119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/*
|
|
* QEMU Xen PV Machine
|
|
*
|
|
* Copyright (c) 2007 Red Hat
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include "hw.h"
|
|
#include "pc.h"
|
|
#include "sysemu.h"
|
|
#include "boards.h"
|
|
#include "xen_backend.h"
|
|
#include "xen_domainbuild.h"
|
|
|
|
uint32_t xen_domid;
|
|
enum xen_mode xen_mode = XEN_EMULATE;
|
|
|
|
static void xen_init_pv(ram_addr_t ram_size, int vga_ram_size,
|
|
const char *boot_device,
|
|
const char *kernel_filename,
|
|
const char *kernel_cmdline,
|
|
const char *initrd_filename,
|
|
const char *cpu_model)
|
|
{
|
|
CPUState *env;
|
|
int i, index;
|
|
|
|
/* Initialize a dummy CPU */
|
|
if (cpu_model == NULL) {
|
|
#ifdef TARGET_X86_64
|
|
cpu_model = "qemu64";
|
|
#else
|
|
cpu_model = "qemu32";
|
|
#endif
|
|
}
|
|
env = cpu_init(cpu_model);
|
|
env->halted = 1;
|
|
|
|
/* Initialize backend core & drivers */
|
|
if (xen_be_init() != 0) {
|
|
fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__);
|
|
exit(1);
|
|
}
|
|
|
|
switch (xen_mode) {
|
|
case XEN_ATTACH:
|
|
/* nothing to do, xend handles everything */
|
|
break;
|
|
case XEN_CREATE:
|
|
if (xen_domain_build_pv(kernel_filename, initrd_filename,
|
|
kernel_cmdline) < 0) {
|
|
fprintf(stderr, "xen pv domain creation failed\n");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case XEN_EMULATE:
|
|
fprintf(stderr, "xen emulation not implemented (yet)\n");
|
|
exit(1);
|
|
break;
|
|
}
|
|
|
|
xen_be_register("console", &xen_console_ops);
|
|
xen_be_register("vkbd", &xen_kbdmouse_ops);
|
|
xen_be_register("vfb", &xen_framebuffer_ops);
|
|
xen_be_register("qdisk", &xen_blkdev_ops);
|
|
xen_be_register("qnic", &xen_netdev_ops);
|
|
|
|
/* configure framebuffer */
|
|
if (xenfb_enabled) {
|
|
xen_config_dev_vfb(0, "vnc");
|
|
xen_config_dev_vkbd(0);
|
|
}
|
|
|
|
/* configure disks */
|
|
for (i = 0; i < 16; i++) {
|
|
index = drive_get_index(IF_XEN, 0, i);
|
|
if (index == -1)
|
|
continue;
|
|
xen_config_dev_blk(drives_table + index);
|
|
}
|
|
|
|
/* configure nics */
|
|
for (i = 0; i < nb_nics; i++) {
|
|
if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen"))
|
|
continue;
|
|
xen_config_dev_nic(nd_table + i);
|
|
}
|
|
|
|
/* config cleanup hook */
|
|
atexit(xen_config_cleanup);
|
|
|
|
/* setup framebuffer */
|
|
xen_init_display(xen_domid);
|
|
}
|
|
|
|
QEMUMachine xenpv_machine = {
|
|
.name = "xenpv",
|
|
.desc = "Xen Para-virtualized PC",
|
|
.init = xen_init_pv,
|
|
.max_cpus = 1,
|
|
};
|