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Leif's API fixes

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This commit is contained in:
Leif Lindholm 2013-05-03 15:07:39 +02:00 committed by Vladimir 'phcoder' Serbinenko
parent bb9f92b9b1
commit b385e0723b
11 changed files with 217 additions and 387 deletions
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123
grub-core/disk/uboot/ubootdisk.c
View file

@ -26,10 +26,11 @@
#include <grub/types.h> #include <grub/types.h>
#include <grub/uboot/disk.h> #include <grub/uboot/disk.h>
#include <grub/uboot/uboot.h> #include <grub/uboot/uboot.h>
#include <grub/uboot/api_public.h>
static struct ubootdisk_data *fd_devices;
static struct ubootdisk_data *hd_devices; static struct ubootdisk_data *hd_devices;
static struct ubootdisk_data *cd_devices; static int hd_num;
static int hd_max;
/* /*
* grub_ubootdisk_register(): * grub_ubootdisk_register():
@ -37,73 +38,53 @@ static struct ubootdisk_data *cd_devices;
* code. * code.
*/ */
grub_err_t grub_err_t
grub_ubootdisk_register (struct device_info *newdev, int handle) grub_ubootdisk_register (struct device_info *newdev)
{ {
struct ubootdisk_data *d; struct ubootdisk_data *d;
enum disktype type;
#define STOR_TYPE(x) ((x) & 0x0ff0) #define STOR_TYPE(x) ((x) & 0x0ff0)
switch (STOR_TYPE (newdev->type)) switch (STOR_TYPE (newdev->type))
{ {
case DT_STOR_IDE: case DT_STOR_IDE:
case DT_STOR_SATA: case DT_STOR_SATA:
/* hd */
type = hd;
break;
case DT_STOR_MMC: case DT_STOR_MMC:
case DT_STOR_USB: case DT_STOR_USB:
/* fd */ /* hd */
type = fd; if (hd_num == hd_max)
{
int new_num;
new_num = (hd_max ? hd_max * 2 : 1);
d = grub_realloc(hd_devices,
sizeof (struct ubootdisk_data) * new_num);
if (!d)
return grub_errno;
hd_devices = d;
hd_max = new_num;
}
d = &hd_devices[hd_num];
hd_num++;
break; break;
default: default:
return GRUB_ERR_BAD_DEVICE; return GRUB_ERR_BAD_DEVICE;
break; break;
} }
d = (struct ubootdisk_data *) grub_malloc (sizeof (struct ubootdisk_data)); d->dev = newdev;
if (!d)
return GRUB_ERR_OUT_OF_MEMORY;
d->handle = handle;
d->cookie = newdev->cookie; d->cookie = newdev->cookie;
d->opencount = 0; d->opencount = 0;
switch (type)
{
case cd:
grub_dprintf ("ubootdisk", "registering cd device\n");
d->next = cd_devices;
cd_devices = d;
break;
case fd:
grub_dprintf ("ubootdisk", "registering fd device\n");
d->next = fd_devices;
fd_devices = d;
break;
case hd:
grub_dprintf ("ubootdisk", "registering hd device\n");
d->next = hd_devices;
hd_devices = d;
break;
default:
grub_free (d);
return GRUB_ERR_BAD_DEVICE;
}
return 0; return 0;
} }
/* /*
* uboot_disk_iterate(): * uboot_disk_iterate():
* Itarator over enumerated disk devices. * Iterator over enumerated disk devices.
*/ */
static int static int
uboot_disk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data, uboot_disk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
grub_disk_pull_t pull) grub_disk_pull_t pull)
{ {
struct ubootdisk_data *d;
char buf[16]; char buf[16];
int count; int count;
@ -111,7 +92,7 @@ uboot_disk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
{ {
case GRUB_DISK_PULL_NONE: case GRUB_DISK_PULL_NONE:
/* "hd" - built-in mass-storage */ /* "hd" - built-in mass-storage */
for (d = hd_devices, count = 0; d; d = d->next, count++) for (count = 0 ; count < hd_num; count++)
{ {
grub_snprintf (buf, sizeof (buf) - 1, "hd%d", count); grub_snprintf (buf, sizeof (buf) - 1, "hd%d", count);
grub_dprintf ("ubootdisk", "iterating %s\n", buf); grub_dprintf ("ubootdisk", "iterating %s\n", buf);
@ -119,25 +100,6 @@ uboot_disk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
return 1; return 1;
} }
break; break;
case GRUB_DISK_PULL_REMOVABLE:
/* "floppy" - removable mass storage */
for (d = fd_devices, count = 0; d; d = d->next, count++)
{
grub_snprintf (buf, sizeof (buf) - 1, "fd%d", count);
grub_dprintf ("ubootdisk", "iterating %s\n", buf);
if (hook (buf, hook_data))
return 1;
}
/* "cdrom" - removeable read-only storage */
for (d = cd_devices, count = 0; d; d = d->next, count++)
{
grub_snprintf (buf, sizeof (buf) - 1, "cd%d", count);
grub_dprintf ("ubootdisk", "iterating %s\n", buf);
if (hook (buf, hook_data))
return 1;
}
break;
default: default:
return 0; return 0;
} }
@ -147,15 +109,10 @@ uboot_disk_iterate (grub_disk_dev_iterate_hook_t hook, void *hook_data,
/* Helper function for uboot_disk_open. */ /* Helper function for uboot_disk_open. */
static struct ubootdisk_data * static struct ubootdisk_data *
get_device (struct ubootdisk_data *devices, int num) get_hd_device (int num)
{ {
struct ubootdisk_data *d; if (num < hd_num)
return &hd_devices[num];
for (d = devices; d && num; d = d->next, num--)
;
if (num == 0)
return d;
return NULL; return NULL;
} }
@ -190,14 +147,8 @@ uboot_disk_open (const char *name, struct grub_disk *disk)
switch (name[0]) switch (name[0])
{ {
case 'f':
d = get_device (fd_devices, num);
break;
case 'c':
d = get_device (cd_devices, num);
break;
case 'h': case 'h':
d = get_device (hd_devices, num); d = get_hd_device (num);
break; break;
default: default:
goto fail; goto fail;
@ -219,7 +170,7 @@ uboot_disk_open (const char *name, struct grub_disk *disk)
} }
else else
{ {
retval = uboot_dev_open (d->handle); retval = grub_uboot_dev_open (d->dev);
if (retval != 0) if (retval != 0)
goto fail; goto fail;
d->opencount = 1; d->opencount = 1;
@ -228,9 +179,7 @@ uboot_disk_open (const char *name, struct grub_disk *disk)
grub_dprintf ("ubootdisk", "cookie: 0x%08x\n", (grub_addr_t) d->cookie); grub_dprintf ("ubootdisk", "cookie: 0x%08x\n", (grub_addr_t) d->cookie);
disk->id = (grub_addr_t) d->cookie; disk->id = (grub_addr_t) d->cookie;
/* Device has previously been enumerated, so this should never fail */ devinfo = d->dev;
if ((devinfo = uboot_dev_get (d->handle)) == NULL)
goto fail;
d->block_size = devinfo->di_stor.block_size; d->block_size = devinfo->di_stor.block_size;
if (d->block_size == 0) if (d->block_size == 0)
@ -246,7 +195,11 @@ uboot_disk_open (const char *name, struct grub_disk *disk)
grub_dprintf ("ubootdisk", "(%s) blocksize=%d, log_sector_size=%d\n", grub_dprintf ("ubootdisk", "(%s) blocksize=%d, log_sector_size=%d\n",
disk->name, d->block_size, disk->log_sector_size); disk->name, d->block_size, disk->log_sector_size);
disk->total_sectors = devinfo->di_stor.block_count ? : GRUB_DISK_SIZE_UNKNOWN; if (devinfo->di_stor.block_count)
disk->total_sectors = devinfo->di_stor.block_count;
else
disk->total_sectors = GRUB_DISK_SIZE_UNKNOWN;
disk->data = d; disk->data = d;
return GRUB_ERR_NONE; return GRUB_ERR_NONE;
@ -275,7 +228,7 @@ uboot_disk_close (struct grub_disk *disk)
} }
else if (d->opencount == 1) else if (d->opencount == 1)
{ {
retval = uboot_dev_close (d->handle); retval = grub_uboot_dev_close (d->dev);
d->opencount--; d->opencount--;
grub_dprintf ("ubootdisk", "closed %s (%d)\n", disk->name, retval); grub_dprintf ("ubootdisk", "closed %s (%d)\n", disk->name, retval);
} }
@ -296,12 +249,12 @@ uboot_disk_read (struct grub_disk *disk,
grub_disk_addr_t offset, grub_size_t numblocks, char *buf) grub_disk_addr_t offset, grub_size_t numblocks, char *buf)
{ {
struct ubootdisk_data *d; struct ubootdisk_data *d;
lbasize_t real_size; grub_size_t real_size;
int retval; int retval;
d = disk->data; d = disk->data;
retval = uboot_dev_read (d->handle, buf, numblocks, offset, &real_size); retval = grub_uboot_dev_read (d->dev, buf, numblocks, offset, &real_size);
grub_dprintf ("ubootdisk", grub_dprintf ("ubootdisk",
"retval=%d, numblocks=%d, real_size=%llu, sector=%llu\n", "retval=%d, numblocks=%d, real_size=%llu, sector=%llu\n",
retval, numblocks, (grub_uint64_t) real_size, retval, numblocks, (grub_uint64_t) real_size,
@ -318,8 +271,8 @@ uboot_disk_write (struct grub_disk *disk __attribute__ ((unused)),
grub_size_t size __attribute__ ((unused)), grub_size_t size __attribute__ ((unused)),
const char *buf __attribute__ ((unused))) const char *buf __attribute__ ((unused)))
{ {
grub_dprintf ("ubootdisk", "attempt to write\n"); return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
return GRUB_ERR_NOT_IMPLEMENTED_YET; "attempt to write (not supported)");
} }
static struct grub_disk_dev grub_ubootdisk_dev = { static struct grub_disk_dev grub_ubootdisk_dev = {

