Drop darwin-user

It's been orphaned, not compiling for a long time and despite Apple's
drop of their Rosetta ppc emulation technology with Mac OS X Lion no one
has stepped up to fix it.

Testing necessary changes wrt QOM'ification thus is impossible, so we
might as well remove it completely.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 0 insertions, 409 deletions

diff --git a/darwin-user/mmap.c b/darwin-user/mmap.c
deleted file mode 100644
index d840b28d38..0000000000
--- a/darwin-user/mmap.c
+++ /dev/null
@@ -1,409 +0,0 @@
-/*
- *  mmap support for qemu
- *
- *  Copyright (c) 2003 Fabrice Bellard
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program 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 General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/mman.h>
-
-#include "qemu.h"
-
-//#define DEBUG_MMAP
-
-/* NOTE: all the constants are the HOST ones */
-int target_mprotect(unsigned long start, unsigned long len, int prot)
-{
-    unsigned long end, host_start, host_end, addr;
-    int prot1, ret;
-
-#ifdef DEBUG_MMAP
-    printf("mprotect: start=0x%lx len=0x%lx prot=%c%c%c\n", start, len,
-           prot & PROT_READ ? 'r' : '-',
-           prot & PROT_WRITE ? 'w' : '-',
-           prot & PROT_EXEC ? 'x' : '-');
-#endif
-
-    if ((start & ~TARGET_PAGE_MASK) != 0)
-        return -EINVAL;
-    len = TARGET_PAGE_ALIGN(len);
-    end = start + len;
-    if (end < start)
-        return -EINVAL;
-    if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC))
-        return -EINVAL;
-    if (len == 0)
-        return 0;
-
-    host_start = start & qemu_host_page_mask;
-    host_end = HOST_PAGE_ALIGN(end);
-    if (start > host_start) {
-        /* handle host page containing start */
-        prot1 = prot;
-        for(addr = host_start; addr < start; addr += TARGET_PAGE_SIZE) {
-            prot1 |= page_get_flags(addr);
-        }
-        if (host_end == host_start + qemu_host_page_size) {
-            for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
-                prot1 |= page_get_flags(addr);
-            }
-            end = host_end;
-        }
-        ret = mprotect((void *)host_start, qemu_host_page_size, prot1 & PAGE_BITS);
-        if (ret != 0)
-            return ret;
-        host_start += qemu_host_page_size;
-    }
-    if (end < host_end) {
-        prot1 = prot;
-        for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
-            prot1 |= page_get_flags(addr);
-        }
-        ret = mprotect((void *)(host_end - qemu_host_page_size), qemu_host_page_size,
-                       prot1 & PAGE_BITS);
-        if (ret != 0)
-            return ret;
-        host_end -= qemu_host_page_size;
-    }
-
-    /* handle the pages in the middle */
-    if (host_start < host_end) {
-        ret = mprotect((void *)host_start, host_end - host_start, prot);
-        if (ret != 0)
-            return ret;
-    }
-    page_set_flags(start, start + len, prot | PAGE_VALID);
-    return 0;
-}
-
-/* map an incomplete host page */
-int mmap_frag(unsigned long host_start,
-               unsigned long start, unsigned long end,
-               int prot, int flags, int fd, unsigned long offset)
-{
-    unsigned long host_end, ret, addr;
-    int prot1, prot_new;
-
-    host_end = host_start + qemu_host_page_size;
-
-    /* get the protection of the target pages outside the mapping */
-    prot1 = 0;
-    for(addr = host_start; addr < host_end; addr++) {
-        if (addr < start || addr >= end)
-            prot1 |= page_get_flags(addr);
-    }
-
-    if (prot1 == 0) {
-        /* no page was there, so we allocate one */
-        ret = (long)mmap((void *)host_start, qemu_host_page_size, prot,
-                         flags | MAP_ANONYMOUS, -1, 0);
-        if (ret == -1)
-            return ret;
-    }
-    prot1 &= PAGE_BITS;
-
-    prot_new = prot | prot1;
-    if (!(flags & MAP_ANONYMOUS)) {
-        /* msync() won't work here, so we return an error if write is
-           possible while it is a shared mapping */
-#ifndef __APPLE__
-        if ((flags & MAP_TYPE) == MAP_SHARED &&
-#else
-        if ((flags &  MAP_SHARED) &&
-#endif
-            (prot & PROT_WRITE))
-            return -1;
-
-        /* adjust protection to be able to read */
-        if (!(prot1 & PROT_WRITE))
-            mprotect((void *)host_start, qemu_host_page_size, prot1 | PROT_WRITE);
-
-        /* read the corresponding file data */
-        pread(fd, (void *)start, end - start, offset);
