| 88 |
|
#include "macos_util.h" |
| 89 |
|
#include "rom_patches.h" |
| 90 |
|
#include "user_strings.h" |
| 91 |
+ |
#include "thunks.h" |
| 92 |
|
|
| 93 |
|
#include "sheep_driver.h" |
| 94 |
|
|
| 117 |
|
const char RAM_AREA_NAME[] = "Macintosh RAM"; |
| 118 |
|
const char ROM_AREA_NAME[] = "Macintosh ROM"; |
| 119 |
|
const char DR_CACHE_AREA_NAME[] = "Macintosh DR Cache"; |
| 120 |
+ |
const char SHEEP_AREA_NAME[] = "SheepShaver Virtual Stack"; |
| 121 |
|
|
| 122 |
|
const uint32 SIG_STACK_SIZE = 8192; // Size of signal stack |
| 123 |
|
|
| 220 |
|
|
| 221 |
|
static void *sig_stack = NULL; // Stack for signal handlers |
| 222 |
|
static void *extra_stack = NULL; // Stack for SIGSEGV inside interrupt handler |
| 223 |
+ |
static uintptr SheepMem::base; // Address of SheepShaver data |
| 224 |
+ |
static uintptr SheepMem::top; // Top of SheepShaver data (stack like storage) |
| 225 |
+ |
static area_id SheepMemArea; // SheepShaver data area ID |
| 226 |
|
|
| 227 |
|
|
| 228 |
|
// Prototypes |
| 399 |
|
} |
| 400 |
|
D(bug("Kernel Data 2 area %ld at %p\n", kernel_area2, kernel_data2)); |
| 401 |
|
|
| 402 |
+ |
// Create area for SheepShaver data |
| 403 |
+ |
if (!SheepMem::Init()) { |
| 404 |
+ |
sprintf(str, GetString(STR_NO_SHEEP_MEM_AREA_ERR)); |
| 405 |
+ |
ErrorAlert(str); |
| 406 |
+ |
PostMessage(B_QUIT_REQUESTED); |
| 407 |
+ |
return; |
| 408 |
+ |
} |
| 409 |
+ |
|
| 410 |
|
// Create area for Mac RAM |
| 411 |
|
RAMSize = PrefsFindInt32("ramsize") & 0xfff00000; // Round down to 1MB boundary |
| 412 |
|
if (RAMSize < 8*1024*1024) { |
| 476 |
|
boot_globs[1] = htonl(RAMSize); |
| 477 |
|
boot_globs[2] = htonl((uint32)-1); // End of bank table |
| 478 |
|
|
| 479 |
+ |
// Init thunks |
| 480 |
+ |
if (!InitThunks()) { |
| 481 |
+ |
PostMessage(B_QUIT_REQUESTED); |
| 482 |
+ |
return; |
| 483 |
+ |
} |
| 484 |
+ |
|
| 485 |
|
// Init drivers |
| 486 |
|
SonyInit(); |
| 487 |
|
DiskInit(); |
| 674 |
|
DiskExit(); |
| 675 |
|
SonyExit(); |
| 676 |
|
|
| 677 |
+ |
// Delete SheepShaver globals |
| 678 |
+ |
SheepMem::Exit(); |
| 679 |
+ |
|
| 680 |
|
// Delete DR Cache area |
| 681 |
|
if (dr_cache_area >= 0) |
| 682 |
|
delete_area(dr_cache_area); |
| 1270 |
|
|
| 1271 |
|
void ExecutePPC(void (*func)()) |
| 1272 |
|
{ |
| 1273 |
< |
RoutineDescriptor desc = BUILD_PPC_ROUTINE_DESCRIPTOR(0, func); |
| 1273 |
> |
SheepRoutineDescriptor desc(0, (uint32)func); |
| 1274 |
|
M68kRegisters r; |
| 1275 |
|
Execute68k((uint32)&desc, &r); |
| 1276 |
|
} |
| 2074 |
|
} |
| 2075 |
|
|
| 2076 |
|
|
| 2077 |
+ |
/* |
| 2078 |
+ |
* Helpers to share 32-bit addressable data with MacOS |
| 2079 |
+ |
*/ |
| 2080 |
+ |
|
| 2081 |
+ |
bool SheepMem::Init(void) |
| 2082 |
+ |
{ |
| 2083 |
+ |
// Delete old area |
| 2084 |
+ |
area_id old_sheep_area = find_area(SHEEP_AREA_NAME); |
| 2085 |
+ |
if (old_sheep_area > 0) |
| 2086 |
+ |
delete_area(old_sheep_area); |
| 2087 |
+ |
|
| 2088 |
+ |
// Create area for SheepShaver data |
| 2089 |
+ |
base = 0x60000000; |
| 2090 |
+ |
SheepMemArea = create_area(SHEEP_AREA_NAME, (void **)&base, B_BASE_ADDRESS, size, B_NO_LOCK, B_READ_AREA | B_WRITE_AREA); |
| 2091 |
+ |
if (SheepMemArea < 0) |
| 2092 |
+ |
return false; |
| 2093 |
+ |
|
| 2094 |
+ |
D(bug("SheepShaver area %ld at %p\n", SheepMemArea, base)); |
| 2095 |
+ |
top = base + size; |
| 2096 |
+ |
return true; |
| 2097 |
+ |
} |
| 2098 |
+ |
|
| 2099 |
+ |
void SheepMem::Exit(void) |
| 2100 |
+ |
{ |
| 2101 |
+ |
if (SheepMemArea >= 0) |
| 2102 |
+ |
delete_area(SheepMemArea); |
| 2103 |
+ |
} |
| 2104 |
+ |
|
| 2105 |
+ |
|
| 2106 |
|
/* |
| 2107 |
|
* Display error alert |
| 2108 |
|
*/ |
