merge mainline into nestpart

This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-03-26 15:44:13 +01:00
commit c9ea504d25
170 changed files with 4270 additions and 3366 deletions

View file

@ -152,7 +152,7 @@ grub_device_iterate (int (*hook) (const char *name))
grub_free (partition_name);
grub_free (p);
return 1;
}
}
grub_free (partition_name);
p->next = ents;

View file

@ -348,7 +348,7 @@ grub_dl_resolve_symbols (grub_dl_t mod, Elf_Ehdr *e)
sym->st_value = (Elf_Addr) grub_dl_resolve_symbol (name);
if (! sym->st_value)
return grub_error (GRUB_ERR_BAD_MODULE,
"the symbol `%s' not found", name);
"symbol not found: `%s'", name);
}
else
{
@ -469,7 +469,7 @@ grub_dl_resolve_dependencies (grub_dl_t mod, Elf_Ehdr *e)
return GRUB_ERR_NONE;
}
#ifndef GRUB_UTIL
#if !GRUB_NO_MODULES
int
grub_dl_ref (grub_dl_t mod)
{

View file

@ -67,12 +67,6 @@ grub_exit (void)
grub_cpu_idle ();
}
void
grub_arch_sync_caches (void *address __attribute__ ((unused)),
grub_size_t len __attribute__ ((unused)))
{
}
void
grub_machine_init (void)
{

View file

@ -45,9 +45,3 @@ grub_machine_set_prefix (void)
{
grub_efi_set_prefix ();
}
void
grub_arch_sync_caches (void *address __attribute__ ((unused)),
grub_size_t len __attribute__ ((unused)))
{
}

View file

@ -26,9 +26,3 @@ void
grub_stop_floppy (void)
{
}
void
grub_arch_sync_caches (void *address __attribute__ ((unused)),
grub_size_t len __attribute__ ((unused)))
{
}

View file

@ -47,12 +47,6 @@ static int num_regions;
grub_addr_t grub_os_area_addr;
grub_size_t grub_os_area_size;
void
grub_arch_sync_caches (void *address __attribute__ ((unused)),
grub_size_t len __attribute__ ((unused)))
{
}
static char *
make_install_device (void)
{

View file

@ -284,8 +284,8 @@ grub_ieee1275_read (grub_ieee1275_ihandle_t ihandle, void *buffer,
}
int
grub_ieee1275_seek (grub_ieee1275_ihandle_t ihandle, int pos_hi,
int pos_lo, grub_ssize_t *result)
grub_ieee1275_seek (grub_ieee1275_ihandle_t ihandle, grub_disk_addr_t pos,
grub_ssize_t *result)
{
struct write_args
{
@ -299,8 +299,15 @@ grub_ieee1275_seek (grub_ieee1275_ihandle_t ihandle, int pos_hi,
INIT_IEEE1275_COMMON (&args.common, "seek", 3, 1);
args.ihandle = ihandle;
args.pos_hi = (grub_ieee1275_cell_t) pos_hi;
args.pos_lo = (grub_ieee1275_cell_t) pos_lo;
/* To prevent stupid gcc warning. */
#if GRUB_IEEE1275_CELL_SIZEOF >= 8
args.pos_hi = 0;
args.pos_lo = pos;
#else
args.pos_hi = (grub_ieee1275_cell_t) (pos >> (8 * GRUB_IEEE1275_CELL_SIZEOF));
args.pos_lo = (grub_ieee1275_cell_t)
(pos & ((1ULL << (8 * GRUB_IEEE1275_CELL_SIZEOF)) - 1));
#endif
if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
return -1;

View file

@ -38,11 +38,11 @@
#define HEAP_MIN_SIZE (unsigned long) (2 * 1024 * 1024)
/* The maximum heap size we're going to claim */
#define HEAP_MAX_SIZE (unsigned long) (4 * 1024 * 1024)
#define HEAP_MAX_SIZE (unsigned long) (32 * 1024 * 1024)
/* If possible, we will avoid claiming heap above this address, because it
seems to cause relocation problems with OSes that link at 4 MiB */
#define HEAP_MAX_ADDR (unsigned long) (4 * 1024 * 1024)
#define HEAP_MAX_ADDR (unsigned long) (32 * 1024 * 1024)
extern char _start[];
extern char _end[];

