Commit
68a1c816868b3e35a1da698af412b29e61b1948a broke qemu on hosts not
using guest base. It uses reserved_va unconditionally in mmap.c. To
avoid to many #ifdef #endif blocks, define RESERVED_VA as either
reserved_va or 0ul, and use it instead of reserved_va, similarly to what
has been done with guest_base/GUEST_BASE.
extern int have_guest_base;
extern unsigned long reserved_va;
#define GUEST_BASE guest_base
extern int have_guest_base;
extern unsigned long reserved_va;
#define GUEST_BASE guest_base
+#define RESERVED_VA reserved_va
#else
#define GUEST_BASE 0ul
#else
#define GUEST_BASE 0ul
#endif
/* All direct uses of g2h and h2g need to go away for usermode softmmu. */
#endif
/* All direct uses of g2h and h2g need to go away for usermode softmmu. */
int prot;
int looped = 0;
int prot;
int looped = 0;
- if (size > reserved_va) {
+ if (size > RESERVED_VA) {
return (abi_ulong)-1;
}
last_addr = start;
for (addr = start; last_addr + size != addr; addr += qemu_host_page_size) {
return (abi_ulong)-1;
}
last_addr = start;
for (addr = start; last_addr + size != addr; addr += qemu_host_page_size) {
- if (last_addr + size >= reserved_va
+ if (last_addr + size >= RESERVED_VA
|| (abi_ulong)(last_addr + size) < last_addr) {
if (looped) {
return (abi_ulong)-1;
|| (abi_ulong)(last_addr + size) < last_addr) {
if (looped) {
return (abi_ulong)-1;
size = HOST_PAGE_ALIGN(size);
size = HOST_PAGE_ALIGN(size);
return mmap_find_vma_reserved(start, size);
}
return mmap_find_vma_reserved(start, size);
}
ret = 0;
/* unmap what we can */
if (real_start < real_end) {
ret = 0;
/* unmap what we can */
if (real_start < real_end) {
mmap_reserve(real_start, real_end - real_start);
} else {
ret = munmap(g2h(real_start), real_end - real_start);
mmap_reserve(real_start, real_end - real_start);
} else {
ret = munmap(g2h(real_start), real_end - real_start);
- if (reserved_va && host_addr != MAP_FAILED) {
+ if (RESERVED_VA && host_addr != MAP_FAILED) {
/* If new and old addresses overlap then the above mremap will
already have failed with EINVAL. */
mmap_reserve(old_addr, old_size);
/* If new and old addresses overlap then the above mremap will
already have failed with EINVAL. */
mmap_reserve(old_addr, old_size);
- if (reserved_va && old_size < new_size) {
+ if (RESERVED_VA && old_size < new_size) {
abi_ulong addr;
for (addr = old_addr + old_size;
addr < old_addr + new_size;
abi_ulong addr;
for (addr = old_addr + old_size;
addr < old_addr + new_size;
}
if (prot == 0) {
host_addr = mremap(g2h(old_addr), old_size, new_size, flags);
}
if (prot == 0) {
host_addr = mremap(g2h(old_addr), old_size, new_size, flags);
- if (host_addr != MAP_FAILED && reserved_va && old_size > new_size) {
+ if (host_addr != MAP_FAILED && RESERVED_VA && old_size > new_size) {
mmap_reserve(old_addr + old_size, new_size - old_size);
}
} else {
mmap_reserve(old_addr + old_size, new_size - old_size);
}
} else {