g3, TSTATE_PRIV, %g0
|
||||
bne,pn %xcc, do_fptrap_after_fsr
|
||||
nop
|
||||
ldx [%g6 + TI_XFSR], %g3
|
||||
srlx %g3, 14, %g1
|
||||
and %g1, 7, %g1
|
||||
cmp %g1, 2 ! Unfinished FP-OP
|
||||
bne,pn %xcc, do_fptrap_after_fsr
|
||||
sethi %hi(1 << 23), %g1 ! Inexact
|
||||
andcc %g3, %g1, %g0
|
||||
bne,pn %xcc, do_fptrap_after_fsr
|
||||
rdpr %tpc, %g1
|
||||
lduwa [%g1] ASI_AIUP, %g3 ! This cannot ever fail
|
||||
#define FITOS_MASK 0xc1f83fe0
|
||||
#define FITOS_COMPARE 0x81a01880
|
||||
sethi %hi(FITOS_MASK), %g1
|
||||
or %g1, %lo(FITOS_MASK), %g1
|
||||
and %g3, %g1, %g1
|
||||
sethi %hi(FITOS_COMPARE), %g2
|
||||
or %g2, %lo(FITOS_COMPARE), %g2
|
||||
cmp %g1, %g2
|
||||
bne,pn %xcc, do_fptrap_after_fsr
|
||||
nop
|
||||
std %f62, [%g6 + TI_FPREGS + (62 * 4)]
|
||||
sethi %hi(fitos_table_1), %g1
|
||||
and %g3, 0x1f, %g2
|
||||
or %g1, %lo(fitos_table_1), %g1
|
||||
sllx %g2, 2, %g2
|
||||
jmpl %g1 + %g2, %g0
|
||||
ba,pt %xcc, fitos_emul_continue
|
||||
|
||||
fitos_table_1:
|
||||
fitod %f0, %f62
|
||||
fitod %f1, %f62
|
||||
fitod %f2, %f62
|
||||
fitod %f3, %f62
|
||||
fitod %f4, %f62
|
||||
fitod %f5, %f62
|
||||
fitod %f6, %f62
|
||||
fitod %f7, %f62
|
||||
fitod %f8, %f62
|
||||
fitod %f9, %f62
|
||||
fitod %f10, %f62
|
||||
fitod %f11, %f62
|
||||
fitod %f12, %f62
|
||||
fitod %f13, %f62
|
||||
fitod %f14, %f62
|
||||
fitod %f15, %f62
|
||||
fitod %f16, %f62
|
||||
fitod %f17, %f62
|
||||
fitod %f18, %f62
|
||||
fitod %f19, %f62
|
||||
fitod %f20, %f62
|
||||
fitod %f21, %f62
|
||||
fitod %f22, %f62
|
||||
fitod %f23, %f62
|
||||
fitod %f24, %f62
|
||||
fitod %f25, %f62
|
||||
fitod %f26, %f62
|
||||
fitod %f27, %f62
|
||||
fitod %f28, %f62
|
||||
fitod %f29, %f62
|
||||
fitod %f30, %f62
|
||||
fitod %f31, %f62
|
||||
|
||||
fitos_emul_continue:
|
||||
sethi %hi(fitos_table_2), %g1
|
||||
srl %g3, 25, %g2
|
||||
or %g1, %lo(fitos_table_2), %g1
|
||||
and %g2, 0x1f, %g2
|
||||
sllx %g2, 2, %g2
|
||||
jmpl %g1 + %g2, %g0
|
||||
ba,pt %xcc, fitos_emul_fini
|
||||
|
||||
fitos_table_2:
|
||||
fdtos %f62, %f0
|
||||
fdtos %f62, %f1
|
||||
fdtos %f62, %f2
|
||||
fdtos %f62, %f3
|
||||
fdtos %f62, %f4
|
||||
fdtos %f62, %f5
|
||||
fdtos %f62, %f6
|
||||
fdtos %f62, %f7
|
||||
fdtos %f62, %f8
|
||||
fdtos %f62, %f9
|
||||
fdtos %f62, %f10
|
||||
fdtos %f62, %f11
|
||||
fdtos %f62, %f12
|
||||
fdtos %f62, %f13
|
||||
fdtos %f62, %f14
|
||||
fdtos %f62, %f15
|
||||
fdtos %f62, %f16
|
||||
fdtos %f62, %f17
|
||||
fdtos %f62, %f18
|
||||
fdtos %f62, %f19
|
||||
fdtos %f62, %f20
|
||||
fdtos %f62, %f21
|
||||
fdtos %f62, %f22
|
||||
fdtos %f62, %f23
|
||||
fdtos %f62, %f24
|
||||
fdtos %f62, %f25
|
||||
fdtos %f62, %f26
|
||||
fdtos %f62, %f27
|
