void
grub_tsc_init (void)
{
if (!grub_cpu_is_tsc_supported ())
{
#if defined (GRUB_MACHINE_PCBIOS) || defined (GRUB_MACHINE_IEEE1275)
grub_install_get_time_ms (grub_rtc_get_time_ms);
#else
grub_fatal ("no TSC found");
#endif
return;
}
tsc_boot_time = grub_get_tsc ();
#ifdef GRUB_MACHINE_XEN
(void) (grub_tsc_calibrate_from_xen () || calibrate_tsc_hardcode());
#elif defined (GRUB_MACHINE_EFI)
(void) (grub_tsc_calibrate_from_pit () || grub_tsc_calibrate_from_pmtimer () || grub_tsc_calibrate_from_efi() || calibrate_tsc_hardcode());
#elif defined (GRUB_MACHINE_COREBOOT)
(void) (grub_tsc_calibrate_from_pmtimer () || grub_tsc_calibrate_from_pit () || calibrate_tsc_hardcode());
#else
(void) (grub_tsc_calibrate_from_pit () || calibrate_tsc_hardcode());
#endif
grub_install_get_time_ms (grub_tsc_get_time_ms);
}
void
grub_machine_init (void)
{
int ver;
/* First of all - establish connection with U-Boot */
ver = grub_uboot_api_init ();
if (!ver)
{
/* Don't even have a console to log errors to... */
grub_exit ();
}
else if (ver > API_SIG_VERSION)
{
/* Try to print an error message */
grub_uboot_puts ("invalid U-Boot API version\n");
}
/* Initialize the console so that GRUB can display messages. */
grub_console_init_early ();
/* Enumerate memory and initialize the memory management system. */
grub_uboot_mm_init ();
/* Should be earlier but it needs memalign. */
#ifdef __arm__
grub_arm_enable_caches_mmu ();
#endif
grub_dprintf ("init", "__bss_start: %p\n", __bss_start);
grub_dprintf ("init", "_end: %p\n", _end);
grub_dprintf ("init", "grub_modbase: %p\n", (void *) grub_modbase);
grub_dprintf ("init", "grub_modules_get_end(): %p\n",
(void *) grub_modules_get_end ());
/* Initialise full terminfo support */
grub_console_init_lately ();
/* Enumerate uboot devices */
grub_uboot_probe_hardware ();
/* Initialise timer */
#ifdef __arm__
if (grub_uboot_get_machine_type () == GRUB_ARM_MACHINE_TYPE_RASPBERRY_PI)
{
grub_install_get_time_ms (rpi_timer_ms);
}
else
#endif
{
timer_start = grub_uboot_get_timer (0);
grub_install_get_time_ms (uboot_timer_ms);
}
/* Initialize */
grub_ubootdisk_init ();
}
void
grub_machine_init (void)
{
char args[256];
grub_ssize_t actual;
grub_ieee1275_init ();
grub_console_init_early ();
#ifdef __i386__
grub_get_extended_memory ();
#endif
grub_claim_heap ();
grub_console_init_lately ();
grub_ofdisk_init ();
/* Process commandline. */
if (grub_ieee1275_get_property (grub_ieee1275_chosen, "bootargs", &args,
sizeof args, &actual) == 0
&& actual > 1)
{
int i = 0;
while (i < actual)
{
char *command = &args[i];
char *end;
char *val;
end = grub_strchr (command, ';');
if (end == 0)
i = actual; /* No more commands after this one. */
else
{
*end = '\0';
i += end - command + 1;
while (grub_isspace(args[i]))
i++;
}
/* Process command. */
val = grub_strchr (command, '=');
if (val)
{
*val = '\0';
grub_env_set (command, val + 1);
}
}
}
grub_install_get_time_ms (ieee1275_get_time_ms);
}
void
grub_machine_init (void)
{
grub_ieee1275_init ();
grub_console_init ();
grub_heap_init ();
grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_NO_PARTITION_0);
grub_ofdisk_init ();
grub_parse_cmdline ();
grub_install_get_time_ms (ieee1275_get_time_ms);
}
void
grub_machine_init (void)
{
grub_modbase = ALIGN_UP((grub_addr_t) _end
+ GRUB_KERNEL_MACHINE_MOD_GAP,
GRUB_KERNEL_MACHINE_MOD_ALIGN);
grub_ieee1275_init ();
grub_console_init_early ();
grub_claim_heap ();
grub_console_init_lately ();
grub_ofdisk_init ();
grub_parse_cmdline ();
#ifdef __i386__
grub_tsc_init ();
#else
grub_install_get_time_ms (grub_rtc_get_time_ms);
#endif
}