14
grub-core/kern/arm/uboot/startup.S
View file

@ -65,9 +65,9 @@ FUNCTION(codestart)
ldr sp, =entry_state ldr sp, =entry_state
push {r4-r12,lr} @ store U-Boot context (sp in r12) push {r4-r12,lr} @ store U-Boot context (sp in r12)
ldr r12, =EXT_C(uboot_machine_type) ldr r12, =EXT_C(grub_uboot_machine_type)
str r1, [r12] str r1, [r12]
ldr r12, =EXT_C(uboot_boot_data) ldr r12, =EXT_C(grub_uboot_boot_data)
str r2, [r12] str r2, [r12]
@ Modules have been stored as a blob in BSS, @ Modules have been stored as a blob in BSS,
@ -115,12 +115,12 @@ FUNCTION(codestart)
* r12 (ip). Furthermore it needs to restore r8 for * r12 (ip). Furthermore it needs to restore r8 for
* U-Boot (Global Data Pointer) and preserve it for Grub. * U-Boot (Global Data Pointer) and preserve it for Grub.
*/ */
FUNCTION(uboot_syscall) FUNCTION(grub_uboot_syscall)
ldr ip, =transition_space ldr ip, =transition_space
stm ip, {r8, lr} stm ip, {r8, lr}
ldr ip, =gd_backup ldr ip, =gd_backup
ldr r8, [ip] ldr r8, [ip]
ldr ip, =uboot_syscall_ptr ldr ip, =grub_uboot_syscall_ptr
mov lr, pc mov lr, pc
ldr pc, [ip] ldr pc, [ip]
ldr ip, =gd_backup ldr ip, =gd_backup
@ -129,7 +129,7 @@ FUNCTION(uboot_syscall)
ldm ip, {r8, lr} ldm ip, {r8, lr}
bx lr bx lr
FUNCTION(uboot_return) FUNCTION(grub_uboot_return)
ldr sp, =entry_state_end ldr sp, =entry_state_end
pop {r4-r12, lr} pop {r4-r12, lr}
mov sp, r12 mov sp, r12
@ -149,7 +149,7 @@ gd_backup:
.long 0 @ r9 .long 0 @ r9
.long 0 @ r10 .long 0 @ r10
.long 0 @ r11 .long 0 @ r11
VARIABLE(uboot_search_hint)@ U-Boot stack pointer - VARIABLE(grub_uboot_search_hint)@ U-Boot stack pointer -
.long 0 @ also API signature address hint. .long 0 @ also API signature address hint.
.long 0 @ lr .long 0 @ lr
entry_state: @ backup for U-Boot context entry_state: @ backup for U-Boot context
@ -159,7 +159,7 @@ transition_space:
.long 0 @ r8 .long 0 @ r8
.long 0 @ lr .long 0 @ lr
VARIABLE(uboot_syscall_ptr) VARIABLE(grub_uboot_syscall_ptr)
.long 0 @ .long 0 @
.end .end