View file

@ -68,11 +68,10 @@ grub_children_iterate (char *devpath,
{
struct grub_ieee1275_devalias alias;
grub_ssize_t actual;
char *fullname;
if (grub_ieee1275_get_property (child, "device_type", childtype,
IEEE1275_MAX_PROP_LEN, &actual))
continue;
childtype[0] = 0;
if (grub_ieee1275_package_to_path (child, childpath,
IEEE1275_MAX_PATH_LEN, &actual))
@ -82,24 +81,14 @@ grub_children_iterate (char *devpath,
IEEE1275_MAX_PROP_LEN, &actual))
continue;
fullname = grub_xasprintf ("%s/%s", devpath, childname);
if (!fullname)
{
grub_free (childname);
grub_free (childpath);
grub_free (childtype);
return 0;
}
alias.type = childtype;
alias.path = childpath;
alias.name = fullname;
alias.name = childname;
ret = hook (&alias);
grub_free (fullname);
if (ret)
break;
}
while (grub_ieee1275_peer (child, &child));
while (grub_ieee1275_peer (child, &child) != -1);
grub_free (childname);
grub_free (childpath);
@ -108,6 +97,20 @@ grub_children_iterate (char *devpath,
return ret;
}
int
grub_ieee1275_devices_iterate (int (*hook) (struct grub_ieee1275_devalias *alias))
{
auto int it_through (struct grub_ieee1275_devalias *alias);
int it_through (struct grub_ieee1275_devalias *alias)
{
if (hook (alias))
return 1;
return grub_children_iterate (alias->path, it_through);
}
return grub_children_iterate ("/", it_through);
}
/* Iterate through all device aliases. This function can be used to
find a device of a specific type. */
int
@ -199,9 +202,9 @@ nextprop:
}
/* Call the "map" method of /chosen/mmu. */
static int
grub_map (grub_addr_t phys, grub_addr_t virt, grub_uint32_t size,
grub_uint8_t mode)
int
grub_ieee1275_map (grub_addr_t phys, grub_addr_t virt, grub_size_t size,
grub_uint32_t mode)
{
struct map_args {
struct grub_ieee1275_common_hdr common;
@ -210,17 +213,30 @@ grub_map (grub_addr_t phys, grub_addr_t virt, grub_uint32_t size,
grub_ieee1275_cell_t mode;
grub_ieee1275_cell_t size;
grub_ieee1275_cell_t virt;
grub_ieee1275_cell_t phys;
#ifdef GRUB_MACHINE_SPARC64
grub_ieee1275_cell_t phys_high;
#endif
grub_ieee1275_cell_t phys_low;
grub_ieee1275_cell_t catch_result;
} args;
INIT_IEEE1275_COMMON (&args.common, "call-method", 6, 1);
INIT_IEEE1275_COMMON (&args.common, "call-method",
#ifdef GRUB_MACHINE_SPARC64
7,
#else
6,
#endif
1);
args.method = (grub_ieee1275_cell_t) "map";
args.ihandle = grub_ieee1275_mmu;
args.phys = phys;
#ifdef GRUB_MACHINE_SPARC64
args.phys_high = 0;
#endif
args.phys_low = phys;
args.virt = virt;
args.size = size;
args.mode = mode; /* Format is WIMG0PP. */
args.catch_result = (grub_ieee1275_cell_t) -1;
if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
return -1;
@ -235,7 +251,7 @@ grub_claimmap (grub_addr_t addr, grub_size_t size)
return -1;
if (! grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_REAL_MODE)
&& grub_map (addr, addr, size, 0x00))
&& grub_ieee1275_map (addr, addr, size, 0x00))
{
grub_printf ("map failed: address 0x%llx, size 0x%llx\n",
(long long) addr, (long long) size);
@ -405,8 +421,9 @@ grub_reboot (void)
void
grub_halt (void)
{
/* Not standardized. We try both known commands. */
/* Not standardized. We try three known commands. */
grub_ieee1275_interpret ("shut-down", 0);
grub_ieee1275_interpret ("power-off", 0);
grub_ieee1275_interpret ("poweroff", 0);
}

