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| author | Andrew Waterman <andrew@sifive.com> | 2016-11-13 17:52:34 -0800 |
|---|---|---|
| committer | Andrew Waterman <andrew@sifive.com> | 2016-11-13 17:52:34 -0800 |
| commit | 8039c6cacb5f4627b6085cda1e5c8db8ef70b9d6 (patch) | |
| tree | 8c408763a0feda5a7467f996faf619cfb6beeb55 | |
| parent | 55ce524e7407bde35ca7a270de10caf0f73fb9da (diff) | |
| download | riscv-pk-8039c6cacb5f4627b6085cda1e5c8db8ef70b9d6.zip riscv-pk-8039c6cacb5f4627b6085cda1e5c8db8ef70b9d6.tar.gz riscv-pk-8039c6cacb5f4627b6085cda1e5c8db8ef70b9d6.tar.bz2 | |
For RV32, mmap offset is in 4 KiB increments
| -rw-r--r-- | pk/syscall.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/pk/syscall.c b/pk/syscall.c index c5f650c..e6b2454 100644 --- a/pk/syscall.c +++ b/pk/syscall.c @@ -320,8 +320,12 @@ int sys_getuid() uintptr_t sys_mmap(uintptr_t addr, size_t length, int prot, int flags, int fd, off_t offset) { - uintptr_t ret = do_mmap(addr, length, prot, flags, fd, offset); - return ret; +#ifdef __riscv32 + if (offset != (offset << 12 >> 12)) + return -ENXIO; + offset <<= 12; +#endif + return do_mmap(addr, length, prot, flags, fd, offset); } int sys_munmap(uintptr_t addr, size_t length) |