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-rw-r--r--libc/sysdeps/linux/riscv64/bits/atomic.h170
-rw-r--r--libc/sysdeps/linux/riscv64/bits/fcntl.h7
-rw-r--r--libc/sysdeps/linux/riscv64/bits/shm.h18
-rw-r--r--libc/sysdeps/linux/riscv64/bits/uClibc_arch_features.h9
-rw-r--r--libc/sysdeps/linux/riscv64/bits/uClibc_page.h34
-rw-r--r--libc/sysdeps/linux/riscv64/bits/wordsize.h3
6 files changed, 226 insertions, 15 deletions
diff --git a/libc/sysdeps/linux/riscv64/bits/atomic.h b/libc/sysdeps/linux/riscv64/bits/atomic.h
new file mode 100644
index 000000000..8bf6abfac
--- /dev/null
+++ b/libc/sysdeps/linux/riscv64/bits/atomic.h
@@ -0,0 +1,170 @@
+/* Copyright (C) 2003-2017 Free Software Foundation, Inc.
+
+ 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. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _RISCV64_ATOMIC_MACHINE_H
+#define _RISCV64_ATOMIC_MACHINE_H 1
+
+#define typeof __typeof__
+
+#include <stdint.h>
+#include <sysdep.h>
+
+typedef int8_t atomic8_t;
+typedef int16_t atomic16_t;
+typedef int32_t atomic32_t;
+typedef int64_t atomic64_t;
+
+typedef uint8_t uatomic8_t;
+typedef uint16_t uatomic16_t;
+typedef uint32_t uatomic32_t;
+typedef uint64_t uatomic64_t;
+
+typedef intptr_t atomicptr_t;
+typedef uintptr_t uatomicptr_t;
+typedef intmax_t atomic_max_t;
+typedef uintmax_t uatomic_max_t;
+
+#define __HAVE_64B_ATOMICS 1
+#define USE_ATOMIC_COMPILER_BUILTINS 1
+
+/* Compare and exchange.
+ For all "bool" routines, we return FALSE if exchange succesful. */
+
+# define __arch_compare_and_exchange_bool_8_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ })
+
+# define __arch_compare_and_exchange_bool_16_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ })
+
+# define __arch_compare_and_exchange_bool_32_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ })
+
+# define __arch_compare_and_exchange_bool_64_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ !__atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ })
+
+# define __arch_compare_and_exchange_val_8_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ __oldval; \
+ })
+
+# define __arch_compare_and_exchange_val_16_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ __oldval; \
+ })
+
+# define __arch_compare_and_exchange_val_32_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ __oldval; \
+ })
+
+# define __arch_compare_and_exchange_val_64_int(mem, newval, oldval, model) \
+ ({ \
+ typeof (*mem) __oldval = (oldval); \
+ __atomic_compare_exchange_n (mem, (void *) &__oldval, newval, 0, \
+ model, __ATOMIC_RELAXED); \
+ __oldval; \
+ })
+
+
+/* Compare and exchange with "acquire" semantics, ie barrier after. */
+
+# define atomic_compare_and_exchange_bool_acq(mem, new, old) \
+ __atomic_bool_bysize (__arch_compare_and_exchange_bool, int, \
+ mem, new, old, __ATOMIC_ACQUIRE)
+
+# define atomic_compare_and_exchange_val_acq(mem, new, old) \
+ __atomic_val_bysize (__arch_compare_and_exchange_val, int, \
+ mem, new, old, __ATOMIC_ACQUIRE)
+
+/* Compare and exchange with "release" semantics, ie barrier before. */
+
+# define atomic_compare_and_exchange_val_rel(mem, new, old) \
+ __atomic_val_bysize (__arch_compare_and_exchange_val, int, \
