static grub_err_t
grub_ntldr_boot (void)
{
struct grub_relocator16_state state = {
.cs = GRUB_NTLDR_SEGMENT,
.ip = 0,
.ds = 0,
.es = 0,
.fs = 0,
.gs = 0,
.ss = 0,
.sp = 0x7c00,
.edx = edx
};
grub_video_set_mode ("text", 0, 0);
return grub_relocator16_boot (rel, state);
}
static grub_err_t
grub_ntldr_unload (void)
{
grub_relocator_unload (rel);
rel = NULL;
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
}
void
grub_reboot (void)
{
struct grub_relocator *relocator = NULL;
grub_relocator_chunk_t ch;
grub_err_t err;
void *buf;
struct grub_relocator16_state state;
grub_uint16_t segment;
relocator = grub_relocator_new ();
if (!relocator)
while (1);
err = grub_relocator_alloc_chunk_align (relocator, &ch, 0x1000, 0x1000,
grub_reboot_end - grub_reboot_start,
16, GRUB_RELOCATOR_PREFERENCE_NONE,
0);
if (err)
while (1);
buf = get_virtual_current_address (ch);
grub_memcpy (buf, grub_reboot_start, grub_reboot_end - grub_reboot_start);
segment = ((grub_addr_t) get_physical_target_address (ch)) >> 4;
state.gs = state.fs = state.es = state.ds = state.ss = segment;
state.sp = 0;
state.cs = segment;
state.ip = 0;
state.a20 = 0;
grub_stop_floppy ();
err = grub_relocator16_boot (relocator, state);
while (1);
}
static grub_err_t
grub_freedos_boot (void)
{
struct grub_relocator16_state state = {
.cs = GRUB_FREEDOS_SEGMENT,
.ip = 0,
.ds = GRUB_FREEDOS_STACK_SEGMENT,
.es = 0,
.fs = 0,
.gs = 0,
.ss = GRUB_FREEDOS_STACK_SEGMENT,
.sp = GRUB_FREEDOS_STACK_POINTER,
.ebp = GRUB_FREEDOS_STACK_BPB_POINTER,
.ebx = ebx,
.edx = ebx,
.a20 = 1
};
grub_video_set_mode ("text", 0, 0);
return grub_relocator16_boot (rel, state);
}
static grub_err_t
grub_freedos_unload (void)
{
grub_relocator_unload (rel);
rel = NULL;
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
}
static grub_err_t
grub_pxechain_boot (void)
{
struct grub_relocator16_state state = {
.cs = 0,
.ip = 0x7c00,
.ds = 0,
.es = 0,
.fs = 0,
.gs = 0,
.ss = 0,
.sp = 0x7c00,
.edx = edx
};
struct grub_net_bootp_packet *bp;
bp = grub_pxe_get_cached (GRUB_PXENV_PACKET_TYPE_DHCP_ACK);
grub_video_set_mode ("text", 0, 0);
if (bp && boot_file[0])
grub_memcpy (bp->boot_file, boot_file, sizeof (bp->boot_file));
if (bp && server_name[0])
grub_memcpy (bp->server_name, server_name, sizeof (bp->server_name));
return grub_relocator16_boot (rel, state);
}
static grub_err_t
grub_pxechain_unload (void)
{
grub_relocator_unload (rel);
rel = NULL;
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
}
