diff options
Diffstat (limited to 'arch/hexagon')
| -rw-r--r-- | arch/hexagon/include/asm/Kbuild | 2 | ||||
| -rw-r--r-- | arch/hexagon/include/asm/syscalls.h | 6 | ||||
| -rw-r--r-- | arch/hexagon/include/asm/unistd.h | 10 | ||||
| -rw-r--r-- | arch/hexagon/include/uapi/asm/Kbuild | 2 | ||||
| -rw-r--r-- | arch/hexagon/include/uapi/asm/unistd.h | 13 | ||||
| -rw-r--r-- | arch/hexagon/kernel/Makefile.syscalls | 3 | ||||
| -rw-r--r-- | arch/hexagon/kernel/syscalltab.c | 15 | ||||
| -rw-r--r-- | arch/hexagon/kernel/vdso.c | 14 |
8 files changed, 49 insertions, 16 deletions
diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild index 3ece3c93fe08..8c1a78c8f527 100644 --- a/arch/hexagon/include/asm/Kbuild +++ b/arch/hexagon/include/asm/Kbuild @@ -1,4 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 +syscall-y += syscall_table_32.h + generic-y += extable.h generic-y += iomap.h generic-y += kvm_para.h diff --git a/arch/hexagon/include/asm/syscalls.h b/arch/hexagon/include/asm/syscalls.h new file mode 100644 index 000000000000..40f2d08bec92 --- /dev/null +++ b/arch/hexagon/include/asm/syscalls.h @@ -0,0 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include <asm-generic/syscalls.h> + +asmlinkage long sys_hexagon_fadvise64_64(int fd, int advice, + u32 a2, u32 a3, u32 a4, u32 a5); diff --git a/arch/hexagon/include/asm/unistd.h b/arch/hexagon/include/asm/unistd.h new file mode 100644 index 000000000000..1f462bade75c --- /dev/null +++ b/arch/hexagon/include/asm/unistd.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ + +#define __ARCH_WANT_STAT64 +#define __ARCH_WANT_SYS_CLONE +#define __ARCH_WANT_SYS_VFORK +#define __ARCH_WANT_SYS_FORK + +#define __ARCH_BROKEN_SYS_CLONE3 + +#include <uapi/asm/unistd.h> diff --git a/arch/hexagon/include/uapi/asm/Kbuild b/arch/hexagon/include/uapi/asm/Kbuild index e78470141932..2501e82a1a0a 100644 --- a/arch/hexagon/include/uapi/asm/Kbuild +++ b/arch/hexagon/include/uapi/asm/Kbuild @@ -1,2 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 +syscall-y += unistd_32.h + generic-y += ucontext.h diff --git a/arch/hexagon/include/uapi/asm/unistd.h b/arch/hexagon/include/uapi/asm/unistd.h index 432c4db1b623..a3b0cac25580 100644 --- a/arch/hexagon/include/uapi/asm/unistd.h +++ b/arch/hexagon/include/uapi/asm/unistd.h @@ -27,14 +27,7 @@ * See also: syscalltab.c */ -#define sys_mmap2 sys_mmap_pgoff -#define __ARCH_WANT_RENAMEAT -#define __ARCH_WANT_STAT64 -#define __ARCH_WANT_SET_GET_RLIMIT -#define __ARCH_WANT_SYS_EXECVE -#define __ARCH_WANT_SYS_CLONE -#define __ARCH_WANT_SYS_VFORK -#define __ARCH_WANT_SYS_FORK -#define __ARCH_WANT_TIME32_SYSCALLS +#include <asm/unistd_32.h> -#include <asm-generic/unistd.h> +#define __NR_sync_file_range2 84 +#undef __NR_sync_file_range diff --git a/arch/hexagon/kernel/Makefile.syscalls b/arch/hexagon/kernel/Makefile.syscalls new file mode 100644 index 000000000000..d2b7c5d44d95 --- /dev/null +++ b/arch/hexagon/kernel/Makefile.syscalls @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +syscall_abis_32 += hexagon time32 stat64 rlimit renameat diff --git a/arch/hexagon/kernel/syscalltab.c b/arch/hexagon/kernel/syscalltab.c index 0fadd582cfc7..b53e2eead4ac 100644 --- a/arch/hexagon/kernel/syscalltab.c +++ b/arch/hexagon/kernel/syscalltab.c @@ -11,9 +11,20 @@ #include <asm/syscall.h> -#undef __SYSCALL #define __SYSCALL(nr, call) [nr] = (call), +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) + +#define sys_mmap2 sys_mmap_pgoff + +SYSCALL_DEFINE6(hexagon_fadvise64_64, int, fd, int, advice, + SC_ARG64(offset), SC_ARG64(len)) +{ + return ksys_fadvise64_64(fd, SC_VAL64(loff_t, offset), SC_VAL64(loff_t, len), advice); +} +#define sys_fadvise64_64 sys_hexagon_fadvise64_64 + +#define sys_sync_file_range sys_sync_file_range2 void *sys_call_table[__NR_syscalls] = { -#include <asm/unistd.h> +#include <asm/syscall_table_32.h> }; diff --git a/arch/hexagon/kernel/vdso.c b/arch/hexagon/kernel/vdso.c index 2e4872d62124..8119084dc519 100644 --- a/arch/hexagon/kernel/vdso.c +++ b/arch/hexagon/kernel/vdso.c @@ -51,7 +51,11 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) { int ret; unsigned long vdso_base; + struct vm_area_struct *vma; struct mm_struct *mm = current->mm; + static struct vm_special_mapping vdso_mapping = { + .name = "[vdso]", + }; if (mmap_write_lock_killable(mm)) return -EINTR; @@ -66,16 +70,18 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) } /* MAYWRITE to allow gdb to COW and set breakpoints. */ - ret = install_special_mapping(mm, vdso_base, PAGE_SIZE, + vdso_mapping.pages = &vdso_page; + vma = _install_special_mapping(mm, vdso_base, PAGE_SIZE, VM_READ|VM_EXEC| VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC, - &vdso_page); + &vdso_mapping); - if (ret) + ret = PTR_ERR(vma); + if (IS_ERR(vma)) goto up_fail; mm->context.vdso = (void *)vdso_base; - + ret = 0; up_fail: mmap_write_unlock(mm); return ret; |