-
-        /* put final protection */
-        if (prot_new != (prot1 | PROT_WRITE))
-            mprotect((void *)host_start, qemu_host_page_size, prot_new);
-    } else {
-        /* just update the protection */
-        if (prot_new != prot1) {
-            mprotect((void *)host_start, qemu_host_page_size, prot_new);
-        }
-    }
-    return 0;
-}
-
-/* NOTE: all the constants are the HOST ones */
-long target_mmap(unsigned long start, unsigned long len, int prot,
-                 int flags, int fd, unsigned long offset)
-{
-    unsigned long ret, end, host_start, host_end, retaddr, host_offset, host_len;
-#if defined(__alpha__) || defined(__sparc__) || defined(__x86_64__)
-    static unsigned long last_start = 0x40000000;
-#endif
-
-#ifdef DEBUG_MMAP
-    {
-        printf("mmap: start=0x%lx len=0x%lx prot=%c%c%c flags=",
-               start, len,
-               prot & PROT_READ ? 'r' : '-',
-               prot & PROT_WRITE ? 'w' : '-',
-               prot & PROT_EXEC ? 'x' : '-');
-        if (flags & MAP_FIXED)
-            printf("MAP_FIXED ");
-        if (flags & MAP_ANONYMOUS)
-            printf("MAP_ANON ");
-#ifndef MAP_TYPE
-# define MAP_TYPE 0x3
-#endif
-        switch(flags & MAP_TYPE) {
-        case MAP_PRIVATE:
-            printf("MAP_PRIVATE ");
-            break;
-        case MAP_SHARED:
-            printf("MAP_SHARED ");
-            break;
-        default:
-            printf("[MAP_TYPE=0x%x] ", flags & MAP_TYPE);
-            break;
-        }
-        printf("fd=%d offset=%lx\n", fd, offset);
-    }
-#endif
-
-    if (offset & ~TARGET_PAGE_MASK)
-        return -EINVAL;
-
-    len = TARGET_PAGE_ALIGN(len);
-    if (len == 0)
-        return start;
-    host_start = start & qemu_host_page_mask;
-
-    if (!(flags & MAP_FIXED)) {
-#if defined(__alpha__) || defined(__sparc__) || defined(__x86_64__)
-        /* tell the kernel to search at the same place as i386 */
-        if (host_start == 0) {
-            host_start = last_start;
-            last_start += HOST_PAGE_ALIGN(len);
-        }
-#endif
-        if (qemu_host_page_size != qemu_real_host_page_size) {
-            /* NOTE: this code is only for debugging with '-p' option */
-            /* reserve a memory area */
-            host_len = HOST_PAGE_ALIGN(len) + qemu_host_page_size - TARGET_PAGE_SIZE;
-            host_start = (long)mmap((void *)host_start, host_len, PROT_NONE,
-                                    MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-            if (host_start == -1)
-                return host_start;
-            host_end = host_start + host_len;
-            start = HOST_PAGE_ALIGN(host_start);
-            end = start + HOST_PAGE_ALIGN(len);
-            if (start > host_start)
-                munmap((void *)host_start, start - host_start);
-            if (end < host_end)
-                munmap((void *)end, host_end - end);
-            /* use it as a fixed mapping */
-            flags |= MAP_FIXED;
-        } else {
-            /* if not fixed, no need to do anything */
-            host_offset = offset & qemu_host_page_mask;
-            host_len = len + offset - host_offset;
-            start = (long)mmap((void *)host_start, host_len,
-                               prot, flags, fd, host_offset);
-            if (start == -1)
-                return start;
-            /* update start so that it points to the file position at 'offset' */
-            if (!(flags & MAP_ANONYMOUS))
-                start += offset - host_offset;
-            goto the_end1;
-        }
-    }
-
-    if (start & ~TARGET_PAGE_MASK)
-        return -EINVAL;
-    end = start + len;
-    host_end = HOST_PAGE_ALIGN(end);
-
-    /* worst case: we cannot map the file because the offset is not
-       aligned, so we read it */
-    if (!(flags & MAP_ANONYMOUS) &&
-        (offset & ~qemu_host_page_mask) != (start & ~qemu_host_page_mask)) {
-        /* msync() won't work here, so we return an error if write is
-           possible while it is a shared mapping */
-#ifndef __APPLE__
-        if ((flags & MAP_TYPE) == MAP_SHARED &&
-#else
-        if ((flags & MAP_SHARED) &&
-#endif
-            (prot & PROT_WRITE))
-            return -EINVAL;
-        retaddr = target_mmap(start, len, prot | PROT_WRITE,
-                              MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS,
-                              -1, 0);
-        if (retaddr == -1)
-            return retaddr;
