summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--extra/Configs/Config.in4
-rw-r--r--libc/sysdeps/linux/hppa/bits/atomic.h7
-rw-r--r--libc/sysdeps/linux/hppa/bits/mman.h122
-rw-r--r--libc/sysdeps/linux/hppa/sys/procfs.h16
-rw-r--r--libc/sysdeps/linux/hppa/sys/user.h1
-rw-r--r--libpthread/linuxthreads.old/sysdeps/hppa/pspinlock.c80
-rw-r--r--libpthread/linuxthreads.old/sysdeps/hppa/pt-machine.h59
7 files changed, 226 insertions, 63 deletions
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
index 25b512677..3afc2912d 100644
--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -70,8 +70,8 @@ config TARGET_cris
config TARGET_h8300
bool "h8300"
-#config TARGET_hppa
-# bool "hppa"
+config TARGET_hppa
+ bool "hppa"
config TARGET_i386
bool "i386"
diff --git a/libc/sysdeps/linux/hppa/bits/atomic.h b/libc/sysdeps/linux/hppa/bits/atomic.h
index 0bf5a6a5f..9890af2f0 100644
--- a/libc/sysdeps/linux/hppa/bits/atomic.h
+++ b/libc/sysdeps/linux/hppa/bits/atomic.h
@@ -20,7 +20,7 @@
#include <errno.h>
#include <bits/kernel-features.h>
-#define ABORT_INSTRUCTION __asm__(__UCLIBC_ABORT_INSTRUCTION__)
+#define ABORT_INSTRUCTION __asm__("iitlbp %r0,(%sr0, %r0)")
/* We need EFAULT, ENOSYS */
#if !defined EFAULT && !defined ENOSYS
@@ -58,7 +58,6 @@ typedef uintmax_t uatomic_max_t;
#define LWS_CLOBBER "r1", "r26", "r25", "r24", "r23", "r22", "r21", "r20", "r28", "r31", "memory"
#define ASM_EAGAIN "11"
-#if __ASSUME_LWS_CAS
/* The only basic operation needed is compare and exchange. */
# define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
({ \
@@ -94,10 +93,6 @@ typedef uintmax_t uatomic_max_t;
/* Return 1 if it was already acquired */ \
(ret != oldval); \
})
-#else
-# error __ASSUME_LWS_CAS is required to build uClibc.
-#endif
-/* __ASSUME_LWS_CAS */
#endif
/* _BITS_ATOMIC_H */
diff --git a/libc/sysdeps/linux/hppa/bits/mman.h b/libc/sysdeps/linux/hppa/bits/mman.h
index ca2787f7d..cbde4b8d4 100644
--- a/libc/sysdeps/linux/hppa/bits/mman.h
+++ b/libc/sysdeps/linux/hppa/bits/mman.h
@@ -1,5 +1,5 @@
/* Definitions for POSIX memory map interface. Linux/HPPA version.
- Copyright (C) 1997, 1998, 2000, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1997-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -13,19 +13,19 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
+ License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef _SYS_MMAN_H
# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
#endif
-/* these are basically taken from the kernel definitions */
+/* These are taken from the kernel definitions. */
-#define PROT_READ 0x1 /* page can be read */
-#define PROT_WRITE 0x2 /* page can be written */
-#define PROT_EXEC 0x4 /* page can be executed */
-#define PROT_NONE 0x0 /* page can not be accessed */
+#define PROT_READ 0x1 /* Page can be read */
+#define PROT_WRITE 0x2 /* Page can be written */
+#define PROT_EXEC 0x4 /* Page can be executed */
+#define PROT_NONE 0x0 /* Page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* Extend change to start of
growsdown vma (mprotect only). */
#define PROT_GROWSUP 0x02000000 /* Extend change to start of
@@ -33,61 +33,83 @@
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
-#define MAP_TYPE 0x03 /* Mask for type of mapping */
+#ifdef __USE_MISC
+# define MAP_TYPE 0x03 /* Mask for type of mapping */
+#endif
+
+/* Other flags. */
#define MAP_FIXED 0x04 /* Interpret addr exactly */
-#define MAP_ANONYMOUS 0x10 /* don't use a file */
+#ifdef __USE_MISC
+# define MAP_FILE 0x0
+# define MAP_ANONYMOUS 0x10 /* Don't use a file */
+# define MAP_ANON MAP_ANONYMOUS
+# define MAP_VARIABLE 0
+/* When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size. */
+# define MAP_HUGE_SHIFT 26
+# define MAP_HUGE_MASK 0x3f
+#endif
+
+/* These are Linux-specific. */
+#ifdef __USE_MISC
+# define MAP_DENYWRITE 0x0800 /* ETXTBSY */
+# define MAP_EXECUTABLE 0x1000 /* Mark it as an executable */
+# define MAP_LOCKED 0x2000 /* Pages are locked */
+# define MAP_NORESERVE 0x4000 /* Don't check for reservations */
+# define MAP_GROWSDOWN 0x8000 /* Stack-like segment */
+# define MAP_POPULATE 0x10000 /* Populate (prefault) pagetables */
