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