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target/xtensa linux-user support.
- small cleanup for xtensa registers dumping (-d cpu); - add support for debugging linux-user process with xtensa-linux-gdb (as opposed to xtensa-elf-gdb), which can only access unprivileged registers; - enable MTTCG for target/xtensa; - cleanup in linux-user/mmap area making sure that it works correctly with limited 30-bit-wide user address space; - import xtensa-specific definitions from the linux kernel, conditionalize user-only/softmmu-only code and add handlers for signals, exceptions, process/thread creation and core registers dumping. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAlqr9NsTHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRHjDD/9dQxuirsTjU+oO2OMU5YjDBF6Hy+KA O4hJoWh/jNyUzgZOAtmpbZmuB1GJ5gNDhl5lifEFIWtAqf/qi/M87ibCQbdjFQ+t sT+FVgSU9X16J9wBKtUPV4DBMeMvJenHtFlCCw6oZxF5cnqGXw7e4yQtn7/KI8jT ymu7hiCaGJJ4ao/FG8KbIs3iSpQcfbIN7kEfuL92tMNjVWWTnNVhPVxyg3Bojkib pRFELL/BO3Ud3P83BncA5TNp6O1rFwKRYBK9nwLGWrjFMEbomdT5LWSZuZK9UVN9 aLoC/GnvGCnvAth8E4L0dDOmyz9MRDJ5rYJoaxoEVYzvz8rexVyAjpC/zOrJVxuK xrgandQtrFGkp5NJD6QpM92b7YDyR1w1s24KlehZivzHoN83cN3CuCHLWcqgicza /x4r/OQ4uiSUTex2Cg2hVQJR6m1LkJKa94Mimrd7G/zCHSF/BDks170o5DpW7JT8 QWfYTtZg13auzPsgZmGE+/b1o5PBXhnlBPzD983X6u5cgS5RWyik3jhmp5rEx8wH sxV5kvMb96JlUDCuwPTu9zJhJ3rqbWtCR7+4Sh1PCcsr6vVgsV0EZHAapwrG5GPp pOxLlZ54ObK3oSW6SB8TnS1rEiGkBHMhSL1O6VdKOvAXFPCVZsIGBGTpuf6MEn6c hRg0iBGQ6GMUUw== =UCny -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/xtensa/tags/20180316-xtensa' into staging target/xtensa linux-user support. - small cleanup for xtensa registers dumping (-d cpu); - add support for debugging linux-user process with xtensa-linux-gdb (as opposed to xtensa-elf-gdb), which can only access unprivileged registers; - enable MTTCG for target/xtensa; - cleanup in linux-user/mmap area making sure that it works correctly with limited 30-bit-wide user address space; - import xtensa-specific definitions from the linux kernel, conditionalize user-only/softmmu-only code and add handlers for signals, exceptions, process/thread creation and core registers dumping. # gpg: Signature made Fri 16 Mar 2018 16:46:19 GMT # gpg: using RSA key 51F9CC91F83FA044 # gpg: Good signature from "Max Filippov <filippov@cadence.com>" # gpg: aka "Max Filippov <max.filippov@cogentembedded.com>" # gpg: aka "Max Filippov <jcmvbkbc@gmail.com>" # Primary key fingerprint: 2B67 854B 98E5 327D CDEB 17D8 51F9 CC91 F83F A044 * remotes/xtensa/tags/20180316-xtensa: MAINTAINERS: fix W: address for xtensa qemu-binfmt-conf.sh: add qemu-xtensa target/xtensa: add linux-user support linux-user: drop unused target_msync function linux-user: fix target_mprotect/target_munmap error return values linux-user: fix assertion in shmdt linux-user: fix mmap/munmap/mprotect/mremap/shmat target/xtensa: support MTTCG target/xtensa: use correct number of registers in gdbstub target/xtensa: mark register windows in the dump target/xtensa: dump correct physical registers Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # linux-user/syscall.c
This commit is contained in:
Peter Maydell
commit
e1e44a9916
26 changed files with 1790 additions and 75 deletions
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@ -71,7 +71,8 @@
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|| defined(TARGET_M68K) || defined(TARGET_CRIS) \
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|| defined(TARGET_S390X) \
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|| defined(TARGET_OPENRISC) || defined(TARGET_TILEGX) \
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|| defined(TARGET_NIOS2) || defined(TARGET_RISCV)
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|| defined(TARGET_NIOS2) || defined(TARGET_RISCV) \
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|| defined(TARGET_XTENSA)
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#define TARGET_IOC_SIZEBITS 14
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#define TARGET_IOC_DIRBITS 2
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@ -423,7 +424,7 @@ int do_sigaction(int sig, const struct target_sigaction *act,
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|| defined(TARGET_MICROBLAZE) \
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|| defined(TARGET_S390X) || defined(TARGET_OPENRISC) \
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|| defined(TARGET_TILEGX) || defined(TARGET_HPPA) || defined(TARGET_NIOS2) \
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|| defined(TARGET_RISCV)
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|| defined(TARGET_RISCV) || defined(TARGET_XTENSA)
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#if defined(TARGET_SPARC)
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#define TARGET_SA_NOCLDSTOP 8u
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@ -1379,6 +1380,18 @@ struct target_winsize {
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#define TARGET_MAP_NONBLOCK 0x20000 /* do not block on IO */
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#define TARGET_MAP_STACK 0x40000 /* ignored */
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#define TARGET_MAP_HUGETLB 0x80000 /* create a huge page mapping */
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#elif defined(TARGET_XTENSA)
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#define TARGET_MAP_FIXED 0x10 /* Interpret addr exactly */
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#define TARGET_MAP_ANONYMOUS 0x0800 /* don't use a file */
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#define TARGET_MAP_GROWSDOWN 0x1000 /* stack-like segment */
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#define TARGET_MAP_DENYWRITE 0x2000 /* ETXTBSY */
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#define TARGET_MAP_EXECUTABLE 0x4000 /* mark it as an executable */
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#define TARGET_MAP_LOCKED 0x8000 /* pages are locked */