+# define MAP_NONBLOCK 0x20000 /* Do not block on IO */
+#endif
-#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
-#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
-#define MAP_LOCKED 0x2000 /* pages are locked */
-#define MAP_NORESERVE 0x4000 /* don't check for reservations */
-#define MAP_GROWSDOWN 0x8000 /* stack-like segment */
-#define MAP_POPULATE 0x10000 /* populate (prefault) pagetables */
-#define MAP_NONBLOCK 0x20000 /* do not block on IO */
-#define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could
- be uninitialized. */
+/* Flags to "msync" */
+#define MS_SYNC 1 /* Synchronous memory sync */
+#define MS_ASYNC 2 /* Sync memory asynchronously */
+#define MS_INVALIDATE 4 /* Invalidate the caches */
-#define MS_SYNC 1 /* synchronous memory sync */
-#define MS_ASYNC 2 /* sync memory asynchronously */
-#define MS_INVALIDATE 4 /* invalidate the caches */
+/* Flags to "mlockall" */
+#define MCL_CURRENT 1 /* Lock all current mappings */
+#define MCL_FUTURE 2 /* Lock all future mappings */
-#define MCL_CURRENT 1 /* lock all current mappings */
-#define MCL_FUTURE 2 /* lock all future mappings */
+/* Flags for `mremap'. */
+#ifdef __USE_GNU
+# define MREMAP_MAYMOVE 1
+# define MREMAP_FIXED 2
+#endif
-/* Advice to "madvise" */
-#ifdef __USE_BSD
-# define MADV_NORMAL 0 /* no further special treatment */
-# define MADV_RANDOM 1 /* expect random page references */
-# define MADV_SEQUENTIAL 2 /* expect sequential page references */
-# define MADV_WILLNEED 3 /* will need these pages */
-# define MADV_DONTNEED 4 /* dont need these pages */
-# define MADV_SPACEAVAIL 5 /* insure that resources are reserved */
+/* Advice to "madvise" */
+#ifdef __USE_MISC
+# define MADV_NORMAL 0 /* No further special treatment */
+# define MADV_RANDOM 1 /* Expect random page references */
+# define MADV_SEQUENTIAL 2 /* Expect sequential page references */
+# define MADV_WILLNEED 3 /* Will need these pages */
+# define MADV_DONTNEED 4 /* Dont need these pages */
+# define MADV_SPACEAVAIL 5 /* Insure that resources are reserved */
# define MADV_VPS_PURGE 6 /* Purge pages from VM page cache */
# define MADV_VPS_INHERIT 7 /* Inherit parents page size */
# define MADV_REMOVE 9 /* Remove these pages and resources. */
# define MADV_DONTFORK 10 /* Do not inherit across fork. */
# define MADV_DOFORK 11 /* Do inherit across fork. */
+# define MADV_MERGEABLE 65 /* KSM may merge identical pages */
+# define MADV_UNMERGEABLE 66 /* KSM may not merge identical pages */
#endif
/* The range 12-64 is reserved for page size specification. */
-#define MADV_4K_PAGES 12 /* Use 4K pages */
-#define MADV_16K_PAGES 14 /* Use 16K pages */
-#define MADV_64K_PAGES 16 /* Use 64K pages */
-#define MADV_256K_PAGES 18 /* Use 256K pages */
-#define MADV_1M_PAGES 20 /* Use 1 Megabyte pages */
-#define MADV_4M_PAGES 22 /* Use 4 Megabyte pages */
-#define MADV_16M_PAGES 24 /* Use 16 Megabyte pages */
-#define MADV_64M_PAGES 26 /* Use 64 Megabyte pages */
-
-/* compatibility flags */
-#define MAP_ANON MAP_ANONYMOUS
-#define MAP_FILE 0
-#define MAP_VARIABLE 0
-
-/* Flags for `mremap'. */
-#ifdef __USE_GNU
-# define MREMAP_MAYMOVE 1
-# define MREMAP_FIXED 2
+/* These are Linux-specific. */
+#ifdef __USE_MISC
+# define MADV_4K_PAGES 12 /* Use 4K pages. */
+# define MADV_16K_PAGES 14 /* Use 16K pages. */
+# define MADV_64K_PAGES 16 /* Use 64K pages. */
+# define MADV_256K_PAGES 18 /* Use 256K pages. */
+# define MADV_1M_PAGES 20 /* Use 1 Megabyte pages. */
+# define MADV_4M_PAGES 22 /* Use 4 Megabyte pages. */
+# define MADV_16M_PAGES 24 /* Use 16 Megabyte pages. */
+# define MADV_64M_PAGES 26 /* Use 64 Megabyte pages. */
#endif
-
+/* The POSIX people had to invent similar names for the same things. */
+#ifdef __USE_XOPEN2K
+# define POSIX_MADV_NORMAL 0 /* No further special treatment. */
+# define POSIX_MADV_RANDOM 1 /* Expect random page references. */
+# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */
+# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */
+#endif
diff --git a/libc/sysdeps/linux/hppa/sys/procfs.h b/libc/sysdeps/linux/hppa/sys/procfs.h