||||
fdtos %f62, %f28
|
||||
fdtos %f62, %f29
|
||||
fdtos %f62, %f30
|
||||
fdtos %f62, %f31
|
||||
|
||||
fitos_emul_fini:
|
||||
ldd [%g6 + TI_FPREGS + (62 * 4)], %f62
|
||||
done
|
||||
.size do_fpother_check_fitos,.-do_fpother_check_fitos
|
||||
|
||||
.align 32
|
||||
.globl do_fptrap
|
||||
.type do_fptrap,#function
|
||||
do_fptrap:
|
||||
TRAP_LOAD_THREAD_REG(%g6, %g1)
|
||||
stx %fsr, [%g6 + TI_XFSR]
|
||||
do_fptrap_after_fsr:
|
||||
ldub [%g6 + TI_FPSAVED], %g3
|
||||
rd %fprs, %g1
|
||||
or %g3, %g1, %g3
|
||||
stb %g3, [%g6 + TI_FPSAVED]
|
||||
rd %gsr, %g3
|
||||
stx %g3, [%g6 + TI_GSR]
|
||||
mov SECONDARY_CONTEXT, %g3
|
||||
|
||||
661: ldxa [%g3] ASI_DMMU, %g5
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
ldxa [%g3] ASI_MMU, %g5
|
||||
.previous
|
||||
|
||||
sethi %hi(sparc64_kern_sec_context), %g2
|
||||
ldx [%g2 + %lo(sparc64_kern_sec_context)], %g2
|
||||
|
||||
661: stxa %g2, [%g3] ASI_DMMU
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
stxa %g2, [%g3] ASI_MMU
|
||||
.previous
|
||||
|
||||
membar #Sync
|
||||
add %g6, TI_FPREGS, %g2
|
||||
andcc %g1, FPRS_DL, %g0
|
||||
be,pn %icc, 4f
|
||||
mov 0x40, %g3
|
||||
stda %f0, [%g2] ASI_BLK_S
|
||||
stda %f16, [%g2 + %g3] ASI_BLK_S
|
||||
andcc %g1, FPRS_DU, %g0
|
||||
be,pn %icc, 5f
|
||||
4: add %g2, 128, %g2
|
||||
stda %f32, [%g2] ASI_BLK_S
|
||||
stda %f48, [%g2 + %g3] ASI_BLK_S
|
||||
5: mov SECONDARY_CONTEXT, %g1
|
||||
membar #Sync
|
||||
|
||||
661: stxa %g5, [%g1] ASI_DMMU
|
||||
.section .sun4v_1insn_patch, "ax"
|
||||
.word 661b
|
||||
stxa %g5, [%g1] ASI_MMU
|
||||
.previous
|
||||
|
||||
membar #Sync
|
||||
ba,pt %xcc, etrap
|
||||
wr %g0, 0, %fprs
|
||||
.size do_fptrap,.-do_fptrap
|
||||
@@ -0,0 +1,24 @@
|
||||
.globl getcc
|
||||
.type getcc,#function
|
||||
getcc:
|
||||
ldx [%o0 + PT_V9_TSTATE], %o1
|
||||
srlx %o1, 32, %o1
|
||||
and %o1, 0xf, %o1
|
||||
retl
|
||||
stx %o1, [%o0 + PT_V9_G1]
|
||||
.size getcc,.-getcc
|
||||
|
||||
.globl setcc
|
||||
.type setcc,#function
|
||||
setcc:
|
||||
ldx [%o0 + PT_V9_TSTATE], %o1
|
||||
ldx [%o0 + PT_V9_G1], %o2
|
||||
or %g0, %ulo(TSTATE_ICC), %o3
|
||||
sllx %o3, 32, %o3
|
||||
andn %o1, %o3, %o1
|
||||
sllx %o2, 32, %o2
|
||||
and %o2, %o3, %o2
|
||||
or %o1, %o2, %o1
|
||||
retl
|
||||
stx %o1, [%o0 + PT_V9_TSTATE]
|
||||
.size setcc,.-setcc
|
||||
@@ -27,6 +27,10 @@
|
||||
#include <asm/ttable.h>
|
||||
#include <asm/mmu.h>
|
||||
#include <asm/cpudata.h>
|
||||
#include <asm/pil.h>
|
||||
#include <asm/estate.h>
|
||||
#include <asm/sfafsr.h>
|
||||
#include <asm/unistd.h>
|
||||
|
||||
/* This section from from _start to sparc64_boot_end should fit into
|
||||
* 0x0000000000404000 to 0x0000000000408000.