-        pread(fd, (void *)start, len, offset);
-        if (!(prot & PROT_WRITE)) {
-            ret = target_mprotect(start, len, prot);
-            if (ret != 0)
-                return ret;
-        }
-        goto the_end;
-    }
-
-    /* handle the start of the mapping */
-    if (start > host_start) {
-        if (host_end == host_start + qemu_host_page_size) {
-            /* one single host page */
-            ret = mmap_frag(host_start, start, end,
-                            prot, flags, fd, offset);
-            if (ret == -1)
-                return ret;
-            goto the_end1;
-        }
-        ret = mmap_frag(host_start, start, host_start + qemu_host_page_size,
-                        prot, flags, fd, offset);
-        if (ret == -1)
-            return ret;
-        host_start += qemu_host_page_size;
-    }
-    /* handle the end of the mapping */
-    if (end < host_end) {
-        ret = mmap_frag(host_end - qemu_host_page_size,
-                        host_end - qemu_host_page_size, host_end,
-                        prot, flags, fd,
-                        offset + host_end - qemu_host_page_size - start);
-        if (ret == -1)
-            return ret;
-        host_end -= qemu_host_page_size;
-    }
-
-    /* map the middle (easier) */
-    if (host_start < host_end) {
-        unsigned long offset1;
-	if (flags & MAP_ANONYMOUS)
-	  offset1 = 0;
-	else
-	  offset1 = offset + host_start - start;
-        ret = (long)mmap((void *)host_start, host_end - host_start,
-                         prot, flags, fd, offset1);
-        if (ret == -1)
-            return ret;
-    }
- the_end1:
-    page_set_flags(start, start + len, prot | PAGE_VALID);
- the_end:
-#ifdef DEBUG_MMAP
-    printf("target_mmap: ret=0x%lx\n", (long)start);
-    page_dump(stdout);
-    printf("\n");
-#endif
-    return start;
-}
-
-int target_munmap(unsigned long start, unsigned long len)
-{
-    unsigned long end, host_start, host_end, addr;
-    int prot, ret;
-
-#ifdef DEBUG_MMAP
-    printf("munmap: start=0x%lx len=0x%lx\n", start, len);
-#endif
-    if (start & ~TARGET_PAGE_MASK)
-        return -EINVAL;
-    len = TARGET_PAGE_ALIGN(len);
-    if (len == 0)
-        return -EINVAL;
-    end = start + len;
-    host_start = start & qemu_host_page_mask;
-    host_end = HOST_PAGE_ALIGN(end);
-
-    if (start > host_start) {
-        /* handle host page containing start */
-        prot = 0;
-        for(addr = host_start; addr < start; addr += TARGET_PAGE_SIZE) {
-            prot |= page_get_flags(addr);
-        }
-        if (host_end == host_start + qemu_host_page_size) {
-            for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
-                prot |= page_get_flags(addr);
-            }
-            end = host_end;
-        }
-        if (prot != 0)
-            host_start += qemu_host_page_size;
-    }
-    if (end < host_end) {
-        prot = 0;
-        for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
-            prot |= page_get_flags(addr);
-        }
-        if (prot != 0)
-            host_end -= qemu_host_page_size;
-    }
-
-    /* unmap what we can */
-    if (host_start < host_end) {
-        ret = munmap((void *)host_start, host_end - host_start);
-        if (ret != 0)
-            return ret;
-    }
-
-    page_set_flags(start, start + len, 0);
-    return 0;
-}
-
-/* XXX: currently, we only handle MAP_ANONYMOUS and not MAP_FIXED
-   blocks which have been allocated starting on a host page */
-long target_mremap(unsigned long old_addr, unsigned long old_size,
-                   unsigned long new_size, unsigned long flags,
-                   unsigned long new_addr)
-{
-#ifndef __APPLE__
-    /* XXX: use 5 args syscall */
-    new_addr = (long)mremap((void *)old_addr, old_size, new_size, flags);
-    if (new_addr == -1)
-        return new_addr;
-    prot = page_get_flags(old_addr);
-    page_set_flags(old_addr, old_addr + old_size, 0);
-    page_set_flags(new_addr, new_addr + new_size, prot | PAGE_VALID);
-    return new_addr;
-#else
-    qerror("target_mremap: unsupported\n");
-#endif
-
-}
-
-int target_msync(unsigned long start, unsigned long len, int flags)
-{
-    unsigned long end;
-
-    if (start & ~TARGET_PAGE_MASK)
-        return -EINVAL;
-    len = TARGET_PAGE_ALIGN(len);
-    end = start + len;
-    if (end < start)
-        return -EINVAL;
-    if (end == start)
-        return 0;
-
-    start &= qemu_host_page_mask;
-    return msync((void *)start, end - start, flags);
-}