+ mem, new, old, __ATOMIC_RELEASE)
+
+
+/* Atomic exchange (without compare). */
+
+# define __arch_exchange_8_int(mem, newval, model) \
+ __atomic_exchange_n (mem, newval, model)
+
+# define __arch_exchange_16_int(mem, newval, model) \
+ __atomic_exchange_n (mem, newval, model)
+
+# define __arch_exchange_32_int(mem, newval, model) \
+ __atomic_exchange_n (mem, newval, model)
+
+# define __arch_exchange_64_int(mem, newval, model) \
+ __atomic_exchange_n (mem, newval, model)
+
+# define atomic_exchange_acq(mem, value) \
+ __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_ACQUIRE)
+
+# define atomic_exchange_rel(mem, value) \
+ __atomic_val_bysize (__arch_exchange, int, mem, value, __ATOMIC_RELEASE)
+
+
+/* Atomically add value and return the previous (unincremented) value. */
+
+# define __arch_exchange_and_add_8_int(mem, value, model) \
+ __atomic_fetch_add (mem, value, model)
+
+# define __arch_exchange_and_add_16_int(mem, value, model) \
+ __atomic_fetch_add (mem, value, model)
+
+# define __arch_exchange_and_add_32_int(mem, value, model) \
+ __atomic_fetch_add (mem, value, model)
+
+# define __arch_exchange_and_add_64_int(mem, value, model) \
+ __atomic_fetch_add (mem, value, model)
+
+# define atomic_exchange_and_add_acq(mem, value) \
+ __atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \
+ __ATOMIC_ACQUIRE)
+
+# define atomic_exchange_and_add_rel(mem, value) \
+ __atomic_val_bysize (__arch_exchange_and_add, int, mem, value, \
+ __ATOMIC_RELEASE)
+
+/* Barrier macro. */
+#define atomic_full_barrier() __sync_synchronize()
+
+#endif
diff --git a/libc/sysdeps/linux/riscv64/bits/fcntl.h b/libc/sysdeps/linux/riscv64/bits/fcntl.h
index a08bbf5b5..a9d7c84e0 100644
--- a/libc/sysdeps/linux/riscv64/bits/fcntl.h
+++ b/libc/sysdeps/linux/riscv64/bits/fcntl.h
@@ -40,6 +40,7 @@
# define O_DIRECT 00040000 /* Direct disk access. */
# define O_NOATIME 01000000 /* Do not set atime. */
# define O_PATH 010000000 /* Resolve pathname but do not open file. */
+# define O_TMPFILE 020200000 /* Atomically create nameless file. */
#endif
#ifdef __USE_LARGEFILE64
@@ -88,11 +89,13 @@
# define F_SETLEASE 1024 /* Set a lease. */
# define F_GETLEASE 1025 /* Enquire what lease is active. */
# define F_NOTIFY 1026 /* Request notfications on a directory. */
-# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
- close-on-exit set on new fd. */
# define F_SETPIPE_SZ 1031 /* Set pipe page size array. */
# define F_GETPIPE_SZ 1032 /* Get pipe page size array. */
#endif
+#if defined __USE_XOPEN2K8 || defined __USE_GNU
+# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
+ close-on-exit set on new fd. */
+#endif
/* For F_[GET|SET]FL. */
#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
diff --git a/libc/sysdeps/linux/riscv64/bits/shm.h b/libc/sysdeps/linux/riscv64/bits/shm.h
index dbe4851f9..8a11c7050 100644
--- a/libc/sysdeps/linux/riscv64/bits/shm.h
+++ b/libc/sysdeps/linux/riscv64/bits/shm.h
@@ -38,16 +38,16 @@ struct shmid_ds
struct ipc_perm shm_perm; /* operation permission struct */
size_t shm_segsz; /* size of segment in bytes */
__time_t shm_atime; /* time of last shmat() */
- unsigned long int __unused1;
+ unsigned long int __uclibc_unused1;