|
||||
@@ -823,7 +827,16 @@ sparc64_boot_end:
|
||||
#include "etrap.S"
|
||||
#include "rtrap.S"
|
||||
#include "winfixup.S"
|
||||
#include "entry.S"
|
||||
#include "fpu_traps.S"
|
||||
#include "ivec.S"
|
||||
#include "getsetcc.S"
|
||||
#include "utrap.S"
|
||||
#include "spiterrs.S"
|
||||
#include "cherrs.S"
|
||||
#include "misctrap.S"
|
||||
#include "syscalls.S"
|
||||
#include "helpers.S"
|
||||
#include "hvcalls.S"
|
||||
#include "sun4v_tlb_miss.S"
|
||||
#include "sun4v_ivec.S"
|
||||
#include "ktlb.S"
|
||||
|
||||
@@ -0,0 +1,63 @@
|
||||
.align 32
|
||||
.globl __flushw_user
|
||||
.type __flushw_user,#function
|
||||
__flushw_user:
|
||||
rdpr %otherwin, %g1
|
||||
brz,pn %g1, 2f
|
||||
clr %g2
|
||||
1: save %sp, -128, %sp
|
||||
rdpr %otherwin, %g1
|
||||
brnz,pt %g1, 1b
|
||||
add %g2, 1, %g2
|
||||
1: sub %g2, 1, %g2
|
||||
brnz,pt %g2, 1b
|
||||
restore %g0, %g0, %g0
|
||||
2: retl
|
||||
nop
|
||||
.size __flushw_user,.-__flushw_user
|
||||
|
||||
/* Flush %fp and %i7 to the stack for all register
|
||||
* windows active inside of the cpu. This allows
|
||||
* show_stack_trace() to avoid using an expensive
|
||||
* 'flushw'.
|
||||
*/
|
||||
.globl stack_trace_flush
|
||||
.type stack_trace_flush,#function
|
||||
stack_trace_flush:
|
||||
rdpr %pstate, %o0
|
||||
wrpr %o0, PSTATE_IE, %pstate
|
||||
|
||||
rdpr %cwp, %g1
|
||||
rdpr %canrestore, %g2
|
||||
sub %g1, 1, %g3
|
||||
|
||||
1: brz,pn %g2, 2f
|
||||
sub %g2, 1, %g2
|
||||
wrpr %g3, %cwp
|
||||
stx %fp, [%sp + STACK_BIAS + RW_V9_I6]
|
||||
stx %i7, [%sp + STACK_BIAS + RW_V9_I7]
|
||||
ba,pt %xcc, 1b
|
||||
sub %g3, 1, %g3
|
||||
|
||||
2: wrpr %g1, %cwp
|
||||
wrpr %o0, %pstate
|
||||
|
||||
retl
|
||||
nop
|
||||
.size stack_trace_flush,.-stack_trace_flush
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
.globl hard_smp_processor_id
|
||||
.type hard_smp_processor_id,#function
|
||||
hard_smp_processor_id:
|
||||
#endif
|
||||
.globl real_hard_smp_processor_id
|
||||
.type real_hard_smp_processor_id,#function
|
||||
real_hard_smp_processor_id:
|
||||
__GET_CPUID(%o0)
|
||||
retl
|
||||
nop
|
||||
#ifdef CONFIG_SMP
|
||||
.size hard_smp_processor_id,.-hard_smp_processor_id
|
||||
#endif
|
||||
.size real_hard_smp_processor_id,.-real_hard_smp_processor_id
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,51 @@
|
||||
/* The registers for cross calls will be:
|
||||
*
|
||||
* DATA 0: [low 32-bits] Address of function to call, jmp to this
|
||||
* [high 32-bits] MMU Context Argument 0, place in %g5
|
||||
* DATA 1: Address Argument 1, place in %g1
|
||||
* DATA 2: Address Argument 2, place in %g7
|
||||
*
|
||||
* With this method we can do most of the cross-call tlb/cache
|
||||
* flushing very quickly.