15
grub-core/kern/uboot/hw.c
View file

@ -25,6 +25,7 @@
#include <grub/machine/kernel.h> #include <grub/machine/kernel.h>
#include <grub/uboot/disk.h> #include <grub/uboot/disk.h>
#include <grub/uboot/uboot.h> #include <grub/uboot/uboot.h>
#include <grub/uboot/api_public.h>
grub_addr_t start_of_ram; grub_addr_t start_of_ram;
@ -37,7 +38,7 @@ grub_addr_t start_of_ram;
void void
grub_uboot_mm_init (void) grub_uboot_mm_init (void)
{ {
struct sys_info *si = uboot_get_sys_info (); struct sys_info *si = grub_uboot_get_sys_info ();
grub_mm_init_region ((void *) (grub_modules_get_end () grub_mm_init_region ((void *) (grub_modules_get_end ()
+ GRUB_KERNEL_MACHINE_STACK_SIZE), + GRUB_KERNEL_MACHINE_STACK_SIZE),
@ -57,19 +58,18 @@ grub_uboot_mm_init (void)
/* /*
* grub_uboot_probe_hardware(): * grub_uboot_probe_hardware():
*
*/ */
grub_err_t grub_err_t
grub_uboot_probe_hardware (void) grub_uboot_probe_hardware (void)
{ {
int devcount, i; int devcount, i;
devcount = uboot_dev_enum (); devcount = grub_uboot_dev_enum ();
grub_dprintf ("init", "%d devices found\n", devcount); grub_dprintf ("init", "%d devices found\n", devcount);
for (i = 0; i < devcount; i++) for (i = 0; i < devcount; i++)
{ {
struct device_info *devinfo = uboot_dev_get (i); struct device_info *devinfo = grub_uboot_dev_get (i);
grub_dprintf ("init", "device handle: %d\n", i); grub_dprintf ("init", "device handle: %d\n", i);
grub_dprintf ("init", " cookie\t= 0x%08x\n", grub_dprintf ("init", " cookie\t= 0x%08x\n",
@ -78,11 +78,12 @@ grub_uboot_probe_hardware (void)
if (devinfo->type & DEV_TYP_STOR) if (devinfo->type & DEV_TYP_STOR)
{ {
grub_dprintf ("init", " type\t\t= DISK\n"); grub_dprintf ("init", " type\t\t= DISK\n");
grub_ubootdisk_register (devinfo, i); grub_ubootdisk_register (devinfo);
} }
else if (devinfo->type & DEV_TYP_NET) else if (devinfo->type & DEV_TYP_NET)
{ {
grub_dprintf ("init", " type\t\t= NET\n"); /* Dealt with in ubootnet module. */
grub_dprintf ("init", " type\t\t= NET (not supported yet)\n");
} }
else else
{ {
@ -97,7 +98,7 @@ grub_err_t
grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data) grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
{ {
int i; int i;
struct sys_info *si = uboot_get_sys_info (); struct sys_info *si = grub_uboot_get_sys_info ();
if (!si || (si->mr_no < 1)) if (!si || (si->mr_no < 1))
return GRUB_ERR_BUG; return GRUB_ERR_BUG;

