#include "qemu/help_option.h"
#include "qemu/module.h"
#include "exec/exec-all.h"
-#include "tcg/tcg.h"
+#include "tcg/startup.h"
#include "qemu/timer.h"
#include "qemu/envlist.h"
#include "qemu/cutils.h"
unsigned long reserved_va;
#endif
-static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
+const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
const char *qemu_uname_release;
char qemu_proc_pathname[PATH_MAX]; /* full path to exeutable */
*/
CPU_FOREACH_SAFE(cpu, next_cpu) {
if (cpu != thread_cpu) {
- QTAILQ_REMOVE_RCU(&cpus, cpu, node);
+ QTAILQ_REMOVE_RCU(&cpus_queue, cpu, node);
}
}
mmap_fork_end(child);
ac->init_machine(NULL);
}
cpu = cpu_create(cpu_type);
- env = cpu->env_ptr;
+ env = cpu_env(cpu);
cpu_reset(cpu);
thread_cpu = cpu;
target_environ = envlist_to_environ(envlist, NULL);
envlist_free(envlist);
- if (reserved_va) {
- mmap_next_start = reserved_va + 1;
- }
-
{
Error *err = NULL;
if (seed_optarg != NULL) {
* Now that page sizes are configured we can do
* proper page alignment for guest_base.
*/
- guest_base = HOST_PAGE_ALIGN(guest_base);
+ if (have_guest_base) {
+ if (guest_base & ~qemu_host_page_mask) {
+ error_report("Selected guest base not host page aligned");
+ exit(1);
+ }
+ }
+
+ /*
+ * If reserving host virtual address space, do so now.
+ * Combined with '-B', ensure that the chosen range is free.
+ */
+ if (reserved_va) {
+ void *p;
+
+ if (have_guest_base) {
+ p = mmap((void *)guest_base, reserved_va + 1, PROT_NONE,
+ MAP_ANON | MAP_PRIVATE | MAP_FIXED | MAP_EXCL, -1, 0);
+ } else {
+ p = mmap(NULL, reserved_va + 1, PROT_NONE,
+ MAP_ANON | MAP_PRIVATE, -1, 0);
+ }
+ if (p == MAP_FAILED) {
+ const char *err = strerror(errno);
+ char *sz = size_to_str(reserved_va + 1);
+
+ if (have_guest_base) {
+ error_report("Cannot allocate %s bytes at -B %p for guest "
+ "address space: %s", sz, (void *)guest_base, err);
+ } else {
+ error_report("Cannot allocate %s bytes for guest "
+ "address space: %s", sz, err);
+ }
+ exit(1);
+ }
+ guest_base = (uintptr_t)p;
+ have_guest_base = true;
+
+ /* Ensure that mmap_next_start is within range. */
+ if (reserved_va <= mmap_next_start) {
+ mmap_next_start = (reserved_va / 4 * 3)
+ & TARGET_PAGE_MASK & qemu_host_page_mask;
+ }
+ }
if (loader_exec(filename, argv + optind, target_environ, regs, info,
&bprm) != 0) {
fprintf(f, "page layout changed following binary load\n");
page_dump(f);
- fprintf(f, "start_brk 0x" TARGET_ABI_FMT_lx "\n",
- info->start_brk);
fprintf(f, "end_code 0x" TARGET_ABI_FMT_lx "\n",
info->end_code);
fprintf(f, "start_code 0x" TARGET_ABI_FMT_lx "\n",
* generating the prologue until now so that the prologue can take
* the real value of GUEST_BASE into account.
*/
- tcg_prologue_init(tcg_ctx);
+ tcg_prologue_init();
target_cpu_init(env, regs);