#include <mach/boot_info.h>
#include <mach/time_value.h>
#include <pexpert/protos.h>
#include <pexpert/pexpert.h>
#include <pexpert/ppc/interrupts.h>
#include <pexpert/device_tree.h>
#include <pexpert/pe_images.h>
#include <kern/debug.h>
void pe_identify_machine(void);
PE_state_t PE_state;
clock_frequency_info_t gPEClockFrequencyInfo;
static int PE_stub_read_write_time_of_day(unsigned int options, long * secs)
{
if( options == kPEReadTOD)
*secs = 0xb2383c72;
return 0;
}
static int PE_stub_poll_input(unsigned int options, char * c)
{
*c = 0xff;
return 1;
}
static int PE_stub_write_IIC(unsigned char addr, unsigned char reg,
unsigned char data)
{
return 1;
}
int (*PE_read_write_time_of_day)(unsigned int options, long * secs)
= PE_stub_read_write_time_of_day;
int (*PE_poll_input)(unsigned int options, char * c)
= PE_stub_poll_input;
int (*PE_write_IIC)(unsigned char addr, unsigned char reg,
unsigned char data)
= PE_stub_write_IIC;
int PE_initialize_console( PE_Video * info, int op )
{
static int last_console = -1;
Boot_Video bootInfo;
Boot_Video * bInfo;
if( info) {
bootInfo.v_baseAddr = info->v_baseAddr;
bootInfo.v_rowBytes = info->v_rowBytes;
bootInfo.v_width = info->v_width;
bootInfo.v_height = info->v_height;
bootInfo.v_depth = info->v_depth;
bootInfo.v_display = 0;
bInfo = &bootInfo;
} else
bInfo = 0;
switch( op ) {
case kPEDisableScreen:
initialize_screen((void *) bInfo, op);
last_console = switch_to_serial_console();
kprintf("kPEDisableScreen %d\n",last_console);
break;
case kPEEnableScreen:
initialize_screen((void *) bInfo, op);
kprintf("kPEEnableScreen %d\n",last_console);
if( last_console != -1)
switch_to_old_console( last_console);
break;
default:
initialize_screen((void *) bInfo, op);
break;
}
return 0;
}
static boolean_t find_image( const char * name,
void ** desc,
unsigned char ** data,
unsigned char ** clut )
{
boolean_t ok;
#if 0
DTEntry entry;
int size;
if( (kSuccess == DTLookupEntry(0, "/AAPL,images", &entry))
&& (kSuccess == DTLookupEntry(entry, name, &entry)) ) {
ok = ( (kSuccess == DTGetProperty(entry, "desc",
desc, &size))
&& (kSuccess == DTGetProperty(entry, "data",
(void **)data, &size)));
if( clut && (kSuccess != DTGetProperty(entry, "clut",
(void **)clut, &size)))
*clut = appleClut8;
} else
#endif
ok = FALSE;
return( ok );
}
void PE_init_iokit(void)
{
kern_return_t ret;
void * desc;
unsigned char * data;
unsigned char * clut;
PE_init_kprintf(TRUE);
PE_init_printf(TRUE);
PE_init_ethernet_debugger();
if( !find_image( "progress", &desc, &data, &clut)) {
clut = appleClut8;
desc = &default_progress;
data = default_progress_data;
}
vc_progress_initialize( desc, data, clut );
PE_initialize_console( (PE_Video *) 0, kPEAcquireScreen );
ret = StartIOKit( PE_state.deviceTreeHead, PE_state.bootArgs,
(void *)0, (void *)0);
}
void PE_init_platform(boolean_t vm_initialized, void *_args)
{
boot_args *args = (boot_args *)_args;
if (PE_state.initialized == FALSE)
{
PE_state.initialized = TRUE;
PE_state.bootArgs = _args;
PE_state.deviceTreeHead = args->deviceTreeP;
PE_state.video.v_baseAddr = args->Video.v_baseAddr;
PE_state.video.v_rowBytes = args->Video.v_rowBytes;
PE_state.video.v_width = args->Video.v_width;
PE_state.video.v_height = args->Video.v_height;
PE_state.video.v_depth = args->Video.v_depth;
PE_state.video.v_display = args->Video.v_display;
strcpy( PE_state.video.v_pixelFormat, "PPPPPPPP");
}
if (!vm_initialized)
{
DTInit(PE_state.deviceTreeHead);
pe_identify_machine();
}
else
{
pe_init_debug();
}
}
void PE_create_console( void )
{
if (PE_state.video.v_display)
PE_initialize_console( &PE_state.video, kPEGraphicsMode );
else
PE_initialize_console( &PE_state.video, kPETextMode );
}
int PE_current_console( PE_Video * info )
{
*info = PE_state.video;
return( 0);
}
void PE_display_icon( unsigned int flags,
const char * name )
{
void * desc;
unsigned char * data;
if( !find_image( name, &desc, &data, 0)) {
desc = &default_roroot;
data = default_noroot_data;
}
vc_display_icon( desc, data );
}
extern boolean_t PE_get_hotkey(
unsigned char key)
{
unsigned char * adbKeymap;
int size;
DTEntry entry;
if( (kSuccess != DTLookupEntry( 0, "/", &entry))
|| (kSuccess != DTGetProperty( entry, "AAPL,adb-keymap",
(void **)&adbKeymap, &size))
|| (size != 16))
return( FALSE);
if( key > 127)
return( FALSE);
return( adbKeymap[ key / 8 ] & (0x80 >> (key & 7)));
}
static timebase_callback_func gTimebaseCallback;
void PE_register_timebase_callback(timebase_callback_func callback)
{
gTimebaseCallback = callback;
PE_call_timebase_callback();
}
void PE_call_timebase_callback(void)
{
struct timebase_freq_t timebase_freq;
unsigned long num, den, cnt;
num = gPEClockFrequencyInfo.bus_clock_rate_num * gPEClockFrequencyInfo.bus_to_dec_rate_num;
den = gPEClockFrequencyInfo.bus_clock_rate_den * gPEClockFrequencyInfo.bus_to_dec_rate_den;
cnt = 2;
while (cnt <= den) {
if ((num % cnt) || (den % cnt)) {
cnt++;
continue;
}
num /= cnt;
den /= cnt;
}
timebase_freq.timebase_num = num;
timebase_freq.timebase_den = den;
if (gTimebaseCallback) gTimebaseCallback(&timebase_freq);
}