index 24e4c3174..8d12dfb65 100644
--- a/libc/sysdeps/linux/hppa/sys/procfs.h
+++ b/libc/sysdeps/linux/hppa/sys/procfs.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -12,7 +12,7 @@
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
+ License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef _SYS_PROCFS_H
@@ -28,15 +28,21 @@
GDB unless you know what you are doing. */
#include <features.h>
-#include <signal.h>
#include <sys/time.h>
#include <sys/types.h>
-#include <sys/ucontext.h>
#include <sys/user.h>
-#include <asm/elf.h>
__BEGIN_DECLS
+typedef unsigned long elf_greg_t;
+#define ELF_NGREG 80 /* We only need 64 at present, but leave space
+ for expansion. */
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+#define ELF_NFPREG 32
+typedef double elf_fpreg_t;
+typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
+
struct elf_siginfo
{
int si_signo; /* Signal number. */
diff --git a/libc/sysdeps/linux/hppa/sys/user.h b/libc/sysdeps/linux/hppa/sys/user.h
new file mode 100644
index 000000000..c871f1a03
--- /dev/null
+++ b/libc/sysdeps/linux/hppa/sys/user.h
@@ -0,0 +1 @@
+/* This file is not needed, but in practice gdb might try to include it. */
diff --git a/libpthread/linuxthreads.old/sysdeps/hppa/pspinlock.c b/libpthread/linuxthreads.old/sysdeps/hppa/pspinlock.c
new file mode 100644
index 000000000..1a6aa64a9
--- /dev/null
+++ b/libpthread/linuxthreads.old/sysdeps/hppa/pspinlock.c
@@ -0,0 +1,80 @@
+/* POSIX spinlock implementation. hppa version.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <pthread.h>
+#include "internals.h"
+
+int
+__pthread_spin_lock (pthread_spinlock_t *lock)
+{
+ unsigned int val;
+
+ do
+ __asm__ __volatile__ ("ldcw %1,%0"
+ : "=r" (val), "=m" (*lock)
+ : "m" (*lock));
+ while (!val);
+
+ return 0;
+}
+weak_alias (__pthread_spin_lock, pthread_spin_lock)
+
+
+int
+__pthread_spin_trylock (pthread_spinlock_t *lock)
+{
+ unsigned int val;
+
+ __asm__ __volatile__ ("ldcw %1,%0"
+ : "=r" (val), "=m" (*lock)
+ : "m" (*lock));
+
+ return val ? 0 : EBUSY;
+}
+weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
+
+
+int
+__pthread_spin_unlock (pthread_spinlock_t *lock)
+{
+ *lock = 1;
+ return 0;
+}
+weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
+
+
+int
+__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
+{
+ /* We can ignore the `pshared' parameter. Since we are busy-waiting
+ all processes which can access the memory location `lock' points
+ to can use the spinlock. */
+ *lock = 1;
+ return 0;
+}
+weak_alias (__pthread_spin_init, pthread_spin_init)
+
+
+int
+__pthread_spin_destroy (pthread_spinlock_t *lock)
+{
+ /* Nothing to do. */
+ return 0;
+}
+weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
diff --git a/libpthread/linuxthreads.old/sysdeps/hppa/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/hppa/pt-machine.h
new file mode 100644
index 000000000..85c453c77
--- /dev/null
+++ b/libpthread/linuxthreads.old/sysdeps/hppa/pt-machine.h
@@ -0,0 +1,59 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ hppa version.
+ Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Richard Henderson <rth@tamu.edu>.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H 1
+
+#include <features.h>
+#include <bits/initspin.h>
+
+#ifndef PT_EI
+# define PT_EI __extern_always_inline
+#endif
+
+/* Get some notion of the current stack. Need not be exactly the top
+ of the stack, just something somewhere in the current frame. */
+#define CURRENT_STACK_FRAME stack_pointer
+register char * stack_pointer __asm__ ("%r30");
+
+
+/* The hppa only has one atomic read and modify memory operation,
+ load and clear, so hppa spinlocks must use zero to signify that
+ someone is holding the lock. */
+
+#define xstr(s) str(s)
+#define str(s) #s
+/* Spinlock implementation; required. */
+PT_EI long int
+testandset (int *spinlock)
+{
+ int ret;
+
+ __asm__ __volatile__(
+ "ldcw 0(%2),%0"
+ : "=r"(ret), "=m"(*spinlock)
+ : "r"(spinlock));
+
+ return ret == 0;
+}
+#undef str
+#undef xstr
+
+#endif /* pt-machine.h */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 09:38:10 +0000