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machine, Add default_machine_opts to QEMUMachine. 

With this new field, we can specified which accelerator use to run the
machine, if the accelerator is not already specified by either a
configuration file or the command line options.

Currently, the only use will be made in the xenfv machine.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Anthony PERARD 2010-11-22 15:44:15 +00:00 committed by Alexander Graf
parent 303d4e865b
commit 67b724e69e
2 changed files with 23 additions and 0 deletions
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1
hw/boards.h
View File

@ -27,6 +27,7 @@ typedef struct QEMUMachine {
no_cdrom:1,
no_sdcard:1;
int is_default;
const char *default_machine_opts;
GlobalProperty *compat_props;
struct QEMUMachine *next;
} QEMUMachine;

22
vl.c
View File

@ -2914,6 +2914,28 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
/*
* Get the default machine options from the machine if it is not already
* specified either by the configuration file or by the command line.
*/
if (machine->default_machine_opts) {
QemuOptsList *list = qemu_find_opts("machine");
const char *p = NULL;
if (!QTAILQ_EMPTY(&list->head)) {
p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
}
if (p == NULL) {
opts = qemu_opts_parse(qemu_find_opts("machine"),
machine->default_machine_opts, 0);
if (!opts) {
fprintf(stderr, "parse error for machine %s: %s\n",
machine->name, machine->default_machine_opts);
exit(1);
}
}
}
qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);