__time_t shm_dtime; /* time of last shmdt() */
- unsigned long int __unused2;
+ unsigned long int __uclibc_unused2;
__time_t shm_ctime; /* time of last change by shmctl() */
- unsigned long int __unused3;
+ unsigned long int __uclibc_unused3;
__pid_t shm_cpid; /* pid of creator */
__pid_t shm_lpid; /* pid of last shmop */
shmatt_t shm_nattch; /* number of current attaches */
- unsigned long int __unused4;
- unsigned long int __unused5;
+ unsigned long int __uclibc_unused4;
+ unsigned long int __uclibc_unused5;
};
#ifdef __USE_MISC
@@ -69,10 +69,10 @@ struct shminfo
unsigned long int shmmni;
unsigned long int shmseg;
unsigned long int shmall;
- unsigned long int __unused1;
- unsigned long int __unused2;
- unsigned long int __unused3;
- unsigned long int __unused4;
+ unsigned long int __uclibc_unused1;
+ unsigned long int __uclibc_unused2;
+ unsigned long int __uclibc_unused3;
+ unsigned long int __uclibc_unused4;
};
struct shm_info
diff --git a/libc/sysdeps/linux/riscv64/bits/uClibc_arch_features.h b/libc/sysdeps/linux/riscv64/bits/uClibc_arch_features.h
index b754f3227..63b17770d 100644
--- a/libc/sysdeps/linux/riscv64/bits/uClibc_arch_features.h
+++ b/libc/sysdeps/linux/riscv64/bits/uClibc_arch_features.h
@@ -5,12 +5,15 @@
#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
#define _BITS_UCLIBC_ARCH_FEATURES_H
-#undef __UCLIBC_ABORT_INSTRUCTION__
+#define __UCLIBC_ABORT_INSTRUCTION__ "unimp"
/* can your target use syscall6() for mmap ? */
-#undef __UCLIBC_MMAP_HAS_6_ARGS__
+#define __UCLIBC_MMAP_HAS_6_ARGS__
-#define __UCLIBC_SYSCALL_ALIGN_64BIT__
+/* does your target use statx */
+#undef __UCLIBC_HAVE_STATX__
+
+#undef __UCLIBC_SYSCALL_ALIGN_64BIT__
/* does your target have a broken create_module() ? */
#define __UCLIBC_BROKEN_CREATE_MODULE__
diff --git a/libc/sysdeps/linux/riscv64/bits/uClibc_page.h b/libc/sysdeps/linux/riscv64/bits/uClibc_page.h
new file mode 100644
index 000000000..7282638ba
--- /dev/null
+++ b/libc/sysdeps/linux/riscv64/bits/uClibc_page.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 2004 Erik Andersen
+ *
+ * This 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/>.
+ */
+
+/* Supply an architecture specific value for PAGE_SIZE and friends. */
+
+#ifndef _UCLIBC_PAGE_H
+#define _UCLIBC_PAGE_H
+
+/* PAGE_SHIFT determines the page size -- in this case 4096 */
+#define PAGE_SHIFT 12
+#define PAGE_SIZE (1UL << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+/* Some architectures always use 12 as page shift for mmap2() eventhough the
+ * real PAGE_SHIFT != 12. Other architectures use the same value as
+ * PAGE_SHIFT...
+ */
+#define MMAP2_PAGE_SHIFT PAGE_SHIFT
+
+#endif /* _UCLIBC_PAGE_H */
diff --git a/libc/sysdeps/linux/riscv64/bits/wordsize.h b/libc/sysdeps/linux/riscv64/bits/wordsize.h
index 67a16ba62..1fc649aad 100644
--- a/libc/sysdeps/linux/riscv64/bits/wordsize.h
+++ b/libc/sysdeps/linux/riscv64/bits/wordsize.h
@@ -25,5 +25,6 @@
#if __riscv_xlen == 64
# define __WORDSIZE_TIME64_COMPAT32 1
#else
-# error "rv32i-based targets are not supported"
+# define __WORDSIZE_TIME64_COMPAT32 1
+// # warning "rv32i-based targets are experimental"
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 00:28:24 +0000