4f810186ab
1. update cv182x/cv183x configuration file 2. update cv181x/cv180x configuration file 3. update clk driver for cvitek 4. update dma driver for cvitek 5. update soc driver for cvitek 6. porting cvitek ion driver from kernel-4.19 7. compatible with riscv Change-Id: Icff9fafe0ebe7d6bab824bbadb952e08bdc66c19
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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#define __SYSCALL_COMPAT
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#include <linux/compat.h>
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#include <linux/syscalls.h>
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#include <asm/cacheflush.h>
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#include <asm-generic/mman-common.h>
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SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
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unsigned long, prot, unsigned long, flags,
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unsigned long, fd, unsigned long, offset)
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{
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if ((prot & PROT_WRITE) && (prot & PROT_EXEC))
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if (unlikely(!(prot & PROT_READ)))
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return -EINVAL;
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return ksys_mmap_pgoff(addr, len, prot, flags, fd, offset);
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}
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#define arg_u32p(name) u32, name##_lo, u32, name##_hi
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#define arg_u64(name) (((u64)name##_hi << 32) | \
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((u64)name##_lo & 0xffffffff))
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COMPAT_SYSCALL_DEFINE3(truncate64, const char __user *, pathname,
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arg_u32p(length))
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{
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return ksys_truncate(pathname, arg_u64(length));
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}
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COMPAT_SYSCALL_DEFINE3(ftruncate64, unsigned int, fd, arg_u32p(length))
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{
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return ksys_ftruncate(fd, arg_u64(length));
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}
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COMPAT_SYSCALL_DEFINE6(fallocate, int, fd, int, mode,
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arg_u32p(offset), arg_u32p(len))
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{
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return ksys_fallocate(fd, mode, arg_u64(offset), arg_u64(len));
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}
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COMPAT_SYSCALL_DEFINE5(pread64, unsigned int, fd, char __user *, buf,
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size_t, count, arg_u32p(pos))
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{
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return ksys_pread64(fd, buf, count, arg_u64(pos));
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}
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COMPAT_SYSCALL_DEFINE5(pwrite64, unsigned int, fd,
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const char __user *, buf, size_t, count, arg_u32p(pos))
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{
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return ksys_pwrite64(fd, buf, count, arg_u64(pos));
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}
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COMPAT_SYSCALL_DEFINE6(sync_file_range, int, fd, arg_u32p(offset),
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arg_u32p(nbytes), unsigned int, flags)
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{
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return ksys_sync_file_range(fd, arg_u64(offset), arg_u64(nbytes),
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flags);
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}
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COMPAT_SYSCALL_DEFINE4(readahead, int, fd, arg_u32p(offset),
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size_t, count)
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{
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return ksys_readahead(fd, arg_u64(offset), count);
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}
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COMPAT_SYSCALL_DEFINE6(fadvise64_64, int, fd, arg_u32p(offset),
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arg_u32p(len), int, advice)
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{
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return ksys_fadvise64_64(fd, arg_u64(offset), arg_u64(len), advice);
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}
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#undef __SYSCALL
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#define __SYSCALL(nr, call) [nr] = (call),
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asmlinkage long compat_sys_rt_sigreturn(void);
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asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t);
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const void *compat_sys_call_table[__NR_syscalls] = {
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[0 ... __NR_syscalls - 1] = sys_ni_syscall,
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#include <asm/unistd.h>
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};
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