bootflags.c
/** \file
* Autoboot flag control
*/
#include "dryos.h"
#include "bmp.h"
#include "menu.h"
#include "config.h"
#include "property.h"
/* CF device structure */
struct cf_device
{
// If block has the top bit set the physical blocks will be read
// instead of from the first partition. Cool.
int (*read_block)(
struct cf_device * dev,
uintptr_t block,
size_t num_blocks,
void * buf
);
int (*write_block)(
struct cf_device * dev,
uintptr_t block,
size_t num_blocks,
const void * buf
);
void * io_control;
void * soft_reset;
};
extern struct cf_device * const cf_device;
/** Shadow copy of the NVRAM boot flags stored at 0xF8000000 */
#define NVRAM_BOOTFLAGS ((void*) 0xF8000000)
struct boot_flags
{
uint32_t firmware; // 0x00
uint32_t bootdisk; // 0x04
uint32_t ram_exe; // 0x08
uint32_t update; // 0x0c
uint32_t flag_0x10;
uint32_t flag_0x14;
uint32_t flag_0x18;
uint32_t flag_0x1c;
};
static struct boot_flags * const boot_flags = NVRAM_BOOTFLAGS;;
/** Write the auto-boot flags to the CF card and to the flash memory */
static void
bootflag_toggle( void * priv )
{
if( boot_flags->bootdisk )
call( "DisableBootDisk" );
else
call( "EnableBootDisk" );
}
void
bootflag_display(
void * priv,
int x,
int y,
int selected
)
{
bmp_printf(
selected ? MENU_FONT_SEL : MENU_FONT,
x, y,
//23456789012
"Autoboot %s",
boot_flags->bootdisk != 0 ? "ON " : "OFF"
);
}
// gcc mempcy has odd alignment issues?
static inline void
my_memcpy(
uint8_t * dest,
const uint8_t * src,
size_t len
)
{
while( len-- > 0 )
*dest++ = *src++;
}
void
bootflag_write_bootblock( void * unused )
{
gui_stop_menu();
uint8_t *block = alloc_dma_memory( 0x200 );
bmp_printf( FONT_MED, 0, 40,
"mem=%08x read=%08x",
(unsigned) block,
(unsigned) cf_device->read_block
);
int rc = cf_device->read_block( cf_device, 0x0, 1, block );
msleep( 100 );
bmp_printf( FONT_MED, 600, 40, "read=%d", rc );
bmp_hexdump( FONT_SMALL, 0, 60, block, 0x100 );
// Update the first partition header to include the magic
// strings
my_memcpy( block + 0x47, (uint8_t*) "EOS_DEVELOP", 0xB );
my_memcpy( block + 0x5C, (uint8_t*) "BOOTDISK", 0x8 );
rc = cf_device->write_block( cf_device, 0x0, 1, block );
bmp_printf( FONT_MED, 600, 60, "write=%d", rc );
free_dma_memory( block );
}
#if 0
void
bootflag_display_all(
void * priv,
int x,
int y,
int selected
)
{
bmp_printf( selected ? MENU_FONT_SEL : MENU_FONT,
x,
y,
//23456789012
"Firmware %s\n"
"Bootdisk %s\n"
"RAM_EXE %s\n"
"Update %s\n",
boot_flags->firmware == 0 ? "ON" : "OFF",
boot_flags->bootdisk == 0 ? "ON" : "OFF",
boot_flags->ram_exe == 0 ? "ON" : "OFF",
boot_flags->update == 0 ? "ON" : "OFF"
);
}
#endif
CONFIG_INT( "disable-powersave", disable_powersave, 1 );
static void
powersave_display(
void * priv,
int x,
int y,
int selected
)
{
bmp_printf(
selected ? MENU_FONT_SEL : MENU_FONT,
x,
y,
//23456789012
"Powersave %s\n",
!disable_powersave ? "ON " : "OFF"
);
}
static void
powersave_toggle( void * unused )
{
disable_powersave = !disable_powersave;
prop_request_icu_auto_poweroff(
disable_powersave ? EM_PROHIBIT : EM_ALLOW
);
}
static void
poweroff( void * unused )
{
uint32_t buf[] = { 0 };
bmp_printf( FONT_SMALL, 0, 300, "SHUTDOWN");
prop_request_change(
PROP_TERMINATE_SHUT_REQ,
buf,
sizeof(buf)
);
}
struct menu_entry boot_menus[] = {
{
.display = menu_print,
.priv = "Write MBR",
.select = bootflag_write_bootblock,
},
{
.display = bootflag_display,
.select = bootflag_toggle,
},
{
.display = powersave_display,
.select = powersave_toggle,
},
{
.display = menu_print,
.priv = "Power off now",
.select = poweroff,
},
#if 0
{
.display = bootflag_display_all,
},
#endif
};
static void
bootflags_init( void * unused )
{
menu_add( "Boot", boot_menus, COUNT(boot_menus) );
if( disable_powersave )
{
DebugMsg( DM_MAGIC, 3,
"%s: Disabling powersave",
__func__
);
prop_request_icu_auto_poweroff( EM_PROHIBIT );
}
}
INIT_FUNC( __FILE__, bootflags_init );