|
||||
*/
|
||||
.align 32
|
||||
.globl do_ivec
|
||||
.type do_ivec,#function
|
||||
do_ivec:
|
||||
mov 0x40, %g3
|
||||
ldxa [%g3 + %g0] ASI_INTR_R, %g3
|
||||
sethi %hi(KERNBASE), %g4
|
||||
cmp %g3, %g4
|
||||
bgeu,pn %xcc, do_ivec_xcall
|
||||
srlx %g3, 32, %g5
|
||||
stxa %g0, [%g0] ASI_INTR_RECEIVE
|
||||
membar #Sync
|
||||
|
||||
sethi %hi(ivector_table_pa), %g2
|
||||
ldx [%g2 + %lo(ivector_table_pa)], %g2
|
||||
sllx %g3, 4, %g3
|
||||
add %g2, %g3, %g3
|
||||
|
||||
TRAP_LOAD_IRQ_WORK_PA(%g6, %g1)
|
||||
|
||||
ldx [%g6], %g5
|
||||
stxa %g5, [%g3] ASI_PHYS_USE_EC
|
||||
stx %g3, [%g6]
|
||||
wr %g0, 1 << PIL_DEVICE_IRQ, %set_softint
|
||||
retry
|
||||
do_ivec_xcall:
|
||||
mov 0x50, %g1
|
||||
ldxa [%g1 + %g0] ASI_INTR_R, %g1
|
||||
srl %g3, 0, %g3
|
||||
|
||||
mov 0x60, %g7
|
||||
ldxa [%g7 + %g0] ASI_INTR_R, %g7
|
||||
stxa %g0, [%g0] ASI_INTR_RECEIVE
|
||||
membar #Sync
|
||||
ba,pt %xcc, 1f
|
||||
nop
|
||||
|
||||
.align 32
|
||||
1: jmpl %g3, %g0
|
||||
nop
|
||||
.size do_ivec,.-do_ivec
|
||||
@@ -0,0 +1,186 @@
|
||||
/* kgdb.c: KGDB support for 64-bit sparc.
|
||||
*
|
||||
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
|
||||
*/
|
||||
|
||||
#include <linux/kgdb.h>
|
||||
#include <linux/kdebug.h>
|
||||
|
||||
#include <asm/kdebug.h>
|
||||
#include <asm/ptrace.h>
|
||||
#include <asm/irq.h>
|
||||
|
||||
void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
|
||||
{
|
||||
struct reg_window *win;
|
||||
int i;
|
||||
|
||||
gdb_regs[GDB_G0] = 0;
|
||||
for (i = 0; i < 15; i++)
|
||||
gdb_regs[GDB_G1 + i] = regs->u_regs[UREG_G1 + i];
|
||||
|
||||
win = (struct reg_window *) (regs->u_regs[UREG_FP] + STACK_BIAS);
|
||||
for (i = 0; i < 8; i++)
|
||||
gdb_regs[GDB_L0 + i] = win->locals[i];
|
||||
for (i = 0; i < 8; i++)
|
||||
gdb_regs[GDB_I0 + i] = win->ins[i];
|
||||
|
||||
for (i = GDB_F0; i <= GDB_F62; i++)
|
||||
gdb_regs[i] = 0;
|
||||
|
||||
gdb_regs[GDB_PC] = regs->tpc;
|
||||
gdb_regs[GDB_NPC] = regs->tnpc;
|
||||
gdb_regs[GDB_STATE] = regs->tstate;
|
||||
gdb_regs[GDB_FSR] = 0;
|
||||
gdb_regs[GDB_FPRS] = 0;
|
||||
gdb_regs[GDB_Y] = regs->y;
|
||||
}
|
||||
|
||||
void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
|
||||
{
|
||||
struct thread_info *t = task_thread_info(p);
|
||||
extern unsigned int switch_to_pc;
|
||||
extern unsigned int ret_from_syscall;
|
||||
struct reg_window *win;
|
||||
unsigned long pc, cwp;
|
||||
int i;
|
||||
|
||||
for (i = GDB_G0; i < GDB_G6; i++)
|
||||
gdb_regs[i] = 0;
|
||||
gdb_regs[GDB_G6] = (unsigned long) t;
|
||||
gdb_regs[GDB_G7] = (unsigned long) p;
|
||||
for (i = GDB_O0; i < GDB_SP; i++)
|
||||
gdb_regs[i] = 0;
|
||||
gdb_regs[GDB_SP] = t->ksp;
|
||||
gdb_regs[GDB_O7] = 0;
|
||||
|
||||
win = (struct reg_window *) (t->ksp + STACK_BIAS);
|
||||
for (i = 0; i < 8; i++)
|
||||
gdb_regs[GDB_L0 + i] = win->locals[i];
|
||||
for (i = 0; i < 8; i++)
|
||||
gdb_regs[GDB_I0 + i] = win->ins[i];
|
||||
|
||||
for (i = GDB_F0; i <= GDB_F62; i++)
|
||||
gdb_regs[i] = 0;
|
||||
|
||||
if (t->new_child)
|
||||
pc = (unsigned long) &ret_from_syscall;
|
||||
else
|
||||
pc = (unsigned long) &switch_to_pc;
|
||||
|
||||
gdb_regs[GDB_PC] = pc;
|
||||
gdb_regs[GDB_NPC] = pc + 4;
|
||||
|
||||
cwp = __thread_flag_byte_ptr(t)[TI_FLAG_BYTE_CWP];
|
||||
|
||||
gdb_regs[GDB_STATE] = (TSTATE_PRIV | TSTATE_IE | cwp);
|
||||
gdb_regs[GDB_FSR] = 0;
|
||||
gdb_regs[GDB_FPRS] = 0;
|
||||
gdb_regs[GDB_Y] = 0;
|
||||
}
|
||||
|
||||
void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
|
||||
{
|
||||
struct reg_window *win;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 15; i++)
|
||||
regs->u_regs[UREG_G1 + i] = gdb_regs[GDB_G1 + i];
|
||||
|
||||
/* If the TSTATE register is changing, we have to preserve
|
||||
* the CWP field, otherwise window save/restore explodes.