View file

@ -53,6 +53,25 @@ grub_module_iterate (int (*hook) (struct grub_module_header *header))
}
}
/* This is actualy platform-independant but used only on yeeloong and sparc. */
#if defined (GRUB_MACHINE_MIPS_YEELOONG) || defined (GRUB_MACHINE_SPARC64)
grub_addr_t
grub_modules_get_end (void)
{
struct grub_module_info *modinfo;
grub_addr_t modbase;
modbase = grub_arch_modules_addr ();
modinfo = (struct grub_module_info *) modbase;
/* Check if there are any modules. */
if ((modinfo == 0) || modinfo->magic != GRUB_MODULE_MAGIC)
return modbase;
return modbase + modinfo->size;
}
#endif
/* Load all modules in core. */
static void
grub_load_modules (void)
@ -68,6 +87,9 @@ grub_load_modules (void)
(header->size - sizeof (struct grub_module_header))))
grub_fatal ("%s", grub_errmsg);
if (grub_errno)
grub_print_error ();
return 0;
}

View file

@ -29,10 +29,10 @@
#include <grub/cpu/kernel.h>
extern void grub_video_sm712_init (void);
extern void grub_video_video_init (void);
extern void grub_video_bitmap_init (void);
extern void grub_font_manager_init (void);
extern void grub_term_gfxterm_init (void);
extern void grub_video_init (void);
extern void grub_bitmap_init (void);
extern void grub_font_init (void);
extern void grub_gfxterm_init (void);
extern void grub_at_keyboard_init (void);
/* FIXME: use interrupt to count high. */
@ -63,45 +63,23 @@ grub_machine_mmap_iterate (int NESTED_FUNC_ATTR (*hook) (grub_uint64_t,
return GRUB_ERR_NONE;
}
static void *
get_modules_end (void)
{
struct grub_module_info *modinfo;
struct grub_module_header *header;
grub_addr_t modbase;
modbase = grub_arch_modules_addr ();
modinfo = (struct grub_module_info *) modbase;
/* Check if there are any modules. */
if ((modinfo == 0) || modinfo->magic != GRUB_MODULE_MAGIC)
return modinfo;
for (header = (struct grub_module_header *) (modbase + modinfo->offset);
header < (struct grub_module_header *) (modbase + modinfo->size);
header = (struct grub_module_header *) ((char *) header + header->size));
return header;
}
void
grub_machine_init (void)
{
void *modend;
modend = get_modules_end ();
grub_mm_init_region (modend, (grub_arch_memsize << 20)
- (((grub_addr_t) modend) - GRUB_ARCH_LOWMEMVSTART));
grub_addr_t modend;
modend = grub_modules_get_end ();
grub_mm_init_region ((void *) modend, (grub_arch_memsize << 20)
- (modend - GRUB_ARCH_LOWMEMVSTART));
/* FIXME: use upper memory as well. */
grub_install_get_time_ms (grub_rtc_get_time_ms);
/* Initialize output terminal (can't be done earlier, as gfxterm
relies on a working heap. */
grub_video_sm712_init ();
grub_video_video_init ();
grub_video_bitmap_init ();
grub_font_manager_init ();
grub_term_gfxterm_init ();
grub_video_init ();
grub_bitmap_init ();
grub_font_init ();
grub_gfxterm_init ();
grub_at_keyboard_init ();
}

View file

@ -35,7 +35,7 @@ grub_iswordseparator (int c)
}
/* grub_gettext_dummy is not translating anything. */
const char *
static const char *
grub_gettext_dummy (const char *s)
{
return s;
@ -971,6 +971,10 @@ grub_utf8_to_ucs4 (grub_uint32_t *dest, grub_size_t destsize,
{
/* invalid */
code = '?';
/* Character c may be valid, don't eat it. */
src--;
if (srcsize != (grub_size_t)-1)
srcsize++;
count = 0;
}
else

