diff options
Diffstat (limited to 'linux-user/main.c')
| -rw-r--r-- | linux-user/main.c | 35 |
1 files changed, 6 insertions, 29 deletions
diff --git a/linux-user/main.c b/linux-user/main.c index 9d921aa4f0..63c1249576 100644 --- a/linux-user/main.c +++ b/linux-user/main.c @@ -3516,39 +3516,16 @@ int main(int argc, char **argv, char **envp) */ guest_base = HOST_PAGE_ALIGN(guest_base); - if (reserved_va) { - void *p; - int flags; - - flags = MAP_ANONYMOUS | MAP_PRIVATE | MAP_NORESERVE; - if (have_guest_base) { - flags |= MAP_FIXED; - } - p = mmap((void *)guest_base, reserved_va, PROT_NONE, flags, -1, 0); - if (p == MAP_FAILED) { + if (reserved_va || have_guest_base) { + guest_base = init_guest_space(guest_base, reserved_va, 0, + have_guest_base); + if (guest_base == (unsigned long)-1) { fprintf(stderr, "Unable to reserve guest address space\n"); exit(1); } - guest_base = (unsigned long)p; - /* Make sure the address is properly aligned. */ - if (guest_base & ~qemu_host_page_mask) { - munmap(p, reserved_va); - p = mmap((void *)guest_base, reserved_va + qemu_host_page_size, - PROT_NONE, flags, -1, 0); - if (p == MAP_FAILED) { - fprintf(stderr, "Unable to reserve guest address space\n"); - exit(1); - } - guest_base = HOST_PAGE_ALIGN((unsigned long)p); - } - qemu_log("Reserved 0x%lx bytes of guest address space\n", reserved_va); - mmap_next_start = reserved_va; - } - if (reserved_va || have_guest_base) { - if (!guest_validate_base(guest_base)) { - fprintf(stderr, "Guest base/Reserved VA rejected by guest code\n"); - exit(1); + if (reserved_va) { + mmap_next_start = reserved_va; } } #endif /* CONFIG_USE_GUEST_BASE */ |