29
grub-core/kern/uboot/init.c
View file

@ -29,41 +29,42 @@
#include <grub/uboot/console.h> #include <grub/uboot/console.h>
#include <grub/uboot/disk.h> #include <grub/uboot/disk.h>
#include <grub/uboot/uboot.h> #include <grub/uboot/uboot.h>
#include <grub/uboot/api_public.h>
extern char __bss_start[]; extern char __bss_start[];
extern char _end[]; extern char _end[];
extern grub_size_t grub_total_module_size; extern grub_size_t grub_total_module_size;
extern int (*uboot_syscall_ptr) (int, int *, ...); extern int (*grub_uboot_syscall_ptr) (int, int *, ...);
/* Set to anything other than zero so it lands in .data and not .bss. */ /* Set to anything other than zero so it lands in .data and not .bss. */
grub_addr_t grub_modbase = 0x55aa55aa; grub_addr_t grub_modbase = 0x55aa55aa;
grub_uint32_t uboot_machine_type = 0x55aa55aa; grub_uint32_t grub_uboot_machine_type = 0x55aa55aa;
grub_addr_t uboot_boot_data = 0x55aa55aa; grub_addr_t grub_uboot_boot_data = 0x55aa55aa;
static unsigned long timer_start; static unsigned long timer_start;
void void
grub_exit (void) grub_exit (void)
{ {
uboot_return (0); grub_uboot_return (0);
} }
grub_uint32_t grub_uint32_t
uboot_get_machine_type (void) grub_uboot_get_machine_type (void)
{ {
return uboot_machine_type; return grub_uboot_machine_type;
} }
grub_addr_t grub_addr_t
uboot_get_boot_data (void) grub_uboot_get_boot_data (void)
{ {
return uboot_boot_data; return grub_uboot_boot_data;
} }
static grub_uint64_t static grub_uint64_t
uboot_timer_ms (void) uboot_timer_ms (void)
{ {
return (grub_uint64_t) uboot_get_timer (timer_start) / 1000; return (grub_uint64_t) grub_uboot_get_timer (timer_start) / 1000;
} }
void void
@ -72,7 +73,7 @@ grub_machine_init (void)
int ver; int ver;
/* First of all - establish connection with U-Boot */ /* First of all - establish connection with U-Boot */
ver = uboot_api_init (); ver = grub_uboot_api_init ();
if (!ver) if (!ver)
{ {
/* Don't even have a console to log errors to... */ /* Don't even have a console to log errors to... */
@ -81,7 +82,7 @@ grub_machine_init (void)
else if (ver > API_SIG_VERSION) else if (ver > API_SIG_VERSION)
{ {
/* Try to print an error message */ /* Try to print an error message */
uboot_puts ("invalid U-Boot API version\n"); grub_uboot_puts ("invalid U-Boot API version\n");
} }
/* Initialize the console so that GRUB can display messages. */ /* Initialize the console so that GRUB can display messages. */
@ -103,7 +104,7 @@ grub_machine_init (void)
grub_uboot_probe_hardware (); grub_uboot_probe_hardware ();
/* Initialise timer */ /* Initialise timer */
timer_start = uboot_get_timer (0); timer_start = grub_uboot_get_timer (0);
grub_install_get_time_ms (uboot_timer_ms); grub_install_get_time_ms (uboot_timer_ms);
/* Initialize */ /* Initialize */
@ -127,7 +128,7 @@ grub_machine_get_bootlocation (char **device, char **path)
{ {
char *tmp; char *tmp;
tmp = uboot_env_get ("grub_bootdev"); tmp = grub_uboot_env_get ("grub_bootdev");
if (tmp) if (tmp)
{ {
*device = grub_strdup (tmp); *device = grub_strdup (tmp);
@ -137,7 +138,7 @@ grub_machine_get_bootlocation (char **device, char **path)
else else
*device = NULL; *device = NULL;
tmp = uboot_env_get ("grub_bootpath"); tmp = grub_uboot_env_get ("grub_bootpath");
if (tmp) if (tmp)
{ {
*path = grub_strdup (tmp); *path = grub_strdup (tmp);