View file

@ -26,32 +26,31 @@
/* All the possible state transitions on the command line. If a
transition can not be found, it is assumed that there is no
transition and keep_value is assumed to be 1. */
static struct grub_parser_state_transition state_transitions[] =
{
{ GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_QUOTE, '\'', 0},
{ GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_DQUOTE, '\"', 0},
{ GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_VAR, '$', 0},
{ GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_ESC, '\\', 0},
static struct grub_parser_state_transition state_transitions[] = {
{GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_QUOTE, '\'', 0},
{GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_DQUOTE, '\"', 0},
{GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_VAR, '$', 0},
{GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_ESC, '\\', 0},
{ GRUB_PARSER_STATE_ESC, GRUB_PARSER_STATE_TEXT, 0, 1},
{GRUB_PARSER_STATE_ESC, GRUB_PARSER_STATE_TEXT, 0, 1},
{ GRUB_PARSER_STATE_QUOTE, GRUB_PARSER_STATE_TEXT, '\'', 0},
{GRUB_PARSER_STATE_QUOTE, GRUB_PARSER_STATE_TEXT, '\'', 0},
{ GRUB_PARSER_STATE_DQUOTE, GRUB_PARSER_STATE_TEXT, '\"', 0},
{ GRUB_PARSER_STATE_DQUOTE, GRUB_PARSER_STATE_QVAR, '$', 0},
{GRUB_PARSER_STATE_DQUOTE, GRUB_PARSER_STATE_TEXT, '\"', 0},
{GRUB_PARSER_STATE_DQUOTE, GRUB_PARSER_STATE_QVAR, '$', 0},
{ GRUB_PARSER_STATE_VAR, GRUB_PARSER_STATE_VARNAME2, '{', 0},
{ GRUB_PARSER_STATE_VAR, GRUB_PARSER_STATE_VARNAME, 0, 1},
{ GRUB_PARSER_STATE_VARNAME, GRUB_PARSER_STATE_TEXT, ' ', 1},
{ GRUB_PARSER_STATE_VARNAME2, GRUB_PARSER_STATE_TEXT, '}', 0},
{GRUB_PARSER_STATE_VAR, GRUB_PARSER_STATE_VARNAME2, '{', 0},
{GRUB_PARSER_STATE_VAR, GRUB_PARSER_STATE_VARNAME, 0, 1},
{GRUB_PARSER_STATE_VARNAME, GRUB_PARSER_STATE_TEXT, ' ', 1},
{GRUB_PARSER_STATE_VARNAME2, GRUB_PARSER_STATE_TEXT, '}', 0},
{ GRUB_PARSER_STATE_QVAR, GRUB_PARSER_STATE_QVARNAME2, '{', 0},
{ GRUB_PARSER_STATE_QVAR, GRUB_PARSER_STATE_QVARNAME, 0, 1},
{ GRUB_PARSER_STATE_QVARNAME, GRUB_PARSER_STATE_TEXT, '\"', 0},
{ GRUB_PARSER_STATE_QVARNAME, GRUB_PARSER_STATE_DQUOTE, ' ', 1},
{ GRUB_PARSER_STATE_QVARNAME2, GRUB_PARSER_STATE_DQUOTE, '}', 0},
{GRUB_PARSER_STATE_QVAR, GRUB_PARSER_STATE_QVARNAME2, '{', 0},
{GRUB_PARSER_STATE_QVAR, GRUB_PARSER_STATE_QVARNAME, 0, 1},
{GRUB_PARSER_STATE_QVARNAME, GRUB_PARSER_STATE_TEXT, '\"', 0},
{GRUB_PARSER_STATE_QVARNAME, GRUB_PARSER_STATE_DQUOTE, ' ', 1},
{GRUB_PARSER_STATE_QVARNAME2, GRUB_PARSER_STATE_DQUOTE, '}', 0},
{ 0, 0, 0, 0}
{0, 0, 0, 0}
};
@ -74,17 +73,17 @@ grub_parser_cmdline_state (grub_parser_state_t state, char c, char *result)
if (transition->input == c)
break;
if (transition->input == ' ' && ! grub_isalpha (c)
&& ! grub_isdigit (c) && c != '_')
if (transition->input == ' ' && !grub_isalpha (c)
&& !grub_isdigit (c) && c != '_')
break;
/* A less perfect match was found, use this one if no exact
match can be found. */
match can be found. */
if (transition->input == 0)
break;
}
