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MIPS queue Aug 16, 2018

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Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-aug-2018' into staging

MIPS queue Aug 16, 2018

# gpg: Signature made Thu 16 Aug 2018 18:19:36 BST
# gpg:                using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01  DD75 D497 2A89 67F7 5A65

* remotes/amarkovic/tags/mips-queue-aug-2018:
  qemu-doc: Amend MIPS-related items
  linux-user: Add preprocessor availability control to some syscalls
  linux-user: Update MIPS syscall numbers up to kernel 4.18 headers
  elf: Add ELF flags for MIPS machine variants
  elf: Remove duplicate preprocessor constant definition
  target/mips: Check ELPA flag only in some cases of MFHC0 and MTHC0
  target/mips: Don't update BadVAddr register in Debug Mode
  target/mips: Implement CP0 Config1.WR bit functionality
  target/mips: Add CP0 BadInstrX register
  target/mips: Update some CP0 registers bit definitions
  target/mips: Fix two instances of shadow variables
  target/mips: Mark switch fallthroughs with interpretable comments
  target/mips: Avoid case statements formulated by ranges - part 2
  target/mips: Avoid case statements formulated by ranges - part 1
  MAINTAINERS: Update target/mips maintainer's email addresses

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-08-16 19:02:21 +01:00
commit b8f7ff1e10
13 changed files with 526 additions and 150 deletions
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29
linux-user/syscall.c
View file

@ -7286,6 +7286,9 @@ static inline int target_to_host_mlockall_arg(int arg)
}
#endif
#if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \
defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \
defined(TARGET_NR_newfstatat))
static inline abi_long host_to_target_stat64(void *cpu_env,
abi_ulong target_addr,
struct stat *host_st)
@ -7348,6 +7351,7 @@ static inline abi_long host_to_target_stat64(void *cpu_env,
return 0;
}
#endif
/* ??? Using host futex calls even when target atomic operations
are not really atomic probably breaks things. However implementing
@ -7996,8 +8000,15 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
{
CPUState *cpu = ENV_GET_CPU(cpu_env);
abi_long ret;
#if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \
|| defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \
|| defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64)
struct stat st;
#endif
#if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \
|| defined(TARGET_NR_fstatfs)
struct statfs stfs;
#endif
void *p;
#if defined(DEBUG_ERESTARTSYS)
@ -8365,9 +8376,11 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_oldstat:
goto unimplemented;
#endif
#ifdef TARGET_NR_lseek
case TARGET_NR_lseek:
ret = get_errno(lseek(arg1, arg2, arg3));
break;
#endif
#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
/* Alpha specific */
case TARGET_NR_getxpid:
@ -9251,6 +9264,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
ret = get_errno(sethostname(p, arg2));
unlock_user(p, arg1, 0);
break;
#ifdef TARGET_NR_setrlimit
case TARGET_NR_setrlimit:
{
int resource = target_to_host_resource(arg1);
@ -9264,6 +9278,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
ret = get_errno(setrlimit(resource, &rlim));
}
break;
#endif
#ifdef TARGET_NR_getrlimit
case TARGET_NR_getrlimit:
{
int resource = target_to_host_resource(arg1);
@ -9280,6 +9296,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
}
}
break;
#endif
case TARGET_NR_getrusage:
{
struct rusage rusage;
@ -9644,15 +9661,19 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
ret = get_errno(munlockall());
break;
#endif
#ifdef TARGET_NR_truncate
case TARGET_NR_truncate:
if (!(p = lock_user_string(arg1)))
goto efault;
ret = get_errno(truncate(p, arg2));
unlock_user(p, arg1, 0);
break;
#endif
#ifdef TARGET_NR_ftruncate
case TARGET_NR_ftruncate:
ret = get_errno(ftruncate(arg1, arg2));
break;
#endif
case TARGET_NR_fchmod:
ret = get_errno(fchmod(arg1, arg2));
break;
@ -9688,6 +9709,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_NR_profil:
goto unimplemented;
#endif
#ifdef TARGET_NR_statfs
case TARGET_NR_statfs:
if (!(p = lock_user_string(arg1)))
goto efault;
@ -9719,9 +9741,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
unlock_user_struct(target_stfs, arg2, 1);
}
break;
#endif
#ifdef TARGET_NR_fstatfs
case TARGET_NR_fstatfs:
ret = get_errno(fstatfs(arg1, &stfs));
goto convert_statfs;
#endif
#ifdef TARGET_NR_statfs64
case TARGET_NR_statfs64:
if (!(p = lock_user_string(arg1)))
@ -9969,6 +9994,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
unlock_user(p, arg1, 0);
goto do_stat;
#endif
#ifdef TARGET_NR_fstat
case TARGET_NR_fstat:
{
ret = get_errno(fstat(arg1, &st));
@ -9998,6 +10024,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
}
}
break;
#endif
#ifdef TARGET_NR_olduname
case TARGET_NR_olduname:
goto unimplemented;
@ -11004,6 +11031,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
break;
#ifdef CONFIG_SENDFILE
#ifdef TARGET_NR_sendfile
case TARGET_NR_sendfile:
{
off_t *offp = NULL;
@ -11024,6 +11052,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
}
break;
}
#endif
#ifdef TARGET_NR_sendfile64
case TARGET_NR_sendfile64:
{