|
||||
*/
|
||||
if (regs->tstate != gdb_regs[GDB_STATE]) {
|
||||
unsigned long cwp = regs->tstate & TSTATE_CWP;
|
||||
|
||||
regs->tstate = (gdb_regs[GDB_STATE] & ~TSTATE_CWP) | cwp;
|
||||
}
|
||||
|
||||
regs->tpc = gdb_regs[GDB_PC];
|
||||
regs->tnpc = gdb_regs[GDB_NPC];
|
||||
regs->y = gdb_regs[GDB_Y];
|
||||
|
||||
win = (struct reg_window *) (regs->u_regs[UREG_FP] + STACK_BIAS);
|
||||
for (i = 0; i < 8; i++)
|
||||
win->locals[i] = gdb_regs[GDB_L0 + i];
|
||||
for (i = 0; i < 8; i++)
|
||||
win->ins[i] = gdb_regs[GDB_I0 + i];
|
||||
}
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
void smp_kgdb_capture_client(struct pt_regs *regs)
|
||||
{
|
||||
unsigned long flags;
|
||||
|
||||
__asm__ __volatile__("rdpr %%pstate, %0\n\t"
|
||||
"wrpr %0, %1, %%pstate"
|
||||
: "=r" (flags)
|
||||
: "i" (PSTATE_IE));
|
||||
|
||||
flushw_all();
|
||||
|
||||
if (atomic_read(&kgdb_active) != -1)
|
||||
kgdb_nmicallback(raw_smp_processor_id(), regs);
|
||||
|
||||
__asm__ __volatile__("wrpr %0, 0, %%pstate"
|
||||
: : "r" (flags));
|
||||
}
|
||||
#endif
|
||||
|
||||
int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
|
||||
char *remcomInBuffer, char *remcomOutBuffer,
|
||||
struct pt_regs *linux_regs)
|
||||
{
|
||||
unsigned long addr;
|
||||
char *ptr;
|
||||
|
||||
switch (remcomInBuffer[0]) {
|
||||
case 'c':
|
||||
/* try to read optional parameter, pc unchanged if no parm */
|
||||
ptr = &remcomInBuffer[1];
|
||||
if (kgdb_hex2long(&ptr, &addr)) {
|
||||
linux_regs->tpc = addr;
|
||||
linux_regs->tnpc = addr + 4;
|
||||
}
|
||||
/* fallthru */
|
||||
|
||||
case 'D':
|
||||
case 'k':
|
||||
if (linux_regs->tpc == (unsigned long) arch_kgdb_breakpoint) {
|
||||
linux_regs->tpc = linux_regs->tnpc;
|
||||
linux_regs->tnpc += 4;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs)
|
||||
{
|
||||
unsigned long flags;
|
||||
|
||||
if (user_mode(regs)) {
|
||||
bad_trap(regs, trap_level);
|
||||
return;
|
||||
}
|
||||
|
||||
flushw_all();
|
||||
|
||||
local_irq_save(flags);
|
||||
kgdb_handle_exception(0x172, SIGTRAP, 0, regs);
|
||||
local_irq_restore(flags);
|
||||
}
|
||||
|
||||
int kgdb_arch_init(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
void kgdb_arch_exit(void)
|
||||
{
|
||||
}
|
||||
|
||||
struct kgdb_arch arch_kgdb_ops = {
|
||||
/* Breakpoint instruction: ta 0x72 */
|
||||
.gdb_bpt_instr = { 0x91, 0xd0, 0x20, 0x72 },
|
||||
};
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user