if (! transition->from_state)
if (!transition->from_state)
transition = &default_transition;
if (transition->keep_value)
@ -113,43 +112,44 @@ grub_parser_split_cmdline (const char *cmdline, grub_reader_getline_t getline,
auto int check_varstate (grub_parser_state_t s);
int check_varstate (grub_parser_state_t s)
{
return (s == GRUB_PARSER_STATE_VARNAME
|| s == GRUB_PARSER_STATE_VARNAME2
|| s == GRUB_PARSER_STATE_QVARNAME
|| s == GRUB_PARSER_STATE_QVARNAME2);
}
{
return (s == GRUB_PARSER_STATE_VARNAME
|| s == GRUB_PARSER_STATE_VARNAME2
|| s == GRUB_PARSER_STATE_QVARNAME
|| s == GRUB_PARSER_STATE_QVARNAME2);
}
auto void add_var (grub_parser_state_t newstate);
void add_var (grub_parser_state_t newstate)
{
char *val;
{
char *val;
/* Check if a variable was being read in and the end of the name
was reached. */
if (! (check_varstate (state) && !check_varstate (newstate)))
return;
/* Check if a variable was being read in and the end of the name
was reached. */
if (!(check_varstate (state) && !check_varstate (newstate)))
return;
*(vp++) = '\0';
val = grub_env_get (varname);
vp = varname;
if (! val)
return;
*(vp++) = '\0';
val = grub_env_get (varname);
vp = varname;
if (!val)
return;
/* Insert the contents of the variable in the buffer. */
for (; *val; val++)
*(bp++) = *val;
}
/* Insert the contents of the variable in the buffer. */
for (; *val; val++)
*(bp++) = *val;
}
*argc = 0;
do
{
if (! rd || !*rd)
if (!rd || !*rd)
{
if (getline)
getline (&rd, 1);
else break;
else
break;
}
if (!rd)
@ -190,7 +190,8 @@ grub_parser_split_cmdline (const char *cmdline, grub_reader_getline_t getline,
}
state = newstate;
}
} while (state != GRUB_PARSER_STATE_TEXT && !check_varstate (state));
}
while (state != GRUB_PARSER_STATE_TEXT && !check_varstate (state));
/* A special case for when the last character was part of a
variable. */
@ -204,12 +205,12 @@ grub_parser_split_cmdline (const char *cmdline, grub_reader_getline_t getline,
/* Reserve memory for the return values. */
args = grub_malloc (bp - buffer);
if (! args)
if (!args)
return grub_errno;
grub_memcpy (args, buffer, bp - buffer);
*argv = grub_malloc (sizeof (char *) * (*argc + 1));
if (! *argv)
if (!*argv)
{
grub_free (args);
return grub_errno;
@ -229,35 +230,34 @@ grub_parser_split_cmdline (const char *cmdline, grub_reader_getline_t getline,
return 0;
}
struct grub_handler_class grub_parser_class =
{
.name = "parser"
};
struct grub_handler_class grub_parser_class = {
.name = "parser"
};
grub_err_t
grub_parser_execute (char *source)
{
auto grub_err_t getline (char **line, int cont);
grub_err_t getline (char **line, int cont __attribute__ ((unused)))
{
char *p;
{
char *p;
if (! source)
{
*line = 0;
return 0;
}
if (!source)
{
*line = 0;
return 0;
}
p = grub_strchr (source, '\n');
if (p)
*p = 0;
p = grub_strchr (source, '\n');
if (p)
*p = 0;
*line = grub_strdup (source);
if (p)
*p = '\n';
source = p ? p + 1 : 0;
return 0;
}
*line = grub_strdup (source);
if (p)
*p = '\n';
source = p ? p + 1 : 0;
return 0;
}
while (source)
{

