void
bmk_multiboot(struct multiboot_info *mbi)
{
unsigned long cmdlinelen;
char *cmdline;
bmk_printf_init(bmk_cons_putc, NULL);
bmk_core_init(BMK_THREAD_STACK_PAGE_ORDER, PAGE_SIZE);
bmk_printf("rump kernel bare metal multibootstrap\n\n");
/* save the command line before something overwrites it */
cmdline = (char *)(uintptr_t)mbi->cmdline;
cmdlinelen = bmk_strlen(cmdline);
if (cmdlinelen >= BMK_MULTIBOOT_CMDLINE_SIZE)
bmk_platform_halt("command line too long, "
"increase BMK_MULTIBOOT_CMDLINE_SIZE");
bmk_strcpy(bmk_multiboot_cmdline, cmdline);
if ((mbi->flags & MULTIBOOT_MEMORY_INFO) == 0)
bmk_platform_halt("multiboot memory info not available\n");
if (parsemem(mbi->mmap_addr, mbi->mmap_length) != 0)
bmk_platform_halt("multiboot memory parse failed");
bmk_intr_init();
}
/*
* INITIAL C ENTRY POINT.
*/
void _minios_start_kernel(start_info_t *si)
{
bmk_printf_init(minios_putc, NULL);
bmk_core_init(STACK_SIZE_PAGE_ORDER, PAGE_SHIFT);
arch_init(si);
trap_init();
bmk_sched_init();
/* print out some useful information */
minios_printk(" start_info: %p(VA)\n", si);
minios_printk(" nr_pages: 0x%lx\n", si->nr_pages);
minios_printk(" shared_inf: 0x%08lx(MA)\n", si->shared_info);
minios_printk(" pt_base: %p(VA)\n", (void *)si->pt_base);
minios_printk("nr_pt_frames: 0x%lx\n", si->nr_pt_frames);
minios_printk(" mfn_list: %p(VA)\n", (void *)si->mfn_list);
minios_printk(" mod_start: 0x%lx(VA)\n", si->mod_start);
minios_printk(" mod_len: %lu\n", si->mod_len);
minios_printk(" flags: 0x%x\n", (unsigned int)si->flags);
minios_printk(" cmd_line: %s\n",
si->cmd_line ? (const char *)si->cmd_line : "NULL");
/* Set up events. */
init_events();
/* ENABLE EVENT DELIVERY. This is disabled at start of day. */
__sti();
arch_print_info();
setup_xen_features();
/* Init memory management. */
init_mm();
/* Init time and timers. */
init_time();
/* Init the console driver. */
init_console();
/* Init grant tables */
init_gnttab();
/* Init XenBus */
init_xenbus();
/* Init scheduler. */
bmk_sched_startmain(_app_main, &start_info);
bmk_platform_halt("unreachable");
}
void
x86_boot(struct multiboot_info *mbi)
{
bmk_printf_init(cons_putc, NULL);
bmk_printf("rump kernel bare metal bootstrap\n\n");
cpu_init();
bmk_sched_init();
multiboot(mbi);
spl0();
bmk_sched_startmain(mainthread, multiboot_cmdline);
}
