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https://github.com/Motorhead1991/qemu.git
synced 2025-08-04 08:13:54 -06:00
find -type f | xargs sed -i 's/[\t ]$//g' # on most files
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths
parent
bd494f4cbd
commit
5fafdf24ef
327 changed files with 4737 additions and 4738 deletions
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@ -1,6 +1,6 @@
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/*
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* mmap support for qemu
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*
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This program is free software; you can redistribute it and/or modify
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@ -52,7 +52,7 @@ int target_mprotect(target_ulong start, target_ulong len, int prot)
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return -EINVAL;
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if (len == 0)
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return 0;
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host_start = start & qemu_host_page_mask;
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host_end = HOST_PAGE_ALIGN(end);
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if (start > host_start) {
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@ -77,13 +77,13 @@ int target_mprotect(target_ulong start, target_ulong len, int prot)
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for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
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prot1 |= page_get_flags(addr);
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}
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ret = mprotect(g2h(host_end - qemu_host_page_size), qemu_host_page_size,
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ret = mprotect(g2h(host_end - qemu_host_page_size), qemu_host_page_size,
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prot1 & PAGE_BITS);
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if (ret != 0)
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return ret;
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host_end -= qemu_host_page_size;
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}
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/* handle the pages in the middle */
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if (host_start < host_end) {
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ret = mprotect(g2h(host_start), host_end - host_start, prot);
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@ -95,8 +95,8 @@ int target_mprotect(target_ulong start, target_ulong len, int prot)
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}
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/* map an incomplete host page */
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static int mmap_frag(target_ulong real_start,
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target_ulong start, target_ulong end,
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static int mmap_frag(target_ulong real_start,
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target_ulong start, target_ulong end,
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int prot, int flags, int fd, target_ulong offset)
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{
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target_ulong real_end, ret, addr;
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@ -112,10 +112,10 @@ static int mmap_frag(target_ulong real_start,
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if (addr < start || addr >= end)
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prot1 |= page_get_flags(addr);
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}
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if (prot1 == 0) {
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/* no page was there, so we allocate one */
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ret = (long)mmap(host_start, qemu_host_page_size, prot,
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ret = (long)mmap(host_start, qemu_host_page_size, prot,
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flags | MAP_ANONYMOUS, -1, 0);
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if (ret == -1)
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return ret;
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@ -134,10 +134,10 @@ static int mmap_frag(target_ulong real_start,
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/* adjust protection to be able to read */
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if (!(prot1 & PROT_WRITE))
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mprotect(host_start, qemu_host_page_size, prot1 | PROT_WRITE);
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/* read the corresponding file data */
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pread(fd, g2h(start), end - start, offset);
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/* put final protection */
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if (prot_new != (prot1 | PROT_WRITE))
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mprotect(host_start, qemu_host_page_size, prot_new);
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@ -151,7 +151,7 @@ static int mmap_frag(target_ulong real_start,
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}
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/* NOTE: all the constants are the HOST ones */
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long target_mmap(target_ulong start, target_ulong len, int prot,
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long target_mmap(target_ulong start, target_ulong len, int prot,
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int flags, int fd, target_ulong offset)
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{
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target_ulong ret, end, real_start, real_end, retaddr, host_offset, host_len;
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@ -167,7 +167,7 @@ long target_mmap(target_ulong start, target_ulong len, int prot,
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#ifdef DEBUG_MMAP
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{
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printf("mmap: start=0x%lx len=0x%lx prot=%c%c%c flags=",
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start, len,
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start, len,
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prot & PROT_READ ? 'r' : '-',
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prot & PROT_WRITE ? 'w' : '-',
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prot & PROT_EXEC ? 'x' : '-');
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@ -216,7 +216,7 @@ long target_mmap(target_ulong start, target_ulong len, int prot,
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/* ??? This needs fixing for remapping. */
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abort();
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host_len = HOST_PAGE_ALIGN(len) + qemu_host_page_size - TARGET_PAGE_SIZE;
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real_start = (long)mmap(g2h(real_start), host_len, PROT_NONE,
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real_start = (long)mmap(g2h(real_start), host_len, PROT_NONE,
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MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
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if (real_start == -1)
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return real_start;
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@ -238,13 +238,13 @@ abort();
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if (host_start == -1)
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return host_start;
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/* update start so that it points to the file position at 'offset' */
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if (!(flags & MAP_ANONYMOUS))
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if (!(flags & MAP_ANONYMOUS))
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host_start += offset - host_offset;
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start = h2g(host_start);
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goto the_end1;
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}
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}
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if (start & ~TARGET_PAGE_MASK) {
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errno = EINVAL;
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return -1;
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@ -263,8 +263,8 @@ abort();
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errno = EINVAL;
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return -1;
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}
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retaddr = target_mmap(start, len, prot | PROT_WRITE,
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MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS,
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retaddr = target_mmap(start, len, prot | PROT_WRITE,
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MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS,
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-1, 0);
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if (retaddr == -1)
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return retaddr;
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@ -295,15 +295,15 @@ abort();
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}
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/* handle the end of the mapping */
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if (end < real_end) {
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ret = mmap_frag(real_end - qemu_host_page_size,
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ret = mmap_frag(real_end - qemu_host_page_size,
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real_end - qemu_host_page_size, real_end,
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prot, flags, fd,
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prot, flags, fd,
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offset + real_end - qemu_host_page_size - start);
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if (ret == -1)
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return ret;
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real_end -= qemu_host_page_size;
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}
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/* map the middle (easier) */
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if (real_start < real_end) {
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unsigned long offset1;
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@ -311,7 +311,7 @@ abort();
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offset1 = 0;
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else
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offset1 = offset + real_start - start;
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ret = (long)mmap(g2h(real_start), real_end - real_start,
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ret = (long)mmap(g2h(real_start), real_end - real_start,
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prot, flags, fd, offset1);
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if (ret == -1)
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return ret;
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@ -367,7 +367,7 @@ int target_munmap(target_ulong start, target_ulong len)
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if (prot != 0)
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real_end -= qemu_host_page_size;
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}
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/* unmap what we can */
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if (real_start < real_end) {
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ret = munmap((void *)real_start, real_end - real_start);
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@ -381,7 +381,7 @@ int target_munmap(target_ulong start, target_ulong len)
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/* XXX: currently, we only handle MAP_ANONYMOUS and not MAP_FIXED
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blocks which have been allocated starting on a host page */
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long target_mremap(target_ulong old_addr, target_ulong old_size,
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long target_mremap(target_ulong old_addr, target_ulong old_size,
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target_ulong new_size, unsigned long flags,
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target_ulong new_addr)
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{
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@ -410,7 +410,7 @@ int target_msync(target_ulong start, target_ulong len, int flags)
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return -EINVAL;
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if (end == start)
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return 0;
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start &= qemu_host_page_mask;
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return msync(g2h(start), end - start, flags);
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}
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