241
grub-core/kern/uboot/uboot.c
View file

@ -18,6 +18,7 @@
#include <grub/misc.h> #include <grub/misc.h>
#include <grub/mm.h> #include <grub/mm.h>
#include <grub/uboot/api_public.h>
#include <grub/uboot/uboot.h> #include <grub/uboot/uboot.h>
/* /*
@ -38,25 +39,25 @@
* returns: 0 if the call not found, 1 if serviced * returns: 0 if the call not found, 1 if serviced
*/ */
extern int (*uboot_syscall_ptr) (int, int *, ...); extern int (*grub_uboot_syscall_ptr) (int, int *, ...);
extern int uboot_syscall (int, int *, ...); extern int grub_uboot_syscall (int, int *, ...);
extern grub_addr_t uboot_search_hint; extern grub_addr_t grub_uboot_search_hint;
static struct sys_info uboot_sys_info; static struct sys_info uboot_sys_info;
static struct mem_region uboot_mem_info[5]; static struct mem_region uboot_mem_info[5];
static struct device_info uboot_devices[6]; static struct device_info * devices;
static int num_devices; static int num_devices;
int int
uboot_api_init (void) grub_uboot_api_init (void)
{ {
struct api_signature *start, *end; struct api_signature *start, *end;
struct api_signature *p; struct api_signature *p;
if (uboot_search_hint) if (grub_uboot_search_hint)
{ {
/* Extended search range to work around Trim Slice U-Boot issue */ /* Extended search range to work around Trim Slice U-Boot issue */
start = (struct api_signature *) ((uboot_search_hint & ~0x000fffff) start = (struct api_signature *) ((grub_uboot_search_hint & ~0x000fffff)
- 0x00500000); - 0x00500000);
end = end =
(struct api_signature *) ((grub_addr_t) start + UBOOT_API_SEARCH_LEN - (struct api_signature *) ((grub_addr_t) start + UBOOT_API_SEARCH_LEN -
@ -73,7 +74,7 @@ uboot_api_init (void)
{ {
if (grub_memcmp (&(p->magic), API_SIG_MAGIC, API_SIG_MAGLEN) == 0) if (grub_memcmp (&(p->magic), API_SIG_MAGIC, API_SIG_MAGLEN) == 0)
{ {
uboot_syscall_ptr = p->syscall; grub_uboot_syscall_ptr = p->syscall;
return p->version; return p->version;
} }
} }
@ -81,69 +82,50 @@ uboot_api_init (void)
return 0; return 0;
} }
/* All functions below are wrappers around the uboot_syscall() function */
/* /*
* int API_getc(int *c) * All functions below are wrappers around the grub_uboot_syscall() function
*/ */
int int
uboot_getc (void) grub_uboot_getc (void)
{ {
int c; int c;
if (!uboot_syscall (API_GETC, NULL, &c)) if (!grub_uboot_syscall (API_GETC, NULL, &c))
return -1; return -1;
return c; return c;
} }
/*
* int API_tstc(int *c)
*/
int int
uboot_tstc (void) grub_uboot_tstc (void)
{ {
int c; int c;
if (!uboot_syscall (API_TSTC, NULL, &c)) if (!grub_uboot_syscall (API_TSTC, NULL, &c))
return -1; return -1;
return c; return c;
} }
/*
* int API_putc(char *ch)
*/
void void
uboot_putc (int c) grub_uboot_putc (int c)
{ {
uboot_syscall (API_PUTC, NULL, &c); grub_uboot_syscall (API_PUTC, NULL, &c);
} }
/*
* int API_puts(const char *s)
*/
void void
uboot_puts (const char *s) grub_uboot_puts (const char *s)
{ {
uboot_syscall (API_PUTS, NULL, s); grub_uboot_syscall (API_PUTS, NULL, s);
} }
/*
* int API_reset(void)
*/
void void
uboot_reset (void) grub_uboot_reset (void)
{ {
uboot_syscall (API_RESET, NULL, 0); grub_uboot_syscall (API_RESET, NULL, 0);
} }
/*
* int API_get_sys_info(struct sys_info *si)
*
* fill out the sys_info struct containing selected parameters about the
* machine
*/
struct sys_info * struct sys_info *
uboot_get_sys_info (void) grub_uboot_get_sys_info (void)
{ {
int retval; int retval;
@ -152,212 +134,193 @@ uboot_get_sys_info (void)
uboot_sys_info.mr = uboot_mem_info; uboot_sys_info.mr = uboot_mem_info;
uboot_sys_info.mr_no = sizeof (uboot_mem_info) / sizeof (struct mem_region); uboot_sys_info.mr_no = sizeof (uboot_mem_info) / sizeof (struct mem_region);
if (uboot_syscall (API_GET_SYS_INFO, &retval, &uboot_sys_info)) if (grub_uboot_syscall (API_GET_SYS_INFO, &retval, &uboot_sys_info))
if (retval == 0) if (retval == 0)
return &uboot_sys_info; return &uboot_sys_info;
return NULL; return NULL;
} }
/*
* int API_udelay(unsigned long *udelay)
*/
void void
uboot_udelay (grub_uint32_t usec) grub_uboot_udelay (grub_uint32_t usec)
{ {
uboot_syscall (API_UDELAY, NULL, &usec); grub_uboot_syscall (API_UDELAY, NULL, &usec);
} }
/*
* int API_get_timer(unsigned long *current, unsigned long *base)
*/
grub_uint32_t grub_uint32_t
uboot_get_timer (grub_uint32_t base) grub_uboot_get_timer (grub_uint32_t base)
{ {
grub_uint32_t current; grub_uint32_t current;
if (!uboot_syscall (API_GET_TIMER, NULL, &current, &base)) if (!grub_uboot_syscall (API_GET_TIMER, NULL, &current, &base))
return 0; return 0;
return current; return current;
} }
/*
* int API_dev_enum(struct device_info *)
*
*/
int int
uboot_dev_enum (void) grub_uboot_dev_enum (void)
{ {
int max; struct device_info * enum_devices;
int num_enum_devices, max_devices;
grub_memset (&uboot_devices, 0, sizeof (uboot_devices)); if (num_devices)
max = sizeof (uboot_devices) / sizeof (struct device_info); return num_devices;
max_devices = 2;
enum_devices = grub_malloc (sizeof(struct device_info) * max_devices);
if (!enum_devices)
return 0;
/* /*
* The API_DEV_ENUM call starts a fresh enumeration when passed a * The API_DEV_ENUM call starts a fresh enumeration when passed a
* struct device_info with a NULL cookie, and then depends on having * struct device_info with a NULL cookie, and then depends on having
* the prevoiusly enumerated device cookie "seeded" into the target * the previously enumerated device cookie "seeded" into the target