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#define TARGET_MAP_NORESERVE 0x0400 /* don't check for reservations */
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#define TARGET_MAP_POPULATE 0x10000 /* populate (prefault) pagetables */
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#define TARGET_MAP_NONBLOCK 0x20000 /* do not block on IO */
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#define TARGET_MAP_STACK 0x40000
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#define TARGET_MAP_HUGETLB 0x80000 /* create a huge page mapping */
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#else
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#define TARGET_MAP_FIXED 0x10 /* Interpret addr exactly */
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#define TARGET_MAP_ANONYMOUS 0x20 /* don't use a file */
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@ -2080,6 +2093,51 @@ struct target_stat {
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abi_ulong target_st_ctime_nsec;
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unsigned int __unused[2];
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};
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#elif defined(TARGET_XTENSA)
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struct target_stat {
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abi_ulong st_dev;
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abi_ulong st_ino;
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unsigned int st_mode;
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unsigned int st_nlink;
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unsigned int st_uid;
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unsigned int st_gid;
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abi_ulong st_rdev;
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abi_long st_size;
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abi_ulong st_blksize;
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abi_ulong st_blocks;
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abi_ulong target_st_atime;
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abi_ulong target_st_atime_nsec;
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abi_ulong target_st_mtime;
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abi_ulong target_st_mtime_nsec;
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abi_ulong target_st_ctime;
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abi_ulong target_st_ctime_nsec;
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abi_ulong __unused4;
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abi_ulong __unused5;
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};
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#define TARGET_HAS_STRUCT_STAT64
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struct target_stat64 {
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uint64_t st_dev; /* Device */
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uint64_t st_ino; /* File serial number */
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unsigned int st_mode; /* File mode. */
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unsigned int st_nlink; /* Link count. */
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unsigned int st_uid; /* User ID of the file's owner. */
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unsigned int st_gid; /* Group ID of the file's group. */
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uint64_t st_rdev; /* Device number, if device. */
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int64_t st_size; /* Size of file, in bytes. */
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abi_ulong st_blksize; /* Optimal block size for I/O. */
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abi_ulong __unused2;
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uint64_t st_blocks; /* Number 512-byte blocks allocated. */
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abi_ulong target_st_atime; /* Time of last access. */
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abi_ulong target_st_atime_nsec;
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abi_ulong target_st_mtime; /* Time of last modification. */
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abi_ulong target_st_mtime_nsec;
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abi_ulong target_st_ctime; /* Time of last status change. */
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abi_ulong target_st_ctime_nsec;
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abi_ulong __unused4;
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abi_ulong __unused5;
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};
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#elif defined(TARGET_OPENRISC) || defined(TARGET_TILEGX) || \
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defined(TARGET_NIOS2) || defined(TARGET_RISCV)
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@ -2590,7 +2648,8 @@ struct target_flock64 {
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short l_whence;
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#if defined(TARGET_PPC) || defined(TARGET_X86_64) || defined(TARGET_MIPS) \
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|| defined(TARGET_SPARC) || defined(TARGET_HPPA) \
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|| defined(TARGET_MICROBLAZE) || defined(TARGET_TILEGX)
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|| defined(TARGET_MICROBLAZE) || defined(TARGET_TILEGX) \
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|| defined(TARGET_XTENSA)
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int __pad;
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#endif
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abi_llong l_start;
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