#include <sys/types.h>
#include <mach/vm_param.h>
#include <pexpert/protos.h>
#include <pexpert/pexpert.h>
#include <pexpert/boot.h>
#include <pexpert/device_tree.h>
#include <pexpert/pe_images.h>
#include <kern/sched_prim.h>
#include <kern/debug.h>
#include "fakePPCStructs.h"
#include "fakePPCDeviceTree.h"
#include "boot_images.h"
extern void pe_identify_machine(void * args);
extern void initialize_screen(void *, unsigned int);
PE_state_t PE_state;
dt_data gMemoryMapNode;
dt_data gDriversProp;
dt_data gRootpathProp;
dt_data gCompatibleProp;
clock_frequency_info_t gPEClockFrequencyInfo;
void *gPEEFISystemTable = 0;
void *gPEEFIRuntimeServices = 0;
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;
bInfo = &bootInfo;
if (info == &PE_state.video) {
bootInfo.v_display = info->v_display;
} else {
bootInfo.v_display = GRAPHICS_MODE;
}
}
else
bInfo = 0;
switch ( op ) {
case kPEDisableScreen:
initialize_screen((void *) bInfo, op);
kprintf("kPEDisableScreen %d\n", last_console);
if (!console_is_serial())
last_console = switch_to_serial_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;
}
void PE_init_iokit(void)
{
enum { kMaxBootVar = 128 };
typedef struct {
char name[32];
unsigned long length;
unsigned long value[2];
} DriversPackageProp;
boolean_t bootClutInitialized = FALSE;
boolean_t norootInitialized = FALSE;
DTEntry entry;
int size;
void ** map;
PE_init_kprintf(TRUE);
PE_init_printf(TRUE);
kprintf("Kernel boot args: '%s'\n", PE_boot_args());
boot_progress_element * bootPict;
if( kSuccess == DTLookupEntry(0, "/chosen/memory-map", &entry)) {
if( kSuccess == DTGetProperty(entry, "BootCLUT", (void **) &map, &size)) {
bcopy( map[0], appleClut8, sizeof(appleClut8) );
bootClutInitialized = TRUE;
}
if( kSuccess == DTGetProperty(entry, "Pict-FailedBoot", (void **) &map, &size)) {
bootPict = (boot_progress_element *) map[0];
default_noroot.width = bootPict->width;
default_noroot.height = bootPict->height;
default_noroot.dx = 0;
default_noroot.dy = bootPict->yOffset;
default_noroot_data = &bootPict->data[0];
norootInitialized = TRUE;
}
}
if (!bootClutInitialized) {
bcopy( (void *) (uintptr_t) bootClut, (void *) appleClut8, sizeof(appleClut8) );
}
if (!norootInitialized) {
default_noroot.width = kFailedBootWidth;
default_noroot.height = kFailedBootHeight;
default_noroot.dx = 0;
default_noroot.dy = kFailedBootOffset;
default_noroot_data = failedBootPict;
}
panic_ui_initialize( (unsigned char *) appleClut8 );
vc_progress_initialize( &default_progress, default_progress_data,
(unsigned char *) appleClut8 );
(void) StartIOKit( PE_state.deviceTreeHead, PE_state.bootArgs, gPEEFIRuntimeServices, 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) {
outb(0x21, 0xff);
outb(0xa1, 0xff);
if (PE_state.deviceTreeHead) {
DTInit(PE_state.deviceTreeHead);
}
pe_identify_machine(args);
} else {
DTEntry entry;
void *ptr;
uint32_t size;
pe_init_debug();
}
}
void PE_create_console( void )
{
if ( PE_state.video.v_display == GRAPHICS_MODE )
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( __unused unsigned int flags, __unused const char * name )
{
if ( default_noroot_data )
vc_display_icon( &default_noroot, default_noroot_data );
}
extern boolean_t PE_get_hotkey( __unused unsigned char key )
{
return (FALSE);
}
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);
}
static int
PE_stub_poll_input(__unused unsigned int options, char * c)
{
*c = 0xff;
return 1;
}
int (*PE_poll_input)(unsigned int options, char * c)
= PE_stub_poll_input;