View file

@ -24,7 +24,7 @@
.globl _start
_start:
ba codestart
nop
mov %o4, %o0
. = EXT_C(_start) + GRUB_KERNEL_MACHINE_TOTAL_MODULE_SIZE
@ -53,12 +53,25 @@ codestart:
or %o3, %lo(_end), %o3
sethi %hi(grub_total_module_size), %o4
lduw [%o4 + %lo(grub_total_module_size)], %o4
add %o2, %o4, %o2
add %o3, %o4, %o3
/* Save ieee1275 stack for future use by booter. */
mov %o6, %o1
/* Our future stack. */
sethi %hi(GRUB_KERNEL_MACHINE_STACK_SIZE - 2047), %o5
or %o5, %lo(GRUB_KERNEL_MACHINE_STACK_SIZE - 2047), %o5
add %o3, %o5, %o6
sub %o2, 4, %o2
sub %o3, 4, %o3
1: lduw [%o2], %o5
stw %o5, [%o3]
subcc %o4, 4, %o4
add %o2, 4, %o2
sub %o2, 4, %o2
bne,pt %icc, 1b
add %o3, 4, %o3
sub %o3, 4, %o3
/* Now it's safe to clear out the BSS. */
sethi %hi(__bss_start), %o2
@ -70,8 +83,9 @@ codestart:
cmp %o2, %o3
blt,pt %xcc, 1b
nop
sethi %hi(grub_ieee1275_original_stack), %o2
stx %o1, [%o2 + %lo(grub_ieee1275_original_stack)]
sethi %hi(grub_ieee1275_entry_fn), %o2
stx %o0, [%o2 + %lo(grub_ieee1275_entry_fn)]
call grub_main
nop
stx %o0, [%o2 + %lo(grub_ieee1275_entry_fn)]
1: ba,a 1b

View file

@ -21,39 +21,6 @@
/* Sun specific ieee1275 interfaces used by GRUB. */
int
grub_ieee1275_map_physical (grub_addr_t paddr, grub_addr_t vaddr,
grub_size_t size, grub_uint32_t mode)
{
struct map_physical_args
{
struct grub_ieee1275_common_hdr common;
grub_ieee1275_cell_t method;
grub_ieee1275_cell_t ihandle;
grub_ieee1275_cell_t mode;
grub_ieee1275_cell_t size;
grub_ieee1275_cell_t virt;
grub_ieee1275_cell_t phys_high;
grub_ieee1275_cell_t phys_low;
grub_ieee1275_cell_t catch_result;
}
args;
INIT_IEEE1275_COMMON (&args.common, "call-method", 7, 1);
args.method = (grub_ieee1275_cell_t) "map";
args.ihandle = grub_ieee1275_mmu;
args.mode = mode;
args.size = size;
args.virt = vaddr;
args.phys_high = 0;
args.phys_low = paddr;
args.catch_result = (grub_ieee1275_cell_t) -1;
if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
return -1;
return args.catch_result;
}
int
grub_ieee1275_claim_vaddr (grub_addr_t vaddr, grub_size_t size)
{

View file

@ -23,12 +23,15 @@
#include <grub/err.h>
#include <grub/misc.h>
#include <grub/time.h>
#include <grub/machine/boot.h>
#include <grub/machine/console.h>
#include <grub/machine/kernel.h>
#include <grub/machine/time.h>
#include <grub/ieee1275/ofdisk.h>
#include <grub/ieee1275/ieee1275.h>
grub_addr_t grub_ieee1275_original_stack;
void
grub_exit (void)
{
@ -104,7 +107,8 @@ grub_machine_set_prefix (void)
static void
grub_heap_init (void)
{
grub_mm_init_region ((void *)(long)0x4000UL, 0x200000 - 0x4000);
grub_mm_init_region ((void *) (grub_modules_get_end ()
+ GRUB_KERNEL_MACHINE_STACK_SIZE), 0x200000);
}
static void

View file

@ -57,16 +57,17 @@ grub_putchar (int c)
{
static grub_size_t size = 0;
static grub_uint8_t buf[6];
grub_uint8_t *rest;
grub_uint32_t code;
grub_size_t ret;
buf[size++] = c;
ret = grub_utf8_to_ucs4 (&code, 1, buf, size, 0);
if (ret != 0)
while (grub_utf8_to_ucs4 (&code, 1, buf, size, (const grub_uint8_t **) &rest)
!= 0)
{
struct grub_term_output *term;
size = 0;
size -= rest - buf;
grub_memmove (buf, rest, size);
FOR_ACTIVE_TERM_OUTPUTS(term)
grub_putcode (code, term);
if (code == '\n' && grub_newline_hook)