* structure. * structure.
*/ */
if (!uboot_syscall (API_DEV_ENUM, NULL, &uboot_devices)
|| uboot_devices[0].cookie == NULL)
return 0;
for (num_devices = 1; num_devices < max; num_devices++) enum_devices[0].cookie = NULL;
num_enum_devices = 0;
if (grub_uboot_syscall (API_DEV_ENUM, NULL,
&enum_devices[num_enum_devices]) == 0)
goto error;
num_enum_devices++;
while (enum_devices[num_enum_devices - 1].cookie != NULL)
{ {
uboot_devices[num_devices].cookie = if (num_enum_devices == max_devices)
uboot_devices[num_devices - 1].cookie; {
if (!uboot_syscall (API_DEV_ENUM, NULL, &uboot_devices[num_devices])) struct device_info *tmp;
return 0; int new_max;
new_max = max_devices * 2;
/* When no more devices to enumerate, target cookie set to NULL */ tmp = grub_realloc (enum_devices,
if (uboot_devices[num_devices].cookie == NULL) sizeof (struct device_info) * new_max);
if (!tmp)
{
/* Failed to realloc, so return what we have */
break; break;
} }
enum_devices = tmp;
max_devices = new_max;
}
return num_devices; enum_devices[num_enum_devices].cookie =
enum_devices[num_enum_devices - 1].cookie;
if (grub_uboot_syscall (API_DEV_ENUM, NULL,
&enum_devices[num_enum_devices]) == 0)
goto error;
if (enum_devices[num_enum_devices].cookie == NULL)
break;
num_enum_devices++;
}
devices = enum_devices;
return num_devices = num_enum_devices;
error:
grub_free (enum_devices);
return 0;
} }
#define VALID_DEV(x) (((x) < num_devices) && ((x) >= 0)) #define VALID_DEV(x) (((x) < num_devices) && ((x) >= 0))
#define OPEN_DEV(x) (VALID_DEV(x) && (uboot_devices[(x)].state == DEV_STA_OPEN)) #define OPEN_DEV(x) ((x->state == DEV_STA_OPEN))
struct device_info * struct device_info *
uboot_dev_get (int handle) grub_uboot_dev_get (int index)
{ {
if (VALID_DEV (handle)) if (VALID_DEV (index))
return &uboot_devices[handle]; return &devices[index];
return NULL; return NULL;
} }
/*
* int API_dev_open(struct device_info *)
*/
int int
uboot_dev_open (int handle) grub_uboot_dev_open (struct device_info *dev)
{ {
struct device_info *dev;
int retval; int retval;
if (!VALID_DEV (handle)) if (!grub_uboot_syscall (API_DEV_OPEN, &retval, dev))
return -1;
dev = &uboot_devices[handle];
if (!uboot_syscall (API_DEV_OPEN, &retval, dev))
return -1; return -1;
return retval; return retval;
} }
/*
* int API_dev_close(struct device_info *)
*/
int int
uboot_dev_close (int handle) grub_uboot_dev_close (struct device_info *dev)
{ {
struct device_info *dev;
int retval; int retval;
if (!VALID_DEV (handle)) if (!grub_uboot_syscall (API_DEV_CLOSE, &retval, dev))
return -1;
dev = &uboot_devices[handle];
if (!uboot_syscall (API_DEV_CLOSE, &retval, dev))
return -1; return -1;
return retval; return retval;
} }
/*
* int API_dev_read(struct device_info *di, void *buf, size_t *len,
* unsigned long *start, size_t *act_len)
*/
int int
uboot_dev_read (int handle, void *buf, lbasize_t blocks, grub_uboot_dev_read (struct device_info *dev, void *buf, grub_size_t blocks,
lbastart_t start, lbasize_t * real_blocks) grub_uint32_t start, grub_size_t * real_blocks)
{ {
struct device_info *dev;
int retval; int retval;
if (!OPEN_DEV (handle)) if (!OPEN_DEV (dev))
return -1; return -1;
dev = &uboot_devices[handle]; if (!grub_uboot_syscall (API_DEV_READ, &retval, dev, buf,
if (!uboot_syscall (API_DEV_READ, &retval, dev, buf,
&blocks, &start, real_blocks)) &blocks, &start, real_blocks))
return -1; return -1;
return retval; return retval;
} }
/*
* int API_dev_read(struct device_info *di, void *buf,
* size_t *len, size_t *act_len)
*/
int int
uboot_dev_recv (int handle, void *buf, int size, int *real_size) grub_uboot_dev_recv (struct device_info *dev, void *buf,
int size, int *real_size)
{ {
struct device_info *dev;
int retval; int retval;
if (!OPEN_DEV (handle)) if (!OPEN_DEV (dev))
return -1; return -1;
dev = &uboot_devices[handle]; if (!grub_uboot_syscall (API_DEV_READ, &retval, dev, buf, &size, real_size))
if (!uboot_syscall (API_DEV_READ, &retval, dev, buf, &size, real_size))
return -1; return -1;
return retval; return retval;
} }
/*
* Notice: this is for sending network packets only, as U-Boot does not
* support writing to storage at the moment (12.2007)
*
* int API_dev_write(struct device_info *di, void *buf, int *len)
*/
int int
uboot_dev_send (int handle, void *buf, int size) grub_uboot_dev_send (struct device_info *dev, void *buf, int size)
{ {
struct device_info *dev;
int retval; int retval;
if (!OPEN_DEV (handle)) if (!OPEN_DEV (dev))
return -1; return -1;
dev = &uboot_devices[handle]; if (!grub_uboot_syscall (API_DEV_WRITE, &retval, dev, buf, &size))
if (!uboot_syscall (API_DEV_WRITE, &retval, dev, buf, &size))
return -1; return -1;
return retval; return retval;
} }
/*
* int API_env_get(const char *name, char **value)
*/
char * char *
uboot_env_get (const char *name) grub_uboot_env_get (const char *name)
{ {
char *value; char *value;
if (!uboot_syscall (API_ENV_GET, NULL, name, &value)) if (!grub_uboot_syscall (API_ENV_GET, NULL, name, &value))
return NULL; return NULL;
return value; return value;
} }
/*
* int API_env_set(const char *name, const char *value)
*/
void void
uboot_env_set (const char *name, const char *value) grub_uboot_env_set (const char *name, const char *value)
{ {
uboot_syscall (API_ENV_SET, NULL, name, value); grub_uboot_syscall (API_ENV_SET, NULL, name, value);
} }

2
grub-core/lib/uboot/reboot.c
View file

@ -25,6 +25,6 @@ grub_reboot (void)
{ {
grub_machine_fini (); grub_machine_fini ();
uboot_reset (); grub_uboot_reset ();
while (1); while (1);
} }

39
grub-core/net/drivers/uboot/ubootnet.c
View file

@ -19,6 +19,7 @@
#include <grub/net/netbuff.h> #include <grub/net/netbuff.h>
#include <grub/uboot/disk.h> #include <grub/uboot/disk.h>
#include <grub/uboot/uboot.h> #include <grub/uboot/uboot.h>
#include <grub/uboot/api_public.h>
#include <grub/dl.h> #include <grub/dl.h>
#include <grub/net.h> #include <grub/net.h>
#include <grub/time.h> #include <grub/time.h>
@ -26,19 +27,12 @@
GRUB_MOD_LICENSE ("GPLv3+"); GRUB_MOD_LICENSE ("GPLv3+");
struct ubootnet_data
{
void *cookie;
int handle;
};
static grub_err_t static grub_err_t
card_open (struct grub_net_card *dev) card_open (struct grub_net_card *dev)
{ {
int status; int status;
struct ubootnet_data *data = dev->data;
status = uboot_dev_open (data->handle); status = grub_uboot_dev_open (dev->data);
if (status) if (status)
return grub_error (GRUB_ERR_IO, "Couldn't open network card."); return grub_error (GRUB_ERR_IO, "Couldn't open network card.");
@ -48,16 +42,13 @@ card_open (struct grub_net_card *dev)
static void static void
card_close (struct grub_net_card *dev) card_close (struct grub_net_card *dev)
{ {
struct ubootnet_data *data = dev->data; grub_uboot_dev_close (dev->data);
uboot_dev_close (data->handle);
} }
static grub_err_t static grub_err_t
send_card_buffer (struct grub_net_card *dev, struct grub_net_buff *pack) send_card_buffer (struct grub_net_card *dev, struct grub_net_buff *pack)
{ {
int status; int status;
struct ubootnet_data *data = dev->data;
grub_size_t len; grub_size_t len;
len = (pack->tail - pack->data); len = (pack->tail - pack->data);
@ -65,8 +56,7 @@ send_card_buffer (struct grub_net_card *dev, struct grub_net_buff *pack)
len = dev->mtu; len = dev->mtu;
grub_memcpy (dev->txbuf, pack->data, len); grub_memcpy (dev->txbuf, pack->data, len);
status = uboot_dev_send (data->handle, dev->txbuf, status = grub_uboot_dev_send (dev->data, dev->txbuf, len);
len);
if (status) if (status)
return grub_error (GRUB_ERR_IO, N_("couldn't send network packet")); return grub_error (GRUB_ERR_IO, N_("couldn't send network packet"));
@ -77,7 +67,6 @@ static struct grub_net_buff *
get_card_packet (struct grub_net_card *dev) get_card_packet (struct grub_net_card *dev)
{ {
int rc; int rc;
struct ubootnet_data *data = dev->data;
grub_uint64_t start_time; grub_uint64_t start_time;
struct grub_net_buff *nb; struct grub_net_buff *nb;
int actual; int actual;
@ -92,7 +81,7 @@ get_card_packet (struct grub_net_card *dev)
start_time = grub_get_time_ms (); start_time = grub_get_time_ms ();
do do
{ {
rc = uboot_dev_recv (data->handle, nb->data, dev->mtu + 64, &actual); rc = grub_uboot_dev_recv (dev->data, nb->data, dev->mtu + 64, &actual);
grub_dprintf ("net", "rc=%d, actual=%d, time=%lld\n", rc, actual, grub_dprintf ("net", "rc=%d, actual=%d, time=%lld\n", rc, actual,
grub_get_time_ms () - start_time); grub_get_time_ms () - start_time);
} }
@ -120,34 +109,23 @@ GRUB_MOD_INIT (ubootnet)
int devcount, i; int devcount, i;
int nfound = 0; int nfound = 0;
devcount = uboot_dev_enum (); devcount = grub_uboot_dev_enum ();
for (i = 0; i < devcount; i++) for (i = 0; i < devcount; i++)
{ {
struct device_info *devinfo = uboot_dev_get (i); struct device_info *devinfo = grub_uboot_dev_get (i);
struct ubootnet_data *ubdata;
struct grub_net_card *card; struct grub_net_card *card;
if (!(devinfo->type & DEV_TYP_NET)) if (!(devinfo->type & DEV_TYP_NET))
continue; continue;
ubdata = grub_malloc (sizeof (struct ubootnet_data));
if (!ubdata)
{
grub_print_error ();
return;
}
card = grub_zalloc (sizeof (struct grub_net_card)); card = grub_zalloc (sizeof (struct grub_net_card));
if (!card) if (!card)
{ {
grub_free (ubdata);
grub_print_error (); grub_print_error ();
return; return;
} }
ubdata->handle = i;
ubdata->cookie = devinfo->cookie;
/* FIXME: Any way to check this? */ /* FIXME: Any way to check this? */
card->mtu = 1500; card->mtu = 1500;
@ -158,13 +136,12 @@ GRUB_MOD_INIT (ubootnet)
card->txbuf = grub_zalloc (card->txbufsize); card->txbuf = grub_zalloc (card->txbufsize);
if (!card->txbuf) if (!card->txbuf)
{ {
grub_free (ubdata);
grub_free (card); grub_free (card);
grub_print_error (); grub_print_error ();
continue; continue;
} }
card->data = ubdata; card->data = devinfo;
card->flags = 0; card->flags = 0;
card->name = grub_xasprintf ("ubnet_%d", ++nfound); card->name = grub_xasprintf ("ubnet_%d", ++nfound);
card->idle_poll_delay_ms = 10; card->idle_poll_delay_ms = 10;

8
grub-core/term/uboot/console.c
View file

@ -28,14 +28,14 @@
static void static void
put (struct grub_term_output *term __attribute__ ((unused)), const int c) put (struct grub_term_output *term __attribute__ ((unused)), const int c)
{ {
uboot_putc (c); grub_uboot_putc (c);
} }
static int static int
readkey (struct grub_term_input *term __attribute__ ((unused))) readkey (struct grub_term_input *term __attribute__ ((unused)))
{ {
if (uboot_tstc () > 0) if (grub_uboot_tstc () > 0)
return uboot_getc (); return grub_uboot_getc ();
return -1; return -1;
} }
@ -127,7 +127,7 @@ grub_console_init_lately (void)
const char *type; const char *type;
/* See if explicitly set by U-Boot environment */ /* See if explicitly set by U-Boot environment */
type = uboot_env_get ("grub_term"); type = grub_uboot_env_get ("grub_term");
if (!type) if (!type)
type = "vt100"; type = "vt100";

4
include/grub/arm/linux.h
View file

@ -30,8 +30,8 @@
# define LINUX_ADDRESS (start_of_ram + 0x8000) # define LINUX_ADDRESS (start_of_ram + 0x8000)
# define LINUX_INITRD_ADDRESS (start_of_ram + 0x02000000) # define LINUX_INITRD_ADDRESS (start_of_ram + 0x02000000)
# define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000) # define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000)
# define firmware_get_boot_data uboot_get_boot_data # define firmware_get_boot_data grub_uboot_get_boot_data
# define firmware_get_machine_type uboot_get_machine_type # define firmware_get_machine_type grub_uboot_get_machine_type
#elif defined GRUB_MACHINE_EFI #elif defined GRUB_MACHINE_EFI
# include <grub/efi/efi.h> # include <grub/efi/efi.h>
# include <grub/machine/loader.h> # include <grub/machine/loader.h>

5
include/grub/uboot/disk.h
View file

@ -31,14 +31,13 @@ enum disktype
struct ubootdisk_data struct ubootdisk_data
{ {
struct ubootdisk_data *next;
void *cookie; void *cookie;
int handle; struct device_info *dev;
int opencount; int opencount;
enum disktype type; enum disktype type;
grub_uint32_t block_size; grub_uint32_t block_size;
}; };
grub_err_t grub_ubootdisk_register (struct device_info *newdev, int handle); grub_err_t grub_ubootdisk_register (struct device_info *newdev);
#endif /* ! GRUB_UBOOT_DISK_HEADER */ #endif /* ! GRUB_UBOOT_DISK_HEADER */

122
include/grub/uboot/uboot.h
View file

@ -28,16 +28,16 @@ void grub_uboot_mm_init (void);
void grub_uboot_init (void); void grub_uboot_init (void);
void grub_uboot_fini (void); void grub_uboot_fini (void);
void uboot_return (int) __attribute__ ((noreturn)); void grub_uboot_return (int) __attribute__ ((noreturn));
grub_addr_t uboot_get_real_bss_start (void); grub_addr_t grub_uboot_get_real_bss_start (void);
grub_err_t grub_uboot_probe_hardware (void); grub_err_t grub_uboot_probe_hardware (void);
extern grub_addr_t EXPORT_VAR (start_of_ram); extern grub_addr_t EXPORT_VAR (start_of_ram);
grub_uint32_t EXPORT_FUNC (uboot_get_machine_type) (void); grub_uint32_t EXPORT_FUNC (grub_uboot_get_machine_type) (void);
grub_addr_t EXPORT_FUNC (uboot_get_boot_data) (void); grub_addr_t EXPORT_FUNC (grub_uboot_get_boot_data) (void);
/* /*
@ -47,104 +47,40 @@ grub_addr_t EXPORT_FUNC (uboot_get_boot_data) (void);
* We scan through a defined region around the hint address passed to us * We scan through a defined region around the hint address passed to us
* from U-Boot. * from U-Boot.
*/ */
#include <grub/uboot/api_public.h>
#define UBOOT_API_SEARCH_LEN (3 * 1024 * 1024) #define UBOOT_API_SEARCH_LEN (3 * 1024 * 1024)
int uboot_api_init (void); int grub_uboot_api_init (void);
/* All functions below are wrappers around the uboot_syscall() function */
/* /*
* int API_getc(int *c) * All functions below are wrappers around the uboot_syscall() function,
*/ * implemented in grub-core/kern/uboot/uboot.c
int uboot_getc (void); */
/* int grub_uboot_getc (void);
* int API_tstc(int *c) int grub_uboot_tstc (void);
*/ void grub_uboot_putc (int c);
int uboot_tstc (void); void grub_uboot_puts (const char *s);
/* void EXPORT_FUNC (grub_uboot_reset) (void);
* int API_putc(char *ch)
*/
void uboot_putc (int c);
/* struct sys_info *grub_uboot_get_sys_info (void);
* int API_puts(const char *s)
*/
void uboot_puts (const char *s);
/* void grub_uboot_udelay (grub_uint32_t usec);
* int API_reset(void) grub_uint32_t grub_uboot_get_timer (grub_uint32_t base);
*/
void EXPORT_FUNC (uboot_reset) (void);
/* int EXPORT_FUNC (grub_uboot_dev_enum) (void);
* int API_get_sys_info(struct sys_info *si) struct device_info * EXPORT_FUNC (grub_uboot_dev_get) (int index);
* int EXPORT_FUNC (grub_uboot_dev_open) (struct device_info *dev);
* fill out the sys_info struct containing selected parameters about the int EXPORT_FUNC (grub_uboot_dev_close) (struct device_info *dev);
* machine int grub_uboot_dev_write (struct device_info *dev, void *buf, int *len);
*/ int grub_uboot_dev_read (struct device_info *dev, void *buf, grub_size_t blocks,
struct sys_info *uboot_get_sys_info (void); grub_uint32_t start, grub_size_t * real_blocks);
int EXPORT_FUNC (grub_uboot_dev_recv) (struct device_info *dev, void *buf,
int size, int *real_size);
int EXPORT_FUNC (grub_uboot_dev_send) (struct device_info *dev, void *buf,
int size);
/* char *grub_uboot_env_get (const char *name);
* int API_udelay(unsigned long *udelay) void grub_uboot_env_set (const char *name, const char *value);
*/
void uboot_udelay (grub_uint32_t usec);
/*
* int API_get_timer(unsigned long *current, unsigned long *base)
*/
grub_uint32_t uboot_get_timer (grub_uint32_t base);
/*
* int API_dev_enum(struct device_info *)
*/
int EXPORT_FUNC(uboot_dev_enum) (void);
struct device_info *EXPORT_FUNC(uboot_dev_get) (int handle);
/*
* int API_dev_open(struct device_info *)
*/
int EXPORT_FUNC(uboot_dev_open) (int handle);
/*
* int API_dev_close(struct device_info *)
*/
int EXPORT_FUNC(uboot_dev_close) (int handle);
/*
* Notice: this is for sending network packets only, as U-Boot does not
* support writing to storage at the moment (12.2007)
*
* int API_dev_write(struct device_info *di, void *buf, int *len)
*/
int uboot_dev_write (int handle, void *buf, int *len);
/*
* int API_dev_read(
* struct device_info *di,
* void *buf,
* size_t *len,
* unsigned long *start
* size_t *act_len
* )
*/
int uboot_dev_read (int handle, void *buf, lbasize_t blocks,
lbastart_t start, lbasize_t * real_blocks);
int EXPORT_FUNC(uboot_dev_recv) (int handle, void *buf, int size, int *real_size);
int EXPORT_FUNC(uboot_dev_send) (int handle, void *buf, int size);
/*
* int API_env_get(const char *name, char **value)
*/
char *uboot_env_get (const char *name);
/*
* int API_env_set(const char *name, const char *value)
*/
void uboot_env_set (const char *name, const char *value);
#endif /* ! GRUB_UBOOT_UBOOT_HEADER */ #endif /* ! GRUB_UBOOT_UBOOT_HEADER */